/**
* Copyright (C) 2012 skymobi LTD
*
* Licensed under GNU GENERAL PUBLIC LICENSE Version 3 (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.gnu.org/licenses/gpl-3.0.html
*
* 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.skymobi.monitor.action;
import com.mongodb.DBCursor;
import com.skymobi.monitor.model.Log;
import com.skymobi.monitor.model.LogQuery;
import com.skymobi.monitor.model.Project;
import com.skymobi.monitor.service.LogsService;
import com.skymobi.monitor.service.ProjectService;
import com.skymobi.monitor.service.TaskService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.mongodb.core.convert.MongoConverter;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.ParseException;
import java.util.concurrent.*;
/**
* @author Hill.Hu, Steven.Zheng
*/
@Controller
public class LogsAction {
private static Logger logger = LoggerFactory.getLogger(LogsAction.class);
private Executor executor = Executors.newFixedThreadPool(10);
@Value("${flashdog.mongWaitSeconds}")
private int mongWaitSeconds;
@Resource
private ProjectService projectService;
@Resource
private TaskService taskService;
@Resource
private LogsService logsService;
@RequestMapping(value = "/projects/{projectName}/logs", method = RequestMethod.GET)
public String test(ModelMap map, @PathVariable String projectName) {
Project project = projectService.findProject(projectName);
map.put("project", project);
return "logs/show";
}
@RequestMapping(value = "/projects/{projectName}/logs/download", method = RequestMethod.GET)
public void download(final HttpServletResponse response, ModelMap map, @PathVariable String projectName, LogQuery logQuery) throws IOException, ParseException {
Project project = projectService.findProject(projectName);
final MongoConverter converter = project.fetchMongoTemplate().getConverter();
final DBCursor cursor = logsService.findLogs(projectName, logQuery, 100000);
response.setContentType("file/txt;charset=utf-8");
response.addHeader("content-disposition", String.format("attachment; filename=%s.txt", java.net.URLEncoder.encode("logs", "UTF-8")));
response.setStatus(HttpServletResponse.SC_OK);
while (cursor.hasNext()) {
Log log = converter.read(Log.class, cursor.next());
response.getWriter().println(log.toString());
}
}
@RequestMapping(value = "/projects/{projectName}/logs/more", method = RequestMethod.GET)
public void console(final HttpServletResponse response, ModelMap map, @PathVariable String projectName, LogQuery logQuery) throws IOException, ParseException {
Project project = projectService.findProject(projectName);
map.put("project", project);
final MongoConverter converter = project.fetchMongoTemplate().getConverter();
final DBCursor cursor = logsService.findLogs(projectName, logQuery);
final StringBuffer buf = new StringBuffer();
@SuppressWarnings("unchecked")
FutureTask<String> task = new FutureTask(new Callable<String>() {
@Override
public String call() throws Exception {
long startTime = System.currentTimeMillis();
//遍历游标,最长不能超过20秒
logger.debug("游标遍历结果:");
while (cursor.hasNext()) {
Log log = converter.read(Log.class, cursor.next());
buf.insert(0, log.toString() + "\n");
long current = System.currentTimeMillis();
if ((current - startTime) / 1000 >= mongWaitSeconds) break;
}
return buf.toString();
}
});
executor.execute(task);
try {
task.get(mongWaitSeconds + 5, TimeUnit.SECONDS);
cursor.close();
} catch (Exception e) {
logger.error("查询超时 ", e);
task.cancel(true);
}
response.setContentType("text/html;charset=UTF-8");
response.getWriter().write(buf.toString());
response.getWriter().flush();
}
}