/* package */ void hangup(GsmCall call) throws CallStateException {
if (call.getConnections().size() == 0) {
throw new CallStateException("no connections in call");
}
if (call == ringingCall) {
if (Phone.DEBUG_PHONE) log("(ringing) hangup waiting or background");
cm.hangupWaitingOrBackground(obtainCompleteMessage());
} else if (call == foregroundCall) {
if (call.isDialingOrAlerting()) {
if (Phone.DEBUG_PHONE) {
log("(foregnd) hangup dialing or alerting...");
}
hangup((GsmConnection) (call.getConnections().get(0)));
} else {
hangupForegroundResumeBackground();
}
} else if (call == backgroundCall) {
if (ringingCall.isRinging()) {
if (Phone.DEBUG_PHONE) {
log("hangup all conns in background call");
}
hangupAllConnections(call);
} else {
hangupWaitingOrBackground();
}
} else {
throw new RuntimeException("GsmCall " + call + "does not belong to GsmCallTracker " + this);
}
call.onHangupLocal();
phone.notifyPreciseCallStateChanged();
}
/**
* Obtain a message to use for signalling "invoke getCurrentCalls() when this operation and all
* other pending operations are complete
*/
private Message obtainCompleteMessage(int what) {
pendingOperations++;
lastRelevantPoll = null;
needsPoll = true;
if (DBG_POLL)
log(
"obtainCompleteMessage: pendingOperations="
+ pendingOperations
+ ", needsPoll="
+ needsPoll);
return obtainMessage(what);
}
private void operationComplete() {
pendingOperations--;
if (DBG_POLL)
log("operationComplete: pendingOperations=" + pendingOperations + ", needsPoll=" + needsPoll);
if (pendingOperations == 0 && needsPoll) {
lastRelevantPoll = obtainMessage(EVENT_POLL_CALLS_RESULT);
cm.getCurrentCalls(lastRelevantPoll);
} else if (pendingOperations < 0) {
// this should never happen
Rlog.e(LOG_TAG, "GsmCallTracker.pendingOperations < 0");
pendingOperations = 0;
}
}
/*package*/ void hangup(GsmConnection conn) throws CallStateException {
if (conn.owner != this) {
throw new CallStateException(
"GsmConnection " + conn + "does not belong to GsmCallTracker " + this);
}
if (conn == pendingMO) {
// We're hanging up an outgoing call that doesn't have it's
// GSM index assigned yet
if (Phone.DEBUG_PHONE) log("hangup: set hangupPendingMO to true");
hangupPendingMO = true;
} else {
try {
cm.hangupConnection(conn.getGSMIndex(), obtainCompleteMessage());
} catch (CallStateException ex) {
// Ignore "connection not found"
// Call may have hung up already
Rlog.w(LOG_TAG, "GsmCallTracker WARN: hangup() on absent connection " + conn);
}
}
conn.onHangupLocal();
}
public void handleMessage(Message msg) {
AsyncResult ar;
switch (msg.what) {
case EVENT_POLL_CALLS_RESULT:
ar = (AsyncResult) msg.obj;
if (msg == lastRelevantPoll) {
if (DBG_POLL) log("handle EVENT_POLL_CALL_RESULT: set needsPoll=F");
needsPoll = false;
lastRelevantPoll = null;
handlePollCalls((AsyncResult) msg.obj);
}
break;
case EVENT_OPERATION_COMPLETE:
ar = (AsyncResult) msg.obj;
operationComplete();
break;
case EVENT_SWITCH_RESULT:
case EVENT_CONFERENCE_RESULT:
case EVENT_SEPARATE_RESULT:
case EVENT_ECT_RESULT:
ar = (AsyncResult) msg.obj;
if (ar.exception != null) {
phone.notifySuppServiceFailed(getFailedService(msg.what));
}
operationComplete();
break;
case EVENT_GET_LAST_CALL_FAIL_CAUSE:
int causeCode;
ar = (AsyncResult) msg.obj;
operationComplete();
if (ar.exception != null) {
// An exception occurred...just treat the disconnect
// cause as "normal"
causeCode = CallFailCause.NORMAL_CLEARING;
Rlog.i(LOG_TAG, "Exception during getLastCallFailCause, assuming normal disconnect");
} else {
causeCode = ((int[]) ar.result)[0];
