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| unit ShaiTrollInterOp_Classes;
{$WARN SYMBOL_PLATFORM OFF}
interface
uses Windows, SysUtils, Classes, ComObj, Math, StrUtils, IniFiles, dialogs,
ShaiTrollInterOpCOM_TLB;
// http://msdn.microsoft.com/en-us/library/aa366537(VS.85).aspx
// http://msdn.microsoft.com/en-us/library/aa366551(VS.85).aspx
type
EShaiTrollInterOpCommunicationInterCOMInstanceError = class(EOleSysError)
public
constructor Create(const Msg: string; ErrorCode: HRESULT = E_UNEXPECTED);
constructor CreateFmt(const Msg: string; const Args: array of const; ErrorCode: HRESULT = E_UNEXPECTED);
end;
TShaiTrollInterOpCommunicationInterCOMInstanceEventLogType = (ltNone, ltException, ltError, ltWarning, ltInfo);
TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer = class;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient = class;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList = class;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener = class;
TShaiTrollInterOpCommunicationInterCOMInstancePacketList = class;
TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher = class;
TShaiTrollInterOpCommunicationInterCOMInstanceSender = class;
TShaiTrollInterOpCommunicationInterCOMInstanceManager = class
private
FEvents: IShaiTrollInterOpEvents;
FIniFile: TIniFile;
FModeServer: Boolean;
FLocalLogPath: string;
FLocalLogPathDate: TDateTime;
FLastMessageID: Cardinal;
FServer: TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer;
FClient: TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
FClientList: TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList;
FListener: TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener;
FPacketToDispatchList: TShaiTrollInterOpCommunicationInterCOMInstancePacketList;
FDispatcher: TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher;
FPacketToSendList: TShaiTrollInterOpCommunicationInterCOMInstancePacketList;
FSender: TShaiTrollInterOpCommunicationInterCOMInstanceSender;
private
function PickPacket(AList: TShaiTrollInterOpCommunicationInterCOMInstancePacketList; out APacket: Pointer; out More: Boolean): Boolean;
function GetCurrentModuleFileName: string;
function MakeError(const Context: string; const ErrorCode: HRESULT): EShaiTrollInterOpCommunicationInterCOMInstanceError;
procedure WriteLog(const LogName: string; LogType: TShaiTrollInterOpCommunicationInterCOMInstanceEventLogType; const LogTitle: string; LogMessage: string = ''; AddDate: Boolean = True);
procedure WriteDebug(const LogName: string; const LogTitle: string; LogMessage: string = ''; AddDate: Boolean = True);
function GetLocalLogPath(): string;
function DebugDummyClient(): Boolean;
function DebugTraceAllow(): Boolean;
function DebugTraceCanal(): Boolean;
function DebugTraceMisc(): Boolean;
public
destructor Destroy(); override;
function BuildMessageID: Cardinal;
procedure AddPacketToDispatch(Packet: Pointer);
function PickPacketToDispatch(out APacket: Pointer; out More: Boolean): Boolean;
function DispatchPacket(out Packet: Pointer; More: PBoolean = nil): Boolean;
procedure AddPacketToSend(Packet: Pointer);
function PickPacketToSend(out APacket: Pointer; out More: Boolean): Boolean;
function NewClient(ClientID: THandle): Integer;
function FindClient(ClientID: THandle): TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
procedure DisposeClient(ClientID: THandle);
function StartConnection(ModeServer: WordBool): WordBool;
function SaisieEvent(const NumRef: WideString; TypeK: Integer; TypeEvent: Integer;
const NumEvent_EV_K: WideString): IShaiTrollInterOpEventIDList;
procedure MajEvent(const NumRef: WideString; TypeK: Integer);
property InterOpEvents: IShaiTrollInterOpEvents read FEvents write FEvents;
property ModeServer: Boolean read FModeServer;
property Server: TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer read FServer;
end;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList = class(TThreadList)
private
FManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager;
public
constructor Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
destructor Destroy(); override;
procedure Clear();
function NewClient(ClientID: THandle): Integer;
function FindClient(ClientID: THandle): TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
procedure DisposeClient(ClientID: THandle);
end;
// Fonctionnalité nécessaire
// Créer un channel serveur réservé à celui qui écoute les demandes :
// .Permanent
// - CreateFileMapping Global et MapViewOfFile à chaque lecture du Canal de Demande (code NeoInterOp_Server_Event, NeoInterOp_Server_ShareMem, NeoInterOp_Server_ShareMutex, NeoInterOp_Server_Unique)
// - Création du Signal de Demande par Event
// - Thread de Lecture (Attente de l'Event Signal de Demande via WaitForSingleObject)
// - Création du Mutex du Canal de Demande (return <> 0)
// - Création d'un Mutex pour déclarer un Serveur Unique (return <> 0 et GetLastError <> ERROR_ALREADY_EXISTS)
// .Traitement d'une Demande
// - Lire via CopyMemory sur le MapViewOfFile, on obtient un identifiant
// - Création du Signal de Réponse par Event (code NeoInterOp_Client_Event_xxxxxxxxxx)
// - CreateFileMapping Global et MapViewOfFile à chaque écriture du Canal de Réponse (code NeoInterOp_Client_ShareMem_xxxxxxxxxx)
// - Ecriture via CopyMemory sur le MapViewOfFile
// - PulseEvent Signal de Réponse
// Créer un channel par client (xxxxxxxxxx = ID du Thread)
// - CreateFileMapping Global et MapViewOfFile à chaque lecture du Canal de Demande
// - Création du Signal de Demande par Event
// - Création du Signal de Réponse par Event (code NeoInterOp_Client_Event_xxxxxxxxxx)
// - CreateFileMapping Global et MapViewOfFile à chaque écriture (code NeoInterOp_Server_ShareMem)
// - Section Critique par Mutex lors de l'Ecriture dans le Canal de Demande (code NeoInterOp_Server_ShareMutex)
// - PulseEvent Signal de Demande
PShaiTrollInterOpCommunicationInterCOMInstancePacketHeader = ^TShaiTrollInterOpCommunicationInterCOMInstancePacketHeader;
TShaiTrollInterOpCommunicationInterCOMInstancePacketHeader = packed record
SOM: Byte;
PacketSize: Word; // 64Ko Max !
