/*
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.junit;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.junit.remote.BrowserManager;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* Runs remotely in web mode. This feature is experimental and is not officially
* supported.
*/
class RunStyleRemoteWeb extends RunStyle {
private static final int INITIAL_KEEPALIVE_MS = 5000;
private static final int PING_KEEPALIVE_MS = 2000;
// Larger values when debugging the unit test framework, so you
// don't get spurious timeouts.
// private static final int INITIAL_KEEPALIVE_MS = 500000;
// private static final int PING_KEEPALIVE_MS = 200000;
/**
* Remote browser managers.
*/
private final BrowserManager[] browserManagers;
/**
* References to the remote browser processes.
*/
private int[] remoteTokens;
/**
* The containing shell.
*/
private final JUnitShell shell;
private boolean running = false;
/**
* @param shell the containing shell
*/
public RunStyleRemoteWeb(JUnitShell shell, BrowserManager[] browserManagers) {
this.shell = shell;
this.browserManagers = browserManagers;
this.remoteTokens = new int[ browserManagers.length ];
}
public void maybeLaunchModule(String moduleName, boolean forceLaunch)
throws UnableToCompleteException {
if (forceLaunch || !running) {
shell.compileForWebMode(moduleName);
String localhost;
try {
localhost = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
throw new RuntimeException("Unable to determine my ip address", e);
}
String url = "http://" + localhost + ":" + shell.getPort() + "/"
+ moduleName;
try {
for ( int i = 0; i < remoteTokens.length; ++i ) {
int remoteToken = remoteTokens[ i ];
BrowserManager mgr = browserManagers[ i ];
if ( remoteToken != 0 ) {
mgr.killBrowser(remoteToken);
}
remoteTokens[ i ] = mgr.launchNewBrowser(url, INITIAL_KEEPALIVE_MS);
}
} catch (Exception e) {
shell.getTopLogger().log(TreeLogger.ERROR,
"Error launching remote browser", e);
throw new UnableToCompleteException();
}
running = true;
}
}
public boolean wasInterrupted() {
for ( int i = 0; i < remoteTokens.length; ++i ) {
int remoteToken = remoteTokens[ i ];
BrowserManager mgr = browserManagers[ i ];
if (remoteToken > 0) {
try {
mgr.keepAlive(remoteToken, PING_KEEPALIVE_MS);
} catch (Exception e) {
// TODO(tobyr): We're failing on the first exception, rather than
// collecting them, but that's probably OK for now.
shell.getTopLogger().log(TreeLogger.WARN,
"Unexpected exception keeping remote browser alive", e);
return true;
}
}
}
return false;
}
}