mirror of
https://github.com/ceph/ceph
synced 2024-12-23 20:03:56 +00:00
0d081ba016
git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1107 29311d96-e01e-0410-9327-a35deaab8ce9
125 lines
2.6 KiB
C++
125 lines
2.6 KiB
C++
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
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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 "osd/OSD.h"
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#include "ebofs/Ebofs.h"
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#include "msg/NewMessenger.h"
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#include "common/Timer.h"
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class C_Die : public Context {
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public:
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void finish(int) {
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cerr << "die" << endl;
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exit(1);
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}
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};
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class C_Debug : public Context {
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public:
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void finish(int) {
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int size = &g_conf.debug_after - &g_conf.debug;
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memcpy((char*)&g_conf.debug, (char*)&g_debug_after_conf.debug, size);
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dout(0) << "debug_after flipping debug settings" << endl;
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}
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};
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int main(int argc, char **argv)
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{
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vector<char*> args;
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argv_to_vec(argc, argv, args);
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parse_config_options(args);
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if (g_conf.kill_after)
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g_timer.add_event_after(g_conf.kill_after, new C_Die);
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if (g_conf.debug_after)
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g_timer.add_event_after(g_conf.debug_after, new C_Debug);
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// osd specific args
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char *dev;
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int whoami = -1;
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for (unsigned i=0; i<args.size(); i++) {
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if (strcmp(args[i],"--dev") == 0)
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dev = args[++i];
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else if (strcmp(args[i],"--osd") == 0)
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whoami = atoi(args[++i]);
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else {
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cerr << "unrecognized arg " << args[i] << endl;
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return -1;
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}
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}
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cout << "dev " << dev << endl;
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if (whoami < 0) {
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// who am i? peek at superblock!
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OSDSuperblock sb;
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ObjectStore *store = new Ebofs(dev);
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bufferlist bl;
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store->mount();
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int r = store->read(object_t(0,0), 0, sizeof(sb), bl);
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if (r < 0) {
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cerr << "couldn't read superblock object on " << dev << endl;
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exit(0);
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}
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bl.copy(0, sizeof(sb), (char*)&sb);
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store->umount();
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delete store;
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whoami = sb.whoami;
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cout << "osd fs says i am osd" << whoami << endl;
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} else {
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cout << "command line arg says i am osd" << whoami << endl;
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}
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// load monmap
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MonMap monmap;
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int r = monmap.read(".ceph_monmap");
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assert(r >= 0);
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// start up network
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rank.start_rank();
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// start osd
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Messenger *m = rank.register_entity(MSG_ADDR_OSD(whoami));
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assert(m);
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OSD *osd = new OSD(whoami, m, &monmap, dev);
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osd->init();
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// wait
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rank.wait();
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// done
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delete osd;
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return 0;
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}
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