SenderID: DWord; // 0 = Serveur sinon Client
ReceiverID: DWord; // 0 = Serveur sinon Client
MessageID: Cardinal;
SendTentative: Byte;
end;
TShaiTrollInterOpCommunicationInterCOMInstancePacketBodyType = (pbtCall, pbtReturn, pbtError);
TShaiTrollInterOpCommunicationInterCOMInstancePacketBody = packed record
case Operation: ShaiTrollInterOpCOM_TLB.ShaiTrollInterOpDispIDs of
Event_OnConnecting_DispID:
(
StartConnection: record
case BodyType: TShaiTrollInterOpCommunicationInterCOMInstancePacketBodyType of
pbtCall:
(
FuncParams: record
Connecting: Boolean; // True: Connect, False: Disconnect;
end;
);
pbtReturn:
(
FuncResult: record
Success: Boolean;
ClientIndex: Integer;
end;
);
pbtError:
(
FuncError: record
ErrorMessageLen: Word;
ErrorMessage: array[0..2000] of Char;
end;
);
end;
);
Event_OnSaisieEvent_DispID:
(
SaisieEvent: record
case BodyType: TShaiTrollInterOpCommunicationInterCOMInstancePacketBodyType of
pbtCall:
(
FuncParams: record
NumRef: string[10];
TypeK: ShaiTrollInterOpCOM_TLB.ShaiTrollInterOpTypeK;
TypeEvent: ShaiTrollInterOpCOM_TLB.ShaiTrollInterOpTypeEvent;
NumEvent_EV_K: string[2];
end;
);
pbtReturn:
(
FuncResult: record
EventIDListCount: Word;
EventIDList: array[0..1000] of Integer;
ActiveEventID: Integer;
WarningsLen: Word;
Warnings: array[0..1000] of Char;
end;
);
pbtError:
(
FuncError: record
ErrorMessageLen: Word;
ErrorMessage: array[0..2000] of Char;
end;
);
end;
);
Event_OnMajEvent_DispID:
(
MajEvent: record
case BodyType: TShaiTrollInterOpCommunicationInterCOMInstancePacketBodyType of
pbtCall:
(
FuncParams: record
NumRef: string[10];
TypeK: ShaiTrollInterOpCOM_TLB.ShaiTrollInterOpTypeK;
end;
);
pbtReturn:
(
FuncResult: record
end;
);
pbtError:
(
FuncError: record
ErrorMessageLen: Word;
ErrorMessage: array[0..1000] of Char;
end;
);
end;
);
end;
TShaiTrollInterOpCommunicationInterCOMInstancePacketFooter = packed record
EOM: Byte;
end;
PShaiTrollInterOpCommunicationInterCOMInstancePacket = ^TShaiTrollInterOpCommunicationInterCOMInstancePacket;
TShaiTrollInterOpCommunicationInterCOMInstancePacket = record
Header: TShaiTrollInterOpCommunicationInterCOMInstancePacketHeader;
Body: TShaiTrollInterOpCommunicationInterCOMInstancePacketBody;
Footer: TShaiTrollInterOpCommunicationInterCOMInstancePacketFooter;
end;
TShaiTrollInterOpCommunicationInterCOMInstanceCanal = class
private
FManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager;
FShareMemory: THandle; // FileMapping
FSectionCritiqueOnWrite: THandle; // Mutex
FSignalOnClientRead: THandle; // Event
FSignalOnServerRead: THandle; // Event
FSendingDelay: Cardinal;
FCurrentBuffer: PShaiTrollInterOpCommunicationInterCOMInstancePacketHeader; // Pointeur sur le Fichier Virtuel Partagé en Mémoire
protected
FCanalID: DWord;
protected
function BuildId(const NameID: string): string; virtual; abstract;
procedure RaiseLastOSError(const Context: string; const NameID: string; const ErrorCode: HRESULT);
function MakeError(const Context: string; const NameID: string; const ErrorCode: HRESULT): EShaiTrollInterOpCommunicationInterCOMInstanceError;
function WaitForReadEvent(dwMilliseconds: DWORD): DWORD; virtual; abstract;
function PulseReadEvent(): BOOL; virtual; abstract;
function WaitRead(SleepDelay: Cardinal): Boolean;
function BeginRead(): Boolean;
function Read(Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket): Boolean;
function EndRead(): Boolean;
function WaitSend(SleepDelay: Cardinal): Boolean;
function BeginSend(PacketSize: Word): Boolean;
function Send(Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket): Boolean;
function EndSend(): Boolean;
public
constructor Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager); virtual;
destructor Destroy(); override;
function ReadPacket(SleepDelay: Cardinal): Boolean;
function SendPacket(Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket): Boolean;
property Manager: TShaiTrollInterOpCommunicationInterCOMInstanceManager read FManager;
end;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer = class(TShaiTrollInterOpCommunicationInterCOMInstanceCanal)
private
FUniqueServer: THandle; // Mutex
protected
function BuildId(const NameID: string): string; override;
function WaitForReadEvent(dwMilliseconds: DWORD): DWORD; override;
function PulseReadEvent(): BOOL; override;
public
constructor Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager); override;
destructor Destroy(); override;
procedure Connect();
property ServerID: DWord read FCanalID;
end;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient = class(TShaiTrollInterOpCommunicationInterCOMInstanceCanal)
private
FConnectingFailed: Boolean; // Tentative de Connexion en Erreur (nécessite un nettoyage tout de même !)
FConnected: Boolean;
FClientIndex: Integer;
protected
function BuildId(const NameID: string): string; override;
function WaitForReadEvent(dwMilliseconds: DWORD): DWORD; override;
function PulseReadEvent(): BOOL; override;
public
constructor Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager; const AClientID: THandle = 0); reintroduce;
destructor Destroy(); override;
procedure Connect(DoConnecting: Boolean);
function SaisieEvent(const NumRef: WideString; TypeK: Integer; TypeEvent: Integer;
const NumEvent_EV_K: WideString): IShaiTrollInterOpEventIDList;
procedure MajEvent(const NumRef: WideString; TypeK: Integer);
property ClientID: DWord read FCanalID;
end;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener = class(TThread)
private
FCanalIn: TShaiTrollInterOpCommunicationInterCOMInstanceCanal;
protected
procedure Execute(); override;
procedure ProtectThreadErrors(const Context: string);
public
constructor Create(ACanalIn: TShaiTrollInterOpCommunicationInterCOMInstanceCanal);
destructor Destroy(); override;
end;
TShaiTrollInterOpCommunicationInterCOMInstancePacketList = class(TThreadList)
public
destructor Destroy(); override;
procedure Clear();
end;
TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher = class(TThread)
private
FManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager;
protected
procedure Execute(); override;
procedure ProtectThreadErrors(const Context: string);
public
constructor Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
property Manager: TShaiTrollInterOpCommunicationInterCOMInstanceManager read FManager;
end;
TShaiTrollInterOpCommunicationInterCOMInstanceSender = class(TThread)
private
FManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager;
protected
procedure Execute(); override;
procedure ProtectThreadErrors(const Context: string);
public
constructor Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
property Manager: TShaiTrollInterOpCommunicationInterCOMInstanceManager read FManager;
end;
implementation
uses uDelphiUtils;
const
START_OF_MESSAGE = $FD; // ý - SOM
END_OF_MESSAGE = $FE; // þ - EOM
SHARED_MEMORY_SIZE = SizeOf(TShaiTrollInterOpCommunicationInterCOMInstancePacket);
CANAL_ID_SERVER = 0;
{ TShaiTrollInterOpCommunicationInterCOMInstanceManager }
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.StartConnection(ModeServer: WordBool): WordBool;
begin
FModeServer := ModeServer;
FIniFile := TIniFile.Create(ChangeFileExt(GetCurrentModuleFileName(), '.ini'));
if not FModeServer and DebugDummyClient then
begin
Result := True;
Exit;
end;
FServer := TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.Create(Self);
FServer.Connect();
FPacketToDispatchList := TShaiTrollInterOpCommunicationInterCOMInstancePacketList.Create();
FPacketToSendList := TShaiTrollInterOpCommunicationInterCOMInstancePacketList.Create();
