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/*
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;
}
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