tests/libtest/lib2301.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 * SPDX-License-Identifier: curl
 *
 ***************************************************************************/
#include "first.h"

#ifndef CURL_DISABLE_WEBSOCKETS
#if 0
static void t2301_websocket(CURL *curl)
{
  int i = 0;
  curl_mfprintf(stderr, "ws: websocket() starts\n");
  do {
    if(ws_send_ping(curl, "foobar"))
      return;
    if(ws_recv_pong(curl, "foobar"))
      return;
    curlx_wait_ms(2000);
  } while(i++ < 10);
  ws_close(curl);
}
#endif

static size_t t2301_write_cb(char *b, size_t size, size_t nitems, void *p)
{
  CURL *curl = p;
  unsigned char *buffer = (unsigned char *)b;
  size_t i;
  size_t sent;
  unsigned char pong[] = { 0x8a, 0x0 };
  size_t incoming = nitems;
  curl_mfprintf(stderr, "Called CURLOPT_WRITEFUNCTION with %zu bytes: ",
                nitems);
  for(i = 0; i < nitems; i++)
    curl_mfprintf(stderr, "%02x ", (unsigned char)buffer[i]);
  curl_mfprintf(stderr, "\n");
  (void)size;
  if(buffer[0] == 0x89) {
    CURLcode result;
    curl_mfprintf(stderr, "send back a simple PONG\n");
    result = curl_ws_send(curl, pong, 2, &sent, 0, 0);
    if(result)
      nitems = 0;
  }
  if(nitems != incoming)
    curl_mfprintf(stderr, "returns error from callback\n");
  return nitems;
}
#endif

static CURLcode test_lib2301(const char *URL)
{
#ifndef CURL_DISABLE_WEBSOCKETS
  CURL *curl;
  CURLcode result = CURLE_OK;

  global_init(CURL_GLOBAL_ALL);

  curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, URL);

    /* use the callback style */
    curl_easy_setopt(curl, CURLOPT_USERAGENT, "webbie-sox/3");
    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
    curl_easy_setopt(curl, CURLOPT_WS_OPTIONS, CURLWS_RAW_MODE);
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, t2301_write_cb);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl);
    result = curl_easy_perform(curl);
    curl_mfprintf(stderr, "curl_easy_perform() returned %d\n", result);
#if 0
    if(result == CURLE_OK)
      t2301_websocket(curl);
#endif
    /* always cleanup */
    curl_easy_cleanup(curl);
  }
  curl_global_cleanup();
  return result;
#else
  NO_SUPPORT_BUILT_IN
#endif
}