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/*
* Copyright (c) 2010-2012 Postgres-XC Development Group
*/
#include <sys/types.h>
#include <unistd.h>
#include "gtm/gtm_c.h"
#include "gtm/libpq-fe.h"
#include "gtm/gtm_client.h"
#define client_log(x) printf x
int
main(int argc, char *argv[])
{
int ii;
GlobalTransactionId gxid[4000];
GTM_Conn *conn;
char connect_string[100];
for (ii = 0; ii < 3; ii++)
fork();
sprintf(connect_string, "host=localhost port=6666 node_name=one remote_type=%d", GTM_NODE_COORDINATOR);
conn = PQconnectGTM(connect_string);
if (conn == NULL)
{
client_log(("Error in connection\n"));
exit(1);
}
for (ii = 0; ii < 20; ii++)
{
gxid[ii] = begin_transaction(conn, GTM_ISOLATION_RC);
if (gxid[ii] != InvalidGlobalTransactionId)
client_log(("Started a new transaction (GXID:%u)\n", gxid[ii]));
else
client_log(("BEGIN transaction failed for ii=%d\n", ii));
}
for (ii = 0; ii < 5; ii++)
{
int jj;
GTM_Snapshot snapshot = get_snapshot(conn, gxid[ii], true);
if (snapshot != NULL)
{
client_log(("Snapshot: GXID %u, xmin=%u, xmax=%u\n", gxid[ii],
snapshot->sn_xmin, snapshot->sn_xmax));
client_log(("xcnt=%d %s", snapshot->sn_xcnt,
snapshot->sn_xcnt > 0 ? "xip=(" : ""));
for (jj = 0; jj < snapshot->sn_xcnt; jj++)
client_log(("%d%c ", snapshot->sn_xip[jj],
((jj + 1) == snapshot->sn_xcnt) ? ')' : ','));
client_log(("\n"));
}
}
for (ii = 0; ii < 20; ii++)
{
if (!prepare_transaction(conn, gxid[ii]))
client_log(("PREPARE successful (GXID:%u)\n", gxid[ii]));
else
client_log(("PREPARE failed (GXID:%u)\n", gxid[ii]));
}
for (ii = 0; ii < 20; ii++)
{
if (ii % 2 == 0)
{
if (!abort_transaction(conn, gxid[ii]))
client_log(("ROLLBACK successful (GXID:%u)\n", gxid[ii]));
else
client_log(("ROLLBACK failed (GXID:%u)\n", gxid[ii]));
}
else
{
if (!commit_transaction(conn, gxid[ii]))
client_log(("COMMIT successful (GXID:%u)\n", gxid[ii]));
else
client_log(("COMMIT failed (GXID:%u)\n", gxid[ii]));
}
}
GTMPQfinish(conn);
return 0;
}
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