}
// Log the causeCode if its not normal
if (causeCode == CallFailCause.NO_CIRCUIT_AVAIL
|| causeCode == CallFailCause.TEMPORARY_FAILURE
|| causeCode == CallFailCause.SWITCHING_CONGESTION
|| causeCode == CallFailCause.CHANNEL_NOT_AVAIL
|| causeCode == CallFailCause.QOS_NOT_AVAIL
|| causeCode == CallFailCause.BEARER_NOT_AVAIL
|| causeCode == CallFailCause.ERROR_UNSPECIFIED) {
GsmCellLocation loc = ((GsmCellLocation) phone.getCellLocation());
EventLog.writeEvent(
EventLogTags.CALL_DROP,
causeCode,
loc != null ? loc.getCid() : -1,
TelephonyManager.getDefault().getNetworkType());
}
for (int i = 0, s = droppedDuringPoll.size(); i < s; i++) {
GsmConnection conn = droppedDuringPoll.get(i);
conn.onRemoteDisconnect(causeCode);
}
updatePhoneState();
phone.notifyPreciseCallStateChanged();
droppedDuringPoll.clear();
break;
case EVENT_REPOLL_AFTER_DELAY:
case EVENT_CALL_STATE_CHANGE:
pollCallsWhenSafe();
break;
case EVENT_RADIO_AVAILABLE:
handleRadioAvailable();
break;
case EVENT_RADIO_NOT_AVAILABLE:
handleRadioNotAvailable();
break;
}
}
/* package */
void hangupForegroundResumeBackground() {
if (Phone.DEBUG_PHONE) log("hangupForegroundResumeBackground");
cm.hangupForegroundResumeBackground(obtainCompleteMessage());
}
/* package */
void hangupWaitingOrBackground() {
if (Phone.DEBUG_PHONE) log("hangupWaitingOrBackground");
cm.hangupWaitingOrBackground(obtainCompleteMessage());
}
protected synchronized void handlePollCalls(AsyncResult ar) {
List polledCalls;
if (ar.exception == null) {
polledCalls = (List) ar.result;
} else if (isCommandExceptionRadioNotAvailable(ar.exception)) {
// just a dummy empty ArrayList to cause the loop
// to hang up all the calls
polledCalls = new ArrayList();
} else {
// Radio probably wasn't ready--try again in a bit
// But don't keep polling if the channel is closed
pollCallsAfterDelay();
return;
}
Connection newRinging = null; // or waiting
boolean hasNonHangupStateChanged = false; // Any change besides
// a dropped connection
boolean needsPollDelay = false;
boolean unknownConnectionAppeared = false;
for (int i = 0, curDC = 0, dcSize = polledCalls.size(); i < connections.length; i++) {
GsmConnection conn = connections[i];
DriverCall dc = null;
// polledCall list is sparse
if (curDC < dcSize) {
dc = (DriverCall) polledCalls.get(curDC);
if (dc.index == i + 1) {
curDC++;
} else {
dc = null;
}
}
if (DBG_POLL) log("poll: conn[i=" + i + "]=" + conn + ", dc=" + dc);
if (conn == null && dc != null) {
// Connection appeared in CLCC response that we don't know about
if (pendingMO != null && pendingMO.compareTo(dc)) {
if (DBG_POLL) log("poll: pendingMO=" + pendingMO);
// It's our pending mobile originating call
connections[i] = pendingMO;
pendingMO.index = i;
pendingMO.update(dc);
pendingMO = null;
// Someone has already asked to hangup this call
if (hangupPendingMO) {
hangupPendingMO = false;
try {
if (Phone.DEBUG_PHONE) log("poll: hangupPendingMO, hangup conn " + i);
hangup(connections[i]);
} catch (CallStateException ex) {
Rlog.e(LOG_TAG, "unexpected error on hangup");
}
// Do not continue processing this poll
// Wait for hangup and repoll
return;
}
} else {
connections[i] = new GsmConnection(phone.getContext(), dc, this, i);
// it's a ringing call
if (connections[i].getCall() == ringingCall) {
newRinging = connections[i];
} else {
// Something strange happened: a call appeared
// which is neither a ringing call or one we created.
// Either we've crashed and re-attached to an existing
// call, or something else (eg, SIM) initiated the call.
