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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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f21e123bcc
Since we no longer use an array of error messages, there is no reason to clamp the error code, which allows us to simplify the code some more and also to actually report the correct error code for unknown errors.
510 lines
14 KiB
C
510 lines
14 KiB
C
/* GStreamer
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* Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* SECTION:gstrtspdefs
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* @short_description: common RTSP defines
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* @see_also: gstrtspurl, gstrtspconnection
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*
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* <refsect2>
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* <para>
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* Provides common defines for the RTSP library.
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* </para>
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* </refsect2>
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*
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* Last reviewed on 2007-07-24 (0.10.14)
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*/
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#include <errno.h>
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#include "gstrtspdefs.h"
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#ifdef G_OS_WIN32
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#include <winsock2.h>
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#else
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#include <netdb.h>
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#endif
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struct rtsp_header
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{
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const gchar *name;
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gboolean multiple;
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};
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static const gchar *rtsp_methods[] = {
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"DESCRIBE",
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"ANNOUNCE",
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"GET_PARAMETER",
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"OPTIONS",
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"PAUSE",
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"PLAY",
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"RECORD",
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"REDIRECT",
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"SETUP",
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"SET_PARAMETER",
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"TEARDOWN",
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"GET",
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"POST",
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NULL
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};
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static struct rtsp_header rtsp_headers[] = {
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{"Accept", TRUE},
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{"Accept-Encoding", TRUE},
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{"Accept-Language", TRUE},
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{"Allow", TRUE},
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{"Authorization", FALSE},
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{"Bandwidth", FALSE},
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{"Blocksize", FALSE},
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{"Cache-Control", TRUE},
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{"Conference", FALSE},
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{"Connection", TRUE},
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{"Content-Base", FALSE},
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{"Content-Encoding", TRUE},
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{"Content-Language", TRUE},
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{"Content-Length", FALSE},
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{"Content-Location", FALSE},
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{"Content-Type", FALSE},
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{"CSeq", FALSE},
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{"Date", FALSE},
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{"Expires", FALSE},
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{"From", FALSE},
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{"If-Modified-Since", FALSE},
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{"Last-Modified", FALSE},
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{"Proxy-Authenticate", TRUE},
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{"Proxy-Require", TRUE},
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{"Public", TRUE},
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{"Range", FALSE},
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{"Referer", FALSE},
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{"Require", TRUE},
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{"Retry-After", FALSE},
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{"RTP-Info", TRUE},
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{"Scale", FALSE},
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{"Session", FALSE},
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{"Server", FALSE},
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{"Speed", FALSE},
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{"Transport", TRUE},
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{"Unsupported", FALSE},
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{"User-Agent", FALSE},
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{"Via", TRUE},
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{"WWW-Authenticate", TRUE},
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/* Real extensions */
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{"ClientChallenge", FALSE},
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{"RealChallenge1", FALSE},
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{"RealChallenge2", FALSE},
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{"RealChallenge3", FALSE},
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{"Subscribe", FALSE},
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{"Alert", FALSE},
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{"ClientID", FALSE},
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{"CompanyID", FALSE},
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{"GUID", FALSE},
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{"RegionData", FALSE},
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{"SupportsMaximumASMBandwidth", FALSE},
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{"Language", FALSE},
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{"PlayerStarttime", FALSE},
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/* Since 0.10.16 */
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{"Location", FALSE},
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/* Since 0.10.23 */
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{"ETag", FALSE},
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{"If-Match", TRUE},
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/* WM extensions [MS-RTSP] Since 0.10.23 */
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{"Accept-Charset", TRUE},
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{"Supported", TRUE},
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{"Vary", TRUE},
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{"X-Accelerate-Streaming", FALSE},
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{"X-Accept-Authentication", FALSE},
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{"X-Accept-Proxy-Authentication", FALSE},
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{"X-Broadcast-Id", FALSE},
