1 | // Copyright (c) Microsoft. All rights reserved.
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2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information.
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3 |
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4 | #include <stdlib.h>
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5 | #include "azure_c_shared_utility/gballoc.h"
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6 |
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7 | #include <time.h>
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8 | #include "iothub_client_options.h"
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9 | #include "iothub_client_version.h"
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10 | #include "iothub_transport_ll.h"
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11 | #include "iothubtransporthttp.h"
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12 | #include "internal/iothub_client_private.h"
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13 | #include "internal/iothubtransport.h"
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14 | #include "internal/iothub_transport_ll_private.h"
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15 |
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16 | #include "azure_c_shared_utility/optimize_size.h"
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17 | #include "azure_c_shared_utility/httpapiexsas.h"
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18 | #include "azure_c_shared_utility/urlencode.h"
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19 | #include "azure_c_shared_utility/xlogging.h"
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20 | #include "azure_c_shared_utility/httpapiex.h"
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21 | #include "azure_c_shared_utility/httpapiexsas.h"
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22 | #include "azure_c_shared_utility/strings.h"
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23 | #include "azure_c_shared_utility/azure_base64.h"
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24 | #include "azure_c_shared_utility/doublylinkedlist.h"
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25 | #include "azure_c_shared_utility/vector.h"
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26 | #include "azure_c_shared_utility/httpheaders.h"
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27 | #include "azure_c_shared_utility/agenttime.h"
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28 |
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29 | #define IOTHUB_APP_PREFIX "iothub-app-"
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30 | static const char* IOTHUB_MESSAGE_ID = "iothub-messageid";
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31 | static const char* IOTHUB_CORRELATION_ID = "iothub-correlationid";
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32 | static const char* IOTHUB_CONTENT_TYPE_D2C = "iothub-contenttype";
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33 | static const char* IOTHUB_CONTENT_ENCODING_D2C = "iothub-contentencoding";
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34 | static const char* IOTHUB_CONTENT_TYPE_C2D = "ContentType";
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35 | static const char* IOTHUB_CONTENT_ENCODING_C2D = "ContentEncoding";
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36 |
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37 | static const char* IOTHUB_AUTH_HEADER_VALUE = "Authorization";
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38 |
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39 | #define CONTENT_TYPE "Content-Type"
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40 | #define APPLICATION_OCTET_STREAM "application/octet-stream"
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41 | #define APPLICATION_VND_MICROSOFT_IOTHUB_JSON "application/vnd.microsoft.iothub.json"
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42 | #define API_VERSION "?api-version=2016-11-14"
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43 | #define EVENT_ENDPOINT "/messages/events"
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44 | #define MESSAGE_ENDPOINT_HTTP "/messages/devicebound"
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45 | #define MESSAGE_ENDPOINT_HTTP_ETAG "/messages/devicebound/"
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46 |
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47 | /*DEFAULT_GETMINIMUMPOLLINGTIME is the minimum time in seconds allowed between 2 consecutive GET issues to the service (GET=fetch messages)*/
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48 | /*the default is 25 minutes*/
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49 | #define DEFAULT_GETMINIMUMPOLLINGTIME ((unsigned int)25*60)
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50 |
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51 | #define MAXIMUM_MESSAGE_SIZE (255*1024-1)
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52 | #define MAXIMUM_PAYLOAD_OVERHEAD 384
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53 | #define MAXIMUM_PROPERTY_OVERHEAD 16
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54 |
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55 | /*forward declaration*/
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56 | static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count);
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57 |
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58 | typedef struct HTTPTRANSPORT_HANDLE_DATA_TAG
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59 | {
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60 | STRING_HANDLE hostName;
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61 | HTTPAPIEX_HANDLE httpApiExHandle;
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62 | bool doBatchedTransfers;
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63 | unsigned int getMinimumPollingTime;
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64 | VECTOR_HANDLE perDeviceList;
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65 |
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66 | TRANSPORT_CALLBACKS_INFO transport_callbacks;
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67 | void* transport_ctx;
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68 |
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69 | }HTTPTRANSPORT_HANDLE_DATA;
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70 |
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71 | typedef struct HTTPTRANSPORT_PERDEVICE_DATA_TAG
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72 | {
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73 | HTTPTRANSPORT_HANDLE_DATA* transportHandle;
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74 |
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75 | STRING_HANDLE deviceId;
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76 | STRING_HANDLE deviceKey;
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77 | STRING_HANDLE deviceSasToken;
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78 | STRING_HANDLE eventHTTPrelativePath;
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79 | STRING_HANDLE messageHTTPrelativePath;
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80 | HTTP_HEADERS_HANDLE eventHTTPrequestHeaders;
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81 | HTTP_HEADERS_HANDLE messageHTTPrequestHeaders;
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82 | STRING_HANDLE abandonHTTPrelativePathBegin;
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83 | HTTPAPIEX_SAS_HANDLE sasObject;
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84 | bool DoWork_PullMessage;
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85 | time_t lastPollTime;
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86 | bool isFirstPoll;
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87 |
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88 | void* device_transport_ctx;
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89 | PDLIST_ENTRY waitingToSend;
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90 | DLIST_ENTRY eventConfirmations; /*holds items for event confirmations*/
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91 | } HTTPTRANSPORT_PERDEVICE_DATA;
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92 |
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93 | typedef struct MESSAGE_DISPOSITION_CONTEXT_TAG
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94 | {
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95 | HTTPTRANSPORT_HANDLE_DATA* handleData;
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96 | HTTPTRANSPORT_PERDEVICE_DATA* deviceData;
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97 | char* etagValue;
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98 | } MESSAGE_DISPOSITION_CONTEXT;
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99 |
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100 | MU_DEFINE_ENUM_STRINGS(IOTHUBMESSAGE_DISPOSITION_RESULT, IOTHUBMESSAGE_DISPOSITION_RESULT_VALUES);
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101 |
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102 | static void destroy_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
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103 | {
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104 | STRING_delete(handleData->eventHTTPrelativePath);
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105 | handleData->eventHTTPrelativePath = NULL;
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106 | }
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107 |
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108 | static bool create_eventHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
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109 | {
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110 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_017: [ IoTHubTransportHttp_Register shall create an immutable string (further called "event HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(deviceId) + "/messages/events" + APIVERSION. ]*/
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111 | bool result;
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112 | STRING_HANDLE urlEncodedDeviceId;
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113 | handleData->eventHTTPrelativePath = STRING_construct("/devices/");
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114 | if (handleData->eventHTTPrelativePath == NULL)
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115 | {
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116 | LogError("STRING_construct failed.");
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117 | result = false;
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118 | }
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119 | else
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120 | {
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121 | if (!(
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122 | ((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
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123 | (STRING_concat_with_STRING(handleData->eventHTTPrelativePath, urlEncodedDeviceId) == 0) &&
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124 | (STRING_concat(handleData->eventHTTPrelativePath, EVENT_ENDPOINT API_VERSION) == 0)
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125 | ))
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126 | {
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127 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_018: [ If creating the string fail for any reason then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
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128 | destroy_eventHTTPrelativePath(handleData);
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129 | LogError("Creating HTTP event relative path failed.");
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130 | result = false;
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131 | }
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132 | else
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133 | {
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134 | result = true;
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135 | }
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136 | STRING_delete(urlEncodedDeviceId);
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137 | }
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138 | return result;
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139 | }
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140 |
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141 | static int retrieve_message_properties(HTTP_HEADERS_HANDLE resp_header, IOTHUB_MESSAGE_HANDLE recv_msg)
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142 | {
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143 | int result = 0;
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144 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_090: [All the HTTP headers of the form iothub-app-name:somecontent shall be transformed in message properties {name, somecontent}.]*/
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145 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_091: [The HTTP header of iothub-messageid shall be set in the MessageId.]*/
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146 | size_t nHeaders;
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147 | if (HTTPHeaders_GetHeaderCount(resp_header, &nHeaders) != HTTP_HEADERS_OK)
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148 | {
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149 | LogError("unable to get the count of HTTP headers");
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150 | result = MU_FAILURE;
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151 | }
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152 | else
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153 | {
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154 | MAP_HANDLE properties = (nHeaders > 0) ? IoTHubMessage_Properties(recv_msg) : NULL;
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155 | for (size_t index = 0; index < nHeaders; index++)
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156 | {
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157 | char* completeHeader;
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158 | if (HTTPHeaders_GetHeader(resp_header, index, &completeHeader) != HTTP_HEADERS_OK)
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159 | {
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160 | LogError("Failed getting header %lu", (unsigned long)index);
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161 | result = MU_FAILURE;
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162 | break;
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163 | }
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164 | else
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165 | {
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166 | char* colon_pos;
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167 | if (strncmp(IOTHUB_APP_PREFIX, completeHeader, strlen(IOTHUB_APP_PREFIX)) == 0)
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168 | {
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169 | /*looks like a property headers*/
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170 | /*there's a guaranteed ':' in the completeHeader, by HTTP_HEADERS module*/
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171 | colon_pos = strchr(completeHeader, ':');
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172 | if (colon_pos != NULL)
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173 | {
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174 | *colon_pos = '\0'; /*cut it down*/
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175 | if (Map_AddOrUpdate(properties, completeHeader + strlen(IOTHUB_APP_PREFIX), colon_pos + 2) != MAP_OK) /*whereIsColon+1 is a space because HTTPEHADERS outputs a ": " between name and value*/
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176 | {
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177 | free(completeHeader);
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178 | result = MU_FAILURE;
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179 | break;
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180 | }
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181 | }
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182 | }
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183 | else if (strncmp(IOTHUB_MESSAGE_ID, completeHeader, strlen(IOTHUB_MESSAGE_ID)) == 0)
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184 | {
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185 | char* whereIsColon = strchr(completeHeader, ':');
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186 | if (whereIsColon != NULL)
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187 | {
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188 | *whereIsColon = '\0'; /*cut it down*/
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189 | if (IoTHubMessage_SetMessageId(recv_msg, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
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190 | {
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191 | free(completeHeader);
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192 | result = MU_FAILURE;
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193 | break;
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194 | }
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195 | }
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196 | }
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197 | else if (strncmp(IOTHUB_CORRELATION_ID, completeHeader, strlen(IOTHUB_CORRELATION_ID)) == 0)
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198 | {
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199 | char* whereIsColon = strchr(completeHeader, ':');
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200 | if (whereIsColon != NULL)
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201 | {
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202 | *whereIsColon = '\0'; /*cut it down*/
