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Formatting, Javadoc and other minor fixes. 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@10845 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Matt Tucker 2008-10-24 04:49:05 +00:00 committed by matt
parent 2c93fc9e70
commit 73a302aef1
1 changed files with 29 additions and 66 deletions
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95
source/org/jivesoftware/smack/ReconnectionManager.java
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@ -4,26 +4,20 @@ import org.jivesoftware.smack.packet.StreamError;
/**
* Handles the automatic reconnection process. Every time a connection is dropped without
* the application explicitly closing it, the manager automatically tries to reconnect to
* the application explictly closing it, the manager automatically tries to reconnect to
* the server.<p>
* <p/>
*
* The reconnection mechanism will try to reconnect periodically:
* <ol>
* <li>First it will try 6 times every 10 seconds.
* <li>Then it will try 10 times every 1 minute.
* <li>Finally it will try indefinitely every 5 minutes.
* <li>For the first minute it will attempt to connect once every ten seconds.
* <li>For the next five minutes it will attempt to connect once a minute.
* <li>If that fails it will indefinitely try to connect once every five minutes.
* </ol>
*
* @author Francisco Vives
*/
public class ReconnectionManager implements ConnectionListener {
// Holds the time elapsed between each reconnection attempt
private int secondBetweenReconnection = 5 * 60; // 5 minutes
// Holds the thread that produces a periodical reconnection.
private Thread reconnectionThread;
// Holds the connection to the server
private XMPPConnection connection;
@ -57,30 +51,6 @@ public class ReconnectionManager implements ConnectionListener {
&& connection.packetReader != null;
}
/**
* Returns the time elapsed between each reconnection attempt.
* By default it will try to reconnect every 5 minutes.
* It is used when the client has lost the server connection and the XMPPConnection
* automatically tries to reconnect.
*
* @return Returns the number of seconds between reconnection.
*/
private int getSecondBetweenReconnection() {
return secondBetweenReconnection;
}
/**
* Sets the time elapsed between each reconnection attempt.
* It is used when the client has lost the server connection and the XMPPConnection
* automatically tries to reconnect.
*
* @param secondBetweenReconnection The number of seconds between reconnection.
*/
protected void setSecondBetweenReconnection(
int secondBetweenReconnection) {
this.secondBetweenReconnection = secondBetweenReconnection;
}
/**
* Starts a reconnection mechanism if it was configured to do that.
* The algorithm is been executed when the first connection error is detected.
@ -96,33 +66,26 @@ public class ReconnectionManager implements ConnectionListener {
if (this.isReconnectionAllowed()) {
// Since there is no thread running, creates a new one to attempt
// the reconnection.
reconnectionThread = new Thread() {
/**
* Holds the number of reconnection attempts
*/
private int attempts = 0;
private int firstReconnectionPeriod = 7; // 6 attempts
private int secondReconnectionPeriod = 10 + firstReconnectionPeriod; // 16 attempts
private int firstReconnectionTime = 10; // 10 seconds
private int secondReconnectionTime = 60; // 1 minute
private int lastReconnectionTime =
getSecondBetweenReconnection(); // user defined in seconds
private int remainingSeconds = 0; // The seconds remaining to a reconnection
private int notificationPeriod = 1000; // 1 second
Thread reconnectionThread = new Thread() {
/**
* Returns the amount of time until the next reconnection attempt.
* Holds the current number of reconnection attempts
*/
private int attempts = 0;
/**
* Returns the number of seconds until the next reconnection attempt.
*
* @return the amount of time until the next reconnection attempt.
* @return the number of seconds until the next reconnection attempt.
*/
private int timeDelay() {
if (attempts > secondReconnectionPeriod) {
return lastReconnectionTime; // 5 minutes
if (attempts > 13) {
return 60 * 5; // 5 minutes
}
if (attempts > firstReconnectionPeriod) {
return secondReconnectionTime; // 1 minute
if (attempts > 7) {
return 60; // 1 minute
}
return firstReconnectionTime; // 10 seconds
return 10; // 10 seconds
}
/**
@ -133,15 +96,17 @@ public class ReconnectionManager implements ConnectionListener {
// The process will try to reconnect until the connection is established or
// the user cancel the reconnection process {@link XMPPConnection#disconnect()}
while (ReconnectionManager.this.isReconnectionAllowed()) {
// Indicate how much time will wait until next reconnection
remainingSeconds = timeDelay();
// Notifies the remaining time until the next reconnection attempt
// every 1 second.
// Find how much time we should wait until the next reconnection
int remainingSeconds = timeDelay();
// Sleep until we're ready for the next reconnection attempt. Notify
// listeners once per second about how much time remains before the next
// reconnection attempt.
while (ReconnectionManager.this.isReconnectionAllowed() &&
remainingSeconds > 0) {
remainingSeconds > 0)
{
try {
Thread.sleep(notificationPeriod);
remainingSeconds = remainingSeconds - 1;
Thread.sleep(1000);
remainingSeconds--;
ReconnectionManager.this
.notifyAttemptToReconnectIn(remainingSeconds);
}
@ -151,12 +116,10 @@ public class ReconnectionManager implements ConnectionListener {
ReconnectionManager.this.notifyReconnectionFailed(e1);
}
}
// Waiting time have finished
// Makes the reconnection attempt
// Makes a reconnection attempt
try {
if (ReconnectionManager.this.isReconnectionAllowed()) {
// Attempts to reconnect.
connection.connect();
}
}
@ -239,4 +202,4 @@ public class ReconnectionManager implements ConnectionListener {
// ignore
}
}
}