Merge change 24858 into eclair
* changes: Don't wait longer than 10s for ping boxes to be ready
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commit
bba6d443f5
@ -103,10 +103,6 @@ public class EasSyncService extends AbstractSyncService {
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* going into hysteresis; the NAT timeout isn't going to change without a change in connection,
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* which will cause the sync service to be restarted at the starting heartbeat and going through
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* the process again.
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*
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* One issue we've got is that there's no foolproof way of knowing that we hit a NAT timeout,
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* rather than some other disconnect. In my experience, we see a particular IOException, but
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* this might be too fragile an indicator, so we'll have to consider changes to this approach.
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*/
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static private final int PING_MINUTES = 60; // in seconds
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static private final int PING_FUDGE_LOW = 10;
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@ -114,6 +110,7 @@ public class EasSyncService extends AbstractSyncService {
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static private final int PING_MIN_HEARTBEAT = (5*PING_MINUTES)-PING_FUDGE_LOW;
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static private final int PING_MAX_HEARTBEAT = (17*PING_MINUTES)-PING_FUDGE_LOW;
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static private final int PING_HEARTBEAT_INCREMENT = 3*PING_MINUTES;
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static private final int PING_FORCE_HEARTBEAT = 2*PING_MINUTES;
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static private final int PROTOCOL_PING_STATUS_COMPLETED = 1;
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static private final int PROTOCOL_PING_STATUS_CHANGES_FOUND = 2;
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@ -677,6 +674,8 @@ public class EasSyncService extends AbstractSyncService {
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long endTime = System.currentTimeMillis() + (30*MINUTES);
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HashMap<String, Integer> pingErrorMap = new HashMap<String, Integer>();
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int pingWaitCount = 0;
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while ((System.currentTimeMillis() < endTime) && !mStop) {
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// Count of pushable mailboxes
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int pushCount = 0;
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@ -733,16 +732,25 @@ public class EasSyncService extends AbstractSyncService {
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c.close();
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}
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if ((canPushCount > 0) && (canPushCount == pushCount)) {
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// If we have some number that are ready for push, send Ping to the server
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// If we've waited 10 seconds or more, just ping with whatever boxes are ready
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// But use a shorter than normal heartbeat
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boolean forcePing = (pingWaitCount > 9);
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if ((canPushCount > 0) && ((canPushCount == pushCount) || forcePing)) {
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// If all pingable boxes are ready for push, send Ping to the server
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s.end().end().done();
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pingWaitCount = 0;
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// If we've been stopped, this is a good time to return
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if (mStop) return;
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try {
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// Send the ping, wrapped by appropriate timeout/alarm
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HttpResponse res = sendPing(s.toByteArray(), pingHeartbeat);
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if (forcePing) {
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userLog("Forcing ping after waiting for all boxes to be ready");
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}
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HttpResponse res =
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sendPing(s.toByteArray(), forcePing ? PING_FORCE_HEARTBEAT : pingHeartbeat);
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int code = res.getStatusLine().getStatusCode();
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userLog("Ping response: ", code);
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@ -759,21 +767,21 @@ public class EasSyncService extends AbstractSyncService {
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InputStream is = res.getEntity().getContent();
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if (len > 0) {
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int status = parsePingResult(is, mContentResolver);
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// If our ping completed (status = 1), and we're not at the maximum,
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// try increasing timeout by two minutes
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if ((status == PROTOCOL_PING_STATUS_COMPLETED) &&
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(pingHeartbeat > mPingHighWaterMark)) {
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// If our ping completed (status = 1), and we weren't forced and we're
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// not at the maximum, try increasing timeout by two minutes
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if (status == PROTOCOL_PING_STATUS_COMPLETED && !forcePing) {
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if (pingHeartbeat > mPingHighWaterMark) {
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mPingHighWaterMark = pingHeartbeat;
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userLog("Setting ping high water mark at: ", mPingHighWaterMark);
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userLog("Setting high water mark at: ", mPingHighWaterMark);
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}
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if ((status == PROTOCOL_PING_STATUS_COMPLETED) &&
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(pingHeartbeat < PING_MAX_HEARTBEAT) &&
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if ((pingHeartbeat < PING_MAX_HEARTBEAT) &&
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!mPingHeartbeatDropped) {
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pingHeartbeat += PING_HEARTBEAT_INCREMENT;
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if (pingHeartbeat > PING_MAX_HEARTBEAT) {
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pingHeartbeat = PING_MAX_HEARTBEAT;
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}
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userLog("Increasing ping heartbeat to ", pingHeartbeat, "s");
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}
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} else if (status == PROTOCOL_PING_STATUS_CHANGES_FOUND) {
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checkPingErrors(pingErrorMap);
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}
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@ -811,6 +819,7 @@ public class EasSyncService extends AbstractSyncService {
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// TODO Change sleep to wait and use notify from SyncManager when a sync ends
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userLog("pingLoop waiting for: ", (pushCount - canPushCount), " box(es)");
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sleep(1*SECONDS);
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pingWaitCount++;
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} else {
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// We've got nothing to do, so we'll check again in 30 minutes at which time
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// we'll update the folder list. Let the device sleep in the meantime...
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