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203 | if (IoTHubMessage_SetCorrelationId(recv_msg, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
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204 | {
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205 | free(completeHeader);
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206 | result = MU_FAILURE;
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207 | break;
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208 | }
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209 | }
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210 | }
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211 | // Codes_SRS_TRANSPORTMULTITHTTP_09_003: [ The HTTP header value of `ContentType` shall be set in the `IoTHubMessage_SetContentTypeSystemProperty`. ]
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212 | else if (strncmp(IOTHUB_CONTENT_TYPE_C2D, completeHeader, strlen(IOTHUB_CONTENT_TYPE_C2D)) == 0)
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213 | {
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214 | char* whereIsColon = strchr(completeHeader, ':');
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215 | if (whereIsColon != NULL)
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216 | {
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217 | *whereIsColon = '\0'; /*cut it down*/
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218 | if (IoTHubMessage_SetContentTypeSystemProperty(recv_msg, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
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219 | {
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220 | LogError("Failed setting IoTHubMessage content-type");
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221 | result = MU_FAILURE;
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222 | break;
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223 | }
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224 | }
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225 | }
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226 | // Codes_SRS_TRANSPORTMULTITHTTP_09_004: [ The HTTP header value of `ContentEncoding` shall be set in the `IoTHub_SetContentEncoding`. ]
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227 | else if (strncmp(IOTHUB_CONTENT_ENCODING_C2D, completeHeader, strlen(IOTHUB_CONTENT_ENCODING_C2D)) == 0)
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228 | {
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229 | char* whereIsColon = strchr(completeHeader, ':');
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230 | if (whereIsColon != NULL)
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231 | {
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232 | *whereIsColon = '\0'; /*cut it down*/
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233 | if (IoTHubMessage_SetContentEncodingSystemProperty(recv_msg, whereIsColon + 2) != IOTHUB_MESSAGE_OK)
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234 | {
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235 | LogError("Failed setting IoTHubMessage content-encoding");
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236 | break;
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237 | }
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238 | }
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239 | }
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240 | free(completeHeader);
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241 | }
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242 | }
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243 | }
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244 | return result;
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245 | }
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246 |
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247 | static int set_system_properties(IOTHUB_MESSAGE_LIST* message, HTTP_HEADERS_HANDLE headers)
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248 | {
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249 | int result;
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250 | const char* msgId;
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251 | const char* corrId;
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252 | const char* content_type;
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253 | const char* contentEncoding;
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254 |
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255 | // Add the Message Id and the Correlation Id
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256 | msgId = IoTHubMessage_GetMessageId(message->messageHandle);
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257 | if (msgId != NULL && HTTPHeaders_ReplaceHeaderNameValuePair(headers, IOTHUB_MESSAGE_ID, msgId) != HTTP_HEADERS_OK)
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258 | {
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259 | LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
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260 | result = __LINE__;
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261 | }
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262 | else if ((corrId = IoTHubMessage_GetCorrelationId(message->messageHandle)) != NULL && HTTPHeaders_ReplaceHeaderNameValuePair(headers, IOTHUB_CORRELATION_ID, corrId) != HTTP_HEADERS_OK)
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263 | {
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264 | LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
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265 | result = __LINE__;
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266 | }
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267 | // Codes_SRS_TRANSPORTMULTITHTTP_09_001: [ If the IoTHubMessage being sent contains property `content-type` it shall be added to the HTTP headers as "iothub-contenttype":"value". ]
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268 | else if ((content_type = IoTHubMessage_GetContentTypeSystemProperty(message->messageHandle)) != NULL && HTTPHeaders_ReplaceHeaderNameValuePair(headers, IOTHUB_CONTENT_TYPE_D2C, content_type) != HTTP_HEADERS_OK)
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269 | {
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270 | LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair (content-type)");
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271 | result = __LINE__;
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272 | }
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273 | // Codes_SRS_TRANSPORTMULTITHTTP_09_002: [ If the IoTHubMessage being sent contains property `content-encoding` it shall be added to the HTTP headers as "iothub-contentencoding":"value". ]
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274 | else if ((contentEncoding = IoTHubMessage_GetContentEncodingSystemProperty(message->messageHandle)) != NULL && HTTPHeaders_ReplaceHeaderNameValuePair(headers, IOTHUB_CONTENT_ENCODING_D2C, contentEncoding) != HTTP_HEADERS_OK)
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275 | {
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276 | LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair (content-encoding)");
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277 | result = __LINE__;
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278 | }
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279 | else
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280 | {
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281 | result = 0;
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282 | }
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283 | return result;
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284 | }
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285 |
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286 | static bool set_message_properties(IOTHUB_MESSAGE_LIST* message, size_t* msg_size, HTTP_HEADERS_HANDLE headers, HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData)
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287 | {
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288 | bool result = true;
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289 |
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290 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_078: [Every message property "property":"value" shall be added to the HTTP headers as an individual header "iothub-app-property":"value".] */
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291 | MAP_HANDLE map = IoTHubMessage_Properties(message->messageHandle);
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292 | const char*const* keys;
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293 | const char*const* values;
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294 | size_t count;
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295 | if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
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296 | {
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297 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
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298 | LogError("unable to Map_GetInternals");
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299 | result = false;
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300 | }
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301 | else
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302 | {
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303 | for (size_t index = 0; index < count; index++)
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304 | {
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305 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_074: [Every property name shall add to the message size the length of the property name + the length of the property value + 16 bytes.] */
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306 | *msg_size += (strlen(values[index]) + strlen(keys[index]) + MAXIMUM_PROPERTY_OVERHEAD);
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307 | if (*msg_size > MAXIMUM_MESSAGE_SIZE)
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308 | {
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309 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] */
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310 | PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
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311 | DList_InsertTailList(&(deviceData->eventConfirmations), head);
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312 | handleData->transport_callbacks.send_complete_cb(&(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR, deviceData->device_transport_ctx); // takes care of emptying the list too
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313 | result = false;
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314 | break;
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315 | }
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316 | else
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317 | {
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318 | STRING_HANDLE app_construct = STRING_construct_sprintf("%s%s", IOTHUB_APP_PREFIX, keys[index]);
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319 | if (app_construct == NULL)
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320 | {
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321 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
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322 | LogError("Unable to construct app header");
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323 | result = false;
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324 | break;
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325 | }
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326 | else
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327 | {
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328 | if (HTTPHeaders_ReplaceHeaderNameValuePair(headers, STRING_c_str(app_construct), values[index]) != HTTP_HEADERS_OK)
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329 | {
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330 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
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331 | LogError("Unable to add app properties to http header");
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332 | result = false;
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333 | break;
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334 | }
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335 | STRING_delete(app_construct);
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336 | }
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337 | }
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338 | }
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339 | }
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340 | return result;
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341 | }
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342 |
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343 | static void destroy_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
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344 | {
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345 | STRING_delete(handleData->messageHTTPrelativePath);
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346 | handleData->messageHTTPrelativePath = NULL;
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347 | }
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348 |
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349 | static bool create_messageHTTPrelativePath(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
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350 | {
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351 | bool result;
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352 | handleData->messageHTTPrelativePath = STRING_construct("/devices/");
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353 | if (handleData->messageHTTPrelativePath == NULL)
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354 | {
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355 | LogError("STRING_construct failed.");
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356 | result = false;
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357 | }
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358 | else
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359 | {
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360 | STRING_HANDLE urlEncodedDeviceId;
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361 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_019: [ IoTHubTransportHttp_Register shall create an immutable string (further called "message HTTP relative path") from the following pieces: "/devices/" + URL_ENCODED(deviceId) + "/messages/devicebound" + APIVERSION. ]*/
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362 | if (!(
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363 | ((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
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364 | (STRING_concat_with_STRING(handleData->messageHTTPrelativePath, urlEncodedDeviceId) == 0) &&
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365 | (STRING_concat(handleData->messageHTTPrelativePath, MESSAGE_ENDPOINT_HTTP API_VERSION) == 0)
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366 | ))
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367 | {
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368 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_020: [ If creating the message HTTP relative path fails, then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
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369 | LogError("Creating HTTP message relative path failed.");
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370 | result = false;
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371 | destroy_messageHTTPrelativePath(handleData);
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372 | }
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373 | else
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374 | {
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375 | result = true;
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376 | }
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377 | STRING_delete(urlEncodedDeviceId);
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378 | }
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379 |
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380 | return result;
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381 | }
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382 |
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383 | static void destroy_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
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384 | {
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385 | HTTPHeaders_Free(handleData->eventHTTPrequestHeaders);
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386 | handleData->eventHTTPrequestHeaders = NULL;
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387 | }
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388 |
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389 | static HTTP_HEADERS_RESULT addUserAgentHeaderInfo(HTTPTRANSPORT_HANDLE_DATA* transport_data, HTTP_HEADERS_HANDLE eventHTTPrequestHeaders)
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390 | {
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391 | HTTP_HEADERS_RESULT result;
|
---|
392 | const char* product_info = transport_data->transport_callbacks.prod_info_cb(transport_data->transport_ctx);
|
---|
393 | if (product_info == NULL)
|
---|
394 | {
|
---|
395 | result = HTTPHeaders_AddHeaderNameValuePair(eventHTTPrequestHeaders, "User-Agent", CLIENT_DEVICE_TYPE_PREFIX CLIENT_DEVICE_BACKSLASH IOTHUB_SDK_VERSION);
|
---|
396 | }
|
---|
397 | else
|
---|
398 | {
|
---|
399 | result = HTTPHeaders_AddHeaderNameValuePair(eventHTTPrequestHeaders, "User-Agent", product_info);
|
---|
400 | }
|
---|
401 | return result;
|
---|
402 | }
|
---|
403 |
|
---|
