Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 1 | #include "private-libwebsockets.h" |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 2 | |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 3 | struct libwebsocket *__libwebsocket_client_connect_2( |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 4 | struct libwebsocket_context *context, |
| 5 | struct libwebsocket *wsi |
| 6 | ) { |
| 7 | struct pollfd pfd; |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 8 | struct hostent *server_hostent; |
| 9 | struct sockaddr_in server_addr; |
| 10 | int n; |
| 11 | int plen = 0; |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 12 | |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 13 | lwsl_client("__libwebsocket_client_connect_2\n"); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 14 | |
| 15 | /* |
| 16 | * proxy? |
| 17 | */ |
| 18 | |
| 19 | if (context->http_proxy_port) { |
Andy Green | e48ba31 | 2013-02-10 15:34:59 +0800 | [diff] [blame] | 20 | plen = sprintf((char *)context->service_buffer, |
Andy Green | f54a94b | 2013-02-10 15:19:39 +0800 | [diff] [blame] | 21 | "CONNECT %s:%u HTTP/1.0\x0d\x0a" |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 22 | "User-agent: libwebsockets\x0d\x0a" |
| 23 | /*Proxy-authorization: basic aGVsbG86d29ybGQ= */ |
| 24 | "\x0d\x0a", wsi->c_address, wsi->c_port); |
| 25 | |
| 26 | /* OK from now on we talk via the proxy */ |
| 27 | |
| 28 | free(wsi->c_address); |
| 29 | wsi->c_address = strdup(context->http_proxy_address); |
| 30 | wsi->c_port = context->http_proxy_port; |
| 31 | } |
| 32 | |
| 33 | /* |
| 34 | * prepare the actual connection (to the proxy, if any) |
| 35 | */ |
| 36 | |
Andy Green | a690cd0 | 2013-02-09 12:25:31 +0800 | [diff] [blame] | 37 | lwsl_client("__libwebsocket_client_connect_2: address %s\n", |
| 38 | wsi->c_address); |
Andy Green | 66a16f3 | 2011-05-24 22:07:45 +0100 | [diff] [blame] | 39 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 40 | server_hostent = gethostbyname(wsi->c_address); |
| 41 | if (server_hostent == NULL) { |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 42 | lwsl_err("Unable to get host name from %s\n", wsi->c_address); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 43 | goto oom4; |
| 44 | } |
| 45 | |
| 46 | wsi->sock = socket(AF_INET, SOCK_STREAM, 0); |
| 47 | |
| 48 | if (wsi->sock < 0) { |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 49 | lwsl_warn("Unable to open socket\n"); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 50 | goto oom4; |
| 51 | } |
| 52 | |
| 53 | server_addr.sin_family = AF_INET; |
| 54 | server_addr.sin_port = htons(wsi->c_port); |
| 55 | server_addr.sin_addr = *((struct in_addr *)server_hostent->h_addr); |
| 56 | bzero(&server_addr.sin_zero, 8); |
| 57 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 58 | if (connect(wsi->sock, (struct sockaddr *)&server_addr, |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 59 | sizeof(struct sockaddr)) == -1) { |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 60 | lwsl_debug("Connect failed\n"); |
Andy Green | 3fc2c65 | 2013-01-14 15:35:02 +0800 | [diff] [blame] | 61 | compatible_close(wsi->sock); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 62 | goto oom4; |
| 63 | } |
| 64 | |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 65 | lwsl_client("connected\n"); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 66 | |
Andy Green | a690cd0 | 2013-02-09 12:25:31 +0800 | [diff] [blame] | 67 | if (lws_set_socket_options(context, wsi->sock)) { |
| 68 | lwsl_err("Failed to set wsi socket options\n"); |
| 69 | close(wsi->sock); |
| 70 | goto oom4; |
| 71 | } |
| 72 | |
Andy Green | dfb2304 | 2013-01-17 12:26:48 +0800 | [diff] [blame] | 73 | insert_wsi_socket_into_fds(context, wsi); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 74 | |
| 75 | /* we are connected to server, or proxy */ |
