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https://github.com/zeromq/libzmq.git
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61ee6fae53
This commit introduces the necessary changes necessary for implementing flow control. None of the socket types implements the flow control yet. The code will crash when the flow control is enabled and the thw lwm is reached. The following commits will add flow-control support for individual socket types.
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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Copyright (c) 2007-2010 iMatix Corporation
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the Lesser GNU General Public License as published by
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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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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Lesser GNU General Public License for more details.
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You should have received a copy of the Lesser GNU 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_ZMQ_ENGINE_HPP_INCLUDED__
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#define __ZMQ_ZMQ_ENGINE_HPP_INCLUDED__
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#include <stddef.h>
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#include <string>
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#include "i_engine.hpp"
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#include "io_object.hpp"
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#include "tcp_socket.hpp"
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#include "zmq_encoder.hpp"
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#include "zmq_decoder.hpp"
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#include "options.hpp"
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namespace zmq
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{
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class zmq_engine_t : public io_object_t, public i_engine
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{
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public:
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zmq_engine_t (class io_thread_t *parent_, fd_t fd_,
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const options_t &options_, bool reconnect_,
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const char *protocol_, const char *address_);
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~zmq_engine_t ();
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// i_engine interface implementation.
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void plug (struct i_inout *inout_);
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void unplug ();
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void revive ();
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void resume_input ();
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void add_prefix (const blob_t &identity_);
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void trim_prefix ();
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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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private:
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// Function to handle network disconnections.
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void error ();
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tcp_socket_t tcp_socket;
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handle_t handle;
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unsigned char *inpos;
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size_t insize;
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zmq_decoder_t decoder;
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unsigned char *outpos;
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size_t outsize;
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zmq_encoder_t encoder;
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i_inout *inout;
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options_t options;
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bool reconnect;
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std::string protocol;
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std::string address;
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zmq_engine_t (const zmq_engine_t&);
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void operator = (const zmq_engine_t&);
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};
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}
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#endif
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