mysticbbs/mystic/mis_nodedata.pas

148 lines
2.9 KiB
ObjectPascal

{$I M_OPS.PAS}
Unit MIS_NodeData;
// annoying node data class used until we fuse MIS and Mystic together
Interface
Uses
BBS_DataBase,
MIS_Common;
Type
TNodeInfoRec = Record
Num : Byte;
Busy : Boolean;
User : String;
Action : String;
IP : String;
End;
TNodeData = Class
NodeInfo : Array[1..199] of TNodeInfoRec;
NodeTotal : Byte;
Critical : TRTLCriticalSection;
Constructor Create (Nodes: Byte);
Destructor Destroy; Override;
Procedure SynchronizeNodeData;
Function GetNodeTotal : LongInt;
Function GetNodeInfo (Num: Byte; Var NI: TNodeInfoRec): Boolean;
Procedure SetNodeInfo (Num: Byte; NI: TNodeInfoRec);
Function GetFreeNode : LongInt;
End;
Implementation
Uses
m_FileIO,
m_Strings,
BBS_Records;
Procedure TNodeData.SynchronizeNodeData;
Var
ChatFile : File of ChatRec;
Chat : ChatRec;
Count : LongInt;
NI : TNodeInfoRec;
Begin
For Count := 1 to NodeTotal Do Begin
GetNodeInfo (Count, NI);
Assign (ChatFile, bbsCfg.DataPath + 'chat' + strI2S(NI.Num) + '.dat');
If ioReset(ChatFile, SizeOf(ChatRec), fmRWDN) Then Begin
ioRead (ChatFile, Chat);
Close (ChatFile);
NI.Busy := Chat.Active;
NI.User := Chat.Name;
NI.Action := Chat.Action;
End Else
NI.Busy := False;
SetNodeInfo (NI.Num, NI);
End;
End;
Function TNodeData.GetFreeNode : LongInt;
Var
Count : LongInt;
Begin
EnterCriticalSection(Critical);
Result := -1;
For Count := 1 to NodeTotal Do
If Not NodeInfo[Count].Busy Then Begin
NodeInfo[Count].Busy := True;
Result := NodeInfo[Count].Num;
Break;
End;
LeaveCriticalSection(Critical);
End;
Function TNodeData.GetNodeInfo (Num: Byte; Var NI: TNodeInfoRec) : Boolean;
Begin
EnterCriticalSection(Critical);
Result := False;
FillChar(NI, SizeOf(NI), 0);
If Num <= NodeTotal Then Begin
NI := NodeInfo[Num];
Result := True;
End;
LeaveCriticalSection(Critical);
End;
Procedure TNodeData.SetNodeInfo (Num: Byte; NI: TNodeInfoRec);
Var
Count : LongInt;
Begin
EnterCriticalSection(Critical);
For Count := 1 to NodeTotal Do
If NodeInfo[Count].Num = Num Then
NodeInfo[Count] := NI;
LeaveCriticalSection(Critical);
End;
Function TNodeData.GetNodeTotal : LongInt;
Begin
EnterCriticalSection(Critical);
Result := NodeTotal;
LeaveCriticalSection(Critical);
End;
Constructor TNodeData.Create (Nodes: Byte);
Var
Count : SmallInt;
Begin
InitCriticalSection(Critical);
NodeTotal := Nodes;
For Count := 1 to NodeTotal Do
NodeInfo[Count].Num := Count;
SynchronizeNodeData;
End;
Destructor TNodeData.Destroy;
Begin
DoneCriticalSection(Critical);
Inherited Destroy;
End;
End.