| 76 | |
| 77 | if (context->http_proxy_port) { |
| 78 | |
Andy Green | f54a94b | 2013-02-10 15:19:39 +0800 | [diff] [blame] | 79 | n = send(wsi->sock, context->service_buffer, plen, 0); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 80 | if (n < 0) { |
Andy Green | 3fc2c65 | 2013-01-14 15:35:02 +0800 | [diff] [blame] | 81 | compatible_close(wsi->sock); |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 82 | lwsl_debug("ERROR writing to proxy socket\n"); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 83 | goto bail1; |
| 84 | } |
| 85 | |
| 86 | libwebsocket_set_timeout(wsi, |
David Galeano | c9f1ff8 | 2013-01-09 18:01:23 +0800 | [diff] [blame] | 87 | PENDING_TIMEOUT_AWAITING_PROXY_RESPONSE, AWAITING_TIMEOUT); |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 88 | |
| 89 | wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY; |
| 90 | |
| 91 | return wsi; |
| 92 | } |
| 93 | |
| 94 | /* |
| 95 | * provoke service to issue the handshake directly |
| 96 | * we need to do it this way because in the proxy case, this is the |
| 97 | * next state and executed only if and when we get a good proxy |
Andy Green | 73abc25 | 2013-01-13 11:05:30 +0800 | [diff] [blame] | 98 | * response inside the state machine... but notice in SSL case this |
| 99 | * may not have sent anything yet with 0 return, and won't until some |
| 100 | * many retries from main loop. To stop that becoming endless, |
| 101 | * cover with a timeout. |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 102 | */ |
| 103 | |
Andy Green | 73abc25 | 2013-01-13 11:05:30 +0800 | [diff] [blame] | 104 | libwebsocket_set_timeout(wsi, |
| 105 | PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE, AWAITING_TIMEOUT); |
| 106 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 107 | wsi->mode = LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE; |
| 108 | pfd.fd = wsi->sock; |
| 109 | pfd.revents = POLLIN; |
David Galeano | 36750b8 | 2013-01-09 16:17:04 +0800 | [diff] [blame] | 110 | |
| 111 | n = libwebsocket_service_fd(context, &pfd); |
| 112 | |
| 113 | if (n < 0) |
Andy Green | 3928f61 | 2012-07-20 12:58:38 +0800 | [diff] [blame] | 114 | goto oom4; |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 115 | |
David Galeano | 36750b8 | 2013-01-09 16:17:04 +0800 | [diff] [blame] | 116 | if (n) /* returns 1 on failure after closing wsi */ |
| 117 | return NULL; |
| 118 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 119 | return wsi; |
| 120 | |
| 121 | oom4: |
| 122 | if (wsi->c_protocol) |
| 123 | free(wsi->c_protocol); |
| 124 | |
| 125 | if (wsi->c_origin) |
| 126 | free(wsi->c_origin); |
| 127 | |
| 128 | free(wsi->c_host); |
| 129 | free(wsi->c_path); |
| 130 | |
| 131 | bail1: |
| 132 | free(wsi); |
| 133 | |
| 134 | return NULL; |
| 135 | } |
| 136 | |
Andy Green | 90c7cbc | 2011-01-27 06:26:52 +0000 | [diff] [blame] | 137 | /** |
| 138 | * libwebsocket_client_connect() - Connect to another websocket server |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 139 | * @context: Websocket context |
Andy Green | 90c7cbc | 2011-01-27 06:26:52 +0000 | [diff] [blame] | 140 | * @address: Remote server address, eg, "myserver.com" |
| 141 | * @port: Port to connect to on the remote server, eg, 80 |
| 142 | * @ssl_connection: 0 = ws://, 1 = wss:// encrypted, 2 = wss:// allow self |
| 143 | * signed certs |
| 144 | * @path: Websocket path on server |
| 145 | * @host: Hostname on server |
| 146 | * @origin: Socket origin name |
| 147 | * @protocol: Comma-separated list of protocols being asked for from |
| 148 | * the server, or just one. The server will pick the one it |
| 149 | * likes best. |
Andy Green | bfb051f | 2011-02-09 08:49:14 +0000 | [diff] [blame] | 150 | * @ietf_version_or_minus_one: -1 to ask to connect using the default, latest |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 151 | * protocol supported, or the specific protocol ordinal |
