vitastor/src/osd_main.cpp

72 líneas
1.7 KiB
C++

// Copyright (c) Vitaliy Filippov, 2019+
// License: VNPL-1.1 (see README.md for details)
#include "osd.h"
#include <signal.h>
static osd_t *osd = NULL;
static bool force_stopping = false;
static void handle_sigint(int sig)
{
if (osd && !force_stopping)
{
force_stopping = true;
osd->force_stop(0);
return;
}
exit(0);
}
static const char* help_text =
"Vitastor OSD (block object storage daemon) " VERSION "\n"
"(c) Vitaliy Filippov, 2019+ (VNPL-1.1)\n"
"\n"
"OSDs are usually started by vitastor-disk.\n"
"Manual usage: vitastor-osd [--option value] ...\n"
;
int main(int narg, char *args[])
{
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
if (sizeof(osd_any_op_t) > OSD_PACKET_SIZE ||
sizeof(osd_any_reply_t) > OSD_PACKET_SIZE)
{
perror("BUG: too small packet size");
return 1;
}
json11::Json::object config;
for (int i = 1; i < narg; i++)
{
if (args[i][0] == '-' && args[i][1] == '-' && i < narg-1)
{
char *opt = args[i]+2;
config[std::string(opt)] = std::string(args[++i]);
}
else if (!strcmp(args[i], "--help"))
{
printf("%s", help_text);
return 0;
}
}
if (!config.size())
{
printf("%s", help_text);
return 1;
}
signal(SIGINT, handle_sigint);
signal(SIGTERM, handle_sigint);
ring_loop_t *ringloop = new ring_loop_t(RINGLOOP_DEFAULT_SIZE);
osd = new osd_t(config, ringloop);
while (1)
{
ringloop->loop();
ringloop->wait();
}
delete osd;
delete ringloop;
return 0;
}