if FModeServer then
begin
FClientList := TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.Create(Self);
FListener := TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener.Create(FServer);
FDispatcher := TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher.Create(Self);
FSender := TShaiTrollInterOpCommunicationInterCOMInstanceSender.Create(Self);
end
else
begin
FClient := TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.Create(Self);
FClient.Connect(True);
end;
if Assigned(InterOpEvents) then
Result := InterOpEvents.OnConnecting()
else
if FModeServer then
raise MakeError('EventSink Missing', HResult(ERR_OLE_SERVER_EVENT_SINK_MISSING))
else
Result := True;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.SaisieEvent(
const NumRef: WideString; TypeK, TypeEvent: Integer;
const NumEvent_EV_K: WideString): IShaiTrollInterOpEventIDList;
begin
if FModeServer then
begin
if Assigned(InterOpEvents) then
begin
try
Result := InterOpEvents.OnSaisieEvent(NumRef, TypeK, TypeEvent, NumEvent_EV_K);
except
on E: Exception do
begin
raise MakeError('Exception InterOpEvents.OnSaisieEvent : ' + E.Message, HResult(ERR_OLE_CLIENT_INVALID_SAISIE_EVENT_RESPONSE_FROM_ON_SERVER));
end;
end;
end
else
raise MakeError('EventSink Missing', HResult(ERR_OLE_SERVER_EVENT_SINK_MISSING));
end
else
begin
if DebugDummyClient then
begin
Result := CoShaiTrollInterOpEventIDListImpl.Create();
Result.AddEventID(1000, False);
Result.AddEventID(1001, True);
Result.AddEventID(1002, False);
Result.Warnings := 'DummyClient';
end
else
begin
Result := FClient.SaisieEvent(NumRef, TypeK, TypeEvent, NumEvent_EV_K);
end;
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceManager.MajEvent(const NumRef: WideString; TypeK: Integer);
begin
if FModeServer then
begin
if Assigned(InterOpEvents) then
begin
try
InterOpEvents.OnMajEvent(NumRef, TypeK);
except
on E: Exception do
begin
raise MakeError('Exception InterOpEvents.MajEvent : ' + E.Message, HResult(ERR_OLE_CLIENT_INVALID_MAJ_EVENT_RESPONSE_FROM_ON_SERVER));
end;
end;
end
else
raise MakeError('EventSink Missing', HResult(ERR_OLE_SERVER_EVENT_SINK_MISSING));
end
else
begin
if not DebugDummyClient then
FClient.MajEvent(NumRef, TypeK);
end;
end;
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstanceManager.Destroy();
begin
FreeAndNil(FSender);
FreeAndNil(FDispatcher);
FreeAndNil(FListener);
FreeAndNil(FPacketToSendList);
FreeAndNil(FPacketToDispatchList);
FreeAndNil(FClientList);
FreeAndNil(FClient);
FreeAndNil(FServer);
FreeAndNil(FIniFile);
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.BuildMessageID(): Cardinal;
begin
Inc(FLastMessageID);
Result := FLastMessageID;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceManager.AddPacketToDispatch(Packet: Pointer);
begin
FPacketToDispatchList.Add(Packet);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.PickPacketToDispatch(out APacket: Pointer; out More: Boolean): Boolean;
begin
Result := PickPacket(FPacketToDispatchList, APacket, More);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.DispatchPacket(out Packet: Pointer; More: PBoolean = nil): Boolean;
const
ERROR_BODY_TYPE = 'Unknown BodyType';
procedure SwitchSenderReceiver(var Header: TShaiTrollInterOpCommunicationInterCOMInstancePacketHeader);
var
KeepID: THandle;
begin
KeepID := Header.SenderID;
Header.SenderID := Header.ReceiverID;
Header.ReceiverID := KeepID;
end;
procedure DispatchConnecting(var Packet: TShaiTrollInterOpCommunicationInterCOMInstancePacket);
begin
Result := False;
case Packet.Body.StartConnection.BodyType of
pbtCall:
begin
try
if Self.ModeServer then
begin
if Packet.Body.StartConnection.FuncParams.Connecting then
begin
Packet.Body.StartConnection.FuncResult.ClientIndex := NewClient(Packet.Header.SenderID);
Packet.Body.StartConnection.BodyType := pbtReturn;
Packet.Body.StartConnection.FuncResult.Success := True;
Result := True;
end
else
begin
DisposeClient(Packet.Header.SenderID);
end;
end
else
Abort;
except
on E: Exception do
WriteLog('ERROR_MANAGER_DISPATCH', ltError, 'Error NewClient', E.Message);
end;
end;
pbtReturn:
begin
if Self.ModeServer then
WriteLog('ERROR_MANAGER_DISPATCH', ltWarning, 'Unexpected Connecting Return', '');
end;
pbtError:
begin
if Self.ModeServer then
WriteLog('ERROR_MANAGER_DISPATCH', ltWarning, 'Unexpected Connecting Error', Copy(Packet.Body.StartConnection.FuncError.ErrorMessage, 1, Packet.Body.StartConnection.FuncError.ErrorMessageLen));
end;
else
WriteLog('ERROR_MANAGER_DISPATCH', ltError, ERROR_BODY_TYPE);
end;
end;
procedure DispatchSaisieEvent(var Packet: TShaiTrollInterOpCommunicationInterCOMInstancePacket);
var
AnsiTemp: string;
EventList: IShaiTrollInterOpEventIDList;
I: Word;
begin
Result := False;
case Packet.Body.SaisieEvent.BodyType of
pbtCall:
begin
try
if Self.ModeServer then
begin
Packet.Body.SaisieEvent.BodyType := pbtReturn;
EventList := FEvents.OnSaisieEvent(
Packet.Body.SaisieEvent.FuncParams.NumRef,
Packet.Body.SaisieEvent.FuncParams.TypeK,
Packet.Body.SaisieEvent.FuncParams.TypeEvent,
Packet.Body.SaisieEvent.FuncParams.NumRef
);
try
Packet.Body.SaisieEvent.FuncResult.EventIDListCount := Min(High(Packet.Body.SaisieEvent.FuncResult.EventIDList) + 1, EventList.Count);
for I := Low(Packet.Body.SaisieEvent.FuncResult.EventIDList) to Packet.Body.SaisieEvent.FuncResult.EventIDListCount - 1 do
Packet.Body.SaisieEvent.FuncResult.EventIDList[I] := EventList.Item[I];
Packet.Body.SaisieEvent.FuncResult.ActiveEventID := EventList.ActiveEventID;
AnsiTemp := EventList.Warnings;
Packet.Body.SaisieEvent.FuncResult.WarningsLen := Length(AnsiTemp);
CopyMemory(@Packet.Body.SaisieEvent.FuncResult.Warnings, PChar(AnsiTemp), Packet.Body.SaisieEvent.FuncResult.WarningsLen + 1); // le + 1 englobe le Zéro terminal fourni par le type string !
finally
EventList := nil;
end;
Result := True;
end
else
Abort;
except
on E: Exception do
begin
WriteLog('ERROR_MANAGER_DISPATCH', ltError, 'Error SaisieEvent', E.Message);
Packet.Body.SaisieEvent.BodyType := pbtError;
AnsiTemp := E.Message;
Packet.Body.SaisieEvent.FuncError.ErrorMessageLen := Length(AnsiTemp);
CopyMemory(@Packet.Body.SaisieEvent.FuncError.ErrorMessage, PChar(AnsiTemp), Packet.Body.SaisieEvent.FuncError.ErrorMessageLen + 1); // le + 1 englobe le Zéro terminal fourni par le type string !
Result := True;
end;
end;
end;
pbtReturn:
begin
if Self.ModeServer then
WriteLog('ERROR_MANAGER_DISPATCH', ltWarning, 'Unexpected SaisieEvent Return', '');
end;
pbtError:
begin
if Self.ModeServer then
WriteLog('ERROR_MANAGER_DISPATCH', ltWarning, 'Unexpected SaisieEvent Error ', Copy(Packet.Body.SaisieEvent.FuncError.ErrorMessage, 1, Packet.Body.SaisieEvent.FuncError.ErrorMessageLen));
end;
end;
end;
procedure DispatchMajEvent(var Packet: TShaiTrollInterOpCommunicationInterCOMInstancePacket);
var
AnsiTemp: string;
begin
Result := False;
case Packet.Body.MajEvent.BodyType of
pbtCall:
begin
try
if Self.ModeServer then
begin
Packet.Body.MajEvent.BodyType := pbtReturn;
FEvents.OnMajEvent(Packet.Body.MajEvent.FuncParams.NumRef, Packet.Body.MajEvent.FuncParams.TypeK);
Result := True;
end
else
Abort;
except
on E: Exception do
begin
WriteLog('ERROR_MANAGER_DISPATCH', ltError, 'Error MajEvent', E.Message);
Packet.Body.MajEvent.BodyType := pbtError;
AnsiTemp := E.Message;
Packet.Body.MajEvent.FuncError.ErrorMessageLen := Length(AnsiTemp);
CopyMemory(@Packet.Body.MajEvent.FuncError.ErrorMessage, PChar(AnsiTemp), Packet.Body.MajEvent.FuncError.ErrorMessageLen + 1); // le + 1 englobe le Zéro terminal fourni par le type string !
