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