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#include "include/easylogging++.h"
#include "include/MESA_handle_logger.h"
#include <stdio.h>
#include <stdarg.h>
#include <cassert>
#include <unistd.h>
INITIALIZE_EASYLOGGINGPP;
#define LOGMSG_MAX_LEN 4096
#define MAX_FILE_PATH_LEN 256
#ifdef __cplusplus
extern "C"{
#endif
struct runtime_log_handle{
el::Logger* logger;
el::Configurations* conf;
};
void* create_handle_helper(el::Logger* logger, el::Configurations* conf);
int level_trans_helper(int level, el::Level& el_level);
int conf_trans_helper(const char* key, el::ConfigurationType& el_conf_type);
void set_default_conf(el::Configurations* conf);
void* create_handle_helper(el::Logger* logger, el::Configurations* conf){
el::Loggers::reconfigureLogger(logger, *conf);
struct runtime_log_handle* handle = (struct runtime_log_handle*)malloc(sizeof(struct runtime_log_handle));
handle->logger = logger;
handle->conf = conf;
return (void*)handle;
}
void set_default_conf(el::Configurations* conf){
conf->set(el::Level::Global, el::ConfigurationType::Enabled, "true");
conf->set(el::Level::Global, el::ConfigurationType::ToFile, "true");
conf->set(el::Level::Global, el::ConfigurationType::ToStandardOutput, "false");
conf->set(el::Level::Global, el::ConfigurationType::Format, "[%level|%datetime{%Y-%M-%d %H:%m:%s}]: %msg");
conf->set(el::Level::Debug, el::ConfigurationType::Filename, "./log/debug_log_%datetime{%Y-%M-%d}");
conf->set(el::Level::Info, el::ConfigurationType::Filename, "./log/info_log_%datetime{%Y-%M-%d}");
conf->set(el::Level::Fatal, el::ConfigurationType::Filename, "./log/fatal_log_%datetime{%Y-%M-%d}");
}
std::string get_logger_id_by_hash(const char* str){
std::string str1(str);
std::hash<std::string> h;
int n = h(str1);
std::string logger_id = std::to_string(n);
return logger_id;
}
void* MESA_create_runtime_log_handle(const char *file_path, int level){
if(file_path == NULL){
return NULL;
}
if(level != RLOG_LV_DEBUG && level != RLOG_LV_INFO && level != RLOG_LV_FATAL){
return NULL;
}
el::Loggers::addFlag(el::LoggingFlag::DisableApplicationAbortOnFatalLog);
std::string logger_id = get_logger_id_by_hash(file_path);
el::Logger* logger = el::Loggers::getLogger(logger_id);
el::Configurations* default_conf = new el::Configurations();
void* handle = NULL;
char* conf_file_path = getenv("MESA_HANDLE_LOGGER_CONF_PATH");
if(conf_file_path == NULL){
set_default_conf(default_conf);
if(level>RLOG_LV_DEBUG){
default_conf->set(el::Level::Debug,el::ConfigurationType::Enabled, "false");
}
if(level>RLOG_LV_INFO){
default_conf->set(el::Level::Info,el::ConfigurationType::Enabled, "false");
}
char file_path1[MAX_FILE_PATH_LEN];
strcpy(file_path1, file_path);
strcat(file_path1, "_%datetime{%Y-%M-%d}");
default_conf->set(el::Level::Global, el::ConfigurationType::Filename, file_path1);
handle = create_handle_helper(logger, default_conf);
}
else{
if(access(conf_file_path, R_OK) == -1){
return NULL;
}
handle = create_handle_helper(logger, default_conf);
int rtn = MESA_read_runtime_log_handle_conf(handle, conf_file_path);
if(rtn == -1){
return NULL;
}
}
return handle;
}
void* MESA_create_runtime_log_handle_new(const char *logger_id){
if(logger_id == NULL){
return NULL;
}
el::Loggers::addFlag(el::LoggingFlag::DisableApplicationAbortOnFatalLog);
std::string logger_id1(logger_id);
el::Logger* logger = el::Loggers::getLogger(logger_id1);
