/// <summary> Invokes RPC with parameters from the NetMessage. </summary>
internal void Invoke(object instance, string methodName, NetMessage message, NetConnection sender) {
RpcMethodInfo rpcInfo = RpcInfoCache.Get(methodName);
MethodInfo method = rpcInfo.MethodInfoLookup[instance.GetType()];
if (rpcInfo.TakesRequests && Socket.Request.Dispatch(message, sender, method, instance)) return;
if (method.ReturnType == typeof (IEnumerator)) {
var coroutine = (IEnumerator) method.Invoke(instance, message.Parameters);
var behaviour = (MonoBehaviour) instance;
if (coroutine != null) behaviour.StartCoroutine(coroutine);
}
else method.Invoke(instance, message.Parameters);
}
/// <summary> Processes a request to assign an RPC method name to a numeric ID. </summary>
internal void ReceiveAssignmentRequest(NetMessage netMessage, NetConnection connection) {
// If we aren't responsible for RPC ID assignment, ignore request.
if (!Socket.ProtocolAuthority) return;
var rpcName = (string) netMessage.Parameters[0];
if (!HasId(rpcName)) {
if (NameCount > 1800) return;
AssignRemoteRpc(rpcName);
// Send new assignment to all connections.
foreach (NetConnection conn in Socket.Connections) {
if (conn == connection || conn.IsServer) continue;
Socket.Command.Send((int) Cmd.RemoteAssignment, conn, nameToId[rpcName], rpcName);
}
}
Socket.Command.Send((int) Cmd.AssignmentResponse, connection, nameToId[rpcName], rpcName);
}
/// <summary> Adds the assigned id and remote method name to the RemoteRpcIds dictionary. </summary>
internal void ReceiveRemoteAssignment(NetMessage netMessage, NetConnection connection) {
if (!connection.IsServer && !connection.IsPeer) return;
var rpcId = (ushort)netMessage.Parameters[0];
var rpcName = (string) netMessage.Parameters[1];
if (!HasId(rpcName) && !HasName(rpcId)) {
nameToId.Add(rpcName, rpcId);
idToName.Add(rpcId, rpcName);
foreach (NetConnection conn in Socket.Connections) {
if (conn == connection || conn.IsServer) continue;
Socket.Command.Send((int)Cmd.RemoteAssignment, conn, nameToId[rpcName], rpcName);
}
}
WaitingForRpcs--;
//NetLog.Trace("Waiting for RPCs: " + WaitingForRpcs);
if (WaitingForRpcs != 0) return;
if (IdCount >= RpcInfoCache.Count) Socket.SendRequirementsMet(connection);
else RequestAssignments(connection);
}
/// <summary> Sends a message to this connection. </summary>
internal void Send(NetMessage message) {
if (this == Socket.Self) NetLog.Warning("Trying to send message to self.");
if (!message.Reliable) Unreliable.SerializeMessage(message);
else Reliable.SerializeReliableMessage(message);
}
/// <summary> Processes a response to an RPC assignment request. The assigned id and method name are added to the LocalRpcs dictionary. </summary>
internal void ReceiveAssignmentResponse(NetMessage netMessage, NetConnection connection) {
if (!connection.IsServer && !connection.IsPeer) return;
var id = (ushort) netMessage.Parameters[0];
var methodName = (string) netMessage.Parameters[1];
if (RpcInfoCache.Exists(methodName) && !idToName.ContainsKey(id)) {
idToName.Add(id, methodName);
if (!nameToId.ContainsKey(methodName)) nameToId.Add(methodName, id);
}
else NetLog.Error("Cannot assign local RPC. ID: " + id + " MethodName: " + methodName);
if (idToName.Count == RpcInfoCache.Count) Socket.SendRequirementsMet(connection);
}
/// <summary> Processes a DestroyView command, this destroys the GameObject associated with the provided viewId. </summary>
private void ReceiveDestroyView(NetMessage message, NetConnection connection) {
int viewId = (int)message.Parameters[0];
if (!ViewLookup.ContainsKey(viewId)) return;
var view = ViewLookup[viewId];
if (view.Server != connection) return;
DestroyView(view);
}
