public override bool SendTo(ClientId id, IMessage msg)
{
var cl = clients[id];
if (cl.DeferredDisconnect)
{
Root.Log(LogLevel.Debug, "Server: attempt to send message to disconnected client");
return(false);
}
using (var rawBuf = new MemoryStream())
{
var buf = rawBuf.AsUnclosable();
var header = new MsgHeader {
Id = msg.Id, Flags = MessageFlags.None
};
if (cl.Secure)
{
using (var container = new MessageCryptoContainer())
{
symCp.Key = cl.SessionKey;
// XXX: generate new symCp.IV
container.Store(msg, symCp, Protocol);
container.Save(buf, Protocol);
header.Size = (int)buf.Length;
header.Flags |= MessageFlags.Secure;
}
}
else
{
msg.Save(buf, Protocol);
header.Size = (int)buf.Length;
}
try
{
header.Save(cl.NetStream, Protocol);
rawBuf.WriteTo(cl.NetStream);
}
catch (IOException e)
{
if (NetUtil.CheckConnectionReset(e))
{
OnClientConnectionReset(cl);
return(false);
}
throw;
}
return(true);
}
}
// XXX: write generalized version (both for server and client) and move to core
public override bool Send(IMessage msg)
{
if (!Connected)
{
Root.Log(LogLevel.Debug, "Client: attempt to send message with no connection");
return(false);
}
using (var rawBuf = new MemoryStream())
{
var buf = rawBuf.AsUnclosable();
var header = new MsgHeader();
header.Id = msg.Id;
header.Flags = MessageFlags.None;
if (sessionKey != null)
{
using (var container = new MessageCryptoContainer())
{
symCp.Key = sessionKey;
// XXX: generate new symCp.IV
container.Store(msg, symCp, cfg.Protocol);
container.Save(buf, cfg.Protocol);
header.Size = (int)buf.Length;
header.Flags |= MessageFlags.Secure;
}
}
else
{
msg.Save(buf, cfg.Protocol);
header.Size = (int)buf.Length;
}
try
{
header.Save(netStream, cfg.Protocol);
rawBuf.WriteTo(netStream);
}
catch (IOException e)
{
if (NetUtil.CheckConnectionReset(e))
{
OnServerConnectionReset();
return(false);
}
throw;
}
}
return(true);
}