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 #if 0
29
30 static CURLcode send_ping(CURL *curl, const char *send_payload)
31 {
32 size_t sent;
33 CURLcode result =
34 curl_ws_send(curl, send_payload, strlen(send_payload), &sent, CURLWS_PING);
35 fprintf(stderr,
36 "ws: curl_ws_send returned %d, sent %d\n", result, (int)sent);
37
38 return result;
39 }
40
41 static CURLcode recv_pong(CURL *curl, const char *expected_payload)
42 {
43 size_t rlen;
44 unsigned int rflags;
45 char buffer[256];
46 CURLcode result =
47 curl_ws_recv(curl, buffer, sizeof(buffer), &rlen, &rflags);
48 if(rflags & 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, rflags);
62 }
63 fprintf(stderr, "ws: curl_ws_recv returned %d, received %d\n", result,
64 (int)rlen);
65 return result;
66 }
67
68 /* just close the connection */
69 static void websocket_close(CURL *curl)
70 {
71 size_t sent;
72 CURLcode result =
73 curl_ws_send(curl, "", 0, &sent, CURLWS_CLOSE);
74 fprintf(stderr,
75 "ws: curl_ws_send returned %d, sent %d\n", result, (int)sent);
76 }
77
78 static void websocket(CURL *curl)
79 {
80 int i = 0;
81 fprintf(stderr, "ws: websocket() starts\n");
82 do {
83 if(send_ping(curl, "foobar"))
84 return;
85 if(recv_pong(curl, "foobar"))
86 return;
87 sleep(2);
88 } while(i++ < 10);
89 websocket_close(curl);
90 }
91
92 #endif
93
writecb(char * b,size_t size,size_t nitems,void * p)94 static size_t writecb(char *b, size_t size, size_t nitems, void *p)
95 {
96 CURL *easy = p;
97 unsigned char *buffer = (unsigned char *)b;
98 size_t i;
99 size_t sent;
100 unsigned char pong[] = {
101 0x8a, 0x0
102 };
103 size_t incoming = nitems;
104 fprintf(stderr, "Called CURLOPT_WRITEFUNCTION with %d bytes: ",
105 (int)nitems);
106 for(i = 0; i < nitems; i++)
107 fprintf(stderr, "%02x ", (unsigned char)buffer[i]);
108 fprintf(stderr, "\n");
109 (void)size;
110 if(buffer[0] == 0x89) {
111 CURLcode result;
112 fprintf(stderr, "send back a simple PONG\n");
113 result = curl_ws_send(easy, pong, 2, &sent, 0, 0);
114 if(result)
115 nitems = 0;
116 }
117 if(nitems != incoming)
118 fprintf(stderr, "returns error from callback\n");
119 return nitems;
120 }
121
test(char * URL)122 CURLcode test(char *URL)
123 {
124 CURL *curl;
125 CURLcode res = CURLE_OK;
126
127 global_init(CURL_GLOBAL_ALL);
128
129 curl = curl_easy_init();
130 if(curl) {
131 curl_easy_setopt(curl, CURLOPT_URL, URL);
132
133 /* use the callback style */
134 curl_easy_setopt(curl, CURLOPT_USERAGENT, "webbie-sox/3");
135 curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
136 curl_easy_setopt(curl, CURLOPT_WS_OPTIONS, CURLWS_RAW_MODE);
137 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writecb);
138 curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl);
139 res = curl_easy_perform(curl);
140 fprintf(stderr, "curl_easy_perform() returned %d\n", res);
141 #if 0
142 if(res == CURLE_OK)
143 websocket(curl);
144 #endif
145 /* always cleanup */
146 curl_easy_cleanup(curl);
147 }
148 curl_global_cleanup();
149 return res;
150 }
151
152 #else /* no WebSockets */
153 NO_SUPPORT_BUILT_IN
154 #endif
155
