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SMACK-129 - Added a property in smack-config file for the default packet collector size and set it much lower than the previous default. Also made the max size for packet collectors configurable from the constructor. 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_2_0@12509 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
rcollier 2011-06-18 18:18:03 +00:00
parent 0c88e19d3b
commit da5434505b
5 changed files with 97 additions and 15 deletions
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3
build/resources/META-INF/smack-config.xml
View File

@ -28,4 +28,7 @@
<!-- Port of the local Socks5 proxy -->
<localSocks5ProxyPort>7777</localSocks5ProxyPort>
<!-- Port of the local Socks5 proxy -->
<packetCollectorSize>10000</packetCollectorSize>
</smack>

22
source/org/jivesoftware/smack/PacketCollector.java
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@ -32,8 +32,9 @@ import java.util.LinkedList;
* use than a {@link PacketListener} when you need to wait for a specific
* result.<p>
*
* Each packet collector will queue up to 2^16 packets for processing before
* older packets are automatically dropped.
* Each packet collector will queue up a configured number of packets for processing before
* older packets are automatically dropped. The default number is retrieved by
* {@link SmackConfiguration#getPacketCollectorSize()}.
*
* @see Connection#createPacketCollector(PacketFilter)
* @author Matt Tucker
@ -45,7 +46,7 @@ public class PacketCollector {
* reached, older packets will be automatically dropped from the queue as
* new packets are added.
*/
private static final int MAX_PACKETS = 65536;
private int maxPackets = SmackConfiguration.getPacketCollectorSize();
private PacketFilter packetFilter;
private LinkedList<Packet> resultQueue;
@ -65,6 +66,19 @@ public class PacketCollector {
this.resultQueue = new LinkedList<Packet>();
}
/**
* Creates a new packet collector. If the packet filter is <tt>null</tt>, then
* all packets will match this collector.
*
* @param conection the connection the collector is tied to.
* @param packetFilter determines which packets will be returned by this collector.
* @param maxSize the maximum number of packets that will be stored in the collector.
*/
protected PacketCollector(Connection conection, PacketFilter packetFilter, int maxSize) {
this(conection, packetFilter);
maxPackets = maxSize;
}
/**
* Explicitly cancels the packet collector so that no more results are
* queued up. Once a packet collector has been cancelled, it cannot be
@ -180,7 +194,7 @@ public class PacketCollector {
}
if (packetFilter == null || packetFilter.accept(packet)) {
// If the max number of packets has been reached, remove the oldest one.
if (resultQueue.size() == MAX_PACKETS) {
if (resultQueue.size() == maxPackets) {
resultQueue.removeLast();
}
// Add the new packet.

41
source/org/jivesoftware/smack/SmackConfiguration.java
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@ -51,7 +51,8 @@ public final class SmackConfiguration {
private static Vector<String> defaultMechs = new Vector<String>();
private static boolean localSocks5ProxyEnabled = true;
private static int localSocks5ProxyPort = 7777;
private static int localSocks5ProxyPort = 7778;
private static int packetCollectorSize = 5000;
private SmackConfiguration() {
}
@ -85,20 +86,22 @@ public final class SmackConfiguration {
parseClassToLoad(parser);
}
else if (parser.getName().equals("packetReplyTimeout")) {
packetReplyTimeout =
parseIntProperty(parser, packetReplyTimeout);
packetReplyTimeout = parseIntProperty(parser, packetReplyTimeout);
}
else if (parser.getName().equals("keepAliveInterval")) {
keepAliveInterval = parseIntProperty(parser, keepAliveInterval);
}
else if (parser.getName().equals("mechName")) {
defaultMechs.add(parser.nextText());
} else if (parser.getName().equals("localSocks5ProxyEnabled")) {
localSocks5ProxyEnabled = Boolean.parseBoolean(parser
.nextText());
} else if (parser.getName().equals("localSocks5ProxyPort")) {
localSocks5ProxyPort = parseIntProperty(parser,
localSocks5ProxyPort);
}
else if (parser.getName().equals("localSocks5ProxyEnabled")) {
localSocks5ProxyEnabled = Boolean.parseBoolean(parser.nextText());
}
else if (parser.getName().equals("localSocks5ProxyPort")) {
localSocks5ProxyPort = parseIntProperty(parser, localSocks5ProxyPort);
}
else if (parser.getName().equals("packetCollectorSize")) {
packetCollectorSize = parseIntProperty(parser, packetCollectorSize);
}
}
eventType = parser.next();
@ -184,6 +187,26 @@ public final class SmackConfiguration {
keepAliveInterval = interval;
}
/**
* Gets the default max size of a packet collector before it will delete
* the older packets.
*
* @return The number of packets to queue before deleting older packets.
*/
public static int getPacketCollectorSize() {
return packetCollectorSize;
}
/**
* Sets the default max size of a packet collector before it will delete
* the older packets.
*
* @param The number of packets to queue before deleting older packets.
*/
public static void setPacketCollectorSize(int collectorSize) {
packetCollectorSize = collectorSize;
}
/**
* Add a SASL mechanism to the list to be used.
*

14
source/org/jivesoftware/smackx/muc/ConnectionDetachedPacketCollector.java
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@ -20,6 +20,7 @@
package org.jivesoftware.smackx.muc;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.packet.Packet;
import java.util.LinkedList;
@ -38,7 +39,7 @@ class ConnectionDetachedPacketCollector {
* reached, older packets will be automatically dropped from the queue as
* new packets are added.
*/
private static final int MAX_PACKETS = 65536;
private int maxPackets = SmackConfiguration.getPacketCollectorSize();
private LinkedList<Packet> resultQueue;
@ -50,6 +51,15 @@ class ConnectionDetachedPacketCollector {
this.resultQueue = new LinkedList<Packet>();
}
/**
* Creates a new packet collector. If the packet filter is <tt>null</tt>, then
* all packets will match this collector.
*/
public ConnectionDetachedPacketCollector(int maxSize) {
this.resultQueue = new LinkedList<Packet>();
maxPackets = maxSize;
}
/**
* Polls to see if a packet is currently available and returns it, or
* immediately returns <tt>null</tt> if no packets are currently in the
@ -124,7 +134,7 @@ class ConnectionDetachedPacketCollector {
return;
}
// If the max number of packets has been reached, remove the oldest one.
if (resultQueue.size() == MAX_PACKETS) {
if (resultQueue.size() == maxPackets) {
resultQueue.removeLast();
}
// Add the new packet.

32
test-unit/org/jivesoftware/smack/SmackConfigTest.java Normal file
View File

@ -0,0 +1,32 @@
package org.jivesoftware.smack;
import org.junit.Test;
import static org.junit.Assert.*;
public class SmackConfigTest
{
@Test
public void validatePacketCollectorSize()
{
assertEquals(10000, SmackConfiguration.getPacketCollectorSize());
}
@Test
public void validateKeepAliveInterval()
{
assertEquals(30000, SmackConfiguration.getKeepAliveInterval());
}
@Test
public void validateLocalSocks5ProxyPort()
{
assertEquals(7777, SmackConfiguration.getLocalSocks5ProxyPort());
}
@Test
public void validateIsLocalSocks5Proxy()
{
assertTrue(SmackConfiguration.isLocalSocks5ProxyEnabled());
}
}