dumpstate: Add dumpstate device AIDL HAL
- Add interface AIDL files
- Add default example service. Example service is setup as a
lazy service.
- Add VTS test having same coverage as dumpstate device HIDL
1.1 VTS tests
Bug: 205760700
Test: VtsHalDumpstateTargetTest, dumpstate, dumpstate_test, dumpsys
Change-Id: I63f177af5e1e16cad392ce594f1b438e5610d757
diff --git a/dumpstate/aidl/default/Android.bp b/dumpstate/aidl/default/Android.bp
new file mode 100644
index 0000000..45fdc17
--- /dev/null
+++ b/dumpstate/aidl/default/Android.bp
@@ -0,0 +1,46 @@
+// Copyright (C) 2021 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.
+
+package {
+ // See: http://go/android-license-faq
+ // A large-scale-change added 'default_applicable_licenses' to import
+ // all of the 'license_kinds' from "hardware_interfaces_license"
+ // to get the below license kinds:
+ // SPDX-license-identifier-Apache-2.0
+ default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+cc_binary {
+ name: "android.hardware.dumpstate-service.example",
+ relative_install_path: "hw",
+ init_rc: ["dumpstate-default.rc"],
+ vintf_fragments: ["dumpstate-default.xml"],
+ vendor: true,
+ shared_libs: [
+ "libbase",
+ "libbinder_ndk",
+ "libcutils",
+ "libdumpstateutil",
+ "liblog",
+ "libutils",
+ "android.hardware.dumpstate-V1-ndk",
+ ],
+ srcs: [
+ "main.cpp",
+ "Dumpstate.cpp",
+ ],
+ cflags: [
+ "-DLOG_TAG=\"android.hardware.dumpstate-service.example\"",
+ ],
+}
diff --git a/dumpstate/aidl/default/Dumpstate.cpp b/dumpstate/aidl/default/Dumpstate.cpp
new file mode 100644
index 0000000..a0730fb
--- /dev/null
+++ b/dumpstate/aidl/default/Dumpstate.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <android-base/properties.h>
+#include <log/log.h>
+#include "DumpstateUtil.h"
+
+#include "Dumpstate.h"
+
+using android::os::dumpstate::DumpFileToFd;
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace dumpstate {
+
+const char kVerboseLoggingProperty[] = "persist.dumpstate.verbose_logging.enabled";
+
+ndk::ScopedAStatus Dumpstate::dumpstateBoard(const std::vector<::ndk::ScopedFileDescriptor>& in_fds,
+ IDumpstateDevice::DumpstateMode in_mode,
+ int64_t in_timeoutMillis) {
+ (void)in_timeoutMillis;
+
+ if (in_fds.size() < 1) {
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+ "No file descriptor");
+ }
+
+ int fd = in_fds[0].get();
+ if (fd < 0) {
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+ "Invalid file descriptor");
+ }
+
+ switch (in_mode) {
+ case IDumpstateDevice::DumpstateMode::FULL:
+ return dumpstateBoardImpl(fd, true);
+
+ case IDumpstateDevice::DumpstateMode::DEFAULT:
+ return dumpstateBoardImpl(fd, false);
+
+ case IDumpstateDevice::DumpstateMode::INTERACTIVE:
+ case IDumpstateDevice::DumpstateMode::REMOTE:
+ case IDumpstateDevice::DumpstateMode::WEAR:
+ case IDumpstateDevice::DumpstateMode::CONNECTIVITY:
+ case IDumpstateDevice::DumpstateMode::WIFI:
+ case IDumpstateDevice::DumpstateMode::PROTO:
+ return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ERROR_UNSUPPORTED_MODE,
+ "Unsupported mode");
+
+ default:
+ return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+ "Invalid mode");
+ }
+
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Dumpstate::getVerboseLoggingEnabled(bool* _aidl_return) {
+ *_aidl_return = getVerboseLoggingEnabledImpl();
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Dumpstate::setVerboseLoggingEnabled(bool in_enable) {
+ ::android::base::SetProperty(kVerboseLoggingProperty, in_enable ? "true" : "false");
+ return ndk::ScopedAStatus::ok();
+}
+
+bool Dumpstate::getVerboseLoggingEnabledImpl() {
+ return ::android::base::GetBoolProperty(kVerboseLoggingProperty, false);
+}
+
+ndk::ScopedAStatus Dumpstate::dumpstateBoardImpl(const int fd, const bool full) {
+ ALOGD("DumpstateDevice::dumpstateBoard() FD: %d\n", fd);
+
+ dprintf(fd, "verbose logging: %s\n", getVerboseLoggingEnabledImpl() ? "enabled" : "disabled");
+ dprintf(fd, "[%s] %s\n", (full ? "full" : "default"), "Hello, world!");
+
+ // Shows an example on how to use the libdumpstateutil API.
