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/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/params/HttpConnectionParams.java,v 1.6 2004/09/15 20:32:21 olegk Exp $
* $Revision: 1182263 $
* $Date: 2011-10-12 04:39:33 -0400 (Wed, 12 Oct 2011) $
*
* ====================================================================
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
*
* This parameter expects a value of type {@link Integer}.
*
* @see java.net.SocketOptions#SO_TIMEOUT
*/
public static final String SO_TIMEOUT = "http.socket.timeout";
/**
* Determines whether Nagle's algorithm is to be used. The Nagle's algorithm
* tries to conserve bandwidth by minimizing the number of segments that are
* sent. When applications wish to decrease network latency and increase
* performance, they can disable Nagle's algorithm (that is enable TCP_NODELAY).
* Data will be sent earlier, at the cost of an increase in bandwidth consumption.
*
* This parameter expects a value of type {@link Boolean}.
*
* @see java.net.SocketOptions#TCP_NODELAY
*/
public static final String TCP_NODELAY = "http.tcp.nodelay";
/**
* Determines a hint the size of the underlying buffers used by the platform
* for outgoing network I/O. This value is a suggestion to the kernel from
* the application about the size of buffers to use for the data to be sent
* over the socket.
*
* This parameter expects a value of type {@link Integer}.
*
* @see java.net.SocketOptions#SO_SNDBUF
*/
public static final String SO_SNDBUF = "http.socket.sendbuffer";
/**
* Determines a hint the size of the underlying buffers used by the platform
* for incoming network I/O. This value is a suggestion to the kernel from
* the application about the size of buffers to use for the data to be received
* over the socket.
*
* This parameter expects a value of type {@link Integer}.
*
* @see java.net.SocketOptions#SO_RCVBUF
*/
public static final String SO_RCVBUF = "http.socket.receivebuffer";
/**
* Sets SO_LINGER with the specified linger time in seconds. The maximum timeout
* value is platform specific. Value 0 implies that the option is disabled.
* Value -1 implies that the JRE default is used. The setting only affects
* socket close.
*
* This parameter expects a value of type {@link Integer}.
*
* @see java.net.SocketOptions#SO_LINGER
*/
public static final String SO_LINGER = "http.socket.linger";
/**
* Determines the timeout until a connection is etablished. A value of zero
* means the timeout is not used. The default value is zero.
*
* This parameter expects a value of type {@link Integer}.
*
*/
public static final String CONNECTION_TIMEOUT = "http.connection.timeout";
/**
* Determines whether stale connection check is to be used. Disabling
* stale connection check may result in slight performance improvement
* at the risk of getting an I/O error when executing a request over a
* connection that has been closed at the server side.
*
* This parameter expects a value of type {@link Boolean}.
*
*/
public static final String STALE_CONNECTION_CHECK = "http.connection.stalecheck";
/**
* Determines the maximum line length limit. If set to a positive value,
* any HTTP line exceeding this limit will cause an IOException. A negative
* or zero value will effectively disable the check.
*
* This parameter expects a value of type {@link Integer}.
*
*/
public static final String MAX_LINE_LENGTH = "http.connection.max-line-length";
/**
* Determines the maximum HTTP header count allowed. If set to a positive
* value, the number of HTTP headers received from the data stream exceeding
* this limit will cause an IOException. A negative or zero value will
* effectively disable the check.
*
* This parameter expects a value of type {@link Integer}.
*
*/
public static final String MAX_HEADER_COUNT = "http.connection.max-header-count";
/**
* Creates a new collection of parameters with the collection returned
* by {@link #getDefaultParams()} as a parent. The collection will defer
* to its parent for a default value if a particular parameter is not
* explicitly set in the collection itself.
*
* @see #getDefaultParams()
*/
public HttpConnectionParams() {
super();
}
/**
* Returns the default socket timeout (SO_TIMEOUT) in milliseconds which is the
* timeout for waiting for data. A timeout value of zero is interpreted as an infinite
* timeout. This value is used when no socket timeout is set in the
* {@link HttpMethodParams HTTP method parameters}.
*
* @return timeout in milliseconds
*/
public int getSoTimeout() {
return getIntParameter(SO_TIMEOUT, 0);
}
/**
* Sets the default socket timeout (SO_TIMEOUT) in milliseconds which is the
* timeout for waiting for data. A timeout value of zero is interpreted as an infinite
* timeout. This value is used when no socket timeout is set in the
* {@link HttpMethodParams HTTP method parameters}.
