1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24
25 #include "test.h"
26
27 #ifndef CURL_DISABLE_WEBSOCKETS
28
send_ping(CURL * curl,const char * send_payload)29 static CURLcode send_ping(CURL *curl, const char *send_payload)
30 {
31 size_t sent;
32 CURLcode result =
33 curl_ws_send(curl, send_payload, strlen(send_payload), &sent, 0,
34 CURLWS_PING);
35 fprintf(stderr,
36 "ws: curl_ws_send returned %d, sent %d\n", result, (int)sent);
37
38 return result;
39 }
40
recv_pong(CURL * curl,const char * expected_payload)41 static CURLcode recv_pong(CURL *curl, const char *expected_payload)
42 {
43 size_t rlen;
44 const struct curl_ws_frame *meta;
45 char buffer[256];
46 CURLcode result = curl_ws_recv(curl, buffer, sizeof(buffer), &rlen, &meta);
47 if(!result) {
48 if(meta->flags & CURLWS_PONG) {
49 int same = 0;
50 fprintf(stderr, "ws: got PONG back\n");
51 if(rlen == strlen(expected_payload)) {
52 if(!memcmp(expected_payload, buffer, rlen)) {
53 fprintf(stderr, "ws: got the same payload back\n");
54 same = 1;
55 }
56 }
57 if(!same)
58 fprintf(stderr, "ws: did NOT get the same payload back\n");
59 }
60 else {
61 fprintf(stderr, "recv_pong: got %d bytes rflags %x\n", (int)rlen,
62 meta->flags);
63 }
64 }
65 fprintf(stderr, "ws: curl_ws_recv returned %d, received %d\n", result,
66 (int)rlen);
67 return result;
68 }
69
recv_any(CURL * curl)70 static CURLcode recv_any(CURL *curl)
71 {
72 size_t rlen;
73 const struct curl_ws_frame *meta;
74 char buffer[256];
75 CURLcode result = curl_ws_recv(curl, buffer, sizeof(buffer), &rlen, &meta);
76 if(result)
77 return result;
78
79 fprintf(stderr, "recv_any: got %u bytes rflags %x\n", (int)rlen,
80 meta->flags);
81 return CURLE_OK;
82 }
83
84 /* just close the connection */
websocket_close(CURL * curl)85 static void websocket_close(CURL *curl)
86 {
87 size_t sent;
88 CURLcode result =
89 curl_ws_send(curl, "", 0, &sent, 0, CURLWS_CLOSE);
90 fprintf(stderr,
91 "ws: curl_ws_send returned %d, sent %u\n", result, (int)sent);
92 }
93
websocket(CURL * curl)94 static void websocket(CURL *curl)
95 {
96 int i = 0;
97 fprintf(stderr, "ws: websocket() starts\n");
98 do {
99 recv_any(curl);
100 fprintf(stderr, "Send ping\n");
101 if(send_ping(curl, "foobar"))
102 return;
103 fprintf(stderr, "Receive pong\n");
104 if(recv_pong(curl, "foobar")) {
105 printf("Connection closed\n");
106 return;
107 }
108 sleep(2);
109 } while(i++ < 10);
110 websocket_close(curl);
111 }
112
test(char * URL)113 CURLcode test(char *URL)
114 {
115 CURL *curl;
116 CURLcode res = CURLE_OK;
117
118 global_init(CURL_GLOBAL_ALL);
119
120 curl = curl_easy_init();
121 if(curl) {
122 curl_easy_setopt(curl, CURLOPT_URL, URL);
123
124 /* use the callback style */
125 curl_easy_setopt(curl, CURLOPT_USERAGENT, "websocket/2304");
126 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
127 curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 2L); /* websocket style */
128 res = curl_easy_perform(curl);
129 fprintf(stderr, "curl_easy_perform() returned %d\n", res);
130 if(res == CURLE_OK)
131 websocket(curl);
132
133 /* always cleanup */
134 curl_easy_cleanup(curl);
135 }
136 curl_global_cleanup();
137 return res;
138 }
139
140 #else
141 NO_SUPPORT_BUILT_IN
142 #endif
143
