StrictMode "custom" trigger support. (e36f9bf1) · Commits · e / os / android_frameworks_base

api/current.xml

+35 −0

Original line number	Diff line number	Diff line
		@@ -144604,6 +144604,19 @@
		visibility="public"
		>
		</method>
		<method name="noteSlowCall"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="true"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="name" type="java.lang.String">
		</parameter>
		</method>
		<method name="setThreadPolicy"
		return="void"
		abstract="false"
		@@ -144698,6 +144711,17 @@
		visibility="public"
		>
		</method>
		<method name="detectCustomSlowCalls"
		return="android.os.StrictMode.ThreadPolicy.Builder"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</method>
		<method name="detectDiskReads"
		return="android.os.StrictMode.ThreadPolicy.Builder"
		abstract="false"
		@@ -144808,6 +144832,17 @@
		visibility="public"
		>
		</method>
		<method name="permitCustomSlowCalls"
		return="android.os.StrictMode.ThreadPolicy.Builder"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		</method>
		<method name="permitDiskReads"
		return="android.os.StrictMode.ThreadPolicy.Builder"
		abstract="false"

core/java/android/os/StrictMode.java

+76 −6

Original line number	Diff line number	Diff line
		@@ -150,6 +150,16 @@ public final class StrictMode {
		*/
		public static final int DETECT_NETWORK = 0x04; // for ThreadPolicy

		/**
		* For StrictMode.noteSlowCall()
		*
		* @hide
		*/
		public static final int DETECT_CUSTOM = 0x08; // for ThreadPolicy

		private static final int ALL_THREAD_DETECT_BITS =
		DETECT_DISK_WRITE \| DETECT_DISK_READ \| DETECT_NETWORK \| DETECT_CUSTOM;

		// Process-policy:

		/**
		@@ -309,14 +319,14 @@ public final class StrictMode {
		* disk operations but will likely expand in future releases.
		*/
		public Builder detectAll() {
		return enable(DETECT_DISK_WRITE \| DETECT_DISK_READ \| DETECT_NETWORK);
		return enable(ALL_THREAD_DETECT_BITS);
		}

		/**
		* Disable the detection of everything.
		*/
		public Builder permitAll() {
		return disable(DETECT_DISK_WRITE \| DETECT_DISK_READ \| DETECT_NETWORK);
		return disable(ALL_THREAD_DETECT_BITS);
		}

		/**
		@@ -347,6 +357,20 @@ public final class StrictMode {
		return disable(DETECT_DISK_READ);
		}

		/**
		* Enable detection of disk reads.
		*/
		public Builder detectCustomSlowCalls() {
		return enable(DETECT_CUSTOM);
		}

		/**
		* Enable detection of disk reads.
		*/
		public Builder permitCustomSlowCalls() {
		return enable(DETECT_CUSTOM);
		}

		/**
		* Enable detection of disk writes.
		*/
		@@ -663,6 +687,12 @@ public final class StrictMode {
		}
		}

		private static class StrictModeCustomViolation extends BlockGuard.BlockGuardPolicyException {
		public StrictModeCustomViolation(int policyMask, String name) {
		super(policyMask, DETECT_CUSTOM, name);
		}
		}

		/**
		* Returns the bitmask of the current thread's policy.
		*
		@@ -678,6 +708,10 @@ public final class StrictMode {
		* Returns the current thread's policy.
		*/
		public static ThreadPolicy getThreadPolicy() {
		// TODO: this was a last minute Gingerbread API change (to
		// introduce VmPolicy cleanly) but this isn't particularly
		// optimal for users who might call this method often. This
		// should be in a thread-local and not allocate on each call.
		return new ThreadPolicy(getThreadPolicyMask());
		}

		@@ -799,7 +833,9 @@ public final class StrictMode {
		* getMessage() String value. Kinda gross, but least
		* invasive. :/
		*
		* Input is of form "policy=137 violation=64"
		* Input is of the following forms:
		* "policy=137 violation=64"
		* "policy=137 violation=64 msg=Arbitrary text"
		*
		* Returns 0 on failure, which is a valid policy, but not a
		* valid policy during a violation (else there must've been
		@@ -832,7 +868,12 @@ public final class StrictMode {
		if (violationIndex == -1) {
		return 0;
		}
		String violationString = message.substring(violationIndex + 10);
		int numberStartIndex = violationIndex + "violation=".length();
		int numberEndIndex = message.indexOf(' ', numberStartIndex);
		if (numberEndIndex == -1) {
		numberEndIndex = message.length();
		}
		String violationString = message.substring(numberStartIndex, numberEndIndex);
		try {
		return Integer.valueOf(violationString).intValue();
		} catch (NumberFormatException e) {
		@@ -893,6 +934,19 @@ public final class StrictMode {
		startHandlingViolationException(e);
		}

		// Not part of BlockGuard.Policy; just part of StrictMode:
		void onCustomSlowCall(String name) {
		if ((mPolicyMask & DETECT_CUSTOM) == 0) {
		return;
		}
		if (tooManyViolationsThisLoop()) {
		return;
		}
		BlockGuard.BlockGuardPolicyException e = new StrictModeCustomViolation(mPolicyMask, name);
		e.fillInStackTrace();
		startHandlingViolationException(e);
		}

		// Part of BlockGuard.Policy interface:
		public void onReadFromDisk() {
		if ((mPolicyMask & DETECT_DISK_READ) == 0) {
		@@ -1229,8 +1283,7 @@ public final class StrictMode {
		.penaltyLog()
		.build());
		StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
		.detectLeakedSqlLiteObjects()
		.detectLeakedClosableObjects()
		.detectAll()
		.penaltyLog()
		.build());
		}
		@@ -1525,6 +1578,23 @@ public final class StrictMode {
		return span;
		}

		/**
		* For code to note that it's slow. This is a no-op unless the
		* current thread's {@link android.os.StrictMode.ThreadPolicy} has
		* {@link android.os.StrictMode.ThreadPolicy.Builder#detectCustomSlowCalls}
		* enabled.
		*
		* @param name a short string for the exception stack trace that's
		* built if when this fires.
		*/
		public static void noteSlowCall(String name) {
		BlockGuard.Policy policy = BlockGuard.getThreadPolicy();
		if (!(policy instanceof AndroidBlockGuardPolicy)) {
		// StrictMode not enabled.
		return;
		}
		((AndroidBlockGuardPolicy) policy).onCustomSlowCall(name);
		}

		/**
		* Parcelable that gets sent in Binder call headers back to callers