| /* |
| * Copyright 2014 Google Inc. |
| * |
| * 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. |
| */ |
| |
| // Author: xqyin@google.com (XiaoQian Yin) |
| |
| #include "pagespeed/system/system_message_handler.h" |
| |
| #include <unistd.h> |
| |
| #include "pagespeed/kernel/base/abstract_mutex.h" |
| #include "pagespeed/kernel/base/null_message_handler.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/base/time_util.h" |
| #include "pagespeed/kernel/base/timer.h" |
| #include "pagespeed/kernel/base/writer.h" |
| |
| namespace net_instaweb { |
| |
| SystemMessageHandler::SystemMessageHandler(Timer* timer, AbstractMutex* mutex) |
| : timer_(timer), |
| mutex_(mutex), |
| buffer_(NULL) { |
| SetPidString(static_cast<int64>(getpid())); |
| } |
| |
| SystemMessageHandler::~SystemMessageHandler() { |
| } |
| |
| void SystemMessageHandler::set_buffer(Writer* buff) { |
| ScopedMutex lock(mutex_.get()); |
| buffer_ = buff; |
| } |
| |
| void SystemMessageHandler::AddMessageToBuffer( |
| MessageType type, StringPiece formatted_message) { |
| if (formatted_message.empty()) { |
| return; |
| } |
| GoogleString message; |
| GoogleString time; |
| const char* type_str = MessageTypeToString(type); |
| if (!ConvertTimeToString(timer_->NowMs(), &time)) { |
| time = "?"; |
| } |
| StringPiece type_char = StringPiece(type_str, 1); |
| StringPieceVector lines; |
| SplitStringPieceToVector(formatted_message, "\n", &lines, false); |
| StrAppend(&message, type_char, "[", time, "] [", type_str, "] "); |
| StrAppend(&message, pid_string_, " ", lines[0], "\n"); |
| for (int i = 1, n = lines.size(); i < n; ++i) { |
| StrAppend(&message, type_char, lines[i], "\n"); |
| } |
| { |
| ScopedMutex lock(mutex_.get()); |
| // Cannot write to SharedCircularBuffer before it's set up. |
| if (buffer_ != NULL) { |
| NullMessageHandler null_handler; |
| buffer_->Write(message, &null_handler); |
| } |
| } |
| } |
| |
| void SystemMessageHandler::MessageVImpl(MessageType type, const char* msg, |
| va_list args) { |
| GoogleString buffer; |
| FormatTo(&buffer, msg, args); |
| MessageSImpl(type, buffer); |
| } |
| |
| void SystemMessageHandler::FileMessageVImpl(MessageType type, const char* file, |
| int line, const char* msg, |
| va_list args) { |
| GoogleString buffer; |
| FormatTo(&buffer, msg, args); |
| FileMessageSImpl(type, file, line, buffer); |
| } |
| |
| bool SystemMessageHandler::Dump(Writer* writer) { |
| if (buffer_ == NULL) { |
| return false; |
| } |
| return buffer_->Dump(writer, &internal_handler_); |
| } |
| |
| } // namespace net_instaweb |