404 | static bool create_eventHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, HTTPTRANSPORT_HANDLE_DATA* transport_data, const char * deviceId, bool is_x509_used)
|
---|
405 | {
|
---|
406 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_021: [ IoTHubTransportHttp_Register shall create a set of HTTP headers (further called "event HTTP request headers") consisting of the following fixed field names and values: "iothub-to":"/devices/" + URL_ENCODED(deviceId) + "/messages/events"; "Authorization":""
|
---|
407 | "Accept":"application/json"
|
---|
408 | "Connection":"Keep-Alive" ]*/
|
---|
409 | bool result;
|
---|
410 | handleData->eventHTTPrequestHeaders = HTTPHeaders_Alloc();
|
---|
411 | if (handleData->eventHTTPrequestHeaders == NULL)
|
---|
412 | {
|
---|
413 | LogError("HTTPHeaders_Alloc failed.");
|
---|
414 | result = false;
|
---|
415 | }
|
---|
416 | else
|
---|
417 | {
|
---|
418 | STRING_HANDLE temp = STRING_construct("/devices/");
|
---|
419 | if (temp == NULL)
|
---|
420 | {
|
---|
421 | LogError("STRING_construct failed.");
|
---|
422 | result = false;
|
---|
423 | destroy_eventHTTPrequestHeaders(handleData);
|
---|
424 | }
|
---|
425 | else
|
---|
426 | {
|
---|
427 | STRING_HANDLE urlEncodedDeviceId;
|
---|
428 | if (!(
|
---|
429 | ((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
|
---|
430 | (STRING_concat_with_STRING(temp, urlEncodedDeviceId) == 0) &&
|
---|
431 | (STRING_concat(temp, EVENT_ENDPOINT) == 0)
|
---|
432 | ))
|
---|
433 | {
|
---|
434 | LogError("deviceId construction failed.");
|
---|
435 | result = false;
|
---|
436 | destroy_eventHTTPrequestHeaders(handleData);
|
---|
437 | }
|
---|
438 | else
|
---|
439 | {
|
---|
440 | if (!(
|
---|
441 | (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "iothub-to", STRING_c_str(temp)) == HTTP_HEADERS_OK) &&
|
---|
442 | (is_x509_used || (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, IOTHUB_AUTH_HEADER_VALUE, " ") == HTTP_HEADERS_OK)) &&
|
---|
443 | (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Accept", "application/json") == HTTP_HEADERS_OK) &&
|
---|
444 | (HTTPHeaders_AddHeaderNameValuePair(handleData->eventHTTPrequestHeaders, "Connection", "Keep-Alive") == HTTP_HEADERS_OK) &&
|
---|
445 | (addUserAgentHeaderInfo(transport_data, handleData->eventHTTPrequestHeaders) == HTTP_HEADERS_OK)
|
---|
446 | ))
|
---|
447 | {
|
---|
448 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_022: [ If creating the event HTTP request headers fails, then IoTHubTransportHttp_Register shall fail and return NULL.] */
|
---|
449 | LogError("adding header properties failed.");
|
---|
450 | result = false;
|
---|
451 | destroy_eventHTTPrequestHeaders(handleData);
|
---|
452 | }
|
---|
453 | else
|
---|
454 | {
|
---|
455 | result = true;
|
---|
456 | }
|
---|
457 | }
|
---|
458 | STRING_delete(urlEncodedDeviceId);
|
---|
459 | STRING_delete(temp);
|
---|
460 | }
|
---|
461 | }
|
---|
462 | return result;
|
---|
463 | }
|
---|
464 |
|
---|
465 | static void destroy_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
466 | {
|
---|
467 | HTTPHeaders_Free(handleData->messageHTTPrequestHeaders);
|
---|
468 | handleData->messageHTTPrequestHeaders = NULL;
|
---|
469 | }
|
---|
470 |
|
---|
471 | static bool create_messageHTTPrequestHeaders(HTTPTRANSPORT_PERDEVICE_DATA* handleData, HTTPTRANSPORT_HANDLE_DATA* transport_data, bool is_x509_used)
|
---|
472 | {
|
---|
473 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_132: [ IoTHubTransportHttp_Register shall create a set of HTTP headers (further called "message HTTP request headers") consisting of the following fixed field names and values:
|
---|
474 | "Authorization": "" ]*/
|
---|
475 | bool result;
|
---|
476 | handleData->messageHTTPrequestHeaders = HTTPHeaders_Alloc();
|
---|
477 | if (handleData->messageHTTPrequestHeaders == NULL)
|
---|
478 | {
|
---|
479 | LogError("HTTPHeaders_Alloc failed.");
|
---|
480 | result = false;
|
---|
481 | }
|
---|
482 | else
|
---|
483 | {
|
---|
484 | if (!(
|
---|
485 | (addUserAgentHeaderInfo(transport_data, handleData->messageHTTPrequestHeaders) == HTTP_HEADERS_OK) &&
|
---|
486 | (is_x509_used || (HTTPHeaders_AddHeaderNameValuePair(handleData->messageHTTPrequestHeaders, IOTHUB_AUTH_HEADER_VALUE, " ") == HTTP_HEADERS_OK))
|
---|
487 | ))
|
---|
488 | {
|
---|
489 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_023: [ If creating message HTTP request headers then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
|
---|
490 | destroy_messageHTTPrequestHeaders(handleData);
|
---|
491 | LogError("adding header properties failed.");
|
---|
492 | result = false;
|
---|
493 | }
|
---|
494 | else
|
---|
495 | {
|
---|
496 | result = true;
|
---|
497 | }
|
---|
498 | }
|
---|
499 | return result;
|
---|
500 | }
|
---|
501 |
|
---|
502 | static void destroy_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
503 | {
|
---|
504 | STRING_delete(handleData->abandonHTTPrelativePathBegin);
|
---|
505 | handleData->abandonHTTPrelativePathBegin = NULL;
|
---|
506 | }
|
---|
507 |
|
---|
508 | static bool create_abandonHTTPrelativePathBegin(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
|
---|
509 | {
|
---|
510 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_024: [ IoTHubTransportHttp_Register shall create a STRING containing: "/devices/" + URL_ENCODED(device id) +"/messages/deviceBound/" called abandonHTTPrelativePathBegin. ]*/
|
---|
511 | bool result;
|
---|
512 | handleData->abandonHTTPrelativePathBegin = STRING_construct("/devices/");
|
---|
513 | if (handleData->abandonHTTPrelativePathBegin == NULL)
|
---|
514 | {
|
---|
515 | result = false;
|
---|
516 | }
|
---|
517 | else
|
---|
518 | {
|
---|
519 | STRING_HANDLE urlEncodedDeviceId;
|
---|
520 | if (!(
|
---|
521 | ((urlEncodedDeviceId = URL_EncodeString(deviceId)) != NULL) &&
|
---|
522 | (STRING_concat_with_STRING(handleData->abandonHTTPrelativePathBegin, urlEncodedDeviceId) == 0) &&
|
---|
523 | (STRING_concat(handleData->abandonHTTPrelativePathBegin, MESSAGE_ENDPOINT_HTTP_ETAG) == 0)
|
---|
524 | ))
|
---|
525 | {
|
---|
526 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_025: [ If creating the abandonHTTPrelativePathBegin fails then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
|
---|
527 | LogError("unable to create abandon path string.");
|
---|
528 | STRING_delete(handleData->abandonHTTPrelativePathBegin);
|
---|
529 | result = false;
|
---|
530 | }
|
---|
531 | else
|
---|
532 | {
|
---|
533 | result = true;
|
---|
534 | }
|
---|
535 | STRING_delete(urlEncodedDeviceId);
|
---|
536 | }
|
---|
537 | return result;
|
---|
538 | }
|
---|
539 |
|
---|
540 | static void destroy_SASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
541 | {
|
---|
542 | HTTPAPIEX_SAS_Destroy(handleData->sasObject);
|
---|
543 | handleData->sasObject = NULL;
|
---|
544 | }
|
---|
545 |
|
---|
546 | static bool create_deviceSASObject(HTTPTRANSPORT_PERDEVICE_DATA* handleData, STRING_HANDLE hostName, const char * deviceId, const char * deviceKey)
|
---|
547 | {
|
---|
548 | STRING_HANDLE keyName;
|
---|
549 | bool result;
|
---|
550 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_026: [IoTHubTransportHttp_Create shall invoke URL_EncodeString with an argument of device id.]*/
|
---|
551 | keyName = URL_EncodeString(deviceId);
|
---|
552 | if (keyName == NULL)
|
---|
553 | {
|
---|
554 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_027: [If the encode fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
555 | LogError("URL_EncodeString keyname failed");
|
---|
556 | result = false;
|
---|
557 | }
|
---|
558 | else
|
---|
559 | {
|
---|
560 | STRING_HANDLE uriResource;
|
---|
561 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_028: [IoTHubTransportHttp_Create shall invoke STRING_clone using the previously created hostname.]*/
|
---|
562 | uriResource = STRING_clone(hostName);
|
---|
563 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_029: [If the clone fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
564 | if (uriResource != NULL)
|
---|
565 | {
|
---|
566 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_030: [IoTHubTransportHttp_Create shall invoke STRING_concat with arguments uriResource and the string "/devices/".]*/
|
---|
567 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_141: [If the concat fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
568 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_031: [IoTHubTransportHttp_Create shall invoke STRING_concat_with_STRING with arguments uriResource and keyName.]*/
|
---|
569 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_032: [If the STRING_concat_with_STRING fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
570 | if ((STRING_concat(uriResource, "/devices/") == 0) &&
|
---|
571 | (STRING_concat_with_STRING(uriResource, keyName) == 0))
|
---|
572 | {
|
---|
573 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_033: [IoTHubTransportHttp_Create shall invoke STRING_construct with an argument of config->upperConfig->deviceKey.]*/
|
---|
574 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_034: [If the STRING_construct fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
575 | STRING_HANDLE key = STRING_construct(deviceKey);
|
---|
576 | if (key != NULL)
|
---|
577 | {
|
---|
578 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_035: [The keyName is shortened to zero length, if that fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
579 | if (STRING_empty(keyName) != 0)
|
---|
580 | {
|
---|
581 | LogError("Unable to form the device key name for the SAS");
|
---|
582 | result = false;
|
---|
583 | }
|
---|
584 | else
|
---|
585 | {
|
---|
586 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_036: [IoTHubTransportHttp_Create shall invoke HTTPAPIEX_SAS_Create with arguments key, uriResource, and zero length keyName.]*/
|
---|
587 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_037: [If the HTTPAPIEX_SAS_Create fails then IoTHubTransportHttp_Create shall fail and return NULL.]*/
|
---|
588 | handleData->sasObject = HTTPAPIEX_SAS_Create(key, uriResource, keyName);
|
---|
589 | result = (handleData->sasObject != NULL) ? (true) : (false);
|
---|
590 | }
|
---|
591 | STRING_delete(key);
|
---|
592 | }
|
---|
593 | else
|
---|
594 | {
|
---|
595 | LogError("STRING_construct Key failed");
|
---|
596 | result = false;
|
---|
597 | }
|
---|
598 | }
|
---|
599 | else
|
---|
600 | {
|
---|
601 | LogError("STRING_concat uri resource failed");
|
---|
602 | result = false;
|
---|
603 | }
|
---|
604 | STRING_delete(uriResource);
|
---|
605 | }
|
---|
606 | else
|
---|
607 | {
|
---|
608 | LogError("STRING_staticclone uri resource failed");
|
---|
609 | result = false;
|
---|
610 | }
|
---|
611 | STRING_delete(keyName);
|
---|
612 | }
|
---|
613 | return result;
|
---|
614 | }
|
---|
615 |
|
---|
616 | static void destroy_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
617 | {
|
---|
618 | STRING_delete(handleData->deviceId);
|
---|
619 | handleData->deviceId = NULL;
|
---|
620 | }
|
---|
621 |
|
---|
622 | static bool create_deviceId(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceId)
|
---|
623 | {
|
---|
624 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_133: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceId") from config->deviceConfig->deviceId. ]*/
|
---|
625 | bool result;
|
---|
626 | handleData->deviceId = STRING_construct(deviceId);
|
---|
627 | if (handleData->deviceId == NULL)
|
---|
628 | {
|
---|
629 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_134: [ If deviceId is not created, then IoTHubTransportHttp_Register shall fail and return NULL. */
|
---|
630 | LogError("STRING_construct deviceId failed");
|
---|
631 | result = false;
|
---|
632 | }
|
---|
633 | else
|
---|
634 | {
|
---|
635 | result = true;
|
---|
636 | }
|
---|
637 | return result;
|
---|
638 | }
|
---|
639 |
|
---|
640 | static void destroy_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
641 | {
|
---|
642 | STRING_delete(handleData->deviceKey);
|
---|
643 | handleData->deviceKey = NULL;
|
---|
644 | }
|
---|
645 |
|
---|
646 | static void destroy_deviceSas(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
647 | {
|
---|
648 | STRING_delete(handleData->deviceSasToken);
|
---|
649 | handleData->deviceSasToken = NULL;
|
---|
650 | }
|
---|
651 |
|
---|
652 | static bool create_deviceKey(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceKey)
|
---|
653 | {
|
---|
654 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceKey") from deviceKey. ]*/
|
---|
655 | bool result;
|
---|
656 | handleData->deviceKey = STRING_construct(deviceKey);
|
---|
657 | if (handleData->deviceKey == NULL)
|
---|
658 | {
|
---|
659 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_136: [ If deviceKey is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
|
---|
660 | LogError("STRING_construct deviceKey failed");
|
---|
661 | result = false;
|
---|
662 | }
|
---|
663 | else
|
---|
664 | {
|
---|
665 | result = true;
|
---|
666 | }
|
---|
667 | return result;
|
---|
668 | }
|
---|
669 |
|
---|
670 | static void destroy_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData)
|
---|
671 | {
|
---|
672 | STRING_delete(handleData->deviceSasToken);
|
---|
673 | handleData->deviceSasToken = NULL;
|
---|
674 | }
|
---|
675 |
|
---|
676 | static bool create_deviceSasToken(HTTPTRANSPORT_PERDEVICE_DATA* handleData, const char * deviceSasToken)
|
---|
677 | {
|
---|
678 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_135: [ IoTHubTransportHttp_Register shall create an immutable string (further called "deviceSasToken") from deviceSasToken. ]*/
|
---|
679 | bool result;
|
---|
680 | handleData->deviceSasToken = STRING_construct(deviceSasToken);
|
---|
681 | if (handleData->deviceSasToken == NULL)
|
---|
682 | {
|
---|
683 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_136: [ If deviceSasToken is not created, then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
|
---|
684 | LogError("STRING_construct deviceSasToken failed");
|
---|
685 | result = false;
|
---|
686 | }
|
---|
687 | else
|
---|
688 | {
|
---|
689 | result = true;
|
---|
690 | }
|
---|
691 | return result;
|
---|
692 | }
|
---|
693 |
|
---|
694 | /*
|
---|
695 | * List queries Find by handle and find by device name
|
---|
696 | */
|
---|
697 |
|
---|
698 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_137: [ IoTHubTransportHttp_Register shall search the devices list for any device matching name deviceId. If deviceId is found it shall return NULL. ]*/
|
---|
699 | static bool findDeviceHandle(const void* element, const void* value)
|
---|
700 | {
|
---|
701 | bool result;
|
---|
702 | /* data stored at element is device handle */
|
---|
703 | const IOTHUB_DEVICE_HANDLE * guess = (const IOTHUB_DEVICE_HANDLE *)element;
|
---|
704 | IOTHUB_DEVICE_HANDLE match = (IOTHUB_DEVICE_HANDLE)value;
|
---|
705 | result = (*guess == match) ? true : false;
|
---|
706 | return result;
|
---|
707 | }
|
---|
708 |
|
---|
709 | static bool findDeviceById(const void* element, const void* value)
|
---|
710 | {
|
---|
711 | bool result;
|
---|
712 | const char* deviceId = (const char *)value;
|
---|
713 | const HTTPTRANSPORT_PERDEVICE_DATA * perDeviceElement = *(const HTTPTRANSPORT_PERDEVICE_DATA **)element;
|
---|
714 |
|
---|
715 | result = (strcmp(STRING_c_str(perDeviceElement->deviceId), deviceId) == 0);
|
---|
716 |
|
---|
717 | return result;
|
---|
718 | }
|
---|
719 |
|
---|
720 | static IOTHUB_DEVICE_HANDLE IoTHubTransportHttp_Register(TRANSPORT_LL_HANDLE handle, const IOTHUB_DEVICE_CONFIG* device, PDLIST_ENTRY waitingToSend)
|
---|
721 | {
|
---|
722 | HTTPTRANSPORT_PERDEVICE_DATA* result;
|
---|
723 | if (handle == NULL || device == NULL)
|
---|
724 | {
|
---|
725 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_142: [ If handle is NULL or device is NULL, then IoTHubTransportHttp_Register shall return NULL. ]*/
|
---|
726 | LogError("Transport handle is NULL");
|
---|
727 | result = NULL;
|
---|
728 | }
|
---|
729 | else if (device->deviceId == NULL || ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) || waitingToSend == NULL)
|
---|
730 | {
|
---|
731 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_015: [ If IOTHUB_DEVICE_CONFIG fields deviceKey and deviceSasToken are NULL, then IoTHubTransportHttp_Register shall assume a x509 authentication. ]*/
|
---|
732 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_014: [ If IOTHUB_DEVICE_CONFIG field deviceId is NULL, then IoTHubTransportHttp_Register shall return NULL. ]*/
|
---|
733 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_016: [ If parameter waitingToSend is NULL, then IoTHubTransportHttp_Register shall return NULL. ]*/
|
---|
734 | LogError("invalid parameters detected TRANSPORT_LL_HANDLE handle=%p, const IOTHUB_DEVICE_CONFIG* device=%p, PDLIST_ENTRY waitingToSend=%p",
|
---|
735 | handle, device, waitingToSend);
|
---|
736 | result = NULL;
|
---|
737 | }
|
---|
738 | else
|
---|
739 | {
|
---|
740 | HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
|
---|
741 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_137: [ IoTHubTransportHttp_Register shall search the devices list for any device matching name deviceId. If deviceId is found it shall return NULL. ]*/
|
---|
742 | void* listItem = VECTOR_find_if(handleData->perDeviceList, findDeviceById, device->deviceId);
|
---|
743 | if (listItem != NULL)
|
---|
744 | {
|
---|
745 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_137: [ IoTHubTransportHttp_Register shall search the devices list for any device matching name deviceId. If deviceId is found it shall return NULL. ]*/
|
---|
746 | LogError("Transport already has device registered by id: [%s]", device->deviceId);
|
---|
747 | result = NULL;
|
---|
748 | }
|
---|
749 | else
|
---|
750 | {
|
---|
751 | bool was_create_deviceKey_ok = false;
|
---|
752 | bool was_create_deviceSasToken_ok = false;
|
---|
753 | bool was_sasObject_ok = false;
|
---|
754 | bool was_x509_ok = false; /*there's nothing "created" in the case of x509, it is a flag indicating that x509 is used*/
|
---|
755 |
|
---|
756 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_038: [ Otherwise, IoTHubTransportHttp_Register shall allocate the IOTHUB_DEVICE_HANDLE structure. ]*/
|
---|
757 | bool was_resultCreated_ok = ((result = (HTTPTRANSPORT_PERDEVICE_DATA *)malloc(sizeof(HTTPTRANSPORT_PERDEVICE_DATA))) != NULL);
|
---|
758 | bool was_create_deviceId_ok = was_resultCreated_ok && create_deviceId(result, device->deviceId);
|
---|
759 |
|
---|
760 | if (was_create_deviceId_ok)
|
---|
761 | {
|
---|
762 | if (device->deviceSasToken != NULL)
|
---|
763 | {
|
---|
