/*
* Copyright 2010 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.jstestdriver.server.handlers;
import com.google.inject.Inject;
import com.google.inject.servlet.RequestParameters;
import com.google.jstestdriver.CapturedBrowsers;
import com.google.jstestdriver.SlaveBrowser;
import com.google.jstestdriver.annotations.ResponseWriter;
import com.google.jstestdriver.requesthandlers.RequestHandler;
import org.mortbay.jetty.MimeTypes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
/**
* Used by the browser to report if it is still alive.
*
* @author rdionne@google.com (Robert Dionne)
*/
class HeartbeatPostHandler implements RequestHandler {
private static final Logger logger = LoggerFactory.getLogger(
HeartbeatPostHandler.class);
private final CapturedBrowsers capturedBrowsers;
private final Map<String, String[]> parameters;
private final PrintWriter writer;
private final HttpServletResponse response;
@Inject
public HeartbeatPostHandler(
CapturedBrowsers capturedBrowsers,
@RequestParameters Map<String, String[]> parameters,
@ResponseWriter PrintWriter writer,
HttpServletResponse response) {
this.capturedBrowsers = capturedBrowsers;
this.parameters = parameters;
this.writer = writer;
this.response = response;
}
public void handleIt() throws IOException {
response.setContentType(MimeTypes.TEXT_PLAIN_UTF_8);
String[] ids = parameters.get("id");
if (ids != null && ids[0] != null) {
String id = ids[0];
SlaveBrowser browser = capturedBrowsers.getBrowser(id);
if (browser != null) {
browser.heartBeat();
logger.trace("browser heartbeat {}", browser);
if (browser.getCommandRunning() == null) {
writer.write("Waiting...");
} else {
writer.write("Running: " + browser.getCommandRunning());
}
} else {
writer.write("UNKNOWN");
}
writer.flush();
}
}
}