Update networking layer w/ CURL and emscripten impl
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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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/* This is based on the PoC client of issue #11769
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*/
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#include "first.h"
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#include "testtrace.h"
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#include "memdebug.h"
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static size_t total_read = 0;
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static size_t read_callback(char *ptr, size_t size, size_t nmemb,
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void *userdata)
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{
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static const size_t PAUSE_READ_AFTER = 1;
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(void)size;
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(void)nmemb;
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(void)userdata;
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if(total_read >= PAUSE_READ_AFTER) {
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curl_mfprintf(stderr, "read_callback, return PAUSE\n");
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return CURL_READFUNC_PAUSE;
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}
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else {
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ptr[0] = '\n';
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++total_read;
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curl_mfprintf(stderr, "read_callback, return 1 byte\n");
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return 1;
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}
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}
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static int progress_callback(void *clientp,
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curl_off_t dltotal,
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curl_off_t dlnow,
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curl_off_t ultotal,
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curl_off_t ulnow)
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{
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(void)dltotal;
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(void)dlnow;
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(void)ultotal;
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(void)ulnow;
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(void)clientp;
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#if 0
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/* Used to unpause on progress, but keeping for now. */
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{
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CURL *curl = (CURL *)clientp;
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curl_easy_pause(curl, CURLPAUSE_CONT);
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/* curl_easy_pause(curl, CURLPAUSE_RECV_CONT); */
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}
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#endif
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return 0;
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}
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static void usage_upload_pausing(const char *msg)
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{
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if(msg)
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curl_mfprintf(stderr, "%s\n", msg);
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curl_mfprintf(stderr,
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"usage: [options] url\n"
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" upload and pause, options:\n"
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" -V http_version (http/1.1, h2, h3) http version to use\n"
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);
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}
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static CURLcode test_cli_upload_pausing(const char *URL)
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{
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CURL *curl = NULL;
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CURLcode result = CURLE_OK;
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CURLU *cu;
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struct curl_slist *resolve = NULL;
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char resolve_buf[1024];
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const char *url;
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char *host = NULL, *port = NULL;
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long http_version = CURL_HTTP_VERSION_1_1;
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int ch;
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(void)URL;
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while((ch = cgetopt(test_argc, test_argv, "V:")) != -1) {
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switch(ch) {
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case 'V': {
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if(!strcmp("http/1.1", coptarg))
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http_version = CURL_HTTP_VERSION_1_1;
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else if(!strcmp("h2", coptarg))
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http_version = CURL_HTTP_VERSION_2_0;
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else if(!strcmp("h3", coptarg))
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http_version = CURL_HTTP_VERSION_3ONLY;
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else {
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usage_upload_pausing("invalid http version");
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return (CURLcode)1;
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}
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break;
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}
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default:
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usage_upload_pausing("invalid option");
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return (CURLcode)1;
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}
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}
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test_argc -= coptind;
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test_argv += coptind;
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if(test_argc != 1) {
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usage_upload_pausing("not enough arguments");
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return (CURLcode)2;
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}
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url = test_argv[0];
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if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
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curl_mfprintf(stderr, "curl_global_init() failed\n");
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return (CURLcode)3;
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}
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curl_global_trace("ids,time");
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cu = curl_url();
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if(!cu) {
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curl_mfprintf(stderr, "out of memory\n");
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result = (CURLcode)1;
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goto cleanup;
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}
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if(curl_url_set(cu, CURLUPART_URL, url, 0)) {
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curl_mfprintf(stderr, "not a URL: '%s'\n", url);
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result = (CURLcode)1;
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goto cleanup;
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}
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if(curl_url_get(cu, CURLUPART_HOST, &host, 0)) {
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curl_mfprintf(stderr, "could not get host of '%s'\n", url);
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result = (CURLcode)1;
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goto cleanup;
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}
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if(curl_url_get(cu, CURLUPART_PORT, &port, 0)) {
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curl_mfprintf(stderr, "could not get port of '%s'\n", url);
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result = (CURLcode)1;
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goto cleanup;
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}
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memset(&resolve, 0, sizeof(resolve));
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curl_msnprintf(resolve_buf, sizeof(resolve_buf)-1, "%s:%s:127.0.0.1",
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host, port);
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resolve = curl_slist_append(resolve, resolve_buf);
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curl = curl_easy_init();
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if(!curl) {
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curl_mfprintf(stderr, "out of memory\n");
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result = (CURLcode)1;
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goto cleanup;
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}
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/* We want to use our own read function. */
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
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/* It will help us to continue the read function. */
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curl_easy_setopt(curl, CURLOPT_XFERINFOFUNCTION, progress_callback);
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curl_easy_setopt(curl, CURLOPT_XFERINFODATA, curl);
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
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/* It will help us to ensure that keepalive does not help. */
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 1L);
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 1L);
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curl_easy_setopt(curl, CURLOPT_TCP_KEEPCNT, 1L);
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/* Enable uploading. */
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curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "POST");
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
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if(curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L) != CURLE_OK ||
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curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, cli_debug_cb) != CURLE_OK ||
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curl_easy_setopt(curl, CURLOPT_RESOLVE, resolve) != CURLE_OK) {
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curl_mfprintf(stderr, "something unexpected went wrong - bailing out!\n");
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result = (CURLcode)2;
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goto cleanup;
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}
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curl_easy_setopt(curl, CURLOPT_URL, url);
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curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, http_version);
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result = curl_easy_perform(curl);
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cleanup:
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if(curl)
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curl_easy_cleanup(curl);
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curl_slist_free_all(resolve);
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curl_free(host);
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curl_free(port);
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if(cu)
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curl_url_cleanup(cu);
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curl_global_cleanup();
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return result;
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}
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