764 | /*device->deviceKey is certainly NULL (because of the validation condition (else if (device->deviceId == NULL || ((device->deviceKey != NULL) && (device->deviceSasToken != NULL)) || waitingToSend == NULL))that does not accept that both satoken AND devicekey are non-NULL*/
|
---|
765 | was_create_deviceSasToken_ok = create_deviceSasToken(result, device->deviceSasToken);
|
---|
766 | result->deviceKey = NULL;
|
---|
767 | result->sasObject = NULL;
|
---|
768 | }
|
---|
769 | else /*when deviceSasToken == NULL*/
|
---|
770 | {
|
---|
771 | if (device->deviceKey != NULL)
|
---|
772 | {
|
---|
773 | was_create_deviceKey_ok = create_deviceKey(result, device->deviceKey);
|
---|
774 | result->deviceSasToken = NULL;
|
---|
775 | }
|
---|
776 | else
|
---|
777 | {
|
---|
778 | /*when both of them are NULL*/
|
---|
779 | was_x509_ok = true;
|
---|
780 | result->deviceKey = NULL;
|
---|
781 | result->deviceSasToken = NULL;
|
---|
782 | }
|
---|
783 | }
|
---|
784 | }
|
---|
785 |
|
---|
786 | bool was_eventHTTPrelativePath_ok = (was_create_deviceKey_ok || was_create_deviceSasToken_ok || was_x509_ok) && create_eventHTTPrelativePath(result, device->deviceId);
|
---|
787 | bool was_messageHTTPrelativePath_ok = was_eventHTTPrelativePath_ok && create_messageHTTPrelativePath(result, device->deviceId);
|
---|
788 | bool was_eventHTTPrequestHeaders_ok;
|
---|
789 | if (was_messageHTTPrelativePath_ok)
|
---|
790 | {
|
---|
791 | result->device_transport_ctx = handleData->transport_ctx;
|
---|
792 | was_eventHTTPrequestHeaders_ok = create_eventHTTPrequestHeaders(result, handleData, device->deviceId, was_x509_ok);
|
---|
793 | }
|
---|
794 | else
|
---|
795 | {
|
---|
796 | was_eventHTTPrequestHeaders_ok = false;
|
---|
797 | }
|
---|
798 | bool was_messageHTTPrequestHeaders_ok = was_eventHTTPrequestHeaders_ok && create_messageHTTPrequestHeaders(result, handleData, was_x509_ok);
|
---|
799 | bool was_abandonHTTPrelativePathBegin_ok = was_messageHTTPrequestHeaders_ok && create_abandonHTTPrelativePathBegin(result, device->deviceId);
|
---|
800 |
|
---|
801 | if (was_x509_ok)
|
---|
802 | {
|
---|
803 | result->sasObject = NULL; /**/
|
---|
804 | was_sasObject_ok = true;
|
---|
805 | }
|
---|
806 | else
|
---|
807 | {
|
---|
808 | if (!was_create_deviceSasToken_ok)
|
---|
809 | {
|
---|
810 | was_sasObject_ok = was_abandonHTTPrelativePathBegin_ok && create_deviceSASObject(result, handleData->hostName, device->deviceId, device->deviceKey);
|
---|
811 | }
|
---|
812 | }
|
---|
813 |
|
---|
814 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_041: [ IoTHubTransportHttp_Register shall call VECTOR_push_back to store the new device information. ]*/
|
---|
815 | bool was_list_add_ok = (was_sasObject_ok || was_create_deviceSasToken_ok || was_x509_ok) && (VECTOR_push_back(handleData->perDeviceList, &result, 1) == 0);
|
---|
816 |
|
---|
817 | if (was_list_add_ok)
|
---|
818 | {
|
---|
819 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_043: [ Upon success, IoTHubTransportHttp_Register shall store the transport handle, and the waitingToSend queue in the device handle return a non-NULL value. ]*/
|
---|
820 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_040: [ IoTHubTransportHttp_Register shall put event HTTP relative path, message HTTP relative path, event HTTP request headers, message HTTP request headers, abandonHTTPrelativePathBegin, HTTPAPIEX_SAS_HANDLE, and the device handle into a device structure. ]*/
|
---|
821 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_128: [ IoTHubTransportHttp_Register shall mark this device as unsubscribed. ]*/
|
---|
822 | result->DoWork_PullMessage = false;
|
---|
823 | result->isFirstPoll = true;
|
---|
824 | result->waitingToSend = waitingToSend;
|
---|
825 | DList_InitializeListHead(&(result->eventConfirmations));
|
---|
826 | result->transportHandle = (HTTPTRANSPORT_HANDLE_DATA *)handle;
|
---|
827 | }
|
---|
828 | else
|
---|
829 | {
|
---|
830 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_042: [ If the singlylinkedlist_add fails then IoTHubTransportHttp_Register shall fail and return NULL. ]*/
|
---|
831 | if (was_sasObject_ok) destroy_SASObject(result);
|
---|
832 | if (was_abandonHTTPrelativePathBegin_ok) destroy_abandonHTTPrelativePathBegin(result);
|
---|
833 | if (was_messageHTTPrelativePath_ok) destroy_messageHTTPrelativePath(result);
|
---|
834 | if (was_eventHTTPrequestHeaders_ok) destroy_eventHTTPrequestHeaders(result);
|
---|
835 | if (was_messageHTTPrequestHeaders_ok) destroy_messageHTTPrequestHeaders(result);
|
---|
836 | if (was_eventHTTPrelativePath_ok) destroy_eventHTTPrelativePath(result);
|
---|
837 | if (was_create_deviceId_ok) destroy_deviceId(result);
|
---|
838 | if (was_create_deviceKey_ok) destroy_deviceKey(result);
|
---|
839 | if (was_create_deviceSasToken_ok) destroy_deviceSasToken(result);
|
---|
840 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_039: [ If the allocating the device handle fails then IoTHubTransportHttp_Register shall fail and return NULL. ] */
|
---|
841 | if (was_resultCreated_ok) free(result);
|
---|
842 | result = NULL;
|
---|
843 | }
|
---|
844 | }
|
---|
845 |
|
---|
846 | }
|
---|
847 | return (IOTHUB_DEVICE_HANDLE)result;
|
---|
848 | }
|
---|
849 |
|
---|
850 |
|
---|
851 | static void destroy_perDeviceData(HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem)
|
---|
852 | {
|
---|
853 | destroy_deviceId(perDeviceItem);
|
---|
854 | destroy_deviceKey(perDeviceItem);
|
---|
855 | destroy_deviceSas(perDeviceItem);
|
---|
856 | destroy_eventHTTPrelativePath(perDeviceItem);
|
---|
857 | destroy_messageHTTPrelativePath(perDeviceItem);
|
---|
858 | destroy_eventHTTPrequestHeaders(perDeviceItem);
|
---|
859 | destroy_messageHTTPrequestHeaders(perDeviceItem);
|
---|
860 | destroy_abandonHTTPrelativePathBegin(perDeviceItem);
|
---|
861 | destroy_SASObject(perDeviceItem);
|
---|
862 | }
|
---|
863 |
|
---|
864 | static IOTHUB_DEVICE_HANDLE* get_perDeviceDataItem(IOTHUB_DEVICE_HANDLE deviceHandle)
|
---|
865 | {
|
---|
866 | HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
|
---|
867 | IOTHUB_DEVICE_HANDLE* listItem;
|
---|
868 |
|
---|
869 | HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
|
---|
870 |
|
---|
871 | listItem = (IOTHUB_DEVICE_HANDLE *)VECTOR_find_if(handleData->perDeviceList, findDeviceHandle, deviceHandle);
|
---|
872 | if (listItem == NULL)
|
---|
873 | {
|
---|
874 | LogError("device handle not found in transport device list");
|
---|
875 | listItem = NULL;
|
---|
876 | }
|
---|
877 | else
|
---|
878 | {
|
---|
879 | /* sucessfully found device in list. */
|
---|
880 | }
|
---|
881 |
|
---|
882 | return listItem;
|
---|
883 | }
|
---|
884 |
|
---|
885 | static void IoTHubTransportHttp_Unregister(IOTHUB_DEVICE_HANDLE deviceHandle)
|
---|
886 | {
|
---|
887 | if (deviceHandle == NULL)
|
---|
888 | {
|
---|
889 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_044: [ If deviceHandle is NULL, then IoTHubTransportHttp_Unregister shall do nothing. ]*/
|
---|
890 | LogError("Unregister a NULL device handle");
|
---|
891 | }
|
---|
892 | else
|
---|
893 | {
|
---|
894 | HTTPTRANSPORT_PERDEVICE_DATA* deviceHandleData = (HTTPTRANSPORT_PERDEVICE_DATA*)deviceHandle;
|
---|
895 | HTTPTRANSPORT_HANDLE_DATA* handleData = deviceHandleData->transportHandle;
|
---|
896 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_045: [ IoTHubTransportHttp_Unregister shall locate deviceHandle in the transport device list by calling list_find_if. ]*/
|
---|
897 | IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(deviceHandle);
|
---|
898 | if (listItem == NULL)
|
---|
899 | {
|
---|
900 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_046: [ If the device structure is not found, then this function shall fail and do nothing. ]*/
|
---|
901 | LogError("Device Handle [%p] not found in transport", deviceHandle);
|
---|
902 | }
|
---|
903 | else
|
---|
904 | {
|
---|
905 | HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA *)(*listItem);
|
---|
906 |
|
---|
907 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_047: [ IoTHubTransportHttp_Unregister shall free all the resources used in the device structure. ]*/
|
---|
908 | destroy_perDeviceData(perDeviceItem);
|
---|
909 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_048: [ IoTHubTransportHttp_Unregister shall call singlylinkedlist_remove to remove device from devices list. ]*/
|
---|
910 | VECTOR_erase(handleData->perDeviceList, listItem, 1);
|
---|
911 | free(deviceHandleData);
|
---|
912 | }
|
---|
913 | }
|
---|
914 |
|
---|
915 | return;
|
---|
916 | }
|
---|
917 |
|
---|
918 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_005: [If config->upperConfig->protocolGatewayHostName is NULL, `IoTHubTransportHttp_Create` shall create an immutable string (further called hostname) containing `config->transportConfig->iotHubName + config->transportConfig->iotHubSuffix`.] */
|
---|
919 | /*Codes_SRS_TRANSPORTMULTITHTTP_20_001: [If config->upperConfig->protocolGatewayHostName is not NULL, IoTHubTransportHttp_Create shall use it as hostname] */
|
---|
920 | static void destroy_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData)
|
---|
921 | {
|
---|
922 | STRING_delete(handleData->hostName);
|
---|
923 | handleData->hostName = NULL;
|
---|
924 | }
|
---|
925 |
|
---|
926 | static bool create_hostName(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
|
---|
927 | {
|
---|
928 | bool result;
|
---|
929 | if (config->upperConfig->protocolGatewayHostName != NULL)
|
---|
930 | {
|
---|
931 | /*Codes_SRS_TRANSPORTMULTITHTTP_20_001: [If config->upperConfig->protocolGatewayHostName is not NULL, IoTHubTransportHttp_Create shall use it as hostname] */
|
---|
932 | handleData->hostName = STRING_construct(config->upperConfig->protocolGatewayHostName);
|
---|
933 | result = (handleData->hostName != NULL);
|
---|
934 | }
|
---|
935 | else
|
---|
936 | {
|
---|
937 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_005: [If config->upperConfig->protocolGatewayHostName is NULL, `IoTHubTransportHttp_Create` shall create an immutable string (further called hostname) containing `config->transportConfig->iotHubName + config->transportConfig->iotHubSuffix`.] */
|
---|
938 | handleData->hostName = STRING_construct(config->upperConfig->iotHubName);
|
---|
939 |
|
---|
940 | if (handleData->hostName == NULL)
|
---|
941 | {
|
---|
942 | result = false;
|
---|
943 | }
|
---|
944 | else
|
---|
945 | {
|
---|
946 | if ((STRING_concat(handleData->hostName, ".") != 0) ||
|
---|
947 | (STRING_concat(handleData->hostName, config->upperConfig->iotHubSuffix) != 0))
|
---|
948 | {
|
---|
949 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_006: [ If creating the hostname fails then IoTHubTransportHttp_Create shall fail and return NULL. ] */
|
---|
950 | destroy_hostName(handleData);
|
---|
951 | result = false;
|
---|
952 | }
|
---|
953 | else
|
---|
954 | {
|
---|
955 | result = true;
|
---|
956 | }
|
---|
957 | }
|
---|
958 | }
|
---|
959 | return result;
|
---|
960 | }
|
---|
961 |
|
---|
962 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_007: [Otherwise, IoTHubTransportHttp_Create shall create a HTTPAPIEX_HANDLE by a call to HTTPAPIEX_Create passing for hostName the hostname so far constructed by IoTHubTransportHttp_Create.]*/
|
---|
963 | static void destroy_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData)
|
---|
964 | {
|
---|
965 | HTTPAPIEX_Destroy(handleData->httpApiExHandle);
|
---|
966 | handleData->httpApiExHandle = NULL;
|
---|
967 | }
|
---|
968 |
|
---|
969 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_007: [ IoTHubTransportHttp_Create shall create a HTTPAPIEX_HANDLE by a call to HTTPAPIEX_Create passing for hostName the hostname so far constructed by IoTHubTransportHttp_Create. ]*/
|
---|
970 | static bool create_httpApiExHandle(HTTPTRANSPORT_HANDLE_DATA* handleData, const IOTHUBTRANSPORT_CONFIG* config)
|
---|
971 | {
|
---|
972 | bool result;
|
---|
973 | (void)config;
|
---|
974 | handleData->httpApiExHandle = HTTPAPIEX_Create(STRING_c_str(handleData->hostName));
|
---|
975 | if (handleData->httpApiExHandle == NULL)
|
---|
976 | {
|
---|
977 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_008: [ If creating the HTTPAPIEX_HANDLE fails then IoTHubTransportHttp_Create shall fail and return NULL. ] */
|
---|
978 | result = false;
|
---|
979 | }
|
---|
980 | else
|
---|
981 | {
|
---|
982 | result = true;
|
---|
983 | }
|
---|
984 | return result;
|
---|
985 | }
|
---|
986 |
|
---|
987 | static void destroy_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
|
---|
988 | {
|
---|
989 | VECTOR_destroy(handleData->perDeviceList);
|
---|
990 | handleData->perDeviceList = NULL;
|
---|
991 | }
|
---|
992 |
|
---|
993 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_009: [ IoTHubTransportHttp_Create shall call singlylinkedlist_create to create a list of registered devices. ]*/
|
---|
994 | static bool create_perDeviceList(HTTPTRANSPORT_HANDLE_DATA* handleData)
|
---|
995 | {
|
---|
996 | bool result;
|
---|
997 | handleData->perDeviceList = VECTOR_create(sizeof(IOTHUB_DEVICE_HANDLE));
|
---|
998 | if (handleData == NULL || handleData->perDeviceList == NULL)
|
---|
999 | {
|
---|
1000 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_010: [ If creating the list fails, then IoTHubTransportHttp_Create shall fail and return NULL. ]*/
|
---|
1001 | result = false;
|
---|
1002 | }
|
---|
1003 | else
|
---|
1004 | {
|
---|
1005 | result = true;
|
---|
1006 | }
|
---|
1007 | return result;
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 | static TRANSPORT_LL_HANDLE IoTHubTransportHttp_Create(const IOTHUBTRANSPORT_CONFIG* config, TRANSPORT_CALLBACKS_INFO* cb_info, void* ctx)
|
---|
1011 | {
|
---|
1012 | HTTPTRANSPORT_HANDLE_DATA* result;
|
---|
1013 | if (config == NULL)
|
---|
1014 | {
|
---|
1015 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_001: [If parameter config is NULL, then IoTHubTransportHttp_Create shall return NULL.]*/
|
---|
1016 | LogError("invalid arg (configuration is missing)");
|
---|
1017 | result = NULL;
|
---|
1018 | }
|
---|
1019 | else if (config->upperConfig == NULL)
|
---|
1020 | {
|
---|
1021 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_002: [ If field transportConfig is NULL, then IoTHubTransportHttp_Create shall return NULL. ]*/
|
---|
1022 | LogError("invalid arg (upperConfig is NULL)");
|
---|
1023 | result = NULL;
|
---|
1024 | }
|
---|
1025 | else if (config->upperConfig->protocol == NULL)
|
---|
1026 | {
|
---|
1027 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]*/
|
---|
1028 | LogError("invalid arg (protocol is NULL)");
|
---|
1029 | result = NULL;
|
---|
1030 | }
|
---|
1031 | else if (config->upperConfig->iotHubName == NULL)
|
---|
1032 | {
|
---|
1033 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]*/
|
---|
1034 | LogError("invalid arg (iotHubName is NULL)");
|
---|
1035 | result = NULL;
|
---|
1036 | }
|
---|
1037 | else if (config->upperConfig->iotHubSuffix == NULL)
|
---|
1038 | {
|
---|
1039 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_003: [ If fields protocol, iotHubName or iotHubSuffix in transportConfig are NULL, then IoTHubTransportHttp_Create shall return NULL. ]*/
|
---|
1040 | LogError("invalid arg (iotHubSuffix is NULL)");
|
---|
1041 | result = NULL;
|
---|
1042 | }
|
---|
1043 | else if (IoTHub_Transport_ValidateCallbacks(cb_info) != 0)
|
---|
1044 | {
|
---|
1045 | LogError("Invalid transport callback information");
|
---|
1046 | result = NULL;
|
---|
1047 | }
|
---|
1048 | else
|
---|
1049 | {
|
---|
1050 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_130: [ IoTHubTransportHttp_Create shall allocate memory for the handle. ]*/
|
---|
1051 | result = (HTTPTRANSPORT_HANDLE_DATA*)malloc(sizeof(HTTPTRANSPORT_HANDLE_DATA));
|
---|
1052 | if (result == NULL)
|
---|
1053 | {
|
---|
1054 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_131: [ If allocation fails, IoTHubTransportHttp_Create shall fail and return NULL. ]*/
|
---|
1055 | LogError("unable to malloc");
|
---|
1056 | }
|
---|
1057 | else
|
---|
1058 | {
|
---|
1059 | bool was_hostName_ok = create_hostName(result, config);
|
---|
1060 | bool was_httpApiExHandle_ok = was_hostName_ok && create_httpApiExHandle(result, config);
|
---|
1061 | bool was_perDeviceList_ok = was_httpApiExHandle_ok && create_perDeviceList(result);
|
---|
1062 |
|
---|
1063 | if (was_perDeviceList_ok)
|
---|
1064 | {
|
---|
1065 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_011: [ Otherwise, IoTHubTransportHttp_Create shall succeed and return a non-NULL value. ]*/
|
---|
1066 | result->doBatchedTransfers = false;
|
---|
1067 | result->getMinimumPollingTime = DEFAULT_GETMINIMUMPOLLINGTIME;
|
---|
1068 |
|
---|
1069 | result->transport_ctx = ctx;
|
---|
1070 | memcpy(&result->transport_callbacks, cb_info, sizeof(TRANSPORT_CALLBACKS_INFO));
|
---|
1071 | }
|
---|
1072 | else
|
---|
1073 | {
|
---|
1074 | if (was_httpApiExHandle_ok) destroy_httpApiExHandle(result);
|
---|
1075 | if (was_hostName_ok) destroy_hostName(result);
|
---|
1076 |
|
---|
1077 | free(result);
|
---|
1078 | result = NULL;
|
---|
1079 | }
|
---|
1080 | }
|
---|
1081 | }
|
---|
1082 | return result;
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | static void IoTHubTransportHttp_Destroy(TRANSPORT_LL_HANDLE handle)
|
---|
1086 | {
|
---|
1087 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_012: [ IoTHubTransportHttp_Destroy shall do nothing is handle is NULL. ]*/
|
---|
1088 | if (handle != NULL)
|
---|
1089 | {
|
---|
1090 | HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
|
---|
1091 | IOTHUB_DEVICE_HANDLE* listItem;
|
---|
1092 |
|
---|
1093 | size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
|
---|
1094 |
|
---|
1095 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_013: [ Otherwise, IoTHubTransportHttp_Destroy shall free all the resources currently in use. ]*/
|
---|
1096 | for (size_t i = 0; i < deviceListSize; i++)
|
---|
1097 | {
|
---|
1098 | listItem = (IOTHUB_DEVICE_HANDLE *)VECTOR_element(handleData->perDeviceList, i);
|
---|
1099 | HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA*)(*listItem);
|
---|
1100 | destroy_perDeviceData(perDeviceItem);
|
---|
1101 | free(perDeviceItem);
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | destroy_hostName((HTTPTRANSPORT_HANDLE_DATA *)handle);
|
---|
1105 | destroy_httpApiExHandle((HTTPTRANSPORT_HANDLE_DATA *)handle);
|
---|
1106 | destroy_perDeviceList((HTTPTRANSPORT_HANDLE_DATA *)handle);
|
---|
1107 | free(handle);
|
---|
1108 | }
|
---|
1109 | }
|
---|
1110 |
|
---|
1111 | static int IoTHubTransportHttp_Subscribe(IOTHUB_DEVICE_HANDLE handle)
