/* GStreamer
* Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Unless otherwise indicated, Source Code is licensed under MIT license.
* See further explanation attached in License Statement (distributed in the file
* LICENSE).
*
* 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.
*/
/**
* SECTION:gstrtspdefs
* @short_description: common RTSP defines
* @see_also: gstrtspurl, gstrtspconnection
*
* <refsect2>
* <para>
* Provides common defines for the RTSP library.
* </para>
* </refsect2>
*
* Last reviewed on 2007-07-24 (0.10.14)
*/
#include <errno.h>
extern int h_errno;
#include "gstrtspdefs.h"
#ifndef G_OS_WIN32
#include <netdb.h>
#endif
static const gchar *rtsp_results[] = {
"OK",
/* errors */
"Generic error",
"Invalid parameter specified",
"Operation interrupted",
"Out of memory",
"Cannot resolve host",
"Function not implemented",
"System error: %s",
"Parse error",
"Error on WSAStartup",
"Windows sockets are not version 0x202",
"Received end-of-file",
"Network error: %s",
"Host is not a valid IP address",
"Timeout while waiting for server response",
"Unknown error (%d)",
NULL
};
static const gchar *rtsp_methods[] = {
"DESCRIBE",
"ANNOUNCE",
"GET_PARAMETER",
"OPTIONS",
"PAUSE",
"PLAY",
"RECORD",
"REDIRECT",
"SETUP",
"SET_PARAMETER",
"TEARDOWN",
NULL
};
static const gchar *rtsp_headers[] = {
"Accept", /* Accept R opt. entity */
"Accept-Encoding", /* Accept-Encoding R opt. entity */
"Accept-Language", /* Accept-Language R opt. all */
"Allow", /* Allow r opt. all */
"Authorization", /* Authorization R opt. all */
"Bandwidth", /* Bandwidth R opt. all */
"Blocksize", /* Blocksize R opt. all but OPTIONS, TEARDOWN */
"Cache-Control", /* Cache-Control g opt. SETUP */
"Conference", /* Conference R opt. SETUP */
"Connection", /* Connection g req. all */
"Content-Base", /* Content-Base e opt. entity */
"Content-Encoding", /* Content-Encoding e req. SET_PARAMETER, DESCRIBE, ANNOUNCE */
"Content-Language", /* Content-Language e req. DESCRIBE, ANNOUNCE */
"Content-Length", /* Content-Length e req. SET_PARAMETER, ANNOUNCE, entity */
"Content-Location", /* Content-Location e opt. entity */
"Content-Type", /* Content-Type e req. SET_PARAMETER, ANNOUNCE, entity */
"CSeq", /* CSeq g req. all */
"Date", /* Date g opt. all */
"Expires", /* Expires e opt. DESCRIBE, ANNOUNCE */
"From", /* From R opt. all */
"If-Modified-Since", /* If-Modified-Since R opt. DESCRIBE, SETUP */
"Last-Modified", /* Last-Modified e opt. entity */
"Proxy-Authenticate", /* Proxy-Authenticate */
"Proxy-Require", /* Proxy-Require R req. all */
"Public", /* Public r opt. all */
"Range", /* Range Rr opt. PLAY, PAUSE, RECORD */
"Referer", /* Referer R opt. all */
"Require", /* Require R req. all */
"Retry-After", /* Retry-After r opt. all */
"RTP-Info", /* RTP-Info r req. PLAY */
"Scale", /* Scale Rr opt. PLAY, RECORD */
"Session", /* Session Rr req. all but SETUP, OPTIONS */
"Server", /* Server r opt. all */
"Speed", /* Speed Rr opt. PLAY */
"Transport", /* Transport Rr req. SETUP */
"Unsupported", /* Unsupported r req. all */
"User-Agent", /* User-Agent R opt. all */
"Via", /* Via g opt. all */
"WWW-Authenticate", /* WWW-Authenticate r opt. all */
/* Real extensions */
"ClientChallenge", /* ClientChallenge */
"RealChallenge1", /* RealChallenge1 */
"RealChallenge2", /* RealChallenge2 */
"RealChallenge3", /* RealChallenge3 */
"Subscribe", /* Subscribe */
"Alert", /* Alert */
"ClientID", /* ClientID */
"CompanyID", /* CompanyID */
