static void Main(string[] args)
{
IPAddress bootstrapIP = IPAddress.Parse("67.215.246.10"); // router.bittorrent.com:6881
IPEndPoint bootstrapAdr = new IPEndPoint(bootstrapIP, 6881);
dhtBucketM = new DHTBucketManager(bootstrapAdr, 3245);
// temporary
DHTNode dhtNode1 = new DHTNode(3244);
Console.Read();
}
public void Run()
{
// Get starting nodes from network
dhtBucketM = new DHTBucketManager(Program.bootstrapAdr, localPort+1);
// 1. Get oldest infohashes from DB
/*
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Fetching " + Program.MAX_INFOHASHES_PER_NODE.ToString() + " new infohashes from DB!");
InitInfoHashes(false);*/
while(true)
{
// 1. Get oldest infohashes from DB
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Fetching " + Program.MAX_INFOHASHES_PER_NODE.ToString() + " new infohashes from DB!");
linfoHHex.Clear();
InitInfoHashes(false);
infohashCount = linfoHHex.Count;
//Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Getting " + Program.MAX_INFOHASHES_PER_NODE.ToString() +
// " new infohashes from DB (background thread)!");
//Thread bg2 = new Thread(o => { InitInfoHashes(true); });
//bg2.Start();
// Clear old data
nodeIDHex = GetRandomID();
nofPeersFound = 0;
bucketIndices.Clear();
lTorrentPeers.Clear();
lContactNodesA.Clear();
lContactNodesB.Clear();
for (int k = 0; k < Program.MAX_INFOHASHES_PER_NODE; k++)
{
List<IPEndPoint> lt1 = new List<IPEndPoint>();
lTorrentPeers.Add(lt1);
List<IPEndPoint> lt0 = new List<IPEndPoint>();
lTorrentPeersForQueries.Add(lt0);
List<Tuple<int, string, IPEndPoint>> lt2 = new List<Tuple<int, string, IPEndPoint>>();
lContactNodesA.Add(lt2);
List<Tuple<int, string, IPEndPoint>> lt3 = new List<Tuple<int, string, IPEndPoint>>();
lContactNodesB.Add(lt3);
}
receiveThread = new Thread(new ThreadStart(ReceivePackets));
receiveThread.IsBackground = true;
receiveThread.Start();
// 2. Send get_peers request to all nodes in corresponding buckets for each infohash
Stopwatch sw = new Stopwatch();
for (int curr = -Program.MAX_BUCKET_RADIUS; curr < Program.MAX_BUCKET_RADIUS+1; curr++)
{
for (int i = 0; i < infohashCount; i++)
{
string conversationID = GetConversatioID(i);
bucketIndices.Add(GetBucketIndexFromInfohash(linfoHHex[i]));
sw.Start();
int getPeerReqSentCurrentTimespan = 0;
if (bucketIndices[i] + curr < 0) break;
if (bucketIndices[i] + curr >= 65536) break;
lock (dhtBucketM.locks[bucketIndices[i] + curr])
{
foreach (Tuple<string, IPEndPoint> t in dhtBucketM.lDHTNodes[bucketIndices[i] + curr])
{
GetPeers(t.Item2, linfoHHex[i], conversationID);
countGetPeerReqSent++; getPeerReqSentCurrentTimespan++;
}
}
while ((1000 * getPeerReqSentCurrentTimespan) / (1 + (double)sw.ElapsedMilliseconds) > Program.MAX_PACKETS_PER_SECOND_DHT_NODE) { }
sw.Stop();
dhtBucketM.nofNodes = 0;
for (int u = 0; u < dhtBucketM.lDHTNodes.Count; u++)
{
dhtBucketM.nofNodes += dhtBucketM.lDHTNodes[u].Count;
}
}
}
useA = !useA;
Wait(300);
receiveThread.Abort();
Merge();
//3. Send get peer requests to all new contact nodes
for (int passes = 0; passes < 4; passes++)
{
receiveThread = new Thread(new ThreadStart(ReceivePackets));
receiveThread.IsBackground = true;
receiveThread.Start();
// Wait for responses to be processed
for (int i = 0; i < infohashCount; i++)
{
string conversationID = GetConversatioID(i);
sw.Start();
int getPeerReqSentCurrentTimespan = 0;
