Package org.eclipse.jetty.server

Class HttpChannelOverHttp

java.lang.Object

org.eclipse.jetty.server.HttpChannel

org.eclipse.jetty.server.HttpChannelOverHttp

All Implemented Interfaces:

Runnable, ComplianceViolation.Listener, HttpParser.HttpHandler, HttpParser.RequestHandler, HttpOutput.Interceptor

public class HttpChannelOverHttp
extends HttpChannel
implements HttpParser.RequestHandler, ComplianceViolation.Listener

An HttpChannel customized to be transported over the HTTP/1 protocol

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.jetty.server.HttpChannel

HttpChannel.Listener, HttpChannel.TransientListeners

Field Summary

Fields inherited from class org.eclipse.jetty.server.HttpChannel

NOOP_LISTENER

Constructor Summary

Constructors

Constructor	Description
HttpChannelOverHttp(HttpConnection httpConnection, Connector connector, HttpConfiguration config, EndPoint endPoint, HttpTransport transport)

Method Summary

Modifier and Type	Method	Description
void	abort(Throwable failure)	If a write or similar operation to this channel fails, then this method should be called.
void	badMessage(BadMessageException failure)	Called to signal that a bad HTTP message has been received.
protected boolean	checkAndPrepareUpgrade()	Checks whether the processing of the request resulted in an upgrade, and if so performs upgrade preparation steps before the upgrade response is sent back to the client.
boolean	content(ByteBuffer buffer)
boolean	contentComplete()
void	continue100(int available)	If the associated response has the Expect header set to 100 Continue, then accessing the input stream indicates that the handler/servlet is ready for the request body and thus a 100 Continue response is sent.
void	earlyEOF()	Called to signal that an EOF was received unexpectedly during the parsing of an HTTP message
protected boolean	eof()	Mark the channel's input as EOF.
boolean	failAllContent(Throwable failure)	Fail all content that is currently stored within the channel.
boolean	failed(Throwable x)	Fail the channel's input.
EndPoint	getTunnellingEndPoint()
protected void	handleException(Throwable x)	Sends an error 500, performing a special logic to detect whether the request is suspended, to avoid concurrent writes from the application.
boolean	headerComplete()
boolean	isExpecting100Continue()
boolean	isExpecting102Processing()
boolean	isTunnellingSupported()
boolean	isUseOutputDirectByteBuffers()
boolean	messageComplete()
boolean	needContent()	Notify the channel that content is needed.
void	onComplianceViolation(ComplianceViolation.Mode mode, ComplianceViolation violation, String details)
void	parsedHeader(HttpField field)	This is the method called by parser when an HTTP Header name and value is found
void	parsedTrailer(HttpField field)	This is the method called by parser when an HTTP Trailer name and value is found
HttpInput.Content	produceContent()	Produce a HttpInput.Content object with data currently stored within the channel.
void	recycle()
void	servletUpgrade()
void	startRequest(String method, String uri, HttpVersion version)	This is the method called by parser when the HTTP request line is parsed

Methods inherited from class org.eclipse.jetty.server.HttpChannel

addListener, addRequestLog, commit, ensureConsumeAllOrNotPersistent, execute, formatAddrOrHost, getByteBufferPool, getBytesWritten, getCommittedMetaData, getConnection, getConnector, getEndPoint, getHttpConfiguration, getHttpTransport, getIdleTimeout, getLocalAddress, getLocalName, getLocalPort, getNextInterceptor, getRemoteAddress, getRequest, getRequestLog, getRequests, getResponse, getScheduler, getServer, getServerAuthority, getState, getTransientListeners, handle, isCommitted, isPersistent, isRequestCompleted, isResponseCompleted, isSendError, isUseInputDirectByteBuffers, newHttpOutput, onBadMessage, onCompleted, onContent, onContentComplete, onRequest, onRequestComplete, onTrailers, removeListener, resetBuffer, run, sendErrorOrAbort, sendResponse, sendResponse, sendResponseAndComplete, setIdleTimeout, setRequestLog, toString, unwrap, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

HttpChannelOverHttp

public HttpChannelOverHttp(HttpConnection httpConnection,
 Connector connector,
 HttpConfiguration config,
 EndPoint endPoint,
 HttpTransport transport)

Method Details

abort

public void abort(Throwable failure)

Description copied from class: HttpChannel

If a write or similar operation to this channel fails, then this method should be called.

The standard implementation calls HttpTransport.abort(Throwable).

Overrides:

abort in class HttpChannel

Parameters:

failure - the failure that caused the abort.

needContent

public boolean needContent()

Description copied from class: HttpChannel

Notify the channel that content is needed. If some content is immediately available, true is returned and HttpChannel.produceContent() has to be called and will return a non-null object. If no content is immediately available, an attempt to produce content must be made; if new content has been produced, true is returned; otherwise HttpInput.onContentProducible() is called once some content arrives and HttpChannel.produceContent() can be called without returning null. If a failure happens, then HttpInput.onContentProducible() will be called and an error content will return the error on the next call to HttpChannel.produceContent().

Specified by:

needContent in class HttpChannel

Returns:

true if content is immediately available.

produceContent

public HttpInput.Content produceContent()

Description copied from class: HttpChannel

Produce a HttpInput.Content object with data currently stored within the channel. The produced content can be special (meaning calling HttpInput.Content.isSpecial() returns true) if the channel reached a special state, like EOF or an error. Once a special content has been returned, all subsequent calls to this method will always return a special content of the same kind and HttpChannel.needContent() will always return true. The returned content is "raw", i.e.: not decoded.

