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-rw-r--r--bindings/c/zmq.h249
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diff --git a/bindings/c/zmq.h b/bindings/c/zmq.h
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-/*
- Copyright (c) 2007-2010 iMatix Corporation
-
- 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_H_INCLUDED__
-#define __ZMQ_H_INCLUDED__
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <errno.h>
-#include <stddef.h>
-#if defined _WIN32
-#include "winsock2.h"
-#endif
-
-// Microsoft Visual Studio uses non-standard way to export/import symbols.
-#if defined ZMQ_BUILDING_LIBZMQ_WITH_MSVC
-#define ZMQ_EXPORT __declspec(dllexport)
-#elif defined _MSC_VER
-#define ZMQ_EXPORT __declspec(dllimport)
-#else
-#define ZMQ_EXPORT
-#endif
-
-////////////////////////////////////////////////////////////////////////////////
-// 0MQ versioning supprt.
-////////////////////////////////////////////////////////////////////////////////
-
-ZMQ_EXPORT void zmq_version (int *major, int *minor, int *patch);
-
-////////////////////////////////////////////////////////////////////////////////
-// 0MQ errors.
-////////////////////////////////////////////////////////////////////////////////
-
-// A number random anough not to collide with different errno ranges on
-// different OSes. The assumption is that error_t is at least 32-bit type.
-#define ZMQ_HAUSNUMERO 156384712
-
-// On Windows platform some of the standard POSIX errnos are not defined.
-#ifndef ENOTSUP
-#define ENOTSUP (ZMQ_HAUSNUMERO + 1)
-#endif
-#ifndef EPROTONOSUPPORT
-#define EPROTONOSUPPORT (ZMQ_HAUSNUMERO + 2)
-#endif
-#ifndef ENOBUFS
-#define ENOBUFS (ZMQ_HAUSNUMERO + 3)
-#endif
-#ifndef ENETDOWN
-#define ENETDOWN (ZMQ_HAUSNUMERO + 4)
-#endif
-#ifndef EADDRINUSE
-#define EADDRINUSE (ZMQ_HAUSNUMERO + 5)
-#endif
-#ifndef EADDRNOTAVAIL
-#define EADDRNOTAVAIL (ZMQ_HAUSNUMERO + 6)
-#endif
-#ifndef ECONNREFUSED
-#define ECONNREFUSED (ZMQ_HAUSNUMERO + 7)
-#endif
-#ifndef EINPROGRESS
-#define EINPROGRESS (ZMQ_HAUSNUMERO + 8)
-#endif
-
-// Native 0MQ error codes.
-#define EMTHREAD (ZMQ_HAUSNUMERO + 50)
-#define EFSM (ZMQ_HAUSNUMERO + 51)
-#define ENOCOMPATPROTO (ZMQ_HAUSNUMERO + 52)
-
-// Resolves system errors and 0MQ errors to human-readable string.
-ZMQ_EXPORT const char *zmq_strerror (int errnum);
-
-////////////////////////////////////////////////////////////////////////////////
-// 0MQ message definition.
-////////////////////////////////////////////////////////////////////////////////
-
-// Maximal size of "Very Small Message". VSMs are passed by value
-// to avoid excessive memory allocation/deallocation.
-// If VMSs larger than 255 bytes are required, type of 'vsm_size'
-// field in zmq_msg_t structure should be modified accordingly.
-#define ZMQ_MAX_VSM_SIZE 30
-
-// Message types. These integers may be stored in 'content' member of the
-// message instead of regular pointer to the data.
-#define ZMQ_DELIMITER 31
-#define ZMQ_VSM 32
-
-// Message flags. ZMQ_MSG_SHARED is strictly speaking not a message flag
-// (it has no equivalent in the wire format), however, making it a flag
-// allows us to pack the stucture tigher and thus improve performance.
-#define ZMQ_MSG_TBC 1
-#define ZMQ_MSG_SHARED 128
-
-// A message. Note that 'content' is not a pointer to the raw data.
-// Rather it is pointer to zmq::msg_content_t structure
-// (see src/msg_content.hpp for its definition).
-typedef struct
-{
- void *content;
- unsigned char flags;
- unsigned char vsm_size;
- unsigned char vsm_data [ZMQ_MAX_VSM_SIZE];
-} zmq_msg_t;
-
-typedef void (zmq_free_fn) (void *data, void *hint);
-
-ZMQ_EXPORT int zmq_msg_init (zmq_msg_t *msg);
-ZMQ_EXPORT int zmq_msg_init_size (zmq_msg_t *msg, size_t size);
-ZMQ_EXPORT int zmq_msg_init_data (zmq_msg_t *msg, void *data,
- size_t size, zmq_free_fn *ffn, void *hint);
-ZMQ_EXPORT int zmq_msg_close (zmq_msg_t *msg);
-ZMQ_EXPORT int zmq_msg_move (zmq_msg_t *dest, zmq_msg_t *src);
-ZMQ_EXPORT int zmq_msg_copy (zmq_msg_t *dest, zmq_msg_t *src);
-ZMQ_EXPORT void *zmq_msg_data (zmq_msg_t *msg);
-ZMQ_EXPORT size_t zmq_msg_size (zmq_msg_t *msg);
-
-////////////////////////////////////////////////////////////////////////////////
-// 0MQ infrastructure (a.k.a. context) initialisation & termination.
