From fa6bf24d8030b0e54fd25b167064482e4cf08a36 Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@fastmq.commkdir>
Date: Sun, 13 Dec 2009 14:45:23 +0100
Subject: XREP & XREQ socket types added; zmq_queue device added
---
devices/zmq_queue/Makefile.am | 9 +++
devices/zmq_queue/zmq_queue.cpp | 122 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 131 insertions(+)
create mode 100644 devices/zmq_queue/Makefile.am
create mode 100644 devices/zmq_queue/zmq_queue.cpp
(limited to 'devices/zmq_queue')
diff --git a/devices/zmq_queue/Makefile.am b/devices/zmq_queue/Makefile.am
new file mode 100644
index 0000000..8d3ec36
--- /dev/null
+++ b/devices/zmq_queue/Makefile.am
@@ -0,0 +1,9 @@
+INCLUDES = -I$(top_srcdir)/bindings/cpp -I$(top_srcdir)/bindings/c
+
+bin_PROGRAMS = zmq_queue
+
+zmq_queue_LDADD = $(top_builddir)/src/libzmq.la
+zmq_queue_SOURCES = zmq_queue.cpp
+zmq_queue_CXXFLAGS = -Wall -pedantic -Werror
+
+
diff --git a/devices/zmq_queue/zmq_queue.cpp b/devices/zmq_queue/zmq_queue.cpp
new file mode 100644
index 0000000..78ccd2d
--- /dev/null
+++ b/devices/zmq_queue/zmq_queue.cpp
@@ -0,0 +1,122 @@
+/*
+ Copyright (c) 2007-2009 FastMQ Inc.
+
+ 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/>.
+*/
+
+#include "../../bindings/cpp/zmq.hpp"
+#include "../../foreign/xmlParser/xmlParser.cpp"
+
+int main (int argc, char *argv [])
+{
+ if (argc != 2) {
+ fprintf (stderr, "usage: zmq_queue <config-file>\n");
+ return 1;
+ }
+
+ XMLNode root = XMLNode::parseFile (argv [1]);
+ if (root.isEmpty ()) {
+ fprintf (stderr, "configuration file not found or not an XML file\n");
+ return 1;
+ }
+
+ if (strcmp (root.getName (), "queue") != 0) {
+ fprintf (stderr, "root element in the configuration file should be "
+ "named 'queue'\n");
+ return 1;
+ }
+
+ XMLNode in_node = root.getChildNode ("in");
+ if (in_node.isEmpty ()) {
+ fprintf (stderr, "'in' node is missing in the configuration file\n");
+ return 1;
+ }
+
+ XMLNode out_node = root.getChildNode ("out");
+ if (out_node.isEmpty ()) {
+ fprintf (stderr, "'out' node is missing in the configuration file\n");
+ return 1;
+ }
+
+ // TODO: make the number of I/O threads configurable.
+ zmq::context_t ctx (1, 1);
+ zmq::socket_t in_socket (ctx, ZMQ_XREP);
+ zmq::socket_t out_socket (ctx, ZMQ_XREQ);
+
+ int n = 0;
+ while (true) {
+ XMLNode bind = in_node.getChildNode ("bind", n);
+ if (bind.isEmpty ())
+ break;
+ const char *addr = bind.getAttribute ("addr");
+ if (!addr) {
+ fprintf (stderr, "'bind' node is missing 'addr' attribute\n");
+ return 1;
+ }
+ in_socket.bind (addr);
+ n++;
+ }
+
+ n = 0;
+ while (true) {
+ XMLNode connect = in_node.getChildNode ("connect", n);
+ if (connect.isEmpty ())
+ break;
+ const char *addr = connect.getAttribute ("addr");
+ if (!addr) {
+ fprintf (stderr, "'connect' node is missing 'addr' attribute\n");
+ return 1;
+ }
+ in_socket.connect (addr);
+ n++;
+ }
+
+ n = 0;
+ while (true) {
+ XMLNode bind = out_node.getChildNode ("bind", n);
+ if (bind.isEmpty ())
+ break;
+ const char *addr = bind.getAttribute ("addr");
+ if (!addr) {
+ fprintf (stderr, "'bind' node is missing 'addr' attribute\n");
+ return 1;
+ }
+ out_socket.bind (addr);
+ n++;
+ }
+
+ n = 0;
+ while (true) {
+ XMLNode connect = out_node.getChildNode ("connect", n);
+ if (connect.isEmpty ())
+ break;
+ const char *addr = connect.getAttribute ("addr");
+ if (!addr) {
+ fprintf (stderr, "'connect' node is missing 'addr' attribute\n");
+ return 1;
+ }
+ out_socket.connect (addr);
+ n++;
+ }
+
+ zmq::message_t msg;
+ while (true) {
+ in_socket.recv (&msg);
+ out_socket.send (msg);
+ }
+
+ return 0;
+}
--
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