Add test program that finds limits of cpg message size.

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2389 fd59a12c-fef9-0310-b244-a6a79926bd2f

test/Makefile.am

@@ -36,7 +36,7 @@ INCLUDES       		= -I$(top_builddir)/include -I$(top_srcdir)/include
 noinst_PROGRAMS		= testevs evsbench evsverify cpgverify testcpg testcpg2 cpgbench testconfdb	\
 			logsysbench logsysrec testquorum testvotequorum1 testvotequorum2	\
 			logsys_s logsys_t1 logsys_t2 testcpgzc cpgbenchzc testzcgc \
-			stress_cpgzc stress_cpgfdget stress_cpgcontext
+			stress_cpgzc stress_cpgfdget stress_cpgcontext cpgbound
 
 testevs_LDADD		= -levs -lcoroipcc
 testevs_LDFLAGS		= -L../lib
@@ -66,6 +66,8 @@ evsverify_LDADD		= -levs -ltotem_pg -lcoroipcc
 evsverify_LDFLAGS	= -L../lib -L../exec
 cpgverify_LDADD		= -lcpg -ltotem_pg -lcoroipcc
 cpgverify_LDFLAGS	= -L../lib -L../exec
+cpgbound_LDADD		= -lcpg -lcoroipcc
+cpgbound_LDFLAGS	= -L../lib
 evsbench_LDADD		= -levs -lcoroipcc
 evsbench_LDFLAGS	= -L../lib
 cpgbench_LDADD		= -lcpg -lcoroipcc

test/cpgbound.c

@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2009 Red Hat, Inc.
+ *
+ * All rights reserved.
+ *
+ * Author: Steven Dake (sdake@redhat.com)
+ *
+ * This software licensed under BSD license, the text of which follows:
+ *
+ * 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.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of the MontaVista Software, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * 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 OWNER 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.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <string.h>
+#include <corosync/corotypes.h>
+#include <corosync/cpg.h>
+
+static void cpg_deliver_fn (
+        cpg_handle_t handle,
+        const struct cpg_name *group_name,
+        uint32_t nodeid,
+        uint32_t pid,
+        void *m,
+        size_t msg_len)
+{
+}
+
+static void cpg_confchg_fn (
+        cpg_handle_t handle,
+        const struct cpg_name *group_name,
+        const struct cpg_address *member_list, size_t member_list_entries,
+        const struct cpg_address *left_list, size_t left_list_entries,
+        const struct cpg_address *joined_list, size_t joined_list_entries)
+{
+}
+
+static cpg_callbacks_t callbacks = {
+	cpg_deliver_fn,
+	cpg_confchg_fn
+};
+
+static struct cpg_name group_name = {
+        .value = "cpg_bm",
+        .length = 6
+};
+
+
+static unsigned char buffer[2000000];
+int main (void)
+{
+	cpg_handle_t handle;
+	cs_error_t result;
+	unsigned int i = 0;
+	struct iovec iov;
+	int res;
+	unsigned int msg_size;
+
+	result = cpg_initialize (&handle, &callbacks);
+	if (result != CS_OK) {
+		printf ("Couldn't initialize CPG service %d\n", result);
+		exit (0);
+	}
+
+        res = cpg_join (handle, &group_name);
+        if (res != CS_OK) {
+                printf ("cpg_join failed with result %d\n", res);
+                exit (1);
+        }
+
+	iov.iov_base = (void *)buffer;
+
+	/*
+	 * Demonstrate cpg_mcast_joined
+	 */
+	msg_size = 1025000;
+	for (i = 0; i < 1000000000; i++) {
+		iov.iov_len = msg_size;
+try_again_one:
+		result = cpg_mcast_joined (handle, CPG_TYPE_AGREED,
+			&iov, 1);
+		if (result == CS_ERR_TRY_AGAIN) {
+			goto try_again_one;
+		}
+		if (result == CS_ERR_INVALID_PARAM) {
+			printf ("found boundary at %d\n", msg_size);
+			exit (1);
+		}
+		msg_size += 1;
+		printf ("msg size %d\n", msg_size);
+		result = cpg_dispatch (handle, CS_DISPATCH_ALL);
+	}
+
+	cpg_finalize (handle);
+
+	return (0);
+}