From 9119b4fd7b292b1a14db916040f8e7cc4731d4b6 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Tue, 26 Jul 2011 00:43:57 +0200 Subject: TCP transport classes simplified zmq_engine and tcp_socket merged into tcp_engine zmq_connecter and tcp_connecter merged into tcp_connecter zmq_listener and tcp_listener merged into tcp_listener Signed-off-by: Martin Sustrik --- src/tcp_engine.hpp | 105 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 src/tcp_engine.hpp (limited to 'src/tcp_engine.hpp') diff --git a/src/tcp_engine.hpp b/src/tcp_engine.hpp new file mode 100644 index 0000000..db17122 --- /dev/null +++ b/src/tcp_engine.hpp @@ -0,0 +1,105 @@ +/* + Copyright (c) 2007-2011 iMatix Corporation + Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ 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. + + 0MQ 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 . +*/ + +#ifndef __ZMQ_TCP_ENGINE_HPP_INCLUDED__ +#define __ZMQ_TCP_ENGINE_HPP_INCLUDED__ + +#include + +#include "fd.hpp" +#include "i_engine.hpp" +#include "io_object.hpp" +#include "encoder.hpp" +#include "decoder.hpp" +#include "options.hpp" + +namespace zmq +{ + + class tcp_engine_t : public io_object_t, public i_engine + { + public: + + tcp_engine_t (fd_t fd_, const options_t &options_); + ~tcp_engine_t (); + + // i_engine interface implementation. + void plug (class io_thread_t *io_thread_, class session_t *session_); + void unplug (); + void terminate (); + void activate_in (); + void activate_out (); + + // i_poll_events interface implementation. + void in_event (); + void out_event (); + + private: + + // Function to handle network disconnections. + void error (); + + // Associates a socket with a native socket descriptor. + int open (fd_t fd_, int sndbuf_, int rcvbuf_); + + // Closes the underlying socket. + int close (); + + // Writes data to the socket. Returns the number of bytes actually + // written (even zero is to be considered to be a success). In case + // of error or orderly shutdown by the other peer -1 is returned. + int write (const void *data_, size_t size_); + + // Reads data from the socket (up to 'size' bytes). Returns the number + // of bytes actually read (even zero is to be considered to be + // a success). In case of error or orderly shutdown by the other + // peer -1 is returned. + int read (void *data_, size_t size_); + + // Underlying socket. + fd_t s; + + handle_t handle; + + unsigned char *inpos; + size_t insize; + decoder_t decoder; + + unsigned char *outpos; + size_t outsize; + encoder_t encoder; + + // The session this engine is attached to. + class session_t *session; + + // Detached transient session. + class session_t *leftover_session; + + options_t options; + + bool plugged; + + tcp_engine_t (const tcp_engine_t&); + const tcp_engine_t &operator = (const tcp_engine_t&); + }; + +} + +#endif -- cgit v1.2.3