/// <summary>
///
/// </summary>
/// <param name="cp"></param>
internal static void ClearBind(CommuniPort cp)
{
if (cp.Station != null)
{
Unbind(cp.Station, cp);
}
}
public CommuniPortState(CommuniPort cp)
{
if (cp == null)
throw new ArgumentNullException("cp");
this._communiPort = cp;
this.DT = DateTime.Now;
}
/// <summary>
/// ����communiPort����Station, ���Ҳ�������null
/// </summary>
/// <param name="communiPort"></param>
/// <returns></returns>
public Station FindStation(CommuniPort communiPort)
{
foreach (Station st in this.Stations)
{
if (communiPort.Match(st.CommuniType))
{
return st;
}
}
return null;
}
/// <summary>
///
/// </summary>
/// <param name="stations"></param>
/// <param name="cp"></param>
internal static bool Bind(StationCollection stations, CommuniPort cp)
{
if (stations == null)
throw new ArgumentNullException("stations");
if (cp == null)
throw new ArgumentNullException("cp");
if (cp is SocketCommuniPort)
{
return Bind(stations, cp as SocketCommuniPort);
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="st"></param>
/// <param name="cp"></param>
internal static void Unbind(Station st, CommuniPort cp)
{
if (st == null)
throw new ArgumentNullException("st");
if (cp == null)
throw new ArgumentNullException("cp");
if (st.CommuniPort == null && cp.Station == null)
return;
Debug.Assert(
st.CommuniPort != null &&
cp.Station != null &&
st.CommuniPort == cp &&
cp.Station == st,
"Unbind(Station, CommuniPort) assert fail");
st.CommuniPort = null;
cp.Station = null;
}
/// <summary>
///
/// </summary>
/// <param name="checkedTasks"></param>
/// <param name="task"></param>
/// <param name="cp"></param>
private bool ExecuteTask(Task task, CommuniPort cp)
{
// TODO: 2011-04-19
// 1. executing task event before send bytes ?
// 2. user define send bytes
//
// 2010-09-15
//
//OnExecuting(task);
if (CommuniSoft.IsUseUISynchronizationContext)
{
CommuniSoft.UISynchronizationContext.Post(
this.ExecutingCallback,
task);
}
else
{
OnExecuting(task);
}
byte[] bytes = task.GetSendBytes();
bool writeSuccess = cp.Write(bytes);
if (writeSuccess)
{
// log send bytes: station - devicetype - bytes
//
LogSend(task, bytes);
cp.Occupy(this.Timeout);
task.LastExecute = DateTime.Now;
}
return writeSuccess;
}
/// <summary>
///
/// </summary>
/// <param name="fromCommuniPort"></param>
/// <param name="pr"></param>
public FDEventArgs(CommuniPort fromCommuniPort, string deviceType, string operaName, ParseResult pr)
{
if (fromCommuniPort == null)
throw new ArgumentNullException("fromCommuniPort");
//if (opera == null)
//throw new ArgumentNullException("opera");
if (pr == null)
throw new ArgumentNullException("pr");
this._from = fromCommuniPort;
this._pr = pr;
this._deviceType = deviceType;
this._operaName = operaName;
}
public CommuniPortReceivedEventArgs(CommuniPort cp, byte[] bytes)
{
if (cp == null)
throw new ArgumentNullException("cp");
this._communiPort = cp;
this._receivedBytes = bytes;
}
/// <summary>
///
/// </summary>
private void UnreginsterEvents( CommuniPort cp)
{
SocketCommuniPort sckcp = cp as SocketCommuniPort;
sckcp.ClosedEvent -= new EventHandler(sckcp_ClosedEvent);
sckcp.ReceivedEvent -= new EventHandler(sckcp_ReceivedEvent);
}
/// <summary>
///
/// </summary>
/// <param name="st"></param>
/// <param name="cp"></param>
private static bool Bind(Station st, CommuniPort cp)
{
if (st == null)
throw new ArgumentNullException("st");
if (cp == null)
throw new ArgumentNullException("cp");
Debug.Assert(st.CommuniPort == null &&
cp.Station == null,
"Bind fail, st.CommuniPort or cp.Station not null");
//Unbind(st, cp);
st.CommuniPort = cp;
cp.Station = st;
return true;
}
/// <summary>
///
/// </summary>
private void RegisterEvents( CommuniPort cp )
{
SocketCommuniPort sckcp = cp as SocketCommuniPort;
if (sckcp != null)
{
sckcp.ClosedEvent += new EventHandler(sckcp_ClosedEvent);
sckcp.ReceivedEvent += new EventHandler(sckcp_ReceivedEvent);
}
}
/// <summary>
///
/// </summary>
/// <param name="cp"></param>
private void OnCollectionChanged( ChangedType changedType, CommuniPort cp)
{
if (this.CollectionChanged != null)
{
CollectionChangedEventHandler temp = this.CollectionChanged;
CollectionChangedEventArgs e = new CollectionChangedEventArgs(
//ChangedType.Add,
changedType,
cp);
temp(this, e);
}
}
/// <summary>
/// ɾ���������Ѿ����ڵģ���ͬԶ�̵�ַ��SocketCommuniPort
/// </summary>
/// <param name="cp"></param>
private void BeforeAdd(CommuniPort cp)
{
// TODO: allow same ip address option
//
if (cp is SocketCommuniPort)
{
SocketCommuniPort scp = cp as SocketCommuniPort;
for (int i = this.CommuniPorts.Count - 1; i >= 0; i--)
{
CommuniPort cp2 = this.CommuniPorts[i];
if (cp2 is SocketCommuniPort)
{
SocketCommuniPort scp2 = cp2 as SocketCommuniPort;
IPEndPoint ipep = scp.RemoteEndPoint as IPEndPoint;
IPEndPoint ipep2 = scp2.RemoteEndPoint as IPEndPoint;
if (ipep.Address.Equals(ipep2.Address))
{
Remove(cp2);
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="cp"></param>
public bool Remove(CommuniPort cp)
{
if (this.CommuniPorts.Remove(cp))
{
UnreginsterEvents(cp);
OnCollectionChanged(ChangedType.Remove, cp);
return true;
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="cp"></param>
public void Add(CommuniPort cp)
{
BeforeAdd(cp);
this.CommuniPorts.Add(cp);
RegisterEvents(cp);
OnCollectionChanged( ChangedType.Add, cp);
}
