1 | /**
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2 | * @file
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3 | * Sockets stresstest
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4 | *
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5 | * This file uses the lwIP socket API to do stress tests that should test the
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6 | * stability when used in many different situations, with many concurrent
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7 | * sockets making concurrent transfers in different manners.
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8 | *
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9 | * - test rely on loopback sockets for now, so netif drivers are not tested
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10 | * - all enabled functions shall be used
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11 | * - parallelism of the tests depend on enough resources being available
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12 | * (configure your lwipopts.h settings high enough)
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13 | * - test should also be able to run in a real target
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14 | *
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15 | * TODO:
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16 | * - full duplex
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17 | * - add asserts about internal socket/netconn/pcb state?
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18 | */
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19 |
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20 | /*
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21 | * Copyright (c) 2017 Simon Goldschmidt
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22 | * All rights reserved.
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23 | *
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24 | * Redistribution and use in source and binary forms, with or without modification,
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25 | * are permitted provided that the following conditions are met:
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26 | *
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27 | * 1. Redistributions of source code must retain the above copyright notice,
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28 | * this list of conditions and the following disclaimer.
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29 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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30 | * this list of conditions and the following disclaimer in the documentation
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31 | * and/or other materials provided with the distribution.
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32 | * 3. The name of the author may not be used to endorse or promote products
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33 | * derived from this software without specific prior written permission.
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34 | *
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35 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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37 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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38 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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39 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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40 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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41 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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42 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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43 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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44 | * OF SUCH DAMAGE.
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45 | *
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46 | * This file is part of the lwIP TCP/IP stack.
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47 | *
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48 | * Author: Simon Goldschmidt <goldsimon@gmx.de>
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49 | *
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50 | */
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51 |
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52 | #include "lwip/opt.h"
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53 | #include "sockets_stresstest.h"
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54 |
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55 | #include "lwip/sockets.h"
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56 | #include "lwip/sys.h"
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57 |
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58 | #include "lwip/mem.h"
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59 |
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60 | #include <stdio.h>
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61 | #include <string.h>
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62 |
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63 | #if LWIP_SOCKET && LWIP_IPV4 /* this uses IPv4 loopback sockets, currently */
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64 |
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65 | #ifndef TEST_SOCKETS_STRESS
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66 | #define TEST_SOCKETS_STRESS LWIP_DBG_OFF
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67 | #endif
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68 |
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69 | #define TEST_TIME_SECONDS 10
