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+/*
+**
+** Copyright 2015, 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.
+*/
+
+#ifndef ANDROID_RESOURCEMANAGERSERVICE_H
+#define ANDROID_RESOURCEMANAGERSERVICE_H
+
+#include <arpa/inet.h>
+#include <binder/BinderService.h>
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+#include <utils/String8.h>
+#include <utils/threads.h>
+#include <utils/Vector.h>
+
+#include <media/IResourceManagerService.h>
+
+namespace android {
+
+struct ProcessInfoInterface;
+
+struct ResourceInfo {
+ int64_t clientId;
+ sp<IResourceManagerClient> client;
+ Vector<MediaResource> resources;
+};
+
+typedef Vector<ResourceInfo> ResourceInfos;
+typedef KeyedVector<int, ResourceInfos> PidResourceInfosMap;
+
+class ResourceManagerService
+ : public BinderService<ResourceManagerService>,
+ public BnResourceManagerService
+{
+public:
+ static char const *getServiceName() { return "media.resource_manager"; }
+
+ ResourceManagerService();
+ ResourceManagerService(sp<ProcessInfoInterface> processInfo);
+
+ // IResourceManagerService interface
+ virtual void config(const Vector<MediaResourcePolicy> &policies);
+
+ virtual void addResource(
+ int pid,
+ int64_t clientId,
+ const sp<IResourceManagerClient> client,
+ const Vector<MediaResource> &resources);
+
+ virtual void removeResource(int64_t clientId);
+
+ virtual bool reclaimResource(int callingPid, const Vector<MediaResource> &resources);
+
+protected:
+ virtual ~ResourceManagerService();
+
+private:
+ friend class ResourceManagerServiceTest;
+
+ // Gets the list of all the clients who own the specified resource type.
+ // Returns false if any client belongs to a process with higher priority than the
+ // calling process. The clients will remain unchanged if returns false.
+ bool getAllClients_l(int callingPid, const String8 &type,
+ Vector<sp<IResourceManagerClient>> *clients);
+
+ // Gets the client who owns specified resource type from lowest possible priority process.
+ // Returns false if the calling process priority is not higher than the lowest process
+ // priority. The client will remain unchanged if returns false.
+ bool getLowestPriorityBiggestClient_l(int callingPid, const String8 &type,
+ sp<IResourceManagerClient> *client);
+
+ // Gets lowest priority process that has the specified resource type.
+ // Returns false if failed. The output parameters will remain unchanged if failed.
+ bool getLowestPriorityPid_l(const String8 &type, int *pid, int *priority);
+
+ // Gets the client who owns biggest piece of specified resource type from pid.
+ // Returns false if failed. The client will remain unchanged if failed.
+ bool getBiggestClient_l(int pid, const String8 &type, sp<IResourceManagerClient> *client);
+
+ bool isCallingPriorityHigher_l(int callingPid, int pid);
+
+ mutable Mutex mLock;
+ sp<ProcessInfoInterface> mProcessInfo;
+ PidResourceInfosMap mMap;
+ bool mSupportsMultipleSecureCodecs;
+ bool mSupportsSecureWithNonSecureCodec;
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_RESOURCEMANAGERSERVICE_H