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am de3ae172: Merge "Add additional test for likely NAT timeout" into froyo

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Merge commit 'de3ae17246bc011eff61e18ee1013e146ec53a3d' into froyo-plus-aosp

* commit 'de3ae17246bc011eff61e18ee1013e146ec53a3d':
  Add additional test for likely NAT timeout
This commit is contained in:
Marc Blank 2010-04-23 12:45:55 -07:00 committed by Android Git Automerger
commit 819de68b01
1 changed files with 20 additions and 5 deletions
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25
src/com/android/exchange/EasSyncService.java
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@ -1477,7 +1477,7 @@ public class EasSyncService extends AbstractSyncService {
}
}
void pushFallback(long mailboxId) {
private void pushFallback(long mailboxId) {
Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, mailboxId);
if (mailbox == null) {
return;
@ -1494,7 +1494,22 @@ public class EasSyncService extends AbstractSyncService {
SyncManager.kick("push fallback");
}
void runPingLoop() throws IOException, StaleFolderListException {
/**
* Simplistic attempt to determine a NAT timeout, based on experience with various carriers
* and networks. The strings "reset by peer" and "broken pipe" are very common in these
* situations, so we look for them specifically (sans the b in broken, in case it's lowercase)
* @param message
* @return whether this message is likely associated with a NAT failure
*/
private boolean isLikelyNatFailure(String message) {
if (message == null) return false;
if (message.contains("reset by peer") || message.contains("roken pipe")) {
return true;
}
return false;
}
private void runPingLoop() throws IOException, StaleFolderListException {
int pingHeartbeat = mPingHeartbeat;
userLog("runPingLoop");
// Do push for all sync services here
@ -1647,7 +1662,7 @@ public class EasSyncService extends AbstractSyncService {
if (mPostReset) {
// Nothing to do in this case; this is SyncManager telling us to try another
// ping.
} else if (mPostAborted || (hasMessage && message.contains("reset by peer"))) {
} else if (mPostAborted || isLikelyNatFailure(message)) {
long pingLength = SystemClock.elapsedRealtime() - pingTime;
if ((pingHeartbeat > PING_MIN_HEARTBEAT) &&
(pingHeartbeat > mPingHighWaterMark)) {
@ -1668,7 +1683,7 @@ public class EasSyncService extends AbstractSyncService {
userLog("Abort or NAT type return < 2 seconds; throwing IOException");
throw e;
} else {
userLog("NAT type IOException > 2 seconds?");
userLog("NAT type IOException");
}
} else {
throw e;
@ -1703,7 +1718,7 @@ public class EasSyncService extends AbstractSyncService {
mPingHeartbeat = pingHeartbeat;
}
void sleep(long ms, boolean runAsleep) {
private void sleep(long ms, boolean runAsleep) {
if (runAsleep) {
SyncManager.runAsleep(mMailboxId, ms+(5*SECONDS));
}