/**
* Remove unwanted headers from the given header map.
*
* @param headers Header map
* @param nHttpConfiguration NHttp transporter base configurations
*/
private void removeUnwantedHeadersFromHeaderMap(
Map headers, NHttpConfiguration nHttpConfiguration) {
Iterator iter = headers.keySet().iterator();
while (iter.hasNext()) {
String headerName = (String) iter.next();
if (HTTP.CONN_DIRECTIVE.equalsIgnoreCase(headerName)
|| HTTP.TRANSFER_ENCODING.equalsIgnoreCase(headerName)
|| HTTP.CONTENT_TYPE.equalsIgnoreCase(headerName)
|| HTTP.CONTENT_LEN.equalsIgnoreCase(headerName)) {
iter.remove();
}
if (HTTP.SERVER_HEADER.equalsIgnoreCase(headerName)
&& !nHttpConfiguration.isPreserveHttpHeader(HTTP.SERVER_HEADER)) {
iter.remove();
}
if (HTTP.USER_AGENT.equalsIgnoreCase(headerName)
&& !nHttpConfiguration.isPreserveHttpHeader(HTTP.USER_AGENT)) {
iter.remove();
}
if (HTTP.DATE_HEADER.equalsIgnoreCase(headerName)
&& !nHttpConfiguration.isPreserveHttpHeader(HTTP.DATE_HEADER)) {
iter.remove();
}
}
}
/**
* Initialize the transport sender, and execute reactor in new separate thread
*
* @param cfgCtx the Axis2 configuration context
* @param transportOut the description of the http/s transport from Axis2 configuration
* @throws AxisFault thrown on an error
*/
public void init(ConfigurationContext cfgCtx, TransportOutDescription transportOut)
throws AxisFault {
this.configurationContext = cfgCtx;
cfg = NHttpConfiguration.getInstance();
params = new BasicHttpParams();
params
.setIntParameter(
CoreConnectionPNames.SO_TIMEOUT,
cfg.getProperty(NhttpConstants.SO_TIMEOUT_SENDER, 60000))
.setIntParameter(
CoreConnectionPNames.CONNECTION_TIMEOUT,
cfg.getProperty(CoreConnectionPNames.CONNECTION_TIMEOUT, 10000))
.setIntParameter(
CoreConnectionPNames.SOCKET_BUFFER_SIZE,
cfg.getProperty(CoreConnectionPNames.SOCKET_BUFFER_SIZE, 8 * 1024))
.setParameter(CoreProtocolPNames.USER_AGENT, "Synapse-HttpComponents-NIO");
// .setParameter(CoreProtocolPNames.HTTP_ELEMENT_CHARSET,
//
// cfg.getStringValue(CoreProtocolPNames.HTTP_ELEMENT_CHARSET,HTTP.DEFAULT_PROTOCOL_CHARSET));
// //TODO:This does not works with HTTPCore 4.3
name = transportOut.getName().toUpperCase(Locale.US) + " Sender";
ClientConnFactoryBuilder contextBuilder = initConnFactoryBuilder(transportOut);
connFactory = contextBuilder.createConnFactory(params);
connpool = new ConnectionPool();
proxyConfig = new ProxyConfigBuilder().build(transportOut);
log.info(proxyConfig.logProxyConfig());
Parameter param = transportOut.getParameter("warnOnHTTP500");
if (param != null) {
String[] warnOnHttp500 = ((String) param.getValue()).split("\\|");
cfgCtx.setNonReplicableProperty("warnOnHTTP500", warnOnHttp500);
}
IOReactorConfig ioReactorConfig = new IOReactorConfig();
ioReactorConfig.setIoThreadCount(NHttpConfiguration.getInstance().getClientIOWorkers());
ioReactorConfig.setSoTimeout(cfg.getProperty(NhttpConstants.SO_TIMEOUT_RECEIVER, 60000));
ioReactorConfig.setConnectTimeout(
cfg.getProperty(CoreConnectionPNames.CONNECTION_TIMEOUT, 10000));
ioReactorConfig.setTcpNoDelay(cfg.getProperty(CoreConnectionPNames.TCP_NODELAY, 1) == 1);
if (cfg.getBooleanValue("http.nio.interest-ops-queueing", false)) {
ioReactorConfig.setInterestOpQueued(true);
}
try {
String prefix = name + " I/O dispatcher";
ioReactor =
new DefaultConnectingIOReactor(
ioReactorConfig,
new NativeThreadFactory(new ThreadGroup(prefix + " thread group"), prefix));
ioReactor.setExceptionHandler(
new IOReactorExceptionHandler() {