Result := True;
end;
end;
end;
pbtReturn:
begin
if Self.ModeServer then
WriteLog('ERROR_MANAGER_DISPATCH', ltWarning, 'Unexpected MajEvent Return', '');
end;
pbtError:
begin
if Self.ModeServer then
WriteLog('ERROR_MANAGER_DISPATCH', ltWarning, 'Unexpected MajEvent Error ', Copy(Packet.Body.MajEvent.FuncError.ErrorMessage, 1, Packet.Body.MajEvent.FuncError.ErrorMessageLen));
end;
end;
end;
var
PacketToDispatch: PShaiTrollInterOpCommunicationInterCOMInstancePacket absolute Packet;
DummyMore: Boolean;
begin
Result := False;
if not Assigned(More) then
More := @DummyMore;
if PickPacketToDispatch(Packet, More^) then
begin
case PacketToDispatch.Body.Operation of
Event_OnConnecting_DispID: DispatchConnecting(PacketToDispatch^);
Event_OnSaisieEvent_DispID: DispatchSaisieEvent(PacketToDispatch^);
Event_OnMajEvent_DispID: DispatchMajEvent(PacketToDispatch^);
end;
if Result then // un Message Dispatché et en Attente d'Envoi !
begin
SwitchSenderReceiver(PacketToDispatch^.Header);
AddPacketToSend(PacketToDispatch);
end;
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceManager.AddPacketToSend(Packet: Pointer);
begin
FPacketToSendList.Add(Packet);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.PickPacketToSend(out APacket: Pointer; out More: Boolean): Boolean;
begin
Result := PickPacket(FPacketToSendList, APacket, More);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.PickPacket(AList: TShaiTrollInterOpCommunicationInterCOMInstancePacketList; out APacket: Pointer; out More: Boolean): Boolean;
var
List: TList;
begin
Result := False;
APacket := nil;
More := False;
List := AList.LockList();
try
if List.Count > 0 then
begin
APacket := List.First();
Result := Assigned(APacket);
List.Delete(0);
More := List.Count > 0;
end;
finally
AList.UnlockList();
end;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.NewClient(ClientID: THandle): Integer;
begin
Result := FClientList.NewClient(ClientID);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.FindClient(ClientID: THandle): TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
begin
Result := FClientList.FindClient(ClientID);
end;
{* --------------------------------------------------------------------------- }
procedure TShaiTrollInterOpCommunicationInterCOMInstanceManager.DisposeClient(ClientID: THandle);
begin
FClientList.DisposeClient(ClientID);
end;
{* --------------------------------------------------------------------------- }
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.GetCurrentModuleFileName(): string;
begin
SetLength(Result, MAX_PATH);
ZeroMemory(@Result[1], MAX_PATH);
GetModuleFileName(HInstance, @Result[1], MAX_PATH);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.MakeError(const Context: string; const ErrorCode: HRESULT): EShaiTrollInterOpCommunicationInterCOMInstanceError;
begin
Result := EShaiTrollInterOpCommunicationInterCOMInstanceError.Create(Context, ErrorCode);
WriteLog('ERROR_MANAGER', ltError, IntToHex(ErrorCode, 8), Context);
end;
const
LOG_TYPES: array[TShaiTrollInterOpCommunicationInterCOMInstanceEventLogType] of string = ('', '[EXCEPTION]', '[ERROR]', '[WARNING]', '');
{* --------------------------------------------------------------------------- }
procedure TShaiTrollInterOpCommunicationInterCOMInstanceManager.WriteLog(const LogName: string; LogType: TShaiTrollInterOpCommunicationInterCOMInstanceEventLogType; const LogTitle: string; LogMessage: string = ''; AddDate: Boolean = True);
var
LogFile: file;
DirLog, NameFile, TimeLog: string;
Buf: string;
const
LogPrefixe = 'LOG_';
LogExt = '.txt';
begin
try
if AddDate then
TimeLog := FormatDateTime('dd/mm/yyyy hh:nn:ss:zzz', Now());
DirLog := GetLocalLogPath();
if not DirectoryExists(DirLog) then
ForceDirectories(DirLog);
NameFile := DirLog + LogPrefixe + IfThen(ModeServer, 'SERVER_', 'CLIENT_') + LogName + FormatDateTime('_yyyyddmm', Now()) + LogExt;
try
AssignFile(LogFile, NameFile);
try
if FileExists(NameFile) then
begin
Reset(LogFile, 1);
Seek(LogFile, FileSize(LogFile));
end
else
ReWrite(LogFile, 1);
try
if LogMessage > '' then
Buf := LOG_TYPES[LogType] + #9 + LogTitle + ' :'#9 + LogMessage + #13#10
else
Buf := LOG_TYPES[LogType] + #9 + LogTitle + #13#10;
if AddDate then
Buf := TimeLog + #9', ' + Buf;
// Buf[1] car BlockWrite écrit n octets à partir de la position Buf[1] !
BlockWrite(LogFile, Buf[1], Length(Buf));
except
Exit;
end;
finally
CloseFile(LogFile);
end;
except
Exit;
end;
except
Exit;
end;
end;
{* --------------------------------------------------------------------------- }
procedure TShaiTrollInterOpCommunicationInterCOMInstanceManager.WriteDebug(const LogName: string; const LogTitle: string; LogMessage: string = ''; AddDate: Boolean = True);
begin
if DebugTraceAllow then
begin
if LogName = 'MISC' then
if not DebugTraceMisc() then
Exit;
if LogName = 'CANAL' then
if not DebugTraceCanal() then
Exit;
WriteLog('DEBUG_' + LogName, ltInfo, LogTitle, LogMessage);
end;
end;
{* --------------------------------------------------------------------------- }
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.GetLocalLogPath(): string;
var
YearMonthDay: string;
DirLog: string;
begin
// Un Fichier Log par Jour
if FLocalLogPathDate <= Date() - 1 then
begin
// Un Dossier Log par Mois
FLocalLogPathDate := Date();
YearMonthDay := FormatDateTime('YYYYMM\YYYYMMDD', Now());
DirLog := ExtractFilePath(GetCurrentModuleFileName()) + 'LOG\' + YearMonthDay;
if not DirectoryExists(DirLog) then
ForceDirectories(DirLog);
FLocalLogPath := IncludeTrailingPathDelimiter(DirLog);
end;
Result := FLocalLogPath;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.DebugDummyClient: Boolean;
begin
Result := StrToBoolDef(FIniFile.ReadString('Debug', 'DummyClient', ''), False);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.DebugTraceAllow: Boolean;
begin
Result := StrToBoolDef(FIniFile.ReadString('Debug', 'TraceAllow', ''), False);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.DebugTraceCanal: Boolean;
begin
Result := StrToBoolDef(FIniFile.ReadString('Debug', 'TraceCanal', ''), False);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceManager.DebugTraceMisc: Boolean;
begin
Result := StrToBoolDef(FIniFile.ReadString('Debug', 'TraceMisc', ''), False);
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList }
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
begin
inherited Create();
FManager := AManager;
end;
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.Destroy();
begin
Clear();
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
type
PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem = ^TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem;
TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem = record
ClientID: DWord;
Client: TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
ClientListener: TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.Clear();
var
List: TList;
I: Integer;
begin
List := LockList();
try
for I := 0 to List.Count - 1 do
Dispose(PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem(List.Items[I]));
List.Clear();
finally
UnlockList();
end;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.NewClient(ClientID: THandle): Integer;
var
List: TList;
TmpClient: TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
TmpClientListener: TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener;
ItemList: PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem;
begin
List := LockList();
try
for Result := 0 to List.Count - 1 do
if ClientID = PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem(List.Items[Result])^.ClientID then
Exit;
Result := -1;
FManager.WriteDebug('MISC', 'NewClient', IntToStr(ClientID));
TmpClient := TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.Create(FManager, ClientID);
try
TmpClientListener := TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener.Create(TmpClient);
try
New(ItemList);
try
ItemList.ClientID := ClientID;
ItemList.Client := TmpClient;
ItemList.ClientListener := TmpClientListener;
Result := List.Add(ItemList);
FManager.WriteDebug('MISC', 'NewClient Added', IntToStr(ClientID));
except
Dispose(ItemList);
end;
except
TmpClientListener.Free();
end;
except
TmpClient.Free();
end;
finally
UnlockList();
end;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.FindClient(ClientID: THandle): TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient;
var
List: TList;
I: Integer;
begin
List := LockList();
try
for I := 0 to List.Count - 1 do
begin
if ClientID = PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem(List.Items[I])^.ClientID then
begin
Result := PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem(List.Items[I])^.Client;
Exit;
end;
end;
Result := nil;
finally
UnlockList();
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalClientList.DisposeClient(ClientID: THandle);
var
List: TList;
I: Integer;
ItemList: PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem;
begin
FManager.WriteDebug('MISC', 'DisposeClient', IntToStr(ClientID));
List := LockList();
try
for I := 0 to List.Count - 1 do
begin
ItemList := PShaiTrollInterOpCommunicationInterCOMInstanceCanalClientListItem(List.Items[I]);
if ClientID = ItemList^.ClientID then
begin
List.Delete(I);
FreeAndNil(ItemList^.Client);
FreeAndNil(ItemList^.ClientListener);
Dispose(ItemList);
FManager.WriteDebug('MISC', 'DisposeClient Deleted', IntToStr(ClientID));
Exit;
end;
end;
finally
UnlockList();
end;
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceCanal }
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceCanal.Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
begin
inherited Create();
FManager := AManager;
if Manager.ModeServer then
FSendingDelay := 200
else
FSendingDelay := INFINITE;
// On Crée un Fichier Virtuel en Mémoire
// Si Fichier Virtuel en Mémoire porte le même nom, il sera partagé !