+ DumpFileToFd(fd, "cmdline", "/proc/self/cmdline");
+
+ return ndk::ScopedAStatus::ok();
+}
+
+} // namespace dumpstate
+} // namespace hardware
+} // namespace android
+} // namespace aidl
diff --git a/dumpstate/aidl/default/Dumpstate.h b/dumpstate/aidl/default/Dumpstate.h
new file mode 100644
index 0000000..0629831
--- /dev/null
+++ b/dumpstate/aidl/default/Dumpstate.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/dumpstate/BnDumpstateDevice.h>
+#include <aidl/android/hardware/dumpstate/IDumpstateDevice.h>
+#include <android/binder_status.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace dumpstate {
+
+class Dumpstate : public BnDumpstateDevice {
+ private:
+ bool getVerboseLoggingEnabledImpl();
+ ::ndk::ScopedAStatus dumpstateBoardImpl(const int fd, const bool full);
+
+ public:
+ ::ndk::ScopedAStatus dumpstateBoard(const std::vector<::ndk::ScopedFileDescriptor>& in_fds,
+ IDumpstateDevice::DumpstateMode in_mode,
+ int64_t in_timeoutMillis) override;
+
+ ::ndk::ScopedAStatus getVerboseLoggingEnabled(bool* _aidl_return) override;
+
+ ::ndk::ScopedAStatus setVerboseLoggingEnabled(bool in_enable) override;
+};
+
+} // namespace dumpstate
+} // namespace hardware
+} // namespace android
+} // namespace aidl
diff --git a/dumpstate/aidl/default/dumpstate-default.rc b/dumpstate/aidl/default/dumpstate-default.rc
new file mode 100644
index 0000000..4d011dd
--- /dev/null
+++ b/dumpstate/aidl/default/dumpstate-default.rc
@@ -0,0 +1,7 @@
+service vendor.dumpstate-default /vendor/bin/hw/android.hardware.dumpstate-service.example
+ class hal
+ user nobody
+ group nobody
+ interface aidl android.hardware.dumpstate.IDumpstateDevice/default
+ oneshot
+ disabled
diff --git a/dumpstate/aidl/default/dumpstate-default.xml b/dumpstate/aidl/default/dumpstate-default.xml
new file mode 100644
index 0000000..877aeed
--- /dev/null
+++ b/dumpstate/aidl/default/dumpstate-default.xml
@@ -0,0 +1,8 @@
+<manifest version="1.0" type="device">
+ <hal format="aidl">
+ <name>android.hardware.dumpstate</name>
+ <version>1</version>
+ <fqname>IDumpstateDevice/default</fqname>
+ </hal>
+</manifest>
+
diff --git a/dumpstate/aidl/default/main.cpp b/dumpstate/aidl/default/main.cpp
new file mode 100644
index 0000000..2451752
--- /dev/null
+++ b/dumpstate/aidl/default/main.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include "Dumpstate.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::android::hardware::dumpstate::Dumpstate;
+
+int main() {
+ ABinderProcess_setThreadPoolMaxThreadCount(0);
+ std::shared_ptr<Dumpstate> dumpstate = ndk::SharedRefBase::make<Dumpstate>();
+
+ const std::string instance = std::string() + Dumpstate::descriptor + "/default";
+ binder_status_t status =
+ AServiceManager_registerLazyService(dumpstate->asBinder().get(), instance.c_str());
+ CHECK(status == STATUS_OK);
+
+ ABinderProcess_joinThreadPool();
+ return EXIT_FAILURE; // Unreachable
+}