"GUID", /* GUID */
"RegionData", /* RegionData */
"SupportsMaximumASMBandwidth", /* SupportsMaximumASMBandwidth */
"Language", /* Language */
"PlayerStarttime", /* PlayerStarttime */
"Location", /* Location */
NULL
};
#define DEF_STATUS(c, t) \
g_hash_table_insert (statuses, GUINT_TO_POINTER(c), t)
static GHashTable *
rtsp_init_status (void)
{
GHashTable *statuses = g_hash_table_new (NULL, NULL);
DEF_STATUS (GST_RTSP_STS_CONTINUE, "Continue");
DEF_STATUS (GST_RTSP_STS_OK, "OK");
DEF_STATUS (GST_RTSP_STS_CREATED, "Created");
DEF_STATUS (GST_RTSP_STS_LOW_ON_STORAGE, "Low on Storage Space");
DEF_STATUS (GST_RTSP_STS_MULTIPLE_CHOICES, "Multiple Choices");
DEF_STATUS (GST_RTSP_STS_MOVED_PERMANENTLY, "Moved Permanently");
DEF_STATUS (GST_RTSP_STS_MOVE_TEMPORARILY, "Move Temporarily");
DEF_STATUS (GST_RTSP_STS_SEE_OTHER, "See Other");
DEF_STATUS (GST_RTSP_STS_NOT_MODIFIED, "Not Modified");
DEF_STATUS (GST_RTSP_STS_USE_PROXY, "Use Proxy");
DEF_STATUS (GST_RTSP_STS_BAD_REQUEST, "Bad Request");
DEF_STATUS (GST_RTSP_STS_UNAUTHORIZED, "Unauthorized");
DEF_STATUS (GST_RTSP_STS_PAYMENT_REQUIRED, "Payment Required");
DEF_STATUS (GST_RTSP_STS_FORBIDDEN, "Forbidden");
DEF_STATUS (GST_RTSP_STS_NOT_FOUND, "Not Found");
DEF_STATUS (GST_RTSP_STS_METHOD_NOT_ALLOWED, "Method Not Allowed");
DEF_STATUS (GST_RTSP_STS_NOT_ACCEPTABLE, "Not Acceptable");
DEF_STATUS (GST_RTSP_STS_PROXY_AUTH_REQUIRED,
"Proxy Authentication Required");
DEF_STATUS (GST_RTSP_STS_REQUEST_TIMEOUT, "Request Time-out");
DEF_STATUS (GST_RTSP_STS_GONE, "Gone");
DEF_STATUS (GST_RTSP_STS_LENGTH_REQUIRED, "Length Required");
DEF_STATUS (GST_RTSP_STS_PRECONDITION_FAILED, "Precondition Failed");
DEF_STATUS (GST_RTSP_STS_REQUEST_ENTITY_TOO_LARGE,
"Request Entity Too Large");
DEF_STATUS (GST_RTSP_STS_REQUEST_URI_TOO_LARGE, "Request-URI Too Large");
DEF_STATUS (GST_RTSP_STS_UNSUPPORTED_MEDIA_TYPE, "Unsupported Media Type");
DEF_STATUS (GST_RTSP_STS_PARAMETER_NOT_UNDERSTOOD,
"Parameter Not Understood");
DEF_STATUS (GST_RTSP_STS_CONFERENCE_NOT_FOUND, "Conference Not Found");
DEF_STATUS (GST_RTSP_STS_NOT_ENOUGH_BANDWIDTH, "Not Enough Bandwidth");
DEF_STATUS (GST_RTSP_STS_SESSION_NOT_FOUND, "Session Not Found");
DEF_STATUS (GST_RTSP_STS_METHOD_NOT_VALID_IN_THIS_STATE,
"Method Not Valid in This State");
DEF_STATUS (GST_RTSP_STS_HEADER_FIELD_NOT_VALID_FOR_RESOURCE,
"Header Field Not Valid for Resource");
DEF_STATUS (GST_RTSP_STS_INVALID_RANGE, "Invalid Range");
DEF_STATUS (GST_RTSP_STS_PARAMETER_IS_READONLY, "Parameter Is Read-Only");
DEF_STATUS (GST_RTSP_STS_AGGREGATE_OPERATION_NOT_ALLOWED,
"Aggregate operation not allowed");
DEF_STATUS (GST_RTSP_STS_ONLY_AGGREGATE_OPERATION_ALLOWED,
"Only aggregate operation allowed");
DEF_STATUS (GST_RTSP_STS_UNSUPPORTED_TRANSPORT, "Unsupported transport");
DEF_STATUS (GST_RTSP_STS_DESTINATION_UNREACHABLE, "Destination unreachable");
DEF_STATUS (GST_RTSP_STS_INTERNAL_SERVER_ERROR, "Internal Server Error");
DEF_STATUS (GST_RTSP_STS_NOT_IMPLEMENTED, "Not Implemented");
DEF_STATUS (GST_RTSP_STS_BAD_GATEWAY, "Bad Gateway");
DEF_STATUS (GST_RTSP_STS_SERVICE_UNAVAILABLE, "Service Unavailable");
DEF_STATUS (GST_RTSP_STS_GATEWAY_TIMEOUT, "Gateway Time-out");
DEF_STATUS (GST_RTSP_STS_RTSP_VERSION_NOT_SUPPORTED,
"RTSP Version not supported");
DEF_STATUS (GST_RTSP_STS_OPTION_NOT_SUPPORTED, "Option not supported");
return statuses;
}
/**
* gst_rtsp_strresult:
* @result: a #GstRTSPResult
*
* Convert @result in a human readable string.