FShareMemory := CreateFileMapping(INVALID_HANDLE_VALUE, nil, PAGE_READWRITE, 0, SHARED_MEMORY_SIZE, PChar(BuildId('ShareMem')));
if FShareMemory = 0 then
RaiseLastOSError('CreateFileMapping', 'ShareMem', HResult(ERR_OLE_CREATE_SHARE_MEM));
// On sécurise l'Ecriture dans le Fichier Virtuel en Mémoire
FSectionCritiqueOnWrite := CreateMutex(nil, False, PChar(BuildId('ShareMutex')));
if FSectionCritiqueOnWrite = 0 then
RaiseLastOSError('CreateMutex', 'ShareMutex', HResult(ERR_OLE_CREATE_SHARE_MUTEX));
// On se branche sur l'Event indiquant que le Client doit lire ShareMem
FSignalOnClientRead := CreateEvent(nil, True, False, PChar(BuildId('EventClientRead')));
if FSignalOnClientRead = 0 then
RaiseLastOSError('CreateEvent', 'EventClientRead', HResult(ERR_OLE_CREATE_EVENT_CLIENT_READ));
// On se branche sur l'Event indiquant que le Server doit lire ShareMem
FSignalOnServerRead := CreateEvent(nil, True, False, PChar(BuildId('EventServerRead')));
if FSignalOnServerRead = 0 then
RaiseLastOSError('CreateEvent', 'EventServerRead', HResult(ERR_OLE_CREATE_EVENT_SERVER_READ));
end;
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstanceCanal.Destroy;
begin
if FSignalOnServerRead > 0 then
CloseHandle(FSignalOnServerRead);
if FSignalOnClientRead > 0 then
CloseHandle(FSignalOnClientRead);
if FSectionCritiqueOnWrite > 0 then
CloseHandle(FSectionCritiqueOnWrite);
if FShareMemory > 0 then
CloseHandle(FShareMemory);
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.ReadPacket(SleepDelay: Cardinal): Boolean;
var
Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket;
begin
// Attente d'un Message,
// True, un Message est là !
// False, pas de Message mais on réagit pour qu'un WaitFor n'attende pas une réponse qui n'arrivera jamais !
if WaitRead(SleepDelay) then
begin
Result := True; // On signale jusqu'un Message a été Dispatché !
// On récupère un pointeur pour pouvoir lire la mémoire.
if BeginRead() then
begin
try
New(Packet); // Ne pas oublier le Dispose plus tard dans le code !
try
ZeroMemory(Packet, SizeOf(Packet^));
if Read(Packet) then
Manager.AddPacketToDispatch(Packet)
else
raise MakeError('Error on Canal.Dispatch.Read', 'Error', HResult(ERR_OLE_CANAL_DISPATCH_READ));
except
on E: Exception do
begin
Dispose(Packet);
raise;
end;
end;
finally
if not EndRead() then
raise MakeError('Error on Canal.Dispatch.EndRead', 'Error', HResult(ERR_OLE_CANAL_DISPATCH_ENDREAD));
end;
end
else
raise MakeError('Error on Canal.Dispatch.BeginRead', 'Error', HResult(ERR_OLE_CANAL_DISPATCH_BEGINREAD));
end
else
Result := False; // Pas de Message
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.SendPacket(Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket): Boolean;
begin
if WaitSend(FSendingDelay) then
begin
if BeginSend(Packet.Header.PacketSize) then
begin
try
Result := Send(Packet); // Message Envoyé !
finally
if not EndSend() then
raise MakeError('Error on Canal.SendPacket.EndSend', 'Error', HResult(ERR_OLE_CANAL_ENDSEND));
end;
end
else
raise MakeError('Error on Canal.SendPacket.BeginSend', 'Error', HResult(ERR_OLE_CANAL_BEGINSEND));
end
else
Result := False; // Le Canal n'est pas disponible dans le Délai imparti
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanal.RaiseLastOSError(const Context: string; const NameID: string; const ErrorCode: HRESULT);
var
S: string;
begin
try
SysUtils.RaiseLastOSError();
except
on E: Exception do
begin
S := Format('Exception %s : "%s" during "%s" [ID: %s]', [E.ClassName, E.Message, Context, BuildId(NameID)]);
Manager.WriteLog('ERROR_OS', ltException, IntToHex(ErrorCode, 8), S);
raise EShaiTrollInterOpCommunicationInterCOMInstanceError.Create(S, ErrorCode);
end;
end;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.MakeError(const Context: string; const NameID: string; const ErrorCode: HRESULT): EShaiTrollInterOpCommunicationInterCOMInstanceError;
var
S: string;
begin
S := Format('%s [ID: %s]', [Context, BuildId(NameID)]);
Result := EShaiTrollInterOpCommunicationInterCOMInstanceError.Create(S, ErrorCode);
Manager.WriteLog('ERROR_CANAL', ltError, IntToHex(ErrorCode, 8), S);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.WaitRead(SleepDelay: Cardinal): Boolean;
begin
Manager.WriteDebug('CANAL', Format('WaitRead [ID: %s]', [BuildId('')]), IntToStr(SleepDelay));
Result := WaitForReadEvent(SleepDelay) = WAIT_OBJECT_0;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.BeginRead(): Boolean;
begin
Manager.WriteDebug('CANAL', Format('BeginRead [ID: %s]', [BuildId('')]), '');
FCurrentBuffer := MapViewOfFile(FShareMemory, FILE_MAP_READ, 0, 0, SHARED_MEMORY_SIZE);
Result := Assigned(FCurrentBuffer);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.Read(Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket): Boolean;
var
lpData: PByte;
BodySize: Integer;
begin
Manager.WriteDebug('CANAL', Format('Read [ID: %s]', [BuildId('')]), '');
lpData := PByte(FCurrentBuffer);
BodySize := FCurrentBuffer^.PacketSize - SizeOf(Packet^.Header) - SizeOf(Packet^.Footer);
if (Low(Word) < BodySize) and (BodySize <= High(Word)) then
begin
CopyMemory(@Packet^.Header, lpData, SizeOf(Packet.Header));
Inc(lpData, SizeOf(Packet.Header));
CopyMemory(@Packet^.Body, lpData, BodySize);
Inc(lpData, BodySize);
CopyMemory(@Packet^.Footer, lpData, SizeOf(Packet.Footer));
Result := (Packet^.Header.SOM = START_OF_MESSAGE) and (Packet^.Footer.EOM = END_OF_MESSAGE);
if Result then
Manager.WriteDebug('CANAL', Format('Read OK [ID: %s - Message ID: %d]', [BuildId(''), Packet.Header.MessageID]), '');
