Important Update:

- FunctionCore:
  - Add OldState to ChannelStateEvent()
  - Add new method ChannelOutState()
  - Update Logging levels
- SelectableCore:
  - Restart LastAction timer of Name Resolve fail (cause delayed re-open)
- Watchdog:
  - Move JSON PingInterval param to "Config" object

FunctionCore.cpp

@@ -202,6 +202,7 @@ TChannel * CFunctionCore::AddChannel( const char * ChannelName, const EChannelSt
 
 bool CFunctionCore::SetChannelState( TChannel * Channel, const EChannelState State )
 {
+    EChannelState   OldState        = Channel->State;
     TChannelLink    * LinkChannel;
 
     // Validate
@@ -210,13 +211,13 @@ bool CFunctionCore::SetChannelState( TChannel * Channel, const EChannelState Sta
 
     // Update state
     Channel->State  = State;
-    if (Log)  Log->Message( LogLevel, dlLow, "%s/%s: Update Channel '%s' - State:%s",
+    if (Log)  Log->Message( LogLevel, dlMedium, "%s/%s: Update Channel '%s' - State:%s",
                             ProcessName, Name, Channel->Name, ChannelStateName[State] );
 
     // Update linked channels
     LinkChannel = Channel->FirstLink;
     while (LinkChannel) {
-        LinkChannel->Function->ChannelStateEvent( LinkChannel->Channel, Channel->Ref, State );
+        LinkChannel->Function->ChannelStateEvent( LinkChannel->Channel, Channel->Ref, OldState, State );
         LinkChannel = LinkChannel->Next;
     }
 
@@ -224,7 +225,7 @@ bool CFunctionCore::SetChannelState( TChannel * Channel, const EChannelState Sta
 }
 //---------------------------------------------------------------------------
 
-bool CFunctionCore::ChannelStateEvent( TChannel * Channel, const char * SourceRef, const EChannelState State )
+bool CFunctionCore::ChannelStateEvent( TChannel * Channel, const char * SourceRef, const EChannelState OldState, const EChannelState NewState )
 {
     TChannelLink    * LinkChannel;
 
@@ -233,13 +234,35 @@ bool CFunctionCore::ChannelStateEvent( TChannel * Channel, const char * SourceRe
     if (!(LinkChannel = GetLinkChannel( Channel, SourceRef )))
         return false;
 
-    if (Log)  Log->Message( LogLevel, dlLow, "%s/%s: Update Link Channel '%s'-->'%s' - State:%s",
-                            ProcessName, Name, Channel->Name, LinkChannel->Channel->Ref, ChannelStateName[State] );
+    if (Log)  Log->Message( LogLevel, dlMedium, "%s/%s: Update Link Channel '%s'-->'%s' - State:%s",
+                            ProcessName, Name, Channel->Name, LinkChannel->Channel->Ref, ChannelStateName[NewState] );
 
     return true;
 }
 //---------------------------------------------------------------------------
 
+EChannelState CFunctionCore::ChannelOutState( TChannel * Channel, const char * TargetRef )
+{
+    TChannelLink    * LinkChannel   = NULL;
+    EChannelState   State           = CH_off;
+
+    // Validate
+    if (!Channel)
+        return State;
+
+    // Check if any linked channels are ready
+    LinkChannel = Channel->FirstLink;
+    while (LinkChannel) {
+        if (!TargetRef || !*TargetRef || !strcasecmp( TargetRef, LinkChannel->Channel->Ref )) {
+            if (LinkChannel->Channel->State > State)
+                State = LinkChannel->Channel->State;
+        }
+        LinkChannel = LinkChannel->Next;
+    }
+    return State;
+}
+//---------------------------------------------------------------------------
+
 // Automated Data Input/Output
 bool CFunctionCore::LinkChannel( const char * ChannelName, const char * LinkFunctionName, const char * LinkChannelName, bool Input, bool Output )
 {

FunctionCore.h

@@ -121,7 +121,8 @@ public:
     virtual TChannel *  AddChannel( const char * ChannelName, const EChannelState State );
 
     virtual bool SetChannelState( TChannel * Channel, const EChannelState State );
-    virtual bool ChannelStateEvent( TChannel * Channel, const char * SourceRef, const EChannelState State );
+    virtual bool ChannelStateEvent( TChannel * Channel, const char * SourceRef, const EChannelState OldState, const EChannelState NewState );
+    virtual EChannelState ChannelOutState( TChannel * Channel, const char * TargetRef );
 
     // Pushing Data Output -> Input
     virtual int Output( const char * ChannelName, const char * TargetRef, const bool SourceRef, const char * Data, int Len = -1 );

SelectableCore.cpp

@@ -1060,6 +1060,7 @@ bool  CSelectableCore::ResolveAddress( THandle * Handle )
         DestroyResolveReq( Handle, true );
 
         HandleState( Handle, csFailed );
+        SetStartTime( &Handle->LastAction );    // Allow delay before retrying resolve
         return false;
     }
     return false;
@@ -1101,6 +1102,7 @@ bool CSelectableCore::HandleResolve( THandle * Handle )
         DestroyResolveReq( Handle, true );
 
         HandleState( Handle, csFailed );
+        SetStartTime( &Handle->LastAction );    // Allow delay before retrying resolve
         return false;
     }
 
@@ -1120,6 +1122,7 @@ bool CSelectableCore::HandleResolve( THandle * Handle )
         Handle->AddressInfo = NULL;
 
         HandleState( Handle, csFailed );
+        SetStartTime( &Handle->LastAction );    // Allow delay before retrying resolve
         return false;
     }
 

WatchdogCore.cpp

@@ -63,7 +63,7 @@ bool  CWatchdogCore::Init( CDataMember * FunctionConfig )
         return false;
 
     // Set specific parameters
-    SetInterval( FunctionConfig->GetChInt( "Parameters/PingInterval", 500, true ));
+    SetInterval( Config->GetChInt( "PingInterval", 500, true ));
 
     // Create handle and set reference, if not done
     if (!(Ping = GetHandle( "Ping" )))