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70 | #define TEST_TXRX_BUFSIZE (TCP_MSS * 2)
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71 | #define TEST_MAX_RXWAIT_MS 50
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72 | #define TEST_MAX_CONNECTIONS 50
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73 |
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74 | #define TEST_SOCK_READABLE 0x01
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75 | #define TEST_SOCK_WRITABLE 0x02
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76 | #define TEST_SOCK_ERR 0x04
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77 |
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78 | #define TEST_MODE_SELECT 0x01
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79 | #define TEST_MODE_POLL 0x02
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80 | #define TEST_MODE_NONBLOCKING 0x04
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81 | #define TEST_MODE_WAIT 0x08
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82 | #define TEST_MODE_RECVTIMEO 0x10
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83 | #define TEST_MODE_SLEEP 0x20
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84 |
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85 | static int sockets_stresstest_numthreads;
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86 |
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87 | struct test_settings {
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88 | struct sockaddr_storage addr;
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89 | int start_client;
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90 | int loop_cnt;
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91 | };
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92 |
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93 | struct sockets_stresstest_fullduplex {
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94 | int s;
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95 | volatile int closed;
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96 | };
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97 |
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98 | static void
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99 | fill_test_data(void *buf, size_t buf_len_bytes)
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100 | {
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101 | u8_t *p = (u8_t*)buf;
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102 | u16_t i, chk;
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103 |
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104 | LWIP_ASSERT("buffer too short", buf_len_bytes >= 4);
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105 | LWIP_ASSERT("buffer too big", buf_len_bytes <= 0xFFFF);
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106 | /* store the total number of bytes */
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107 | p[0] = (u8_t)(buf_len_bytes >> 8);
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108 | p[1] = (u8_t)buf_len_bytes;
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109 |
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110 | /* fill buffer with random */
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111 | chk = 0;
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112 | for (i = 4; i < buf_len_bytes; i++) {
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113 | u8_t rnd = (u8_t)LWIP_RAND();
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114 | p[i] = rnd;
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115 | chk += rnd;
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116 | }
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117 | /* store checksum */
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118 | p[2] = (u8_t)(chk >> 8);
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119 | p[3] = (u8_t)chk;
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120 | }
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121 |
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122 | static size_t
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123 | check_test_data(const void *buf, size_t buf_len_bytes)
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124 | {
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125 | u8_t *p = (u8_t*)buf;
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126 | u16_t i, chk, chk_rx, len_rx;
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127 |
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128 | LWIP_ASSERT("buffer too short", buf_len_bytes >= 4);
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129 | len_rx = (((u16_t)p[0]) << 8) | p[1];
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130 | LWIP_ASSERT("len too short", len_rx >= 4);
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131 | if (len_rx > buf_len_bytes) {
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132 | /* not all data received in this segment */
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133 | LWIP_DEBUGF(TEST_SOCKETS_STRESS | LWIP_DBG_TRACE, ("check-\n"));
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134 | return buf_len_bytes;
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135 | }
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136 | chk_rx = (((u16_t)p[2]) << 8) | p[3];
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137 | /* calculate received checksum */
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138 | chk = 0;
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139 | for (i = 4; i < len_rx; i++) {
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140 | chk += p[i];
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141 | }
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142 | LWIP_ASSERT("invalid checksum", chk == chk_rx);
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143 | if (len_rx < buf_len_bytes) {
