protected void HandleWrites(SocketState ss)
{
ArrayList socks = ss.WriteSocks;
for (int i = 0; i < socks.Count; i++)
{
Socket s = (Socket)socks[i];
CreationState cs = ss.TakeCreationState(s);
if (cs != null)
{
cs.HandleWritability(s);
}
else
{
//Let's try to flush the buffer:
try {
ss.FlushSocket(s);
}
catch {
/*
* We should close this edge
*/
TcpEdge tcpe = ss.GetEdge(s);
TEL.RequestClose(tcpe);
//Go ahead and forget about this socket.
CloseAction ca = new CloseAction(tcpe, null);
ca.Start(ss);
}
}
}
}
/*
* Update the SocketState.TAA and check to see if any Edges need
* to be closed.
*/
public override void Start(SocketState ss)
{
ss.TAA = TAA;
ArrayList bad_edges = new ArrayList();
foreach (Socket s in ss.AllSockets)
{
TcpEdge e = ss.GetEdge(s);
if (e != null)
{
if (TAA.Authorize(e.RemoteTA) == TAAuthorizer.Decision.Deny)
{
//We can't close now, that would invalidate the AllSockets
//iterator
bad_edges.Add(e);
}
}
}
foreach (TcpEdge e in bad_edges)
{
EL.RequestClose(e);
CloseAction ca = new CloseAction(e, null);
ca.Start(ss);
}
}
protected void HandleReads(SocketState ss)
{
ArrayList readsocks = ss.ReadSocks;
Socket listen_sock = ss.ListenSock;
for (int i = 0; i < readsocks.Count; i++)
{
Socket s = (Socket)readsocks[i];
//See if this is a new socket
if (s == listen_sock)
{
TcpEdge e = null;
Socket new_s = null;
try {
new_s = listen_sock.Accept();
IPEndPoint rep = (IPEndPoint)new_s.RemoteEndPoint;
new_s.LingerState = new LingerOption(true, 0);
TransportAddress rta =
TransportAddressFactory.CreateInstance(TransportAddress.TAType.Tcp, rep);
if (ss.TAA.Authorize(rta) == TAAuthorizer.Decision.Deny)
{
//No thank you Dr. Evil
Console.Error.WriteLine("Denying: {0}", rta);
new_s.Close();
}
else
{
//This edge looks clean
TcpEdgeListener.SetSocketOpts(s);
e = new TcpEdge(TEL, true, new_s);
ss.AddEdge(e);
//Handle closes in the select thread:
CloseAction ca = new CloseAction(e, TEL.ActionQueue);
e.CloseEvent += ca.CloseHandler;
TEL.SendEdgeEvent(e);
}
}
catch (Exception) {
//Looks like this Accept has failed. Do nothing
//Console.Error.WriteLine("New incoming edge ({0}) failed: {1}", new_s, sx);
//Make sure the edge is closed
if (e != null)
{
TEL.RequestClose(e);
//Go ahead and forget about this socket.
CloseAction ca = new CloseAction(e, null);
ca.Start(ss);
}
else if (new_s != null)
{
//This should not be able to throw an exception:
new_s.Close();
}
}
}
else
{
ReceiveState rs = ss.GetReceiveState(s);
if (rs != null && !rs.Receive())
{
TEL.RequestClose(rs.Edge);
//Go ahead and forget about this socket.
CloseAction ca = new CloseAction(rs.Edge, null);
ca.Start(ss);
}
}
}
}
protected void HandleReads(SocketState ss) {
ArrayList readsocks = ss.ReadSocks;
Socket listen_sock = ss.ListenSock;
for(int i = 0; i < readsocks.Count; i++) {
Socket s = (Socket)readsocks[i];
//See if this is a new socket
if( s == listen_sock ) {
TcpEdge e = null;
Socket new_s = null;
try {
new_s = listen_sock.Accept();
IPEndPoint rep = (IPEndPoint)new_s.RemoteEndPoint;
new_s.LingerState = new LingerOption (true, 0);
TransportAddress rta =
TransportAddressFactory.CreateInstance(TransportAddress.TAType.Tcp, rep);
if( ss.TAA.Authorize(rta) == TAAuthorizer.Decision.Deny ) {
//No thank you Dr. Evil
Console.Error.WriteLine("Denying: {0}", rta);
new_s.Close();
}
else {
//This edge looks clean
TcpEdgeListener.SetSocketOpts(s);
e = new TcpEdge(TEL, true, new_s);
ss.AddEdge(e);
//Handle closes in the select thread:
CloseAction ca = new CloseAction(e, TEL.ActionQueue);
e.CloseEvent += ca.CloseHandler;
TEL.SendEdgeEvent(e);
}
}
catch(Exception) {
//Looks like this Accept has failed. Do nothing
//Console.Error.WriteLine("New incoming edge ({0}) failed: {1}", new_s, sx);
//Make sure the edge is closed
if( e != null ) {
TEL.RequestClose(e);
//Go ahead and forget about this socket.
CloseAction ca = new CloseAction(e, null);
ca.Start(ss);
}
else if( new_s != null) {
//This should not be able to throw an exception:
new_s.Close();
}
}
}
else {
ReceiveState rs = ss.GetReceiveState(s);
if( rs != null && !rs.Receive() ) {
TEL.RequestClose(rs.Edge);
//Go ahead and forget about this socket.
CloseAction ca = new CloseAction(rs.Edge, null);
ca.Start(ss);
}
}
}
}
protected void HandleWrites(SocketState ss) {
ArrayList socks = ss.WriteSocks;
for(int i = 0; i < socks.Count; i++) {
Socket s = (Socket)socks[i];
CreationState cs = ss.TakeCreationState( s );
if( cs != null ) {
cs.HandleWritability(s);
}
else {
//Let's try to flush the buffer:
try {
ss.FlushSocket(s);
}
catch {
/*
* We should close this edge
*/
TcpEdge tcpe = ss.GetEdge(s);
TEL.RequestClose(tcpe);
//Go ahead and forget about this socket.
CloseAction ca = new CloseAction(tcpe, null);
ca.Start(ss);
}
}
}
}
/*
* Update the SocketState.TAA and check to see if any Edges need
* to be closed.
*/
public override void Start(SocketState ss) {
ss.TAA = TAA;
ArrayList bad_edges = new ArrayList();
foreach(Socket s in ss.AllSockets) {
TcpEdge e = ss.GetEdge(s);
if( e != null ) {
if( TAA.Authorize( e.RemoteTA ) == TAAuthorizer.Decision.Deny ) {
//We can't close now, that would invalidate the AllSockets
//iterator
bad_edges.Add(e);
}
}
}
foreach(TcpEdge e in bad_edges) {
EL.RequestClose(e);
CloseAction ca = new CloseAction(e, null);
ca.Start(ss);
}
}
