mirror of https://gitee.com/bigwinds/arangodb
96 lines
3.1 KiB
C++
96 lines
3.1 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 2004-2014 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 Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#include "RocksDBLogger.h"
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#include "Logger/Logger.h"
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#include <velocypack/StringRef.h>
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using namespace arangodb;
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RocksDBLogger::RocksDBLogger(rocksdb::InfoLogLevel level)
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: rocksdb::Logger(level), _enabled(true) {}
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RocksDBLogger::~RocksDBLogger() {}
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void RocksDBLogger::Logv(const rocksdb::InfoLogLevel logLevel, char const* format, va_list ap) {
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if (logLevel < GetInfoLogLevel()) {
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return;
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}
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if (!_enabled) {
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return;
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}
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static constexpr size_t prefixSize = 9; // strlen("rocksdb: ");
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// truncate all log messages after this length
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char buffer[4096];
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memcpy(&buffer[0], "rocksdb: \0",
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strlen("rocksdb: \0")); // add trailing \0 byte already for safety
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va_list backup;
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va_copy(backup, ap);
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int length = vsnprintf(&buffer[0] + prefixSize,
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sizeof(buffer) - prefixSize - 1, format, backup);
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va_end(backup);
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buffer[sizeof(buffer) - 1] = '\0'; // Windows
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if (length == 0) {
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return;
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}
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size_t l = static_cast<size_t>(length) + prefixSize;
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if (l >= sizeof(buffer)) {
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// truncation!
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l = sizeof(buffer) - 1;
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}
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TRI_ASSERT(l > 0 && l < sizeof(buffer));
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if (buffer[l - 1] == '\n' || buffer[l - 1] == '\0') {
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// strip tailing \n or \0 in log message
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--l;
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}
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switch (logLevel) {
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case rocksdb::InfoLogLevel::DEBUG_LEVEL:
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LOG_TOPIC("299ce", DEBUG, arangodb::Logger::ROCKSDB) << arangodb::velocypack::StringRef(buffer, l);
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break;
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case rocksdb::InfoLogLevel::INFO_LEVEL:
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LOG_TOPIC("45661", INFO, arangodb::Logger::ROCKSDB) << arangodb::velocypack::StringRef(buffer, l);
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break;
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case rocksdb::InfoLogLevel::WARN_LEVEL:
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LOG_TOPIC("2bc83", WARN, arangodb::Logger::ROCKSDB) << arangodb::velocypack::StringRef(buffer, l);
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break;
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case rocksdb::InfoLogLevel::ERROR_LEVEL:
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case rocksdb::InfoLogLevel::FATAL_LEVEL:
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LOG_TOPIC("be9ea", ERR, arangodb::Logger::ROCKSDB) << arangodb::velocypack::StringRef(buffer, l);
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break;
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default: {
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// ignore other levels
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}
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}
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}
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void RocksDBLogger::Logv(char const* format, va_list ap) {
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// forward to the level-aware method
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Logv(rocksdb::InfoLogLevel::INFO_LEVEL, format, ap);
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}
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