Merge "[TeX] Introduced Telemetry Express Native Logging Library" am:... (95cc36ab) · Commits · e / os / android_system_core

libstats/expresslog/.clang-format

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		BasedOnStyle: Google
		AllowShortIfStatementsOnASingleLine: true
		AllowShortFunctionsOnASingleLine: false
		AllowShortLoopsOnASingleLine: true
		BinPackArguments: true
		BinPackParameters: true
		ColumnLimit: 100
		CommentPragmas: NOLINT:.*
		ContinuationIndentWidth: 8
		DerivePointerAlignment: false
		IndentWidth: 4
		PointerAlignment: Left
		TabWidth: 4
		AccessModifierOffset: -4
		IncludeCategories:
		- Regex: '^"Log\.h"'
		Priority: -1

libstats/expresslog/Android.bp

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		//
		// Copyright (C) 2023 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 {
		default_applicable_licenses: ["Android-Apache-2.0"],
		}

		cc_library {
		name: "libexpresslog",
		srcs: [
		"Counter.cpp",
		],
		cflags: [
		"-DNAMESPACE_FOR_HASH_FUNCTIONS=farmhash",
		"-Wall",
		"-Werror",
		],
		header_libs: [
		"libtextclassifier_hash_headers",
		],
		static_libs: [
		"libstatslog_express",
		"libtextclassifier_hash_static",
		],
		shared_libs: [
		"libbase",
		"libstatssocket",
		],
		export_include_dirs: ["include"],
		}

		genrule {
		name: "statslog_express.h",
		tools: ["stats-log-api-gen"],
		cmd: "$(location stats-log-api-gen) --header $(genDir)/statslog_express.h --module expresslog --namespace android,expresslog",
		out: [
		"statslog_express.h",
		],
		}

		genrule {
		name: "statslog_express.cpp",
		tools: ["stats-log-api-gen"],
		cmd: "$(location stats-log-api-gen) --cpp $(genDir)/statslog_express.cpp --module expresslog --namespace android,expresslog --importHeader statslog_express.h",
		out: [
		"statslog_express.cpp",
		],
		}

		cc_library_static {
		name: "libstatslog_express",
		generated_sources: ["statslog_express.cpp"],
		generated_headers: ["statslog_express.h"],
		export_generated_headers: ["statslog_express.h"],
		shared_libs: [
		"libstatssocket",
		],
		}

libstats/expresslog/Counter.cpp

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		//
		// Copyright (C) 2023 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 "include/Counter.h"

		#include <statslog_express.h>
		#include <string.h>
		#include <utils/hash/farmhash.h>

		namespace android {
		namespace expresslog {

		void Counter::logIncrement(const char* metricName, int64_t amount) {
		const int64_t metricIdHash = farmhash::Fingerprint64(metricName, strlen(metricName));
		stats_write(EXPRESS_EVENT_REPORTED, metricIdHash, amount);
		}

		} // namespace expresslog
		} // namespace android

libstats/expresslog/include/Counter.h

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		//
		// Copyright (C) 2023 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 <stdint.h>

		namespace android {
		namespace expresslog {

		/** Counter encapsulates StatsD write API calls */
		class Counter final {
		public:
		static void logIncrement(const char* metricId, int64_t amount = 1);
		};

		} // namespace expresslog
		} // namespace android