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8046148: JEP 158: Unified JVM Logging

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Reviewed-by: coleenp, sla
This commit is contained in:
Marcus Larsson 2015-09-24 12:36:04 +02:00
parent 0835a6e311
commit 3c2211a492
39 changed files with 2842 additions and 6 deletions
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62
hotspot/src/share/vm/logging/logFileStreamOutput.cpp Normal file
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/*
* Copyright (c) 2015, 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 "memory/allocation.inline.hpp"
LogStdoutOutput LogStdoutOutput::_instance;
LogStderrOutput LogStderrOutput::_instance;
int LogFileStreamOutput::write(const LogDecorations& decorations, const char* msg) {
char decoration_buf[LogDecorations::DecorationsBufferSize];
char* position = decoration_buf;
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_snprintf(position, sizeof(decoration_buf) - total_written, "[%-*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;
}
position += written;
total_written += written;
}
if (total_written == 0) {
total_written = jio_fprintf(_stream, "%s\n", msg);
} else {
total_written = jio_fprintf(_stream, "%s %s\n", decoration_buf, msg);
}
fflush(_stream);
return total_written;
}