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142 lines
4.3 KiB
142 lines
4.3 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "MediaMetrics"
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <binder/Parcel.h>
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#include <binder/IMemory.h>
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#include <binder/IPCThreadState.h>
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#include <utils/Errors.h> // for status_t
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#include <utils/List.h>
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#include <utils/Log.h>
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#include <utils/String8.h>
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#include <media/MediaMetricsItem.h>
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#include <media/IMediaMetricsService.h>
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namespace android {
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// TODO: Currently ONE_WAY transactions, make both ONE_WAY and synchronous options.
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enum {
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SUBMIT_ITEM = IBinder::FIRST_CALL_TRANSACTION,
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SUBMIT_BUFFER,
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};
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class BpMediaMetricsService: public BpInterface<IMediaMetricsService>
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{
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public:
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explicit BpMediaMetricsService(const sp<IBinder>& impl)
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: BpInterface<IMediaMetricsService>(impl)
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{
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}
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status_t submit(mediametrics::Item *item) override
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{
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if (item == nullptr) {
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return BAD_VALUE;
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}
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ALOGV("%s: (ONEWAY) item=%s", __func__, item->toString().c_str());
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Parcel data;
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data.writeInterfaceToken(IMediaMetricsService::getInterfaceDescriptor());
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status_t status = item->writeToParcel(&data);
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if (status != NO_ERROR) { // assume failure logged in item
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return status;
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}
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status = remote()->transact(
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SUBMIT_ITEM, data, nullptr /* reply */, IBinder::FLAG_ONEWAY);
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ALOGW_IF(status != NO_ERROR, "%s: bad response from service for submit, status=%d",
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__func__, status);
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return status;
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}
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status_t submitBuffer(const char *buffer, size_t length) override
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{
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if (buffer == nullptr || length > INT32_MAX) {
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return BAD_VALUE;
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}
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ALOGV("%s: (ONEWAY) length:%zu", __func__, length);
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Parcel data;
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data.writeInterfaceToken(IMediaMetricsService::getInterfaceDescriptor());
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status_t status = data.writeInt32(length)
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?: data.write((uint8_t*)buffer, length);
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if (status != NO_ERROR) {
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return status;
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}
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status = remote()->transact(
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SUBMIT_BUFFER, data, nullptr /* reply */, IBinder::FLAG_ONEWAY);
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ALOGW_IF(status != NO_ERROR, "%s: bad response from service for submit, status=%d",
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__func__, status);
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return status;
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}
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};
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IMPLEMENT_META_INTERFACE(MediaMetricsService, "android.media.IMediaMetricsService");
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// ----------------------------------------------------------------------
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status_t BnMediaMetricsService::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch (code) {
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case SUBMIT_ITEM: {
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CHECK_INTERFACE(IMediaMetricsService, data, reply);
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mediametrics::Item * const item = mediametrics::Item::create();
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status_t status = item->readFromParcel(data);
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if (status != NO_ERROR) { // assume failure logged in item
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return status;
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}
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status = submitInternal(item, true /* release */);
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// assume failure logged by submitInternal
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return NO_ERROR;
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}
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case SUBMIT_BUFFER: {
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CHECK_INTERFACE(IMediaMetricsService, data, reply);
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int32_t length;
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status_t status = data.readInt32(&length);
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if (status != NO_ERROR || length <= 0) {
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return BAD_VALUE;
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}
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const void *ptr = data.readInplace(length);
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if (ptr == nullptr) {
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return BAD_VALUE;
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}
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status = submitBuffer(static_cast<const char *>(ptr), length);
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// assume failure logged by submitBuffer
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return NO_ERROR;
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}
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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// ----------------------------------------------------------------------------
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} // namespace android
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