You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
4.4 KiB
124 lines
4.4 KiB
/*
|
|
**
|
|
** 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 {
|
|
|
|
class ServiceLog;
|
|
struct ProcessInfoInterface;
|
|
|
|
struct ResourceInfo {
|
|
int64_t clientId;
|
|
sp<IResourceManagerClient> client;
|
|
sp<IBinder::DeathRecipient> deathNotifier;
|
|
Vector<MediaResource> resources;
|
|
bool cpuBoost;
|
|
};
|
|
|
|
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"; }
|
|
|
|
virtual status_t dump(int fd, const Vector<String16>& args);
|
|
|
|
ResourceManagerService();
|
|
explicit 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(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);
|
|
|
|
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, 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);
|
|
|
|
mutable Mutex mLock;
|
|
sp<ProcessInfoInterface> mProcessInfo;
|
|
sp<ServiceLog> mServiceLog;
|
|
PidResourceInfosMap mMap;
|
|
bool mSupportsMultipleSecureCodecs;
|
|
bool mSupportsSecureWithNonSecureCodec;
|
|
int32_t mCpuBoostCount;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_RESOURCEMANAGERSERVICE_H
|