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154 | -- Copyright (C)2020-2023, Philip Munts dba Munts Technologies.
--
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are met:
--
-- * Redistributions of source code must retain the above copyright notice,
-- this list of conditions and the following disclaimer.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-- POSSIBILITY OF SUCH DAMAGE.
-- String actual parameters *MUST* be NUL terminated, e.g. "FOO" & ASCII.NUL
WITH Interfaces.C;
WITH Interfaces.C.Strings;
WITH System;
PACKAGE libzmq IS
PRAGMA Link_With("-lzmq");
-- Direct binding to C functions in libzmq
TYPE zmq_poller_event_t IS RECORD
socket : System.Address;
fd : Interfaces.C.int;
data : System.Address;
events : Interfaces.C.short;
END RECORD WITH Convention => C;
-- Socket types
ZMQ_PAIR : CONSTANT := 0;
ZMQ_PUB : CONSTANT := 1;
ZMQ_SUB : CONSTANT := 2;
ZMQ_REQ : CONSTANT := 3;
ZMQ_REP : CONSTANT := 4;
ZMQ_DEALER : CONSTANT := 5;
ZMQ_ROUTER : CONSTANT := 6;
ZMQ_PULL : CONSTANT := 7;
ZMQ_PUSH : CONSTANT := 8;
ZMQ_XPUB : CONSTANT := 9;
ZMQ_XSUB : CONSTANT := 10;
ZMQ_STREAM : CONSTANT := 11;
-- Draft socket types
ZMQ_SERVER : CONSTANT := 12;
ZMQ_CLIENT : CONSTANT := 13;
ZMQ_RADIO : CONSTANT := 14;
ZMQ_DISH : CONSTANT := 15;
ZMQ_GATHER : CONSTANT := 16;
ZMQ_SCATTER : CONSTANT := 17;
ZMQ_DGRAM : CONSTANT := 18;
-- Deprecated socket type aliases
ZMQ_XREQ : CONSTANT := ZMQ_DEALER;
ZMQ_XREP : CONSTANT := ZMQ_ROUTER;
-- Send/receive options
ZMQ_DONTWAIT : CONSTANT := 1;
ZMQ_SNDMORE : CONSTANT := 2;
-- Poll event flags
ZMQ_POLLIN : CONSTANT := 1;
ZMQ_POLLOUT : CONSTANT := 2;
ZMQ_POLLERR : CONSTANT := 4;
ZMQ_POLLPRI : CONSTANT := 8;
FUNCTION zmq_ctx_new RETURN System.Address
WITH Import => True, Convention => C;
FUNCTION zmq_ctx_term
(ctx : System.Address) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_socket
(ctx : System.Address;
SocketType : Interfaces.C.int) RETURN System.Address
WITH Import => True, Convention => C;
FUNCTION zmq_bind
(socket : System.Address;
endpoint : String) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_connect
(socket : System.Address;
endpoint : String) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_close
(socket : System.Address) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_recv
(socket : System.Address;
buf : System.Address;
len : Interfaces.C.size_t;
flags : Interfaces.C.int := 0) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_send
(socket : System.Address;
buf : System.Address;
len : Interfaces.C.size_t;
flags : Interfaces.C.int := 0) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_poller_new RETURN System.Address
WITH Import => True, Convention => C;
FUNCTION zmq_poller_destroy
(poller : System.Address) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_poller_add
(poller : System.Address;
socket : System.Address;
data : System.Address;
events : Interfaces.C.short) RETURN Interfaces.C.int
WITH Import => True, Convention => C;
FUNCTION zmq_poller_wait
(poller : System.Address;
event : IN OUT zmq_poller_event_t;
timeout : Interfaces.C.long) RETURN Interfaces.C.Int
WITH Import => True, Convention => C;
FUNCTION zmq_strerror
(errnum : Interfaces.C.Int) RETURN Interfaces.C.Strings.chars_ptr
WITH Import => True, Convention => C;
FUNCTION errno RETURN Interfaces.C.Int
WITH Import => True, Convention => C, External_Name => "__get_errno";
FUNCTION strerror(errnum : Interfaces.C.Int) RETURN STRING IS
(Interfaces.C.Strings.Value(zmq_strerror(errnum)));
FUNCTION strerror RETURN STRING IS
(Interfaces.C.Strings.Value(zmq_strerror(errno)));
END libzmq;
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