XS_CTX_MAX_SOCKETS option implemented

To implement context options properly, initialisation of context
is postponed till creation of the first socket. In the meantime
it is possible to set socket options.

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

3 files changed, 55 insertions, 2 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 85c7527..fba6271 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -17,7 +17,8 @@ noinst_PROGRAMS = pair_inproc \
                   shutdown_stress \
                   pair_ipc \
                   reqrep_ipc \
-                  timeo
+                  timeo \
+                  max_sockets
 
 pair_inproc_SOURCES = pair_inproc.cpp testutil.hpp
 pair_tcp_SOURCES = pair_tcp.cpp testutil.hpp
@@ -34,5 +35,6 @@ shutdown_stress_SOURCES = shutdown_stress.cpp
 pair_ipc_SOURCES = pair_ipc.cpp testutil.hpp
 reqrep_ipc_SOURCES = reqrep_ipc.cpp testutil.hpp
 timeo_SOURCES = timeo.cpp
+max_sockets_SOURCES = max_sockets.cpp
 
 TESTS = $(noinst_PROGRAMS)
diff --git a/tests/linger.cpp b/tests/linger.cpp
index 5c0480c..35de303 100644
--- a/tests/linger.cpp
+++ b/tests/linger.cpp
@@ -24,7 +24,7 @@ int XS_TEST_MAIN ()
 {
     fprintf (stderr, "linger test running...\n");
 
-    //  Create REQ/XREP wiring.
+    //  Create socket.
     void *ctx = xs_init (1);
     assert (ctx);
     void *s = xs_socket (ctx, XS_PUSH);
diff --git a/tests/max_sockets.cpp b/tests/max_sockets.cpp
new file mode 100644
index 0000000..4ce6cb9
--- /dev/null
+++ b/tests/max_sockets.cpp
@@ -0,0 +1,51 @@
+/*
+    Copyright (c) 2012 250bpm s.r.o.
+    Copyright (c) 2012 Other contributors as noted in the AUTHORS file
+
+    This file is part of Crossroads project.
+
+    Crossroads 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 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, "max_sockets test running...\n");
+
+    //  Create context and set MAX_SOCKETS to 1.
+    void *ctx = xs_init (1);
+    assert (ctx);
+    int max_sockets = 1;
+    int rc = xs_setctxopt (ctx, XS_CTX_MAX_SOCKETS, &max_sockets,
+        sizeof (max_sockets));
+    assert (rc == 0);
+
+    //  First socket should be created OK.
+    void *s1 = xs_socket (ctx, XS_PUSH);
+    assert (s1);
+
+    //  Creation of second socket should fail.
+    void *s2 = xs_socket (ctx, XS_PUSH);
+    assert (!s2 && errno == EMFILE);
+
+    //  Clean up.
+    rc = xs_close (s1);
+    assert (rc == 0);
+    rc = xs_term (ctx);
+    assert (rc == 0);
+
+    return 0;
+}
+