4db94043cb
Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
417 lines
14 KiB
C
417 lines
14 KiB
C
/*
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Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*************************************************************************
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NOTE to contributors. This file comprises the principal public contract
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for ZeroMQ API users (along with zmq_utils.h). Any change to this file
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supplied in a stable release SHOULD not break existing applications.
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In practice this means that the value of constants must not change, and
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that old values may not be reused for new constants.
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*************************************************************************
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*/
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#ifndef __ZMQ_H_INCLUDED__
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#define __ZMQ_H_INCLUDED__
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/* Version macros for compile-time API version detection */
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#define ZMQ_VERSION_MAJOR 4
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#define ZMQ_VERSION_MINOR 0
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#define ZMQ_VERSION_PATCH 4
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#define ZMQ_MAKE_VERSION(major, minor, patch) \
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((major) * 10000 + (minor) * 100 + (patch))
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#define ZMQ_VERSION \
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ZMQ_MAKE_VERSION(ZMQ_VERSION_MAJOR, ZMQ_VERSION_MINOR, ZMQ_VERSION_PATCH)
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined _WIN32_WCE
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#include <errno.h>
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#endif
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#include <stddef.h>
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#include <stdio.h>
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#if defined _WIN32
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#include <winsock2.h>
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#endif
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/* Handle DSO symbol visibility */
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#if defined _WIN32
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# if defined ZMQ_STATIC
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# define ZMQ_EXPORT
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# elif defined DLL_EXPORT
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# define ZMQ_EXPORT __declspec(dllexport)
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# else
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# define ZMQ_EXPORT __declspec(dllimport)
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# endif
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#else
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# if defined __SUNPRO_C || defined __SUNPRO_CC
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# define ZMQ_EXPORT __global
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# elif (defined __GNUC__ && __GNUC__ >= 4) || defined __INTEL_COMPILER
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# define ZMQ_EXPORT __attribute__ ((visibility("default")))
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# else
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# define ZMQ_EXPORT
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# endif
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#endif
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/* Define integer types needed for event interface */
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#if defined ZMQ_HAVE_SOLARIS || defined ZMQ_HAVE_OPENVMS
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# include <inttypes.h>
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#elif defined _MSC_VER && _MSC_VER < 1600
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# ifndef int32_t
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typedef __int32 int32_t;
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# endif
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# ifndef uint16_t
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typedef unsigned __int16 uint16_t;
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# endif
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# ifndef uint8_t
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typedef unsigned __int8 uint8_t;
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# endif
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#else
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# include <stdint.h>
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#endif
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/******************************************************************************/
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/* 0MQ errors. */
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/******************************************************************************/
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/* A number random enough not to collide with different errno ranges on */
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/* different OSes. The assumption is that error_t is at least 32-bit type. */
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#define ZMQ_HAUSNUMERO 156384712
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/* On Windows platform some of the standard POSIX errnos are not defined. */
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#ifndef ENOTSUP
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#define ENOTSUP (ZMQ_HAUSNUMERO + 1)
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#endif
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#ifndef EPROTONOSUPPORT
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#define EPROTONOSUPPORT (ZMQ_HAUSNUMERO + 2)
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#endif
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#ifndef ENOBUFS
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#define ENOBUFS (ZMQ_HAUSNUMERO + 3)
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#endif
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#ifndef ENETDOWN
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#define ENETDOWN (ZMQ_HAUSNUMERO + 4)
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#endif
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#ifndef EADDRINUSE
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#define EADDRINUSE (ZMQ_HAUSNUMERO + 5)
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#endif
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#ifndef EADDRNOTAVAIL
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#define EADDRNOTAVAIL (ZMQ_HAUSNUMERO + 6)
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#endif
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#ifndef ECONNREFUSED
