1 | #include <iprt/tcp.h>
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2 |
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3 | #include <iprt/string.h>
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4 | #include <iprt/test.h>
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5 |
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6 |
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7 | /*******************************************************************************
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8 | * Global Variables *
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9 | *******************************************************************************/
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10 | static RTTEST g_hTest;
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11 |
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12 |
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13 | /* * * * * * * * Test 3 * * * * * * * */
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14 |
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15 | static DECLCALLBACK(int) test3Server(RTSOCKET hSocket, void *pvUser)
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16 | {
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17 | RTTestSetDefault(g_hTest, NULL);
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18 | char szBuf[4096];
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19 |
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20 | /* say hello */
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21 | RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "hello\n", sizeof("hello\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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22 | RT_ZERO(szBuf);
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23 | RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("dude!\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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24 | szBuf[sizeof("dude!\n") - 1] = '\0';
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25 | RTTESTI_CHECK_RET(strcmp(szBuf, "dude!\n") == 0, VERR_TCP_SERVER_STOP);
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26 |
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27 | /* Send ~20 MB of data that the client receives while trying to disconnect. */
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28 | RT_ZERO(szBuf);
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29 | size_t cbSent = 0;
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30 | while (cbSent < 20 * _1M)
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31 | {
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32 | RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, szBuf, sizeof(szBuf)), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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33 | cbSent += sizeof(szBuf);
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34 | }
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35 |
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36 | return VERR_TCP_SERVER_STOP;
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37 | }
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38 |
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39 |
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40 | void test3()
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41 | {
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42 | RTTestSub(g_hTest, "Graceful disconnect");
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43 |
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44 | uint32_t cStartErrors = RTTestErrorCount(g_hTest);
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45 | for (unsigned i = 0; i < 100 && cStartErrors == RTTestErrorCount(g_hTest); i++)
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46 | {
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47 | PRTTCPSERVER pServer;
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48 | RTTESTI_CHECK_RC_RETV(RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-2",
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49 | test3Server, NULL, &pServer), VINF_SUCCESS);
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50 |
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51 | int rc;
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52 | RTSOCKET hSocket;
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53 | RTTESTI_CHECK_RC(rc = RTTcpClientConnect("localhost", 9999, &hSocket), VINF_SUCCESS);
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54 | if (RT_SUCCESS(rc))
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55 | {
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56 | char szBuf[512];
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57 | RT_ZERO(szBuf);
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58 | do /* break non-loop */
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59 | {
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60 | RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("hello\n") - 1, NULL), VINF_SUCCESS);
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61 | RTTESTI_CHECK_BREAK(strcmp(szBuf, "hello\n") == 0);
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62 | RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "dude!\n", sizeof("dude!\n") - 1), VINF_SUCCESS);
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63 | } while (0);
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64 |
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65 | RTTESTI_CHECK_RC(RTTcpClientClose(hSocket), VINF_SUCCESS);
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66 | }
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67 |
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68 | RTTESTI_CHECK_RC(RTTcpServerDestroy(pServer), VINF_SUCCESS);
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69 | }
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70 | }
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71 |
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72 |
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73 | /* * * * * * * * Test 2 * * * * * * * */
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74 |
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75 | static DECLCALLBACK(int) test2Server(RTSOCKET hSocket, void *pvUser)
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76 | {
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77 | RTTestSetDefault(g_hTest, NULL);
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78 | char szBuf[512];
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79 |
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80 | /* say hello */
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81 | RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "hello\n", sizeof("hello\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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82 | RT_ZERO(szBuf);
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83 | RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("dude!\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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84 | szBuf[sizeof("dude!\n") - 1] = '\0';
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85 | RTTESTI_CHECK_RET(strcmp(szBuf, "dude!\n") == 0, VERR_TCP_SERVER_STOP);
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86 |
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87 | /* wait for a goodbye which doesn't arrive. */
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88 | RT_ZERO(szBuf);
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89 | RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("byebye\n") - 1, NULL), VERR_NET_SHUTDOWN, VERR_TCP_SERVER_STOP);
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90 |
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91 | return VERR_TCP_SERVER_STOP;
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92 | }
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93 |
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94 |
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95 | void test2()
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96 | {
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97 | RTTestSub(g_hTest, "Rude client");
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98 |
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99 | PRTTCPSERVER pServer;
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100 | RTTESTI_CHECK_RC_RETV(RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-2",
