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125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/*
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Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ZMQ_PGM_SENDER_HPP_INCLUDED__
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#define __ZMQ_PGM_SENDER_HPP_INCLUDED__
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#if defined ZMQ_HAVE_OPENPGM
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#include "stdint.hpp"
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#include "io_object.hpp"
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#include "i_engine.hpp"
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#include "options.hpp"
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#include "pgm_socket.hpp"
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#include "v1_encoder.hpp"
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#include "msg.hpp"
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namespace zmq
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{
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class io_thread_t;
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class session_base_t;
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class pgm_sender_t : public io_object_t, public i_engine
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{
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public:
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pgm_sender_t (zmq::io_thread_t *parent_, const options_t &options_);
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~pgm_sender_t ();
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int init (bool udp_encapsulation_, const char *network_);
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// i_engine interface implementation.
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void plug (zmq::io_thread_t *io_thread_,
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zmq::session_base_t *session_);
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void terminate ();
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void restart_input ();
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void restart_output ();
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void zap_msg_available () {}
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const char *get_endpoint () const;
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// i_poll_events interface implementation.
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void in_event ();
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void out_event ();
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void timer_event (int token);
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private:
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// Unplug the engine from the session.
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void unplug ();
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// TX and RX timeout timer ID's.
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enum {tx_timer_id = 0xa0, rx_timer_id = 0xa1};
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// Timers are running.
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bool has_tx_timer;
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bool has_rx_timer;
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session_base_t *session;
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// Message encoder.
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v1_encoder_t encoder;
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msg_t msg;
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// Keeps track of message boundaries.
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bool more_flag;
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// PGM socket.
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pgm_socket_t pgm_socket;
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// Socket options.
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options_t options;
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// Poll handle associated with PGM socket.
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handle_t handle;
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handle_t uplink_handle;
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handle_t rdata_notify_handle;
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handle_t pending_notify_handle;
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// Output buffer from pgm_socket.
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unsigned char *out_buffer;
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// Output buffer size.
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size_t out_buffer_size;
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// Number of bytes in the buffer to be written to the socket.
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// If zero, there are no data to be sent.
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size_t write_size;
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pgm_sender_t (const pgm_sender_t&);
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const pgm_sender_t &operator = (const pgm_sender_t&);
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};
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}
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#endif
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#endif
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