org.apache.coyote.http11
Class Http11Processor

java.lang.Object
  org.apache.coyote.http11.Http11Processor

All Implemented Interfaces:

ActionHook, Processor

public class Http11Processor

extends java.lang.Object

implements Processor, ActionHook

Processes HTTP requests.

Author:

Remy Maucherat

Field Summary

protected Adapter	adapter Associated adapter.
protected java.lang.String[]	compressableMimeTypes List of MIMES which could be gzipped
protected int	compressionLevel Allowed compression level.
protected int	compressionMinSize Minimum contentsize to make compression.
protected boolean	contentDelimitation Content delimitator for the request (if false, the connection will be closed at the end of the request).
protected boolean	disableUploadTimeout Flag to disable setting a different time-out on uploads.
protected PoolTcpEndpoint	endpoint Associated endpoint.
protected boolean	error Error flag.
protected boolean	expectation Is there an expectation ?
protected char[]	hostNameC Host name (used to avoid useless B2C conversion on the host name).
protected boolean	http09 HTTP/0.9 flag.
protected boolean	http11 HTTP/1.1 flag.
protected InternalInputBuffer	inputBuffer Input.
protected boolean	keepAlive Keep-alive.
protected java.lang.String	localAddr The local Host address.
protected java.lang.String	localName Local Host associated with the current connection.
protected int	localPort Local port to which the socket is connected
protected static org.apache.commons.logging.Log	log Logger.
protected int	maxKeepAliveRequests Maximum number of Keep-Alive requests to honor.
protected int	maxSavePostSize Max saved post size.
protected java.util.regex.Pattern[]	noCompressionUserAgents List of user agents to not use gzip with
protected InternalOutputBuffer	outputBuffer Output.
protected java.lang.String	remoteAddr Remote Address associated with the current connection.
protected java.lang.String	remoteHost Remote Host associated with the current connection.
protected int	remotePort Remote port to which the socket is connected
protected Request	request Request object.
protected Response	response Response object.
protected java.util.regex.Pattern[]	restrictedUserAgents List of restricted user agents.
protected java.lang.String	server Allow a customized the server header for the tin-foil hat folks.
protected static StringManager	sm The string manager for this package.
protected java.net.Socket	socket Socket associated with the current connection.
protected int	socketBuffer Socket buffering.
protected SSLSupport	sslSupport SSL information.
protected boolean	started State flag.
protected ThreadPool	threadPool Associated thread pool.
protected int	timeout Maximum timeout on uploads. 5 minutes as in Apache HTTPD server.

Constructor Summary

Http11Processor()
Default constructor.

Http11Processor(int headerBufferSize)

