/**
* This test performs the following:<br>
* 1)create server<br>
* 2)initialize proxy object and create region for client<br>
* 3)perform a PUT on client by acquiring Connection through proxy<br>
* 4)stop server monitor threads in client to ensure that server treats this as dead client <br>
* 5)wait for some time to allow server to clean up the dead client artifacts<br>
* 6)again perform a PUT on client through same Connection and verify after the put that the
* Connection object used was new one.
*/
@Test
public void testDeadClientRemovalByServer() throws Exception {
PORT = createServer();
createProxyAndRegionForClient();
// String connection2String = null;
StatisticsType st = this.system.findType("CacheServerStats");
final Statistics s = this.system.findStatisticsByType(st)[0];
assertEquals(0, s.getInt("currentClients"));
assertEquals(0, s.getInt("currentClientConnections"));
this.system
.getLogWriter()
.info(
"beforeAcquireConnection clients="
+ s.getInt("currentClients")
+ " cnxs="
+ s.getInt("currentClientConnections"));
Connection connection1 = proxy.acquireConnection();
this.system
.getLogWriter()
.info(
"afterAcquireConnection clients="
+ s.getInt("currentClients")
+ " cnxs="
+ s.getInt("currentClientConnections"));
this.system.getLogWriter().info("acquired connection " + connection1);
WaitCriterion ev =
new WaitCriterion() {
public boolean done() {
return s.getInt("currentClients") != 0;
}
public String description() {
return null;
}
};
Wait.waitForCriterion(ev, 20 * 1000, 200, true);
assertEquals(1, s.getInt("currentClients"));
assertEquals(1, s.getInt("currentClientConnections"));
// String connection1String = connection1.toString();
ServerRegionProxy srp = new ServerRegionProxy("region1", proxy);
srp.putOnForTestsOnly(connection1, "key-1", "value-1", new EventID(new byte[] {1}, 1, 1), null);
this.system.getLogWriter().info("did put 1");
// proxy.testfinalizeServerConnectionMonitor();
ev =
new WaitCriterion() {
public boolean done() {
return s.getInt("currentClients") == 0;
}
public String description() {
return null;
}
};
Wait.waitForCriterion(ev, TIME_BETWEEN_PINGS * 5, 200, true);
{
this.system
.getLogWriter()
.info(
"currentClients="
+ s.getInt("currentClients")
+ " currentClientConnections="
+ s.getInt("currentClientConnections"));
assertEquals(0, s.getInt("currentClients"));
assertEquals(0, s.getInt("currentClientConnections"));
}
addExceptions();
// the connection should now fail since the server timed it out
try {
srp.putOnForTestsOnly(connection1, "key-1", "fail", new EventID(new byte[] {1}, 1, 2), null);
fail("expected EOF");
} catch (ServerConnectivityException expected) {
}
// The rest of this test no longer works.
// connection1.finalizeConnection();
// proxy.release();
// connection1 = proxy.acquireConnection();
// connection2String = connection1.toString();
// this.system.getLogWriter().info("connection is now " + connection2String);
// if (connection1String.equals(connection2String)) {
// fail("New connection object was not obtained");
// }
// connection1.putObject("region1", "key-1", "value-2", new EventID(new byte[] {1},1,3),
// null);
// this.system.getLogWriter().info("did put 2");
// assertEquals(1, s.getInt("currentClients"));
// assertEquals(1, s.getInt("currentClientConnections"));
// // now lets see what happens when we close our connection
// // note we use a nasty close which just closes the socket instead
// // of sending a nice message to the server telling him we are going away
// ((ConnectionImpl)connection1).finalizeConnection();
// {
// int retry = (TIME_BETWEEN_PINGS*5) / 100;
// while (s.getInt("currentClients") > 0 && retry-- > 0) {
// Thread.sleep(100);
// }
// this.system.getLogWriter().info("currentClients="
// + s.getInt("currentClients")
// + " currentClientConnections="
// + s.getInt("currentClientConnections"));
// assertEquals(0, s.getInt("currentClients"));
// assertEquals(0, s.getInt("currentClientConnections"));
// }
}
public void addVolumeCheck(long total, long free, long time) {
stats.setLong(volumeSizeId, total);
stats.setLong(volumeFreeSpaceId, free);
stats.incLong(volumeFreeSpaceChecksId, 1);
stats.incLong(volumeFreeSpaceTimeId, time);
}