r22231: merge from bzr ctdb tree

(This used to be commit 807b959082d3b9a929c9f6597714e636638a940e)

1 files changed, 187 insertions, 0 deletions

diff --git a/source4/cluster/ctdb/tests/ctdb_messaging.c b/source4/cluster/ctdb/tests/ctdb_messaging.c
new file mode 100644
index 0000000000..050f14de38
--- /dev/null
+++ b/source4/cluster/ctdb/tests/ctdb_messaging.c
@@ -0,0 +1,187 @@
+/* 
+   test of messaging
+
+   Copyright (C) Andrew Tridgell  2006
+
+   This library 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 2 of the License, or (at your option) any later version.
+
+   This library 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 library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "includes.h"
+#include "lib/events/events.h"
+#include "system/filesys.h"
+#include "popt.h"
+
+static int timelimit = 10;
+static int num_records = 10;
+static int num_msgs = 1;
+static int num_repeats = 100;
+static int num_clients = 2;
+
+
+/*
+  handler for messages in bench_ring()
+*/
+static void message_handler(struct ctdb_context *ctdb, uint32_t srvid, 
+				 TDB_DATA data, void *private_data)
+{
+	printf("client vnn:%d received a message to srvid:%d [%s]\n",ctdb_get_vnn(ctdb),srvid,data.dptr);
+	fflush(stdout);
+}
+
+/*
+  main program
+*/
+int main(int argc, const char *argv[])
+{
+	struct ctdb_context *ctdb;
+	struct ctdb_db_context *ctdb_db;
+	const char *nlist = NULL;
+	const char *transport = "tcp";
+	const char *myaddress = NULL;
+	int self_connect=0;
+	int daemon_mode=0;
+	char buf[256];
+
+	struct poptOption popt_options[] = {
+		POPT_AUTOHELP
+		{ "nlist", 0, POPT_ARG_STRING, &nlist, 0, "node list file", "filename" },
+		{ "listen", 0, POPT_ARG_STRING, &myaddress, 0, "address to listen on", "address" },
+		{ "transport", 0, POPT_ARG_STRING, &transport, 0, "protocol transport", NULL },
+		{ "self-connect", 0, POPT_ARG_NONE, &self_connect, 0, "enable self connect", "boolean" },
+		{ "daemon", 0, POPT_ARG_NONE, &daemon_mode, 0, "spawn a ctdb daemon", "boolean" },
+		{ "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
+		{ "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
+		{ "num-msgs", 'n', POPT_ARG_INT, &num_msgs, 0, "num_msgs", "integer" },
+		{ "num-clients", 0, POPT_ARG_INT, &num_clients, 0, "num_clients", "integer" },
+		POPT_TABLEEND
+	};
+	int opt;
+	const char **extra_argv;
+	int extra_argc = 0;
+	int ret, i, j;
+	poptContext pc;
+	struct event_context *ev;
+	pid_t pid;
+	int srvid;
+	TDB_DATA data;
+
+	pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
+
+	while ((opt = poptGetNextOpt(pc)) != -1) {
+		switch (opt) {
+		default:
+			fprintf(stderr, "Invalid option %s: %s\n", 
+				poptBadOption(pc, 0), poptStrerror(opt));
+			exit(1);
+		}
+	}
+
+	/* setup the remaining options for the main program to use */
+	extra_argv = poptGetArgs(pc);
+	if (extra_argv) {
+		extra_argv++;
+		while (extra_argv[extra_argc]) extra_argc++;
+	}
+
+	if (nlist == NULL || myaddress == NULL) {
+		printf("You must provide a node list with --nlist and an address with --listen\n");
+		exit(1);
+	}
+
+	ev = event_context_init(NULL);
+
+	/* initialise ctdb */
+	ctdb = ctdb_init(ev);
+	if (ctdb == NULL) {
+		printf("Failed to init ctdb\n");
+		exit(1);
+	}
+
+	if (self_connect) {
+		ctdb_set_flags(ctdb, CTDB_FLAG_SELF_CONNECT);
+	}
+	if (daemon_mode) {
+		ctdb_set_flags(ctdb, CTDB_FLAG_DAEMON_MODE);
+	}
+
+	ret = ctdb_set_transport(ctdb, transport);
+	if (ret == -1) {
+		printf("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb));
+		exit(1);
+	}
+
+	/* tell ctdb what address to listen on */
+	ret = ctdb_set_address(ctdb, myaddress);
+	if (ret == -1) {
+		printf("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb));
+		exit(1);
+	}
+
+	/* tell ctdb what nodes are available */
+	ret = ctdb_set_nlist(ctdb, nlist);
+	if (ret == -1) {
+		printf("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb));
+		exit(1);
+	}
+
+	/* attach to a specific database */
+	ctdb_db = ctdb_attach(ctdb, "test.tdb", TDB_DEFAULT, O_RDWR|O_CREAT|O_TRUNC, 0666);
+	if (!ctdb_db) {
+		printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
+		exit(1);
+	}
+
+	/* start the protocol running */
+	ret = ctdb_start(ctdb);
+
+	srvid = -1;
+	for (i=0;i<num_clients-1;i++) {
+		pid=fork();
+		if (pid) {
+			srvid = i;
+			break;
+		}
+	}
+	if (srvid == -1) {
+		srvid = num_clients-1;
+	}
+
+	ctdb_set_message_handler(ctdb, srvid, message_handler, NULL);
+
+	/* wait until all nodes are connected (should not be needed
+	   outside of test code) */
+	ctdb_connect_wait(ctdb);
+
+	sleep(3);
+
+	printf("sending message from vnn:%d to vnn:%d/srvid:%d\n",ctdb_get_vnn(ctdb),ctdb_get_vnn(ctdb), 1-srvid);
+	for (i=0;i<ctdb_get_num_nodes(ctdb);i++) {
+		for (j=0;j<num_clients;j++) {
+			printf("sending message to %d:%d\n", i, j);
+			sprintf(buf,"Message from %d to vnn:%d srvid:%d",ctdb_get_vnn(ctdb),i,j);
+			data.dptr=buf;
+			data.dsize=strlen(buf)+1;
+			ctdb_send_message(ctdb, i, j, data);
+		}
+	}
+
+	while (1) {
+		event_loop_once(ev);
+	}
+       
+	/* shut it down */
+	talloc_free(ctdb);
+	return 0;
+}