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/*
Copyright (c) 2009-2012 250bpm s.r.o.
Copyright (c) 2007-2009 iMatix Corporation
Copyright (c) 2011 VMware, Inc.
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of Crossroads I/O project.
Crossroads I/O 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.
Crossroads 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 __XS_REQ_HPP_INCLUDED__
#define __XS_REQ_HPP_INCLUDED__
#include "xreq.hpp"
#include "stdint.hpp"
namespace xs
{
class ctx_t;
class msg_t;
class io_thread_t;
class socket_base_t;
class req_t : public xreq_t
{
public:
req_t (xs::ctx_t *parent_, uint32_t tid_, int sid_);
~req_t ();
// Overloads of functions from socket_base_t.
int xsend (xs::msg_t *msg_, int flags_);
int xrecv (xs::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;
req_t (const req_t&);
const req_t &operator = (const req_t&);
};
class req_session_t : public xreq_session_t
{
public:
req_session_t (xs::io_thread_t *io_thread_, bool connect_,
xs::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_);
void detach ();
private:
enum {
identity,
bottom,
body
} state;
req_session_t (const req_session_t&);
const req_session_t &operator = (const req_session_t&);
};
}
#endif
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