public void StorePeer(BinaryNumber networkID, PeerEndPoint peerEP)
{
lock (_data)
{
List <PeerEndPoint> peerList;
if (_data.ContainsKey(networkID))
{
peerList = _data[networkID];
}
else
{
peerList = new List <PeerEndPoint>();
_data.Add(networkID, peerList);
}
foreach (PeerEndPoint peer in peerList)
{
if (peer.Equals(peerEP))
{
peer.UpdateDateAdded();
return;
}
}
peerList.Add(peerEP);
}
}
public DhtRpcPacket(Stream s)
{
int version = s.ReadByte();
switch (version)
{
case -1:
throw new EndOfStreamException();
case 2:
byte[] buffer = new byte[20];
OffsetStream.StreamRead(s, buffer, 0, 2);
_sourceNodePort = BitConverter.ToUInt16(buffer, 0);
_type = (DhtRpcType)s.ReadByte();
switch (_type)
{
case DhtRpcType.PING:
break;
case DhtRpcType.FIND_NODE:
{
OffsetStream.StreamRead(s, buffer, 0, 20);
_networkID = BinaryNumber.Clone(buffer, 0, 20);
int count = s.ReadByte();
_contacts = new NodeContact[count];
for (int i = 0; i < count; i++)
{
_contacts[i] = new NodeContact(s);
}
}
break;
case DhtRpcType.FIND_PEERS:
{
OffsetStream.StreamRead(s, buffer, 0, 20);
_networkID = BinaryNumber.Clone(buffer, 0, 20);
int count = s.ReadByte();
_contacts = new NodeContact[count];
for (int i = 0; i < count; i++)
{
_contacts[i] = new NodeContact(s);
}
count = s.ReadByte();
_peers = new PeerEndPoint[count];
for (int i = 0; i < count; i++)
{
_peers[i] = new PeerEndPoint(s);
}
}
break;
case DhtRpcType.ANNOUNCE_PEER:
{
OffsetStream.StreamRead(s, buffer, 0, 20);
_networkID = BinaryNumber.Clone(buffer, 0, 20);
OffsetStream.StreamRead(s, buffer, 0, 2);
_servicePort = BitConverter.ToUInt16(buffer, 0);
int count = s.ReadByte();
_peers = new PeerEndPoint[count];
for (int i = 0; i < count; i++)
{
_peers[i] = new PeerEndPoint(s);
}
}
break;
default:
throw new IOException("Invalid DHT-RPC type.");
}
break;
default:
throw new IOException("DHT-RPC packet version not supported: " + version);
}
}
public DhtRpcPacket(Stream s, IPAddress nodeIP)
{
int version = s.ReadByte();
switch (version)
{
case 1:
byte[] buffer = new byte[20];
OffsetStream.StreamRead(s, buffer, 0, 4);
_transactionID = BitConverter.ToInt32(buffer, 0);
OffsetStream.StreamRead(s, buffer, 0, 20);
BinaryID nodeID = BinaryID.Clone(buffer, 0, 20);
OffsetStream.StreamRead(s, buffer, 0, 2);
_sourceNode = new NodeContact(nodeID, new IPEndPoint(nodeIP, BitConverter.ToUInt16(buffer, 0)));
_type = (RpcPacketType)s.ReadByte();
_queryType = (RpcQueryType)s.ReadByte();
switch (_queryType)
{
case RpcQueryType.FIND_NODE:
OffsetStream.StreamRead(s, buffer, 0, 20);
_networkID = BinaryID.Clone(buffer, 0, 20);
if (_type == RpcPacketType.Response)
{
int count = s.ReadByte();
_contacts = new NodeContact[count];
for (int i = 0; i < count; i++)
{
_contacts[i] = new NodeContact(s);
}
}
break;
case RpcQueryType.FIND_PEERS:
OffsetStream.StreamRead(s, buffer, 0, 20);
_networkID = BinaryID.Clone(buffer, 0, 20);
if (_type == RpcPacketType.Response)
{
int count = s.ReadByte();
_contacts = new NodeContact[count];
for (int i = 0; i < count; i++)
{
_contacts[i] = new NodeContact(s);
}
count = s.ReadByte();
_peers = new PeerEndPoint[count];
for (int i = 0; i < count; i++)
{
_peers[i] = new PeerEndPoint(s);
}
OffsetStream.StreamRead(s, buffer, 0, 20);
_token = new BinaryID(buffer);
}
break;
case RpcQueryType.ANNOUNCE_PEER:
OffsetStream.StreamRead(s, buffer, 0, 20);
_networkID = BinaryID.Clone(buffer, 0, 20);
if (_type == RpcPacketType.Query)
{
OffsetStream.StreamRead(s, buffer, 0, 2);
_servicePort = BitConverter.ToUInt16(buffer, 0);
OffsetStream.StreamRead(s, buffer, 0, 20);
_token = new BinaryID(buffer);
}
break;
}
break;
default:
throw new IOException("DHT-RPC packet version not supported: " + version);
}
}