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#define ECONNREFUSED (ZMQ_HAUSNUMERO + 7)
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#endif
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#ifndef EINPROGRESS
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#define EINPROGRESS (ZMQ_HAUSNUMERO + 8)
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#endif
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#ifndef ENOTSOCK
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#define ENOTSOCK (ZMQ_HAUSNUMERO + 9)
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#endif
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#ifndef EMSGSIZE
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#define EMSGSIZE (ZMQ_HAUSNUMERO + 10)
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#endif
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#ifndef EAFNOSUPPORT
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#define EAFNOSUPPORT (ZMQ_HAUSNUMERO + 11)
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#endif
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#ifndef ENETUNREACH
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#define ENETUNREACH (ZMQ_HAUSNUMERO + 12)
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#endif
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#ifndef ECONNABORTED
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#define ECONNABORTED (ZMQ_HAUSNUMERO + 13)
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#endif
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#ifndef ECONNRESET
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#define ECONNRESET (ZMQ_HAUSNUMERO + 14)
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#endif
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#ifndef ENOTCONN
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#define ENOTCONN (ZMQ_HAUSNUMERO + 15)
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#endif
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#ifndef ETIMEDOUT
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#define ETIMEDOUT (ZMQ_HAUSNUMERO + 16)
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#endif
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#ifndef EHOSTUNREACH
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#define EHOSTUNREACH (ZMQ_HAUSNUMERO + 17)
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#endif
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#ifndef ENETRESET
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#define ENETRESET (ZMQ_HAUSNUMERO + 18)
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#endif
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/* Native 0MQ error codes. */
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#define EFSM (ZMQ_HAUSNUMERO + 51)
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#define ENOCOMPATPROTO (ZMQ_HAUSNUMERO + 52)
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#define ETERM (ZMQ_HAUSNUMERO + 53)
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#define EMTHREAD (ZMQ_HAUSNUMERO + 54)
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/* Run-time API version detection */
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ZMQ_EXPORT void zmq_version (int *major, int *minor, int *patch);
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/* This function retrieves the errno as it is known to 0MQ library. The goal */
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/* of this function is to make the code 100% portable, including where 0MQ */
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/* compiled with certain CRT library (on Windows) is linked to an */
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/* application that uses different CRT library. */
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ZMQ_EXPORT int zmq_errno (void);
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/* Resolves system errors and 0MQ errors to human-readable string. */
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ZMQ_EXPORT const char *zmq_strerror (int errnum);
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/******************************************************************************/
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/* 0MQ infrastructure (a.k.a. context) initialisation & termination. */
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/******************************************************************************/
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/* New API */
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/* Context options */
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#define ZMQ_IO_THREADS 1
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#define ZMQ_MAX_SOCKETS 2
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/* Default for new contexts */
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#define ZMQ_IO_THREADS_DFLT 1
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#define ZMQ_MAX_SOCKETS_DFLT 1023
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ZMQ_EXPORT void *zmq_ctx_new (void);
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ZMQ_EXPORT int zmq_ctx_term (void *context);
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ZMQ_EXPORT int zmq_ctx_shutdown (void *ctx_);
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ZMQ_EXPORT int zmq_ctx_set (void *context, int option, int optval);
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ZMQ_EXPORT int zmq_ctx_get (void *context, int option);
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/* Old (legacy) API */
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ZMQ_EXPORT void *zmq_init (int io_threads);
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ZMQ_EXPORT int zmq_term (void *context);
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ZMQ_EXPORT int zmq_ctx_destroy (void *context);
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/******************************************************************************/
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/* 0MQ message definition. */
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/******************************************************************************/
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typedef struct zmq_msg_t {unsigned char _ [32];} zmq_msg_t;
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typedef void (zmq_free_fn) (void *data, void *hint);
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ZMQ_EXPORT int zmq_msg_init (zmq_msg_t *msg);
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ZMQ_EXPORT int zmq_msg_init_size (zmq_msg_t *msg, size_t size);
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ZMQ_EXPORT int zmq_msg_init_data (zmq_msg_t *msg, void *data,
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size_t size, zmq_free_fn *ffn, void *hint);
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ZMQ_EXPORT int zmq_msg_send (zmq_msg_t *msg, void *s, int flags);
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ZMQ_EXPORT int zmq_msg_recv (zmq_msg_t *msg, void *s, int flags);
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ZMQ_EXPORT int zmq_msg_close (zmq_msg_t *msg);
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ZMQ_EXPORT int zmq_msg_move (zmq_msg_t *dest, zmq_msg_t *src);