end
else
Result := False;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.EndRead: Boolean;
begin
Manager.WriteDebug('CANAL', Format('EndRead [ID: %s]', [BuildId('')]), '');
Result := UnmapViewOfFile(FCurrentBuffer);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.WaitSend(SleepDelay: Cardinal): Boolean;
begin
Manager.WriteDebug('CANAL', Format('WaitSend [ID: %s]', [BuildId('')]), IntToStr(SleepDelay));
Result := WaitForSingleObject(FSectionCritiqueOnWrite, SleepDelay) = WAIT_OBJECT_0;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.BeginSend(PacketSize: Word): Boolean;
begin
Manager.WriteDebug('CANAL', Format('BeginSend [ID: %s]', [BuildId('')]), IntToStr(PacketSize));
FCurrentBuffer := MapViewOfFile(FShareMemory, FILE_MAP_WRITE, 0, 0, PacketSize);
Result := Assigned(FCurrentBuffer);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.Send(Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket): Boolean;
var
lpData: PByte;
BodySize: Integer;
begin
Manager.WriteDebug('CANAL', Format('Send [ID: %s - Message ID: %d]', [BuildId(''), Packet.Header.MessageID]));
lpData := PByte(FCurrentBuffer);
BodySize := Packet^.Header.PacketSize - SizeOf(Packet^.Header) - SizeOf(Packet^.Footer);
if (Low(Word) < BodySize) and (BodySize <= High(Word)) then
begin
CopyMemory(lpData, @Packet.Header, SizeOf(Packet.Header));
Inc(lpData, SizeOf(Packet.Header));
CopyMemory(lpData, @Packet.Body, BodySize);
Inc(lpData, BodySize);
CopyMemory(lpData, @Packet.Footer, SizeOf(Packet.Footer));
Result := (Packet.Header.SOM = START_OF_MESSAGE) and (Packet.Footer.EOM = END_OF_MESSAGE);
end
else
Result := False;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanal.EndSend: Boolean;
begin
Manager.WriteDebug('CANAL', Format('EndSend [ID: %s]', [BuildId('')]));
UnmapViewOfFile(FCurrentBuffer);
PulseReadEvent();
Result := ReleaseMutex(FSectionCritiqueOnWrite);
if not Result then
Result := GetLastError() = ERROR_ALREADY_EXISTS;
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer }
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.Connect();
begin
// On vérifie qu'un Serveur n'est pas déjà lancé
FUniqueServer := CreateMutex(nil, False, PChar(BuildId('Unique')));
if FUniqueServer > 0 then
begin
if Manager.ModeServer then
begin
if GetLastError() = ERROR_ALREADY_EXISTS then
RaiseLastOSError('CreateMutex', 'Not_Unique', HResult(ERR_OLE_SERVER_NOT_UNIQUE_MUTEX));
end
else
begin
try
if GetLastError() <> ERROR_ALREADY_EXISTS then
RaiseLastOSError('CreateMutex', 'Not_Exists_Unique', HResult(ERR_OLE_CLIENT_NOT_ALREADY_EXISTS_SERVER_UNIQUE_MUTEX));
finally
CloseHandle(FUniqueServer);
FUniqueServer := 0;
end;
end;
end
else
begin
if Manager.ModeServer then
RaiseLastOSError('CreateMutex', 'Unique', HResult(ERR_OLE_SERVER_CREATE_MUTEX))
else
RaiseLastOSError('CreateMutex', 'Unique', HResult(ERR_OLE_CLIENT_NOT_CREATE_SERVER_UNIQUE_MUTEX));
end;
end;
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
begin
FCanalID := CANAL_ID_SERVER;
inherited Create(AManager);
end;
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.Destroy;
begin
if FUniqueServer > 0 then
CloseHandle(FUniqueServer);
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.BuildId(const NameID: string): string;
begin
if NameID <> '' then
Result := Format('NeoInterOp_Server_%s', [NameID])
else
Result := 'Server';
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.WaitForReadEvent(dwMilliseconds: DWORD): DWORD;
begin
Result := WaitForSingleObject(FSignalOnServerRead, dwMilliseconds);
if Result = WAIT_OBJECT_0 then
ResetEvent(FSignalOnServerRead);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalServer.PulseReadEvent: BOOL;
begin
Result := PulseEvent(FSignalOnServerRead);
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient }
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager; const AClientID: THandle = 0);
begin
if AClientID = 0 then
FCanalID := GetCurrentThreadId()
else
FCanalID := AClientID;
FClientIndex := -1;
inherited Create(AManager);
end;
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.Destroy;
begin
try
if FConnectingFailed or FConnected then
Connect(False);
except
on E: Exception do
Manager.WriteLog('ERROR_CANAL', ltException, 'CanalClient.Destroy', E.Message);
end;
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.Connect(DoConnecting: Boolean);
var
Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket;
P: Pointer;
ReceivedPacket: PShaiTrollInterOpCommunicationInterCOMInstancePacket absolute P;
begin
FClientIndex := -1;
if FConnected then
Exit;
try
New(Packet);
try
ZeroMemory(Packet, SizeOf(Packet^));
Packet.Header.SOM := START_OF_MESSAGE;
Packet.Header.PacketSize := SizeOf(Packet.Header) + SizeOf(Packet.Body.Operation) + SizeOf(Packet.Body.StartConnection) + SizeOf(Packet.Footer);
Packet.Header.SenderID := ClientID;
Packet.Header.ReceiverID := CANAL_ID_SERVER;
Packet.Header.MessageID := Manager.BuildMessageID();
Packet.Body.Operation := Event_OnConnecting_DispID;
Packet.Body.StartConnection.BodyType := pbtCall;
Packet.Body.StartConnection.FuncParams.Connecting := DoConnecting;
Packet.Footer.EOM := END_OF_MESSAGE;
if Manager.Server.SendPacket(Packet) then
begin
if not DoConnecting then
begin
FConnectingFailed := False;
FConnected := False;
Manager.WriteLog('MISC', ltInfo, 'Connection Stopped Notified', IntToStr(ClientID));
Exit;
end;
try
if ReadPacket(10000) then // Attente du Packet, pas plus de 10 secondes, c'est déjà bien trop long !