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101 | test2Server, NULL, &pServer), VINF_SUCCESS);
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102 |
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103 | int rc;
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104 | RTSOCKET hSocket;
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105 | RTTESTI_CHECK_RC(rc = RTTcpClientConnect("localhost", 9999, &hSocket), VINF_SUCCESS);
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106 | if (RT_SUCCESS(rc))
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107 | {
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108 | char szBuf[512];
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109 | RT_ZERO(szBuf);
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110 | do /* break non-loop */
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111 | {
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112 | RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("hello\n") - 1, NULL), VINF_SUCCESS);
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113 | RTTESTI_CHECK_BREAK(strcmp(szBuf, "hello\n") == 0);
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114 | RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "dude!\n", sizeof("dude!\n") - 1), VINF_SUCCESS);
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115 | } while (0);
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116 |
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117 | RTTESTI_CHECK_RC(RTTcpClientClose(hSocket), VINF_SUCCESS);
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118 | }
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119 |
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120 | RTTESTI_CHECK_RC(RTTcpServerDestroy(pServer), VINF_SUCCESS);
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121 | }
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122 |
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123 |
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124 | /* * * * * * * * Test 1 * * * * * * * */
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125 |
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126 | static DECLCALLBACK(int) test1Server(RTSOCKET hSocket, void *pvUser)
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127 | {
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128 | RTTestSetDefault(g_hTest, NULL);
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129 |
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130 | char szBuf[512];
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131 | RTTESTI_CHECK_RET(pvUser == NULL, VERR_TCP_SERVER_STOP);
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132 |
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133 | /* say hello */
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134 | RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "hello\n", sizeof("hello\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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135 | RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("dude!\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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136 | szBuf[sizeof("dude!\n") - 1] = '\0';
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137 | RTTESTI_CHECK_RET(strcmp(szBuf, "dude!\n") == 0, VERR_TCP_SERVER_STOP);
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138 |
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139 | /* say goodbye */
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140 | RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("byebye\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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141 | szBuf[sizeof("byebye\n") - 1] = '\0';
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142 | RTTESTI_CHECK_RET(strcmp(szBuf, "byebye\n") == 0, VERR_TCP_SERVER_STOP);
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143 | RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "bye\n", sizeof("bye\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
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144 |
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145 | return VERR_TCP_SERVER_STOP;
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146 | }
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147 |
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148 |
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149 | void test1()
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150 | {
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151 | RTTestSub(g_hTest, "Simple server-client setup");
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152 |
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153 | PRTTCPSERVER pServer;
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154 | RTTESTI_CHECK_RC_RETV(RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-1",
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155 | test1Server, NULL, &pServer), VINF_SUCCESS);
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156 |
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157 | int rc;
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158 | RTSOCKET hSocket;
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159 | RTTESTI_CHECK_RC(rc = RTTcpClientConnect("localhost", 9999, &hSocket), VINF_SUCCESS);
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160 | if (RT_SUCCESS(rc))
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161 | {
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162 | do /* break non-loop */
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163 | {
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164 | char szBuf[512];
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165 | RT_ZERO(szBuf);
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166 | RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("hello\n") - 1, NULL), VINF_SUCCESS);
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167 | RTTESTI_CHECK_BREAK(strcmp(szBuf, "hello\n") == 0);
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168 | RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "dude!\n", sizeof("dude!\n") - 1), VINF_SUCCESS);
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169 |
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170 | RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "byebye\n", sizeof("byebye\n") - 1), VINF_SUCCESS);
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171 | RT_ZERO(szBuf);
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172 | RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("bye\n") - 1, NULL), VINF_SUCCESS);
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173 | RTTESTI_CHECK_BREAK(strcmp(szBuf, "bye\n") == 0);
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174 | } while (0);
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175 |
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176 | RTTESTI_CHECK_RC(RTTcpClientClose(hSocket), VINF_SUCCESS);
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177 | }
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178 |
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179 | RTTESTI_CHECK_RC(RTTcpServerDestroy(pServer), VINF_SUCCESS);
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180 | }
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181 |
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182 |
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183 | int main()
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184 | {
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185 | RTEXITCODE rcExit = RTTestInitAndCreate("tstRTTcp-1", &g_hTest);
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186 | if (rcExit != RTEXITCODE_SUCCESS)
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187 | return rcExit;
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188 | RTTestBanner(g_hTest);
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189 |
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190 | test1();
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191 | test2();
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192 | test3();
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193 |
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194 | /** @todo test the full RTTcp API. */
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195 |
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196 | return RTTestSummaryAndDestroy(g_hTest);
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197 | }
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198 |
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