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144 | size_t data_left = buf_len_bytes - len_rx;
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145 | memmove(p, &p[len_rx], data_left);
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146 | return data_left;
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147 | }
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148 | /* if we come here, we received exactly one chunk
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149 | -> next offset is 0 */
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150 | return 0;
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151 | }
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152 |
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153 | static size_t
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154 | recv_and_check_data_return_offset(int s, char *rxbuf, size_t rxbufsize, size_t rxoff, int *closed, const char *dbg)
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155 | {
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156 | ssize_t ret;
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157 |
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158 | ret = lwip_read(s, &rxbuf[rxoff], rxbufsize - rxoff);
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159 | if (ret == 0) {
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160 | *closed = 1;
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161 | return rxoff;
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162 | }
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163 | *closed = 0;
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164 | LWIP_DEBUGF(TEST_SOCKETS_STRESS | LWIP_DBG_TRACE, ("%s %d rx %d\n", dbg, s, (int)ret));
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165 | if (ret == -1) {
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166 | /* TODO: for this to work, 'errno' has to support multithreading... */
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167 | int err = errno;
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168 | if (err == ENOTCONN) {
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169 | *closed = 1;
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170 | return 0;
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171 | }
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172 | LWIP_ASSERT("err == 0", err == 0);
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173 | }
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174 | LWIP_ASSERT("ret > 0", ret > 0);
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175 | return check_test_data(rxbuf, rxoff + ret);
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176 | }
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177 |
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178 | #if LWIP_SOCKET_SELECT
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179 | static int
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180 | sockets_stresstest_wait_readable_select(int s, int timeout_ms)
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181 | {
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182 | int ret;
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183 | struct timeval tv;
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184 | fd_set fs_r;
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185 | fd_set fs_w;
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186 | fd_set fs_e;
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187 |
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188 | FD_ZERO(&fs_r);
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189 | FD_ZERO(&fs_w);
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190 | FD_ZERO(&fs_e);
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191 |
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192 | FD_SET(s, &fs_r);
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193 | FD_SET(s, &fs_e);
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194 |
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195 | tv.tv_sec = timeout_ms / 1000;
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196 | tv.tv_usec = (timeout_ms - (tv.tv_sec * 1000)) * 1000;
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197 | ret = lwip_select(s + 1, &fs_r, &fs_w, &fs_e, &tv);
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198 | LWIP_ASSERT("select error", ret >= 0);
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199 | if (ret) {
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200 | /* convert poll flags to our flags */
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201 | ret = 0;
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202 | if (FD_ISSET(s, &fs_r)) {
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203 | ret |= TEST_SOCK_READABLE;
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204 | }
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205 | if (FD_ISSET(s, &fs_w)) {
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206 | ret |= TEST_SOCK_WRITABLE;
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207 | }
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208 | if (FD_ISSET(s, &fs_e)) {
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209 | ret |= TEST_SOCK_ERR;
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210 | }
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211 | return ret;
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212 | }
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213 | return 0;
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214 | }
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215 | #endif
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216 |
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217 | #if LWIP_SOCKET_POLL
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218 | static int
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219 | sockets_stresstest_wait_readable_poll(int s, int timeout_ms)
