| /* |
| * Copyright (C) 2020 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. |
| */ |
| |
| #include "chre/platform/platform_debug_dump_manager.h" |
| |
| #include "chre/core/event_loop_manager.h" |
| #include "chre/platform/log.h" |
| #include "chre/target_platform/host_link_base.h" |
| #include "chre/target_platform/platform_debug_dump_manager_base.h" |
| #include "chre/util/macros.h" |
| |
| #ifdef CHPP_DEBUG_DUMP_ENABLED |
| #include "chpp/platform/chpp_init.h" |
| #endif // CHPP_DEBUG_DUMP_ENABLED |
| |
| #ifdef CHRE_ENABLE_ASH_DEBUG_DUMP |
| #include "ash/debug.h" |
| #else // CHRE_ENABLE_ASH_DEBUG_DUMP |
| #include <cstring> |
| #endif // CHRE_ENABLE_ASH_DEBUG_DUMP |
| |
| namespace chre { |
| namespace { |
| |
| #ifdef CHRE_ENABLE_ASH_DEBUG_DUMP |
| void onDebugDumpTriggered(void * /*cookie*/, uint32_t handle) { |
| auto &debugDumpManager = |
| EventLoopManagerSingleton::get()->getDebugDumpManager(); |
| |
| debugDumpManager.setHandle(handle); |
| debugDumpManager.trigger(); |
| } |
| |
| void debugDumpReadyCb(void * /*cookie*/, const char *debugStr, |
| size_t debugStrSize, bool complete) { |
| EventLoopManagerSingleton::get()->getDebugDumpManager().sendDebugDumpResult( |
| debugStr, debugStrSize, complete); |
| } |
| #endif // CHRE_ENABLE_ASH_DEBUG_DUMP |
| |
| } // namespace |
| |
| void PlatformDebugDumpManager::sendDebugDump(const char *debugStr, |
| bool complete) { |
| // DDM is guaranteed to call complete=true at the end of a debug dump session. |
| // However, sendDebugDumpResult may not get called with complete=true, for |
| // example when ASH times out. Therefore, mDataCount has to be reset here |
| // instead of in sendDebugDumpResult(), to properly start the next debug dump |
| // session. |
| if (mComplete) { |
| mDataCount = 0; |
| } |
| mComplete = complete; |
| |
| #ifdef CHRE_ENABLE_ASH_DEBUG_DUMP |
| ashCommitDebugDump(mHandle, debugStr, complete); |
| #else // CHRE_ENABLE_ASH_DEBUG_DUMP |
| sendDebugDumpResult(debugStr, strlen(debugStr), complete); |
| #endif // CHRE_ENABLE_ASH_DEBUG_DUMP |
| } |
| |
| void PlatformDebugDumpManager::logStateToBuffer(DebugDumpWrapper &debugDump) { |
| #ifdef CHPP_DEBUG_DUMP_ENABLED |
| chpp::logStateToBuffer(debugDump); |
| #else |
| UNUSED_VAR(debugDump); |
| #endif // CHPP_DEBUG_DUMP_ENABLED |
| } |
| |
| PlatformDebugDumpManagerBase::PlatformDebugDumpManagerBase() { |
| #ifdef CHRE_ENABLE_ASH_DEBUG_DUMP |
| if (!ashRegisterDebugDumpCallback("CHRE", onDebugDumpTriggered, |
| nullptr /* cookie */)) { |
| LOGE("Failed to register ASH debug dump callback"); |
| } |
| #endif // CHRE_ENABLE_ASH_DEBUG_DUMP |
| } |
| |
| PlatformDebugDumpManagerBase::~PlatformDebugDumpManagerBase() { |
| #ifdef CHRE_ENABLE_ASH_DEBUG_DUMP |
| ashUnregisterDebugDumpCallback(onDebugDumpTriggered); |
| #endif // CHRE_ENABLE_ASH_DEBUG_DUMP |
| } |
| |
| bool PlatformDebugDumpManagerBase::onDebugDumpRequested(uint16_t hostClientId) { |
| mHostClientId = hostClientId; |
| |
| #ifdef CHRE_ENABLE_ASH_DEBUG_DUMP |
| return ashTriggerDebugDump(debugDumpReadyCb, nullptr /*cookie*/); |
| #else // CHRE_ENABLE_ASH_DEBUG_DUMP |
| EventLoopManagerSingleton::get()->getDebugDumpManager().trigger(); |
| return true; |
| #endif // CHRE_ENABLE_ASH_DEBUG_DUMP |
| } |
| |
| void PlatformDebugDumpManagerBase::sendDebugDumpResult(const char *debugStr, |
| size_t debugStrSize, |
| bool complete) { |
| if (debugStrSize > 0) { |
| mDataCount++; |
| } |
| sendDebugDumpResultToHost(mHostClientId, debugStr, debugStrSize, complete, |
| mDataCount); |
| } |
| |
| } // namespace chre |