begin
ReceivedPacket := nil;
try
Manager.DispatchPacket(P); // Récupération du Nouveau Packet P => ReceivedPacket
if Assigned(ReceivedPacket) and
(ReceivedPacket.Header.SenderID = CANAL_ID_SERVER) and
(ReceivedPacket.Header.ReceiverID = ClientID) and
(ReceivedPacket.Body.Operation = Event_OnConnecting_DispID) and
(ReceivedPacket.Body.StartConnection.BodyType = pbtReturn) and
(ReceivedPacket.Body.StartConnection.FuncResult.Success)
then
begin
FClientIndex := ReceivedPacket.Body.StartConnection.FuncResult.ClientIndex;
FConnectingFailed := False;
FConnected := True;
Manager.WriteLog('MISC', ltInfo, 'Connection Success', IntToStr(ClientID));
end
else
raise MakeError('Client not Connect on Server', 'Connect', HResult(ERR_OLE_CLIENT_INVALID_CONNECT_ON_SERVER));
finally
if Assigned(ReceivedPacket) then
Dispose(ReceivedPacket);
end;
end
else
raise MakeError('Client not Receive "Connecting Response" From Server', 'Connect', HResult(ERR_OLE_CLIENT_NOT_RECEIVE_CONNECTING_RESPONSE_FROM_SERVER));
except
on E: Exception do
begin
Manager.WriteLog('MISC', ltInfo, 'Connection Cancel', IntToStr(ClientID));
FConnectingFailed := True;
raise;
end;
end;
end
else
begin
if DoConnecting then
begin
raise MakeError('Client not Send "Connecting Message" to Server', 'Connect', HResult(ERR_OLE_CLIENT_NOT_SEND_CONNECTING_MESSAGE_FROM_SERVER))
end
else
begin
Manager.WriteLog('MISC', ltWarning, 'Connection Stopped Not Advertise', IntToStr(ClientID));
FConnectingFailed := False;
FConnected := False;
end;
end;
finally
if Assigned(Packet) then
Dispose(Packet);
end;
except
on EIE: EShaiTrollInterOpCommunicationInterCOMInstanceError do
raise;
on E: Exception do
raise MakeError('Unexpected Error on Connect : ' + E.Message, 'Connect', HResult(ERR_OLE_CLIENT_NOT_CONNECT));
end;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.SaisieEvent(
const NumRef: WideString; TypeK, TypeEvent: Integer;
const NumEvent_EV_K: WideString): IShaiTrollInterOpEventIDList;
procedure ConvertArrayToIntf(const ArrayList: array of Integer; ArrayListCount: Word; ActiveID: Integer);
var
I: Word;
begin
Result := CoShaiTrollInterOpEventIDListImpl.Create();
for I := Low(ArrayList) to ArrayListCount - 1 do
Result.AddEventID(ArrayList[I], ArrayList[I] = ActiveID);
end;
var
Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket;
P: Pointer;
ReceivedPacket: PShaiTrollInterOpCommunicationInterCOMInstancePacket absolute P;
begin
Result := nil;
try
New(Packet);
try
ZeroMemory(Packet, SizeOf(Packet^));
Packet.Header.SOM := START_OF_MESSAGE;
Packet.Header.PacketSize := SizeOf(Packet.Header) + SizeOf(Packet.Body.Operation) + SizeOf(Packet.Body.SaisieEvent) + SizeOf(Packet.Footer);
Packet.Header.SenderID := ClientID;
Packet.Header.ReceiverID := CANAL_ID_SERVER;
Packet.Header.MessageID := Manager.BuildMessageID();
Packet.Body.Operation := Event_OnSaisieEvent_DispID;
Packet.Body.SaisieEvent.BodyType := pbtCall;
Packet.Body.SaisieEvent.FuncParams.NumRef := NumRef;
Packet.Body.SaisieEvent.FuncParams.TypeK := TypeK;
Packet.Body.SaisieEvent.FuncParams.TypeEvent := TypeEvent;
Packet.Body.SaisieEvent.FuncParams.NumEvent_EV_K := NumEvent_EV_K;
Packet.Footer.EOM := END_OF_MESSAGE;
if SendPacket(Packet) then // Envoi sur le Channel Client réservé et attente de la réponse sur le même Canal !
begin
// Plus le nombre d'Event est important plus cela rame !
if ReadPacket(10000 + FClientIndex * 500) then // Attente du Packet, au moins 10 secondes et plus si bcp de client, c'est déjà bien trop long !
begin
ReceivedPacket := nil;
try
Manager.DispatchPacket(P); // Récupération du Nouveau Packet P => ReceivedPacket
if Assigned(ReceivedPacket) and
(ReceivedPacket.Header.SenderID = CANAL_ID_SERVER) and
(ReceivedPacket.Header.ReceiverID = ClientID) and
(ReceivedPacket.Body.Operation = Event_OnSaisieEvent_DispID) then
begin
case ReceivedPacket.Body.SaisieEvent.BodyType of
pbtCall: raise MakeError('Client Receive an "Unexpected Call SaisieEvent Response" From Server', 'SaisieEvent', HResult(ERR_OLE_CLIENT_INVALID_SAISIE_EVENT_RESPONSE_FROM_ON_SERVER));
pbtReturn :
begin
try
ConvertArrayToIntf(ReceivedPacket.Body.SaisieEvent.FuncResult.EventIDList, ReceivedPacket.Body.SaisieEvent.FuncResult.EventIDListCount, ReceivedPacket.Body.SaisieEvent.FuncResult.ActiveEventID);
Result.Warnings := Copy(ReceivedPacket.Body.SaisieEvent.FuncResult.Warnings, 1, ReceivedPacket.Body.SaisieEvent.FuncResult.WarningsLen);
except
on E: Exception do
begin
Result := nil;
raise;
end;
end;
end;
pbtError: raise MakeError('Client Receive an "SaisieEvent Error Response" From Server : ' + Copy(ReceivedPacket.Body.SaisieEvent.FuncError.ErrorMessage, 1, ReceivedPacket.Body.SaisieEvent.FuncError.ErrorMessageLen), 'SaisieEvent', HResult(ERR_OLE_CLIENT_INVALID_SAISIE_EVENT_RESPONSE_FROM_ON_SERVER));
end;
end
else
raise MakeError('Client Receive an "Invalid SaisieEvent Response" From Server', 'SaisieEvent', HResult(ERR_OLE_CLIENT_INVALID_SAISIE_EVENT_RESPONSE_FROM_ON_SERVER));
finally
if Assigned(ReceivedPacket) then
Dispose(ReceivedPacket);
end;
end
else
raise MakeError('Client not Receive "SaisieEvent Response" From Server', 'SaisieEvent', HResult(ERR_OLE_CLIENT_NOT_RECEIVE_SAISIE_EVENT_RESPONSE_FROM_SERVER));
end
else
raise MakeError('Client not Send "SaisieEvent Message" to Server', 'Connect', HResult(ERR_OLE_CLIENT_NOT_SEND_SAISIE_EVENT_MESSAGE_FROM_SERVER));
finally
if Assigned(Packet) then
Dispose(Packet);
end;
except
on EIE: EShaiTrollInterOpCommunicationInterCOMInstanceError do
raise;
on E: Exception do
raise MakeError('Unexpected Error on SaisieEvent : ' + E.Message, 'SaisieEvent', HResult(ERR_OLE_CLIENT_UNEXPECTED_ERROR_SAISIE_EVENT));
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.MajEvent(const NumRef: WideString; TypeK: Integer);
var
Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket;
P: Pointer;
ReceivedPacket: PShaiTrollInterOpCommunicationInterCOMInstancePacket absolute P;
begin
try
New(Packet);
try
ZeroMemory(Packet, SizeOf(Packet^));
Packet.Header.SOM := START_OF_MESSAGE;
Packet.Header.PacketSize := SizeOf(Packet.Header) + SizeOf(Packet.Body.Operation) + SizeOf(Packet.Body.MajEvent) + SizeOf(Packet.Footer);
Packet.Header.SenderID := ClientID;
Packet.Header.ReceiverID := CANAL_ID_SERVER;
Packet.Header.MessageID := Manager.BuildMessageID();
Packet.Body.Operation := Event_OnMajEvent_DispID;
Packet.Body.MajEvent.BodyType := pbtCall;
Packet.Body.MajEvent.FuncParams.NumRef := NumRef;
Packet.Body.MajEvent.FuncParams.TypeK := TypeK;
Packet.Footer.EOM := END_OF_MESSAGE;
if SendPacket(Packet) then // Envoi sur le Channel Client réservé et attente de la réponse sur le même Canal !
begin
// Plus le nombre d'Event est important plus MajEvent rame ! mois d'une seconde pour un dossier "normal", disons une demi-secondes par tranche de 50 Event
if ReadPacket(15000 + FClientIndex * 750) then // Attente du Packet, au moins 15 secondes et plus si bcp de client, c'est déjà bien trop long !
