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Merge "Fix infinite recursion due to error log message"

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am: a57d7229ae

Change-Id: I5ffc80d4d7080b2cc2aa30de00a1d99dfbbad8f4
This commit is contained in:
Brad Ebinger
2019-11-14 15:07:48 -08:00
committed by android-build-merger
parent 9aeaffb1fe a57d7229ae
commit 4f4181825a
2 changed files with 29 additions and 5 deletions
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21
telecomm/java/android/telecom/Logging/Session.java
View File

@@ -237,7 +237,10 @@ public class Session {
// keep track of calls and bail if we hit the recursion limit
private String getFullSessionId(int parentCount) {
if (parentCount >= SESSION_RECURSION_LIMIT) {
Log.w(LOG_TAG, "getFullSessionId: Hit recursion limit!");
// Don't use Telecom's Log.w here or it will cause infinite recursion because it will
// try to add session information to this logging statement, which will cause it to hit
// this condition again and so on...
android.util.Slog.w(LOG_TAG, "getFullSessionId: Hit recursion limit!");
return TRUNCATE_STRING + mSessionId;
}
// Cache mParentSession locally to prevent a concurrency problem where
@@ -265,7 +268,11 @@ public class Session {
Session topNode = this;
while (topNode.getParentSession() != null) {
if (currParentCount >= SESSION_RECURSION_LIMIT) {
Log.w(LOG_TAG, "getRootSession: Hit recursion limit from " + callingMethod);
// Don't use Telecom's Log.w here or it will cause infinite recursion because it
// will try to add session information to this logging statement, which will cause
// it to hit this condition again and so on...
android.util.Slog.w(LOG_TAG, "getRootSession: Hit recursion limit from "
+ callingMethod);
break;
}
topNode = topNode.getParentSession();
@@ -289,7 +296,10 @@ public class Session {
private void printSessionTree(int tabI, StringBuilder sb, int currChildCount) {
// Prevent infinite recursion.
if (currChildCount >= SESSION_RECURSION_LIMIT) {
Log.w(LOG_TAG, "printSessionTree: Hit recursion limit!");
// Don't use Telecom's Log.w here or it will cause infinite recursion because it will
// try to add session information to this logging statement, which will cause it to hit
// this condition again and so on...
android.util.Slog.w(LOG_TAG, "printSessionTree: Hit recursion limit!");
sb.append(TRUNCATE_STRING);
return;
}
@@ -315,7 +325,10 @@ public class Session {
private synchronized void getFullMethodPath(StringBuilder sb, boolean truncatePath,
int parentCount) {
if (parentCount >= SESSION_RECURSION_LIMIT) {
Log.w(LOG_TAG, "getFullMethodPath: Hit recursion limit!");
// Don't use Telecom's Log.w here or it will cause infinite recursion because it will
// try to add session information to this logging statement, which will cause it to hit
// this condition again and so on...
android.util.Slog.w(LOG_TAG, "getFullMethodPath: Hit recursion limit!");
sb.append(TRUNCATE_STRING);
return;
}

13
telecomm/java/android/telecom/Logging/SessionManager.java
View File

@@ -202,7 +202,18 @@ public class SessionManager {
return createSubsession(false);
}
private synchronized Session createSubsession(boolean isStartedFromActiveSession) {
/**
* Creates a new subsession based on an existing session. Will not be started until
* {@link #continueSession(Session, String)} or {@link #cancelSubsession(Session)} is called.
* <p>
* Only public for testing!
* @param isStartedFromActiveSession true if this subsession is being created for a task on the
* same thread, false if it is being created for a related task on another thread.
* @return a new {@link Session}, call {@link #continueSession(Session, String)} to continue the
* session and {@link #endSession()} when done with this subsession.
*/
@VisibleForTesting
public synchronized Session createSubsession(boolean isStartedFromActiveSession) {
int threadId = getCallingThreadId();
Session threadSession = mSessionMapper.get(threadId);
if (threadSession == null) {