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-rw-r--r--libs/binder/Android.mk3
-rw-r--r--libs/binder/AppOpsManager.cpp94
-rw-r--r--libs/binder/IAppOpsCallback.cpp70
-rw-r--r--libs/binder/IAppOpsService.cpp172
-rw-r--r--libs/binder/IMemory.cpp4
-rw-r--r--libs/binder/ProcessState.cpp19
6 files changed, 354 insertions, 8 deletions
diff --git a/libs/binder/Android.mk b/libs/binder/Android.mk
index d449298..994d3db 100644
--- a/libs/binder/Android.mk
+++ b/libs/binder/Android.mk
@@ -14,8 +14,11 @@
# we have the common sources, plus some device-specific stuff
sources := \
+ AppOpsManager.cpp \
Binder.cpp \
BpBinder.cpp \
+ IAppOpsCallback.cpp \
+ IAppOpsService.cpp \
IInterface.cpp \
IMemory.cpp \
IPCThreadState.cpp \
diff --git a/libs/binder/AppOpsManager.cpp b/libs/binder/AppOpsManager.cpp
new file mode 100644
index 0000000..7ac1b11
--- /dev/null
+++ b/libs/binder/AppOpsManager.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <binder/AppOpsManager.h>
+#include <binder/IServiceManager.h>
+
+#include <utils/SystemClock.h>
+
+namespace android {
+
+static String16 _appops("appops");
+
+AppOpsManager::AppOpsManager()
+{
+}
+
+sp<IAppOpsService> AppOpsManager::getService()
+{
+ int64_t startTime = 0;
+ mLock.lock();
+ sp<IAppOpsService> service = mService;
+ while (service == NULL || !service->asBinder()->isBinderAlive()) {
+ sp<IBinder> binder = defaultServiceManager()->checkService(_appops);
+ if (binder == NULL) {
+ // Wait for the app ops service to come back...
+ if (startTime == 0) {
+ startTime = uptimeMillis();
+ ALOGI("Waiting for app ops service");
+ } else if ((uptimeMillis()-startTime) > 10000) {
+ ALOGW("Waiting too long for app ops service, giving up");
+ return NULL;
+ }
+ sleep(1);
+ } else {
+ service = interface_cast<IAppOpsService>(binder);
+ mService = service;
+ }
+ }
+ mLock.unlock();
+ return service;
+}
+
+int32_t AppOpsManager::checkOp(int32_t op, int32_t uid, const String16& callingPackage)
+{
+ sp<IAppOpsService> service = getService();
+ return service != NULL ? service->checkOperation(op, uid, callingPackage) : MODE_IGNORED;
+}
+
+int32_t AppOpsManager::noteOp(int32_t op, int32_t uid, const String16& callingPackage) {
+ sp<IAppOpsService> service = getService();
+ return service != NULL ? service->noteOperation(op, uid, callingPackage) : MODE_IGNORED;
+}
+
+int32_t AppOpsManager::startOp(int32_t op, int32_t uid, const String16& callingPackage) {
+ sp<IAppOpsService> service = getService();
+ return service != NULL ? service->startOperation(op, uid, callingPackage) : MODE_IGNORED;
+}
+
+void AppOpsManager::finishOp(int32_t op, int32_t uid, const String16& callingPackage) {
+ sp<IAppOpsService> service = getService();
+ if (service != NULL) {
+ service->finishOperation(op, uid, callingPackage);
+ }
+}
+
+void AppOpsManager::startWatchingMode(int32_t op, const String16& packageName,
+ const sp<IAppOpsCallback>& callback) {
+ sp<IAppOpsService> service = getService();
+ if (service != NULL) {
+ service->startWatchingMode(op, packageName, callback);
+ }
+}
+
+void AppOpsManager::stopWatchingMode(const sp<IAppOpsCallback>& callback) {
+ sp<IAppOpsService> service = getService();
+ if (service != NULL) {
+ service->stopWatchingMode(callback);
+ }
+}
+
+}; // namespace android
diff --git a/libs/binder/IAppOpsCallback.cpp b/libs/binder/IAppOpsCallback.cpp
new file mode 100644
index 0000000..e0aad23
--- /dev/null
+++ b/libs/binder/IAppOpsCallback.cpp
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AppOpsCallback"
+
+#include <binder/IAppOpsCallback.h>
+
+#include <utils/Debug.h>
+#include <utils/Log.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+
+#include <private/binder/Static.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpAppOpsCallback : public BpInterface<IAppOpsCallback>
+{
+public:
+ BpAppOpsCallback(const sp<IBinder>& impl)
+ : BpInterface<IAppOpsCallback>(impl)
+ {
+ }
+
+ virtual void opChanged(int32_t op, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsCallback::getInterfaceDescriptor());
+ data.writeInt32(op);
+ data.writeString16(packageName);
+ remote()->transact(OP_CHANGED_TRANSACTION, data, &reply);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(AppOpsCallback, "com.android.internal.app.IAppOpsCallback");
+
+// ----------------------------------------------------------------------
+
+status_t BnAppOpsCallback::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch(code) {
+ case OP_CHANGED_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsCallback, data, reply);
+ int32_t op = data.readInt32();
+ String16 packageName = data.readString16();
+ opChanged(op, packageName);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android
diff --git a/libs/binder/IAppOpsService.cpp b/libs/binder/IAppOpsService.cpp
new file mode 100644
index 0000000..282b30f
--- /dev/null
+++ b/libs/binder/IAppOpsService.cpp
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AppOpsService"
+
+#include <binder/IAppOpsService.h>
+
+#include <utils/Debug.h>
+#include <utils/Log.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+
