blob: 44d0c285c6ef3b3c04d5cbbb638db485606b958d [file] [log] [blame]
** 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
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** See the License for the specific language governing permissions and
** limitations under the License.
#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 {
class ServiceLog;
struct ProcessInfoInterface;
typedef std::map<std::tuple<MediaResource::Type, MediaResource::SubType, std::vector<uint8_t>>, MediaResource> ResourceList;
struct ResourceInfo {
int64_t clientId;
uid_t uid;
sp<IResourceManagerClient> client;
sp<IBinder::DeathRecipient> deathNotifier;
ResourceList resources;
// TODO: convert these to std::map
typedef KeyedVector<int64_t, ResourceInfo> ResourceInfos;
typedef KeyedVector<int, ResourceInfos> PidResourceInfosMap;
class ResourceManagerService
: public BinderService<ResourceManagerService>,
public BnResourceManagerService
struct SystemCallbackInterface : public RefBase {
virtual void noteStartVideo(int uid) = 0;
virtual void noteStopVideo(int uid) = 0;
virtual void noteResetVideo() = 0;
virtual bool requestCpusetBoost(
bool enable, const sp<IInterface> &client) = 0;
static char const *getServiceName() { return "media.resource_manager"; }
virtual status_t dump(int fd, const Vector<String16>& args);
explicit ResourceManagerService(
const sp<ProcessInfoInterface> &processInfo,
const sp<SystemCallbackInterface> &systemResource);
// IResourceManagerService interface
virtual void config(const Vector<MediaResourcePolicy> &policies);
virtual void addResource(
int pid,
int uid,
int64_t clientId,
const sp<IResourceManagerClient> client,
const Vector<MediaResource> &resources);
virtual void removeResource(int pid, int64_t clientId,
const Vector<MediaResource> &resources);
virtual void removeClient(int pid, int64_t clientId);
// Tries to reclaim resource from processes with lower priority than the calling process
// according to the requested resources.
// Returns true if any resource has been reclaimed, otherwise returns false.
virtual bool reclaimResource(int callingPid, const Vector<MediaResource> &resources);
void removeResource(int pid, int64_t clientId, bool checkValid);
virtual ~ResourceManagerService();
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, MediaResource::Type 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, MediaResource::Type 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(MediaResource::Type 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, MediaResource::Type type, sp<IResourceManagerClient> *client);
bool isCallingPriorityHigher_l(int callingPid, int pid);
// A helper function basically calls getLowestPriorityBiggestClient_l and add the result client
// to the given Vector.
void getClientForResource_l(
int callingPid, const MediaResource *res, Vector<sp<IResourceManagerClient>> *clients);
void onFirstAdded(const MediaResource& res, const ResourceInfo& clientInfo);
void onLastRemoved(const MediaResource& res, const ResourceInfo& clientInfo);
// Merge r2 into r1
void mergeResources(MediaResource& r1, const MediaResource& r2);
mutable Mutex mLock;
sp<ProcessInfoInterface> mProcessInfo;
sp<SystemCallbackInterface> mSystemCB;
sp<ServiceLog> mServiceLog;
PidResourceInfosMap mMap;
bool mSupportsMultipleSecureCodecs;
bool mSupportsSecureWithNonSecureCodec;
int32_t mCpuBoostCount;
// ----------------------------------------------------------------------------
}; // namespace android