Method Summary

void	action(ActionCode actionCode, java.lang.Object param) Send an action to the connector.
void	addCompressableMimeType(java.lang.String mimeType) Add a mime-type which will be compressable The mime-type String will be exactly matched in the response mime-type header .
protected void	addFilter(java.lang.String className) Add input or output filter.
protected boolean	addInputFilter(InputFilter[] inputFilters, java.lang.String encodingName) Add an input filter to the current request.
void	addNoCompressionUserAgent(java.lang.String userAgent) Add user-agent for which gzip compression didn't works The user agent String given will be exactly matched to the user-agent header submitted by the client.
void	addRestrictedUserAgent(java.lang.String userAgent) Add restricted user-agent (which will downgrade the connector to HTTP/1.0 mode).
protected int	findBytes(ByteChunk bc, byte[] b) Specialized utility method: find a sequence of lower case bytes inside a ByteChunk.
java.lang.String[]	findCompressableMimeTypes() Return the list of restricted user agents.
java.lang.String[]	findRestrictedUserAgents() Return the list of restricted user agents.
Adapter	getAdapter() Get the associated adapter.
java.lang.String	getCompression() Return compression level.
boolean	getDisableUploadTimeout() Get the flag that controls upload time-outs.
int	getMaxKeepAliveRequests() Return the number of Keep-Alive requests that we will honor.
int	getMaxSavePostSize() Return the maximum size of a POST which will be buffered in SSL mode.
Request	getRequest() Get the request associated with this processor.
java.lang.String	getServer() Get the server header name.
int	getSocketBuffer() Get the socket buffer flag.
int	getTimeout() Get the upload timeout.
protected void	initializeFilters() Initialize standard input and output filters.
void	parseHost(MessageBytes valueMB) Parse host.
protected void	prepareRequest() After reading the request headers, we have to setup the request filters.
protected void	prepareResponse() When committing the response, we have to validate the set of headers, as well as setup the response filters.
void	process(java.io.InputStream input, java.io.OutputStream output) Process pipelined HTTP requests using the specified input and output streams.
void	setAdapter(Adapter adapter) Set the associated adapter.
void	setCompressableMimeTypes(java.lang.String compressableMimeTypes) Set compressable mime-type list List contains users agents separated by ',' : ie: "text/html,text/xml,text/plain"
void	setCompressableMimeTypes(java.lang.String[] compressableMimeTypes) Set compressable mime-type list (this method is best when used with a large number of connectors, where it would be better to have all of them referenced a single array).
void	setCompression(java.lang.String compression) Set compression level.
void	setCompressionMinSize(int compressionMinSize) Set Minimum size to trigger compression.
void	setDisableUploadTimeout(boolean isDisabled) Set the flag to control upload time-outs.
void	setEndpoint(PoolTcpEndpoint endpoint)
void	setMaxKeepAliveRequests(int mkar) Set the maximum number of Keep-Alive requests to honor.
void	setMaxSavePostSize(int msps) Set the maximum size of a POST which will be buffered in SSL mode.
void	setNoCompressionUserAgents(java.util.regex.Pattern[] noCompressionUserAgents) Set no compression user agent list (this method is best when used with a large number of connectors, where it would be better to have all of them referenced a single array).
void	setNoCompressionUserAgents(java.lang.String noCompressionUserAgents) Set no compression user agent list.
void	setRestrictedUserAgents(java.util.regex.Pattern[] restrictedUserAgents) Set restricted user agent list (this method is best when used with a large number of connectors, where it would be better to have all of them referenced a single array).
void	setRestrictedUserAgents(java.lang.String restrictedUserAgents) Set restricted user agent list (which will downgrade the connector to HTTP/1.0 mode).
void	setServer(java.lang.String server) Set the server header name.
void	setSocket(java.net.Socket socket) Set the socket associated with this HTTP connection.
void	setSocketBuffer(int socketBuffer) Set the socket buffer flag.
void	setSSLSupport(SSLSupport sslSupport) Set the SSL information for this HTTP connection.
void	setThreadPool(ThreadPool threadPool)
void	setTimeout(int timeouts) Set the upload timeout.
protected boolean	statusDropsConnection(int status) Determine if we must drop the connection because of the HTTP status code.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.apache.commons.logging.Log log

Logger.

sm

protected static StringManager sm

The string manager for this package.

adapter

protected Adapter adapter

Associated adapter.

request

protected Request request

Request object.

response

protected Response response

Response object.

inputBuffer

protected InternalInputBuffer inputBuffer

Input.

outputBuffer

protected InternalOutputBuffer outputBuffer

Output.

started

protected boolean started

State flag.

error

protected boolean error

Error flag.

keepAlive

protected boolean keepAlive

Keep-alive.

http11

protected boolean http11

HTTP/1.1 flag.

http09

protected boolean http09

HTTP/0.9 flag.

contentDelimitation

protected boolean contentDelimitation

Content delimitator for the request (if false, the connection will be closed at the end of the request).

expectation

protected boolean expectation

Is there an expectation ?

restrictedUserAgents

protected java.util.regex.Pattern[] restrictedUserAgents

List of restricted user agents.

maxKeepAliveRequests

protected int maxKeepAliveRequests

Maximum number of Keep-Alive requests to honor.

sslSupport

protected SSLSupport sslSupport

SSL information.

socket

protected java.net.Socket socket

Socket associated with the current connection.

