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/*------------------------------------------------------------------------------
Copyright (c) 2000-2007 Tyrell Corporation. All rights reserved.
Tyrell DarkIce
File : IceCast2.cpp
Version : $Revision: 553 $
Author : $Author: rafael@riseup.net $
Location : $HeadURL: https://darkice.googlecode.com/svn/darkice/tags/darkice-1_2/src/IceCast2.cpp $
Copyright notice:
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#else
#error need stdio.h
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#error need string.h
#endif
#ifdef HAVE_MATH_H
#include <math.h>
#else
#error need math.h
#endif
#include "Exception.h"
#include "Source.h"
#include "Sink.h"
#include "Util.h"
#include "IceCast2.h"
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/*------------------------------------------------------------------------------
* File identity
*----------------------------------------------------------------------------*/
static const char fileid[] = "$Id: IceCast2.cpp 553 2013-07-15 05:50:56Z rafael@riseup.net $";
/*------------------------------------------------------------------------------
* Expected positive response from server begins like this.
*----------------------------------------------------------------------------*/
static const char responseOK[] = "HTTP/1.0 200";
static const char responseWrongPasswd[] = "HTTP/1.0 401";
static const char responseForbidden[] = "HTTP/1.0 403";
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Initialize the object
*----------------------------------------------------------------------------*/
void
IceCast2 :: init ( StreamFormat format,
const char * mountPoint,
const char * description )
throw ( Exception )
{
this->format = format;
this->mountPoint = Util::strDup( mountPoint);
this->description = description ? Util::strDup( description) : 0;
}
/*------------------------------------------------------------------------------
* De-initialize the object
*----------------------------------------------------------------------------*/
void
IceCast2 :: strip ( void ) throw ( Exception )
{
delete[] mountPoint;
if ( description ) {
delete[] description;
}
}
/*------------------------------------------------------------------------------
* Log in to the IceCast2 server
*----------------------------------------------------------------------------*/
bool
IceCast2 :: sendLogin ( void ) throw ( Exception )
{
Sink * sink = getSink();
Source * source = getSocket();
const char * str;
const int buflen = 1024; // some small buffer size
char resp[buflen]; // a little buffer
unsigned int len;
unsigned int lenExpected;
if ( !source->isOpen() ) {
return false;
}
if ( !sink->isOpen() ) {
return false;
}
// send the request, a string like:
// "SOURCE <mountpoint> ICE/1.0"
str = "SOURCE /";
sink->write( str, strlen( str));
str = getMountPoint();
sink->write( str, strlen( str));
str = " HTTP/1.0";
sink->write( str, strlen( str));
// send the content type, Ogg Vorbis
str = "\nContent-type: ";
sink->write( str, strlen( str));
switch ( format ) {
case mp3:
case mp2:
str = "audio/mpeg";
break;
case oggVorbis:
str = "application/ogg";
break;
case oggOpus:
str = "application/ogg";
break;
case aac:
str = "audio/aac";
break;
case aacp:
str = "audio/aacp";
break;
default:
throw Exception( __FILE__, __LINE__,
"unsupported stream format", format);
break;
}
sink->write( str, strlen( str));
// send the authentication info
str = "\nAuthorization: Basic ";
sink->write( str, strlen(str));
{
// send source:<password> encoded as base64
const char * source = "source:";
const char * pwd = getPassword();
char * tmp = new char[Util::strLen(source) +
Util::strLen(pwd) + 1];
Util::strCpy( tmp, source);
Util::strCat( tmp, pwd);
char * base64 = Util::base64Encode( tmp);
delete[] tmp;
sink->write( base64, strlen(base64));
delete[] base64;
}
// send user agent info
str = "\nUser-Agent: DarkIce/" VERSION " (http://code.google.com/p/darkice/)";
sink->write( str, strlen( str));
// send the ice- headers
str = "\nice-bitrate: ";
sink->write( str, strlen( str));
sprintf( resp, "%d", getBitRate());
sink->write( resp, strlen( resp));
str = "\nice-public: ";
sink->write( str, strlen( str));
str = getIsPublic() ? "1" : "0";
sink->write( str, strlen( str));
if ( getName() ) {
str = "\nice-name: ";
sink->write( str, strlen( str));
str = getName();
sink->write( str, strlen( str));
}
if ( getDescription() ) {
str = "\nice-description: ";
sink->write( str, strlen( str));
str = getDescription();
sink->write( str, strlen( str));
}
if ( getUrl() ) {
str = "\nice-url: ";
sink->write( str, strlen( str));
str = getUrl();
sink->write( str, strlen( str));
}
if ( getGenre() ) {
str = "\nice-genre: ";
sink->write( str, strlen( str));
str = getGenre();
sink->write( str, strlen( str));
}
str = "\r\n\r\n";
sink->write( str, strlen( str));
sink->flush();
// read the response, expected response begins with responseOK
lenExpected = Util::strLen( responseOK);
if ( (len = source->read( resp, buflen )) < lenExpected ) {
return false; // short read, no need to continue
}
resp[lenExpected] = '\x00'; // end string, truncate to expected length
reportEvent(5,resp);
if ( Util::strEq( resp, responseWrongPasswd) ) {
throw Exception( __FILE__, __LINE__,
"Icecast2 - wrong password");
}
if ( Util::strEq( resp, responseForbidden) ) {
throw Exception( __FILE__, __LINE__,
"Icecast2 - forbidden. Is the mountpoint occupied, or maximum sources reached?");
}
if ( !Util::strEq( resp, responseOK) ) {
// some unexpected response from server
throw Exception( __FILE__, __LINE__,
"Icecast2 - Unexpected response from server");
}
// suck anything that the other side has to say
while ( source->canRead( 0, 0) &&
(len = source->read( resp, buflen )));
// all is well, we are connected
return true;
}
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