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220 | {
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221 | int ret;
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222 | struct pollfd pfd;
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223 |
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224 | pfd.fd = s;
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225 | pfd.revents = 0;
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226 | pfd.events = POLLIN | POLLERR;
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227 |
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228 | ret = lwip_poll(&pfd, 1, timeout_ms);
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229 | if (ret) {
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230 | /* convert poll flags to our flags */
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231 | ret = 0;
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232 | if (pfd.revents & POLLIN) {
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233 | ret |= TEST_SOCK_READABLE;
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234 | }
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235 | if (pfd.revents & POLLOUT) {
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236 | ret |= TEST_SOCK_WRITABLE;
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237 | }
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238 | if (pfd.revents & POLLERR) {
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239 | ret |= TEST_SOCK_ERR;
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240 | }
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241 | return ret;
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242 | }
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243 | return 0;
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244 | }
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245 | #endif
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246 |
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247 | #if LWIP_SO_RCVTIMEO
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248 | static int
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249 | sockets_stresstest_wait_readable_recvtimeo(int s, int timeout_ms)
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250 | {
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251 | int ret;
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252 | char buf;
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253 | #if LWIP_SO_SNDRCVTIMEO_NONSTANDARD
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254 | int opt_on = timeout_ms;
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255 | int opt_off = 0;
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256 | #else
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257 | struct timeval opt_on, opt_off;
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258 | opt_on.tv_sec = timeout_ms / 1000;
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259 | opt_on.tv_usec = (timeout_ms - (opt_on.tv_sec * 1000)) * 1000;
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260 | opt_off.tv_sec = 0;
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261 | opt_off.tv_usec = 0;
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262 | #endif
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263 |
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264 | /* enable receive timeout */
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265 | ret = lwip_setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &opt_on, sizeof(opt_on));
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266 | LWIP_ASSERT("setsockopt error", ret == 0);
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267 |
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268 | /* peek for one byte with timeout */
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269 | ret = lwip_recv(s, &buf, 1, MSG_PEEK);
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270 |
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271 | /* disable receive timeout */
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272 | ret = lwip_setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &opt_off, sizeof(opt_off));
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273 | LWIP_ASSERT("setsockopt error", ret == 0);
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274 |
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275 | if (ret == 1) {
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276 | return TEST_SOCK_READABLE;
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277 | }
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278 | if (ret == 0) {
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279 | return 0;
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280 | }
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281 | if (ret == -1) {
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282 | return TEST_SOCK_ERR;
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283 | }
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284 | LWIP_ASSERT("invalid return value", 0);
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285 | return TEST_SOCK_ERR;
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286 | }
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287 | #endif
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288 |
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289 | static int
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290 | sockets_stresstest_wait_readable_wait_peek(int s, int timeout_ms)
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291 | {
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292 | int ret;
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293 | char buf;
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294 |
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295 | LWIP_UNUSED_ARG(timeout_ms); /* cannot time out here */