remoteAddr

protected java.lang.String remoteAddr

Remote Address associated with the current connection.

remoteHost

protected java.lang.String remoteHost

Remote Host associated with the current connection.

localName

protected java.lang.String localName

Local Host associated with the current connection.

localPort

protected int localPort

Local port to which the socket is connected

remotePort

protected int remotePort

Remote port to which the socket is connected

localAddr

protected java.lang.String localAddr

The local Host address.

timeout

protected int timeout

Maximum timeout on uploads. 5 minutes as in Apache HTTPD server.

disableUploadTimeout

protected boolean disableUploadTimeout

Flag to disable setting a different time-out on uploads.

compressionLevel

protected int compressionLevel

Allowed compression level.

compressionMinSize

protected int compressionMinSize

Minimum contentsize to make compression.

socketBuffer

protected int socketBuffer

Socket buffering.

maxSavePostSize

protected int maxSavePostSize

Max saved post size.

noCompressionUserAgents

protected java.util.regex.Pattern[] noCompressionUserAgents

List of user agents to not use gzip with

compressableMimeTypes

protected java.lang.String[] compressableMimeTypes

List of MIMES which could be gzipped

hostNameC

protected char[] hostNameC

Host name (used to avoid useless B2C conversion on the host name).

threadPool

protected ThreadPool threadPool

Associated thread pool.

endpoint

protected PoolTcpEndpoint endpoint

Associated endpoint.

server

protected java.lang.String server

Allow a customized the server header for the tin-foil hat folks.

Constructor Detail

Http11Processor

public Http11Processor()

Default constructor.

Http11Processor

public Http11Processor(int headerBufferSize)

Method Detail

getCompression

public java.lang.String getCompression()

Return compression level.

setCompression

public void setCompression(java.lang.String compression)

Set compression level.

setCompressionMinSize

public void setCompressionMinSize(int compressionMinSize)

Set Minimum size to trigger compression.

setThreadPool

public void setThreadPool(ThreadPool threadPool)

setEndpoint

public void setEndpoint(PoolTcpEndpoint endpoint)

addNoCompressionUserAgent

public void addNoCompressionUserAgent(java.lang.String userAgent)

Add user-agent for which gzip compression didn't works The user agent String given will be exactly matched to the user-agent header submitted by the client.

Parameters:

userAgent - user-agent string

setNoCompressionUserAgents

public void setNoCompressionUserAgents(java.util.regex.Pattern[] noCompressionUserAgents)

Set no compression user agent list (this method is best when used with a large number of connectors, where it would be better to have all of them referenced a single array).

setNoCompressionUserAgents

public void setNoCompressionUserAgents(java.lang.String noCompressionUserAgents)

Set no compression user agent list. List contains users agents separated by ',' : ie: "gorilla,desesplorer,tigrus"

addCompressableMimeType

public void addCompressableMimeType(java.lang.String mimeType)

Add a mime-type which will be compressable The mime-type String will be exactly matched in the response mime-type header .

Parameters:

mimeType - mime-type string

setCompressableMimeTypes

public void setCompressableMimeTypes(java.lang.String[] compressableMimeTypes)

Set compressable mime-type list (this method is best when used with a large number of connectors, where it would be better to have all of them referenced a single array).

setCompressableMimeTypes

public void setCompressableMimeTypes(java.lang.String compressableMimeTypes)

Set compressable mime-type list List contains users agents separated by ',' : ie: "text/html,text/xml,text/plain"

findCompressableMimeTypes

public java.lang.String[] findCompressableMimeTypes()

Return the list of restricted user agents.

addFilter

protected void addFilter(java.lang.String className)

Add input or output filter.

Parameters:

className - class name of the filter

addRestrictedUserAgent

public void addRestrictedUserAgent(java.lang.String userAgent)

Add restricted user-agent (which will downgrade the connector to HTTP/1.0 mode). The user agent String given will be matched via regexp to the user-agent header submitted by the client.

