*
* @throws IOException error during an I/O operation
*/
public SocketState process(NioChannel socket)
throws IOException {
RequestInfo rp = request.getRequestProcessor();
rp.setStage(org.apache.coyote.Constants.STAGE_PARSE);
// Setting up the socket
this.socket = socket;
inputBuffer.setSocket(socket);
outputBuffer.setSocket(socket);
inputBuffer.setSelectorPool(endpoint.getSelectorPool());
outputBuffer.setSelectorPool(endpoint.getSelectorPool());
// Error flag
error = false;
keepAlive = true;
comet = false;
long soTimeout = endpoint.getSoTimeout();
int keepAliveTimeout = endpoint.getKeepAliveTimeout();
boolean keptAlive = false;
boolean openSocket = false;
boolean recycle = true;
final KeyAttachment ka = (KeyAttachment)socket.getAttachment(false);
while (!error && keepAlive && !comet && !isAsync() && !endpoint.isPaused()) {
//always default to our soTimeout
ka.setTimeout(soTimeout);
// Parsing the request header
try {
if( !disableUploadTimeout && keptAlive && soTimeout > 0 ) {
socket.getIOChannel().socket().setSoTimeout((int)soTimeout);
}
if (!inputBuffer.parseRequestLine(keptAlive)) {
// Haven't finished reading the request so keep the socket
// open
openSocket = true;
// Check to see if we have read any of the request line yet
if (inputBuffer.getParsingRequestLinePhase()<2) {
// No data read, OK to recycle the processor
// Continue to use keep alive timeout
if (keepAliveTimeout>0) ka.setTimeout(keepAliveTimeout);
} else {
// Started to read request line. Need to keep processor
// associated with socket
recycle = false;
}
break;
}
keptAlive = true;
if ( !inputBuffer.parseHeaders() ) {
//we've read part of the request, don't recycle it
//instead associate it with the socket
openSocket = true;
recycle = false;
break;
}
request.setStartTime(System.currentTimeMillis());
if (!disableUploadTimeout) { //only for body, not for request headers
socket.getIOChannel().socket().setSoTimeout(
connectionUploadTimeout);
}
} catch (IOException e) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("http11processor.header.parse"), e);
}
error = true;
break;
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
if (log.isDebugEnabled()) {
log.debug(sm.getString("http11processor.header.parse"), t);
}
// 400 - Bad Request
response.setStatus(400);
adapter.log(request, response, 0);
error = true;
}
if (!error) {
// Setting up filters, and parse some request headers
rp.setStage(org.apache.coyote.Constants.STAGE_PREPARE);
try {
prepareRequest();
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
if (log.isDebugEnabled()) {
log.debug(sm.getString("http11processor.request.prepare"), t);
}
// 400 - Internal Server Error
response.setStatus(400);
adapter.log(request, response, 0);
error = true;
}
}
if (maxKeepAliveRequests == 1 )
keepAlive = false;
if (maxKeepAliveRequests > 0 && ka.decrementKeepAlive() <= 0)
keepAlive = false;
// Process the request in the adapter
if (!error) {
try {
rp.setStage(org.apache.coyote.Constants.STAGE_SERVICE);
adapter.service(request, response);
// Handle when the response was committed before a serious
// error occurred. Throwing a ServletException should both
// set the status to 500 and set the errorException.
// If we fail here, then the response is likely already
// committed, so we can't try and set headers.
if(keepAlive && !error) { // Avoid checking twice.
error = response.getErrorException() != null ||
statusDropsConnection(response.getStatus());
}
// Comet support
SelectionKey key = socket.getIOChannel().keyFor(socket.getPoller().getSelector());
if (key != null) {
NioEndpoint.KeyAttachment attach = (NioEndpoint.KeyAttachment) key.attachment();
if (attach != null) {
attach.setComet(comet);
if (comet) {
Integer comettimeout = (Integer) request.getAttribute("org.apache.tomcat.comet.timeout");
if (comettimeout != null) attach.setTimeout(comettimeout.longValue());
}
}
}
} catch (InterruptedIOException e) {
error = true;
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.error(sm.getString("http11processor.request.process"), t);
// 500 - Internal Server Error
response.setStatus(500);
adapter.log(request, response, 0);
error = true;
}
}
// Finish the handling of the request
if (!comet && !isAsync()) {
// If we know we are closing the connection, don't drain input.
// This way uploading a 100GB file doesn't tie up the thread
// if the servlet has rejected it.
if(error)
inputBuffer.setSwallowInput(false);
endRequest();
}
// If there was an error, make sure the request is counted as
// and error, and update the statistics counter
if (error) {
response.setStatus(500);
}
request.updateCounters();
if (!comet && !isAsync()) {
// Next request
inputBuffer.nextRequest();
outputBuffer.nextRequest();
}
// Do sendfile as needed: add socket to sendfile and end
if (sendfileData != null && !error) {
ka.setSendfileData(sendfileData);
sendfileData.keepAlive = keepAlive;
SelectionKey key = socket.getIOChannel().keyFor(socket.getPoller().getSelector());
//do the first write on this thread, might as well
openSocket = socket.getPoller().processSendfile(key,ka,true,true);
break;
}
rp.setStage(org.apache.coyote.Constants.STAGE_KEEPALIVE);
}//while
rp.setStage(org.apache.coyote.Constants.STAGE_ENDED);
if (error || endpoint.isPaused()) {
recycle();
return SocketState.CLOSED;
} else if (comet || isAsync()) {
return SocketState.LONG;