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160
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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include "uv.h"
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23 #include "task.h"
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28
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29 static const int server_port = TEST_PORT;
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30 /* Will be updated right after making the uv_connect_call */
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31 static int connect_port = -1;
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32
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33 static int getsocknamecount_tcp = 0;
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34 static int getpeernamecount = 0;
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35 static int getsocknamecount_udp = 0;
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36
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37 static uv_loop_t* loop;
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38 static uv_tcp_t tcp;
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39 static uv_udp_t udp;
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40 static uv_connect_t connect_req;
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41 static uv_tcp_t tcpServer;
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42 static uv_udp_t udpServer;
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43 static uv_udp_send_t send_req;
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44
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45
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46 static void alloc(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) {
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47 buf->base = malloc(suggested_size);
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48 buf->len = suggested_size;
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49 }
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50
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51
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52 static void on_close(uv_handle_t* peer) {
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53 free(peer);
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54 uv_close((uv_handle_t*)&tcpServer, NULL);
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55 }
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56
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57
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58 static void after_shutdown(uv_shutdown_t* req, int status) {
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59 uv_close((uv_handle_t*) req->handle, on_close);
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60 free(req);
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61 }
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62
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63
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64 static void after_read(uv_stream_t* handle,
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65 ssize_t nread,
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66 const uv_buf_t* buf) {
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67 uv_shutdown_t* req;
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68 int r;
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69
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70 if (buf->base) {
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71 free(buf->base);
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72 }
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73
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74 req = (uv_shutdown_t*) malloc(sizeof *req);
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75 r = uv_shutdown(req, handle, after_shutdown);
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76 ASSERT_OK(r);
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77 }
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78
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79
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80 static void check_sockname(struct sockaddr* addr, const char* compare_ip,
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81 int compare_port, const char* context) {
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82 struct sockaddr_in check_addr = *(struct sockaddr_in*) addr;
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83 struct sockaddr_in compare_addr;
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84 char check_ip[17];
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85 int r;
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86
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87 ASSERT_OK(uv_ip4_addr(compare_ip, compare_port, &compare_addr));
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88
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89 /* Both addresses should be ipv4 */
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90 ASSERT_EQ(check_addr.sin_family, AF_INET);
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91 ASSERT_EQ(compare_addr.sin_family, AF_INET);
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92
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93 /* Check if the ip matches */
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94 ASSERT_OK(memcmp(&check_addr.sin_addr,
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95 &compare_addr.sin_addr,
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96 sizeof compare_addr.sin_addr));
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97
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98 /* Check if the port matches. If port == 0 anything goes. */
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99 ASSERT(compare_port == 0 || check_addr.sin_port == compare_addr.sin_port);
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100
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101 r = uv_ip4_name(&check_addr, (char*) check_ip, sizeof check_ip);
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102 ASSERT_OK(r);
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103
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104 printf("%s: %s:%d\n", context, check_ip, ntohs(check_addr.sin_port));
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105 }
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106
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107
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108 static void on_connection(uv_stream_t* server, int status) {
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109 struct sockaddr sockname, peername;
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110 int namelen;
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111 uv_tcp_t* handle;
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112 int r;
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113
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114 if (status != 0) {
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115 fprintf(stderr, "Connect error %s\n", uv_err_name(status));
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116 }
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117 ASSERT_OK(status);
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118
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119 handle = malloc(sizeof(*handle));
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120 ASSERT_NOT_NULL(handle);
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121
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122 r = uv_tcp_init(loop, handle);
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123 ASSERT_OK(r);
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124
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125 /* associate server with stream */
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126 handle->data = server;
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127
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128 r = uv_accept(server, (uv_stream_t*)handle);
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129 ASSERT_OK(r);
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130
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131 namelen = sizeof sockname;
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132 r = uv_tcp_getsockname(handle, &sockname, &namelen);
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133 ASSERT_OK(r);
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134 check_sockname(&sockname, "127.0.0.1", server_port, "accepted socket");
