public override void SendPacket(IPacket packet, IInterfaceView from)
{
if (packet == null)
throw new ArgumentNullException ();
if (from == null)
throw new ArgumentNullException ();
if (!this.endpoints.Contains (from))
throw new ArgumentException ();
var endpoint_index = packet.Data [0];
if (endpoint_index >= this.EndPointsCount)
return;
this.State = StateMock.BUSY;
this.clock.RegisterActionAtTime (MathHelper.CalculateTime (packet.Data.Length, this.Speed),
() => {
this.State = StateMock.FREE;
this.OnTransmit (this, packet);
this.endpoints [endpoint_index].ReceivePacket (
packet);
});
}
public void DetachEndPoint(IInterfaceView iface)
{
Contract.Requires <ArgumentNullException> (iface != null);
Contract.Ensures (Contract.ForAll (this.EndPoints, i => i != iface));
Contract.EnsuresOnThrow <InterfaceNotAttachedToBackboneException> (iface.Backbone == null ||
Contract.ForAll (this.EndPoints,
i => i != iface));
}
public void DispatchPacket_ToInterface(IPacket packet, IInterfaceView iface)
{
if (packet == null)
throw new ArgumentNullException ("packet");
if (iface == null)
throw new ArgumentNullException ("iface");
}
public void AttachEndPoint(IInterfaceView iface)
{
Contract.Requires <ArgumentNullException> (iface != null);
Contract.Ensures (Contract.Exists (this.EndPoints, i => i == iface));
Contract.EnsuresOnThrow <InterfaceAlreadyAttachedToBackboneException> (iface.Backbone != null ||
Contract.Exists (this.EndPoints,
i => i == iface));
Contract.EnsuresOnThrow <EndPointsOverflowException> (this.EndPointsCount >= this.EndPointsCapacity);
}
/// <summary>
/// Получает префикс имени интерфейса, связанный с классом объекта интерфейса.
/// </summary>
/// <param name = "iface">Объект интерфейса, префикс имени которого нужно получить.</param>
/// <returns>Префикс имени интерфейса или <c>null</c>, если атрибут не найден.</returns>
/// <exception cref = "ArgumentNullException"><paramref name = "iface" /> является <c>null</c>.</exception>
public static string GetPrefix(IInterfaceView iface)
{
if (iface == null)
throw new ArgumentNullException ("iface");
return
(from InterfacePrefixAttribute attr in
iface.GetType ().GetCustomAttributes (typeof (InterfacePrefixAttribute), false)
select attr.Prefix).FirstOrDefault ();
}
/// <inheritdoc />
public override void SendPacket (IPacket packet, IInterfaceView from) {
/*
* todo:
* 1. –еализовать возможность full-duplex, half-duplex
* 2. ”точнить максимальный интервал ожидани¤ ретрансл¤ции в документации.
* 3. ¬ытащить константу ожидани¤ отдельно (дл¤ возможности переопределени¤).
* 4. —делать расчЄт времени передачи сообщени¤.