Parameters:

userAgent - user-agent string

setRestrictedUserAgents

public void setRestrictedUserAgents(java.util.regex.Pattern[] restrictedUserAgents)

Set restricted user agent list (this method is best when used with a large number of connectors, where it would be better to have all of them referenced a single array).

setRestrictedUserAgents

public void setRestrictedUserAgents(java.lang.String restrictedUserAgents)

Set restricted user agent list (which will downgrade the connector to HTTP/1.0 mode). List contains users agents separated by ',' : ie: "gorilla,desesplorer,tigrus"

findRestrictedUserAgents

public java.lang.String[] findRestrictedUserAgents()

Return the list of restricted user agents.

setMaxKeepAliveRequests

public void setMaxKeepAliveRequests(int mkar)

Set the maximum number of Keep-Alive requests to honor. This is to safeguard from DoS attacks. Setting to a negative value disables the check.

getMaxKeepAliveRequests

public int getMaxKeepAliveRequests()

Return the number of Keep-Alive requests that we will honor.

setMaxSavePostSize

public void setMaxSavePostSize(int msps)

Set the maximum size of a POST which will be buffered in SSL mode.

getMaxSavePostSize

public int getMaxSavePostSize()

Return the maximum size of a POST which will be buffered in SSL mode.

setSSLSupport

public void setSSLSupport(SSLSupport sslSupport)

Set the SSL information for this HTTP connection.

setSocket

public void setSocket(java.net.Socket socket)
               throws java.io.IOException

Set the socket associated with this HTTP connection.

Throws:

java.io.IOException

setDisableUploadTimeout

public void setDisableUploadTimeout(boolean isDisabled)

Set the flag to control upload time-outs.

getDisableUploadTimeout

public boolean getDisableUploadTimeout()

Get the flag that controls upload time-outs.

setSocketBuffer

public void setSocketBuffer(int socketBuffer)

Set the socket buffer flag.

getSocketBuffer

public int getSocketBuffer()

Get the socket buffer flag.

setTimeout

public void setTimeout(int timeouts)

Set the upload timeout.

getTimeout

public int getTimeout()

Get the upload timeout.

setServer

public void setServer(java.lang.String server)

Set the server header name.

getServer

public java.lang.String getServer()

Get the server header name.

getRequest

public Request getRequest()

Get the request associated with this processor.

Returns:

The request

process

public void process(java.io.InputStream input,
                    java.io.OutputStream output)
             throws java.io.IOException

Process pipelined HTTP requests using the specified input and output streams.

Specified by:

process in interface Processor

Parameters:

input - stream from which the HTTP requests will be read

output - stream which will be used to output the HTTP responses

Throws:

java.io.IOException - error during an I/O operation

action

public void action(ActionCode actionCode,
                   java.lang.Object param)

Send an action to the connector.

Specified by:

action in interface ActionHook

Parameters:

actionCode - Type of the action

param - Action parameter

setAdapter

public void setAdapter(Adapter adapter)

Set the associated adapter.

Specified by:

setAdapter in interface Processor

Parameters:

adapter - the new adapter

getAdapter

public Adapter getAdapter()

Get the associated adapter.

Specified by:

getAdapter in interface Processor

Returns:

the associated adapter

prepareRequest

protected void prepareRequest()

After reading the request headers, we have to setup the request filters.

parseHost

public void parseHost(MessageBytes valueMB)

Parse host.

prepareResponse

protected void prepareResponse()

When committing the response, we have to validate the set of headers, as well as setup the response filters.

initializeFilters

protected void initializeFilters()

Initialize standard input and output filters.

addInputFilter

protected boolean addInputFilter(InputFilter[] inputFilters,
                                 java.lang.String encodingName)

Add an input filter to the current request.

Returns:

false if the encoding was not found (which would mean it is unsupported)

findBytes

protected int findBytes(ByteChunk bc,
                        byte[] b)

Specialized utility method: find a sequence of lower case bytes inside a ByteChunk.

statusDropsConnection

protected boolean statusDropsConnection(int status)

Determine if we must drop the connection because of the HTTP status code. Use the same list of codes as Apache/httpd.