| /* |
| * Copyright (C) 2016 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 |
| |
| #ifndef SECTIONS_H |
| #define SECTIONS_H |
| |
| #include "Reporter.h" |
| |
| #include <stdarg.h> |
| #include <map> |
| |
| #include <utils/String16.h> |
| #include <utils/String8.h> |
| #include <utils/Vector.h> |
| |
| using namespace android; |
| |
| const int64_t REMOTE_CALL_TIMEOUT_MS = 10 * 1000; // 10 seconds |
| |
| /** |
| * Base class for sections |
| */ |
| class Section { |
| public: |
| const int id; |
| const int64_t timeoutMs; // each section must have a timeout |
| String8 name; |
| |
| Section(int id, const int64_t timeoutMs = REMOTE_CALL_TIMEOUT_MS); |
| virtual ~Section(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const = 0; |
| }; |
| |
| /** |
| * Section that generates incident headers. |
| */ |
| class HeaderSection : public Section { |
| public: |
| HeaderSection(); |
| virtual ~HeaderSection(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const; |
| }; |
| |
| /** |
| * Section that generates incident metadata. |
| */ |
| class MetadataSection : public Section { |
| public: |
| MetadataSection(); |
| virtual ~MetadataSection(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const; |
| }; |
| |
| /** |
| * Section that reads in a file. |
| */ |
| class FileSection : public Section { |
| public: |
| FileSection(int id, const char* filename, const int64_t timeoutMs = 5000 /* 5 seconds */); |
| virtual ~FileSection(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const; |
| |
| private: |
| const char* mFilename; |
| bool mIsSysfs; // sysfs files are pollable but return POLLERR by default, handle it separately |
| }; |
| |
| /** |
| * Section that reads in a file and gzips the content. |
| */ |
| class GZipSection : public Section { |
| public: |
| GZipSection(int id, const char* filename, ...); |
| virtual ~GZipSection(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const; |
| |
| private: |
| // It looks up the content from multiple files and stops when the first one is available. |
| const char** mFilenames; |
| }; |
| |
| /** |
| * Base class for sections that call a command that might need a timeout. |
| */ |
| class WorkerThreadSection : public Section { |
| public: |
| WorkerThreadSection(int id); |
| virtual ~WorkerThreadSection(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const; |
| |
| virtual status_t BlockingCall(int pipeWriteFd) const = 0; |
| }; |
| |
| /** |
| * Section that forks and execs a command, and puts stdout as the section. |
| */ |
| class CommandSection : public Section { |
| public: |
| CommandSection(int id, const int64_t timeoutMs, const char* command, ...); |
| |
| CommandSection(int id, const char* command, ...); |
| |
| virtual ~CommandSection(); |
| |
| virtual status_t Execute(ReportRequestSet* requests) const; |
| |
| private: |
| const char** mCommand; |
| }; |
| |
| /** |
| * Section that calls dumpsys on a system service. |
| */ |
| class DumpsysSection : public WorkerThreadSection { |
| public: |
| DumpsysSection(int id, const char* service, ...); |
| virtual ~DumpsysSection(); |
| |
| virtual status_t BlockingCall(int pipeWriteFd) const; |
| |
| private: |
| String16 mService; |
| Vector<String16> mArgs; |
| }; |
| |
| /** |
| * Section that reads from logd. |
| */ |
| class LogSection : public WorkerThreadSection { |
| // global last log retrieved timestamp for each log_id_t. |
| static map<log_id_t, log_time> gLastLogsRetrieved; |
| |
| public: |
| LogSection(int id, log_id_t logID); |
| virtual ~LogSection(); |
| |
| virtual status_t BlockingCall(int pipeWriteFd) const; |
| |
| private: |
| log_id_t mLogID; |
| bool mBinary; |
| }; |
| |
| #endif // SECTIONS_H |