mirror of
https://github.com/ceph/ceph
synced 2024-12-19 09:57:05 +00:00
111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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// vim: ts=8 sw=2 smarttab
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/*
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* Ceph - scalable distributed file system
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*
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* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
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*
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* This is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software
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* Foundation. See file COPYING.
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <string>
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using namespace std;
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#include "config.h"
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#include "mon/MonMap.h"
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#include "mds/MDS.h"
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#include "msg/SimpleMessenger.h"
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#include "common/Timer.h"
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#include "common/common_init.h"
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#include "mon/MonClient.h"
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int main(int argc, const char **argv)
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{
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vector<const char*> args;
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argv_to_vec(argc, argv, args);
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env_to_vec(args);
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common_init(args);
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// mds specific args
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const char *monhost = 0;
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int whoami = -1;
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bool standby = false; // by default, i'll start active.
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int standby_replay_for = -1;
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for (unsigned i=0; i<args.size(); i++) {
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if (strcmp(args[i], "--standby") == 0)
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standby = true;
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else if (strcmp(args[i], "--mds") == 0)
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whoami = atoi(args[++i]);
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else if (strcmp(args[i], "--standby_replay_for") == 0)
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whoami = standby_replay_for = atoi(args[++i]);
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else if (monhost == 0)
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monhost = args[i];
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else {
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cerr << "unrecognized arg " << args[i] << std::endl;
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return -1;
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}
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}
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if (g_conf.clock_tare) g_clock.tare();
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// get monmap
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MonMap monmap;
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MonClient mc;
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if (mc.get_monmap(&monmap) < 0)
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return -1;
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rank.bind();
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cout << "starting mds? at " << rank.get_rank_addr() << std::endl;
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Messenger *m = rank.register_entity(entity_name_t::MDS(whoami));
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assert_warn(m);
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if (!m)
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return 1;
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rank.set_policy(entity_name_t::TYPE_MON, Rank::Policy::lossy_fail_after(1.0));
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rank.set_policy(entity_name_t::TYPE_MDS, Rank::Policy::lossless());
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rank.set_policy(entity_name_t::TYPE_OSD, Rank::Policy::lossless());
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rank.set_policy(entity_name_t::TYPE_CLIENT, Rank::Policy::lossless()); // mds does its own timeout/markdown
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rank.start();
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// start mds
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MDS *mds = new MDS(whoami, m, &monmap);
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mds->standby_replay_for = standby_replay_for;
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mds->init(standby);
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rank.wait();
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// yuck: grab the mds lock, so we can be sure that whoever in *mds
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// called shutdown finishes what they were doing.
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mds->mds_lock.Lock();
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mds->mds_lock.Unlock();
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// done
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//delete mds;
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// cd on exit, so that gmon.out (if any) goes into a separate directory for each node.
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char s[20];
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sprintf(s, "gmon/%d", getpid());
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if (mkdir(s, 0755) == 0)
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chdir(s);
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generic_dout(0) << "stopped." << dendl;
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return 0;
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}
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