Andy Green | 90c7cbc | 2011-01-27 06:26:52 +0000 | [diff] [blame] | 152 | * |
| 153 | * This function creates a connection to a remote server |
| 154 | */ |
| 155 | |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 156 | struct libwebsocket * |
Peter Hinz | 56885f3 | 2011-03-02 22:03:47 +0000 | [diff] [blame] | 157 | libwebsocket_client_connect(struct libwebsocket_context *context, |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 158 | const char *address, |
| 159 | int port, |
Andy Green | 90c7cbc | 2011-01-27 06:26:52 +0000 | [diff] [blame] | 160 | int ssl_connection, |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 161 | const char *path, |
| 162 | const char *host, |
| 163 | const char *origin, |
Andy Green | bfb051f | 2011-02-09 08:49:14 +0000 | [diff] [blame] | 164 | const char *protocol, |
| 165 | int ietf_version_or_minus_one) |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 166 | { |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 167 | struct libwebsocket *wsi; |
| 168 | int n; |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 169 | #ifndef LWS_NO_EXTENSIONS |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 170 | int m; |
| 171 | struct libwebsocket_extension *ext; |
| 172 | int handled; |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 173 | #endif |
| 174 | |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 175 | #ifndef LWS_OPENSSL_SUPPORT |
Andy Green | 90c7cbc | 2011-01-27 06:26:52 +0000 | [diff] [blame] | 176 | if (ssl_connection) { |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 177 | lwsl_err("libwebsockets not configured for ssl\n"); |
Andy Green | 90c7cbc | 2011-01-27 06:26:52 +0000 | [diff] [blame] | 178 | return NULL; |
| 179 | } |
| 180 | #endif |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 181 | |
Aaron Zinman | 4550f1d | 2013-01-10 12:35:18 +0800 | [diff] [blame] | 182 | wsi = (struct libwebsocket *) malloc(sizeof(struct libwebsocket)); |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 183 | if (wsi == NULL) |
| 184 | goto bail1; |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 185 | |
Darin Willits | c19456f | 2011-02-14 17:52:39 +0000 | [diff] [blame] | 186 | memset(wsi, 0, sizeof *wsi); |
| 187 | |
Andy Green | bfb051f | 2011-02-09 08:49:14 +0000 | [diff] [blame] | 188 | /* -1 means just use latest supported */ |
| 189 | |
| 190 | if (ietf_version_or_minus_one == -1) |
Andy Green | 193306c | 2011-02-26 11:08:46 +0000 | [diff] [blame] | 191 | ietf_version_or_minus_one = SPEC_LATEST_SUPPORTED; |
Andy Green | bfb051f | 2011-02-09 08:49:14 +0000 | [diff] [blame] | 192 | |
| 193 | wsi->ietf_spec_revision = ietf_version_or_minus_one; |
Andy Green | 623a98d | 2013-01-21 11:04:23 +0800 | [diff] [blame] | 194 | wsi->u.hdr.name_buffer_pos = 0; |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 195 | wsi->user_space = NULL; |
| 196 | wsi->state = WSI_STATE_CLIENT_UNCONNECTED; |
Andy Green | 927eb7b | 2011-02-01 08:52:55 +0000 | [diff] [blame] | 197 | wsi->protocol = NULL; |
Andy Green | a71eafc | 2011-02-14 17:59:43 +0000 | [diff] [blame] | 198 | wsi->pending_timeout = NO_PENDING_TIMEOUT; |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 199 | #ifndef LWS_NO_EXTENSIONS |
Andy Green | d6e0911 | 2011-03-05 16:12:15 +0000 | [diff] [blame] | 200 | wsi->count_active_extensions = 0; |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 201 | #endif |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 202 | #ifdef LWS_OPENSSL_SUPPORT |
| 203 | wsi->use_ssl = ssl_connection; |
| 204 | #endif |
| 205 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 206 | wsi->c_port = port; |
| 207 | wsi->c_address = strdup(address); |
| 208 | |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 209 | /* copy parameters over so state machine has access */ |
| 210 | |
