1 | #include <GSM3ShieldV1ServerProvider.h>
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2 | #include <GSM3ShieldV1ModemCore.h>
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3 | #include <Arduino.h>
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4 |
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5 | GSM3ShieldV1ServerProvider::GSM3ShieldV1ServerProvider()
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6 | {
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7 | theGSM3MobileServerProvider=this;
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8 | };
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9 |
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10 | //Response management.
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11 | void GSM3ShieldV1ServerProvider::manageResponse(byte from, byte to)
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12 | {
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13 | switch(theGSM3ShieldV1ModemCore.getOngoingCommand())
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14 | {
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15 | case NONE:
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16 | theGSM3ShieldV1ModemCore.gss.cb.deleteToTheEnd(from);
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17 | break;
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18 | case CONNECTSERVER:
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19 | connectTCPServerContinue();
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20 | break;
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21 | /*case GETIP:
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22 | getIPContinue();
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23 | break;*/
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24 | }
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25 | }
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26 |
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27 | //Connect Server main function.
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28 | int GSM3ShieldV1ServerProvider::connectTCPServer(int port)
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29 | {
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30 | // We forget about LocalIP as it has no real use, the modem does whatever it likes
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31 | theGSM3ShieldV1ModemCore.setPort(port);
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32 | theGSM3ShieldV1ModemCore.openCommand(this,CONNECTSERVER);
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33 | // From this moment on we wait for a call
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34 | connectTCPServerContinue();
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35 | return theGSM3ShieldV1ModemCore.getCommandError();
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36 | }
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37 |
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38 | //Connect Server continue function.
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39 | void GSM3ShieldV1ServerProvider::connectTCPServerContinue()
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40 | {
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41 |
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42 | bool resp;
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43 | // 1: Read Local IP "AT+QILOCIP"
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44 | // 2: Waiting for IP and Set local port "AT+QILPORT"
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45 | // 3: Waiting for QILPOR OK andConfigure as server "AT+QISERVER"
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46 | // 4: Wait for SERVER OK
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47 |
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48 | switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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49 | case 1:
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50 | //"AT+QILOCIP."
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51 | theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QILOCIP"));
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52 | theGSM3ShieldV1ModemCore.setCommandCounter(2);
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53 | break;
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54 | case 2:
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55 | //Not IP storing but the command is necessary.
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56 | //if(parseQILOCIP_rsp(local_IP, local_IP_Length, resp))
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57 | // This awful trick saves some RAM bytes
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58 | char aux[3];
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59 | aux[0]='\r';aux[1]='\n';aux[2]=0;
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60 | if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp, aux))
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61 | {
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62 | //Response received
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63 | if(resp)
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64 | {
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65 | // Great. Go for the next step
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66 | // AT+QILPORT
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67 | theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QILPORT=\"TCP\","),false);
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68 | theGSM3ShieldV1ModemCore.print( theGSM3ShieldV1ModemCore.getPort());
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69 | theGSM3ShieldV1ModemCore.print('\r');
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70 | theGSM3ShieldV1ModemCore.setCommandCounter(3);
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71 | }
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72 | else theGSM3ShieldV1ModemCore.closeCommand(3);
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73 | }
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74 | break;
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75 | case 3:
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76 | if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
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77 | {
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78 | // Response received
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79 | if(resp)
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80 | {
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81 | // OK received
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82 | // Great. Go for the next step
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83 | // AT+QISERVER
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84 | theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QISERVER"),true);
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85 | theGSM3ShieldV1ModemCore.setCommandCounter(4);
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86 | }
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87 | else theGSM3ShieldV1ModemCore.closeCommand(3);
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88 | }
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89 | break;
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90 | case 4:
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91 | if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
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92 | {
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93 | // Response received
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94 | // OK received, kathapoon, chessespoon
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95 | if (resp)
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96 | {
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97 | theGSM3ShieldV1ModemCore.registerUMProvider(this);
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98 | theGSM3ShieldV1ModemCore.closeCommand(1);
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99 | }
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100 | else
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101 | theGSM3ShieldV1ModemCore.closeCommand(3);
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102 | }
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103 | break;
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104 | }
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105 | }
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106 |
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107 | //QILOCIP parse.