*
* @param timeout Timeout in milliseconds
*/
public void setSoTimeout(int timeout) {
setIntParameter(SO_TIMEOUT, timeout);
}
/**
* Determines whether Nagle's algorithm is to be used. The Nagle's algorithm
* tries to conserve bandwidth by minimizing the number of segments that are
* sent. When applications wish to decrease network latency and increase
* performance, they can disable Nagle's algorithm (that is enable TCP_NODELAY).
* Data will be sent earlier, at the cost of an increase in bandwidth consumption.
*
* @param value true if the Nagle's algorithm is to NOT be used
* (that is enable TCP_NODELAY), false otherwise.
*/
public void setTcpNoDelay(boolean value) {
setBooleanParameter(TCP_NODELAY, value);
}
/**
* Tests if Nagle's algorithm is to be used.
*
* @return true if the Nagle's algorithm is to NOT be used
* (that is enable TCP_NODELAY), false otherwise.
*/
public boolean getTcpNoDelay() {
return getBooleanParameter(TCP_NODELAY, true);
}
/**
* Returns a hint the size of the underlying buffers used by the platform for
* outgoing network I/O. This value is a suggestion to the kernel from the
* application about the size of buffers to use for the data to be sent over
* the socket.
*
* @return the hint size of the send buffer
*/
public int getSendBufferSize() {
return getIntParameter(SO_SNDBUF, -1);
}
/**
* Sets a hint the size of the underlying buffers used by the platform for
* outgoing network I/O. This value is a suggestion to the kernel from the
* application about the size of buffers to use for the data to be sent over
* the socket.
*
* @param size the hint size of the send buffer
*/
public void setSendBufferSize(int size) {
setIntParameter(SO_SNDBUF, size);
}
/**
* Returns a hint the size of the underlying buffers used by the platform
* for incoming network I/O. This value is a suggestion to the kernel from
* the application about the size of buffers to use for the data to be received
* over the socket.
*
* @return the hint size of the send buffer
*/
public int getReceiveBufferSize() {
return getIntParameter(SO_RCVBUF, -1);
}
/**
* Sets a hint the size of the underlying buffers used by the platform
* for incoming network I/O. This value is a suggestion to the kernel from
* the application about the size of buffers to use for the data to be received
* over the socket.
*
* @param size the hint size of the send buffer
*/
public void setReceiveBufferSize(int size) {
setIntParameter(SO_RCVBUF, size);
}
/**
* Returns linger-on-close timeout. Value 0 implies that the option is
* disabled. Value -1 implies that the JRE default is used.
*
* @return the linger-on-close timeout
*/
public int getLinger() {
return getIntParameter(SO_LINGER, -1);
}
/**
* Returns linger-on-close timeout. This option disables/enables immediate return
* from a close() of a TCP Socket. Enabling this option with a non-zero Integer
* timeout means that a close() will block pending the transmission and
* acknowledgement of all data written to the peer, at which point the socket is
* closed gracefully. Value 0 implies that the option is
* disabled. Value -1 implies that the JRE default is used.
*
* @param value the linger-on-close timeout
*/
public void setLinger(int value) {
setIntParameter(SO_LINGER, value);
}
/**
* Returns the timeout until a connection is etablished. A value of zero
* means the timeout is not used. The default value is zero.
*
* @return timeout in milliseconds.
*/
public int getConnectionTimeout() {
return getIntParameter(CONNECTION_TIMEOUT, 0);
}
/**
* Sets the timeout until a connection is etablished. A value of zero
* means the timeout is not used. The default value is zero.
*
* @param timeout Timeout in milliseconds.
*/
public void setConnectionTimeout(int timeout) {
setIntParameter(CONNECTION_TIMEOUT, timeout);
}
/**
* Tests whether stale connection check is to be used. Disabling
* stale connection check may result in slight performance improvement
* at the risk of getting an I/O error when executing a request over a
* connection that has been closed at the server side.
*
* @return true if stale connection check is to be used,
* false otherwise.
*/
public boolean isStaleCheckingEnabled() {
return getBooleanParameter(STALE_CONNECTION_CHECK, true);
}
/**
* Defines whether stale connection check is to be used. Disabling
* stale connection check may result in slight performance improvement
* at the risk of getting an I/O error when executing a request over a
* connection that has been closed at the server side.
*
* @param value true if stale connection check is to be used,
* false otherwise.
*/
public void setStaleCheckingEnabled(boolean value) {
setBooleanParameter(STALE_CONNECTION_CHECK, value);
}
}
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