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Diffstat (limited to 'src/session_base.hpp')
| -rw-r--r-- | src/session_base.hpp | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/src/session_base.hpp b/src/session_base.hpp deleted file mode 100644 index 2ef7dc5..0000000 --- a/src/session_base.hpp +++ /dev/null @@ -1,163 +0,0 @@ -/* - Copyright (c) 2007-2013 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 <http://www.gnu.org/licenses/>. -*/ - -#ifndef __ZMQ_SESSION_BASE_HPP_INCLUDED__ -#define __ZMQ_SESSION_BASE_HPP_INCLUDED__ - -#include <string> -#include <stdarg.h> - -#include "own.hpp" -#include "io_object.hpp" -#include "pipe.hpp" -#include "socket_base.hpp" - -namespace zmq -{ - - class pipe_t; - class io_thread_t; - class socket_base_t; - struct i_engine; - struct address_t; - - class session_base_t : - public own_t, - public io_object_t, - public i_pipe_events - { - public: - - // Create a session of the particular type. - static session_base_t *create (zmq::io_thread_t *io_thread_, - bool connect_, zmq::socket_base_t *socket_, - const options_t &options_, const address_t *addr_); - - // To be used once only, when creating the session. - void attach_pipe (zmq::pipe_t *pipe_); - - // Following functions are the interface exposed towards the engine. - virtual void reset (); - void flush (); - void detach (); - - // i_pipe_events interface implementation. - void read_activated (zmq::pipe_t *pipe_); - void write_activated (zmq::pipe_t *pipe_); - void hiccuped (zmq::pipe_t *pipe_); - void pipe_terminated (zmq::pipe_t *pipe_); - - // Delivers a message. Returns 0 if successful; -1 otherwise. - // The function takes ownership of the message. - int push_msg (msg_t *msg_); - - int zap_connect (); - - // Fetches a message. Returns 0 if successful; -1 otherwise. - // The caller is responsible for freeing the message when no - // longer used. - int pull_msg (msg_t *msg_); - - // Receives message from ZAP socket. - // Returns 0 on success; -1 otherwise. - // The caller is responsible for freeing the message. - int read_zap_msg (msg_t *msg_); - - // Sends message to ZAP socket. - // Returns 0 on success; -1 otherwise. - // The function takes ownership of the message. - int write_zap_msg (msg_t *msg_); - - socket_base_t *get_socket (); - - protected: - - session_base_t (zmq::io_thread_t *io_thread_, bool connect_, - zmq::socket_base_t *socket_, const options_t &options_, - const address_t *addr_); - virtual ~session_base_t (); - - private: - - void start_connecting (bool wait_); - - void detached (); - - // Handlers for incoming commands. - void process_plug (); - void process_attach (zmq::i_engine *engine_); - void process_term (int linger_); - - // i_poll_events handlers. - void timer_event (int id_); - - // Remove any half processed messages. Flush unflushed messages. - // Call this function when engine disconnect to get rid of leftovers. - void clean_pipes (); - - // Call this function to move on with the delayed process_term. - void proceed_with_term (); - - // If true, this session (re)connects to the peer. Otherwise, it's - // a transient session created by the listener. - bool connect; - - // Pipe connecting the session to its socket. - zmq::pipe_t *pipe; - - // Pipe used to exchange messages with ZAP socket. - zmq::pipe_t *zap_pipe; - - // This set is added to with pipes we are disconnecting, but haven't yet completed - std::set <pipe_t *> terminating_pipes; - - // This flag is true if the remainder of the message being processed - // is still in the in pipe. - bool incomplete_in; - - // True if termination have been suspended to push the pending - // messages to the network. - bool pending; - - // The protocol I/O engine connected to the session. - zmq::i_engine *engine; - - // The socket the session belongs to. - zmq::socket_base_t *socket; - - // I/O thread the session is living in. It will be used to plug in - // the engines into the same thread. - zmq::io_thread_t *io_thread; - - // ID of the linger timer - enum {linger_timer_id = 0x20}; - - // True is linger timer is running. - bool has_linger_timer; - - // Protocol and address to use when connecting. - const address_t *addr; - - session_base_t (const session_base_t&); - const session_base_t &operator = (const session_base_t&); - }; - -} - -#endif |