Aaron Zinman | 4550f1d | 2013-01-10 12:35:18 +0800 | [diff] [blame] | 211 | wsi->c_path = (char *)malloc(strlen(path) + 1); |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 212 | if (wsi->c_path == NULL) |
| 213 | goto bail1; |
| 214 | strcpy(wsi->c_path, path); |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 215 | |
Aaron Zinman | 4550f1d | 2013-01-10 12:35:18 +0800 | [diff] [blame] | 216 | wsi->c_host = (char *)malloc(strlen(host) + 1); |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 217 | if (wsi->c_host == NULL) |
| 218 | goto oom1; |
| 219 | strcpy(wsi->c_host, host); |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 220 | |
Andy Green | 08d3392 | 2011-02-26 10:22:49 +0000 | [diff] [blame] | 221 | if (origin) { |
Aaron Zinman | 4550f1d | 2013-01-10 12:35:18 +0800 | [diff] [blame] | 222 | wsi->c_origin = (char *)malloc(strlen(origin) + 1); |
Andy Green | 08d3392 | 2011-02-26 10:22:49 +0000 | [diff] [blame] | 223 | if (wsi->c_origin == NULL) |
| 224 | goto oom2; |
Andy Green | 41c5803 | 2013-01-12 13:21:08 +0800 | [diff] [blame] | 225 | strcpy(wsi->c_origin, origin); |
Andy Green | 08d3392 | 2011-02-26 10:22:49 +0000 | [diff] [blame] | 226 | } else |
| 227 | wsi->c_origin = NULL; |
Andy Green | 6ee372f | 2012-04-09 15:09:01 +0800 | [diff] [blame] | 228 | |
David Brooks | 993343b | 2012-04-20 12:16:52 +0800 | [diff] [blame] | 229 | wsi->c_callback = NULL; |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 230 | if (protocol) { |
David Brooks | 993343b | 2012-04-20 12:16:52 +0800 | [diff] [blame] | 231 | const char *pc; |
| 232 | struct libwebsocket_protocols *pp; |
| 233 | |
Aaron Zinman | 4550f1d | 2013-01-10 12:35:18 +0800 | [diff] [blame] | 234 | wsi->c_protocol = (char *)malloc(strlen(protocol) + 1); |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 235 | if (wsi->c_protocol == NULL) |
| 236 | goto oom3; |
David Brooks | 993343b | 2012-04-20 12:16:52 +0800 | [diff] [blame] | 237 | |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 238 | strcpy(wsi->c_protocol, protocol); |
David Brooks | 993343b | 2012-04-20 12:16:52 +0800 | [diff] [blame] | 239 | |
| 240 | pc = protocol; |
| 241 | while (*pc && *pc != ',') |
| 242 | pc++; |
| 243 | n = pc - protocol; |
| 244 | pp = context->protocols; |
| 245 | while (pp->name && !wsi->c_callback) { |
| 246 | if (!strncmp(protocol, pp->name, n)) |
| 247 | wsi->c_callback = pp->callback; |
| 248 | pp++; |
| 249 | } |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 250 | } else |
| 251 | wsi->c_protocol = NULL; |
| 252 | |
David Brooks | 993343b | 2012-04-20 12:16:52 +0800 | [diff] [blame] | 253 | if (!wsi->c_callback) |
| 254 | wsi->c_callback = context->protocols[0].callback; |
| 255 | |
Andy Green | 16ab318 | 2013-02-10 18:02:31 +0800 | [diff] [blame^] | 256 | if (lws_allocate_header_table(wsi)) |
| 257 | goto oom3; |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 258 | |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 259 | #ifndef LWS_NO_EXTENSIONS |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 260 | /* |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 261 | * Check with each extension if it is able to route and proxy this |
| 262 | * connection for us. For example, an extension like x-google-mux |
| 263 | * can handle this and then we don't need an actual socket for this |
| 264 | * connection. |
Andy Green | 9659f37 | 2011-01-27 22:01:43 +0000 | [diff] [blame] | 265 | */ |
| 266 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 267 | handled = 0; |
| 268 | ext = context->extensions; |
| 269 | n = 0; |
Andy Green | 9659f37 | 2011-01-27 22:01:43 +0000 | [diff] [blame] | 270 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 271 | while (ext && ext->callback && !handled) { |
| 272 | m = ext->callback(context, ext, wsi, |
| 273 | LWS_EXT_CALLBACK_CAN_PROXY_CLIENT_CONNECTION, |
| 274 | (void *)(long)n, (void *)address, port); |
| 275 | if (m) |