internal void Dispatch(NetMessage message, NetConnection connection) {
if (targets.ContainsKey(message.MessageId)) targets[message.MessageId](message, connection);
else if (streamTargets.ContainsKey(message.MessageId))
streamTargets[message.MessageId]((NetStream) message.Parameters[0], connection);
}
/// <summary> Sends an RPC to connections that are in-scope for the provided view. </summary>
internal void Send(NetView view, NetMessage netMessage, RpcTarget target) {
switch (target) {
case (RpcTarget.All):
for (int i = 0; i < Socket.Connections.Count; i++) {
var connection = Socket.Connections[i];
if (!connection.HasScope) continue;
if (view.Group != 0 && !connection.InGroup(view.Group)) continue;
if ((netMessage.Reliable && connection.Scope.In(view.Id)) || connection.Scope.In(view.Id, syncFrame) || view.IsController(connection)) connection.Send(netMessage);
}
break;
case (RpcTarget.Controllers):
foreach (NetConnection controller in view.Controllers) {
if (controller == Socket.Self) continue;
controller.Send(netMessage);
}
break;
case (RpcTarget.NonControllers):
for (int i = 0; i < Socket.Connections.Count; i++) {
var connection = Socket.Connections[i];
if (connection.IsServer || !connection.HasScope) continue;
if (view.IsController(connection)) continue;
if (view.Group != 0 && !connection.InGroup(view.Group)) continue;
if ((netMessage.Reliable && connection.Scope.In(view.Id)) || connection.Scope.In(view.Id, syncFrame)) connection.Send(netMessage);
}
break;
case (RpcTarget.Server):
if (view.Server != Socket.Self) view.Server.Send(netMessage);
else NetLog.Warning("Trying to send message to self.");
break;
case (RpcTarget.AllInclOutOfScope):
for (int i = 0; i < Socket.Connections.Count; i++) {
var connection = Socket.Connections[i];
if (view.Group != 0 && !connection.InGroup(view.Group)) continue;
connection.Send(netMessage);
}
break;
}
}
private void ReceiveCreateView(NetMessage message, NetConnection server) {
if (!server.IsServer && !server.IsPeer) return;
int viewId = (int)message.Parameters[0];
int group = (int)message.Parameters[1];
string prefabRoot = (string)message.Parameters[2];
var stream = (NetStream)message.Parameters[3];
NetView.Relation relation = default(NetView.Relation);
NetConnection controller = null;
switch (message.MessageId) {
case (int)ViewCmd.CreateOwnerView:
controller = Socket.Self;
relation = NetView.Relation.Owner;
break;
case (int)ViewCmd.CreatePeerView:
relation = NetView.Relation.Peer;
break;
case (int)ViewCmd.CreateCreatorView:
server = Socket.Self;
relation = NetView.Relation.Creator;
break;
case (int)ViewCmd.CreateProxyView:
relation = NetView.Relation.Proxy;
break;
}
if (relation == NetView.Relation.Creator || relation == NetView.Relation.Peer) {
var ipendpoint = (IPEndPoint)message.Parameters[4];
if (ipendpoint != null) {
if (Socket.EndpointConnected(ipendpoint)) controller = Socket.EndpointToConnection(ipendpoint);
else NetLog.Error("Failed to create view, controller endpoint not connected: " + ipendpoint);
}
}
var view = CreateView(controller, server, viewId, group, prefabRoot, relation);
view.TriggerReadInstantiateData(stream);
if (OnNetViewCreated != null) OnNetViewCreated(view);
}
/// <summary> Handles the OutOfScope command by triggering the OnOutOfScope delegate for the view. </summary>
private void ReceiveOutOfScope(NetMessage message, NetConnection connection) {
if (!connection.IsServer && !connection.IsPeer) return;
int viewId = (int)message.Parameters[0];
if (!ViewLookup.ContainsKey(viewId)) return;
ViewLookup[viewId].Scope.FireOutEvent();
}
/// <summary> Handles the ChangeServer command by changing the View's Server to that of the sender. </summary>
