milvus/cpp/src/main.cpp
kun yu 48064dfdee add grpc
Former-commit-id: aee405b98f44290051fe022387c42bcb6d68cc76
2019-07-22 10:14:23 +08:00

119 lines
4.2 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
// Unauthorized copying of this file, via any medium is strictly prohibited.
// Proprietary and confidential.
////////////////////////////////////////////////////////////////////////////////
//#include "server/Server.h"
#include "grpcserver/Server.h"
#include "version.h"
#include <getopt.h>
#include <libgen.h>
#include <cstring>
#include <string>
#include <signal.h>
#include <easylogging++.h>
#include "metrics/Metrics.h"
#include "utils/SignalUtil.h"
#include "utils/CommonUtil.h"
#include "utils/LogUtil.h"
INITIALIZE_EASYLOGGINGPP
void print_help(const std::string &app_name);
using namespace zilliz::milvus;
int
main(int argc, char *argv[]) {
std::cout << std::endl << "Welcome to use Milvus by Zilliz!" << std::endl;
std::cout << "Milvus " << BUILD_TYPE << " version: v" << MILVUS_VERSION << " built at " << BUILD_TIME << std::endl;
signal(SIGINT, server::SignalUtil::HandleSignal);
signal(SIGSEGV, server::SignalUtil::HandleSignal);
signal(SIGUSR1, server::SignalUtil::HandleSignal);
signal(SIGUSR2, server::SignalUtil::HandleSignal);
std::string app_name = basename(argv[0]);
static struct option long_options[] = {{"conf_file", required_argument, 0, 'c'},
{"log_conf_file", required_argument, 0, 'l'},
{"help", no_argument, 0, 'h'},
{"daemon", no_argument, 0, 'd'},
{"pid_file", required_argument, 0, 'p'},
{NULL, 0, 0, 0}};
int option_index = 0;
int64_t start_daemonized = 0;
// int pid_fd;
std::string config_filename, log_config_file;
std::string pid_filename;
app_name = argv[0];
if(argc < 2) {
print_help(app_name);
std::cout << "Milvus server exit..." << std::endl;
return EXIT_FAILURE;
}
int value;
while ((value = getopt_long(argc, argv, "c:l:p:dh", long_options, &option_index)) != -1) {
switch (value) {
case 'c': {
char *config_filename_ptr = strdup(optarg);
config_filename = config_filename_ptr;
free(config_filename_ptr);
std::cout << "Loading configuration from: " << config_filename << std::endl;
break;
}
case 'l': {
char *log_filename_ptr = strdup(optarg);
log_config_file = log_filename_ptr;
free(log_filename_ptr);
std::cout << "Initial log config from: " << log_config_file << std::endl;
break;
}
case 'p': {
char *pid_filename_ptr = strdup(optarg);
pid_filename = pid_filename_ptr;
free(pid_filename_ptr);
std::cout << pid_filename << std::endl;
break;
}
case 'd':
start_daemonized = 1;
break;
case 'h':
print_help(app_name);
return EXIT_SUCCESS;
case '?':
print_help(app_name);
return EXIT_FAILURE;
default:
print_help(app_name);
break;
}
}
zilliz::milvus::server::InitLog(log_config_file);
server::Server* server_ptr = server::Server::Instance();
server_ptr->Init(start_daemonized, pid_filename, config_filename);
return server_ptr->Start();
}
void
print_help(const std::string &app_name) {
std::cout << std::endl<< "Usage: " << app_name << " [OPTIONS]" << std::endl << std::endl;
std::cout << " Options:" << std::endl;
std::cout << " -h --help Print this help" << std::endl;
std::cout << " -c --conf_file filename Read configuration from the file" << std::endl;
std::cout << " -d --daemon Daemonize this application" << std::endl;
std::cout << " -p --pid_file filename PID file used by daemonized app" << std::endl;
std::cout << std::endl;
}