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296 |
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297 | /* peek for one byte */
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298 | ret = lwip_recv(s, &buf, 1, MSG_PEEK);
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299 |
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300 | if (ret == 1) {
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301 | return TEST_SOCK_READABLE;
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302 | }
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303 | if (ret == 0) {
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304 | return 0;
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305 | }
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306 | if (ret == -1) {
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307 | return TEST_SOCK_ERR;
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308 | }
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309 | LWIP_ASSERT("invalid return value", 0);
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310 | return TEST_SOCK_ERR;
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311 | }
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312 |
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313 | static int
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314 | sockets_stresstest_wait_readable_nonblock(int s, int timeout_ms)
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315 | {
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316 | int ret;
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317 | char buf;
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318 | u32_t wait_until = sys_now() + timeout_ms;
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319 |
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320 | while(sys_now() < wait_until) {
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321 | /* peek for one byte */
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322 | ret = lwip_recv(s, &buf, 1, MSG_PEEK | MSG_DONTWAIT);
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323 |
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324 | if (ret == 1) {
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325 | return TEST_SOCK_READABLE;
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326 | }
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327 | if (ret == -1) {
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328 | /* TODO: for this to work, 'errno' has to support multithreading... */
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329 | int err = errno;
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330 | if (err != EWOULDBLOCK) {
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331 | return TEST_SOCK_ERR;
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332 | }
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333 | }
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334 | /* TODO: sleep? */
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335 | }
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336 | return 0;
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337 | }
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338 |
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339 | static int sockets_stresstest_rand_mode(int allow_wait, int allow_rx)
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340 | {
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341 | u32_t random_value = LWIP_RAND();
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342 | #if LWIP_SOCKET_SELECT
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343 | if (random_value & TEST_MODE_SELECT) {
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344 | return TEST_MODE_SELECT;
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345 | }
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346 | #endif
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347 | #if LWIP_SOCKET_POLL
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348 | if (random_value & TEST_MODE_POLL) {
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349 | return TEST_MODE_POLL;
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350 | }
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351 | #endif
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352 | if (!allow_rx) {
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353 | return TEST_MODE_SLEEP;
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354 | }
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355 | #if LWIP_SO_RCVTIMEO
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356 | if (random_value & TEST_MODE_RECVTIMEO) {
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357 | return TEST_MODE_RECVTIMEO;
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358 | }
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359 | #endif
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360 | if (allow_wait) {
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361 | if (random_value & TEST_MODE_RECVTIMEO) {
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362 | return TEST_MODE_RECVTIMEO;
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363 | }
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364 | }
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365 | return TEST_MODE_NONBLOCKING;
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366 | }
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367 |
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368 | static int
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369 | sockets_stresstest_wait_readable(int mode, int s, int timeout_ms)
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370 | {
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371 | switch(mode)
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372 | {
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373 | #if LWIP_SOCKET_SELECT