begin
Manager.DispatchPacket(P); // Récupération du Nouveau Packet P => ReceivedPacket
try
if Assigned(ReceivedPacket) and
(ReceivedPacket.Header.SenderID = CANAL_ID_SERVER) and
(ReceivedPacket.Header.ReceiverID = ClientID) and
(ReceivedPacket.Body.Operation = Event_OnMajEvent_DispID) then
begin
case ReceivedPacket.Body.SaisieEvent.BodyType of
pbtCall: raise MakeError('Client Receive an "Unexpected Call MajEvent Response" From Server', 'MajEvent', HResult(ERR_OLE_CLIENT_INVALID_MAJ_EVENT_RESPONSE_FROM_ON_SERVER));
pbtReturn: Exit;
pbtError: raise MakeError('Client Receive an "MajEvent Error Response" From Server : ' + Copy(ReceivedPacket.Body.SaisieEvent.FuncError.ErrorMessage, 1, ReceivedPacket.Body.SaisieEvent.FuncError.ErrorMessageLen), 'SaisieEvent', HResult(ERR_OLE_CLIENT_INVALID_SAISIE_EVENT_RESPONSE_FROM_ON_SERVER));
end;
end
else
raise MakeError('Client Receive an "Invalid MajEvent Response" From Server', 'MajEvent', HResult(ERR_OLE_CLIENT_INVALID_MAJ_EVENT_RESPONSE_FROM_ON_SERVER));
finally
if Assigned(ReceivedPacket) then
Dispose(ReceivedPacket);
end;
end
else
raise MakeError('Client not Receive "MajEvent Response" From Server', 'MajEvent', HResult(ERR_OLE_CLIENT_NOT_RECEIVE_MAJ_EVENT_RESPONSE_FROM_SERVER));
end
else
raise MakeError('Client not Send "MajEvent Message" to Server', 'Connect', HResult(ERR_OLE_CLIENT_NOT_SEND_MAJ_EVENT_MESSAGE_FROM_SERVER));
finally
if Assigned(Packet) then
Dispose(Packet);
end;
except
on EIE: EShaiTrollInterOpCommunicationInterCOMInstanceError do
raise;
on E: Exception do
raise MakeError('Unexpected Error on MajEvent : ' + E.Message, 'MajEvent', HResult(ERR_OLE_CLIENT_UNEXPECTED_ERROR_MAJ_EVENT));
end;
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.BuildId(const NameID: string): string;
begin
if NameID <> '' then
Result := Format('NeoInterOp_Client_%s_%d', [NameID, ClientID])
else
Result := Format('Client_%d', [ClientID]);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.WaitForReadEvent(dwMilliseconds: DWORD): DWORD;
var
Signal: THandle;
begin
if Manager.ModeServer then
Signal := FSignalOnServerRead
else
Signal := FSignalOnClientRead;
Result := WaitForSingleObject(Signal, dwMilliseconds);
if Result = WAIT_OBJECT_0 then
ResetEvent(Signal);
end;
{* ----------------------------------------------------------------------------}
function TShaiTrollInterOpCommunicationInterCOMInstanceCanalClient.PulseReadEvent: BOOL;
begin
if Manager.ModeServer then
Result := PulseEvent(FSignalOnClientRead)
else
Result := PulseEvent(FSignalOnServerRead);
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener }
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener.Create(ACanalIn: TShaiTrollInterOpCommunicationInterCOMInstanceCanal);
begin
inherited Create(True);
FCanalIn := ACanalIn;
Resume();
end;
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener.Destroy;
begin
TerminateThread(Self.Handle, 0);
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener.Execute();
begin
while not Terminated do
begin
try
FCanalIn.ReadPacket(INFINITE);
except
on E: Exception do
ProtectThreadErrors(Format('Exception %s : "%s" during "Listener"', [E.ClassName, E.Message]));
end;
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceCanalListener.ProtectThreadErrors(const Context: string);
begin
FCanalIn.Manager.WriteLog('ERROR_THREAD_LISTENER', ltException, 'Thread Error', Context);
end;
{ TShaiTrollInterOpCommunicationInterCOMInstancePacketList }
{* ----------------------------------------------------------------------------}
destructor TShaiTrollInterOpCommunicationInterCOMInstancePacketList.Destroy();
begin
Clear();
inherited Destroy();
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstancePacketList.Clear();
var
List: TList;
I: Integer;
begin
List := LockList();
try
for I := 0 to List.Count - 1 do
Dispose(PShaiTrollInterOpCommunicationInterCOMInstancePacket(List.Items[I]));
List.Clear();
finally
UnlockList();
end;
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher }
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher.Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
begin
inherited Create(True);
FManager := AManager;
Resume();
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher.Execute();
var
Dummy: Pointer;
More: Boolean;
begin
while not Terminated do
begin
try
if not Manager.DispatchPacket(Dummy, @More) then
if Assigned(Dummy) then
Dispose(PShaiTrollInterOpCommunicationInterCOMInstancePacket(Dummy));
if More then
Sleep(0)
else
Sleep(10);
except
on E: Exception do
ProtectThreadErrors(Format('Exception %s : "%s" during "Dispatcher"', [E.ClassName, E.Message]));
end;
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceDispatcher.ProtectThreadErrors(const Context: string);
begin
Manager.WriteLog('ERROR_THREAD_DISPATCHER', ltException, 'Thread Error', Context);
end;
{ TShaiTrollInterOpCommunicationInterCOMInstanceSender }
{* ----------------------------------------------------------------------------}
constructor TShaiTrollInterOpCommunicationInterCOMInstanceSender.Create(AManager: TShaiTrollInterOpCommunicationInterCOMInstanceManager);
begin
inherited Create(True);
FManager := AManager;
Resume();
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceSender.Execute;
var
P: Pointer;
Packet: PShaiTrollInterOpCommunicationInterCOMInstancePacket absolute P;
Canal: TShaiTrollInterOpCommunicationInterCOMInstanceCanal;
More: Boolean;
StepMark: string;
begin
while not Terminated do
begin
try
StepMark := 'Pick';
if Manager.PickPacketToSend(P, More) then
begin
StepMark := 'IsBadReadPtr Pick';
if not IsBadReadPtr(Packet, SizeOf(Packet^)) then
begin
try
StepMark := 'FindReceiver';
if Packet.Header.ReceiverID = 0 then
Canal := Manager.Server
else
Canal := Manager.FindClient(Packet.Header.ReceiverID);
if Assigned(Canal) then
begin
StepMark := 'SendPacket';
if not Canal.SendPacket(Packet) then
begin
Inc(Packet.Header.SendTentative);
Manager.WriteLog('ERROR_SENDER', ltError, Format('Packet Not Send to %s', [Canal.BuildId('Sender')]), Format('Tentative %d / 5', [Packet.Header.SendTentative]));
StepMark := 'ReSend';
if Packet.Header.SendTentative < 5 then
begin
Manager.AddPacketToSend(Packet); // On Retente !
Packet := nil;
More := True;
end;
end;
end
else
Manager.WriteLog('ERROR_SENDER', ltWarning, 'Canal Not Found', IntToStr(Packet.Header.ReceiverID));
finally
if Assigned(Packet) then
begin
StepMark := 'IsBadWritePtr DisposePacket';
if not IsBadWritePtr(Packet, SizeOf(Packet^)) then
begin
StepMark := 'DisposePacket';
Dispose(Packet);
end
else
Manager.WriteLog('ERROR_SENDER', ltWarning, 'DisposePacket Is Bad Write Packet Pointer', IntToStr(Packet.Header.ReceiverID))
end;
end;
end
else
Manager.WriteLog('ERROR_SENDER', ltWarning, 'PickPacketToSend Is Bad Read Packet Pointer');
end;
if More then
Sleep(0)
else
Sleep(10);
except
on E: Exception do
ProtectThreadErrors(Format('Exception %s : "%s" during "Sender.%s"', [E.ClassName, E.Message, StepMark]));
end;
end;
end;
{* ----------------------------------------------------------------------------}
procedure TShaiTrollInterOpCommunicationInterCOMInstanceSender.ProtectThreadErrors(const Context: string);
begin
Manager.WriteLog('ERROR_THREAD_SENDER', ltException, 'Thread Error', Context);
end;
{ EShaiTrollInterOpCommunicationInterCOMInstanceError }
{* ----------------------------------------------------------------------------}
constructor EShaiTrollInterOpCommunicationInterCOMInstanceError.Create(const Msg: string; ErrorCode: HRESULT);
begin
inherited Create(Message, ErrorCode, 0);
end;
{* ----------------------------------------------------------------------------}
constructor EShaiTrollInterOpCommunicationInterCOMInstanceError.CreateFmt(const Msg: string; const Args: array of const; ErrorCode: HRESULT);
begin
inherited Create(Format(Msg, Args), ErrorCode, 0);
end;
end. |
UnmapViewOfFile "Exception"
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Envoyé par BuzzLeclaire
je crois l'écrire comme ça depuis le début... 
)
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