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/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU 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
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_SOCKET_BASE_HPP_INCLUDED__
#define __ZMQ_SOCKET_BASE_HPP_INCLUDED__
#include <vector>
#include "i_engine.hpp"
#include "i_api.hpp"
#include "object.hpp"
namespace zmq
{
class socket_base_t : public object_t, public i_engine, public i_api
{
public:
// TODO: Possibly, session can be attached to the engine using
// attach function.
socket_base_t (class app_thread_t *thread_, class session_t *session_);
// i_engine interface implementation.
void attach (struct i_poller *poller_, struct i_session *session_);
void detach ();
void revive ();
void schedule_terminate ();
void terminate ();
void shutdown ();
// i_api interface implementation.
int bind (const char *addr_, struct zmq_opts *opts_);
int connect (const char *addr_, struct zmq_opts *opts_);
int subscribe (const char *criteria_);
int send (struct zmq_msg *msg_, int flags_);
int flush ();
int recv (struct zmq_msg *msg_, int flags_);
int close ();
protected:
// Clean-up. The function has to be protected rather than private,
// otherwise auto-generated destructor in derived classes
// cannot be compiled. It has to be virtual so that socket_base_t's
// terminate & shutdown functions deallocate correct type of object.
virtual ~socket_base_t ();
// By default, socket is able to pass messages in both inward and
// outward directions. By calling these functions, particular
// socket type is able to eliminate one direction.
void disable_in ();
void disable_out ();
private:
// Pointer to the application thread the socket belongs to.
class app_thread_t *thread;
// Pointer to the associated session object.
class session_t *session;
// List of I/O object created via this socket. These have to be shut
// down when the socket is closed.
typedef std::vector <class io_object_t*> io_objects_t;
io_objects_t io_objects;
// If true, socket creates inbound pipe when binding to an engine.
bool has_in;
// If true, socket creates outbound pipe when binding to an engine.
bool has_out;
socket_base_t (const socket_base_t&);
void operator = (const socket_base_t&);
};
}
#endif
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