|
---|
1112 | {
|
---|
1113 | int result;
|
---|
1114 | if (handle == NULL)
|
---|
1115 | {
|
---|
1116 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_103: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Subscribe shall fail and return a non-zero value. ]*/
|
---|
1117 | LogError("invalid arg passed to IoTHubTransportHttp_Subscribe");
|
---|
1118 | result = MU_FAILURE;
|
---|
1119 | }
|
---|
1120 | else
|
---|
1121 | {
|
---|
1122 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_104: [ IoTHubTransportHttp_Subscribe shall locate deviceHandle in the transport device list by calling list_find_if. ]*/
|
---|
1123 | IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
|
---|
1124 |
|
---|
1125 | if (listItem == NULL)
|
---|
1126 | {
|
---|
1127 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_105: [ If the device structure is not found, then this function shall fail and return a non-zero value. ]*/
|
---|
1128 | LogError("did not find device in transport handle");
|
---|
1129 | result = MU_FAILURE;
|
---|
1130 | }
|
---|
1131 | else
|
---|
1132 | {
|
---|
1133 | HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem;
|
---|
1134 |
|
---|
1135 | perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA *)(*listItem);
|
---|
1136 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_106: [ Otherwise, IoTHubTransportHttp_Subscribe shall set the device so that subsequent calls to DoWork should execute HTTP requests. ]*/
|
---|
1137 | perDeviceItem->DoWork_PullMessage = true;
|
---|
1138 | }
|
---|
1139 | result = 0;
|
---|
1140 | }
|
---|
1141 | return result;
|
---|
1142 | }
|
---|
1143 |
|
---|
1144 | static void IoTHubTransportHttp_Unsubscribe(IOTHUB_DEVICE_HANDLE handle)
|
---|
1145 | {
|
---|
1146 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_107: [ If parameter deviceHandle is NULL then IoTHubTransportHttp_Unsubscribe shall fail do nothing. ]*/
|
---|
1147 | if (handle != NULL)
|
---|
1148 | {
|
---|
1149 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_108: [ IoTHubTransportHttp_Unsubscribe shall locate deviceHandle in the transport device list by calling list_find_if. ]*/
|
---|
1150 | IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
|
---|
1151 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_109: [ If the device structure is not found, then this function shall fail and do nothing. ]*/
|
---|
1152 | if (listItem != NULL)
|
---|
1153 | {
|
---|
1154 | HTTPTRANSPORT_PERDEVICE_DATA * perDeviceItem = (HTTPTRANSPORT_PERDEVICE_DATA *)(*listItem);
|
---|
1155 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_110: [ Otherwise, IoTHubTransportHttp_Subscribe shall set the device so that subsequent calls to DoWork shall not execute HTTP requests. ]*/
|
---|
1156 | perDeviceItem->DoWork_PullMessage = false;
|
---|
1157 | }
|
---|
1158 | else
|
---|
1159 | {
|
---|
1160 | LogError("Device not found to unsuscribe.");
|
---|
1161 | }
|
---|
1162 | }
|
---|
1163 | else
|
---|
1164 | {
|
---|
1165 | LogError("Null handle passed to Unsuscribe.");
|
---|
1166 | }
|
---|
1167 | }
|
---|
1168 |
|
---|
1169 | static int IoTHubTransportHttp_Subscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
|
---|
1170 | {
|
---|
1171 | /*Codes_SRS_TRANSPORTMULTITHTTP_02_003: [ IoTHubTransportHttp_Subscribe_DeviceTwin shall return a non-zero value. ]*/
|
---|
1172 | (void)handle;
|
---|
1173 | int result = MU_FAILURE;
|
---|
1174 | LogError("IoTHubTransportHttp_Subscribe_DeviceTwin Not supported");
|
---|
1175 | return result;
|
---|
1176 | }
|
---|
1177 |
|
---|
1178 | static void IoTHubTransportHttp_Unsubscribe_DeviceTwin(IOTHUB_DEVICE_HANDLE handle)
|
---|
1179 | {
|
---|
1180 | (void)handle;
|
---|
1181 | /*Codes_SRS_TRANSPORTMULTITHTTP_02_004: [ IoTHubTransportHttp_Unsubscribe_DeviceTwin shall return ]*/
|
---|
1182 | LogError("IoTHubTransportHttp_Unsubscribe_DeviceTwin Not supported");
|
---|
1183 | }
|
---|
1184 |
|
---|
1185 | static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetTwinAsync(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_DEVICE_TWIN_CALLBACK completionCallback, void* callbackContext)
|
---|
1186 | {
|
---|
1187 | (void)handle;
|
---|
1188 | (void)completionCallback;
|
---|
1189 | (void)callbackContext;
|
---|
1190 | LogError("Currently Not Supported.");
|
---|
1191 | // Codes_SRS_TRANSPORTMULTITHTTP_09_005: [ `IoTHubTransportHttp_GetTwinAsync` shall return IOTHUB_CLIENT_ERROR]
|
---|
1192 | return IOTHUB_CLIENT_ERROR;
|
---|
1193 | }
|
---|
1194 |
|
---|
1195 | static int IoTHubTransportHttp_Subscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
|
---|
1196 | {
|
---|
1197 | (void)handle;
|
---|
1198 | int result = MU_FAILURE;
|
---|
1199 | LogError("not implemented (yet)");
|
---|
1200 | return result;
|
---|
1201 | }
|
---|
1202 |
|
---|
1203 | static void IoTHubTransportHttp_Unsubscribe_DeviceMethod(IOTHUB_DEVICE_HANDLE handle)
|
---|
1204 | {
|
---|
1205 | (void)handle;
|
---|
1206 | LogError("not implemented (yet)");
|
---|
1207 | }
|
---|
1208 |
|
---|
1209 | static int IoTHubTransportHttp_DeviceMethod_Response(IOTHUB_DEVICE_HANDLE handle, METHOD_HANDLE methodId, const unsigned char* response, size_t response_size, int status_response)
|
---|
1210 | {
|
---|
1211 | (void)handle;
|
---|
1212 | (void)methodId;
|
---|
1213 | (void)response;
|
---|
1214 | (void)response_size;
|
---|
1215 | (void)status_response;
|
---|
1216 | LogError("not implemented (yet)");
|
---|
1217 | return MU_FAILURE;
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | /*produces a representation of the properties, if they exist*/
|
---|
1221 | /*if they do not exist, produces ""*/
|
---|
1222 | static int concat_Properties(STRING_HANDLE existing, MAP_HANDLE map, size_t* propertiesMessageSizeContribution)
|
---|
1223 | {
|
---|
1224 | int result;
|
---|
1225 | const char*const* keys;
|
---|
1226 | const char*const* values;
|
---|
1227 | size_t count;
|
---|
1228 | if (Map_GetInternals(map, &keys, &values, &count) != MAP_OK)
|
---|
1229 | {
|
---|
1230 | result = MU_FAILURE;
|
---|
1231 | LogError("error while Map_GetInternals");
|
---|
1232 | }
|
---|
1233 | else
|
---|
1234 | {
|
---|
1235 |
|
---|
1236 | if (count == 0)
|
---|
1237 | {
|
---|
1238 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_064: [If IoTHubMessage does not have properties, then "properties":{...} shall be missing from the payload*/
|
---|
1239 | /*no properties - do nothing with existing*/
|
---|
1240 | result = 0;
|
---|
1241 | *propertiesMessageSizeContribution = 0;
|
---|
1242 | }
|
---|
1243 | else
|
---|
1244 | {
|
---|
1245 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_058: [If IoTHubMessage has properties, then they shall be serialized at the same level as "body" using the following pattern: "properties":{"iothub-app-name1":"value1","iothub-app-name2":"value2*/
|
---|
1246 | if (STRING_concat(existing, ",\"properties\":") != 0)
|
---|
1247 | {
|
---|
1248 | /*go ahead and return it*/
|
---|
1249 | result = MU_FAILURE;
|
---|
1250 | LogError("failed STRING_concat");
|
---|
1251 | }
|
---|
1252 | else if (appendMapToJSON(existing, keys, values, count) != 0)
|
---|
1253 | {
|
---|
1254 | result = MU_FAILURE;
|
---|
1255 | LogError("unable to append the properties");
|
---|
1256 | }
|
---|
1257 | else
|
---|
1258 | {
|
---|
1259 | /*all is fine*/
|
---|
1260 | size_t i;
|
---|
1261 | *propertiesMessageSizeContribution = 0;
|
---|
1262 | for (i = 0; i < count; i++)
|
---|
1263 | {
|
---|
1264 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_063: [Every property name shall add to the message size the length of the property name + the length of the property value + 16 bytes.] */
|
---|
1265 | *propertiesMessageSizeContribution += (strlen(keys[i]) + strlen(values[i]) + MAXIMUM_PROPERTY_OVERHEAD);
|
---|
1266 | }
|
---|
1267 | result = 0;
|
---|
1268 | }
|
---|
1269 | }
|
---|
1270 | }
|
---|
1271 | return result;
|
---|
1272 | }
|
---|
1273 |
|
---|
1274 | /*produces a JSON representation of the map : {"a": "value_of_a","b":"value_of_b"}*/
|
---|
1275 | static int appendMapToJSON(STRING_HANDLE existing, const char* const* keys, const char* const* values, size_t count) /*under consideration: move to MAP module when it has more than 1 user*/
|
---|
1276 | {
|
---|
1277 | int result;
|
---|
1278 | if (STRING_concat(existing, "{") != 0)
|
---|
1279 | {
|
---|
1280 | /*go on and return it*/
|
---|
1281 | LogError("STRING_construct failed");
|
---|
1282 | result = MU_FAILURE;
|
---|
1283 | }
|
---|
1284 | else
|
---|
1285 | {
|
---|
1286 | size_t i;
|
---|
1287 | for (i = 0; i < count; i++)
|
---|
1288 | {
|
---|
1289 | if (!(
|
---|
1290 | (STRING_concat(existing, (i == 0) ? "\"" IOTHUB_APP_PREFIX : ",\"" IOTHUB_APP_PREFIX) == 0) &&
|
---|
1291 | (STRING_concat(existing, keys[i]) == 0) &&
|
---|
1292 | (STRING_concat(existing, "\":\"") == 0) &&
|
---|
1293 | (STRING_concat(existing, values[i]) == 0) &&
|
---|
1294 | (STRING_concat(existing, "\"") == 0)
|
---|
1295 | ))
|
---|
1296 | {
|
---|
1297 | LogError("unable to STRING_concat");
|
---|
1298 | break;
|
---|
1299 | }
|
---|
1300 | }
|
---|
1301 |
|
---|
1302 | if (i < count)
|
---|
1303 | {
|
---|
1304 | result = MU_FAILURE;
|
---|
1305 | /*error, let it go through*/
|
---|
1306 | }
|
---|
1307 | else if (STRING_concat(existing, "}") != 0)
|
---|
1308 | {
|
---|
1309 | LogError("unable to STRING_concat");
|
---|
1310 | result = MU_FAILURE;
|
---|
1311 | }
|
---|
1312 | else
|
---|
1313 | {
|
---|
1314 | /*all is fine*/
|
---|
1315 | result = 0;
|
---|
1316 | }
|
---|
1317 | }
|
---|
1318 | return result;
|
---|
1319 | }
|
---|
1320 |
|
---|
1321 | /*makes the following string:{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}*/
|
---|
1322 | /*return NULL if there was a failure, or a non-NULL STRING_HANDLE that contains the intended data*/
|
---|
1323 | static STRING_HANDLE make1EventJSONitem(PDLIST_ENTRY item, size_t *messageSizeContribution)
|
---|
1324 | {
|
---|
1325 | STRING_HANDLE result; /*temp wants to contain :{"body":"base64 encoding of the message content"[,"properties":{"a":"valueOfA"}]}*/
|
---|
1326 | IOTHUB_MESSAGE_LIST* message = containingRecord(item, IOTHUB_MESSAGE_LIST, entry);
|
---|
1327 | IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
|
---|
1328 |
|
---|
1329 | switch (contentType)
|
---|
1330 | {
|
---|
1331 | case IOTHUBMESSAGE_BYTEARRAY:
|
---|
1332 | {
|
---|
1333 | result = STRING_construct("{\"body\":\"");
|
---|
1334 | if (result == NULL)
|
---|
1335 | {
|
---|
1336 | LogError("unable to STRING_construct");
|
---|
1337 | }
|
---|
1338 | else
|
---|
1339 | {
|
---|
1340 | const unsigned char* source;
|
---|
1341 | size_t size;
|
---|
1342 |
|
---|
1343 | if (IoTHubMessage_GetByteArray(message->messageHandle, &source, &size) != IOTHUB_MESSAGE_OK)
|
---|
1344 | {
|
---|
1345 | LogError("unable to get the data for the message.");
|
---|
1346 | STRING_delete(result);
|
---|
1347 | result = NULL;
|
---|
1348 | }
|
---|
1349 | else
|
---|
1350 | {
|
---|
1351 | STRING_HANDLE encoded = Azure_Base64_Encode_Bytes(source, size);
|
---|
1352 | if (encoded == NULL)
|
---|
1353 | {
|
---|
1354 | LogError("unable to Azure_Base64_Encode_Bytes.");
|
---|
1355 | STRING_delete(result);
|
---|
1356 | result = NULL;
|
---|
1357 | }
|
---|
1358 | else
|
---|
1359 | {
|
---|
1360 | size_t propertiesSize = 0;
|
---|
1361 | if (!(
|
---|
1362 | (STRING_concat_with_STRING(result, encoded) == 0) &&
|
---|
1363 | (STRING_concat(result, "\"") == 0) && /*\" because closing value*/
|
---|
1364 | (concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
|
---|
1365 | (STRING_concat(result, "},") == 0) /*the last comma shall be replaced by a ']' by DaCr's suggestion (which is awesome enough to receive credits in the source code)*/
|
---|
1366 | ))
|
---|
1367 | {
|
---|
1368 | STRING_delete(result);
|
---|
1369 | result = NULL;
|
---|
1370 | LogError("unable to STRING_concat_with_STRING.");
|
---|
1371 | }
|
---|
1372 | else
|
---|
1373 | {
|
---|
1374 | /*all is fine... */
|
---|
1375 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] */
|
---|
1376 | *messageSizeContribution = size + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
|
---|
1377 | }
|
---|
1378 | STRING_delete(encoded);
|
---|
1379 | }
|
---|
1380 | }
|
---|
1381 | }
|
---|
1382 | break;
|
---|
1383 | }
|
---|
1384 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_057: [If a messages to be send has type IOTHUBMESSAGE_STRING, then its serialization shall be {"body":"JSON encoding of the string", "base64Encoded":false}] */
|
---|
1385 | case IOTHUBMESSAGE_STRING:
|
---|
1386 | {
|
---|
1387 | result = STRING_construct("{\"body\":");
|
---|
1388 | if (result == NULL)
|
---|
1389 | {
|
---|
1390 | LogError("unable to STRING_construct");
|
---|
1391 | }
|
---|
1392 | else
|
---|
1393 | {
|
---|
1394 | const char* source = IoTHubMessage_GetString(message->messageHandle);
|
---|
1395 | if (source == NULL)
|
---|
1396 | {
|
---|
1397 | LogError("unable to IoTHubMessage_GetString");
|
---|
1398 | STRING_delete(result);
|
---|
1399 | result = NULL;
|
---|
1400 | }
|
---|
1401 | else
|
---|
1402 | {
|
---|
1403 | STRING_HANDLE asJson = STRING_new_JSON(source);
|
---|
1404 | if (asJson == NULL)
|
---|
1405 | {
|
---|
1406 | LogError("unable to STRING_new_JSON");
|
---|
1407 | STRING_delete(result);
|
---|
1408 | result = NULL;
|
---|
1409 | }
|
---|
1410 | else
|
---|
1411 | {
|
---|
1412 | size_t propertiesSize = 0;
|
---|
1413 | if (!(
|
---|
1414 | (STRING_concat_with_STRING(result, asJson) == 0) &&
|
---|
1415 | (STRING_concat(result, ",\"base64Encoded\":false") == 0) &&
|
---|
1416 | (concat_Properties(result, IoTHubMessage_Properties(message->messageHandle), &propertiesSize) == 0) &&
|
---|
1417 | (STRING_concat(result, "},") == 0) /*the last comma shall be replaced by a ']' by DaCr's suggestion (which is awesome enough to receive credits in the source code)*/
|
---|
1418 | ))
|
---|
1419 | {
|
---|
1420 | LogError("unable to STRING_concat_with_STRING");
|
---|
1421 | STRING_delete(result);
|
---|
1422 | result = NULL;
|
---|
1423 | }
|
---|
1424 | else
|
---|
1425 | {
|
---|
1426 | /*result has the intended content*/
|
---|
1427 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_062: [The message size is computed from the length of the payload + 384.] */
|
---|
1428 | *messageSizeContribution = strlen(source) + MAXIMUM_PAYLOAD_OVERHEAD + propertiesSize;
|
---|
1429 | }
|
---|
1430 | STRING_delete(asJson);
|
---|
1431 | }
|
---|
1432 | }
|
---|
1433 | }
|
---|
1434 | break;
|
---|
1435 | }
|
---|
1436 | default:
|
---|
1437 | {
|
---|
1438 | LogError("an unknown message type was encountered (%d)", contentType);
|
---|
1439 | result = NULL; /*unknown message type*/
|
---|
1440 | break;
|
---|
1441 | }
|
---|
1442 | }
|
---|
1443 | return result;
|
---|
1444 | }
|
---|
1445 |
|
---|
1446 | #define MAKE_PAYLOAD_RESULT_VALUES \
|
---|
1447 | MAKE_PAYLOAD_OK, /*returned when there is a payload to be later send by HTTP*/ \
|
---|
1448 | MAKE_PAYLOAD_NO_ITEMS, /*returned when there are no items to be send*/ \
|
---|
1449 | MAKE_PAYLOAD_ERROR, /*returned when there were errors*/ \
|
---|
1450 | MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT /*returned when the first item doesn't fit*/
|
---|
1451 |
|
---|
1452 | MU_DEFINE_ENUM(MAKE_PAYLOAD_RESULT, MAKE_PAYLOAD_RESULT_VALUES);
|
---|
1453 |
|
---|
1454 | /*this function assembles several {"body":"base64 encoding of the message content"," base64Encoded": true} into 1 payload*/
|
---|
1455 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_056: [IoTHubTransportHttp_DoWork shall build the following string:[{"body":"base64 encoding of the message1 content"},{"body":"base64 encoding of the message2 content"}...]]*/
|
---|
1456 | static MAKE_PAYLOAD_RESULT makePayload(HTTPTRANSPORT_PERDEVICE_DATA* deviceData, STRING_HANDLE* payload)
|
---|
1457 | {
|
---|
1458 | MAKE_PAYLOAD_RESULT result;
|
---|
1459 | size_t allMessagesSize = 0;
|
---|
1460 | *payload = STRING_construct("[");
|
---|
1461 | if (*payload == NULL)
|
---|
1462 | {
|
---|
1463 | LogError("unable to STRING_construct");
|
---|
1464 | result = MAKE_PAYLOAD_ERROR;
|
---|
1465 | }
|
---|
1466 | else
|
---|
1467 | {
|
---|
1468 | bool isFirst = true;
|
---|
1469 | PDLIST_ENTRY actual;
|
---|
1470 | bool keepGoing = true; /*keepGoing gets sometimes to false from within the loop*/
|
---|
1471 | /*either all the items enter the list or only some*/
|
---|
1472 | result = MAKE_PAYLOAD_OK; /*optimistically initializing it*/
|
---|
1473 | while (keepGoing && ((actual = deviceData->waitingToSend->Flink) != deviceData->waitingToSend))
|
---|
1474 | {
|
---|
1475 | size_t messageSize;
|
---|
1476 | STRING_HANDLE temp = make1EventJSONitem(actual, &messageSize);
|
---|
1477 | if (isFirst)
|
---|
1478 | {
|
---|
1479 | isFirst = false;
|
---|
1480 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
|
---|
1481 | if (temp == NULL) /*first item failed to create, nothing to send*/
|
---|
1482 | {
|
---|
1483 | result = MAKE_PAYLOAD_ERROR;
|
---|
1484 | STRING_delete(*payload);
|
---|
1485 | *payload = NULL;
|
---|
1486 | keepGoing = false;
|
---|
1487 | }
|
---|
1488 | else
|
---|
1489 | {
|
---|
1490 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_065: [If the oldest message in waitingToSend causes the message size to exceed the message size limit then it shall be removed from waitingToSend, and IoTHubClientCore_LL_SendComplete shall be called. Parameter PDLIST_ENTRY completed shall point to a list containing only the oldest item, and parameter IOTHUB_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_BATCHSTATE_FAILED.]*/
|
---|
1491 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_061: [The message size shall be limited to 255KB - 1 byte.]*/
|
---|
1492 | if (messageSize > MAXIMUM_MESSAGE_SIZE)
|
---|
1493 | {
|
---|
1494 | PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
|
---|
1495 | DList_InsertTailList(&(deviceData->eventConfirmations), head);
|
---|
1496 | result = MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT;
|
---|
1497 | STRING_delete(*payload);
|
---|
1498 | *payload = NULL;
|
---|
1499 | keepGoing = false;
|
---|
1500 | }
|
---|
1501 | else
|
---|
1502 | {
|
---|
1503 | if (STRING_concat_with_STRING(*payload, temp) != 0)
|
---|
1504 | {
|
---|
1505 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
|
---|
1506 | result = MAKE_PAYLOAD_ERROR;
|
---|
1507 | STRING_delete(*payload);
|
---|
1508 | *payload = NULL;
|
---|
1509 | keepGoing = false;
|
---|
1510 | }
|
---|
1511 | else
|
---|
1512 | {
|
---|
1513 | /*first item was put nicely in the payload*/
|
---|
1514 | PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
