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Commit 9ccfbf8d authored by Pieter Hintjens's avatar Pieter Hintjens
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Removed zmq.hpp, may add this back in separate commit

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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_HPP_INCLUDED__
#define __ZMQ_HPP_INCLUDED__
#include "zmq.h"
#include <cassert>
#include <cstring>
#include <exception>
namespace zmq
{
typedef zmq_free_fn free_fn;
typedef zmq_pollitem_t pollitem_t;
class error_t : public std::exception
{
public:
error_t () : errnum (zmq_errno ()) {}
virtual const char *what () const throw ()
{
return zmq_strerror (errnum);
}
int num () const
{
return errnum;
}
private:
int errnum;
};
inline int poll (zmq_pollitem_t *items_, int nitems_, long timeout_ = -1)
{
int rc = zmq_poll (items_, nitems_, timeout_);
if (rc < 0)
throw error_t ();
return rc;
}
inline void device (int device_, void * insocket_, void* outsocket_)
{
int rc = zmq_device (device_, insocket_, outsocket_);
if (rc != 0)
throw error_t ();
}
class message_t : private zmq_msg_t
{
friend class socket_t;
public:
inline message_t ()
{
int rc = zmq_msg_init (this);
if (rc != 0)
throw error_t ();
}
inline message_t (size_t size_)
{
int rc = zmq_msg_init_size (this, size_);
if (rc != 0)
throw error_t ();
}
inline message_t (void *data_, size_t size_, free_fn *ffn_,
void *hint_ = NULL)
{
int rc = zmq_msg_init_data (this, data_, size_, ffn_, hint_);
if (rc != 0)
throw error_t ();
}
inline ~message_t ()
{
int rc = zmq_msg_close (this);
assert (rc == 0);
}
inline void rebuild ()
{
int rc = zmq_msg_close (this);
if (rc != 0)
throw error_t ();
rc = zmq_msg_init (this);
if (rc != 0)
throw error_t ();
}
inline void rebuild (size_t size_)
{
int rc = zmq_msg_close (this);
if (rc != 0)
throw error_t ();
rc = zmq_msg_init_size (this, size_);
if (rc != 0)
throw error_t ();
}
inline void rebuild (void *data_, size_t size_, free_fn *ffn_,
void *hint_ = NULL)
{
int rc = zmq_msg_close (this);
if (rc != 0)
throw error_t ();
rc = zmq_msg_init_data (this, data_, size_, ffn_, hint_);
if (rc != 0)
throw error_t ();
}
inline void move (message_t *msg_)
{
int rc = zmq_msg_move (this, (zmq_msg_t*) msg_);
if (rc != 0)
throw error_t ();
}
inline void copy (message_t *msg_)
{
int rc = zmq_msg_copy (this, (zmq_msg_t*) msg_);
if (rc != 0)
throw error_t ();
}
inline void *data ()
{
return zmq_msg_data (this);
}
inline size_t size ()
{
return zmq_msg_size (this);
}
private:
// Disable implicit message copying, so that users won't use shared
// messages (less efficient) without being aware of the fact.
message_t (const message_t&);
void operator = (const message_t&);
};
class context_t
{
friend class socket_t;
public:
inline context_t (int io_threads_)
{
ptr = zmq_init (io_threads_);
if (ptr == NULL)
throw error_t ();
}
inline ~context_t ()
{
int rc = zmq_term (ptr);
assert (rc == 0);
}
// Be careful with this, it's probably only useful for
// using the C api together with an existing C++ api.
// Normally you should never need to use this.
inline operator void* ()
{
return ptr;
}
private:
void *ptr;
context_t (const context_t&);
void operator = (const context_t&);
};
class socket_t
{
public:
inline socket_t (context_t &context_, int type_)
{
ptr = zmq_socket (context_.ptr, type_);
if (ptr == NULL)
throw error_t ();
}
inline ~socket_t ()
{
close();
}
inline operator void* ()
{
return ptr;
}
inline void close()
{
if(ptr == NULL)
// already closed
return ;
int rc = zmq_close (ptr);
if (rc != 0)
throw error_t ();
ptr = 0 ;
}
inline void setsockopt (int option_, const void *optval_,
size_t optvallen_)
{
int rc = zmq_setsockopt (ptr, option_, optval_, optvallen_);
if (rc != 0)
throw error_t ();
}
inline void getsockopt (int option_, void *optval_,
size_t *optvallen_)
{
int rc = zmq_getsockopt (ptr, option_, optval_, optvallen_);
if (rc != 0)
throw error_t ();
}
inline void bind (const char *addr_)
{
int rc = zmq_bind (ptr, addr_);
if (rc != 0)
throw error_t ();
}
inline void connect (const char *addr_)
{
int rc = zmq_connect (ptr, addr_);
if (rc != 0)
throw error_t ();
}
inline bool send (message_t &msg_, int flags_ = 0)
{
int rc = zmq_send (ptr, &msg_, flags_);
if (rc == 0)
return true;
if (rc == -1 && zmq_errno () == EAGAIN)
return false;
throw error_t ();
}
inline bool recv (message_t *msg_, int flags_ = 0)
{
int rc = zmq_recv (ptr, msg_, flags_);
if (rc == 0)
return true;
if (rc == -1 && zmq_errno () == EAGAIN)
return false;
throw error_t ();
}
private:
void *ptr;
socket_t (const socket_t&);
void operator = (const socket_t&);
};
}
#endif
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