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/*
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 <http://www.gnu.org/licenses/>.
*/
#ifndef __ZMQ_REQ_HPP_INCLUDED__
#define __ZMQ_REQ_HPP_INCLUDED__
#include "xreq.hpp"
#include "stdint.hpp"
namespace zmq
{
class req_t : public xreq_t
{
public:
req_t (class ctx_t *parent_, uint32_t tid_);
~req_t ();
// Overloads of functions from socket_base_t.
int xsend (class msg_t *msg_, int flags_);
int xrecv (class msg_t *msg_, int flags_);
bool xhas_in ();
bool xhas_out ();
private:
// If true, request was already sent and reply wasn't received yet or
// was raceived partially.
bool receiving_reply;
// If true, we are starting to send/recv a message. The first part
// of the message must be empty message part (backtrace stack bottom).
bool message_begins;
// Request ID. Request numbers gradually increase (and wrap over)
// so that we don't have to generate random ID for each request.
uint32_t request_id;
req_t (const req_t&);
const req_t &operator = (const req_t&);
};
class req_session_t : public xreq_session_t
{
public:
req_session_t (class io_thread_t *io_thread_, bool connect_,
class socket_base_t *socket_, const options_t &options_,
const char *protocol_, const char *address_);
~req_session_t ();
// Overloads of the functions from session_base_t.
int write (msg_t *msg_);
private:
enum {
request_id,
body
} state;
req_session_t (const req_session_t&);
const req_session_t &operator = (const req_session_t&);
};
}
#endif
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