el::Configurations* default_conf = new el::Configurations();
set_default_conf(default_conf);
return create_handle_helper(logger, default_conf);
}
int level_trans_helper(int level, el::Level& el_level){
struct level_trans_item {
int level;
el::Level el_level;
};
static struct level_trans_item level_trans_map[] = {
{ RLOG_LV_DEBUG, el::Level::Debug },
{ RLOG_LV_INFO, el::Level::Info },
{ RLOG_LV_FATAL, el::Level::Fatal }
};
for(auto item : level_trans_map){
if(item.level == level){
el_level = item.el_level;
return 0;
}
}
return -1;
}
int conf_trans_helper(const char* key, el::ConfigurationType& el_conf_type){
if(key == NULL){
return -1;
}
struct conf_trans_item{
const char* key;
el::ConfigurationType conf_type;
};
static struct conf_trans_item conf_trans_map[] = {
{ "enabled", el::ConfigurationType::Enabled },
{ "to_file", el::ConfigurationType::ToFile },
{ "to_standard_output", el::ConfigurationType::ToStandardOutput },
{ "format", el::ConfigurationType::Format },
{ "file_name", el::ConfigurationType::Filename },
{ "max_log_file_size", el::ConfigurationType::MaxLogFileSize},
{ "sub_second_precision", el::ConfigurationType::SubsecondPrecision },
{ "performance_tracking", el::ConfigurationType::PerformanceTracking},
{ "log_flush_threshold", el::ConfigurationType::LogFlushThreshold },
};
for(auto item : conf_trans_map){
if(strcmp(key, item.key) == 0){
el_conf_type = item.conf_type;
return 0;
}
}
return -1;
}
int MESA_read_runtime_log_handle_conf(void* handle, const char* conf_file_path){
if(handle == NULL || conf_file_path == NULL){
return -1;
}
struct runtime_log_handle* handle1 = (struct runtime_log_handle*)handle;
delete(handle1->conf);
el::Configurations* conf = new el::Configurations(conf_file_path);
handle1->conf = conf;
el::Loggers::reconfigureLogger(handle1->logger, *(handle1->conf));
return 0;
}
int MESA_set_runtime_log_handle_opt(void* handle, int level, const char* key, const char* value){
el::Level el_level;
int level_trans_rtn = level_trans_helper(level, el_level);
if(level_trans_rtn == -1){
return -1;
}
el::ConfigurationType el_conf_type;
int conf_trans_rtn = conf_trans_helper(key, el_conf_type);
if(conf_trans_rtn == -1){
return -1;
}
struct runtime_log_handle* handle1 = (struct runtime_log_handle*)handle;
(handle1->conf)->set(el_level, el_conf_type, value);
el::Loggers::reconfigureLogger(handle1->logger, *(handle1->conf));
return 0;
}
void MESA_handle_runtime_log(void* handle, int level, const char* module, const char* fmt, ...){
assert(handle != NULL);
assert(level == RLOG_LV_FATAL || level == RLOG_LV_INFO || level == RLOG_LV_DEBUG);
struct runtime_log_handle* handle1 = (struct runtime_log_handle*)handle;
el::Logger* logger = handle1->logger;
va_list ap;
va_start(ap, fmt);
char buf[LOGMSG_MAX_LEN];
char* buf1 = buf;
if(module != NULL){
strcpy(buf1, module);
buf1 += strlen(module);
strcpy(buf1, ", ");
buf1 += 2;
vsprintf(buf1,fmt,ap);
}
switch(level){
case RLOG_LV_FATAL:
logger->fatal(buf);
break;
case RLOG_LV_INFO:
logger->info(buf);
break;
case RLOG_LV_DEBUG:
logger->debug(buf);
break;
}
}
void MESA_destroy_runtime_log_handle(void* handle){
if(handle != NULL){
struct runtime_log_handle* handle1 = (struct runtime_log_handle*)handle;
el::Configurations* conf = handle1->conf;
delete(conf);
free(handle);
handle = NULL;
}
return;
}
#ifdef __cplusplus
}
#endif
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