|
---|
1515 | DList_InsertTailList(&(deviceData->eventConfirmations), head);
|
---|
1516 | allMessagesSize += messageSize;
|
---|
1517 | }
|
---|
1518 | }
|
---|
1519 | STRING_delete(temp);
|
---|
1520 | }
|
---|
1521 | }
|
---|
1522 | else
|
---|
1523 | {
|
---|
1524 | /*there is at least 1 item already in the payload*/
|
---|
1525 | if (temp == NULL)
|
---|
1526 | {
|
---|
1527 | /*there are multiple payloads encoded, the last one had an internal error, just go with those - closing the payload happens "after the loop"*/
|
---|
1528 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_066: [If at any point during construction of the string there are errors, IoTHubTransportHttp_DoWork shall use the so far constructed string as payload.]*/
|
---|
1529 | result = MAKE_PAYLOAD_OK;
|
---|
1530 | keepGoing = false;
|
---|
1531 | }
|
---|
1532 | else
|
---|
1533 | {
|
---|
1534 | if (allMessagesSize + messageSize > MAXIMUM_MESSAGE_SIZE)
|
---|
1535 | {
|
---|
1536 | /*this item doesn't make it to the payload, but the payload is valid so far*/
|
---|
1537 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_066: [If at any point during construction of the string there are errors, IoTHubTransportHttp_DoWork shall use the so far constructed string as payload.]*/
|
---|
1538 | result = MAKE_PAYLOAD_OK;
|
---|
1539 | keepGoing = false;
|
---|
1540 | }
|
---|
1541 | else if (STRING_concat_with_STRING(*payload, temp) != 0)
|
---|
1542 | {
|
---|
1543 | /*should still send what there is so far...*/
|
---|
1544 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_066: [If at any point during construction of the string there are errors, IoTHubTransportHttp_DoWork shall use the so far constructed string as payload.]*/
|
---|
1545 | result = MAKE_PAYLOAD_OK;
|
---|
1546 | keepGoing = false;
|
---|
1547 | }
|
---|
1548 | else
|
---|
1549 | {
|
---|
1550 | /*cool, the payload made it there, let's continue... */
|
---|
1551 | PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
|
---|
1552 | DList_InsertTailList(&(deviceData->eventConfirmations), head);
|
---|
1553 | allMessagesSize += messageSize;
|
---|
1554 | }
|
---|
1555 | STRING_delete(temp);
|
---|
1556 | }
|
---|
1557 | }
|
---|
1558 | }
|
---|
1559 |
|
---|
1560 | /*closing the payload*/
|
---|
1561 | if (result == MAKE_PAYLOAD_OK)
|
---|
1562 | {
|
---|
1563 | ((char*)STRING_c_str(*payload))[STRING_length(*payload) - 1] = ']'; /*TODO - do this in STRING_HANDLE*/
|
---|
1564 | }
|
---|
1565 | else
|
---|
1566 | {
|
---|
1567 | /*no need to close anything*/
|
---|
1568 | }
|
---|
1569 | }
|
---|
1570 | return result;
|
---|
1571 | }
|
---|
1572 |
|
---|
1573 | static void reversePutListBackIn(PDLIST_ENTRY source, PDLIST_ENTRY destination)
|
---|
1574 | {
|
---|
1575 | /*this function takes a list, and inserts it in another list. When done in the context of this file, it reverses the effects of a not-able-to-send situation*/
|
---|
1576 | DList_AppendTailList(destination->Flink, source);
|
---|
1577 | DList_RemoveEntryList(source);
|
---|
1578 | DList_InitializeListHead(source);
|
---|
1579 | }
|
---|
1580 |
|
---|
1581 | static void DoEvent(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData)
|
---|
1582 | {
|
---|
1583 |
|
---|
1584 | if (DList_IsListEmpty(deviceData->waitingToSend))
|
---|
1585 | {
|
---|
1586 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_060: [If the list is empty then IoTHubTransportHttp_DoWork shall proceed to the following action.] */
|
---|
1587 | }
|
---|
1588 | else
|
---|
1589 | {
|
---|
1590 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_053: [If option SetBatching is true then _Dowork shall send batched event message as specced below.] */
|
---|
1591 | if (handleData->doBatchedTransfers)
|
---|
1592 | {
|
---|
1593 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_054: [Request HTTP headers shall have the value of "Content-Type" created or updated to "application/vnd.microsoft.iothub.json" by a call to HTTPHeaders_ReplaceHeaderNameValuePair.] */
|
---|
1594 | if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->eventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_VND_MICROSOFT_IOTHUB_JSON) != HTTP_HEADERS_OK)
|
---|
1595 | {
|
---|
1596 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_055: [If updating Content-Type fails for any reason, then _DoWork shall advance to the next action.] */
|
---|
1597 | LogError("unable to HTTPHeaders_ReplaceHeaderNameValuePair");
|
---|
1598 | }
|
---|
1599 | else
|
---|
1600 | {
|
---|
1601 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_059: [It shall inspect the "waitingToSend" DLIST passed in config structure.] */
|
---|
1602 | STRING_HANDLE payload;
|
---|
1603 | switch (makePayload(deviceData, &payload))
|
---|
1604 | {
|
---|
1605 | case MAKE_PAYLOAD_OK:
|
---|
1606 | {
|
---|
1607 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_068: [Once a final payload has been obtained, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters:] */
|
---|
1608 | BUFFER_HANDLE temp = BUFFER_new();
|
---|
1609 | if (temp == NULL)
|
---|
1610 | {
|
---|
1611 | LogError("unable to BUFFER_new");
|
---|
1612 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
|
---|
1613 | reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
|
---|
1614 | }
|
---|
1615 | else
|
---|
1616 | {
|
---|
1617 | if (BUFFER_build(temp, (const unsigned char*)STRING_c_str(payload), STRING_length(payload)) != 0)
|
---|
1618 | {
|
---|
1619 | LogError("unable to BUFFER_build");
|
---|
1620 | //items go back to waitingToSend
|
---|
1621 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_067: [If there is no valid payload, IoTHubTransportHttp_DoWork shall advance to the next activity.]*/
|
---|
1622 | reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
|
---|
1623 | }
|
---|
1624 | else
|
---|
1625 | {
|
---|
1626 | unsigned int statusCode;
|
---|
1627 | if (HTTPAPIEX_SAS_ExecuteRequest(
|
---|
1628 | deviceData->sasObject,
|
---|
1629 | handleData->httpApiExHandle,
|
---|
1630 | HTTPAPI_REQUEST_POST,
|
---|
1631 | STRING_c_str(deviceData->eventHTTPrelativePath),
|
---|
1632 | deviceData->eventHTTPrequestHeaders,
|
---|
1633 | temp,
|
---|
1634 | &statusCode,
|
---|
1635 | NULL,
|
---|
1636 | NULL
|
---|
1637 | ) != HTTPAPIEX_OK)
|
---|
1638 | {
|
---|
1639 | LogError("unable to HTTPAPIEX_ExecuteRequest");
|
---|
1640 | //items go back to waitingToSend
|
---|
1641 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_069: [if HTTPAPIEX_SAS_ExecuteRequest fails or the http status code >=300 then IoTHubTransportHttp_DoWork shall not do any other action (it is assumed at the next _DoWork it shall be retried).] */
|
---|
1642 | reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
|
---|
1643 | }
|
---|
1644 | else
|
---|
1645 | {
|
---|
1646 | if (statusCode < 300)
|
---|
1647 | {
|
---|
1648 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_070: [If HTTPAPIEX_SAS_ExecuteRequest does not fail and http status code <300 then IoTHubTransportHttp_DoWork shall call IoTHubClientCore_LL_SendComplete. Parameter PDLIST_ENTRY completed shall point to a list containing all the items batched, and parameter IOTHUB_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_OK. The batched items shall be removed from waitingToSend.] */
|
---|
1649 | handleData->transport_callbacks.send_complete_cb(&(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK, deviceData->device_transport_ctx);
|
---|
1650 | }
|
---|
1651 | else
|
---|
1652 | {
|
---|
1653 | //items go back to waitingToSend
|
---|
1654 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_069: [if HTTPAPIEX_SAS_ExecuteRequest fails or the http status code >=300 then IoTHubTransportHttp_DoWork shall not do any other action (it is assumed at the next _DoWork it shall be retried).] */
|
---|
1655 | LogError("unexpected HTTP status code (%u)", statusCode);
|
---|
1656 | reversePutListBackIn(&(deviceData->eventConfirmations), deviceData->waitingToSend);
|
---|
1657 | }
|
---|
1658 | }
|
---|
1659 | }
|
---|
1660 | BUFFER_delete(temp);
|
---|
1661 | }
|
---|
1662 | STRING_delete(payload);
|
---|
1663 | break;
|
---|
1664 | }
|
---|
1665 | case MAKE_PAYLOAD_FIRST_ITEM_DOES_NOT_FIT:
|
---|
1666 | {
|
---|
1667 | handleData->transport_callbacks.send_complete_cb(&(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR, deviceData->device_transport_ctx); // takes care of emptying the list too
|
---|
1668 | break;
|
---|
1669 | }
|
---|
1670 | case MAKE_PAYLOAD_ERROR:
|
---|
1671 | {
|
---|
1672 | LogError("unrecoverable errors while building a batch message");
|
---|
1673 | break;
|
---|
1674 | }
|
---|
1675 | case MAKE_PAYLOAD_NO_ITEMS:
|
---|
1676 | {
|
---|
1677 | /*do nothing*/
|
---|
1678 | break;
|
---|
1679 | }
|
---|
1680 | default:
|
---|
1681 | {
|
---|
1682 | LogError("internal error: switch's default branch reached when never intended");
|
---|
1683 | break;
|
---|
1684 | }
|
---|
1685 | }
|
---|
1686 | }
|
---|
1687 | }
|
---|
1688 | else
|
---|
1689 | {
|
---|
1690 | const unsigned char* messageContent = NULL;
|
---|
1691 | size_t messageSize = 0;
|
---|
1692 | size_t originalMessageSize = 0;
|
---|
1693 | IOTHUB_MESSAGE_LIST* message = containingRecord(deviceData->waitingToSend->Flink, IOTHUB_MESSAGE_LIST, entry);
|
---|
1694 | IOTHUBMESSAGE_CONTENT_TYPE contentType = IoTHubMessage_GetContentType(message->messageHandle);
|
---|
1695 |
|
---|
1696 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_073: [The message size is computed from the length of the payload + 384.]*/
|
---|
1697 | if (!(
|
---|
1698 | (((contentType == IOTHUBMESSAGE_BYTEARRAY) &&
|
---|
1699 | (IoTHubMessage_GetByteArray(message->messageHandle, &messageContent, &originalMessageSize) == IOTHUB_MESSAGE_OK))
|
---|
1700 | ? ((void)(messageSize = originalMessageSize + MAXIMUM_PAYLOAD_OVERHEAD), 1)
|
---|
1701 | : 0)
|
---|
1702 |
|
---|
1703 | ||
|
---|
1704 |
|
---|
1705 | ((contentType == IOTHUBMESSAGE_STRING) &&
|
---|
1706 | ((void)(messageContent = (const unsigned char*)IoTHubMessage_GetString(message->messageHandle)),
|
---|
1707 | ((void)(messageSize = MAXIMUM_PAYLOAD_OVERHEAD + (originalMessageSize = ((messageContent == NULL)
|
---|
1708 | ? 0
|
---|
1709 | : strlen((const char*)messageContent))))),
|
---|
1710 | messageContent != NULL)
|
---|
1711 | )
|
---|
1712 | ))
|
---|
1713 | {
|
---|
1714 | LogError("unable to get the message content");
|
---|
1715 | /*go on...*/
|
---|
1716 | }
|
---|
1717 | else
|
---|
1718 | {
|
---|
1719 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_075: [If the oldest message in waitingToSend causes the message to exceed the message size limit then it shall be removed from waitingToSend, and IoTHubClientCore_LL_SendComplete shall be called. Parameter PDLIST_ENTRY completed shall point to a list containing only the oldest item, and parameter IOTHUB_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_BATCHSTATE_FAILED.]*/
|
---|
1720 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_072: [The message size shall be limited to 255KB -1 bytes.] */
|
---|
1721 | if (messageSize > MAXIMUM_MESSAGE_SIZE)
|
---|
1722 | {
|
---|
1723 | PDLIST_ENTRY head = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
|
---|
1724 | DList_InsertTailList(&(deviceData->eventConfirmations), head);
|
---|
1725 | handleData->transport_callbacks.send_complete_cb(&(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR, deviceData->device_transport_ctx); // takes care of emptying the list too
|
---|
1726 | }
|
---|
1727 | else
|
---|
1728 | {
|
---|
1729 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_071: [If option SetBatching is false then _Dowork shall send individual event message as specced below.] */
|
---|
1730 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_076: [A clone of the event HTTP request headers shall be created.]*/
|
---|
1731 | HTTP_HEADERS_HANDLE clonedEventHTTPrequestHeaders = HTTPHeaders_Clone(deviceData->eventHTTPrequestHeaders);
|
---|
1732 | if (clonedEventHTTPrequestHeaders == NULL)
|
---|
1733 | {
|
---|
1734 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
|
---|
1735 | LogError("HTTPHeaders_Clone failed");
|
---|
1736 | }
|
---|
1737 | else
|
---|
1738 | {
|
---|
1739 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_077: [The cloned HTTP headers shall have the HTTP header "Content-Type" set to "application/octet-stream".] */
|
---|
1740 | if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, CONTENT_TYPE, APPLICATION_OCTET_STREAM) != HTTP_HEADERS_OK)
|
---|
1741 | {
|
---|
1742 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
|
---|
1743 | LogError("HTTPHeaders_ReplaceHeaderNameValuePair failed");
|
---|
1744 | }
|
---|
1745 | else
|
---|
1746 | {
|
---|
1747 | // set_message_properties returning false does not necessarily mean the the function failed, it just means
|
---|
1748 | // the the adding of messages should not continue and should try the next time. So you should not log if this
|
---|
1749 | // returns false
|
---|
1750 | if (set_message_properties(message, &messageSize, clonedEventHTTPrequestHeaders, handleData, deviceData))
|
---|
1751 | {
|
---|
1752 |
|
---|
1753 | if (set_system_properties(message, clonedEventHTTPrequestHeaders) != 0)
|
---|
1754 | {
|
---|
1755 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_079: [If any HTTP header operation fails, _DoWork shall advance to the next action.] */
|
---|
1756 | }
|
---|
1757 | else
|
---|
1758 | {
|
---|
1759 | BUFFER_HANDLE toBeSend = BUFFER_create(messageContent, originalMessageSize);
|
---|
1760 | if (toBeSend == NULL)
|
---|
1761 | {
|
---|
1762 | LogError("unable to BUFFER_new");
|
---|
1763 | }
|
---|
1764 | else
|
---|
1765 | {
|
---|
1766 | unsigned int statusCode = 0;
|
---|
1767 | HTTPAPIEX_RESULT r;
|
---|
1768 | if (deviceData->deviceSasToken != NULL)
|
---|
1769 | {
|
---|
1770 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_001: [if a deviceSasToken exists, HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (deviceSasToken) as its third argument.]*/
|
---|
1771 | if (HTTPHeaders_ReplaceHeaderNameValuePair(clonedEventHTTPrequestHeaders, IOTHUB_AUTH_HEADER_VALUE, STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
|
---|
1772 | {
|
---|
1773 | r = HTTPAPIEX_ERROR;
|
---|
1774 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_002: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]*/
|
---|
1775 | LogError("Unable to replace the old SAS Token.");
|
---|
1776 | }
|
---|
1777 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_003: [If a deviceSasToken exists, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_ExecuteRequest passing the following parameters] */
|
---|
1778 | else if ((r = HTTPAPIEX_ExecuteRequest(
|
---|
1779 | handleData->httpApiExHandle, HTTPAPI_REQUEST_POST, STRING_c_str(deviceData->eventHTTPrelativePath),
|
---|
1780 | clonedEventHTTPrequestHeaders, toBeSend, &statusCode, NULL, NULL)) != HTTPAPIEX_OK)
|
---|
1781 | {
|
---|
1782 | LogError("Unable to HTTPAPIEX_ExecuteRequest.");
|
---|
1783 | }
|
---|
1784 | }
|
---|
1785 | else
|
---|
1786 | {
|
---|
1787 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_080: [If a deviceSasToken does not exist, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters] */
|
---|
1788 | if ((r = HTTPAPIEX_SAS_ExecuteRequest(deviceData->sasObject, handleData->httpApiExHandle, HTTPAPI_REQUEST_POST, STRING_c_str(deviceData->eventHTTPrelativePath),
|
---|
1789 | clonedEventHTTPrequestHeaders, toBeSend, &statusCode, NULL, NULL )) != HTTPAPIEX_OK)
|
---|
1790 | {
|
---|
1791 | LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
|
---|
1792 | }
|
---|
1793 | }
|
---|
1794 | if (r == HTTPAPIEX_OK)
|
---|
1795 | {
|
---|
1796 | if (statusCode < 300)
|
---|
1797 | {
|
---|
1798 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_082: [If HTTPAPIEX_SAS_ExecuteRequest does not fail and http status code <300 then IoTHubTransportHttp_DoWork shall call IoTHubClientCore_LL_SendComplete. Parameter PDLIST_ENTRY completed shall point to a list the item send, and parameter IOTHUB_CLIENT_CONFIRMATION_RESULT result shall be set to IOTHUB_CLIENT_CONFIRMATION_OK. The item shall be removed from waitingToSend.] */
|
---|
1799 | PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
|
---|
1800 | DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
|
---|
1801 | handleData->transport_callbacks.send_complete_cb(&(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_OK, deviceData->device_transport_ctx); // takes care of emptying the list too
|
---|
1802 | }
|
---|
1803 | else
|
---|
1804 | {
|
---|
1805 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_081: [If HTTPAPIEX_SAS_ExecuteRequest fails or the http status code >=300 then IoTHubTransportHttp_DoWork shall not do any other action (it is assumed at the next _DoWork it shall be retried).] */
|
---|
1806 | LogError("unexpected HTTP status code (%u)", statusCode);
|
---|
1807 | }
|
---|
1808 | }
|
---|
1809 | else if (r == HTTPAPIEX_RECOVERYFAILED)
|
---|
1810 | {
|
---|
1811 | PDLIST_ENTRY justSent = DList_RemoveHeadList(deviceData->waitingToSend); /*actually this is the same as "actual", but now it is removed*/
|
---|
1812 | DList_InsertTailList(&(deviceData->eventConfirmations), justSent);
|
---|
1813 | handleData->transport_callbacks.send_complete_cb(&(deviceData->eventConfirmations), IOTHUB_CLIENT_CONFIRMATION_ERROR, deviceData->device_transport_ctx); // takes care of emptying the list too
|
---|
1814 | }
|
---|
1815 | }
|
---|
1816 | BUFFER_delete(toBeSend);
|
---|
1817 | }
|
---|
1818 | }
|
---|
1819 | }
|
---|
1820 | HTTPHeaders_Free(clonedEventHTTPrequestHeaders);
|
---|
1821 | }
|
---|
1822 | }
|
---|
1823 | }
|
---|
1824 | }
|
---|
1825 | }
|
---|
1826 | }
|
---|
1827 |
|
---|
1828 | static bool abandonOrAcceptMessage(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* ETag, IOTHUBMESSAGE_DISPOSITION_RESULT action)
|
---|
1829 | {
|
---|
1830 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_097: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
|
---|
1831 | -requestType: POST
|
---|
1832 | -relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14"
|
---|
1833 | - requestHttpHeadersHandle: an HTTP headers instance containing the following
|
---|
1834 | Authorization: " "
|
---|
1835 | If-Match: value of ETag
|
---|
1836 | - requestContent: NULL
|
---|
1837 | - statusCode: a pointer to unsigned int which might be examined for logging
|
---|
1838 | - responseHeadearsHandle: NULL
|
---|
1839 | - responseContent: NULL]*/
|
---|
1840 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_099: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
|
---|
1841 | -requestType: DELETE