Rlog.i(LOG_TAG, "Phantom call appeared " + dc);
// If it's a connected call, set the connect time so that
// it's non-zero. It may not be accurate, but at least
// it won't appear as a Missed Call.
if (dc.state != DriverCall.State.ALERTING && dc.state != DriverCall.State.DIALING) {
connections[i].onConnectedInOrOut();
if (dc.state == DriverCall.State.HOLDING) {
// We've transitioned into HOLDING
connections[i].onStartedHolding();
}
}
unknownConnectionAppeared = true;
}
}
hasNonHangupStateChanged = true;
} else if (conn != null && dc == null) {
// Connection missing in CLCC response that we were
// tracking.
droppedDuringPoll.add(conn);
// Dropped connections are removed from the CallTracker
// list but kept in the GsmCall list
connections[i] = null;
} else if (conn != null && dc != null && !conn.compareTo(dc)) {
// Connection in CLCC response does not match what
// we were tracking. Assume dropped call and new call
droppedDuringPoll.add(conn);
connections[i] = new GsmConnection(phone.getContext(), dc, this, i);
if (connections[i].getCall() == ringingCall) {
newRinging = connections[i];
} // else something strange happened
hasNonHangupStateChanged = true;
} else if (conn != null && dc != null) {
/* implicit conn.compareTo(dc) */
boolean changed;
changed = conn.update(dc);
hasNonHangupStateChanged = hasNonHangupStateChanged || changed;
}
if (REPEAT_POLLING) {
if (dc != null) {
// FIXME with RIL, we should not need this anymore
if ((dc.state == DriverCall.State.DIALING
/*&& cm.getOption(cm.OPTION_POLL_DIALING)*/ )
|| (dc.state == DriverCall.State.ALERTING
/*&& cm.getOption(cm.OPTION_POLL_ALERTING)*/ )
|| (dc.state == DriverCall.State.INCOMING
/*&& cm.getOption(cm.OPTION_POLL_INCOMING)*/ )
|| (dc.state == DriverCall.State.WAITING
/*&& cm.getOption(cm.OPTION_POLL_WAITING)*/ )) {
// Sometimes there's no unsolicited notification
// for state transitions
needsPollDelay = true;
}
}
}
}
// This is the first poll after an ATD.
// We expect the pending call to appear in the list
// If it does not, we land here
if (pendingMO != null) {
Rlog.d(LOG_TAG, "Pending MO dropped before poll fg state:" + foregroundCall.getState());
droppedDuringPoll.add(pendingMO);
pendingMO = null;
hangupPendingMO = false;
}
if (newRinging != null) {
phone.notifyNewRingingConnection(newRinging);
}
// clear the "local hangup" and "missed/rejected call"
// cases from the "dropped during poll" list
// These cases need no "last call fail" reason
for (int i = droppedDuringPoll.size() - 1; i >= 0; i--) {
GsmConnection conn = droppedDuringPoll.get(i);
if (conn.isIncoming() && conn.getConnectTime() == 0) {
// Missed or rejected call
Connection.DisconnectCause cause;
if (conn.cause == Connection.DisconnectCause.LOCAL) {
cause = Connection.DisconnectCause.INCOMING_REJECTED;
} else {
cause = Connection.DisconnectCause.INCOMING_MISSED;
}
if (Phone.DEBUG_PHONE) {
log("missed/rejected call, conn.cause=" + conn.cause);
log("setting cause to " + cause);
}
droppedDuringPoll.remove(i);
conn.onDisconnect(cause);
} else if (conn.cause == Connection.DisconnectCause.LOCAL) {
// Local hangup
droppedDuringPoll.remove(i);
conn.onDisconnect(Connection.DisconnectCause.LOCAL);
} else if (conn.cause == Connection.DisconnectCause.INVALID_NUMBER) {
droppedDuringPoll.remove(i);
conn.onDisconnect(Connection.DisconnectCause.INVALID_NUMBER);
}
}
// Any non-local disconnects: determine cause
if (droppedDuringPoll.size() > 0) {
cm.getLastCallFailCause(obtainNoPollCompleteMessage(EVENT_GET_LAST_CALL_FAIL_CAUSE));
}
if (needsPollDelay) {
pollCallsAfterDelay();
}
// Cases when we can no longer keep disconnected Connection's
// with their previous calls
// 1) the phone has started to ring
// 2) A Call/Connection object has changed state...
// we may have switched or held or answered (but not hung up)
if (newRinging != null || hasNonHangupStateChanged) {
internalClearDisconnected();
}
updatePhoneState();
if (unknownConnectionAppeared) {
phone.notifyUnknownConnection();
}
if (hasNonHangupStateChanged || newRinging != null) {
phone.notifyPreciseCallStateChanged();
}
// dumpState();
}