private void QueryNode(Node node)
{
this.node = node;
message = new FindNode(engine.LocalId, node.Id);
task = new SendQueryTask(engine, message, node);
task.Completed += TaskComplete;
task.Execute();
}
private void QueryNode(Node node)
{
_node = node;
_message = new FindNode(_engine.LocalId, node.Id);
_task = new SendQueryTask(_engine, _message, node);
_task.Completed += TaskComplete;
_task.Execute();
}
private void QueryNode(Node node)
{
_node = node;
_message = new FindNode(_engine.LocalId, node.Id);
_task = new SendQueryTask(_engine, _message, node);
_task.Completed += TaskComplete;
_task.Execute();
}
private void SendFindNode(IEnumerable <Node> newNodes)
{
foreach (var node in Node.CloserNodes(_engine.LocalId, _nodes, newNodes, Bucket.MaxCapacity))
{
_activeRequests++;
var request = new FindNode(_engine.LocalId, _engine.LocalId);
var task = new SendQueryTask(_engine, request, node);
task.Completed += FindNodeComplete;
task.Execute();
}
}
private void SendGetPeers(Node n)
{
NodeId distance = n.Id.Xor(infoHash);
queriedNodes.Add(distance, n);
activeQueries++;
GetPeers m = new GetPeers(engine.LocalId, infoHash);
SendQueryTask task = new SendQueryTask(engine, m, n);
task.Completed += GetPeersCompleted;
task.Execute();
}
private void SendPingToOldest()
{
bucket.LastChanged = DateTime.UtcNow;
bucket.SortBySeen();
if ((DateTime.UtcNow - bucket.Nodes[0].LastSeen) < TimeSpan.FromMinutes(3))
{
RaiseComplete(new TaskCompleteEventArgs(this));
}
else
{
Node oldest = bucket.Nodes[0];
SendQueryTask task = new SendQueryTask(engine, new Ping(engine.LocalId), oldest);
task.Completed += TaskComplete;
task.Execute();
}
}
private void SendPingToOldest()
{
_bucket.LastChanged = DateTime.UtcNow;
_bucket.SortBySeen();
if ((DateTime.UtcNow - _bucket.Nodes[0].LastSeen) < TimeSpan.FromMinutes(3))
{
RaiseComplete(new TaskCompleteEventArgs(this));
}
else
{
var oldest = _bucket.Nodes[0];
var task = new SendQueryTask(_engine, new Ping(_engine.LocalId), oldest);
task.Completed += TaskComplete;
task.Execute();
}
}
private void GotPeers(object o, TaskCompleteEventArgs e)
{
e.Task.Completed -= GotPeers;
GetPeersTask getpeers = (GetPeersTask)e.Task;
foreach (Node n in getpeers.ClosestActiveNodes.Values)
{
if (n.Token == null)
continue;
AnnouncePeer query = new AnnouncePeer(engine.LocalId, infoHash, port, n.Token);
SendQueryTask task = new SendQueryTask(engine, query, n);
task.Completed += SentAnnounce;
task.Execute();
activeAnnounces++;
}
if (activeAnnounces == 0)
RaiseComplete(new TaskCompleteEventArgs(this));
}
public void PingTimeout()
{
engine.TimeOut = TimeSpan.FromHours(1);
// Send ping
Ping ping = new Ping(node.Id);
ping.TransactionId = transactionId;
ManualResetEvent handle = new ManualResetEvent(false);
SendQueryTask task = new SendQueryTask(engine, ping, node);
task.Completed += delegate {
handle.Set();
};
task.Execute();
// Receive response
PingResponse response = new PingResponse(node.Id, transactionId);
listener.RaiseMessageReceived(response, node.EndPoint);
Assert.IsTrue(handle.WaitOne(1000, true), "#0");
engine.TimeOut = TimeSpan.FromMilliseconds(75);
DateTime lastSeen = node.LastSeen;
// Time out a ping
ping = new Ping(node.Id);
ping.TransactionId = (BEncodedString)"ab";
task = new SendQueryTask(engine, ping, node, 4);
task.Completed += delegate { handle.Set(); };
handle.Reset();
task.Execute();
handle.WaitOne();
Assert.AreEqual(4, node.FailedCount, "#1");
Assert.AreEqual(NodeState.Bad, node.State, "#2");
Assert.AreEqual(lastSeen, node.LastSeen, "#3");
}
private void GotPeers(object o, TaskCompleteEventArgs e)
{
e.Task.Completed -= GotPeers;
GetPeersTask getpeers = (GetPeersTask)e.Task;
foreach (Node n in getpeers.ClosestActiveNodes.Values)
{
if (n.Token == null)
{
continue;
}
AnnouncePeer query = new AnnouncePeer(engine.LocalId, infoHash, port, n.Token);
SendQueryTask task = new SendQueryTask(engine, query, n);
task.Completed += SentAnnounce;
task.Execute();
activeAnnounces++;
}
if (activeAnnounces == 0)
{
RaiseComplete(new TaskCompleteEventArgs(this));
}
}
internal void Add(Node node)
{
if (node == null)
throw new ArgumentNullException("node");
SendQueryTask task = new SendQueryTask(this, new Ping(RoutingTable.LocalNode.Id), node);
task.Execute();
}
public void SendQueryTaskTimeout()
{
_engine.TimeOut = TimeSpan.FromMilliseconds(25);
var ping = new Ping(_engine.LocalId) {TransactionId = _transactionId};
_engine.MessageLoop.QuerySent += (o, e) =>
{
if (e.TimedOut)
_counter++;
};
var task = new SendQueryTask(_engine, ping, _node);
task.Completed += (sender, args) => _handle.Set();
task.Execute();
Assert.IsTrue(_handle.WaitOne(3000, false), "#1");
Assert.AreEqual(task.Retries, _counter);
}
public void SendQueryTaskSucceed()
{
_engine.TimeOut = TimeSpan.FromMilliseconds(25);
var ping = new Ping(_engine.LocalId) {TransactionId = _transactionId};
_engine.MessageLoop.QuerySent += delegate(object o, SendQueryEventArgs e)
{
if (!e.TimedOut)
return;
_counter++;
var response = new PingResponse(_node.Id, _transactionId);
_listener.RaiseMessageReceived(response, _node.EndPoint);
};
var task = new SendQueryTask(_engine, ping, _node);
task.Completed += delegate { _handle.Set(); };
task.Execute();
Assert.IsTrue(_handle.WaitOne(3000, false), "#1");
Thread.Sleep(200);
Assert.AreEqual(1, _counter, "#2");
var n = _engine.RoutingTable.FindNode(_node.Id);
Assert.IsNotNull(n, "#3");
Assert.IsTrue(n.LastSeen > DateTime.UtcNow.AddSeconds(-2));
}
private void SendGetPeers(Node n)
{
NodeId distance = n.Id.Xor(infoHash);
queriedNodes.Add(distance, n);
activeQueries++;
GetPeers m = new GetPeers(engine.LocalId, infoHash);
SendQueryTask task = new SendQueryTask(engine, m, n);
task.Completed += GetPeersCompleted;
task.Execute();
}
private void SendFindNode(IEnumerable<Node> newNodes)
{
foreach (Node node in Node.CloserNodes(engine.LocalId, nodes, newNodes, Bucket.MaxCapacity))
{
activeRequests++;
FindNode request = new FindNode(engine.LocalId, engine.LocalId);
SendQueryTask task = new SendQueryTask(engine, request, node);
task.Completed += FindNodeComplete;
task.Execute();
}
}