+#include <private/binder/Static.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------
+
+class BpAppOpsService : public BpInterface<IAppOpsService>
+{
+public:
+ BpAppOpsService(const sp<IBinder>& impl)
+ : BpInterface<IAppOpsService>(impl)
+ {
+ }
+
+ virtual int32_t checkOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(CHECK_OPERATION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return MODE_ERRORED;
+ return reply.readInt32();
+ }
+
+ virtual int32_t noteOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(NOTE_OPERATION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return MODE_ERRORED;
+ return reply.readInt32();
+ }
+
+ virtual int32_t startOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(START_OPERATION_TRANSACTION, data, &reply);
+ // fail on exception
+ if (reply.readExceptionCode() != 0) return MODE_ERRORED;
+ return reply.readInt32();
+ }
+
+ virtual void finishOperation(int32_t code, int32_t uid, const String16& packageName) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(code);
+ data.writeInt32(uid);
+ data.writeString16(packageName);
+ remote()->transact(FINISH_OPERATION_TRANSACTION, data, &reply);
+ }
+
+ virtual void startWatchingMode(int32_t op, const String16& packageName,
+ const sp<IAppOpsCallback>& callback) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeInt32(op);
+ data.writeString16(packageName);
+ data.writeStrongBinder(callback->asBinder());
+ remote()->transact(START_WATCHING_MODE_TRANSACTION, data, &reply);
+ }
+
+ virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) {
+ Parcel data, reply;
+ data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor());
+ data.writeStrongBinder(callback->asBinder());
+ remote()->transact(STOP_WATCHING_MODE_TRANSACTION, data, &reply);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService");
+
+// ----------------------------------------------------------------------
+
+status_t BnAppOpsService::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ //printf("AppOpsService received: "); data.print();
+ switch(code) {
+ case CHECK_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ int32_t res = checkOperation(code, uid, packageName);
+ reply->writeNoException();
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case NOTE_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ int32_t res = noteOperation(code, uid, packageName);
+ reply->writeNoException();
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case START_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ int32_t res = startOperation(code, uid, packageName);
+ reply->writeNoException();
+ reply->writeInt32(res);
+ return NO_ERROR;
+ } break;
+ case FINISH_OPERATION_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t code = data.readInt32();
+ int32_t uid = data.readInt32();
+ String16 packageName = data.readString16();
+ finishOperation(code, uid, packageName);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ case START_WATCHING_MODE_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ int32_t op = data.readInt32();
+ String16 packageName = data.readString16();
+ sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder());
+ startWatchingMode(op, packageName, callback);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ case STOP_WATCHING_MODE_TRANSACTION: {
+ CHECK_INTERFACE(IAppOpsService, data, reply);
+ sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder());
+ stopWatchingMode(callback);
+ reply->writeNoException();
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android
diff --git a/libs/binder/IMemory.cpp b/libs/binder/IMemory.cpp
index cd2451a..07cb41a 100644
--- a/libs/binder/IMemory.cpp
+++ b/libs/binder/IMemory.cpp
@@ -246,9 +246,7 @@ BpMemoryHeap::~BpMemoryHeap() {
if (VERBOSE) {
ALOGD("UNMAPPING binder=%p, heap=%p, size=%d, fd=%d",
binder.get(), this, mSize, mHeapId);
- CallStack stack;
- stack.update();
- stack.dump("callstack");
+ CallStack stack(LOG_TAG);
}
munmap(mBase, mSize);
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index d95fd6f..294e1d4 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -283,15 +283,20 @@ void ProcessState::setArgV0(const char* txt)
}
}
+String8 ProcessState::makeBinderThreadName() {
+ int32_t s = android_atomic_add(1, &mThreadPoolSeq);
+ String8 name;
+ name.appendFormat("Binder_%X", s);
+ return name;
+}
+
void ProcessState::spawnPooledThread(bool isMain)
{
if (mThreadPoolStarted) {
- int32_t s = android_atomic_add(1, &mThreadPoolSeq);
- char buf[16];
- snprintf(buf, sizeof(buf), "Binder_%X", s);
- ALOGV("Spawning new pooled thread, name=%s\n", buf);
+ String8 name = makeBinderThreadName();
+ ALOGV("Spawning new pooled thread, name=%s\n", name.string());
sp<Thread> t = new PoolThread(isMain);
- t->run(buf);
+ t->run(name.string());
}
}
@@ -304,6 +309,10 @@ status_t ProcessState::setThreadPoolMaxThreadCount(size_t maxThreads) {
return result;
}
+void ProcessState::giveThreadPoolName() {
+ androidSetThreadName( makeBinderThreadName().string() );
+}
+
static int open_driver()
{
int fd = open("/dev/binder", O_RDWR);
generated by cgit v1.1 at 2025-08-04 06:46:28 +0000