*/
if (packet == null)
throw new ArgumentNullException ("packet");
if (from == null)
throw new ArgumentNullException ("from");
if (!this.endpoints.Contains (from))
throw new InterfaceNotAttachedToBackboneException (from.Name, this.Name);
if (this.endpoints.Count != 2)
throw new Exception ();
//if (this.State.Equals (WireState.WIRE_BUSY)) {
// this.packets.Enqueue (new Pair <IPacket, IInterfaceView> (packet, from));
// var time = (ulong) new Random ().Next (100);
// this.clock.RegisterActionAtTime (time,
// () => {
// var entry = this.packets.Dequeue ();
// this.SendPacket (entry.First, entry.Second);
// });
// return;
//}
this.State = WireState.WIRE_BUSY;
var iface = (this.EndPoints.First () == from) ? this.EndPoints.Last () : this.EndPoints.First ();
if (new Random ().NextDouble () < this.LossPercent)
return;
this.clock.RegisterAction (() => {
this.State = WireState.WIRE_FREE;
this.OnTransmit.Invoke (this, packet);
iface.ReceivePacket (packet);
});
}
public override void SendPacket(IPacket packet, IInterfaceView from)
{
if (packet == null)
throw new ArgumentNullException ();
if (from == null)
throw new ArgumentNullException ();
if (!this.endpoints.Contains (from))
throw new ArgumentException ();
this.State = StateMock.BUSY;
foreach (var endpoint in this.EndPoints.Where (_ => _ != from)) {
var endpoint1 = endpoint;
this.clock.RegisterActionAtTime (MathHelper.CalculateTime (packet.Data.Length, this.Speed),
() => {
this.State = StateMock.FREE;
this.OnTransmit (this, packet);
endpoint1.ReceivePacket (packet);
});
}
}
public void ProcessPacket(IPacket packet, IInterfaceView from)
{
}
public abstract void SendPacket(IPacket packet, IInterfaceView from);
public void SendPacket(IPacket packet, IInterfaceView from)
{
Contract.Requires <ArgumentNullException> (packet != null);
Contract.Requires <ArgumentNullException> (from != null);
}
public abstract void ProcessPacket(IPacket packet, IInterfaceView from);
/// <inheritdoc />
public virtual void DetachEndPoint(IInterfaceView iface)
{
if (iface.Backbone != this || ! this.endpoints.Contains (iface))
throw new InterfaceNotAttachedToBackboneException (iface.Name, this.Name);
this.endpoints.Remove (iface);
}
/// <inheritdoc />
public virtual void AttachEndPoint(IInterfaceView iface)
{
if (iface.Backbone != null || this.endpoints.Contains (iface))
throw new InterfaceAlreadyAttachedToBackboneException (iface.Name);
if (this.EndPointsCount >= this.EndPointsCapacity)
throw new EndPointsOverflowException (this.Name, this.EndPointsCapacity);
this.endpoints.Add (iface);
}
public void ProcessPacket(IPacket packet, IInterfaceView from)
{
Contract.Requires <ArgumentNullException> (packet != null);
Contract.Requires <ArgumentNullException> (from != null);
Contract.Requires <InterfaceNotAttachedToDeviceException> (Contract.Exists (this.Interfaces, i => i == from));
}
public void SendPacket(IPacket packet, IInterfaceView from)
{
}
public virtual void DispatchPacket(IPacket packet, IInterfaceView iface)
{
}
public void DetachEndPoint(IInterfaceView iface)
{
}
public void DispatchPacket(IPacket packet, IInterfaceView iface)
{
Contract.Requires <ArgumentNullException> (packet != null);
Contract.Requires <ArgumentNullException> (iface != null);
}
public void DetachEndPoint(IInterfaceView iface)
{
if (iface == null)
throw new ArgumentNullException ();
if (iface.Backbone != this || ! this.endpoints.Contains (iface))
throw new ArgumentException ();
for (var i = 0; i < this.endpoints.Count; ++ i) {
if (this.endpoints [i] == iface) {
this.endpoints [i] = null;
break;
}
}
}
public void ProcessPacket(IPacket packet, IInterfaceView from)
{
if (packet == null || from == null)
throw new ArgumentNullException ();
if (! this.interfaces.Contains (from))
throw new ArgumentException ();
if (this.OnBeforeProcessPacket != null)
this.OnBeforeProcessPacket.Invoke (this);
if (this.OnProcessPacket != null)
this.OnProcessPacket.Invoke (packet, from);
}
public void AttachEndPoint(IInterfaceView iface)
{
if (iface == null)
throw new ArgumentNullException ();
if (iface.Backbone != null)
throw new ArgumentException ();
for (var i = 0; i < this.endpoints.Count; ++ i) {
if (this.endpoints [i] == null) {
this.endpoints [i] = iface;
return;
}
}
throw new EndPointsOverflowException (this.Name, this.EndPointsCapacity);
}
public void DispatchPacket(IPacket packet, IInterfaceView iface)
{
// todo
}
