socket-util: Work around Unix domain socket path name limits on Linux.

[cascardo/ovs.git] / tests / test-unix-socket.c

diff --git a/tests/test-unix-socket.c b/tests/test-unix-socket.c
new file mode 100644 (file)
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--- /dev/null
+++ b/tests/test-unix-socket.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2010 Nicira Networks.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <config.h>
+
+#include <errno.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include "util.h"
+#include "socket-util.h"
+
+int
+main(int argc, char *argv[])
+{
+    const char *sockname1;
+    const char *sockname2;
+    int sock1, sock2;
+
+    set_program_name(argv[0]);
+
+    if (argc != 2 && argc != 3) {
+        ovs_fatal(0, "usage: %s SOCKETNAME1 [SOCKETNAME2]", argv[0]);
+    }
+    sockname1 = argv[1];
+    sockname2 = argc > 2 ? argv[2] : sockname1;
+
+    signal(SIGALRM, SIG_DFL);
+    alarm(5);
+
+    /* Create a listening socket under name 'sockname1'. */
+    sock1 = make_unix_socket(SOCK_STREAM, false, false, sockname1, NULL);
+    if (sock1 < 0) {
+        ovs_fatal(-sock1, "%s: bind failed", sockname1);
+    }
+    if (listen(sock1, 1)) {
+        ovs_fatal(errno, "%s: listen failed", sockname1);
+    }
+
+    /* Connect to 'sockname2' (which should be the same file, perhaps under a
+     * different name). */
+    sock2 = make_unix_socket(SOCK_STREAM, false, false, NULL, sockname2);
+    if (sock2 < 0) {
+        ovs_fatal(-sock2, "%s: connect failed", sockname2);
+    }
+
+    close(sock1);
+    close(sock2);
+
+    return 0;
+}