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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* 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/stat.h>
#include <iostream>
#include <string>
using namespace std;
#include "config.h"
#include "mon/MonMap.h"
#include "mon/MonClient.h"
#include "msg/SimpleMessenger.h"
#include "messages/MPing.h"
#include "common/Timer.h"
#include "common/common_init.h"
#ifndef DARWIN
#include <envz.h>
#endif // DARWIN
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
MonMap monmap;
Messenger *messenger = 0;
Mutex lock("mylock");
Cond cond;
__u64 received = 0;
class Admin : public Dispatcher {
bool dispatch_impl(Message *m) {
//cerr << "got ping from " << m->get_source() << std::endl;
dout(0) << "got ping from " << m->get_source() << dendl;
lock.Lock();
++received;
cond.Signal();
lock.Unlock();
delete m;
return true;
}
void ms_handle_failure(Message *m, const entity_inst_t& inst) {
}
} dispatcher;
int main(int argc, const char **argv, const char *envp[]) {
vector<const char*> args;
argv_to_vec(argc, argv, args);
env_to_vec(args);
common_init(args, NULL);
vec_to_argv(args, argc, argv);
int whoami = atoi(args[0]);
dout(0) << "i am mon" << whoami << dendl;
// get monmap
MonClient mc;
if (mc.get_monmap(&monmap) < 0)
return -1;
// start up network
g_my_addr = monmap.get_inst(whoami).addr;
int err = rank.bind();
if (err < 0)
return 1;
_dout_create_courtesy_output_symlink("mon", whoami);
// start monitor
messenger = rank.register_entity(entity_name_t::MON(whoami));
messenger->set_default_send_priority(CEPH_MSG_PRIO_HIGH);
messenger->set_dispatcher(&dispatcher);
rank.start();
int isend = 0;
if (whoami == 0)
isend = 100;
lock.Lock();
__u64 sent = 0;
while (1) {
while (received + isend <= sent) {
//cerr << "wait r " << received << " s " << sent << " is " << isend << std::endl;
dout(0) << "wait r " << received << " s " << sent << " is " << isend << dendl;
cond.Wait(lock);
}
int t = rand() % monmap.size();
if (t == whoami)
continue;
if (rand() % 10 == 0) {
//cerr << "mark_down " << t << std::endl;
dout(0) << "mark_down " << t << dendl;
messenger->mark_down(monmap.get_inst(t).addr);
}
//cerr << "pinging " << t << std::endl;
dout(0) << "pinging " << t << dendl;
messenger->send_message(new MPing, monmap.get_inst(t));
cerr << isend << "\t" << ++sent << "\t" << received << "\r";
}
lock.Unlock();
// wait for messenger to finish
rank.wait();
return 0;
}
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