public boolean handle(IOException ioException) {
log.warn(
"System may be unstable: IOReactor encountered a checked exception : "
+ ioException.getMessage(),
ioException);
return true;
}
public boolean handle(RuntimeException runtimeException) {
log.warn(
"System may be unstable: IOReactor encountered a runtime exception : "
+ runtimeException.getMessage(),
runtimeException);
return true;
}
});
} catch (IOException e) {
log.error("Error starting the IOReactor", e);
throw new AxisFault(e.getMessage(), e);
}
metrics = new NhttpMetricsCollector(false, transportOut.getName());
handler = new ClientHandler(connpool, connFactory, proxyConfig, cfgCtx, params, metrics);
iodispatch = new ClientIODispatch(handler, connFactory);
final IOEventDispatch ioEventDispatch = iodispatch;
// start the Sender in a new seperate thread
Thread t =
new Thread(
new Runnable() {
public void run() {
try {
ioReactor.execute(ioEventDispatch);
} catch (InterruptedIOException ex) {
log.fatal("Reactor Interrupted");
} catch (IOException e) {
log.fatal("Encountered an I/O error: " + e.getMessage(), e);
}
log.info(name + " Shutdown");
}
},
"HttpCoreNIOSender");
t.start();
log.info(name + " starting");
// register with JMX
mbeanSupport = new TransportMBeanSupport(this, "nio-" + transportOut.getName());
mbeanSupport.register();
state = BaseConstants.STARTED;
}
/** Process the incoming request */
@SuppressWarnings({"unchecked"})
public void run() {
String method = request.getRequestLine().getMethod().toUpperCase();
msgContext.setProperty(
Constants.Configuration.HTTP_METHOD, request.getRequestLine().getMethod());
if (NHttpConfiguration.getInstance().isHttpMethodDisabled(method)) {
handleException("Unsupported method : " + method, null);
}
// String uri = request.getRequestLine().getUri();
String oriUri = request.getRequestLine().getUri();
String restUrlPostfix = NhttpUtil.getRestUrlPostfix(oriUri, cfgCtx.getServicePath());
msgContext.setProperty(NhttpConstants.REST_URL_POSTFIX, restUrlPostfix);
String servicePrefix = oriUri.substring(0, oriUri.indexOf(restUrlPostfix));
if (servicePrefix.indexOf("://") == -1) {
HttpInetConnection inetConn = (HttpInetConnection) conn;
InetAddress localAddr = inetConn.getLocalAddress();
if (localAddr != null) {
servicePrefix =
schemeName
+ "://"
+ localAddr.getHostName()
+ ":"
+ inetConn.getLocalPort()
+ servicePrefix;
}
if (inetConn.getLocalPort() > 0) {
msgContext.setProperty(NhttpConstants.SERVER_PORT, inetConn.getLocalPort());
}
}
msgContext.setProperty(NhttpConstants.SERVICE_PREFIX, servicePrefix);
if ("GET".equals(method)) {
httpGetRequestProcessor.process(request, response, msgContext, conn, os, isRestDispatching);
} else if ("POST".equals(method)) {
processEntityEnclosingMethod();
} else if ("PUT".equals(method)) {
processEntityEnclosingMethod();
} else if ("HEAD".equals(method)) {
processNonEntityEnclosingMethod();
} else if ("OPTIONS".equals(method)) {
processNonEntityEnclosingMethod();
} else if ("DELETE".equals(method)) {
processGetAndDelete("DELETE");
} else if ("TRACE".equals(method)) {
processNonEntityEnclosingMethod();
} else {
handleException("Unsupported method : " + method, null);
}
// here the RequestResponseTransport plays an important role when it comes to
// dual channel invocation. This is becasue we need to ACK to the request once the request
// is received to synapse. Otherwise we will not be able to support the single channel
// invocation within the actual service and synapse for a dual channel request from the
// client.
