mysticbbs/mystic/bbs_core.pas

394 lines
9.5 KiB
ObjectPascal

Unit BBS_Core;
{$I M_OPS.PAS}
Interface
Uses
m_io_Base,
{$IFNDEF UNIX}
m_io_Sockets,
{$ENDIF}
m_FileIO,
m_Strings,
m_Pipe,
m_DateTime,
BBS_Common,
BBS_IO,
BBS_MsgBase,
BBS_User,
BBS_FileBase,
BBS_Menus,
MPL_Execute;
Const
mysMessageThreshold = 3;
Type
TBBSCore = Class
{$IFNDEF UNIX}
Client : TIOBase;
{$ENDIF}
User : TBBSUser;
Msgs : TMsgBase;
FileBase : TFileBase;
Menu : TMenuEngine;
IO : TBBSIO;
Pipe : TPipe;
EventFile : File of EventRec;
ThemeFile : File of RecTheme;
VoteFile : File of VoteRec;
Vote : VoteRec;
CommHandle : LongInt;
ShutDown : Boolean;
TempPath : String;
Event : EventRec;
NextEvent : EventRec;
Theme : RecTheme;
LocalMode : Boolean;
Baud : LongInt;
ExitLevel : Byte;
EventWarn : Boolean;
EventExit : Boolean;
EventRunAfter : Boolean;
NodeNum : Byte;
TimerStart : Integer;
TimerEnd : Integer;
LastTimeLeft : Integer;
TimeOut : LongInt;
UserHostInfo : String[50];
UserIPInfo : String[15];
CheckTimeOut : Boolean;
TimeOffset : Word;
TimeSaved : Word;
TimerOn : Boolean;
TimeChecked : Boolean;
ConfigMode : Boolean;
InUserEdit : Boolean;
AllowMessages : Boolean;
InMessage : Boolean;
MessageCheck : Byte;
HistoryFile : File of RecHistory;
HistoryEmails : Word;
HistoryPosts : Word;
HistoryDLs : Word;
HistoryDLKB : LongInt;
HistoryULs : Word;
HistoryULKB : LongInt;
HistoryHour : SmallInt;
PromptFile : File of RecPrompt;
Prompt : RecPrompt;
Constructor Create;
Destructor Destroy; Override;
Procedure UpdateHistory;
Procedure FindNextEvent;
Function GetPrompt (N : Word) : String;
Procedure SystemLog (Str: String);
Function MinutesUntilEvent (ExecTime: Integer): Integer;
Procedure SetTimeLeft (Mins: Integer);
Function ElapsedTime : Integer;
Function TimeLeft : Integer;
Function LoadThemeData (Str: String) : Boolean;
End;
Var
Session : TBBSCore;
Implementation
Constructor TBBSCore.Create;
Begin
Inherited Create;
HistoryEmails := 0;
HistoryPosts := 0;
HistoryDLs := 0;
HistoryDLKB := 0;
HistoryULs := 0;
HistoryULKB := 0;
HistoryHour := 0;
ShutDown := False;
CommHandle := -1;
LocalMode := False;
Baud := 38400;
ExitLevel := 0;
EventWarn := False;
EventExit := False;
EventRunAfter := False;
NodeNum := 0;
UserHostInfo := '';
UserIPInfo := '';
CheckTimeOut := True;
TimeOut := TimerSeconds;
TimeOffset := 0;
TimeSaved := 0;
TimerOn := False;
TimeChecked := False;
ConfigMode := False;
InUserEdit := False;
AllowMessages := True;
InMessage := False;
MessageCheck := mysMessageThreshold;
{$IFNDEF UNIX}
Client := TIOSocket.Create;
TIOSocket(Client).FTelnetServer := True;
{$ENDIF}
User := TBBSUser.Create(Pointer(Self));
IO := TBBSIO.Create(Pointer(Self));
Msgs := TMsgBase.Create(Pointer(Self));
FileBase := TFileBase.Create(Pointer(Self));
Menu := TMenuEngine.Create(Pointer(Self));
End;
Destructor TBBSCore.Destroy;
Begin
Pipe.Free;
Msgs.Free;
FileBase.Free;
Menu.Free;
User.Free;
IO.Free;
Close (PromptFile);
{$IFDEF WINDOWS}
Client.Free;
{$ENDIF}
Inherited Destroy;
End;
Procedure TBBSCore.UpdateHistory;
Var
History : RecHistory;
Begin
If User.ThisUser.Flags AND UserNoHistory <> 0 Then Exit;
Assign (HistoryFile, Config.DataPath + 'history.dat');
If Not ioReset (HistoryFile, SizeOf(RecHistory), fmRWDN) Then
ioReWrite(HistoryFile, SizeOf(RecHistory), fmRWDW);
History.Date := CurDateDos;
While Not Eof(HistoryFile) Do Begin
ioRead (HistoryFile, History);
If DateDos2Str(History.Date, 1) = DateDos2Str(CurDateDos, 1) Then Begin
ioSeek (HistoryFile, FilePos(HistoryFile) - 1);
Break;
End;
End;
If Eof(HistoryFile) Then Begin
FillChar(History, SizeOf(History), 0);
History.Date := CurDateDos;
End;
Inc (History.Emails, HistoryEmails);
Inc (History.Posts, HistoryPosts);
Inc (History.Downloads, HistoryDLs);
Inc (History.Uploads, HistoryULs);
Inc (History.DownloadKB, HistoryDLKB);
Inc (History.UploadKB, HistoryULKB);
If Not LocalMode And (User.ThisUser.Flags AND UserNoLastCall = 0) Then
Inc (History.Calls, 1);
If User.ThisUser.Calls = 1 Then Inc (History.NewUsers, 1);
