4 * Copyright (c) 2009 Toshimitsu Kimura
6 * based on libavformat/http.c, Copyright (c) 2000, 2001 Fabrice Bellard
8 * This file is part of FFmpeg.
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "libavutil/avstring.h"
33 static int gopher_write(URLContext *h, uint8_t *buf, int size)
35 GopherContext *s = h->priv_data;
36 return url_write(s->hd, buf, size);
39 static int gopher_connect(URLContext *h, const char *path)
43 if (!*path) return AVERROR(EINVAL);
47 path = strchr(path, '/');
48 if (!path) return AVERROR(EINVAL);
51 av_log(NULL, AV_LOG_WARNING,
52 "Gopher protocol type '%c' not supported yet!\n",
54 return AVERROR(EINVAL);
57 /* send gopher sector */
58 snprintf(buffer, sizeof(buffer), "%s\r\n", path);
60 if (gopher_write(h, buffer, strlen(buffer)) < 0)
66 static int gopher_close(URLContext *h)
68 GopherContext *s = h->priv_data;
73 av_freep(&h->priv_data);
77 static int gopher_open(URLContext *h, const char *uri, int flags)
80 char hostname[1024], auth[1024], path[1024], buf[1024];
85 s = av_malloc(sizeof(GopherContext));
87 return AVERROR(ENOMEM);
91 /* needed in any case to build the host string */
92 url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
93 path, sizeof(path), uri);
98 snprintf(buf, sizeof(buf), "tcp://%s:%d", hostname, port);
101 err = url_open(&s->hd, buf, URL_RDWR);
105 if ((err = gopher_connect(h, path)) < 0)
113 static int gopher_read(URLContext *h, uint8_t *buf, int size)
115 GopherContext *s = h->priv_data;
116 int len = url_read(s->hd, buf, size);
121 URLProtocol gopher_protocol = {