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/*
Copyright (c) 2009-2012 250bpm s.r.o.
Copyright (c) 2007-2009 iMatix Corporation
Copyright (c) 2010-2011 Miru Limited
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of Crossroads I/O project.
Crossroads I/O is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Crossroads 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __XS_PGM_SENDER_HPP_INCLUDED__
#define __XS_PGM_SENDER_HPP_INCLUDED__
#include "platform.hpp"
#if defined XS_HAVE_OPENPGM
#ifdef XS_HAVE_WINDOWS
#include "windows.hpp"
#endif
#include "stdint.hpp"
#include "io_object.hpp"
#include "i_engine.hpp"
#include "options.hpp"
#include "pgm_socket.hpp"
#include "encoder.hpp"
namespace xs
{
class io_thread_t;
class session_base_t;
class pgm_sender_t : public io_object_t, public i_engine
{
public:
pgm_sender_t (xs::io_thread_t *parent_, const options_t &options_);
~pgm_sender_t ();
int init (bool udp_encapsulation_, const char *network_);
// i_engine interface implementation.
void plug (xs::io_thread_t *io_thread_,
xs::session_base_t *session_);
void unplug ();
void terminate ();
void activate_in ();
void activate_out ();
// i_poll_events interface implementation.
void in_event (fd_t fd_);
void out_event (fd_t fd_);
void timer_event (handle_t handle_);
private:
// Message encoder.
encoder_t encoder;
// PGM socket.
pgm_socket_t pgm_socket;
// Socket options.
options_t options;
// Poll handle associated with PGM socket.
handle_t handle;
handle_t uplink_handle;
handle_t rdata_notify_handle;
handle_t pending_notify_handle;
// Output buffer and size for pgm_socket.
unsigned char *out_buffer;
size_t out_buffer_size;
// Size of header in each datagram.
size_t header_size;
// Encoder buffer and size, adjusted from output buffer by size of
// datagram header(s).
unsigned char *encode_buffer;
size_t encode_buffer_size;
// Position of offset to first message in output buffer.
unsigned char *offset_p;
// Number of bytes in the buffer to be written to the socket.
// If zero, there are no data to be sent.
size_t write_size;
// Receive and send timers or NULL if not active.
handle_t rx_timer;
handle_t tx_timer;
pgm_sender_t (const pgm_sender_t&);
const pgm_sender_t &operator = (const pgm_sender_t&);
};
}
#endif
#endif
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