if (!useA)
{
foreach (Tuple<int, string, IPEndPoint> t in lContactNodesA[i])
{
GetPeers(t.Item3, linfoHHex[i], conversationID);
countGetPeerReqSent++; getPeerReqSentCurrentTimespan++;
}
lContactNodesA[i].Clear();
}
else
{
foreach (Tuple<int, string, IPEndPoint> t in lContactNodesB[i])
{
GetPeers(t.Item3, linfoHHex[i], conversationID);
countGetPeerReqSent++; getPeerReqSentCurrentTimespan++;
}
lContactNodesB[i].Clear();
}
while ((1000 * getPeerReqSentCurrentTimespan) / (1 + (double)sw.ElapsedMilliseconds) > Program.MAX_PACKETS_PER_SECOND_DHT_NODE) { }
sw.Stop();
dhtBucketM.nofNodes = 0;
for (int u = 0; u < dhtBucketM.lDHTNodes.Count; u++)
{
dhtBucketM.nofNodes += dhtBucketM.lDHTNodes[u].Count;
}
}
useA = !useA;
Wait(300);
receiveThread.Abort();
Merge();
}
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Nodes/peers found: {0}/{1} for {2} infohashes",
dhtBucketM.nofNodes, nofPeersFound, Program.MAX_INFOHASHES_PER_NODE);
Wait(5000);
receiveThread.Abort();
// Wait for get infohash thread to finish
//while (bg2.IsAlive) { }
/*linfoHHexForMySQLInsert = new List<string>(linfoHHex);
lTorrentPeersForQueries = new List<List<IPEndPoint>>(lTorrentPeers);
linfoHHex.Clear();
linfoHHex = new List<string>(linfoHHex2);
linfoHHex2.Clear();*/
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Inserting new peers into DB !");
Program.mySQL.InsertPeers(linfoHHex, lTorrentPeers);
/*Thread bg = new Thread(o => { Program.mySQL.InsertPeers(linfoHHexForMySQLInsert, lTorrentPeersForQueries); });
bg.Start();*/
}
//Log("Contact nodes: " + lContactNodes.Count);
//Log("Peers found: " + lTorrentPeers.Count);
//Log("Peer requests sent: " + countGetPeerReqSent);
//Log("Received peer packets: " + countRecvPeerPackets);
//Log("Received node packets: " + countRecvNodePackets);
}
public void Run()
{
// Get starting nodes from network
dhtBucketM = new DHTBucketManager(Program.bootstrapAdr, localPort + 1);
// 1. Get oldest infohashes from DB
/*
* Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Fetching " + Program.MAX_INFOHASHES_PER_NODE.ToString() + " new infohashes from DB!");
* InitInfoHashes(false);*/
while (true)
{
// 1. Get oldest infohashes from DB
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Fetching " + Program.MAX_INFOHASHES_PER_NODE.ToString() + " new infohashes from DB!");
linfoHHex.Clear();
InitInfoHashes(false);
infohashCount = linfoHHex.Count;
//Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Getting " + Program.MAX_INFOHASHES_PER_NODE.ToString() +
// " new infohashes from DB (background thread)!");
//Thread bg2 = new Thread(o => { InitInfoHashes(true); });
//bg2.Start();
// Clear old data
nodeIDHex = GetRandomID();
nofPeersFound = 0;
bucketIndices.Clear();
lTorrentPeers.Clear();
lContactNodesA.Clear();
lContactNodesB.Clear();
for (int k = 0; k < Program.MAX_INFOHASHES_PER_NODE; k++)
{
List <IPEndPoint> lt1 = new List <IPEndPoint>();
lTorrentPeers.Add(lt1);
List <IPEndPoint> lt0 = new List <IPEndPoint>();
lTorrentPeersForQueries.Add(lt0);
List <Tuple <int, string, IPEndPoint> > lt2 = new List <Tuple <int, string, IPEndPoint> >();
lContactNodesA.Add(lt2);
List <Tuple <int, string, IPEndPoint> > lt3 = new List <Tuple <int, string, IPEndPoint> >();
lContactNodesB.Add(lt3);
}
receiveThread = new Thread(new ThreadStart(ReceivePackets));
receiveThread.IsBackground = true;