-////////////////////////////////////////////////////////////////////////////////
-
-#define ZMQ_POLL 1
-
-ZMQ_EXPORT void *zmq_init (int app_threads, int io_threads, int flags);
-ZMQ_EXPORT int zmq_term (void *context);
-
-////////////////////////////////////////////////////////////////////////////////
-// 0MQ socket definition.
-////////////////////////////////////////////////////////////////////////////////
-
-// Addresses are composed of the name of the protocol to use followed by ://
-// and a protocol-specific address. Available protocols:
-//
-// tcp - the address is composed of IP address and port delimited by colon
-// sign (:). The IP address can be a hostname (with 'connect') or
-// a network interface name (with 'bind'). Examples "tcp://eth0:5555",
-// "tcp://192.168.0.1:20000", "tcp://hq.mycompany.com:80".
-//
-// pgm & udp - both protocols have same address format. It's network interface
-// to use, semicolon (;), multicast group IP address, colon (:) and
-// port. Examples: "pgm://eth2;224.0.0.1:8000",
-// "udp://192.168.0.111;224.1.1.1:5555".
-
-#define ZMQ_P2P 0
-#define ZMQ_PUB 1
-#define ZMQ_SUB 2
-#define ZMQ_REQ 3
-#define ZMQ_REP 4
-#define ZMQ_XREQ 5
-#define ZMQ_XREP 6
-#define ZMQ_UPSTREAM 7
-#define ZMQ_DOWNSTREAM 8
-
-#define ZMQ_HWM 1
-#define ZMQ_LWM 2
-#define ZMQ_SWAP 3
-#define ZMQ_AFFINITY 4
-#define ZMQ_IDENTITY 5
-#define ZMQ_SUBSCRIBE 6
-#define ZMQ_UNSUBSCRIBE 7
-#define ZMQ_RATE 8
-#define ZMQ_RECOVERY_IVL 9
-#define ZMQ_MCAST_LOOP 10
-#define ZMQ_SNDBUF 11
-#define ZMQ_RCVBUF 12
-
-#define ZMQ_NOBLOCK 1
-#define ZMQ_NOFLUSH 2
-
-ZMQ_EXPORT void *zmq_socket (void *context, int type);
-ZMQ_EXPORT int zmq_close (void *s);
-ZMQ_EXPORT int zmq_setsockopt (void *s, int option, const void *optval,
- size_t optvallen);
-ZMQ_EXPORT int zmq_bind (void *s, const char *addr);
-ZMQ_EXPORT int zmq_connect (void *s, const char *addr);
-ZMQ_EXPORT int zmq_send (void *s, zmq_msg_t *msg, int flags);
-ZMQ_EXPORT int zmq_flush (void *s);
-ZMQ_EXPORT int zmq_recv (void *s, zmq_msg_t *msg, int flags);
-
-////////////////////////////////////////////////////////////////////////////////
-// I/O multiplexing.
-////////////////////////////////////////////////////////////////////////////////
-
-#define ZMQ_POLLIN 1
-#define ZMQ_POLLOUT 2
-#define ZMQ_POLLERR 4
-
-typedef struct
-{
- void *socket;
-#if defined _WIN32
- SOCKET fd;
-#else
- int fd;
-#endif
- short events;
- short revents;
-} zmq_pollitem_t;
-
-ZMQ_EXPORT int zmq_poll (zmq_pollitem_t *items, int nitems, long timeout);
-
-////////////////////////////////////////////////////////////////////////////////
-// Experimental.
-////////////////////////////////////////////////////////////////////////////////
-
-// This function retrieves the errno as it is known to 0MQ library. The goal
-// of this function is to make the code 100% portable, including where 0MQ
-// compiled with certain CRT library (on Windows) is linked to an application
-// compiled with different CRT library.
-ZMQ_EXPORT int zmq_errno ();
-
-////////////////////////////////////////////////////////////////////////////////
-// Helper functions.
-////////////////////////////////////////////////////////////////////////////////
-
-// Helper functions are used by perf tests so that they don't have to care
-// about minutiae of time-related functions on different OS platforms.
-
-// Starts the stopwatch. Returns the handle to the watch.
-ZMQ_EXPORT void *zmq_stopwatch_start ();
-
-// Stops the stopwatch. Returns the number of microseconds elapsed since
-// the stopwatch was started.
-ZMQ_EXPORT unsigned long zmq_stopwatch_stop (void *watch_);
-
-// Sleeps for specified number of seconds.
-ZMQ_EXPORT void zmq_sleep (int seconds_);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif