1 files changed, 249 insertions, 0 deletions
diff --git a/include/zmq.h b/include/zmq.h
new file mode 100644
index 0000000..7d8d8ad
--- /dev/null
+++ b/include/zmq.h
@@ -0,0 +1,249 @@
+/*
+    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