| /* |
| * 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. |
| */ |
| |
| #ifndef FRAMEWORK_NATIVE_CMDS_LSHAL_LSHAL_H_ |
| #define FRAMEWORK_NATIVE_CMDS_LSHAL_LSHAL_H_ |
| |
| #include <stdint.h> |
| |
| #include <fstream> |
| #include <string> |
| #include <vector> |
| |
| #include <android/hidl/manager/1.0/IServiceManager.h> |
| |
| #include "NullableOStream.h" |
| #include "TableEntry.h" |
| |
| namespace android { |
| namespace lshal { |
| |
| enum : unsigned int { |
| OK = 0, |
| USAGE = 1 << 0, |
| NO_BINDERIZED_MANAGER = 1 << 1, |
| NO_PASSTHROUGH_MANAGER = 1 << 2, |
| DUMP_BINDERIZED_ERROR = 1 << 3, |
| DUMP_PASSTHROUGH_ERROR = 1 << 4, |
| DUMP_ALL_LIBS_ERROR = 1 << 5, |
| IO_ERROR = 1 << 6, |
| }; |
| using Status = unsigned int; |
| |
| class Lshal { |
| public: |
| int main(int argc, char **argv); |
| |
| private: |
| Status parseArgs(int argc, char **argv); |
| Status fetch(); |
| void postprocess(); |
| void dump(); |
| void usage() const; |
| 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; |
| |
| Table mServicesTable{}; |
| Table mPassthroughRefTable{}; |
| Table mImplementationsTable{}; |
| |
| NullableOStream<std::ostream> mErr = std::cerr; |
| NullableOStream<std::ostream> mOut = std::cout; |
| NullableOStream<std::ofstream> mFileOutput = nullptr; |
| TableEntryCompare mSortColumn = nullptr; |
| TableEntrySelect mSelectedColumns = 0; |
| // If true, cmdlines will be printed instead of pid. |
| bool mEnableCmdlines = 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; |
| }; |
| |
| |
| } // namespace lshal |
| } // namespace android |
| |
| #endif // FRAMEWORK_NATIVE_CMDS_LSHAL_LSHAL_H_ |