if (isAckRequired()) {
String respWritten = "";
if (msgContext.getOperationContext() != null) {
respWritten =
(String) msgContext.getOperationContext().getProperty(Constants.RESPONSE_WRITTEN);
}
boolean respWillFollow =
!Constants.VALUE_TRUE.equals(respWritten) && !"SKIP".equals(respWritten);
boolean acked =
(((RequestResponseTransport)
msgContext.getProperty(RequestResponseTransport.TRANSPORT_CONTROL))
.getStatus()
== RequestResponseTransport.RequestResponseTransportStatus.ACKED);
boolean forced = msgContext.isPropertyTrue(NhttpConstants.FORCE_SC_ACCEPTED);
boolean nioAck = msgContext.isPropertyTrue("NIO-ACK-Requested", false);
if (respWillFollow || acked || forced || nioAck) {
if (!nioAck) {
if (log.isDebugEnabled()) {
log.debug(
"Sending 202 Accepted response for MessageID : "
+ msgContext.getMessageID()
+ " response written : "
+ respWritten
+ " response will follow : "
+ respWillFollow
+ " acked : "
+ acked
+ " forced ack : "
+ forced);
}
response.setStatusCode(HttpStatus.SC_ACCEPTED);
} else {
if (log.isDebugEnabled()) {
log.debug(
"Sending ACK response with status "
+ msgContext.getProperty(NhttpConstants.HTTP_SC)
+ ", for MessageID : "
+ msgContext.getMessageID());
}
response.setStatusCode(
Integer.parseInt(msgContext.getProperty(NhttpConstants.HTTP_SC).toString()));
Map<String, String> responseHeaders =
(Map<String, String>) msgContext.getProperty(MessageContext.TRANSPORT_HEADERS);
if (responseHeaders != null) {
for (String headerName : responseHeaders.keySet()) {
response.addHeader(headerName, responseHeaders.get(headerName));
String excessProp = NhttpConstants.EXCESS_TRANSPORT_HEADERS;
Map map = (Map) msgContext.getProperty(excessProp);
if (map != null) {
log.debug(
"Number of excess values for "
+ headerName
+ " header is : "
+ ((Collection) (map.get(headerName))).size());
for (Iterator iterator = map.keySet().iterator(); iterator.hasNext(); ) {
String key = (String) iterator.next();
for (String excessVal : (Collection<String>) map.get(key)) {
response.addHeader(headerName, (String) excessVal);
}
}
}
}
}
}
if (metrics != null) {
metrics.incrementMessagesSent();
}
try {
/*
* Remove Content-Length and Transfer-Encoding headers, if already present.
* */
response.removeHeaders(HTTP.TRANSFER_ENCODING);
response.removeHeaders(HTTP.CONTENT_LEN);
serverHandler.commitResponse(conn, response);
} catch (HttpException e) {
if (metrics != null) {
metrics.incrementFaultsSending();
}
handleException("Unexpected HTTP protocol error : " + e.getMessage(), e);
} catch (ConnectionClosedException e) {
if (metrics != null) {
metrics.incrementFaultsSending();
}
log.warn("Connection closed by client (Connection closed)");
} catch (IllegalStateException e) {
if (metrics != null) {
metrics.incrementFaultsSending();
}
log.warn("Connection closed by client (Buffer closed)");
} catch (IOException e) {
if (metrics != null) {
metrics.incrementFaultsSending();
}
handleException("IO Error sending response message", e);
} catch (Exception e) {
if (metrics != null) {
metrics.incrementFaultsSending();
}
handleException("General Error sending response message", e);
}
if (is != null) {
try {
is.close();
} catch (IOException ignore) {
}
}
// make sure that the output stream is flushed and closed properly
try {
os.flush();
os.close();
} catch (IOException ignore) {
}
}
}
}