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108 | /*bool GSM3ShieldV1ServerProvider::parseQILOCIP_rsp(char* LocalIP, int LocalIPlength, bool& rsp)
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109 | {
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110 | if (!(theGSM3ShieldV1ModemCore.theBuffer().extractSubstring("\r\n","\r\n", LocalIP, LocalIPlength)))
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111 | rsp = false;
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112 | else
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113 | rsp = true;
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114 | return true;
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115 | }
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116 |
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117 | //Get IP main function.
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118 | int GSM3ShieldV1ServerProvider::getIP(char* LocalIP, int LocalIPlength)
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119 | {
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120 | theGSM3ShieldV1ModemCore.setPhoneNumber(LocalIP);
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121 | theGSM3ShieldV1ModemCore.setPort(LocalIPlength);
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122 | theGSM3ShieldV1ModemCore.openCommand(this,GETIP);
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123 | getIPContinue();
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124 | return theGSM3ShieldV1ModemCore.getCommandError();
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125 | }
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126 |
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127 | void GSM3ShieldV1ServerProvider::getIPContinue()
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128 | {
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129 |
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130 | bool resp;
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131 | // 1: Read Local IP "AT+QILOCIP"
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132 | // 2: Waiting for IP.
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133 |
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134 | switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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135 | case 1:
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136 | //AT+QILOCIP
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137 | theGSM3ShieldV1ModemCore.genericCommand_rq(_command_MonoQILOCIP);
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138 | theGSM3ShieldV1ModemCore.setCommandCounter(2);
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139 | break;
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140 | case 2:
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141 | if(parseQILOCIP_rsp(theGSM3ShieldV1ModemCore.getPhoneNumber(), theGSM3ShieldV1ModemCore.getPort(), resp))
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142 | {
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143 | if (resp)
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144 | theGSM3ShieldV1ModemCore.closeCommand(1);
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145 | else
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146 | theGSM3ShieldV1ModemCore.closeCommand(3);
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147 | }
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148 | theGSM3ShieldV1ModemCore.theBuffer().flush();
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149 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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150 | break;
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151 | }
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152 | }*/
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153 |
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154 | bool GSM3ShieldV1ServerProvider::getSocketAsServerModemStatus(int s)
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155 | {
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156 | if(theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED)
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157 | return true;
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158 | else
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159 | return false;
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160 | }
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161 |
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162 |
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163 | //URC recognize.
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164 | bool GSM3ShieldV1ServerProvider::recognizeUnsolicitedEvent(byte oldTail)
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165 | {
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166 |
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167 | int nlength;
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168 | char auxLocate [15];
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169 |
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170 | //REMOTE SOCKET CLOSED.
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171 | prepareAuxLocate(PSTR("CLOSED\r\n"), auxLocate);
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172 | if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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173 | {
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174 | //To detect remote socket closed for example inside socket data.
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175 | theGSM3ShieldV1ModemCore.setStatus(GPRS_READY);
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176 | }
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177 |
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178 |
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179 | //REMOTE SOCKET ACCEPTED.
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180 | prepareAuxLocate(PSTR("CONNECT\r\n"), auxLocate);
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181 | if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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182 | {
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183 | //To detect remote socket closed for example inside socket data.
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184 | theGSM3ShieldV1ModemCore.theBuffer().chopUntil(auxLocate, true);
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185 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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186 | theGSM3ShieldV1ModemCore.setStatus(TRANSPARENT_CONNECTED);
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187 | return true;
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188 | }
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189 |
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190 | return false;
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191 | }
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192 |
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193 | bool GSM3ShieldV1ServerProvider::getStatusSocketAsServer(uint8_t socket)
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194 | {
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195 | return(theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED);
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196 | };
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197 |
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198 | void GSM3ShieldV1ServerProvider::releaseSocket(int socket)
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199 | {
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200 | }
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201 |
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202 | int GSM3ShieldV1ServerProvider::getNewOccupiedSocketAsServer()
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203 | {
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204 | return 0;
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205 | }
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