| /* |
| * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| #include "precompiled.hpp" |
| #include "logging/logDecorators.hpp" |
| #include "logging/logDecorations.hpp" |
| #include "logging/logFileStreamOutput.hpp" |
| #include "logging/logMessageBuffer.hpp" |
| #include "memory/allocation.inline.hpp" |
| #include "prims/jvm.h" |
| |
| static bool initialized; |
| static union { |
| char stdoutmem[sizeof(LogStdoutOutput)]; |
| jlong dummy; |
| } aligned_stdoutmem; |
| static union { |
| char stderrmem[sizeof(LogStderrOutput)]; |
| jlong dummy; |
| } aligned_stderrmem; |
| |
| LogStdoutOutput &StdoutLog = reinterpret_cast<LogStdoutOutput&>(aligned_stdoutmem.stdoutmem); |
| LogStderrOutput &StderrLog = reinterpret_cast<LogStderrOutput&>(aligned_stderrmem.stderrmem); |
| |
| LogFileStreamInitializer::LogFileStreamInitializer() { |
| if (!initialized) { |
| ::new (&StdoutLog) LogStdoutOutput(); |
| ::new (&StderrLog) LogStderrOutput(); |
| initialized = true; |
| } |
| } |
| |
| int LogFileStreamOutput::write_decorations(const LogDecorations& decorations) { |
| int total_written = 0; |
| |
| for (uint i = 0; i < LogDecorators::Count; i++) { |
| LogDecorators::Decorator decorator = static_cast<LogDecorators::Decorator>(i); |
| if (!_decorators.is_decorator(decorator)) { |
| continue; |
| } |
| |
| int written = jio_fprintf(_stream, "[%-*s]", |
| _decorator_padding[decorator], |
| decorations.decoration(decorator)); |
| if (written <= 0) { |
| return -1; |
| } else if (static_cast<size_t>(written - 2) > _decorator_padding[decorator]) { |
| _decorator_padding[decorator] = written - 2; |
| } |
| total_written += written; |
| } |
| return total_written; |
| } |
| |
| int LogFileStreamOutput::write(const LogDecorations& decorations, const char* msg) { |
| const bool use_decorations = !_decorators.is_empty(); |
| |
| int written = 0; |
| os::flockfile(_stream); |
| if (use_decorations) { |
| written += write_decorations(decorations); |
| written += jio_fprintf(_stream, " "); |
| } |
| written += jio_fprintf(_stream, "%s\n", msg); |
| fflush(_stream); |
| os::funlockfile(_stream); |
| |
| return written; |
| } |
| |
| int LogFileStreamOutput::write(LogMessageBuffer::Iterator msg_iterator) { |
| const bool use_decorations = !_decorators.is_empty(); |
| |
| int written = 0; |
| os::flockfile(_stream); |
| for (; !msg_iterator.is_at_end(); msg_iterator++) { |
| if (use_decorations) { |
| written += write_decorations(msg_iterator.decorations()); |
| written += jio_fprintf(_stream, " "); |
| } |
| written += jio_fprintf(_stream, "%s\n", msg_iterator.message()); |
| } |
| fflush(_stream); |
| os::funlockfile(_stream); |
| |
| return written; |
| } |