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374 | case TEST_MODE_SELECT:
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375 | return sockets_stresstest_wait_readable_select(s, timeout_ms);
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376 | #endif
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377 | #if LWIP_SOCKET_POLL
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378 | case TEST_MODE_POLL:
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379 | return sockets_stresstest_wait_readable_poll(s, timeout_ms);
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380 | #endif
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381 | #if LWIP_SO_RCVTIMEO
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382 | case TEST_MODE_RECVTIMEO:
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383 | return sockets_stresstest_wait_readable_recvtimeo(s, timeout_ms);
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384 | #endif
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385 | case TEST_MODE_WAIT:
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386 | return sockets_stresstest_wait_readable_wait_peek(s, timeout_ms);
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387 | case TEST_MODE_NONBLOCKING:
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388 | return sockets_stresstest_wait_readable_nonblock(s, timeout_ms);
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389 | case TEST_MODE_SLEEP:
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390 | {
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391 | sys_msleep(timeout_ms);
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392 | return 1;
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393 | }
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394 | default:
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395 | LWIP_ASSERT("invalid mode", 0);
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396 | break;
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397 | }
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398 | return 0;
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399 | }
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400 |
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401 | #if LWIP_NETCONN_FULLDUPLEX
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402 | static void
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403 | sockets_stresstest_conn_client_r(void *arg)
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404 | {
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405 | struct sockets_stresstest_fullduplex *fd = (struct sockets_stresstest_fullduplex *)arg;
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406 | int s = fd->s;
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407 | size_t rxoff = 0;
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408 | char rxbuf[TEST_TXRX_BUFSIZE];
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409 |
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410 | while (1) {
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411 | int closed;
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412 | if (fd->closed) {
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413 | break;
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414 | }
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415 | rxoff = recv_and_check_data_return_offset(s, rxbuf, sizeof(rxbuf), rxoff, &closed, "cli");
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416 | if (fd->closed) {
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417 | break;
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418 | }
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419 | if (closed) {
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420 | lwip_close(s);
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421 | break;
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422 | }
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423 | }
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424 |
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425 | SYS_ARCH_DEC(sockets_stresstest_numthreads, 1);
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426 | LWIP_ASSERT("", sockets_stresstest_numthreads >= 0);
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427 | }
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428 | #endif
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429 |
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430 | static void
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431 | sockets_stresstest_conn_client(void *arg)
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432 | {
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433 | struct sockaddr_storage addr;
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434 | struct sockaddr_in *addr_in;
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435 | int s, ret;
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436 | char txbuf[TEST_TXRX_BUFSIZE];
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437 | char rxbuf[TEST_TXRX_BUFSIZE];
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438 | size_t rxoff = 0;
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439 | u32_t max_time = sys_now() + (TEST_TIME_SECONDS * 1000);
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440 | int do_rx = 1;
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441 | struct sockets_stresstest_fullduplex *data = NULL;
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442 |
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443 | memcpy(&addr, arg, sizeof(addr));
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444 | LWIP_ASSERT("", addr.ss_family == AF_INET);
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445 | addr_in = (struct sockaddr_in *)&addr;
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446 | addr_in->sin_addr.s_addr = inet_addr("127.0.0.1");
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447 |
