Merge "Fix GSM permanent failure handling."

This commit is contained in:
Wink Saville
2010-11-17 17:17:28 -08:00
committed by Android (Google) Code Review

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@@ -106,7 +106,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
* It is a subset of allApns and has the same format
*/
private ArrayList<ApnSetting> mWaitingApns = null;
private int mWaitingApnsPermanentFailureCountDown = 0;
private ApnSetting mPreferredApn = null;
/* Currently active APN */
@@ -361,6 +361,7 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
if (mState == State.IDLE) {
mWaitingApns = buildWaitingApns(mRequestedApnType);
mWaitingApnsPermanentFailureCountDown = mWaitingApns.size();
if (mWaitingApns.isEmpty()) {
if (DBG) log("No APN found");
notifyNoData(GsmDataConnection.FailCause.MISSING_UNKNOWN_APN);
@@ -996,6 +997,9 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
}
if (ar.exception == null) {
if(DBG) {
log(String.format("onDataSetupComplete: success apn=%s", mWaitingApns.get(0).apn));
}
// TODO: We should clear LinkProperties/Capabilities when torn down or disconnected
mLinkProperties = getLinkProperties(mPendingDataConnection);
mLinkCapabilities = getLinkCapabilities(mPendingDataConnection);
@@ -1047,27 +1051,32 @@ public final class GsmDataConnectionTracker extends DataConnectionTracker {
log(String.format("onDataSetupComplete: error apn=%s cause=%s", apnString, cause));
}
if (cause.isEventLoggable()) {
// Log this failure to the Event Logs.
GsmCellLocation loc = ((GsmCellLocation)mPhone.getCellLocation());
EventLog.writeEvent(EventLogTags.PDP_SETUP_FAIL,
cause.ordinal(), loc != null ? loc.getCid() : -1,
TelephonyManager.getDefault().getNetworkType());
}
// Do not retry on permanent failure
// TODO: We should not fail permanently if more Apns to try!
if (cause.isPermanentFail()) {
notifyNoData(cause);
notifyDataConnection(Phone.REASON_APN_FAILED);
onEnableApn(apnTypeToId(mRequestedApnType), DISABLED);
return;
}
// Count permanent failures and remove the APN we just tried
mWaitingApnsPermanentFailureCountDown -= cause.isPermanentFail() ? 1 : 0;
mWaitingApns.remove(0);
if (DBG) log(String.format("onDataSetupComplete: mWaitingApns.size=%d" +
" mWaitingApnsPermanenatFailureCountDown=%d",
mWaitingApns.size(), mWaitingApnsPermanentFailureCountDown));
// See if there are more APN's to try
if (mWaitingApns.isEmpty()) {
// No more to try, start delayed retry
startDelayedRetry(cause, reason);
if (mWaitingApnsPermanentFailureCountDown == 0) {
if (DBG) log("onDataSetupComplete: Permanent failures stop retrying");
notifyNoData(cause);
notifyDataConnection(Phone.REASON_APN_FAILED);
} else {
if (DBG) log("onDataSetupComplete: Not all permanent failures, retry");
startDelayedRetry(cause, reason);
}
} else {
// we still have more apns to try
if (DBG) log("onDataSetupComplete: Try next APN");
setState(State.SCANNING);
// Wait a bit before trying the next APN, so that
// we're not tying up the RIL command channel