[WIP] UDP supportudp

Signed-off-by: Martin Lucina <martin@lucina.net>

2 files changed, 92 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 27ca5dd..52e8e1c 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -7,6 +7,7 @@ noinst_PROGRAMS = pair_inproc \
                   pair_tcp \
                   reqrep_inproc \
                   reqrep_tcp \
+                  pubsub_udp \
                   hwm \
                   reqrep_device \
                   sub_forward \
@@ -32,6 +33,7 @@ pair_inproc_SOURCES = pair_inproc.cpp testutil.hpp
 pair_tcp_SOURCES = pair_tcp.cpp testutil.hpp
 reqrep_inproc_SOURCES = reqrep_inproc.cpp testutil.hpp
 reqrep_tcp_SOURCES = reqrep_tcp.cpp testutil.hpp
+pubsub_udp_SOURCES = pubsub_udp.cpp testutil.hpp
 hwm_SOURCES = hwm.cpp
 reqrep_device_SOURCES = reqrep_device.cpp
 sub_forward_SOURCES = sub_forward.cpp
diff --git a/tests/pubsub_udp.cpp b/tests/pubsub_udp.cpp
new file mode 100644
index 0000000..e981457
--- /dev/null
+++ b/tests/pubsub_udp.cpp
@@ -0,0 +1,90 @@
+/*
+    Copyright (c) 2012 Martin Lucina <martin@lucina.net>
+
+    This file is part of Crossroads I/O.
+
+    Crossroads I/O is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or (at your
+    option) any later version.
+
+    Crossroads I/O 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 GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "testutil.hpp"
+
+int XS_TEST_MAIN ()
+{
+    fprintf (stderr, "pubsub_udp test running...\n");
+
+    void *ctx = xs_init ();
+    assert (ctx);
+
+    void *pub = xs_socket (ctx, XS_PUB);
+    assert (pub);
+    int rc = xs_bind (pub, "udp://127.0.0.1:5555");
+    assert (rc != -1);
+
+    void *sub = xs_socket (ctx, XS_SUB);
+    assert (sub);
+    rc = xs_connect (sub, "udp://127.0.0.1:5555");
+    assert (rc != -1);
+    rc = xs_setsockopt (sub, XS_SUBSCRIBE, "", 0);
+    assert (rc == 0);
+    
+    const char *content = "12345678ABCDEFGH12345678abcdefgh";
+
+    //  TODO: Due to a core bug, the first message on a PUB/SUB socket
+    //  is always lost. For now just send a dummy message.
+    rc = xs_send (pub, "", 0, 0);
+    assert (rc == 0);
+
+    //  Send a message with two identical parts.
+    rc = xs_send (pub, content, 32, XS_SNDMORE);
+    assert (rc == 32);
+    rc = xs_send (pub, content, 32, 0);
+    assert (rc == 32);
+    
+    //  Receive the first part.
+    char rcvbuf [32];
+    int rcvmore = 0;
+    size_t rcvmore_sz = sizeof rcvmore;
+    rc = xs_recv (sub, rcvbuf, 32, 0);
+    assert (rc == 32);
+    rc = xs_getsockopt (sub, XS_RCVMORE, &rcvmore, &rcvmore_sz);
+    assert (rc == 0);
+
+    //  There must be one more part to receive.
+    assert (rcvmore);
+    //  And the content must match what was sent.
+    assert (memcmp (rcvbuf, content, 32) == 0);
+
+    //  Receive the second part.
+    rc = xs_recv (sub, rcvbuf, 32, 0);
+    assert (rc == 32);
+    rcvmore_sz = sizeof rcvmore;
+    rc = xs_getsockopt (sub, XS_RCVMORE, &rcvmore, &rcvmore_sz);
+    assert (rc == 0);
+
+    //  There must not be another part.
+    assert (!rcvmore);
+    //  And the content must match what was sent.
+    assert (memcmp (rcvbuf, content, 32) == 0);
+
+    rc = xs_close (pub);
+    assert (rc == 0);
+
+    rc = xs_close (sub);
+    assert (rc == 0);
+
+    rc = xs_term (ctx);
+    assert (rc == 0);
+
+    return 0 ;
+}