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{"X-Burst-Streaming", FALSE},
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{"X-Notice", FALSE},
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{"X-Player-Lag-Time", FALSE},
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{"X-Playlist", FALSE},
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{"X-Playlist-Change-Notice", FALSE},
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{"X-Playlist-Gen-Id", FALSE},
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{"X-Playlist-Seek-Id", FALSE},
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{"X-Proxy-Client-Agent", FALSE},
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{"X-Proxy-Client-Verb", FALSE},
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{"X-Receding-PlaylistChange", FALSE},
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{"X-RTP-Info", FALSE},
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{"X-StartupProfile", FALSE},
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/* Since 0.10.24 */
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{"Timestamp", FALSE},
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/* Since 0.10.25 */
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{"Authentication-Info", FALSE},
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{"Host", FALSE},
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{"Pragma", TRUE},
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{"X-Server-IP-Address", FALSE},
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{"X-Sessioncookie", FALSE},
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{NULL, FALSE}
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};
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#define DEF_STATUS(c, t) \
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g_hash_table_insert (statuses, GUINT_TO_POINTER(c), (gpointer) t)
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static GHashTable *
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rtsp_init_status (void)
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{
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GHashTable *statuses = g_hash_table_new (NULL, NULL);
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DEF_STATUS (GST_RTSP_STS_CONTINUE, "Continue");
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DEF_STATUS (GST_RTSP_STS_OK, "OK");
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DEF_STATUS (GST_RTSP_STS_CREATED, "Created");
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DEF_STATUS (GST_RTSP_STS_LOW_ON_STORAGE, "Low on Storage Space");
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DEF_STATUS (GST_RTSP_STS_MULTIPLE_CHOICES, "Multiple Choices");
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DEF_STATUS (GST_RTSP_STS_MOVED_PERMANENTLY, "Moved Permanently");
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DEF_STATUS (GST_RTSP_STS_MOVE_TEMPORARILY, "Move Temporarily");
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DEF_STATUS (GST_RTSP_STS_SEE_OTHER, "See Other");
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DEF_STATUS (GST_RTSP_STS_NOT_MODIFIED, "Not Modified");
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DEF_STATUS (GST_RTSP_STS_USE_PROXY, "Use Proxy");
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DEF_STATUS (GST_RTSP_STS_BAD_REQUEST, "Bad Request");
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DEF_STATUS (GST_RTSP_STS_UNAUTHORIZED, "Unauthorized");
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DEF_STATUS (GST_RTSP_STS_PAYMENT_REQUIRED, "Payment Required");
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DEF_STATUS (GST_RTSP_STS_FORBIDDEN, "Forbidden");
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DEF_STATUS (GST_RTSP_STS_NOT_FOUND, "Not Found");
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DEF_STATUS (GST_RTSP_STS_METHOD_NOT_ALLOWED, "Method Not Allowed");
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DEF_STATUS (GST_RTSP_STS_NOT_ACCEPTABLE, "Not Acceptable");
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DEF_STATUS (GST_RTSP_STS_PROXY_AUTH_REQUIRED,
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"Proxy Authentication Required");
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DEF_STATUS (GST_RTSP_STS_REQUEST_TIMEOUT, "Request Time-out");
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DEF_STATUS (GST_RTSP_STS_GONE, "Gone");
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DEF_STATUS (GST_RTSP_STS_LENGTH_REQUIRED, "Length Required");
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DEF_STATUS (GST_RTSP_STS_PRECONDITION_FAILED, "Precondition Failed");
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DEF_STATUS (GST_RTSP_STS_REQUEST_ENTITY_TOO_LARGE,
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"Request Entity Too Large");
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DEF_STATUS (GST_RTSP_STS_REQUEST_URI_TOO_LARGE, "Request-URI Too Large");
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DEF_STATUS (GST_RTSP_STS_UNSUPPORTED_MEDIA_TYPE, "Unsupported Media Type");
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DEF_STATUS (GST_RTSP_STS_PARAMETER_NOT_UNDERSTOOD,
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"Parameter Not Understood");
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DEF_STATUS (GST_RTSP_STS_CONFERENCE_NOT_FOUND, "Conference Not Found");
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DEF_STATUS (GST_RTSP_STS_NOT_ENOUGH_BANDWIDTH, "Not Enough Bandwidth");
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DEF_STATUS (GST_RTSP_STS_SESSION_NOT_FOUND, "Session Not Found");
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DEF_STATUS (GST_RTSP_STS_METHOD_NOT_VALID_IN_THIS_STATE,
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"Method Not Valid in This State");
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DEF_STATUS (GST_RTSP_STS_HEADER_FIELD_NOT_VALID_FOR_RESOURCE,
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"Header Field Not Valid for Resource");
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DEF_STATUS (GST_RTSP_STS_INVALID_RANGE, "Invalid Range");
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DEF_STATUS (GST_RTSP_STS_PARAMETER_IS_READONLY, "Parameter Is Read-Only");
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DEF_STATUS (GST_RTSP_STS_AGGREGATE_OPERATION_NOT_ALLOWED,
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"Aggregate operation not allowed");
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DEF_STATUS (GST_RTSP_STS_ONLY_AGGREGATE_OPERATION_ALLOWED,
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"Only aggregate operation allowed");
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DEF_STATUS (GST_RTSP_STS_UNSUPPORTED_TRANSPORT, "Unsupported transport");
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DEF_STATUS (GST_RTSP_STS_DESTINATION_UNREACHABLE, "Destination unreachable");
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DEF_STATUS (GST_RTSP_STS_INTERNAL_SERVER_ERROR, "Internal Server Error");
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DEF_STATUS (GST_RTSP_STS_NOT_IMPLEMENTED, "Not Implemented");
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DEF_STATUS (GST_RTSP_STS_BAD_GATEWAY, "Bad Gateway");
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DEF_STATUS (GST_RTSP_STS_SERVICE_UNAVAILABLE, "Service Unavailable");
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DEF_STATUS (GST_RTSP_STS_GATEWAY_TIMEOUT, "Gateway Time-out");
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DEF_STATUS (GST_RTSP_STS_RTSP_VERSION_NOT_SUPPORTED,
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"RTSP Version not supported");
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DEF_STATUS (GST_RTSP_STS_OPTION_NOT_SUPPORTED, "Option not supported");
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return statuses;
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}
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/**
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* gst_rtsp_strresult:
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* @result: a #GstRTSPResult
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*
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* Convert @result in a human readable string.