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ZMQ_EXPORT int zmq_msg_copy (zmq_msg_t *dest, zmq_msg_t *src);
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ZMQ_EXPORT void *zmq_msg_data (zmq_msg_t *msg);
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ZMQ_EXPORT size_t zmq_msg_size (zmq_msg_t *msg);
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ZMQ_EXPORT int zmq_msg_more (zmq_msg_t *msg);
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ZMQ_EXPORT int zmq_msg_get (zmq_msg_t *msg, int option);
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ZMQ_EXPORT int zmq_msg_set (zmq_msg_t *msg, int option, int optval);
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/******************************************************************************/
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/* 0MQ socket definition. */
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/******************************************************************************/
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/* Socket types. */
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#define ZMQ_PAIR 0
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#define ZMQ_PUB 1
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#define ZMQ_SUB 2
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#define ZMQ_REQ 3
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#define ZMQ_REP 4
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#define ZMQ_DEALER 5
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#define ZMQ_ROUTER 6
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#define ZMQ_PULL 7
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#define ZMQ_PUSH 8
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#define ZMQ_XPUB 9
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#define ZMQ_XSUB 10
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#define ZMQ_STREAM 11
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/* Deprecated aliases */
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#define ZMQ_XREQ ZMQ_DEALER
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#define ZMQ_XREP ZMQ_ROUTER
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/* Socket options. */
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#define ZMQ_AFFINITY 4
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#define ZMQ_IDENTITY 5
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#define ZMQ_SUBSCRIBE 6
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#define ZMQ_UNSUBSCRIBE 7
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#define ZMQ_RATE 8
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#define ZMQ_RECOVERY_IVL 9
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#define ZMQ_SNDBUF 11
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#define ZMQ_RCVBUF 12
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#define ZMQ_RCVMORE 13
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#define ZMQ_FD 14
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#define ZMQ_EVENTS 15
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#define ZMQ_TYPE 16
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#define ZMQ_LINGER 17
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#define ZMQ_RECONNECT_IVL 18
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#define ZMQ_BACKLOG 19
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#define ZMQ_RECONNECT_IVL_MAX 21
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#define ZMQ_MAXMSGSIZE 22
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#define ZMQ_SNDHWM 23
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#define ZMQ_RCVHWM 24
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#define ZMQ_MULTICAST_HOPS 25
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#define ZMQ_RCVTIMEO 27
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#define ZMQ_SNDTIMEO 28
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#define ZMQ_LAST_ENDPOINT 32
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#define ZMQ_ROUTER_MANDATORY 33
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#define ZMQ_TCP_KEEPALIVE 34
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#define ZMQ_TCP_KEEPALIVE_CNT 35
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#define ZMQ_TCP_KEEPALIVE_IDLE 36
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#define ZMQ_TCP_KEEPALIVE_INTVL 37
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#define ZMQ_TCP_ACCEPT_FILTER 38
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#define ZMQ_IMMEDIATE 39
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#define ZMQ_XPUB_VERBOSE 40
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#define ZMQ_ROUTER_RAW 41
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#define ZMQ_IPV6 42
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#define ZMQ_MECHANISM 43
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#define ZMQ_PLAIN_SERVER 44
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#define ZMQ_PLAIN_USERNAME 45
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#define ZMQ_PLAIN_PASSWORD 46
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#define ZMQ_CURVE_SERVER 47
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#define ZMQ_CURVE_PUBLICKEY 48
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#define ZMQ_CURVE_SECRETKEY 49
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#define ZMQ_CURVE_SERVERKEY 50
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#define ZMQ_PROBE_ROUTER 51
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#define ZMQ_REQ_CORRELATE 52
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#define ZMQ_REQ_RELAXED 53
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#define ZMQ_CONFLATE 54
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#define ZMQ_ZAP_DOMAIN 55
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/* Message options */
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#define ZMQ_MORE 1
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/* Send/recv options. */
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#define ZMQ_DONTWAIT 1
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#define ZMQ_SNDMORE 2
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/* Security mechanisms */
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#define ZMQ_NULL 0
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#define ZMQ_PLAIN 1
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#define ZMQ_CURVE 2
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/* Deprecated options and aliases */
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#define ZMQ_IPV4ONLY 31
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#define ZMQ_DELAY_ATTACH_ON_CONNECT ZMQ_IMMEDIATE
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#define ZMQ_NOBLOCK ZMQ_DONTWAIT
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#define ZMQ_FAIL_UNROUTABLE ZMQ_ROUTER_MANDATORY
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#define ZMQ_ROUTER_BEHAVIOR ZMQ_ROUTER_MANDATORY
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/******************************************************************************/
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/* 0MQ socket events and monitoring */
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/******************************************************************************/
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/* Socket transport events (tcp and ipc only) */
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#define ZMQ_EVENT_CONNECTED 1
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#define ZMQ_EVENT_CONNECT_DELAYED 2
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#define ZMQ_EVENT_CONNECT_RETRIED 4
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#define ZMQ_EVENT_LISTENING 8
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#define ZMQ_EVENT_BIND_FAILED 16
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#define ZMQ_EVENT_ACCEPTED 32
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#define ZMQ_EVENT_ACCEPT_FAILED 64
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#define ZMQ_EVENT_CLOSED 128
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#define ZMQ_EVENT_CLOSE_FAILED 256
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#define ZMQ_EVENT_DISCONNECTED 512
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#define ZMQ_EVENT_MONITOR_STOPPED 1024
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#define ZMQ_EVENT_ALL ( ZMQ_EVENT_CONNECTED | ZMQ_EVENT_CONNECT_DELAYED | \
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ZMQ_EVENT_CONNECT_RETRIED | ZMQ_EVENT_LISTENING | \
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ZMQ_EVENT_BIND_FAILED | ZMQ_EVENT_ACCEPTED | \
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ZMQ_EVENT_ACCEPT_FAILED | ZMQ_EVENT_CLOSED | \
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ZMQ_EVENT_CLOSE_FAILED | ZMQ_EVENT_DISCONNECTED | \
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ZMQ_EVENT_MONITOR_STOPPED)
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/* Socket event data */
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typedef struct {
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uint16_t event; // id of the event as bitfield
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int32_t value ; // value is either error code, fd or reconnect interval
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} zmq_event_t;
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ZMQ_EXPORT void *zmq_socket (void *, int type);
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ZMQ_EXPORT int zmq_close (void *s);
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ZMQ_EXPORT int zmq_setsockopt (void *s, int option, const void *optval,
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size_t optvallen);
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ZMQ_EXPORT int zmq_getsockopt (void *s, int option, void *optval,
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size_t *optvallen);
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ZMQ_EXPORT int zmq_bind (void *s, const char *addr);
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ZMQ_EXPORT int zmq_connect (void *s, const char *addr);
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ZMQ_EXPORT int zmq_unbind (void *s, const char *addr);
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ZMQ_EXPORT int zmq_disconnect (void *s, const char *addr);
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ZMQ_EXPORT int zmq_send (void *s, const void *buf, size_t len, int flags);
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ZMQ_EXPORT int zmq_send_const (void *s, const void *buf, size_t len, int flags);
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ZMQ_EXPORT int zmq_recv (void *s, void *buf, size_t len, int flags);
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ZMQ_EXPORT int zmq_socket_monitor (void *s, const char *addr, int events);
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ZMQ_EXPORT int zmq_sendmsg (void *s, zmq_msg_t *msg, int flags);
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ZMQ_EXPORT int zmq_recvmsg (void *s, zmq_msg_t *msg, int flags);
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/* Experimental */
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struct iovec;
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ZMQ_EXPORT int zmq_sendiov (void *s, struct iovec *iov, size_t count, int flags);
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ZMQ_EXPORT int zmq_recviov (void *s, struct iovec *iov, size_t *count, int flags);
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/******************************************************************************/
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/* I/O multiplexing. */
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/******************************************************************************/
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#define ZMQ_POLLIN 1
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#define ZMQ_POLLOUT 2
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#define ZMQ_POLLERR 4
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typedef struct
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{
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void *socket;
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#if defined _WIN32
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SOCKET fd;
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#else
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int fd;
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#endif
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short events;
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short revents;
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} zmq_pollitem_t;
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#define ZMQ_POLLITEMS_DFLT 16
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ZMQ_EXPORT int zmq_poll (zmq_pollitem_t *items, int nitems, long timeout);
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/* Built-in message proxy (3-way) */
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ZMQ_EXPORT int zmq_proxy (void *frontend, void *backend, void *capture);
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/* Encode a binary key as printable text using ZMQ RFC 32 */
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ZMQ_EXPORT char *zmq_z85_encode (char *dest, uint8_t *data, size_t size);
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/* Encode a binary key from printable text per ZMQ RFC 32 */
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ZMQ_EXPORT uint8_t *zmq_z85_decode (uint8_t *dest, char *string);
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/* Deprecated aliases */
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#define ZMQ_STREAMER 1
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#define ZMQ_FORWARDER 2
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#define ZMQ_QUEUE 3
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/* Deprecated method */
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ZMQ_EXPORT int zmq_device (int type, void *frontend, void *backend);
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#undef ZMQ_EXPORT
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#ifdef __cplusplus
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}
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#endif
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#endif
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