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130 lines
4.3 KiB
130 lines
4.3 KiB
/*
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* Copyright (C) 2020 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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#include <android-base/properties.h>
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#include <android/hardware/dumpstate/1.1/IDumpstateDevice.h>
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#include <android/hardware/dumpstate/1.1/types.h>
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#include <hidl/HidlLazyUtils.h>
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#include <hidl/HidlSupport.h>
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#include <hidl/HidlTransportSupport.h>
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#include <log/log.h>
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#include "DumpstateUtil.h"
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namespace {
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using ::android::hardware::hidl_handle;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::dumpstate::V1_1::DumpstateMode;
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using ::android::hardware::dumpstate::V1_1::DumpstateStatus;
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using ::android::hardware::dumpstate::V1_1::IDumpstateDevice;
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using ::android::os::dumpstate::DumpFileToFd;
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const char kVerboseLoggingProperty[] = "persist.dumpstate.verbose_logging.enabled";
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struct DumpstateDevice : public IDumpstateDevice {
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// 1.1
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Return<DumpstateStatus> dumpstateBoard_1_1(const hidl_handle& handle, const DumpstateMode mode,
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uint64_t /*timeoutMillis*/) override {
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if (handle == nullptr || handle->numFds < 1) {
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ALOGE("no FDs\n");
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return DumpstateStatus::ILLEGAL_ARGUMENT;
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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", fd);
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return DumpstateStatus::ILLEGAL_ARGUMENT;
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}
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switch (mode) {
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case DumpstateMode::FULL:
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return dumpstateBoardImpl(fd, true);
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case DumpstateMode::DEFAULT:
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return dumpstateBoardImpl(fd, false);
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case DumpstateMode::INTERACTIVE:
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case DumpstateMode::REMOTE:
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case DumpstateMode::WEAR:
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case DumpstateMode::CONNECTIVITY:
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case DumpstateMode::WIFI:
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case DumpstateMode::PROTO:
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ALOGE("The requested mode is not supported: %s\n", toString(mode).c_str());
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return DumpstateStatus::UNSUPPORTED_MODE;
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default:
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ALOGE("The requested mode is invalid: %s\n", toString(mode).c_str());
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return DumpstateStatus::ILLEGAL_ARGUMENT;
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}
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}
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Return<void> setVerboseLoggingEnabled(bool enable) override {
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::android::base::SetProperty(kVerboseLoggingProperty, enable ? "true" : "false");
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return Void();
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}
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Return<bool> getVerboseLoggingEnabled() override { return getVerboseLoggingEnabledImpl(); }
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// 1.0
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Return<void> dumpstateBoard(const hidl_handle& h) override {
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dumpstateBoard_1_1(h, DumpstateMode::DEFAULT, 0);
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return Void();
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}
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DumpstateStatus dumpstateBoardImpl(const int fd, const bool full) {
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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, "verbose logging: %s\n",
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getVerboseLoggingEnabledImpl() ? "enabled" : "disabled");
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dprintf(fd, "[%s] %s\n", (full ? "full" : "default"), "Hello, world!");
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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 DumpstateStatus::OK;
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}
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static bool getVerboseLoggingEnabledImpl() {
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return ::android::base::GetBoolProperty(kVerboseLoggingProperty, false);
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}
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};
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} // namespace
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int main(int, char**) {
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using ::android::sp;
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using ::android::hardware::configureRpcThreadpool;
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using ::android::hardware::joinRpcThreadpool;
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using ::android::hardware::LazyServiceRegistrar;
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configureRpcThreadpool(1, true);
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auto dumpstate = sp<DumpstateDevice>::make();
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auto serviceRegistrar = LazyServiceRegistrar::getInstance();
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if (serviceRegistrar.registerService(dumpstate) != ::android::OK) {
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ALOGE("Could not register service.");
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return 1;
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}
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joinRpcThreadpool();
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return 0;
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}
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