Specified by:

produceContent in class HttpChannel

Returns:

a HttpInput.Content object if one is immediately available without blocking, null otherwise.

failAllContent

public boolean failAllContent(Throwable failure)

Description copied from class: HttpChannel

Fail all content that is currently stored within the channel.

Specified by:

failAllContent in class HttpChannel

Parameters:

failure - the failure to fail the content with.

Returns:

true if EOF was reached while failing all content, false otherwise.

badMessage

public void badMessage(BadMessageException failure)

Description copied from interface: HttpParser.HttpHandler

Called to signal that a bad HTTP message has been received.

Specified by:

badMessage in interface HttpParser.HttpHandler

Parameters:

failure - the failure with the bad message information

content

public boolean content(ByteBuffer buffer)

Specified by:

content in interface HttpParser.HttpHandler

contentComplete

public boolean contentComplete()

Specified by:

contentComplete in interface HttpParser.HttpHandler

continue100

public void continue100(int available)
                 throws IOException

If the associated response has the Expect header set to 100 Continue, then accessing the input stream indicates that the handler/servlet is ready for the request body and thus a 100 Continue response is sent.

Overrides:

continue100 in class HttpChannel

Parameters:

available - estimate of the number of bytes that are available

Throws:

IOException - if the InputStream cannot be created

earlyEOF

public void earlyEOF()

Description copied from interface: HttpParser.HttpHandler

Called to signal that an EOF was received unexpectedly during the parsing of an HTTP message

Specified by:

earlyEOF in interface HttpParser.HttpHandler

eof

protected boolean eof()

Description copied from class: HttpChannel

Mark the channel's input as EOF.

Specified by:

eof in class HttpChannel

Returns:

true if the channel needs to be rescheduled.

failed

public boolean failed(Throwable x)

Description copied from class: HttpChannel

Fail the channel's input.

Specified by:

failed in class HttpChannel

Parameters:

x - the failure.

Returns:

true if the channel needs to be rescheduled.

getTunnellingEndPoint

public EndPoint getTunnellingEndPoint()

Overrides:

getTunnellingEndPoint in class HttpChannel

headerComplete

public boolean headerComplete()

Specified by:

headerComplete in interface HttpParser.HttpHandler

isExpecting100Continue

public boolean isExpecting100Continue()

Overrides:

isExpecting100Continue in class HttpChannel

isExpecting102Processing

public boolean isExpecting102Processing()

Overrides:

isExpecting102Processing in class HttpChannel

isTunnellingSupported

public boolean isTunnellingSupported()

Overrides:

isTunnellingSupported in class HttpChannel

isUseOutputDirectByteBuffers

public boolean isUseOutputDirectByteBuffers()

Overrides:

isUseOutputDirectByteBuffers in class HttpChannel

messageComplete

public boolean messageComplete()

Specified by:

messageComplete in interface HttpParser.HttpHandler

onComplianceViolation

public void onComplianceViolation(ComplianceViolation.Mode mode,
 ComplianceViolation violation,
 String details)

Specified by:

onComplianceViolation in interface ComplianceViolation.Listener

parsedHeader

public void parsedHeader(HttpField field)

Description copied from interface: HttpParser.HttpHandler

This is the method called by parser when an HTTP Header name and value is found

Specified by:

parsedHeader in interface HttpParser.HttpHandler

Parameters:

field - The field parsed

parsedTrailer

public void parsedTrailer(HttpField field)

Description copied from interface: HttpParser.HttpHandler

This is the method called by parser when an HTTP Trailer name and value is found

Specified by:

parsedTrailer in interface HttpParser.HttpHandler

Parameters:

field - The field parsed

recycle

public void recycle()

Overrides:

recycle in class HttpChannel

servletUpgrade

public void servletUpgrade()

startRequest

public void startRequest(String method,
 String uri,
 HttpVersion version)

Description copied from interface: HttpParser.RequestHandler

This is the method called by parser when the HTTP request line is parsed

Specified by:

startRequest in interface HttpParser.RequestHandler

Parameters:

method - The method

uri - The raw bytes of the URI. These are copied into a ByteBuffer that will not be changed until this parser is reset and reused.

version - the http version in use

checkAndPrepareUpgrade

protected boolean checkAndPrepareUpgrade()

Description copied from class: HttpChannel

Checks whether the processing of the request resulted in an upgrade, and if so performs upgrade preparation steps before the upgrade response is sent back to the client.

This avoids a race where the server is unprepared if the client sends data immediately after having received the upgrade response.

Overrides:

checkAndPrepareUpgrade in class HttpChannel

Returns:

true if the channel is not complete and more processing is required, typically because sendError has been called.

handleException

protected void handleException(Throwable x)

Description copied from class: HttpChannel

Sends an error 500, performing a special logic to detect whether the request is suspended, to avoid concurrent writes from the application.

It may happen that the application suspends, and then throws an exception, while an application spawned thread writes the response content; in such case, we attempt to commit the error directly bypassing the ErrorHandler mechanisms and the response OutputStream.

Overrides:

handleException in class HttpChannel

Parameters:

x - the Throwable that caused the problem