receiveThread.Start();
// 2. Send get_peers request to all nodes in corresponding buckets for each infohash
Stopwatch sw = new Stopwatch();
for (int curr = -Program.MAX_BUCKET_RADIUS; curr < Program.MAX_BUCKET_RADIUS + 1; curr++)
{
for (int i = 0; i < infohashCount; i++)
{
string conversationID = GetConversatioID(i);
bucketIndices.Add(GetBucketIndexFromInfohash(linfoHHex[i]));
sw.Start();
int getPeerReqSentCurrentTimespan = 0;
if (bucketIndices[i] + curr < 0)
{
break;
}
if (bucketIndices[i] + curr >= 65536)
{
break;
}
lock (dhtBucketM.locks[bucketIndices[i] + curr])
{
foreach (Tuple <string, IPEndPoint> t in dhtBucketM.lDHTNodes[bucketIndices[i] + curr])
{
GetPeers(t.Item2, linfoHHex[i], conversationID);
countGetPeerReqSent++; getPeerReqSentCurrentTimespan++;
}
}
while ((1000 * getPeerReqSentCurrentTimespan) / (1 + (double)sw.ElapsedMilliseconds) > Program.MAX_PACKETS_PER_SECOND_DHT_NODE)
{
}
sw.Stop();
dhtBucketM.nofNodes = 0;
for (int u = 0; u < dhtBucketM.lDHTNodes.Count; u++)
{
dhtBucketM.nofNodes += dhtBucketM.lDHTNodes[u].Count;
}
}
}
useA = !useA;
Wait(300);
receiveThread.Abort();
Merge();
//3. Send get peer requests to all new contact nodes
for (int passes = 0; passes < 4; passes++)
{
receiveThread = new Thread(new ThreadStart(ReceivePackets));
receiveThread.IsBackground = true;
receiveThread.Start();
// Wait for responses to be processed
for (int i = 0; i < infohashCount; i++)
{
string conversationID = GetConversatioID(i);
sw.Start();
int getPeerReqSentCurrentTimespan = 0;
if (!useA)
{
foreach (Tuple <int, string, IPEndPoint> t in lContactNodesA[i])
{
GetPeers(t.Item3, linfoHHex[i], conversationID);
countGetPeerReqSent++; getPeerReqSentCurrentTimespan++;
}
lContactNodesA[i].Clear();
}
else
{
foreach (Tuple <int, string, IPEndPoint> t in lContactNodesB[i])
{
GetPeers(t.Item3, linfoHHex[i], conversationID);
countGetPeerReqSent++; getPeerReqSentCurrentTimespan++;
}
lContactNodesB[i].Clear();
}
while ((1000 * getPeerReqSentCurrentTimespan) / (1 + (double)sw.ElapsedMilliseconds) > Program.MAX_PACKETS_PER_SECOND_DHT_NODE)
{
}
sw.Stop();
dhtBucketM.nofNodes = 0;
for (int u = 0; u < dhtBucketM.lDHTNodes.Count; u++)
{
dhtBucketM.nofNodes += dhtBucketM.lDHTNodes[u].Count;
}
}
useA = !useA;
Wait(300);
receiveThread.Abort();
Merge();
}
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Nodes/peers found: {0}/{1} for {2} infohashes",
dhtBucketM.nofNodes, nofPeersFound, Program.MAX_INFOHASHES_PER_NODE);
Wait(5000);
receiveThread.Abort();
// Wait for get infohash thread to finish
//while (bg2.IsAlive) { }
/*linfoHHexForMySQLInsert = new List<string>(linfoHHex);
* lTorrentPeersForQueries = new List<List<IPEndPoint>>(lTorrentPeers);
* linfoHHex.Clear();
* linfoHHex = new List<string>(linfoHHex2);
* linfoHHex2.Clear();*/
Console.WriteLine("Thread " + Thread.CurrentThread.ManagedThreadId + ": Inserting new peers into DB !");
Program.mySQL.InsertPeers(linfoHHex, lTorrentPeers);
/*Thread bg = new Thread(o => { Program.mySQL.InsertPeers(linfoHHexForMySQLInsert, lTorrentPeersForQueries); });
* bg.Start();*/
}
//Log("Contact nodes: " + lContactNodes.Count);
//Log("Peers found: " + lTorrentPeers.Count);
//Log("Peer requests sent: " + countGetPeerReqSent);
//Log("Received peer packets: " + countRecvPeerPackets);
//Log("Received node packets: " + countRecvNodePackets);
}