|
---|
1842 | -relativePath: abandon relative path begin + value of ETag + "?api-version=2016-11-14"
|
---|
1843 | - requestHttpHeadersHandle: an HTTP headers instance containing the following
|
---|
1844 | Authorization: " "
|
---|
1845 | If-Match: value of ETag
|
---|
1846 | - requestContent: NULL
|
---|
1847 | - statusCode: a pointer to unsigned int which might be used by logging
|
---|
1848 | - responseHeadearsHandle: NULL
|
---|
1849 | - responseContent: NULL]*/
|
---|
1850 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_101: [_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest with the following parameters:
|
---|
1851 | -requestType: DELETE
|
---|
1852 | -relativePath: abandon relative path begin + value of ETag +"?api-version=2016-11-14" + "&reject"
|
---|
1853 | - requestHttpHeadersHandle: an HTTP headers instance containing the following
|
---|
1854 | Authorization: " "
|
---|
1855 | If-Match: value of ETag
|
---|
1856 | - requestContent: NULL
|
---|
1857 | - statusCode: a pointer to unsigned int which might be used by logging
|
---|
1858 | - responseHeadearsHandle: NULL
|
---|
1859 | - responseContent: NULL]*/
|
---|
1860 |
|
---|
1861 | bool result;
|
---|
1862 | STRING_HANDLE fullAbandonRelativePath = STRING_clone(deviceData->abandonHTTPrelativePathBegin);
|
---|
1863 | if (fullAbandonRelativePath == NULL)
|
---|
1864 | {
|
---|
1865 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1866 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1867 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1868 | LogError("unable to STRING_clone");
|
---|
1869 | result = false;
|
---|
1870 | }
|
---|
1871 | else
|
---|
1872 | {
|
---|
1873 | STRING_HANDLE ETagUnquoted = STRING_construct_n(ETag + 1, strlen(ETag) - 2); /*skip first character which is '"' and the last one (which is also '"')*/
|
---|
1874 | if (ETagUnquoted == NULL)
|
---|
1875 | {
|
---|
1876 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1877 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1878 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1879 | LogError("unable to STRING_construct_n");
|
---|
1880 | result = false;
|
---|
1881 | }
|
---|
1882 | else
|
---|
1883 | {
|
---|
1884 | if (!(
|
---|
1885 | (STRING_concat_with_STRING(fullAbandonRelativePath, ETagUnquoted) == 0) &&
|
---|
1886 | (STRING_concat(fullAbandonRelativePath, (action == IOTHUBMESSAGE_ABANDONED) ? "/abandon" API_VERSION : ((action == IOTHUBMESSAGE_REJECTED) ? API_VERSION "&reject" : API_VERSION)) == 0)
|
---|
1887 | ))
|
---|
1888 | {
|
---|
1889 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1890 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1891 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1892 | LogError("unable to STRING_concat");
|
---|
1893 | result = false;
|
---|
1894 | }
|
---|
1895 | else
|
---|
1896 | {
|
---|
1897 | HTTP_HEADERS_HANDLE abandonRequestHttpHeaders = HTTPHeaders_Alloc();
|
---|
1898 | if (abandonRequestHttpHeaders == NULL)
|
---|
1899 | {
|
---|
1900 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1901 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1902 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1903 | LogError("unable to HTTPHeaders_Alloc");
|
---|
1904 | result = false;
|
---|
1905 | }
|
---|
1906 | else
|
---|
1907 | {
|
---|
1908 | if (!(
|
---|
1909 | (addUserAgentHeaderInfo(handleData, abandonRequestHttpHeaders) == HTTP_HEADERS_OK) &&
|
---|
1910 | (HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, IOTHUB_AUTH_HEADER_VALUE, " ") == HTTP_HEADERS_OK) &&
|
---|
1911 | (HTTPHeaders_AddHeaderNameValuePair(abandonRequestHttpHeaders, "If-Match", ETag) == HTTP_HEADERS_OK)
|
---|
1912 | ))
|
---|
1913 | {
|
---|
1914 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1915 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1916 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1917 | LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
|
---|
1918 | result = false;
|
---|
1919 | }
|
---|
1920 | else
|
---|
1921 | {
|
---|
1922 | unsigned int statusCode = 0;
|
---|
1923 | HTTPAPIEX_RESULT r;
|
---|
1924 | if (deviceData->deviceSasToken != NULL)
|
---|
1925 | {
|
---|
1926 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_001: [if a deviceSasToken exists, HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (deviceSasToken) as its third argument.]*/
|
---|
1927 | if (HTTPHeaders_ReplaceHeaderNameValuePair(abandonRequestHttpHeaders, IOTHUB_AUTH_HEADER_VALUE, STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
|
---|
1928 | {
|
---|
1929 | r = HTTPAPIEX_ERROR;
|
---|
1930 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_002: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]*/
|
---|
1931 | LogError("Unable to replace the old SAS Token.");
|
---|
1932 | result = false;
|
---|
1933 | }
|
---|
1934 | else if ((r = HTTPAPIEX_ExecuteRequest(
|
---|
1935 | handleData->httpApiExHandle,
|
---|
1936 | (action == IOTHUBMESSAGE_ABANDONED) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /*-requestType: POST */
|
---|
1937 | STRING_c_str(fullAbandonRelativePath), /*-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14" */
|
---|
1938 | abandonRequestHttpHeaders, /*- requestHttpHeadersHandle: an HTTP headers instance containing the following */
|
---|
1939 | NULL, /*- requestContent: NULL */
|
---|
1940 | &statusCode, /*- statusCode: a pointer to unsigned int which might be examined for logging */
|
---|
1941 | NULL, /*- responseHeadearsHandle: NULL */
|
---|
1942 | NULL /*- responseContent: NULL] */
|
---|
1943 | )) != HTTPAPIEX_OK)
|
---|
1944 | {
|
---|
1945 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1946 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1947 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1948 | LogError("Unable to HTTPAPIEX_ExecuteRequest.");
|
---|
1949 | result = false;
|
---|
1950 | }
|
---|
1951 | }
|
---|
1952 | else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
|
---|
1953 | deviceData->sasObject,
|
---|
1954 | handleData->httpApiExHandle,
|
---|
1955 | (action == IOTHUBMESSAGE_ABANDONED) ? HTTPAPI_REQUEST_POST : HTTPAPI_REQUEST_DELETE, /*-requestType: POST */
|
---|
1956 | STRING_c_str(fullAbandonRelativePath), /*-relativePath: abandon relative path begin (as created by _Create) + value of ETag + "/abandon?api-version=2016-11-14" */
|
---|
1957 | abandonRequestHttpHeaders, /*- requestHttpHeadersHandle: an HTTP headers instance containing the following */
|
---|
1958 | NULL, /*- requestContent: NULL */
|
---|
1959 | &statusCode, /*- statusCode: a pointer to unsigned int which might be examined for logging */
|
---|
1960 | NULL, /*- responseHeadearsHandle: NULL */
|
---|
1961 | NULL /*- responseContent: NULL] */
|
---|
1962 | )) != HTTPAPIEX_OK)
|
---|
1963 | {
|
---|
1964 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1965 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1966 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1967 | LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
|
---|
1968 | result = false;
|
---|
1969 | }
|
---|
1970 | if (r == HTTPAPIEX_OK)
|
---|
1971 | {
|
---|
1972 | if (statusCode != 204)
|
---|
1973 | {
|
---|
1974 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1975 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1976 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1977 | LogError("unexpected status code returned %u (was expecting 204)", statusCode);
|
---|
1978 | result = false;
|
---|
1979 | }
|
---|
1980 | else
|
---|
1981 | {
|
---|
1982 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_098: [Abandoning the message is considered successful if the HTTPAPIEX_SAS_ExecuteRequest doesn't fail and the statusCode is 204.]*/
|
---|
1983 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_100: [Accepting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1984 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_102: [Rejecting a message is successful when HTTPAPIEX_SAS_ExecuteRequest completes successfully and the status code is 204.] */
|
---|
1985 | /*all is fine*/
|
---|
1986 | result = true;
|
---|
1987 | }
|
---|
1988 | }
|
---|
1989 | else
|
---|
1990 | {
|
---|
1991 | result = false;
|
---|
1992 | }
|
---|
1993 | }
|
---|
1994 | HTTPHeaders_Free(abandonRequestHttpHeaders);
|
---|
1995 | }
|
---|
1996 | }
|
---|
1997 | STRING_delete(ETagUnquoted);
|
---|
1998 | }
|
---|
1999 | STRING_delete(fullAbandonRelativePath);
|
---|
2000 | }
|
---|
2001 | return result;
|
---|
2002 | }
|
---|
2003 |
|
---|
2004 | static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SendMessageDisposition(MESSAGE_CALLBACK_INFO* message_data, IOTHUBMESSAGE_DISPOSITION_RESULT disposition)
|
---|
2005 | {
|
---|
2006 | IOTHUB_CLIENT_RESULT result;
|
---|
2007 | if (message_data == NULL)
|
---|
2008 | {
|
---|
2009 | /* Codes_SRS_TRANSPORTMULTITHTTP_10_001: [If messageData is NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
|
---|
2010 | LogError("invalid argument messageData is NULL");
|
---|
2011 | result = IOTHUB_CLIENT_ERROR;
|
---|
2012 | }
|
---|
2013 | else
|
---|
2014 | {
|
---|
2015 | if (message_data->messageHandle == NULL)
|
---|
2016 | {
|
---|
2017 | /* Codes_SRS_TRANSPORTMULTITHTTP_10_002: [If any of the messageData fields are NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
|
---|
2018 | LogError("invalid message handle");
|
---|
2019 | result = IOTHUB_CLIENT_ERROR;
|
---|
2020 | }
|
---|
2021 | else
|
---|
2022 | {
|
---|
2023 | MESSAGE_DISPOSITION_CONTEXT* tc = (MESSAGE_DISPOSITION_CONTEXT*)(message_data->transportContext);
|
---|
2024 | if (tc == NULL)
|
---|
2025 | {
|
---|
2026 | /* Codes_SRS_TRANSPORTMULTITHTTP_10_002: [If any of the messageData fields are NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
|
---|
2027 | LogError("invalid transport context data");
|
---|
2028 | result = IOTHUB_CLIENT_ERROR;
|
---|
2029 | }
|
---|
2030 | else
|
---|
2031 | {
|
---|
2032 | if ((tc->handleData == NULL) || (tc->deviceData == NULL) || (tc->etagValue == NULL))
|
---|
2033 | {
|
---|
2034 | /* Codes_SRS_TRANSPORTMULTITHTTP_10_002: [If any of the messageData fields are NULL, IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR.] */
|
---|
2035 | LogError("invalid transport context data");
|
---|
2036 | result = IOTHUB_CLIENT_ERROR;
|
---|
2037 | }
|
---|
2038 | else
|
---|
2039 | {
|
---|
2040 | if (abandonOrAcceptMessage(tc->handleData, tc->deviceData, tc->etagValue, disposition))
|
---|
2041 | {
|
---|
2042 | result = IOTHUB_CLIENT_OK;
|
---|
2043 | }
|
---|
2044 | else
|
---|
2045 | {
|
---|
2046 | /* Codes_SRS_TRANSPORTMULTITHTTP_10_003: [IoTHubTransportHttp_SendMessageDisposition shall fail and return IOTHUB_CLIENT_ERROR if the POST message fails, otherwise return IOTHUB_CLIENT_OK.] */
|
---|
2047 | LogError("HTTP Transport layer failed to report %s disposition", MU_ENUM_TO_STRING(IOTHUBMESSAGE_DISPOSITION_RESULT, disposition));
|
---|
2048 | result = IOTHUB_CLIENT_ERROR;
|
---|
2049 | }
|
---|
2050 | }
|
---|
2051 | free(tc->etagValue);
|
---|
2052 | free(tc);
|
---|
2053 | }
|
---|
2054 | IoTHubMessage_Destroy(message_data->messageHandle);
|
---|
2055 | }
|
---|
2056 | free(message_data);
|
---|
2057 | }
|
---|
2058 | return result;
|
---|
2059 | }
|
---|
2060 |
|
---|
2061 | static MESSAGE_CALLBACK_INFO* MESSAGE_CALLBACK_INFO_Create(IOTHUB_MESSAGE_HANDLE received_message, HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData, const char* etagValue)
|
---|
2062 | {
|
---|
2063 | MESSAGE_CALLBACK_INFO* result = (MESSAGE_CALLBACK_INFO*)malloc(sizeof(MESSAGE_CALLBACK_INFO));
|
---|
2064 | if (result == NULL)
|
---|
2065 | {
|
---|
2066 | /*Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] */
|
---|
2067 | LogError("malloc failed");
|
---|
2068 | }
|
---|
2069 | else
|
---|
2070 | {
|
---|
2071 | MESSAGE_DISPOSITION_CONTEXT* tc = (MESSAGE_DISPOSITION_CONTEXT*)malloc(sizeof(MESSAGE_DISPOSITION_CONTEXT));
|
---|
2072 | if (tc == NULL)
|
---|
2073 | {
|
---|
2074 | /*Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] */
|
---|
2075 | LogError("malloc failed");
|
---|
2076 | free(result);
|
---|
2077 | result = NULL;
|
---|
2078 | }
|
---|
2079 | else
|
---|
2080 | {
|
---|
2081 | result->messageHandle = IoTHubMessage_Clone(received_message);
|
---|
2082 | if (result->messageHandle == NULL)
|
---|
2083 | {
|
---|
2084 | /*Codes_SRS_TRANSPORTMULTITHTTP_10_007: [If assembling a message clone, _DoWork shall "abandon" the message.]*/
|
---|
2085 | LogError("IoTHubMessage_Clone failed");
|
---|
2086 | free(tc);
|
---|
2087 | free(result);
|
---|
2088 | result = NULL;
|
---|
2089 | }
|
---|
2090 | else
|
---|
2091 | {
|
---|
2092 | if (mallocAndStrcpy_s(&tc->etagValue, etagValue) != 0)
|
---|
2093 | {
|
---|
2094 | LogError("mallocAndStrcpy_s failed");
|
---|
2095 | free(tc);
|
---|
2096 | free(result);
|
---|
2097 | result = NULL;
|
---|
2098 | }
|
---|
2099 | else
|
---|
2100 | {
|
---|
2101 | tc->handleData = handleData;
|
---|
2102 | tc->deviceData = deviceData;
|
---|
2103 |
|
---|
2104 | result->transportContext = tc;
|
---|
2105 | }
|
---|
2106 | }
|
---|
2107 | }
|
---|
2108 | }
|
---|
2109 | return result;
|
---|
2110 | }
|
---|
2111 |
|
---|
2112 | static void DoMessages(HTTPTRANSPORT_HANDLE_DATA* handleData, HTTPTRANSPORT_PERDEVICE_DATA* deviceData)
|
---|
2113 | {
|
---|
2114 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_083: [ If device is not subscribed then _DoWork shall advance to the next action. ] */
|
---|
2115 | if (deviceData->DoWork_PullMessage)
|
---|
2116 | {
|
---|
2117 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_123: [After client creation, the first GET shall be allowed no matter what the value of GetMinimumPollingTime.] */
|
---|
2118 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_124: [If time is not available then all calls shall be treated as if they are the first one.] */
|
---|
2119 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_122: [A GET request that happens earlier than GetMinimumPollingTime shall be ignored.] */
|
---|
2120 | time_t timeNow = get_time(NULL);
|
---|
2121 | bool isPollingAllowed = deviceData->isFirstPoll || (timeNow == (time_t)(-1)) || (get_difftime(timeNow, deviceData->lastPollTime) > handleData->getMinimumPollingTime);
|
---|
2122 | if (isPollingAllowed)
|
---|
2123 | {
|
---|
2124 | HTTP_HEADERS_HANDLE responseHTTPHeaders = HTTPHeaders_Alloc();
|
---|
2125 | if (responseHTTPHeaders == NULL)
|
---|
2126 | {
|
---|
2127 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_085: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
|
---|
2128 | LogError("unable to HTTPHeaders_Alloc");
|
---|
2129 | }
|
---|
2130 | else
|
---|
2131 | {
|
---|
2132 | BUFFER_HANDLE responseContent = BUFFER_new();
|
---|
2133 | if (responseContent == NULL)
|
---|
2134 | {
|
---|
2135 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_085: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
|
---|
2136 | LogError("unable to BUFFER_new");
|
---|
2137 | }
|
---|
2138 | else
|
---|
2139 | {
|
---|
2140 | unsigned int statusCode = 0;
|
---|
2141 | HTTPAPIEX_RESULT r;
|
---|
2142 | if (deviceData->deviceSasToken != NULL)
|
---|
2143 | {
|
---|
2144 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_001: [if a deviceSasToken exists, HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (deviceSasToken) as its third argument.]*/
|
---|
2145 | if (HTTPHeaders_ReplaceHeaderNameValuePair(deviceData->messageHTTPrequestHeaders, IOTHUB_AUTH_HEADER_VALUE, STRING_c_str(deviceData->deviceSasToken)) != HTTP_HEADERS_OK)
|
---|
2146 | {
|
---|
2147 | r = HTTPAPIEX_ERROR;
|
---|
2148 | /*Codes_SRS_TRANSPORTMULTITHTTP_03_002: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]*/
|
---|
2149 | LogError("Unable to replace the old SAS Token.");
|
---|
2150 | }
|
---|
2151 | else if ((r = HTTPAPIEX_ExecuteRequest(
|
---|
2152 | handleData->httpApiExHandle,
|
---|
2153 | HTTPAPI_REQUEST_GET, /*requestType: GET*/
|
---|
2154 | STRING_c_str(deviceData->messageHTTPrelativePath), /*relativePath: the message HTTP relative path*/
|
---|
2155 | deviceData->messageHTTPrequestHeaders, /*requestHttpHeadersHandle: message HTTP request headers created by _Create*/
|
---|
2156 | NULL, /*requestContent: NULL*/
|
---|
2157 | &statusCode, /*statusCode: a pointer to unsigned int which shall be later examined*/
|
---|
2158 | responseHTTPHeaders, /*responseHeadearsHandle: a new instance of HTTP headers*/
|
---|
2159 | responseContent /*responseContent: a new instance of buffer*/
|
---|
2160 | )) != HTTPAPIEX_OK)
|
---|
2161 | {
|
---|
2162 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_085: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
|
---|
2163 | LogError("Unable to HTTPAPIEX_ExecuteRequest.");
|
---|
2164 | }
|
---|
2165 | }
|
---|
2166 |
|
---|
2167 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_084: [Otherwise, IoTHubTransportHttp_DoWork shall call HTTPAPIEX_SAS_ExecuteRequest passing the following parameters
|
---|
2168 | requestType: GET
|
---|
2169 | relativePath: the message HTTP relative path
|
---|
2170 | requestHttpHeadersHandle: message HTTP request headers created by _Create
|
---|
2171 | requestContent: NULL
|
---|
2172 | statusCode: a pointer to unsigned int which shall be later examined
|
---|
2173 | responseHeadearsHandle: a new instance of HTTP headers
|
---|
2174 | responseContent: a new instance of buffer]
|
---|
2175 | */
|
---|
2176 | else if ((r = HTTPAPIEX_SAS_ExecuteRequest(
|
---|
2177 | deviceData->sasObject,
|
---|
2178 | handleData->httpApiExHandle,
|
---|
2179 | HTTPAPI_REQUEST_GET, /*requestType: GET*/
|
---|
2180 | STRING_c_str(deviceData->messageHTTPrelativePath), /*relativePath: the message HTTP relative path*/
|
---|
2181 | deviceData->messageHTTPrequestHeaders, /*requestHttpHeadersHandle: message HTTP request headers created by _Create*/
|
---|
2182 | NULL, /*requestContent: NULL*/
|
---|
2183 | &statusCode, /*statusCode: a pointer to unsigned int which shall be later examined*/
|
---|
2184 | responseHTTPHeaders, /*responseHeadearsHandle: a new instance of HTTP headers*/
|
---|
2185 | responseContent /*responseContent: a new instance of buffer*/
|
---|
2186 | )) != HTTPAPIEX_OK)
|
---|
2187 | {
|
---|
2188 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_085: [If the call to HTTPAPIEX_SAS_ExecuteRequest did not executed successfully or building any part of the prerequisites of the call fails, then _DoWork shall advance to the next action in this description.] */
|
---|
2189 | LogError("unable to HTTPAPIEX_SAS_ExecuteRequest");
|
---|
2190 | }
|
---|
2191 | if (r == HTTPAPIEX_OK)
|
---|
2192 | {
|
---|
2193 | /*HTTP dialogue was succesfull*/
