/* * Copyright (C) 2017 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. */ #ifndef FRAMEWORK_NATIVE_CMDS_LSHAL_LIST_COMMAND_H_ #define FRAMEWORK_NATIVE_CMDS_LSHAL_LIST_COMMAND_H_ #include <stdint.h> #include <fstream> #include <string> #include <vector> #include <android-base/macros.h> #include <android/hidl/manager/1.0/IServiceManager.h> #include "NullableOStream.h" #include "TableEntry.h" #include "utils.h" namespace android { namespace lshal { class Lshal; class ListCommand { public: ListCommand(Lshal &lshal); Status main(const std::string &command, const Arg &arg); private: Status parseArgs(const std::string &command, const Arg &arg); Status fetch(); void postprocess(); void dump(); void putEntry(TableEntrySource source, TableEntry &&entry); Status fetchPassthrough(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager); Status fetchBinderized(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager); Status fetchAllLibraries(const sp<::android::hidl::manager::V1_0::IServiceManager> &manager); bool getReferencedPids( pid_t serverPid, std::map<uint64_t, Pids> *objects) const; void dumpTable(); void dumpVintf() const; void printLine( const std::string &interfaceName, const std::string &transport, const std::string &arch, const std::string &server, const std::string &serverCmdline, const std::string &address, const std::string &clients, const std::string &clientCmdlines) const ; // Return /proc/{pid}/cmdline if it exists, else empty string. const std::string &getCmdline(pid_t pid); // Call getCmdline on all pid in pids. If it returns empty string, the process might // have died, and the pid is removed from pids. void removeDeadProcesses(Pids *pids); void forEachTable(const std::function<void(Table &)> &f); void forEachTable(const std::function<void(const Table &)> &f) const; Lshal &mLshal; Table mServicesTable{}; Table mPassthroughRefTable{}; Table mImplementationsTable{}; NullableOStream<std::ostream> mErr; NullableOStream<std::ostream> mOut; NullableOStream<std::ofstream> mFileOutput = nullptr; TableEntryCompare mSortColumn = nullptr; TableEntrySelect mSelectedColumns = 0; // If true, cmdlines will be printed instead of pid. bool mEnableCmdlines = false; // If true, calls IBase::debug(...) on each service. bool mEmitDebugInfo = false; bool mVintf = false; // If an entry does not exist, need to ask /proc/{pid}/cmdline to get it. // If an entry exist but is an empty string, process might have died. // If an entry exist and not empty, it contains the cached content of /proc/{pid}/cmdline. std::map<pid_t, std::string> mCmdlines; DISALLOW_COPY_AND_ASSIGN(ListCommand); }; } // namespace lshal } // namespace android #endif // FRAMEWORK_NATIVE_CMDS_LSHAL_LIST_COMMAND_H_