diff options
author | Stefano Sabatini <stefasab@gmail.com> | 2023-01-15 12:44:04 +0100 |
---|---|---|
committer | Stefano Sabatini <stefasab@gmail.com> | 2023-02-11 17:49:01 +0100 |
commit | 2e4694707e619ddb736489cc32ace997c6788930 (patch) | |
tree | 67c7eae826d0b44e66705f3af4b4dafb5c6c0480 /doc/examples/http_multiclient.c | |
parent | 1ae619e8ee1d4ae9d16820df75b8dd9dcbedd8cd (diff) | |
download | ffmpeg-2e4694707e619ddb736489cc32ace997c6788930.tar.gz |
examples: rename http_multiclient to avio_http_serve_files
Diffstat (limited to 'doc/examples/http_multiclient.c')
-rw-r--r-- | doc/examples/http_multiclient.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/doc/examples/http_multiclient.c b/doc/examples/http_multiclient.c deleted file mode 100644 index 831e89c60a..0000000000 --- a/doc/examples/http_multiclient.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (c) 2015 Stephan Holljes - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -/** - * @file - * libavformat multi-client network API usage example. - * - * @example http_multiclient.c - * This example will serve a file without decoding or demuxing it over http. - * Multiple clients can connect and will receive the same file. - */ - -#include <libavformat/avformat.h> -#include <libavutil/opt.h> -#include <unistd.h> - -static void process_client(AVIOContext *client, const char *in_uri) -{ - AVIOContext *input = NULL; - uint8_t buf[1024]; - int ret, n, reply_code; - uint8_t *resource = NULL; - while ((ret = avio_handshake(client)) > 0) { - av_opt_get(client, "resource", AV_OPT_SEARCH_CHILDREN, &resource); - // check for strlen(resource) is necessary, because av_opt_get() - // may return empty string. - if (resource && strlen(resource)) - break; - av_freep(&resource); - } - if (ret < 0) - goto end; - av_log(client, AV_LOG_TRACE, "resource=%p\n", resource); - if (resource && resource[0] == '/' && !strcmp((resource + 1), in_uri)) { - reply_code = 200; - } else { - reply_code = AVERROR_HTTP_NOT_FOUND; - } - if ((ret = av_opt_set_int(client, "reply_code", reply_code, AV_OPT_SEARCH_CHILDREN)) < 0) { - av_log(client, AV_LOG_ERROR, "Failed to set reply_code: %s.\n", av_err2str(ret)); - goto end; - } - av_log(client, AV_LOG_TRACE, "Set reply code to %d\n", reply_code); - - while ((ret = avio_handshake(client)) > 0); - - if (ret < 0) - goto end; - - fprintf(stderr, "Handshake performed.\n"); - if (reply_code != 200) - goto end; - fprintf(stderr, "Opening input file.\n"); - if ((ret = avio_open2(&input, in_uri, AVIO_FLAG_READ, NULL, NULL)) < 0) { - av_log(input, AV_LOG_ERROR, "Failed to open input: %s: %s.\n", in_uri, - av_err2str(ret)); - goto end; - } - for(;;) { - n = avio_read(input, buf, sizeof(buf)); - if (n < 0) { - if (n == AVERROR_EOF) - break; - av_log(input, AV_LOG_ERROR, "Error reading from input: %s.\n", - av_err2str(n)); - break; - } - avio_write(client, buf, n); - avio_flush(client); - } -end: - fprintf(stderr, "Flushing client\n"); - avio_flush(client); - fprintf(stderr, "Closing client\n"); - avio_close(client); - fprintf(stderr, "Closing input\n"); - avio_close(input); - av_freep(&resource); -} - -int main(int argc, char **argv) -{ - AVDictionary *options = NULL; - AVIOContext *client = NULL, *server = NULL; - const char *in_uri, *out_uri; - int ret, pid; - av_log_set_level(AV_LOG_TRACE); - if (argc < 3) { - printf("usage: %s input http://hostname[:port]\n" - "API example program to serve http to multiple clients.\n" - "\n", argv[0]); - return 1; - } - - in_uri = argv[1]; - out_uri = argv[2]; - - avformat_network_init(); - - if ((ret = av_dict_set(&options, "listen", "2", 0)) < 0) { - fprintf(stderr, "Failed to set listen mode for server: %s\n", av_err2str(ret)); - return ret; - } - if ((ret = avio_open2(&server, out_uri, AVIO_FLAG_WRITE, NULL, &options)) < 0) { - fprintf(stderr, "Failed to open server: %s\n", av_err2str(ret)); - return ret; - } - fprintf(stderr, "Entering main loop.\n"); - for(;;) { - if ((ret = avio_accept(server, &client)) < 0) - goto end; - fprintf(stderr, "Accepted client, forking process.\n"); - // XXX: Since we don't reap our children and don't ignore signals - // this produces zombie processes. - pid = fork(); - if (pid < 0) { - perror("Fork failed"); - ret = AVERROR(errno); - goto end; - } - if (pid == 0) { - fprintf(stderr, "In child.\n"); - process_client(client, in_uri); - avio_close(server); - exit(0); - } - if (pid > 0) - avio_close(client); - } -end: - avio_close(server); - if (ret < 0 && ret != AVERROR_EOF) { - fprintf(stderr, "Some errors occurred: %s\n", av_err2str(ret)); - return 1; - } - return 0; -} |