internal void ReceiveChangeServer(NetMessage message, NetConnection connection) {
if (!connection.IsServer && !connection.IsPeer) return;
int viewId = (int)message.Parameters[0];
if (!ViewLookup.ContainsKey(viewId)) return;
ViewLookup[viewId].Server = connection;
}
private void ReceiveMessage(NetMessage message, NetConnection connection) {
if (!ViewLookup.ContainsKey((int)message.ViewId)) return;
string methodName = Socket.Rpc.IdToName(message.MessageId);
var view = ViewLookup[(int)message.ViewId];
if (!view.IsController(connection) && connection != view.Server) {
if (!connection.IsServer) {
NetLog.Warning("Connection attempting to send to unauthorized View: " + connection.Endpoint);
return;
}
view.Server = connection;
}
view.DispatchRpc(methodName, message, connection);
}
private void DeliverSyncStream(NetMessage message, NetConnection connection) {
if (!ViewLookup.ContainsKey((int)message.ViewId)) return;
var view = ViewLookup[(int)message.ViewId];
if (!view.IsController(connection) && connection != view.Server) {
if (!connection.IsServer) {
NetLog.Warning("Connection attempting to send to unauthorized View: " + connection.Endpoint);
return;
}
view.Server = connection;
}
view.TriggerReadSync((NetStream)message.Parameters[0]);
}
/// <summary>
/// Serializes a NetMessage to the reliable stream.
/// If there is no current stream, one is prepared.
/// If the current stream cannot fit the message, it is sent and a new stream is prepared.
/// </summary>
internal void SerializeReliableMessage(NetMessage message) {
if (sendWindow.Count >= 512) return;
if (sendStream == null) InitializeStream();
if (!NetSerializer.TryWriteMessage(sendStream, message)) {
if (retryingSerialization) {
NetLog.Warning("SerializeReliableMessage failed.");
retryingSerialization = false;
return;
}
retryingSerialization = true;
FlushStream();
SerializeReliableMessage(message);
}
if (retryingSerialization) retryingSerialization = false;
}
internal void MessageReceived(NetMessage message, NetConnection connection) {
if (OnMessageReceived != null) OnMessageReceived(message, connection);
}
/// <summary> Sends an RPC to connections that are in-scope for the provided view. </summary>
internal void Send(NetView view, NetMessage netMessage, RpcTarget target)
{
switch (target)
{
case (RpcTarget.All):
for (int i = 0; i < Socket.Connections.Count; i++)
{
var connection = Socket.Connections[i];
if (!connection.HasScope)
{
continue;
}
if (view.Group != 0 && !connection.InGroup(view.Group))
{
continue;
}
if ((netMessage.Reliable && connection.Scope.In(view.Id)) || connection.Scope.In(view.Id, syncFrame) || view.IsController(connection))
{
connection.Send(netMessage);
}
}
break;
case (RpcTarget.Controllers):
foreach (NetConnection controller in view.Controllers)
{
if (controller == Socket.Self)
{
continue;
}
controller.Send(netMessage);
}
break;
case (RpcTarget.NonControllers):
for (int i = 0; i < Socket.Connections.Count; i++)
{
var connection = Socket.Connections[i];
if (connection.IsServer || !connection.HasScope)
{
continue;
}
if (view.IsController(connection))
{
continue;
}
if (view.Group != 0 && !connection.InGroup(view.Group))
{
continue;
}
if ((netMessage.Reliable && connection.Scope.In(view.Id)) || connection.Scope.In(view.Id, syncFrame))
{
connection.Send(netMessage);
}
}
break;
case (RpcTarget.Server):
if (view.Server != Socket.Self)
{
view.Server.Send(netMessage);
}
else
{
NetLog.Warning("Trying to send message to self.");
}
break;
case (RpcTarget.AllInclOutOfScope):
for (int i = 0; i < Socket.Connections.Count; i++)
{
var connection = Socket.Connections[i];
if (view.Group != 0 && !connection.InGroup(view.Group))
{
continue;
}
connection.Send(netMessage);
}
break;
}
}
