Imported Upstream version 2.0.7.dfsgupstream/2.0.7.dfsg

2 files changed, 504 insertions, 0 deletions

diff --git a/include/zmq.h b/include/zmq.h
new file mode 100644
index 0000000..3bf55b6
--- /dev/null
+++ b/include/zmq.h
@@ -0,0 +1,230 @@
+/*
+    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
+
+/*  Win32 needs special handling for DLL exports                              */
+#if defined _WIN32
+#   if defined DLL_EXPORT
+#       define ZMQ_EXPORT __declspec(dllexport)
+#   else
+#       define ZMQ_EXPORT __declspec(dllimport)
+#   endif
+#else
+#   define ZMQ_EXPORT
+#endif
+
+/******************************************************************************/
+/*  0MQ versioning support.                                                    */
+/******************************************************************************/
+
+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)
+#define ETERM (ZMQ_HAUSNUMERO + 53)
+
+/*  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 that uses different CRT library.                              */
+ZMQ_EXPORT int zmq_errno ();
+
+/*  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_MORE 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.         */
+/******************************************************************************/
+
+ZMQ_EXPORT void *zmq_init (int io_threads);
+ZMQ_EXPORT int zmq_term (void *context);
+
+/******************************************************************************/
+/*  0MQ socket definition.                                                    */
+/******************************************************************************/
+
+/*  Socket types.                                                             */ 
+#define ZMQ_PAIR 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
+
+/*  Socket options.                                                           */
+#define ZMQ_HWM 1
+#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_RCVMORE 13
+
+/*  Send/recv options.                                                        */
+#define ZMQ_NOBLOCK 1
+#define ZMQ_SNDMORE 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_getsockopt (void *s, int option, 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_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);
+
+/******************************************************************************/
+/*  Devices - Experimental.                                                   */
+/******************************************************************************/
+
+#define ZMQ_STREAMER 1
+#define ZMQ_FORWARDER 2
+#define ZMQ_QUEUE 3
+
+ZMQ_EXPORT int zmq_device (int device, void * insocket, void* outsocket);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/zmq.hpp b/include/zmq.hpp
new file mode 100644
index 0000000..86ffff6
--- /dev/null
+++ b/include/zmq.hpp
@@ -0,0 +1,274 @@
+/*
+    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_HPP_INCLUDED__
+#define __ZMQ_HPP_INCLUDED__
+
+#include "zmq.h"
+
+#include <assert.h>
+#include <string.h>
+#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);
+        }
+
+    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);
+            if (rc != 0)
+                throw error_t ();
+        }
+
+        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);
+        }
+
+    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 ()
+        {
+            int rc = zmq_close (ptr);
+            if (rc != 0)
+                throw error_t ();
+        }
+
+        inline operator void* ()
+        {
+            return ptr;
+        }
+
+        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