mirror of https://gitee.com/bigwinds/arangodb
127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#include "Logger/LogAppenderSyslog.h"
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using namespace arangodb;
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#ifdef ARANGODB_ENABLE_SYSLOG
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// we need to define SYSLOG_NAMES for linux to get a list of names
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#define SYSLOG_NAMES
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#include <syslog.h>
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#ifdef ARANGODB_ENABLE_SYSLOG_STRINGS
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#include "syslog_names.h"
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#endif
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#include <cstring>
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#include "Basics/MutexLocker.h"
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#include "Basics/StringUtils.h"
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using namespace arangodb::basics;
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bool LogAppenderSyslog::_opened(false);
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void LogAppenderSyslog::close() {
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if (_opened) {
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_opened = false;
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::closelog();
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}
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}
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LogAppenderSyslog::LogAppenderSyslog(std::string const& facility,
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std::string const& name, std::string const& filter)
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: LogAppender(filter) {
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// no logging
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std::string sysname = name.empty() ? "[arangod]" : name;
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// find facility
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int value = LOG_LOCAL0;
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if ('0' <= facility[0] && facility[0] <= '9') {
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value = StringUtils::int32(facility);
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} else {
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CODE* ptr = reinterpret_cast<CODE*>(facilitynames);
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while (ptr->c_name != nullptr) {
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if (strcmp(ptr->c_name, facility.c_str()) == 0) {
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value = ptr->c_val;
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break;
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}
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++ptr;
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}
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}
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// and open logging, openlog does not have a return value...
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::openlog(sysname.c_str(), LOG_CONS | LOG_PID, value);
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_opened = true;
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}
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void LogAppenderSyslog::logMessage(LogLevel level, std::string const& message, size_t offset) {
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int priority = LOG_ERR;
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switch (level) {
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case LogLevel::FATAL:
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priority = LOG_CRIT;
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break;
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case LogLevel::ERR:
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priority = LOG_ERR;
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break;
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case LogLevel::WARN:
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priority = LOG_WARNING;
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break;
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case LogLevel::DEFAULT:
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case LogLevel::INFO:
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priority = LOG_NOTICE;
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break;
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case LogLevel::DEBUG:
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priority = LOG_INFO;
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break;
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case LogLevel::TRACE:
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priority = LOG_DEBUG;
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break;
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}
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if (_opened) {
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::syslog(priority, "%s", message.c_str() + offset);
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}
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}
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std::string LogAppenderSyslog::details() {
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return "More error details may be provided in the syslog";
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}
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#else
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LogAppenderSyslog::LogAppenderSyslog(std::string const& facility,
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std::string const& name, std::string const& filter)
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: LogAppender(filter) {
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std::abort();
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}
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void LogAppenderSyslog::close() {}
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#endif
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