|
---|
2194 | if (timeNow == (time_t)(-1))
|
---|
2195 | {
|
---|
2196 | deviceData->isFirstPoll = true;
|
---|
2197 | }
|
---|
2198 | else
|
---|
2199 | {
|
---|
2200 | deviceData->isFirstPoll = false;
|
---|
2201 | deviceData->lastPollTime = timeNow;
|
---|
2202 | }
|
---|
2203 | if (statusCode == 204)
|
---|
2204 | {
|
---|
2205 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_086: [If the HTTPAPIEX_SAS_ExecuteRequest executed successfully then status code shall be examined. Any status code different than 200 causes _DoWork to advance to the next action.] */
|
---|
2206 | /*this is an expected status code, means "no commands", but logging that creates panic*/
|
---|
2207 |
|
---|
2208 | /*do nothing, advance to next action*/
|
---|
2209 | }
|
---|
2210 | else if (statusCode != 200)
|
---|
2211 | {
|
---|
2212 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_086: [If the HTTPAPIEX_SAS_ExecuteRequest executed successfully then status code shall be examined. Any status code different than 200 causes _DoWork to advance to the next action.] */
|
---|
2213 | LogError("expected status code was 200, but actually was received %u... moving on", statusCode);
|
---|
2214 | }
|
---|
2215 | else
|
---|
2216 | {
|
---|
2217 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_087: [If status code is 200, then _DoWork shall make a copy of the value of the "ETag" http header.]*/
|
---|
2218 | const char* etagValue = HTTPHeaders_FindHeaderValue(responseHTTPHeaders, "ETag");
|
---|
2219 | if (etagValue == NULL)
|
---|
2220 | {
|
---|
2221 | LogError("unable to find a received header called \"E-Tag\"");
|
---|
2222 | }
|
---|
2223 | else
|
---|
2224 | {
|
---|
2225 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_088: [If no such header is found or is invalid, then _DoWork shall advance to the next action.]*/
|
---|
2226 | size_t etagsize = strlen(etagValue);
|
---|
2227 | if (
|
---|
2228 | (etagsize < 2) ||
|
---|
2229 | (etagValue[0] != '"') ||
|
---|
2230 | (etagValue[etagsize - 1] != '"')
|
---|
2231 | )
|
---|
2232 | {
|
---|
2233 | LogError("ETag is not a valid quoted string");
|
---|
2234 | }
|
---|
2235 | else
|
---|
2236 | {
|
---|
2237 | const unsigned char* resp_content;
|
---|
2238 | size_t resp_len;
|
---|
2239 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_089: [_DoWork shall assemble an IOTHUBMESSAGE_HANDLE from the received HTTP content (using the responseContent buffer).] */
|
---|
2240 | resp_content = BUFFER_u_char(responseContent);
|
---|
2241 | resp_len = BUFFER_length(responseContent);
|
---|
2242 | IOTHUB_MESSAGE_HANDLE receivedMessage = IoTHubMessage_CreateFromByteArray(resp_content, resp_len);
|
---|
2243 | if (receivedMessage == NULL)
|
---|
2244 | {
|
---|
2245 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_092: [If assembling the message fails in any way, then _DoWork shall "abandon" the message.]*/
|
---|
2246 | LogError("unable to IoTHubMessage_CreateFromByteArray, trying to abandon the message... ");
|
---|
2247 | if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
|
---|
2248 | {
|
---|
2249 | LogError("HTTP Transport layer failed to report ABANDON disposition");
|
---|
2250 | }
|
---|
2251 | }
|
---|
2252 | else
|
---|
2253 | {
|
---|
2254 | if (retrieve_message_properties(responseHTTPHeaders, receivedMessage) != 0)
|
---|
2255 | {
|
---|
2256 | if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
|
---|
2257 | {
|
---|
2258 | LogError("HTTP Transport layer failed to report ABANDON disposition");
|
---|
2259 | }
|
---|
2260 | }
|
---|
2261 | else
|
---|
2262 | {
|
---|
2263 | MESSAGE_CALLBACK_INFO* messageData = MESSAGE_CALLBACK_INFO_Create(receivedMessage, handleData, deviceData, etagValue);
|
---|
2264 | if (messageData == NULL)
|
---|
2265 | {
|
---|
2266 | /*Codes_SRS_TRANSPORTMULTITHTTP_10_006: [If assembling the transport context fails, _DoWork shall "abandon" the message.] */
|
---|
2267 | LogError("failed to assemble callback info");
|
---|
2268 | if (!abandonOrAcceptMessage(handleData, deviceData, etagValue, IOTHUBMESSAGE_ABANDONED))
|
---|
2269 | {
|
---|
2270 | LogError("HTTP Transport layer failed to report ABANDON disposition");
|
---|
2271 | }
|
---|
2272 | }
|
---|
2273 | else
|
---|
2274 | {
|
---|
2275 | bool abandon;
|
---|
2276 | if (handleData->transport_callbacks.msg_cb(messageData, deviceData->device_transport_ctx))
|
---|
2277 | {
|
---|
2278 | abandon = false;
|
---|
2279 | }
|
---|
2280 | else
|
---|
2281 | {
|
---|
2282 | LogError("IoTHubClientCore_LL_MessageCallback failed");
|
---|
2283 | abandon = true;
|
---|
2284 | }
|
---|
2285 |
|
---|
2286 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_096: [If IoTHubClientCore_LL_MessageCallback returns false then _DoWork shall "abandon" the message.] */
|
---|
2287 | if (abandon)
|
---|
2288 | {
|
---|
2289 | (void)IoTHubTransportHttp_SendMessageDisposition(messageData, IOTHUBMESSAGE_ABANDONED);
|
---|
2290 | }
|
---|
2291 | }
|
---|
2292 | }
|
---|
2293 | IoTHubMessage_Destroy(receivedMessage);
|
---|
2294 | }
|
---|
2295 | }
|
---|
2296 | }
|
---|
2297 | }
|
---|
2298 | }
|
---|
2299 | BUFFER_delete(responseContent);
|
---|
2300 | }
|
---|
2301 | HTTPHeaders_Free(responseHTTPHeaders);
|
---|
2302 | }
|
---|
2303 | }
|
---|
2304 | else
|
---|
2305 | {
|
---|
2306 | /*isPollingAllowed is false... */
|
---|
2307 | /*do nothing "shall be ignored*/
|
---|
2308 | }
|
---|
2309 | }
|
---|
2310 | }
|
---|
2311 |
|
---|
2312 | static IOTHUB_PROCESS_ITEM_RESULT IoTHubTransportHttp_ProcessItem(TRANSPORT_LL_HANDLE handle, IOTHUB_IDENTITY_TYPE item_type, IOTHUB_IDENTITY_INFO* iothub_item)
|
---|
2313 | {
|
---|
2314 | (void)handle;
|
---|
2315 | (void)item_type;
|
---|
2316 | (void)iothub_item;
|
---|
2317 | LogError("Currently Not Supported.");
|
---|
2318 | return IOTHUB_PROCESS_ERROR;
|
---|
2319 | }
|
---|
2320 |
|
---|
2321 | static void IoTHubTransportHttp_DoWork(TRANSPORT_LL_HANDLE handle)
|
---|
2322 | {
|
---|
2323 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_049: [ If handle is NULL, then IoTHubTransportHttp_DoWork shall do nothing. ]*/
|
---|
2324 | if (handle != NULL)
|
---|
2325 | {
|
---|
2326 | HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
|
---|
2327 | IOTHUB_DEVICE_HANDLE* listItem;
|
---|
2328 | size_t deviceListSize = VECTOR_size(handleData->perDeviceList);
|
---|
2329 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_052: [ IoTHubTransportHttp_DoWork shall perform a round-robin loop through every deviceHandle in the transport device list. ]*/
|
---|
2330 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_050: [ IoTHubTransportHttp_DoWork shall call loop through the device list. ] */
|
---|
2331 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_051: [ IF the list is empty, then IoTHubTransportHttp_DoWork shall do nothing. ]*/
|
---|
2332 | for (size_t i = 0; i < deviceListSize; i++)
|
---|
2333 | {
|
---|
2334 | listItem = (IOTHUB_DEVICE_HANDLE *)VECTOR_element(handleData->perDeviceList, i);
|
---|
2335 | HTTPTRANSPORT_PERDEVICE_DATA* perDeviceItem = *(HTTPTRANSPORT_PERDEVICE_DATA**)(listItem);
|
---|
2336 | DoEvent(handleData, perDeviceItem);
|
---|
2337 | DoMessages(handleData, perDeviceItem);
|
---|
2338 | }
|
---|
2339 | }
|
---|
2340 | else
|
---|
2341 | {
|
---|
2342 | LogError("Invalid Argument NULL call on DoWork.");
|
---|
2343 | }
|
---|
2344 | }
|
---|
2345 |
|
---|
2346 | static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_GetSendStatus(IOTHUB_DEVICE_HANDLE handle, IOTHUB_CLIENT_STATUS *iotHubClientStatus)
|
---|
2347 | {
|
---|
2348 | IOTHUB_CLIENT_RESULT result;
|
---|
2349 |
|
---|
2350 | if (handle == NULL)
|
---|
2351 | {
|
---|
2352 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_111: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_INVALID_ARG if called with NULL parameter. ]*/
|
---|
2353 | result = IOTHUB_CLIENT_INVALID_ARG;
|
---|
2354 | LogError("Invalid handle to IoTHubClient HTTP transport instance.");
|
---|
2355 | }
|
---|
2356 | else if (iotHubClientStatus == NULL)
|
---|
2357 | {
|
---|
2358 | result = IOTHUB_CLIENT_INVALID_ARG;
|
---|
2359 | LogError("Invalid pointer to output parameter IOTHUB_CLIENT_STATUS.");
|
---|
2360 | }
|
---|
2361 | else
|
---|
2362 | {
|
---|
2363 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_138: [ IoTHubTransportHttp_GetSendStatus shall locate deviceHandle in the transport device list by calling list_find_if. ]*/
|
---|
2364 | IOTHUB_DEVICE_HANDLE* listItem = get_perDeviceDataItem(handle);
|
---|
2365 | if (listItem == NULL)
|
---|
2366 | {
|
---|
2367 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_139: [ If the device structure is not found, then this function shall fail and return with IOTHUB_CLIENT_INVALID_ARG. ]*/
|
---|
2368 | result = IOTHUB_CLIENT_INVALID_ARG;
|
---|
2369 | LogError("Device not found in transport list.");
|
---|
2370 | }
|
---|
2371 | else
|
---|
2372 | {
|
---|
2373 | HTTPTRANSPORT_PERDEVICE_DATA* deviceData = (HTTPTRANSPORT_PERDEVICE_DATA*)(*listItem);
|
---|
2374 | /* Codes_SRS_TRANSPORTMULTITHTTP_17_113: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_BUSY if there are currently event items to be sent or being sent. ] */
|
---|
2375 | if (!DList_IsListEmpty(deviceData->waitingToSend))
|
---|
2376 | {
|
---|
2377 | *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_BUSY;
|
---|
2378 | }
|
---|
2379 | /* Codes_SRS_TRANSPORTMULTITHTTP_17_112: [ IoTHubTransportHttp_GetSendStatus shall return IOTHUB_CLIENT_OK and status IOTHUB_CLIENT_SEND_STATUS_IDLE if there are currently no event items to be sent or being sent. ] */
|
---|
2380 | else
|
---|
2381 | {
|
---|
2382 | *iotHubClientStatus = IOTHUB_CLIENT_SEND_STATUS_IDLE;
|
---|
2383 | }
|
---|
2384 | result = IOTHUB_CLIENT_OK;
|
---|
2385 | }
|
---|
2386 | }
|
---|
2387 |
|
---|
2388 | return result;
|
---|
2389 | }
|
---|
2390 |
|
---|
2391 | static IOTHUB_CLIENT_RESULT IoTHubTransportHttp_SetOption(TRANSPORT_LL_HANDLE handle, const char* option, const void* value)
|
---|
2392 | {
|
---|
2393 | IOTHUB_CLIENT_RESULT result;
|
---|
2394 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_114: [If handle parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
|
---|
2395 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_115: [If option parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
|
---|
2396 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_116: [If value parameter is NULL then IoTHubTransportHttp_SetOption shall return IOTHUB_CLIENT_INVALID_ARG.] */
|
---|
2397 | if (
|
---|
2398 | (handle == NULL) ||
|
---|
2399 | (option == NULL) ||
|
---|
2400 | (value == NULL)
|
---|
2401 | )
|
---|
2402 | {
|
---|
2403 | result = IOTHUB_CLIENT_INVALID_ARG;
|
---|
2404 | LogError("invalid parameter (NULL) passed to IoTHubTransportHttp_SetOption");
|
---|
2405 | }
|
---|
2406 | else
|
---|
2407 | {
|
---|
2408 | HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
|
---|
2409 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_120: ["Batching"] */
|
---|
2410 | if (strcmp(OPTION_BATCHING, option) == 0)
|
---|
2411 | {
|
---|
2412 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_117: [If optionName is an option handled by IoTHubTransportHttp then it shall be set.] */
|
---|
2413 | handleData->doBatchedTransfers = *(bool*)value;
|
---|
2414 | result = IOTHUB_CLIENT_OK;
|
---|
2415 | }
|
---|
2416 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_121: ["MinimumPollingTime"] */
|
---|
2417 | else if (strcmp(OPTION_MIN_POLLING_TIME, option) == 0)
|
---|
2418 | {
|
---|
2419 | handleData->getMinimumPollingTime = *(unsigned int*)value;
|
---|
2420 | result = IOTHUB_CLIENT_OK;
|
---|
2421 | }
|
---|
2422 | else
|
---|
2423 | {
|
---|
2424 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_126: [ "TrustedCerts"] */
|
---|
2425 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_127: [ NULL shall be allowed. ]*/
|
---|
2426 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_129: [ This option shall passed down to the lower layer by calling HTTPAPIEX_SetOption. ]*/
|
---|
2427 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_118: [Otherwise, IoTHubTransport_Http shall call HTTPAPIEX_SetOption with the same parameters and return the translated code.] */
|
---|
2428 | HTTPAPIEX_RESULT HTTPAPIEX_result = HTTPAPIEX_SetOption(handleData->httpApiExHandle, option, value);
|
---|
2429 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_119: [The following table translates HTTPAPIEX return codes to IOTHUB_CLIENT_RESULT return codes:] */
|
---|
2430 | if (HTTPAPIEX_result == HTTPAPIEX_OK)
|
---|
2431 | {
|
---|
2432 | result = IOTHUB_CLIENT_OK;
|
---|
2433 | }
|
---|
2434 | else if (HTTPAPIEX_result == HTTPAPIEX_INVALID_ARG)
|
---|
2435 | {
|
---|
2436 | result = IOTHUB_CLIENT_INVALID_ARG;
|
---|
2437 | LogError("HTTPAPIEX_SetOption failed");
|
---|
2438 | }
|
---|
2439 | else
|
---|
2440 | {
|
---|
2441 | result = IOTHUB_CLIENT_ERROR;
|
---|
2442 | LogError("HTTPAPIEX_SetOption failed");
|
---|
2443 | }
|
---|
2444 | }
|
---|
2445 | }
|
---|
2446 | return result;
|
---|
2447 | }
|
---|
2448 |
|
---|
2449 | static STRING_HANDLE IoTHubTransportHttp_GetHostname(TRANSPORT_LL_HANDLE handle)
|
---|
2450 | {
|
---|
2451 | STRING_HANDLE result;
|
---|
2452 | /*Codes_SRS_TRANSPORTMULTITHTTP_02_001: [ If handle is NULL then IoTHubTransportHttp_GetHostname shall fail and return NULL. ]*/
|
---|
2453 | if (handle == NULL)
|
---|
2454 | {
|
---|
2455 | LogError("invalid parameter handle=%p", handle);
|
---|
2456 | result = NULL;
|
---|
2457 | }
|
---|
2458 | /*Codes_SRS_TRANSPORTMULTITHTTP_02_002: [ Otherwise IoTHubTransportHttp_GetHostname shall return a non-NULL STRING_HANDLE containing the hostname. ]*/
|
---|
2459 | else if ((result = STRING_clone(((HTTPTRANSPORT_HANDLE_DATA*)(handle))->hostName)) == NULL)
|
---|
2460 | {
|
---|
2461 | LogError("Cannot provide the target host name (STRING_clone failed).");
|
---|
2462 | }
|
---|
2463 |
|
---|
2464 | return result;
|
---|
2465 | }
|
---|
2466 |
|
---|
2467 | static int IoTHubTransportHttp_SetRetryPolicy(TRANSPORT_LL_HANDLE handle, IOTHUB_CLIENT_RETRY_POLICY retryPolicy, size_t retryTimeoutLimitInSeconds)
|
---|
2468 | {
|
---|
2469 | int result;
|
---|
2470 | (void)handle;
|
---|
2471 | (void)retryPolicy;
|
---|
2472 | (void)retryTimeoutLimitInSeconds;
|
---|
2473 |
|
---|
2474 | /* Retry Policy is not currently not available for HTTP */
|
---|
2475 |
|
---|
2476 | result = 0;
|
---|
2477 | return result;
|
---|
2478 | }
|
---|
2479 |
|
---|
2480 | static int IotHubTransportHttp_Subscribe_InputQueue(IOTHUB_DEVICE_HANDLE handle)
|
---|
2481 | {
|
---|
2482 | (void)handle;
|
---|
2483 | LogError("HTTP does not support input queues");
|
---|
2484 | return MU_FAILURE;
|
---|
2485 | }
|
---|
2486 |
|
---|
2487 | static void IotHubTransportHttp_Unsubscribe_InputQueue(IOTHUB_DEVICE_HANDLE handle)
|
---|
2488 | {
|
---|
2489 | (void)handle;
|
---|
2490 | LogError("HTTP does not support input queues");
|
---|
2491 | }
|
---|
2492 |
|
---|
2493 | int IoTHubTransportHttp_SetCallbackContext(TRANSPORT_LL_HANDLE handle, void* ctx)
|
---|
2494 | {
|
---|
2495 | int result;
|
---|
2496 | if (handle == NULL)
|
---|
2497 | {
|
---|
2498 | LogError("Invalid parameter specified handle: %p", handle);
|
---|
2499 | result = MU_FAILURE;
|
---|
2500 | }
|
---|
2501 | else
|
---|
2502 | {
|
---|
2503 | HTTPTRANSPORT_HANDLE_DATA* handleData = (HTTPTRANSPORT_HANDLE_DATA*)handle;
|
---|
2504 | handleData->transport_ctx = ctx;
|
---|
2505 | result = 0;
|
---|
2506 | }
|
---|
2507 | return result;
|
---|
2508 | }
|
---|
2509 |
|
---|
2510 | /*Codes_SRS_TRANSPORTMULTITHTTP_17_125: [This function shall return a pointer to a structure of type TRANSPORT_PROVIDER having the following values for its fields:] */
|
---|
2511 | static TRANSPORT_PROVIDER thisTransportProvider =
|
---|
2512 | {
|
---|
2513 | IoTHubTransportHttp_SendMessageDisposition, /*pfIotHubTransport_SendMessageDisposition IoTHubTransport_SendMessageDisposition;*/
|
---|
2514 | IoTHubTransportHttp_Subscribe_DeviceMethod, /*pfIoTHubTransport_Subscribe_DeviceMethod IoTHubTransport_Subscribe_DeviceMethod;*/
|
---|
2515 | IoTHubTransportHttp_Unsubscribe_DeviceMethod, /*pfIoTHubTransport_Unsubscribe_DeviceMethod IoTHubTransport_Unsubscribe_DeviceMethod;*/
|
---|
2516 | IoTHubTransportHttp_DeviceMethod_Response, /*pfIoTHubTransport_DeviceMethod_Response IoTHubTransport_DeviceMethod_Response;*/
|
---|
2517 | IoTHubTransportHttp_Subscribe_DeviceTwin, /*pfIoTHubTransport_Subscribe_DeviceTwin IoTHubTransport_Subscribe_DeviceTwin;*/
|
---|
2518 | IoTHubTransportHttp_Unsubscribe_DeviceTwin, /*pfIoTHubTransport_Unsubscribe_DeviceTwin IoTHubTransport_Unsubscribe_DeviceTwin;*/
|
---|
2519 | IoTHubTransportHttp_ProcessItem, /*pfIoTHubTransport_ProcessItem IoTHubTransport_ProcessItem;*/
|
---|
2520 | IoTHubTransportHttp_GetHostname, /*pfIoTHubTransport_GetHostname IoTHubTransport_GetHostname;*/
|
---|
2521 | IoTHubTransportHttp_SetOption, /*pfIoTHubTransport_SetOption IoTHubTransport_SetOption;*/
|
---|
2522 | IoTHubTransportHttp_Create, /*pfIoTHubTransport_Create IoTHubTransport_Create;*/
|
---|
2523 | IoTHubTransportHttp_Destroy, /*pfIoTHubTransport_Destroy IoTHubTransport_Destroy;*/
|
---|
2524 | IoTHubTransportHttp_Register, /*pfIotHubTransport_Register IoTHubTransport_Register;*/
|
---|
2525 | IoTHubTransportHttp_Unregister, /*pfIotHubTransport_Unregister IoTHubTransport_Unegister;*/
|
---|
2526 | IoTHubTransportHttp_Subscribe, /*pfIoTHubTransport_Subscribe IoTHubTransport_Subscribe;*/
|
---|
2527 | IoTHubTransportHttp_Unsubscribe, /*pfIoTHubTransport_Unsubscribe IoTHubTransport_Unsubscribe;*/
|
---|
2528 | IoTHubTransportHttp_DoWork, /*pfIoTHubTransport_DoWork IoTHubTransport_DoWork;*/
|
---|
2529 | IoTHubTransportHttp_SetRetryPolicy, /*pfIoTHubTransport_DoWork IoTHubTransport_SetRetryPolicy;*/
|
---|
2530 | IoTHubTransportHttp_GetSendStatus, /*pfIoTHubTransport_GetSendStatus IoTHubTransport_GetSendStatus;*/
|
---|
2531 | IotHubTransportHttp_Subscribe_InputQueue, /*pfIoTHubTransport_Subscribe_InputQueue IoTHubTransport_Subscribe_InputQueue; */
|
---|
2532 | IotHubTransportHttp_Unsubscribe_InputQueue, /*pfIoTHubTransport_Unsubscribe_InputQueue IoTHubTransport_Unsubscribe_InputQueue; */
|
---|
2533 | IoTHubTransportHttp_SetCallbackContext, /*pfIoTHubTransport_SetTransportCallbacks IoTHubTransport_SetTransportCallbacks; */
|
---|
2534 | IoTHubTransportHttp_GetTwinAsync /*pfIoTHubTransport_GetTwinAsync IoTHubTransport_GetTwinAsync;*/
|
---|
2535 | };
|
---|
2536 |
|
---|
2537 | const TRANSPORT_PROVIDER* HTTP_Protocol(void)
|
---|
2538 | {
|
---|
2539 | return &thisTransportProvider;
|
---|
2540 | }
|
---|