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