public P2PConnectionState(IP2PMemberInternal remotePeer)
{
RemotePeer = remotePeer;
EventId = (uint)Guid.NewGuid().GetHashCode();
}
public void Join(uint hostId)
{
var encrypted = _options.EnableP2PEncryptedMessaging;
Crypt crypt = null;
if (encrypted)
{
crypt = new Crypt(_options.EncryptedMessageKeyLength);
}
var sessionToJoin = _sessionManager.GetSession(hostId);
IP2PMemberInternal memberToJoin = sessionToJoin;
if (!_members.TryAdd(hostId, sessionToJoin))
{
throw new ProudException($"Member {hostId} is already in P2PGroup {HostId}");
}
_log.Debug("Client({HostId}) joined P2PGroup({GroupHostId})", hostId, HostId);
sessionToJoin.P2PGroup = this;
memberToJoin.Crypt = crypt;
if (encrypted)
{
sessionToJoin.Send(new P2PGroup_MemberJoinMessage(HostId, hostId, 0, crypt.AES.Key, AllowDirectP2P));
}
else
{
sessionToJoin.Send(new P2PGroup_MemberJoin_UnencryptedMessage(HostId, hostId, 0, AllowDirectP2P));
}
foreach (var member in _members.Values.Where(member => member.HostId != hostId))
{
var stateA = new P2PConnectionState(member);
var stateB = new P2PConnectionState(sessionToJoin);
memberToJoin.ConnectionStates[member.HostId] = stateA;
member.ConnectionStates[memberToJoin.HostId] = stateB;
if (encrypted)
{
member.Send(new P2PGroup_MemberJoinMessage(HostId, hostId, stateB.EventId, crypt.AES.Key, AllowDirectP2P));
sessionToJoin.Send(
new P2PGroup_MemberJoinMessage(
HostId,
member.HostId,
stateA.EventId,
crypt.AES.Key,
AllowDirectP2P
)
);
}
else
{
member.Send(new P2PGroup_MemberJoin_UnencryptedMessage(HostId, hostId, stateB.EventId, AllowDirectP2P));
sessionToJoin.Send(
new P2PGroup_MemberJoin_UnencryptedMessage(
HostId,
member.HostId,
stateA.EventId,
AllowDirectP2P
)
);
}
}
if (_options.AllowServerAsP2PGroupMember)
{
sessionToJoin.Send(new P2PGroup_MemberJoin_UnencryptedMessage(HostId, Constants.HostIdServer, 0, false));
}
if (_options.ServerAsP2PGroupMemberHack)
{
sessionToJoin.Send(new P2PGroup_MemberJoin_UnencryptedMessage(HostId, Constants.HostIdServerHack, 0, false));
}
}