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*
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* Returns: a newly allocated string. g_free() after usage.
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*/
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gchar *
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gst_rtsp_strresult (GstRTSPResult result)
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{
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switch (result) {
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case GST_RTSP_OK:
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return g_strdup ("OK");
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#ifdef G_OS_WIN32
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case GST_RTSP_ESYS:
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case GST_RTSP_ENET:
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{
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gchar *res, *msg;
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msg = g_win32_error_message (WSAGetLastError ());
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if (result == GST_RTSP_ESYS)
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res = g_strdup_printf ("System error: %s", msg);
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else
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res = g_strdup_printf ("Network error: %s", msg);
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g_free (msg);
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return res;
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}
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#else
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case GST_RTSP_ESYS:
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return g_strdup_printf ("System error: %s", g_strerror (errno));
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case GST_RTSP_ENET:
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return g_strdup_printf ("Network error: %s", hstrerror (h_errno));
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#endif
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case GST_RTSP_ERROR:
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return g_strdup ("Generic error");
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case GST_RTSP_EINVAL:
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return g_strdup ("Invalid parameter specified");
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case GST_RTSP_EINTR:
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return g_strdup ("Operation interrupted");
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case GST_RTSP_ENOMEM:
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return g_strdup ("Out of memory");
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case GST_RTSP_ERESOLV:
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return g_strdup ("Cannot resolve host");
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case GST_RTSP_ENOTIMPL:
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return g_strdup ("Function not implemented");
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case GST_RTSP_EPARSE:
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return g_strdup ("Parse error");
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case GST_RTSP_EWSASTART:
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return g_strdup ("Error on WSAStartup");
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case GST_RTSP_EWSAVERSION:
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return g_strdup ("Windows sockets are not version 0x202");
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case GST_RTSP_EEOF:
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return g_strdup ("Received end-of-file");
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case GST_RTSP_ENOTIP:
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return g_strdup ("Host is not a valid IP address");
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case GST_RTSP_ETIMEOUT:
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return g_strdup ("Timeout while waiting for server response");
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case GST_RTSP_ETGET:
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return g_strdup ("Tunnel GET request received");
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case GST_RTSP_ETPOST:
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return g_strdup ("Tunnel POST request received");
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case GST_RTSP_ELAST:
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default:
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return g_strdup_printf ("Unknown error (%d)", result);
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}
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}
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/**
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* gst_rtsp_method_as_text:
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* @method: a #GstRTSPMethod
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*
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* Convert @method to a string.
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*
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* Returns: a string representation of @method.
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*/
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const gchar *
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gst_rtsp_method_as_text (GstRTSPMethod method)
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{
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gint i;
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if (method == GST_RTSP_INVALID)
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return NULL;
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i = 0;
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while ((method & 1) == 0) {
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i++;
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method >>= 1;
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}
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return rtsp_methods[i];
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}
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/**
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* gst_rtsp_version_as_text:
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* @version: a #GstRTSPVersion
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*
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* Convert @version to a string.
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*
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* Returns: a string representation of @version.
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*/
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const gchar *
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gst_rtsp_version_as_text (GstRTSPVersion version)
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{
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switch (version) {
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case GST_RTSP_VERSION_1_0:
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return "1.0";
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case GST_RTSP_VERSION_1_1:
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return "1.1";
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default:
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return "0.0";
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}
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}
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/**
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* gst_rtsp_header_as_text:
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* @field: a #GstRTSPHeaderField
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*
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* Convert @field to a string.
