+ Create a thread-safe LogEventQueue to buffer log events. + The socket listner thread will read from socket and write to the buffer as quickly as possible to minimize the data loss in socket. + All pushed data is fetched from the the buffer and processed in a dedicated thread. After an event is fetched from the queue, we no longer block the socket listener thread. + Report event queue stats via statsdstats, including the min and max queue event history span in the queue (to understand how slow statsd can be and how fast the events can be) Bug: 119031518 Test: unit tests added in statsd_test Change-Id: I6b65ed9a678935b2e24302ba4b36e69c157adde4
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
// Copyright (C) 2017 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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#include "StatsService.h"
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#include "config/ConfigKey.h"
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#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <stdio.h>
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using namespace android;
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using namespace testing;
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namespace android {
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namespace os {
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namespace statsd {
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using android::util::ProtoOutputStream;
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#ifdef __ANDROID__
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TEST(StatsServiceTest, TestAddConfig_simple) {
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StatsService service(nullptr, nullptr);
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StatsdConfig config;
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config.set_id(12345);
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string serialized = config.SerializeAsString();
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EXPECT_TRUE(
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service.addConfigurationChecked(123, 12345, {serialized.begin(), serialized.end()}));
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}
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TEST(StatsServiceTest, TestAddConfig_empty) {
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StatsService service(nullptr, nullptr);
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string serialized = "";
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EXPECT_TRUE(
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service.addConfigurationChecked(123, 12345, {serialized.begin(), serialized.end()}));
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}
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TEST(StatsServiceTest, TestAddConfig_invalid) {
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StatsService service(nullptr, nullptr);
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string serialized = "Invalid config!";
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EXPECT_FALSE(
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service.addConfigurationChecked(123, 12345, {serialized.begin(), serialized.end()}));
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}
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TEST(StatsServiceTest, TestGetUidFromArgs) {
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Vector<String8> args;
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args.push(String8("-1"));
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args.push(String8("0"));
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args.push(String8("1"));
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args.push(String8("9999999999999999999999999999999999"));
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args.push(String8("a1"));
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args.push(String8(""));
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int32_t uid;
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StatsService service(nullptr, nullptr);
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service.mEngBuild = true;
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// "-1"
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EXPECT_FALSE(service.getUidFromArgs(args, 0, uid));
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// "0"
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EXPECT_TRUE(service.getUidFromArgs(args, 1, uid));
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EXPECT_EQ(0, uid);
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// "1"
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EXPECT_TRUE(service.getUidFromArgs(args, 2, uid));
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EXPECT_EQ(1, uid);
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// "999999999999999999"
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EXPECT_FALSE(service.getUidFromArgs(args, 3, uid));
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// "a1"
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EXPECT_FALSE(service.getUidFromArgs(args, 4, uid));
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// ""
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EXPECT_FALSE(service.getUidFromArgs(args, 5, uid));
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// For a non-userdebug, uid "1" cannot be impersonated.
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service.mEngBuild = false;
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EXPECT_FALSE(service.getUidFromArgs(args, 2, uid));
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}
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#else
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GTEST_LOG_(INFO) << "This test does nothing.\n";
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#endif
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} // namespace statsd
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} // namespace os
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} // namespace android
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