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author | Ronghua Wu <ronghuawu@google.com> | 2015-05-07 13:58:22 -0700 |
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committer | Ronghua Wu <ronghuawu@google.com> | 2015-05-07 14:10:19 -0700 |
commit | a8ec8fcf6982ef158daf897faaab3e45285d0bf1 (patch) | |
tree | fe427de81c8f25b5dfd56406a8ed5aa7381a8045 /services/mediaresourcemanager/ServiceLog.cpp | |
parent | 78d9a2e77e8ee153945d93624b01f0525f979299 (diff) | |
download | frameworks_av-a8ec8fcf6982ef158daf897faaab3e45285d0bf1.zip frameworks_av-a8ec8fcf6982ef158daf897faaab3e45285d0bf1.tar.gz frameworks_av-a8ec8fcf6982ef158daf897faaab3e45285d0bf1.tar.bz2 |
mediaresourcemanager: add ServiceLog to track the calling history for dumpsys.
Bug: 20637674
Change-Id: I9d74d98f8eb729a8681877f86419aa2c979f3b7c
Diffstat (limited to 'services/mediaresourcemanager/ServiceLog.cpp')
-rw-r--r-- | services/mediaresourcemanager/ServiceLog.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/services/mediaresourcemanager/ServiceLog.cpp b/services/mediaresourcemanager/ServiceLog.cpp new file mode 100644 index 0000000..be7b308 --- /dev/null +++ b/services/mediaresourcemanager/ServiceLog.cpp @@ -0,0 +1,54 @@ +/* +** +** Copyright 2015, 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. +*/ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "ServiceLog" +#include <utils/Log.h> + +#include <time.h> + +#include "ServiceLog.h" + +static const size_t kDefaultMaxNum = 100; + +namespace android { + +ServiceLog::ServiceLog() : mMaxNum(kDefaultMaxNum) {} +ServiceLog::ServiceLog(size_t maxNum) : mMaxNum(maxNum) {} + +void ServiceLog::add(const String8 &log) { + Mutex::Autolock lock(mLock); + time_t now = time(0); + char buf[64]; + strftime(buf, sizeof(buf), "%m-%d %T", localtime(&now)); + String8 formattedLog = String8::format("%s %s", buf, log.string()); + if (mLogs.add(formattedLog) == mMaxNum) { + mLogs.removeAt(0); + } +} + +String8 ServiceLog::toString() const { + Mutex::Autolock lock(mLock); + String8 result; + for (size_t i = 0; i < mLogs.size(); ++i) { + result.append(mLogs[i]); + result.append("\n"); + } + return result; +} + +} // namespace android |