81 lines
2.9 KiB
C++
81 lines
2.9 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/logFileStreamOutput.hpp"
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#include "logging/logOutput.hpp"
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#include "logging/logTagSet.hpp"
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#include "memory/allocation.inline.hpp"
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#include "runtime/mutexLocker.hpp"
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#include "runtime/os.inline.hpp"
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LogOutput* const LogOutput::Stdout = &LogStdoutOutput::_instance;
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LogOutput* const LogOutput::Stderr = &LogStderrOutput::_instance;
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LogOutput::~LogOutput() {
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os::free(_config_string);
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}
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void LogOutput::clear_config_string() {
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os::free(_config_string);
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_config_string_buffer_size = InitialConfigBufferSize;
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_config_string = NEW_C_HEAP_ARRAY(char, _config_string_buffer_size, mtLogging);
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_config_string[0] = '\0';
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}
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void LogOutput::set_config_string(const char* string) {
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os::free(_config_string);
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_config_string = os::strdup(string, mtLogging);
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_config_string_buffer_size = strlen(_config_string) + 1;
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}
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void LogOutput::add_to_config_string(const LogTagSet* ts, LogLevelType level) {
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if (_config_string_buffer_size < InitialConfigBufferSize) {
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_config_string_buffer_size = InitialConfigBufferSize;
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_config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
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}
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size_t offset = strlen(_config_string);
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for (;;) {
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int ret = ts->label(_config_string + offset, _config_string_buffer_size - offset, "+");
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if (ret == -1) {
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// Double the buffer size and retry
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_config_string_buffer_size *= 2;
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_config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
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continue;
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}
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break;
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};
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offset = strlen(_config_string);
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for (;;) {
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int ret = jio_snprintf(_config_string + offset, _config_string_buffer_size - offset, "=%s,", LogLevel::name(level));
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if (ret == -1) {
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_config_string_buffer_size *= 2;
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_config_string = REALLOC_C_HEAP_ARRAY(char, _config_string, _config_string_buffer_size, mtLogging);
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continue;
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}
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break;
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}
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}
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