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448 | /* sleep a random time between 1 and 2 seconds */
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449 | sys_msleep(1000 + (LWIP_RAND() % 1000));
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450 |
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451 | /* connect to the server */
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452 | s = lwip_socket(addr.ss_family, SOCK_STREAM, 0);
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453 | LWIP_ASSERT("s >= 0", s >= 0);
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454 |
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455 | #if LWIP_NETCONN_FULLDUPLEX
|
---|
456 | if (LWIP_RAND() & 1) {
|
---|
457 | sys_thread_t t;
|
---|
458 | data = (struct sockets_stresstest_fullduplex*)mem_malloc(sizeof(struct sockets_stresstest_fullduplex));
|
---|
459 | LWIP_ASSERT("data != NULL", data != 0);
|
---|
460 | SYS_ARCH_INC(sockets_stresstest_numthreads, 1);
|
---|
461 | data->s = s;
|
---|
462 | data->closed = 0;
|
---|
463 | t = sys_thread_new("sockets_stresstest_conn_client_r", sockets_stresstest_conn_client_r, data, 0, 0);
|
---|
464 | LWIP_ASSERT("thread != NULL", t != 0);
|
---|
465 | do_rx = 0;
|
---|
466 | }
|
---|
467 | #endif
|
---|
468 |
|
---|
469 | /* @todo: nonblocking connect? */
|
---|
470 | ret = lwip_connect(s, (struct sockaddr *)&addr, sizeof(struct sockaddr_storage));
|
---|
471 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
472 |
|
---|
473 | while (sys_now() < max_time) {
|
---|
474 | int closed;
|
---|
475 | int mode = sockets_stresstest_rand_mode(0, do_rx);
|
---|
476 | int timeout_ms = LWIP_RAND() % TEST_MAX_RXWAIT_MS;
|
---|
477 | ret = sockets_stresstest_wait_readable(mode, s, timeout_ms);
|
---|
478 | if (ret) {
|
---|
479 | if (do_rx) {
|
---|
480 | /* read some */
|
---|
481 | LWIP_ASSERT("readable", ret == TEST_SOCK_READABLE);
|
---|
482 | rxoff = recv_and_check_data_return_offset(s, rxbuf, sizeof(rxbuf), rxoff, &closed, "cli");
|
---|
483 | LWIP_ASSERT("client got closed", !closed);
|
---|
484 | }
|
---|
485 | } else {
|
---|
486 | /* timeout, send some */
|
---|
487 | size_t send_len = (LWIP_RAND() % (sizeof(txbuf) - 4)) + 4;
|
---|
488 | fill_test_data(txbuf, send_len);
|
---|
489 | LWIP_DEBUGF(TEST_SOCKETS_STRESS | LWIP_DBG_TRACE, ("cli %d tx %d\n", s, (int)send_len));
|
---|
490 | ret = lwip_write(s, txbuf, send_len);
|
---|
491 | if (ret == -1) {
|
---|
492 | /* TODO: for this to work, 'errno' has to support multithreading... */
|
---|
493 | int err = errno;
|
---|
494 | LWIP_ASSERT("err == 0", err == 0);
|
---|
495 | }
|
---|
496 | LWIP_ASSERT("ret == send_len", ret == (int)send_len);
|
---|
497 | }
|
---|
498 | }
|
---|
499 | if (data) {
|
---|
500 | data->closed = 1;
|
---|
501 | }
|
---|
502 | ret = lwip_close(s);
|
---|
503 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
504 |
|
---|
505 | SYS_ARCH_DEC(sockets_stresstest_numthreads, 1);
|
---|
506 | LWIP_ASSERT("", sockets_stresstest_numthreads >= 0);
|
---|
507 | }
|
---|
508 |
|
---|
509 | static void
|
---|
510 | sockets_stresstest_conn_server(void *arg)
|
---|
511 | {
|
---|
512 | int s, ret;
|
---|
513 | char txbuf[TEST_TXRX_BUFSIZE];
|
---|
514 | char rxbuf[TEST_TXRX_BUFSIZE];
|
---|
515 | size_t rxoff = 0;
|
---|
516 |
|
---|
517 | s = (int)arg;
|
---|
518 |
|
---|
519 | while (1) {
|
---|
520 | int closed;
|
---|
521 | int mode = sockets_stresstest_rand_mode(1, 1);
|
---|
522 | int timeout_ms = LWIP_RAND() % TEST_MAX_RXWAIT_MS;
|
---|
523 | ret = sockets_stresstest_wait_readable(mode, s, timeout_ms);
|
---|
524 | if (ret) {
|
---|
525 | if (ret & TEST_SOCK_ERR) {
|
---|
526 | /* closed? */
|
---|
527 | break;
|
---|
528 | }
|
---|
529 | /* read some */
|
---|
530 | LWIP_ASSERT("readable", ret == TEST_SOCK_READABLE);
|
---|
531 | rxoff = recv_and_check_data_return_offset(s, rxbuf, sizeof(rxbuf), rxoff, &closed, "srv");
|
---|
532 | if (closed) {
|
---|
533 | break;
|
---|
534 | }
|
---|
535 | } else {
|
---|
536 | /* timeout, send some */
|
---|
537 | size_t send_len = (LWIP_RAND() % (sizeof(txbuf) - 4)) + 4;
|
---|
538 | fill_test_data(txbuf, send_len);
|
---|
539 | LWIP_DEBUGF(TEST_SOCKETS_STRESS | LWIP_DBG_TRACE, ("srv %d tx %d\n", s, (int)send_len));
|
---|
540 | ret = lwip_write(s, txbuf, send_len);
|
---|
541 | if (ret == -1) {
|
---|
542 | /* TODO: for this to work, 'errno' has to support multithreading... */
|
---|
543 | int err = errno;
|
---|
544 | if (err == ECONNRESET) {
|
---|
545 | break;
|
---|
546 | }
|
---|
547 | if (err == ENOTCONN) {
|
---|
548 | break;
|
---|
549 | }
|
---|
550 | LWIP_ASSERT("unknown error", 0);
|
---|
551 | }
|
---|
552 | LWIP_ASSERT("ret == send_len", ret == (int)send_len);
|
---|
553 | }
|
---|
554 | }
|
---|
555 | ret = lwip_close(s);
|
---|
556 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
557 |
|
---|
558 | SYS_ARCH_DEC(sockets_stresstest_numthreads, 1);
|
---|
559 | LWIP_ASSERT("", sockets_stresstest_numthreads >= 0);
|
---|
560 | }
|
---|
561 |
|
---|
562 | static int
|
---|
563 | sockets_stresstest_start_clients(const struct sockaddr_storage *remote_addr)
|
---|
564 | {
|
---|
565 | /* limit the number of connections */
|
---|
566 | const int max_connections = LWIP_MIN(TEST_MAX_CONNECTIONS, MEMP_NUM_TCP_PCB/3);
|
---|
567 | int i;
|
---|
568 |
|
---|
569 | for (i = 0; i < max_connections; i++) {
|
---|
570 | sys_thread_t t;
|
---|
571 | SYS_ARCH_INC(sockets_stresstest_numthreads, 1);
|
---|
572 | t = sys_thread_new("sockets_stresstest_conn_client", sockets_stresstest_conn_client, (void*)remote_addr, 0, 0);
|
---|
573 | LWIP_ASSERT("thread != NULL", t != 0);
|
---|
574 | }
|
---|
575 | return max_connections;
|
---|
576 | }
|
---|
577 |
|
---|
578 | static void
|
---|
579 | sockets_stresstest_listener(void *arg)
|
---|
580 | {
|
---|
581 | int slisten;
|
---|
582 | int ret;
|
---|
583 | struct sockaddr_storage addr;
|
---|
584 | socklen_t addr_len;
|
---|
585 | struct test_settings *settings = (struct test_settings *)arg;
|
---|