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135 getsocknamecount_tcp++;
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136
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137 namelen = sizeof peername;
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138 r = uv_tcp_getpeername(handle, &peername, &namelen);
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139 ASSERT_OK(r);
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140 check_sockname(&peername, "127.0.0.1", connect_port, "accepted socket peer");
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141 getpeernamecount++;
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142
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143 r = uv_read_start((uv_stream_t*)handle, alloc, after_read);
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144 ASSERT_OK(r);
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145 }
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146
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147
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148 static void on_connect(uv_connect_t* req, int status) {
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149 struct sockaddr sockname, peername;
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150 int r, namelen;
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151
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152 ASSERT_OK(status);
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153
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154 namelen = sizeof sockname;
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155 r = uv_tcp_getsockname((uv_tcp_t*) req->handle, &sockname, &namelen);
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156 ASSERT_OK(r);
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157 check_sockname(&sockname, "127.0.0.1", 0, "connected socket");
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158 getsocknamecount_tcp++;
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159
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160 namelen = sizeof peername;
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161 r = uv_tcp_getpeername((uv_tcp_t*) req->handle, &peername, &namelen);
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162 ASSERT_OK(r);
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163 check_sockname(&peername, "127.0.0.1", server_port, "connected socket peer");
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164 getpeernamecount++;
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165
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166 uv_close((uv_handle_t*)&tcp, NULL);
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167 }
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168
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169
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170 static int tcp_listener(void) {
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171 struct sockaddr_in addr;
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172 struct sockaddr sockname, peername;
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173 int namelen;
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174 int r;
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175
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176 ASSERT_OK(uv_ip4_addr("0.0.0.0", server_port, &addr));
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177
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178 r = uv_tcp_init(loop, &tcpServer);
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179 if (r) {
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180 fprintf(stderr, "Socket creation error\n");
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181 return 1;
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182 }
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183
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184 r = uv_tcp_bind(&tcpServer, (const struct sockaddr*) &addr, 0);
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185 if (r) {
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186 fprintf(stderr, "Bind error\n");
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187 return 1;
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188 }
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189
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190 r = uv_listen((uv_stream_t*)&tcpServer, 128, on_connection);
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191 if (r) {
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192 fprintf(stderr, "Listen error\n");
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193 return 1;
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194 }
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195
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196 memset(&sockname, -1, sizeof sockname);
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197 namelen = sizeof sockname;
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198 r = uv_tcp_getsockname(&tcpServer, &sockname, &namelen);
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199 ASSERT_OK(r);
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200 check_sockname(&sockname, "0.0.0.0", server_port, "server socket");
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201 getsocknamecount_tcp++;
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202
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203 namelen = sizeof sockname;
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204 r = uv_tcp_getpeername(&tcpServer, &peername, &namelen);
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205 ASSERT_EQ(r, UV_ENOTCONN);
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206 getpeernamecount++;
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207
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208 return 0;
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209 }
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210
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211
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212 static void tcp_connector(void) {
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213 struct sockaddr_in server_addr;
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214 struct sockaddr sockname;
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215 int r, namelen;
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216
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217 ASSERT_OK(uv_ip4_addr("127.0.0.1", server_port, &server_addr));
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218
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219 r = uv_tcp_init(loop, &tcp);
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220 tcp.data = &connect_req;
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221 ASSERT(!r);
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222
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223 r = uv_tcp_connect(&connect_req,
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224 &tcp,
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225 (const struct sockaddr*) &server_addr,
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226 on_connect);
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227 ASSERT(!r);
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228
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229 /* Fetch the actual port used by the connecting socket. */
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230 namelen = sizeof sockname;
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231 r = uv_tcp_getsockname(&tcp, &sockname, &namelen);
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232 ASSERT(!r);
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233 ASSERT_EQ(sockname.sa_family, AF_INET);
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234 connect_port = ntohs(((struct sockaddr_in*) &sockname)->sin_port);
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235 ASSERT_GT(connect_port, 0);
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236 }
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237
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238
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239 static void udp_recv(uv_udp_t* handle,
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240 ssize_t nread,
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241 const uv_buf_t* buf,
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242 const struct sockaddr* addr,
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243 unsigned flags) {
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244 struct sockaddr sockname;
