/** 私有的构造方法 */
private HttpProtocolHandler() {
// 创建一个线程安全的HTTP连接池
connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.getParams().setDefaultMaxConnectionsPerHost(defaultMaxConnPerHost);
connectionManager.getParams().setMaxTotalConnections(defaultMaxTotalConn);
IdleConnectionTimeoutThread ict = new IdleConnectionTimeoutThread();
ict.addConnectionManager(connectionManager);
ict.setConnectionTimeout(defaultIdleConnTimeout);
ict.start();
}
private void initHttpConnectionManager() throws ServletException {
httpConnectionManager = new MultiThreadedHttpConnectionManager();
// settings may be overridden from ode-axis2.properties using the same properties as HttpClient
// /!\ If the size of the conn pool is smaller than the size of the thread pool, the thread pool
// might get starved.
int max_per_host =
Integer.parseInt(
_odeConfig.getProperty(
HttpConnectionManagerParams.MAX_HOST_CONNECTIONS,
"" + _odeConfig.getPoolMaxSize()));
int max_total =
Integer.parseInt(
_odeConfig.getProperty(
HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS,
"" + _odeConfig.getPoolMaxSize()));
if (__log.isDebugEnabled()) {
__log.debug(HttpConnectionManagerParams.MAX_HOST_CONNECTIONS + "=" + max_per_host);
__log.debug(HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS + "=" + max_total);
}
if (max_per_host < 1 || max_total < 1) {
String errmsg =
HttpConnectionManagerParams.MAX_HOST_CONNECTIONS
+ " and "
+ HttpConnectionManagerParams.MAX_TOTAL_CONNECTIONS
+ " must be positive integers!";
__log.error(errmsg);
throw new ServletException(errmsg);
}
httpConnectionManager.getParams().setDefaultMaxConnectionsPerHost(max_per_host);
httpConnectionManager.getParams().setMaxTotalConnections(max_total);
// Register the connection manager to a idle check thread
idleConnectionTimeoutThread = new IdleConnectionTimeoutThread();
idleConnectionTimeoutThread.setName("Http_Idle_Connection_Timeout_Thread");
long idleConnectionTimeout =
Long.parseLong(_odeConfig.getProperty("http.idle.connection.timeout", "30000"));
long idleConnectionCheckInterval =
Long.parseLong(_odeConfig.getProperty("http.idle.connection.check.interval", "30000"));
if (__log.isDebugEnabled()) {
__log.debug("http.idle.connection.timeout=" + idleConnectionTimeout);
__log.debug("http.idle.connection.check.interval=" + idleConnectionCheckInterval);
}
idleConnectionTimeoutThread.setConnectionTimeout(idleConnectionTimeout);
idleConnectionTimeoutThread.setTimeoutInterval(idleConnectionCheckInterval);
idleConnectionTimeoutThread.addConnectionManager(httpConnectionManager);
idleConnectionTimeoutThread.start();
}
/**
* Shutdown the service engine. This performs cleanup before the BPE is terminated. Once this
* method has been called, init() must be called before the transformation engine can be started
* again with a call to start().
*
* @throws AxisFault if the engine is unable to shut down.
*/
public void shutDown() throws AxisFault {
ClassLoader old = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
try {
if (_poller != null)
try {
__log.debug("shutting down poller");
_poller.stop();
_poller = null;
} catch (Throwable t) {
__log.debug("Error stopping poller.", t);
}
if (_bpelServer != null)
try {
__log.debug("shutting down ODE server.");
_bpelServer.shutdown();
_bpelServer = null;
} catch (Throwable ex) {
__log.debug("Error stopping services.", ex);
}
if (_cronScheduler != null) {
try {
__log.debug("shutting down cron scheduler.");
_cronScheduler.shutdown();
_cronScheduler = null;
} catch (Exception ex) {
__log.debug("Cron scheduler couldn't be shutdown.", ex);
}
}
if (_scheduler != null)
try {
__log.debug("shutting down scheduler.");
_scheduler.shutdown();
_scheduler = null;
} catch (Exception ex) {
__log.debug("Scheduler couldn't be shutdown.", ex);
}
if (_store != null)
try {
_store.shutdown();
_store = null;
} catch (Throwable t) {
__log.debug("Store could not be shutdown.", t);
}
if (_daoCF != null)
try {
_daoCF.shutdown();
} catch (Throwable ex) {
__log.debug("DOA shutdown failed.", ex);
} finally {
_daoCF = null;
}
if (_db != null)
try {
_db.shutdown();
} catch (Throwable ex) {
__log.debug("DB shutdown failed.", ex);
} finally {
_db = null;
}
if (_txMgr != null) {
__log.debug("shutting down transaction manager.");
_txMgr = null;
}
if (_connector != null) {
try {
__log.debug("shutdown BpelConnector");
_connector.shutdown();
_connector = null;
} catch (Throwable t) {
__log.error("Unable to cleanup temp files.", t);
}
}
if (httpConnectionManager != null) {
__log.debug("shutting down HTTP connection manager.");
try {
httpConnectionManager.shutdown();
httpConnectionManager = null;
} catch (Throwable t) {
__log.error("Unable to shut down HTTP connection manager.", t);
}
}
if (idleConnectionTimeoutThread != null) {
__log.debug("shutting down Idle Connection Timeout Thread.");
try {
idleConnectionTimeoutThread.shutdown();
idleConnectionTimeoutThread = null;
} catch (Throwable t) {
__log.error("Unable to shut down Idle Connection Timeout Thread.", t);
}
}
try {
__log.debug("cleaning up temporary files.");
TempFileManager.cleanup();
} catch (Throwable t) {
__log.error("Unable to cleanup temp files.", t);
}
if (_executorService != null) {
_executorService.shutdownNow();
_executorService = null;
}
__log.info(__msgs.msgOdeShutdownCompleted());
} finally {
Thread.currentThread().setContextClassLoader(old);
}
}