*
* Returns: a newly allocated string. g_free() after usage.
*/
gchar *
gst_rtsp_strresult (GstRTSPResult result)
{
gint idx;
gchar *res;
idx = ABS (result);
idx = CLAMP (idx, 0, -GST_RTSP_ELAST);
switch (idx) {
case -GST_RTSP_ESYS:
res = g_strdup_printf (rtsp_results[idx], g_strerror (errno));
break;
case -GST_RTSP_ENET:
#ifndef G_OS_WIN32
res = g_strdup_printf (rtsp_results[idx], hstrerror (h_errno));
#else
res =
g_strdup
("not supported on win32, implement me in a different way ??");
#endif
break;
case -GST_RTSP_ELAST:
res = g_strdup_printf (rtsp_results[idx], result);
break;
default:
res = g_strdup (rtsp_results[idx]);
break;
}
return res;
}
/**
* gst_rtsp_method_as_text:
* @method: a #GstRTSPMethod
*
* Convert @method to a string.
*
* Returns: a string representation of @method.
*/
const gchar *
gst_rtsp_method_as_text (GstRTSPMethod method)
{
gint i;
if (method == GST_RTSP_INVALID)
return NULL;
i = 0;
while ((method & 1) == 0) {
i++;
method >>= 1;
}
return rtsp_methods[i];
}
/**
* gst_rtsp_version_as_text:
* @version: a #GstRTSPVersion
*
* Convert @version to a string.
*
* Returns: a string representation of @version.
*/
const gchar *
gst_rtsp_version_as_text (GstRTSPVersion version)
{
switch (version) {
case GST_RTSP_VERSION_1_0:
return "1.0";
default:
return "0.0";
}
}
/**
* gst_rtsp_header_as_text:
* @field: a #GstRTSPHeaderField
*
* Convert @field to a string.
*
* Returns: a string representation of @field.
*/
const gchar *
gst_rtsp_header_as_text (GstRTSPHeaderField field)
{
if (field == GST_RTSP_HDR_INVALID)
return NULL;
else
return rtsp_headers[field - 1];
}
/**
* gst_rtsp_status_as_text:
* @code: a #GstRTSPStatusCode
*
* Convert @code to a string.
*
* Returns: a string representation of @code.
*/
const gchar *
gst_rtsp_status_as_text (GstRTSPStatusCode code)
{
static GHashTable *statuses;
if (G_UNLIKELY (statuses == NULL))
statuses = rtsp_init_status ();
return g_hash_table_lookup (statuses, GUINT_TO_POINTER (code));
}
/**
* gst_rtsp_find_header_field:
* @header: a header string
*
* Convert @header to a #GstRTSPHeaderField.
*
* Returns: a #GstRTSPHeaderField for @header or #GST_RTSP_HDR_INVALID if the
* header field is unknown.
*/
GstRTSPHeaderField
gst_rtsp_find_header_field (const gchar * header)
{
gint idx;
for (idx = 0; rtsp_headers[idx]; idx++) {
if (g_ascii_strcasecmp (rtsp_headers[idx], header) == 0) {
return idx + 1;
}
}
return GST_RTSP_HDR_INVALID;
}
/**
* gst_rtsp_find_method:
* @method: a method
*
* Convert @method to a #GstRTSPMethod.
*
* Returns: a #GstRTSPMethod for @method or #GST_RTSP_INVALID if the
* method is unknown.
*/
GstRTSPMethod
gst_rtsp_find_method (const gchar * method)
{
gint idx;
for (idx = 0; rtsp_methods[idx]; idx++) {
if (g_ascii_strcasecmp (rtsp_methods[idx], method) == 0) {
return (1 << idx);
}
}
return GST_RTSP_INVALID;
}