155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "test.h"
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#ifdef USE_WEBSOCKETS
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#if 0
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static int ping(CURL *curl, const char *send_payload)
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{
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size_t sent;
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CURLcode result =
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curl_ws_send(curl, send_payload, strlen(send_payload), &sent, CURLWS_PING);
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fprintf(stderr,
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"ws: curl_ws_send returned %u, sent %u\n", (int)result, (int)sent);
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return (int)result;
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}
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static int recv_pong(CURL *curl, const char *expected_payload)
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{
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size_t rlen;
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unsigned int rflags;
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char buffer[256];
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CURLcode result =
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curl_ws_recv(curl, buffer, sizeof(buffer), &rlen, &rflags);
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if(rflags & CURLWS_PONG) {
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int same = 0;
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fprintf(stderr, "ws: got PONG back\n");
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if(rlen == strlen(expected_payload)) {
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if(!memcmp(expected_payload, buffer, rlen)) {
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fprintf(stderr, "ws: got the same payload back\n");
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same = 1;
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}
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}
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if(!same)
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fprintf(stderr, "ws: did NOT get the same payload back\n");
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}
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else {
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fprintf(stderr, "recv_pong: got %u bytes rflags %x\n", (int)rlen, rflags);
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}
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fprintf(stderr, "ws: curl_ws_recv returned %u, received %u\n", (int)result,
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rlen);
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return (int)result;
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}
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/* just close the connection */
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static void websocket_close(CURL *curl)
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{
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size_t sent;
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CURLcode result =
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curl_ws_send(curl, "", 0, &sent, CURLWS_CLOSE);
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fprintf(stderr,
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"ws: curl_ws_send returned %u, sent %u\n", (int)result, (int)sent);
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}
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static void websocket(CURL *curl)
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{
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int i = 0;
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fprintf(stderr, "ws: websocket() starts\n");
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do {
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if(ping(curl, "foobar"))
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return;
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if(recv_pong(curl, "foobar"))
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return;
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sleep(2);
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} while(i++ < 10);
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websocket_close(curl);
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}
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#endif
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static size_t writecb(char *b, size_t size, size_t nitems, void *p)
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{
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CURL *easy = p;
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unsigned char *buffer = (unsigned char *)b;
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size_t i;
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size_t sent;
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unsigned char pong[] = {
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0x8a, 0x0
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};
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size_t incoming = nitems;
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fprintf(stderr, "Called CURLOPT_WRITEFUNCTION with %u bytes: ",
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(int)nitems);
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for(i = 0; i < nitems; i++)
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fprintf(stderr, "%02x ", (unsigned char)buffer[i]);
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fprintf(stderr, "\n");
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(void)size;
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if(buffer[0] == 0x89) {
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CURLcode result;
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fprintf(stderr, "send back a simple PONG\n");
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result = curl_ws_send(easy, pong, 2, &sent, 0, 0);
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if(result)
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nitems = 0;
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}
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if(nitems != incoming)
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fprintf(stderr, "returns error from callback\n");
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return nitems;
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}
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int test(char *URL)
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{
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CURL *curl;
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CURLcode res = CURLE_OK;
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global_init(CURL_GLOBAL_ALL);
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curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, URL);
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/* use the callback style */
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curl_easy_setopt(curl, CURLOPT_USERAGENT, "webbie-sox/3");
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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curl_easy_setopt(curl, CURLOPT_WS_OPTIONS, CURLWS_RAW_MODE);
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writecb);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl);
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res = curl_easy_perform(curl);
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fprintf(stderr, "curl_easy_perform() returned %u\n", (int)res);
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#if 0
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if(res == CURLE_OK)
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websocket(curl);
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#endif
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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curl_global_cleanup();
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return (int)res;
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}
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#else /* no websockets */
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NO_SUPPORT_BUILT_IN
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#endif
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