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*
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* Returns: a string representation of @field.
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*/
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const gchar *
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gst_rtsp_header_as_text (GstRTSPHeaderField field)
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{
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if (field == GST_RTSP_HDR_INVALID)
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return NULL;
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else
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return rtsp_headers[field - 1].name;
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}
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/**
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* gst_rtsp_status_as_text:
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* @code: a #GstRTSPStatusCode
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*
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* Convert @code to a string.
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*
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* Returns: a string representation of @code.
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*/
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const gchar *
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gst_rtsp_status_as_text (GstRTSPStatusCode code)
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{
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static GHashTable *statuses;
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if (G_UNLIKELY (statuses == NULL))
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statuses = rtsp_init_status ();
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return g_hash_table_lookup (statuses, GUINT_TO_POINTER (code));
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}
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/**
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* gst_rtsp_find_header_field:
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* @header: a header string
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*
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* Convert @header to a #GstRTSPHeaderField.
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*
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* Returns: a #GstRTSPHeaderField for @header or #GST_RTSP_HDR_INVALID if the
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* header field is unknown.
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*/
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GstRTSPHeaderField
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gst_rtsp_find_header_field (const gchar * header)
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{
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gint idx;
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for (idx = 0; rtsp_headers[idx].name; idx++) {
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if (g_ascii_strcasecmp (rtsp_headers[idx].name, header) == 0) {
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return idx + 1;
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}
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}
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return GST_RTSP_HDR_INVALID;
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}
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/**
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* gst_rtsp_find_method:
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* @method: a method
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*
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* Convert @method to a #GstRTSPMethod.
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*
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* Returns: a #GstRTSPMethod for @method or #GST_RTSP_INVALID if the
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* method is unknown.
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*/
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GstRTSPMethod
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gst_rtsp_find_method (const gchar * method)
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{
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gint idx;
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for (idx = 0; rtsp_methods[idx]; idx++) {
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if (g_ascii_strcasecmp (rtsp_methods[idx], method) == 0) {
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return (1 << idx);
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}
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}
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return GST_RTSP_INVALID;
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}
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/**
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* gst_rtsp_options_as_text:
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* @options: one or more #GstRTSPMethod
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*
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* Convert @options to a string.
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*
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* Returns: a new string of @options. g_free() after usage.
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*
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* Since: 0.10.23
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*/
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gchar *
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gst_rtsp_options_as_text (GstRTSPMethod options)
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{
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GString *str;
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str = g_string_new ("");
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if (options & GST_RTSP_OPTIONS)
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g_string_append (str, "OPTIONS, ");
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if (options & GST_RTSP_DESCRIBE)
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g_string_append (str, "DESCRIBE, ");
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if (options & GST_RTSP_ANNOUNCE)
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g_string_append (str, "ANNOUNCE, ");
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if (options & GST_RTSP_GET_PARAMETER)
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g_string_append (str, "GET_PARAMETER, ");
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if (options & GST_RTSP_PAUSE)
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g_string_append (str, "PAUSE, ");
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if (options & GST_RTSP_PLAY)
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g_string_append (str, "PLAY, ");
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if (options & GST_RTSP_RECORD)
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g_string_append (str, "RECORD, ");
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if (options & GST_RTSP_REDIRECT)
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g_string_append (str, "REDIRECT, ");
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if (options & GST_RTSP_SETUP)
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g_string_append (str, "SETUP, ");
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if (options & GST_RTSP_SET_PARAMETER)
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g_string_append (str, "SET_PARAMETER, ");
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if (options & GST_RTSP_TEARDOWN)
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g_string_append (str, "TEARDOWN, ");
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/* remove trailing ", " if there is one */
|
|
if (str->len > 2)
|
|
str = g_string_truncate (str, str->len - 2);
|
|
|
|
return g_string_free (str, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_rtsp_header_allow_multiple:
|
|
* @field: a #GstRTSPHeaderField
|
|
*
|
|
* Check whether @field may appear multiple times in a message.
|
|
*
|
|
* Returns: %TRUE if multiple headers are allowed.
|
|
*
|
|
* Since: 0.10.25
|
|
*/
|
|
gboolean
|
|
gst_rtsp_header_allow_multiple (GstRTSPHeaderField field)
|
|
{
|
|
if (field == GST_RTSP_HDR_INVALID)
|
|
return FALSE;
|
|
else
|
|
return rtsp_headers[field - 1].multiple;
|
|
}
|