ceph/branches/riccardo/monitor2/cmds.cc

102 lines
2.0 KiB
C++

// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <iostream>
#include <string>
using namespace std;
#include "config.h"
#include "mon/MonMap.h"
#include "mds/MDS.h"
#include "msg/SimpleMessenger.h"
#include "common/Timer.h"
class C_Die : public Context {
public:
void finish(int) {
cerr << "die" << endl;
exit(1);
}
};
class C_Debug : public Context {
public:
void finish(int) {
int size = &g_conf.debug_after - &g_conf.debug;
memcpy((char*)&g_conf.debug, (char*)&g_debug_after_conf.debug, size);
dout(0) << "debug_after flipping debug settings" << endl;
}
};
int main(int argc, char **argv)
{
vector<char*> args;
argv_to_vec(argc, argv, args);
parse_config_options(args);
if (g_conf.kill_after)
g_timer.add_event_after(g_conf.kill_after, new C_Die);
if (g_conf.debug_after)
g_timer.add_event_after(g_conf.debug_after, new C_Debug);
// mds specific args
int whoami = -1;
bool standby = false; // by default, i'll start active.
for (unsigned i=0; i<args.size(); i++) {
if (strcmp(args[i], "--standby") == 0)
standby = true;
else if (strcmp(args[i], "--mds") == 0)
whoami = atoi(args[++i]);
else {
cerr << "unrecognized arg " << args[i] << endl;
return -1;
}
}
// load monmap
MonMap monmap;
int r = monmap.read(".ceph_monmap");
assert(r >= 0);
// start up network
rank.start_rank();
// start mds
Messenger *m = rank.register_entity(MSG_ADDR_MDS(whoami));
assert(m);
MDS *mds = new MDS(whoami, m, &monmap);
mds->init(standby);
// wait
rank.wait();
// done
delete mds;
return 0;
}