/**
 ** \file SctpSocket.h
 ** \date  2006-09-04
 ** \author grymse@alhem.net
**/
/*
Copyright (C) 2008-2010  Anders Hedstrom

This library is made available under the terms of the GNU GPL, with
the additional exemption that compiling, linking, and/or using OpenSSL
is allowed.

If you would like to use this library in a closed-source application,
a separate license agreement is available. For information about
the closed-source license agreement for the C++ sockets library,
please visit http://www.alhem.net/Sockets/license.html and/or
email license@alhem.net.

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.
*/
#ifndef _SOCKETS_SctpSocket_H
#define _SOCKETS_SctpSocket_H
#include "sockets-config.h"

#include "StreamSocket.h"
#ifdef USE_SCTP
#include <netinet/sctp.h>

#ifdef SOCKETS_NAMESPACE
namespace SOCKETS_NAMESPACE
{
#endif

#define SCTP_BUFSIZE_READ 16400

class SocketAddress;


class SctpSocket : public StreamSocket
{
public:
  /** SctpSocket constructor.
    \param h Owner
    \param type SCTP_STREAM or SCTP_SEQPACKET */
  SctpSocket(ISocketHandler& h,int type);
  ~SctpSocket();

  /** bind() */
  int Bind(const std::string&,port_t);
  int Bind(SocketAddress&);
  /** sctp_bindx() */
  int AddAddress(const std::string&,port_t);
  int AddAddress(SocketAddress&);
  /** sctp_bindx() */
  int RemoveAddress(const std::string&,port_t);
  int RemoveAddress(SocketAddress&);

  /** connect() */
  int Open(const std::string&,port_t);
  int Open(SocketAddress&);

  /** Connect timeout callback. */
  void OnConnectTimeout();
#ifdef _WIN32
  /** Connection failed reported as exception on win32 */
  void OnException();
#endif

#ifndef SOLARIS
  /** sctp_connectx() */
  int AddConnection(const std::string&,port_t);
  int AddConnection(SocketAddress&);
#endif

  /** Get peer addresses of an association. */
  int getpaddrs(sctp_assoc_t id,std::list<std::string>&);
  /** Get all bound addresses of an association. */
  int getladdrs(sctp_assoc_t id,std::list<std::string>&);

  /** sctp_peeloff */
  int PeelOff(sctp_assoc_t id);

  /** recvmsg callback */
  virtual void OnReceiveMessage(const char *buf,size_t sz,struct sockaddr *sa,socklen_t sa_len,struct sctp_sndrcvinfo *sinfo,int msg_flags) = 0;

  void OnOptions(int,int,int,SOCKET) {}

  virtual int Protocol();

protected:
  SctpSocket(const SctpSocket& s) : StreamSocket(s) {}
  void OnRead();
  void OnWrite();

private:
  SctpSocket& operator=(const SctpSocket& s) {
    return *this;
  }
  int m_type; ///< SCTP_STREAM or SCTP_SEQPACKET
  char *m_buf; ///< Temporary receive buffer
};


#ifdef SOCKETS_NAMESPACE
} // namespace SOCKETS_NAMESPACE
#endif

#endif // USE_SCTP
#endif // _SOCKETS_SctpSocket_H