If Not LocalMode Then Inc (History.Hourly[HistoryHour]);
ioWrite (HistoryFile, History);
Close (HistoryFile);
End;
Procedure TBBSCore.FindNextEvent;
Var
MinCheck : Integer;
Begin
NextEvent.Active := False;
MinCheck := -1;
Assign (EventFile, Config.DataPath + 'events.dat');
ioReset (EventFile, SizeOf(EventRec), fmRWDN);
If IoResult <> 0 Then ioReWrite (EventFile, SizeOf(EventRec), fmRWDN);
While Not Eof(EventFile) Do Begin
ioRead (EventFile, Event);
If MinCheck = -1 Then Begin
If Event.Active and ((Event.Node = 0) or (Event.Node = NodeNum)) Then begin
MinCheck := MinutesUntilEvent(Event.ExecTime);
NextEvent := Event;
End;
End Else
If (Event.Active) and ((Event.Node = 0) or (Event.Node = NodeNum)) and (MinutesUntilEvent(Event.ExecTime) < MinCheck) Then Begin
MinCheck := MinutesUntilEvent(Event.ExecTime);
NextEvent := Event;
End;
End;
Close (EventFile);
End;
Function TBBSCore.GetPrompt (N : Word) : String;
Begin
{$I-}
Seek (PromptFile, N);
Read (PromptFile, Prompt);
{$I+}
If IoResult <> 0 Then Begin
FileMode := 66;
{$I-}
Assign (PromptFile, Config.DataPath + Theme.FileName + '.thm');
Reset (PromptFile);
Seek (PromptFile, N);
Read (PromptFile, Prompt);
{$I+}
If IoResult <> 0 Then Begin
io.OutFull ('|CR|12Error reading prompt ' + strI2S(N) + '|DE|DE');
SystemLog ('Error reading prompt ' + strI2S(N));
Halt (1);
End;
End;
If Prompt[1] = '@' Then Begin
io.OutFile (Copy(Prompt, 2, Length(Prompt)), True, 0);
Prompt := '';
End Else
If Prompt[1] = '!' Then Begin
ExecuteMPL (NIL, Copy(Prompt, 2, Length(Prompt)));
Prompt := '';
End;
Result := Prompt;
End;
Procedure TBBSCore.SystemLog (Str: String);
Var
tLOG : Text;
Begin
Assign (tLOG, Config.LogsPath + 'sysop.' + strI2S(NodeNum));
{$I-} Append(tLOG); {$I+}
If IoResult <> 0 Then ReWrite (tLOG);
If Str = '-' Then
WriteLn (tLOG, strRep('-', 40))
Else
WriteLn (tLOG, DateDos2Str(CurDateDos, 1) + ' ' + TimeDos2Str(CurDateDos, False) + ' ' + Str);
Close (tLOG);
End;
Function TBBSCore.MinutesUntilEvent (ExecTime: Integer): Integer;
Begin {exits if 0 mins}
If ExecTime > TimerMinutes Then Result := ExecTime - TimerMinutes Else
If TimerMinutes > ExecTime Then Result := 1440 - TimerMinutes + ExecTime Else
If NextEvent.Active Then Begin
If DateDos2Str(NextEvent.LastRan, 1) = DateDos2Str(CurDateDos, 1) Then Begin
Result := 1440; {if it was already ran...}
Exit;
End;
If NextEvent.Forced Then Begin
EventExit := True;
{$IFDEF UNIX}
io.OutFullLn (GetPrompt(137));
SystemLog ('User disconnected for system event');
{$ELSE}
If Not LocalMode Then begin
io.OutFullLn (GetPrompt(137));
SystemLog('User disconnected for system event');
End;
{$ENDIF}
SystemLog('Event: ' + NextEvent.Name);
Halt (NextEvent.ErrLevel);
End Else
EventRunAfter := True;
End;
End;
Procedure TBBSCore.SetTimeLeft (Mins: Integer);
Begin
TimerStart := TimerMinutes;
TimerEnd := TimerStart + Mins;
TimerOn := True;
End;
Function TBBSCore.ElapsedTime : Integer;
Begin
If TimerStart > TimerMinutes Then Begin
Dec (TimerStart, 1440);
Dec (TimerEnd, 1440);
SetTimeLeft (User.Security.Time);
End;
ElapsedTime := TimerMinutes - TimerStart;
End;
Function TBBSCore.TimeLeft : Integer;
Begin
If Not TimerOn Then Begin
TimeLeft := 0;
Exit;
End;
If TimerStart > TimerMinutes Then Begin
Dec (TimerStart, 1440);
Dec (TimerEnd, 1440);
SetTimeLeft (User.Security.Time);
End;
TimeLeft := TimerEnd - TimerMinutes;
End;
Function TBBSCore.LoadThemeData (Str: String) : Boolean;
Var
TempTheme : RecTheme;
Begin
Result := False;
Reset (ThemeFile);
While Not Eof(ThemeFile) Do Begin
Read (ThemeFile, TempTheme);
{$IFDEF FS_SENSITIVE}
If TempTheme.FileName = Str Then Begin
{$ELSE}
If strUpper(TempTheme.FileName) = strUpper(Str) Then Begin
{$ENDIF}
If Not FileExist(Config.DataPath + TempTheme.FileName + '.thm') Then Break;
{$I-} Close (PromptFile); {$I+}
If IoResult <> 0 Then;
Assign (PromptFile, Config.DataPath + TempTheme.FileName + '.thm');
Result := ioReset(PromptFile, SizeOf(RecPrompt), fmRWDN);
Break;
End;
End;
Close (ThemeFile);
If Result Then Theme := TempTheme;
End;
End.