| 276 | handled = 1; |
Andy Green | 9659f37 | 2011-01-27 22:01:43 +0000 | [diff] [blame] | 277 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 278 | ext++; |
| 279 | n++; |
Andy Green | 9659f37 | 2011-01-27 22:01:43 +0000 | [diff] [blame] | 280 | } |
| 281 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 282 | if (handled) { |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 283 | lwsl_client("libwebsocket_client_connect: ext handling conn\n"); |
Andy Green | 5b9a4c0 | 2011-01-28 09:39:29 +0000 | [diff] [blame] | 284 | |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 285 | libwebsocket_set_timeout(wsi, |
David Galeano | c9f1ff8 | 2013-01-09 18:01:23 +0800 | [diff] [blame] | 286 | PENDING_TIMEOUT_AWAITING_EXTENSION_CONNECT_RESPONSE, AWAITING_TIMEOUT); |
Andy Green | 5b9a4c0 | 2011-01-28 09:39:29 +0000 | [diff] [blame] | 287 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 288 | wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT; |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 289 | return wsi; |
Andy Green | 9659f37 | 2011-01-27 22:01:43 +0000 | [diff] [blame] | 290 | } |
Andy Green | 3182ece | 2013-01-20 17:08:31 +0800 | [diff] [blame] | 291 | #endif |
Andy Green | 43db045 | 2013-01-10 19:50:35 +0800 | [diff] [blame] | 292 | lwsl_client("libwebsocket_client_connect: direct conn\n"); |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 293 | |
Andy Green | a41314f | 2011-05-23 10:00:03 +0100 | [diff] [blame] | 294 | return __libwebsocket_client_connect_2(context, wsi); |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 295 | |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 296 | oom3: |
Andy Green | 08d3392 | 2011-02-26 10:22:49 +0000 | [diff] [blame] | 297 | if (wsi->c_origin) |
| 298 | free(wsi->c_origin); |
Andy Green | be93fef | 2011-02-14 20:25:43 +0000 | [diff] [blame] | 299 | |
| 300 | oom2: |
| 301 | free(wsi->c_host); |
| 302 | |
| 303 | oom1: |
| 304 | free(wsi->c_path); |
| 305 | |
Andy Green | 4739e5c | 2011-01-22 12:51:57 +0000 | [diff] [blame] | 306 | bail1: |
| 307 | free(wsi); |
| 308 | |
| 309 | return NULL; |
| 310 | } |
David Brooks | 2c60d95 | 2012-04-20 12:19:01 +0800 | [diff] [blame] | 311 | |
| 312 | |
| 313 | /** |
| 314 | * libwebsocket_client_connect_extended() - Connect to another websocket server |
| 315 | * @context: Websocket context |
| 316 | * @address: Remote server address, eg, "myserver.com" |
| 317 | * @port: Port to connect to on the remote server, eg, 80 |
| 318 | * @ssl_connection: 0 = ws://, 1 = wss:// encrypted, 2 = wss:// allow self |
| 319 | * signed certs |
| 320 | * @path: Websocket path on server |
| 321 | * @host: Hostname on server |
| 322 | * @origin: Socket origin name |
| 323 | * @protocol: Comma-separated list of protocols being asked for from |
| 324 | * the server, or just one. The server will pick the one it |
| 325 | * likes best. |
| 326 | * @ietf_version_or_minus_one: -1 to ask to connect using the default, latest |
| 327 | * protocol supported, or the specific protocol ordinal |
| 328 | * @userdata: Pre-allocated user data |
| 329 | * |
| 330 | * This function creates a connection to a remote server |
| 331 | */ |
| 332 | |
| 333 | struct libwebsocket * |
| 334 | libwebsocket_client_connect_extended(struct libwebsocket_context *context, |
| 335 | const char *address, |
| 336 | int port, |
| 337 | int ssl_connection, |
| 338 | const char *path, |
| 339 | const char *host, |
| 340 | const char *origin, |
| 341 | const char *protocol, |
| 342 | int ietf_version_or_minus_one, |
| 343 | void *userdata) |
| 344 | { |
| 345 | struct libwebsocket *ws = |
| 346 | libwebsocket_client_connect(context, address, port, ssl_connection, path, host, origin, protocol, ietf_version_or_minus_one) ; |
| 347 | |
| 348 | if (ws && !ws->user_space && userdata) |
| 349 | ws->user_space = userdata ; |
| 350 | |
| 351 | return ws ; |
| 352 | } |