586 | int num_clients, num_servers = 0;
|
---|
587 |
|
---|
588 | slisten = lwip_socket(AF_INET, SOCK_STREAM, 0);
|
---|
589 | LWIP_ASSERT("slisten >= 0", slisten >= 0);
|
---|
590 |
|
---|
591 | memcpy(&addr, &settings->addr, sizeof(struct sockaddr_storage));
|
---|
592 | ret = lwip_bind(slisten, (struct sockaddr *)&addr, sizeof(addr));
|
---|
593 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
594 |
|
---|
595 | ret = lwip_listen(slisten, 0);
|
---|
596 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
597 |
|
---|
598 | addr_len = sizeof(addr);
|
---|
599 | ret = lwip_getsockname(slisten, (struct sockaddr *)&addr, &addr_len);
|
---|
600 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
601 |
|
---|
602 | num_clients = sockets_stresstest_start_clients(&addr);
|
---|
603 |
|
---|
604 | while (num_servers < num_clients) {
|
---|
605 | struct sockaddr_storage aclient;
|
---|
606 | socklen_t aclient_len = sizeof(aclient);
|
---|
607 | int sclient = lwip_accept(slisten, (struct sockaddr *)&aclient, &aclient_len);
|
---|
608 | #if 1
|
---|
609 | /* using server threads */
|
---|
610 | {
|
---|
611 | sys_thread_t t;
|
---|
612 | SYS_ARCH_INC(sockets_stresstest_numthreads, 1);
|
---|
613 | num_servers++;
|
---|
614 | t = sys_thread_new("sockets_stresstest_conn_server", sockets_stresstest_conn_server, (void*)sclient, 0, 0);
|
---|
615 | LWIP_ASSERT("thread != NULL", t != 0);
|
---|
616 | }
|
---|
617 | #else
|
---|
618 | /* using server select */
|
---|
619 | #endif
|
---|
620 | }
|
---|
621 | LWIP_DEBUGF(TEST_SOCKETS_STRESS | LWIP_DBG_STATE, ("sockets_stresstest_listener: all %d connections established\n", num_clients));
|
---|
622 |
|
---|
623 | /* accepted all clients */
|
---|
624 | while (sockets_stresstest_numthreads > 0) {
|
---|
625 | sys_msleep(1);
|
---|
626 | }
|
---|
627 |
|
---|
628 | ret = lwip_close(slisten);
|
---|
629 | LWIP_ASSERT("ret == 0", ret == 0);
|
---|
630 |
|
---|
631 | LWIP_DEBUGF(TEST_SOCKETS_STRESS |LWIP_DBG_STATE, ("sockets_stresstest_listener: done\n"));
|
---|
632 | }
|
---|
633 |
|
---|
634 | static void
|
---|
635 | sockets_stresstest_listener_loop(void *arg)
|
---|
636 | {
|
---|
637 | int i;
|
---|
638 | struct test_settings *settings = (struct test_settings *)arg;
|
---|
639 |
|
---|
640 | if (settings->loop_cnt) {
|
---|
641 | for (i = 0; i < settings->loop_cnt; i++) {
|
---|
642 | LWIP_DEBUGF(TEST_SOCKETS_STRESS |LWIP_DBG_STATE, ("sockets_stresstest_listener_loop: iteration %d\n", i));
|
---|
643 | sockets_stresstest_listener(arg);
|
---|
644 | sys_msleep(2);
|
---|
645 | }
|
---|
646 | LWIP_DEBUGF(TEST_SOCKETS_STRESS |LWIP_DBG_STATE, ("sockets_stresstest_listener_loop: done\n"));
|
---|
647 | } else {
|
---|
648 | for (i = 0; ; i++) {
|
---|
649 | LWIP_DEBUGF(TEST_SOCKETS_STRESS |LWIP_DBG_STATE, ("sockets_stresstest_listener_loop: iteration %d\n", i));
|
---|
650 | sockets_stresstest_listener(arg);
|
---|
651 | sys_msleep(2);
|
---|
652 | }
|
---|
653 | }
|
---|
654 | }
|
---|
655 |
|
---|
656 | void
|
---|
657 | sockets_stresstest_init_loopback(int addr_family)
|
---|
658 | {
|
---|
659 | sys_thread_t t;
|
---|
660 | struct test_settings *settings = (struct test_settings *)mem_malloc(sizeof(struct test_settings));
|
---|
661 |
|
---|
662 | LWIP_ASSERT("OOM", settings != NULL);
|
---|
663 | memset(settings, 0, sizeof(struct test_settings));
|
---|
664 | #if LWIP_IPV4 && LWIP_IPV6
|
---|
665 | LWIP_ASSERT("invalid addr_family", (addr_family == AF_INET) || (addr_family == AF_INET6));
|
---|
666 | #endif
|
---|
667 | settings->addr.ss_family = (sa_family_t)addr_family;
|
---|
668 | LWIP_UNUSED_ARG(addr_family);
|
---|
669 | settings->start_client = 1;
|
---|
670 |
|
---|
671 | t = sys_thread_new("sockets_stresstest_listener_loop", sockets_stresstest_listener_loop, settings, 0, 0);
|
---|
672 | LWIP_ASSERT("thread != NULL", t != 0);
|
---|
673 | }
|
---|
674 |
|
---|
675 | void
|
---|
676 | sockets_stresstest_init_server(int addr_family, u16_t server_port)
|
---|
677 | {
|
---|
678 | sys_thread_t t;
|
---|
679 | struct test_settings *settings = (struct test_settings *)mem_malloc(sizeof(struct test_settings));
|
---|
680 |
|
---|
681 | LWIP_ASSERT("OOM", settings != NULL);
|
---|
682 | memset(settings, 0, sizeof(struct test_settings));
|
---|
683 | #if LWIP_IPV4 && LWIP_IPV6
|
---|
684 | LWIP_ASSERT("invalid addr_family", (addr_family == AF_INET) || (addr_family == AF_INET6));
|
---|
685 | settings->addr.ss_family = (sa_family_t)addr_family;
|
---|
686 | #endif
|
---|
687 | LWIP_UNUSED_ARG(addr_family);
|
---|
688 | ((struct sockaddr_in *)(&settings->addr))->sin_port = server_port;
|
---|
689 |
|
---|
690 | t = sys_thread_new("sockets_stresstest_listener", sockets_stresstest_listener, settings, 0, 0);
|
---|
691 | LWIP_ASSERT("thread != NULL", t != 0);
|
---|
692 | }
|
---|
693 |
|
---|
694 | void
|
---|
695 | sockets_stresstest_init_client(const char *remote_ip, u16_t remote_port)
|
---|
696 | {
|
---|
697 | #if LWIP_IPV4
|
---|
698 | ip4_addr_t ip4;
|
---|
699 | #endif
|
---|
700 | #if LWIP_IPV6
|
---|
701 | ip6_addr_t ip6;
|
---|
702 | #endif
|
---|
703 | struct sockaddr_storage *addr = (struct sockaddr_storage *)mem_malloc(sizeof(struct sockaddr_storage));
|
---|
704 |
|
---|
705 | LWIP_ASSERT("OOM", addr != NULL);
|
---|
706 | memset(addr, 0, sizeof(struct test_settings));
|
---|
707 | #if LWIP_IPV4
|
---|
708 | if (ip4addr_aton(remote_ip, &ip4)) {
|
---|
709 | addr->ss_family = AF_INET;
|
---|
710 | ((struct sockaddr_in *)addr)->sin_addr.s_addr = ip4_addr_get_u32(&ip4);
|
---|
711 | }
|
---|
712 | #endif
|
---|
713 | #if LWIP_IPV4 && LWIP_IPV6
|
---|
714 | else
|
---|
715 | #endif
|
---|
716 | #if LWIP_IPV6
|
---|
717 | if (ip6addr_aton(remote_ip, &ip6)) {
|
---|
718 | addr->ss_family = AF_INET6;
|
---|
719 | /* todo: copy ipv6 address */
|
---|
720 | }
|
---|
721 | #endif
|
---|
722 | ((struct sockaddr_in *)addr)->sin_port = remote_port;
|
---|
723 | sockets_stresstest_start_clients(addr);
|
---|
724 | }
|
---|
725 |
|
---|
726 | #endif /* LWIP_SOCKET && LWIP_IPV4 */
|
---|