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65 lines
1.9 KiB
65 lines
1.9 KiB
4 months ago
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/*
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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 "dumpstate"
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#include "DumpstateDevice.h"
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#include <hidl/HidlBinderSupport.h>
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#include <log/log.h>
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#include "DumpstateUtil.h"
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using android::os::dumpstate::DumpFileToFd;
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using android::os::dumpstate::RunCommandToFd;
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namespace android {
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namespace hardware {
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namespace dumpstate {
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namespace V1_0 {
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namespace implementation {
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// Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.
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Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle& handle) {
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// NOTE: this is just an example on how to use the DumpstateUtil.h functions to implement
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// this interface.
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if (handle == nullptr || handle->numFds < 1) {
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ALOGE("no FDs\n");
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return Void();
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}
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int fd = handle->data[0];
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if (fd < 0) {
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ALOGE("invalid FD: %d\n", handle->data[0]);
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return Void();
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}
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ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);
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ALOGI("Dumpstate HIDL not provided by device\n");
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dprintf(fd, "Dumpstate HIDL not provided by device; providing bogus data.\n");
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// Shows an example on how to use the libdumpstateutil API.
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DumpFileToFd(fd, "cmdline", "/proc/self/cmdline");
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return Void();
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace dumpstate
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} // namespace hardware
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} // namespace android
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