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ShoutCast.cpp

/*------------------------------------------------------------------------------

   Copyright (c) 2000 Tyrell Corporation. All rights reserved.

   Tyrell DarkIce

   File     : ShoutCast.cpp
   Version  : $Revision: 1.3 $
   Author   : $Author: darkeye $
   Location : $Source: /cvsroot/darkice/darkice/src/ShoutCast.cpp,v $
   
   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 2
    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 "ShoutCast.h"


/* ===================================================  local data structures */


/* ================================================  local constants & macros */

/*------------------------------------------------------------------------------
 *  File identity
 *----------------------------------------------------------------------------*/
static const char fileid[] = "$Id: ShoutCast.cpp,v 1.3 2002/05/28 12:35:41 darkeye Exp $";


/*------------------------------------------------------------------------------
 *  Size of string conversion buffer
 *----------------------------------------------------------------------------*/
#define STRBUF_SIZE         32


/* ===============================================  local function prototypes */


/* =============================================================  module code */

/*------------------------------------------------------------------------------
 *  Initialize the object
 *----------------------------------------------------------------------------*/
void
00088 ShoutCast :: init ( const char            * irc,
                    const char            * aim,
                    const char            * icq )
                                                        throw ( Exception )
{
    this->irc    = irc   ? Util::strDup( irc) : 0;
    this->aim    = aim   ? Util::strDup( aim) : 0;
    this->icq    = icq   ? Util::strDup( icq) : 0;
}


/*------------------------------------------------------------------------------
 *  De-initialize the object
 *----------------------------------------------------------------------------*/
void
00103 ShoutCast :: strip ( void )                             throw ( Exception )
{
    if ( irc ) {
        delete[] irc;
    }
    if ( aim ) {
        delete[] aim;
    }
    if ( icq ) {
        delete[] icq;
    }
}


/*------------------------------------------------------------------------------
 *  Log in to the ShoutCast server using the icy login scheme
 *----------------------------------------------------------------------------*/
bool
00121 ShoutCast :: sendLogin ( void )                           throw ( Exception )
{
    Sink          * sink   = getSink();
    Source        * source = getSocket();
    const char    * str;
    char            resp[STRBUF_SIZE];
    unsigned int    len;

    if ( !source->isOpen() ) {
        return false;
    }
    if ( !sink->isOpen() ) {
        return false;
    }

    /* first line is the password in itself */
    str = getPassword();
    sink->write( str, strlen( str));
    str = "\n";
    sink->write( str, strlen( str));
    sink->flush();

    /* send the icy headers */
    if ( getName() ) {
        str = "icy-name:";
        sink->write( str, strlen( str));
        str = getName();
        sink->write( str, strlen( str));
    }

    if ( getUrl() ) {
        str = "\nicy-url:";
        sink->write( str, strlen( str));
        str = getUrl();
        sink->write( str, strlen( str));
    }

    if ( getGenre() ) {
        str = "\nicy-genre:";
        sink->write( str, strlen( str));
        str = getGenre();
        sink->write( str, strlen( str));
    }

    if ( getIrc() ) {
        str = "\nicy-irc:";
        sink->write( str, strlen( str));
        str = getIrc();
        sink->write( str, strlen( str));
    }

    if ( getAim() ) {
        str = "\nicy-aim:";
        sink->write( str, strlen( str));
        str = getAim();
        sink->write( str, strlen( str));
    }

    if ( getIcq() ) {
        str = "\nicy-icq:";
        sink->write( str, strlen( str));
        str = getIcq();
        sink->write( str, strlen( str));
    }

    str = "\nicy-br:";
    sink->write( str, strlen( str));
    if ( log10(getBitRate()) >= (STRBUF_SIZE-2) ) {
        throw Exception( __FILE__, __LINE__,
                         "bitrate does not fit string buffer", getBitRate());
    }
    sprintf( resp, "%d", getBitRate());
    sink->write( resp, strlen( resp));

    str = "\nicy-pub:";
    sink->write( str, strlen( str));
    str = getIsPublic() ? "1" : "0";
    sink->write( str, strlen( str));

    str = "\n\n";
    sink->write( str, strlen( str));
    sink->flush();

    /* read the anticipated response: "OK" */
    len = source->read( resp, STRBUF_SIZE);
    if ( len < 2 || resp[0] != 'O' || resp[1] != 'K' ) {
        return false;
    }

    /* suck anything that the other side has to say */
    while ( source->canRead( 0, 0) && 
           (len = source->read( resp, STRBUF_SIZE)) ) {
        ;
    }

    return true;
}



/*------------------------------------------------------------------------------
 
  $Source: /cvsroot/darkice/darkice/src/ShoutCast.cpp,v $

  $Log: ShoutCast.cpp,v $
  Revision 1.3  2002/05/28 12:35:41  darkeye
  code cleanup: compiles under gcc-c++ 3.1, using -pedantic option

  Revision 1.2  2001/11/20 09:06:18  darkeye
  fixed public stream reporting

  Revision 1.1  2001/09/09 11:27:31  darkeye
  added support for ShoutCast servers


  
------------------------------------------------------------------------------*/


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