milvus/cpp/src/utils/LogUtil.cpp
starlord 736ca8e473 MS-578 makesure milvus5.0 dont crack 0.3.1 data
Former-commit-id: 9f801246821d98c4f5d7681252b5dfadf1f94773
2019-09-20 11:33:10 +08:00

100 lines
3.3 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "LogUtil.h"
#include "server/ServerConfig.h"
#include <ctype.h>
#include <string>
#include <libgen.h>
namespace zilliz {
namespace milvus {
namespace server {
namespace {
static int global_idx = 0;
static int debug_idx = 0;
static int warning_idx = 0;
static int trace_idx = 0;
static int error_idx = 0;
static int fatal_idx = 0;
}
// TODO(yzb) : change the easylogging library to get the log level from parameter rather than filename
void RolloutHandler(const char *filename, std::size_t size, el::Level level) {
char *dirc = strdup(filename);
char *basec = strdup(filename);
char *dir = dirname(dirc);
char *base = basename(basec);
std::string s(base);
std::stringstream ss;
std::string
list[] = {"\\", " ", "\'", "\"", "*", "\?", "{", "}", ";", "<", ">", "|", "^", "&", "$", "#", "!", "`", "~"};
std::string::size_type position;
for (auto substr : list) {
position = 0;
while ((position = s.find_first_of(substr, position)) != std::string::npos) {
s.insert(position, "\\");
position += 2;
}
}
int ret;
std::string m(std::string(dir) + "/" + s);
s = m;
if (level == el::Level::Global) {
s.append("." + std::to_string(++global_idx));
ret = rename(m.c_str(), s.c_str());
} else if (level == el::Level::Debug) {
s.append("." + std::to_string(++debug_idx));
ret = rename(m.c_str(), s.c_str());
} else if (level == el::Level::Warning) {
s.append("." + std::to_string(++warning_idx));
ret = rename(m.c_str(), s.c_str());
} else if (level == el::Level::Trace) {
s.append("." + std::to_string(++trace_idx));
ret = rename(m.c_str(), s.c_str());
} else if (level == el::Level::Error) {
s.append("." + std::to_string(++error_idx));
ret = rename(m.c_str(), s.c_str());
} else if (level == el::Level::Fatal) {
s.append("." + std::to_string(++fatal_idx));
ret = rename(m.c_str(), s.c_str());
} else {
s.append("." + std::to_string(++global_idx));
ret = rename(m.c_str(), s.c_str());
}
}
Status InitLog(const std::string &log_config_file) {
el::Configurations conf(log_config_file);
el::Loggers::reconfigureAllLoggers(conf);
el::Loggers::addFlag(el::LoggingFlag::StrictLogFileSizeCheck);
el::Helpers::installPreRollOutCallback(RolloutHandler);
el::Loggers::addFlag(el::LoggingFlag::DisableApplicationAbortOnFatalLog);
return Status::OK();
}
} // server
} // milvus
} // zilliz