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245 int namelen;
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246 int r;
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247
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248 ASSERT_GE(nread, 0);
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249 free(buf->base);
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250
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251 if (nread == 0) {
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252 return;
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253 }
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254
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255 memset(&sockname, -1, sizeof sockname);
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256 namelen = sizeof(sockname);
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257 r = uv_udp_getsockname(&udp, &sockname, &namelen);
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258 ASSERT_OK(r);
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259 check_sockname(&sockname, "0.0.0.0", 0, "udp receiving socket");
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260 getsocknamecount_udp++;
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261
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262 uv_close((uv_handle_t*) &udp, NULL);
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263 uv_close((uv_handle_t*) handle, NULL);
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264 }
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265
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266
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267 static void udp_send(uv_udp_send_t* req, int status) {
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268
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269 }
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270
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271
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272 static int udp_listener(void) {
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273 struct sockaddr_in addr;
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274 struct sockaddr sockname;
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275 int namelen;
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276 int r;
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277
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278 ASSERT_OK(uv_ip4_addr("0.0.0.0", server_port, &addr));
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279
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280 r = uv_udp_init(loop, &udpServer);
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281 if (r) {
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282 fprintf(stderr, "Socket creation error\n");
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283 return 1;
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284 }
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285
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286 r = uv_udp_bind(&udpServer, (const struct sockaddr*) &addr, 0);
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287 if (r) {
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288 fprintf(stderr, "Bind error\n");
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289 return 1;
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290 }
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291
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292 memset(&sockname, -1, sizeof sockname);
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293 namelen = sizeof sockname;
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294 r = uv_udp_getsockname(&udpServer, &sockname, &namelen);
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295 ASSERT_OK(r);
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296 check_sockname(&sockname, "0.0.0.0", server_port, "udp listener socket");
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297 getsocknamecount_udp++;
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298
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299 r = uv_udp_recv_start(&udpServer, alloc, udp_recv);
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300 ASSERT_OK(r);
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301
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302 return 0;
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303 }
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304
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305
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306 static void udp_sender(void) {
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307 struct sockaddr_in server_addr;
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308 uv_buf_t buf;
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309 int r;
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310
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311 r = uv_udp_init(loop, &udp);
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312 ASSERT(!r);
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313
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314 buf = uv_buf_init("PING", 4);
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315 ASSERT_OK(uv_ip4_addr("127.0.0.1", server_port, &server_addr));
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316
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317 r = uv_udp_send(&send_req,
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318 &udp,
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319 &buf,
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320 1,
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321 (const struct sockaddr*) &server_addr,
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322 udp_send);
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323 ASSERT(!r);
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324 }
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325
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326
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327 TEST_IMPL(getsockname_tcp) {
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328 loop = uv_default_loop();
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329
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330 if (tcp_listener())
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331 return 1;
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332
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333 tcp_connector();
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334
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335 uv_run(loop, UV_RUN_DEFAULT);
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336
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337 ASSERT_EQ(3, getsocknamecount_tcp);
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338 ASSERT_EQ(3, getpeernamecount);
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339
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340 MAKE_VALGRIND_HAPPY(loop);
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341 return 0;
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342 }
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343
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344
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345 TEST_IMPL(getsockname_udp) {
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346 loop = uv_default_loop();
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347
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348 if (udp_listener())
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349 return 1;
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350
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351 udp_sender();
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352
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353 uv_run(loop, UV_RUN_DEFAULT);
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354
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355 ASSERT_EQ(2, getsocknamecount_udp);
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356
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357 ASSERT_OK(udp.send_queue_size);
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358 ASSERT_OK(udpServer.send_queue_size);
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359
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360 MAKE_VALGRIND_HAPPY(loop);
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361 return 0;
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362 }
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