Artifact
c13ebab80002c81d335a2eb858c1fbdd4644975c:
/*
* Copyright (c) 2003-2005 Frank Dabek
* Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "p2psim/node.h"
#include "p2psim/args.h"
#include "p2psim/network.h"
#include "protocols/protocolfactory.h"
#include "datastoreobserver.h"
#include <iostream>
#include <set>
#include <algorithm>
#include <stdio.h>
DataStoreObserver* DataStoreObserver::_instance = 0;
DataStoreObserver*
DataStoreObserver::Instance(Args *a)
{
if(!_instance)
_instance = New DataStoreObserver(a);
return _instance;
}
DataStoreObserver::DataStoreObserver(Args *a)
{
_instance = this;
//pick data items / sizes
// XXX get number of items from args
for (int i = 0; i < 1000; i++)
{
Chord::CHID id = ConsistentHash::getRandID ();
int size = 8192;
data_items.push_back (DataItem (id, size));
}
// XXX sort it?
}
DataItem
DataStoreObserver::get_random_item ()
{
int r = random () % data_items.size ();
return data_items[r];
}
vector<DataItem>
DataStoreObserver::get_data()
{
assert(data_items.size()>0);
return data_items;
}