void OnNewConnection(NetworkEvent netEvent)
{
ConnectionId newCId = netEvent.ConnectionId;
ConnectionIds.Add(newCId);
if (NodeState == State.Uninitialized)
{
OnJoin.TryInvoke(newCId);
// Add server as a connection on the client end
ConnectionIds.Add(new ConnectionId(0));
NodeState = State.Client;
}
else if (NodeState == State.Server)
{
OnJoin.TryInvoke(newCId);
foreach (var id in ConnectionIds)
{
if (id.id == 0 || id.id == newCId.id)
{
continue;
}
byte[] payload;
// Announce the new connection to the old ones and vice-versa
payload = new UniStreamWriter().WriteShort(newCId.id).Bytes;
Send(Packet.From(this).To(id).With(ReservedTags.ClientJoined, payload), true);
payload = new UniStreamWriter().WriteShort(id.id).Bytes;
Send(Packet.From(this).To(newCId).With(ReservedTags.ClientJoined, payload), true);
}
}
m_ConnectCallback.TryInvoke(newCId);
m_ConnectCallback = null;
}
void OnMessageReceived(NetworkEvent netEvent, bool reliable)
{
var bytes = netEvent.GetDataAsByteArray();
var packet = Packet.Deserialize(bytes);
// If packet is null, it is a "raw" byte array message.
// Forward it to everyone
if (packet == null)
{
OnGetBytes.TryInvoke(netEvent.ConnectionId, bytes, reliable);
foreach (var r in ConnectionIds)
{
// Forward to everyone except the original sender and the server
if (r == CId || r == netEvent.ConnectionId)
{
continue;
}
Send(Packet.From(CId).To(r).With(ReservedTags.PacketForwarding, packet.Serialize()), true);
}
return;
}
string reservedTag = packet.Tag.StartsWith("reserved") ? packet.Tag : string.Empty;
// If is not a reserved message
if (reservedTag == string.Empty)
{
OnGetPacket.TryInvoke(netEvent.ConnectionId, packet, reliable);
if (NodeState != State.Server)
{
return;
}
// The server tries to broadcast the packet to everyone else listed as recipients
foreach (var r in packet.Recipients)
{
// Forward to everyone except the original sender and the server
if (r == CId.id || r == netEvent.ConnectionId.id)
{
continue;
}
Send(Packet.From(CId).To(r).With(ReservedTags.PacketForwarding, packet.Serialize()), true);
}
return;
}
// handle reserved messages
switch (reservedTag)
{
case ReservedTags.ServerStopped:
OnServerStopped.TryInvoke();
break;
case ReservedTags.ClientJoined:
ConnectionIds.Add(netEvent.ConnectionId);
OnJoin.TryInvoke(netEvent.ConnectionId);
break;
case ReservedTags.ClientLeft:
ConnectionIds.Remove(netEvent.ConnectionId);
OnLeave.TryInvoke(netEvent.ConnectionId);
break;
case ReservedTags.PacketForwarding:
OnGetPacket.TryInvoke(netEvent.ConnectionId, packet, reliable);
break;
}
}
