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-   -   INDY 10 IOHandler.WriteFile (https://www.delphipraxis.net/169168-indy-10-iohandler-writefile.html)

bernhard_LA 3. Jul 2012 11:23

INDY 10 IOHandler.WriteFile
 
bei Indy 10 gibt es keine IOhandler.Readfile(...) Funktion.
Habe mir den Code selber zusammengebaut. Eine Datei vom Client zum Sever schicken geht, leider nicht vom Server zurück zum Client ...

Sieht jemand den Fehler im Code ??





Delphi-Quellcode:


///
/// ---------------      HELPER FUNCTIONS FOR FILES EXCHANGE ----------------
///

function ClientSendFile(AClient: TIdTCPClient; Filename: String): Boolean;
begin

  AClient.IOHandler.LargeStream := True; // fully support large streams
  Result := True;
  try
    AClient.IOHandler.WriteFile(Filename); // send file stream data
  except
    Result := False;
  end;

end;

function ClientReceiveFile(AClient: TIdTCPClient; Filename: String): Boolean;
var

    // LSize: String;
  AStream: TFileStream;
begin
  try
    Result := True;

    AStream := TFileStream.Create(Filename, fmCreate + fmShareDenyNone);
    try
      AClient.IOHandler.ReadStream(AStream);
    finally
      FreeAndNil(AStream);
    end;
  except
    Result := False;
  end;

end;

function ServerSendFile(AContext: TIdContext; Filename: String): Boolean;
begin

  AContext.Connection.IOHandler.LargeStream := True; // fully support large streams
  Result := True;
  try
    AContext.Connection.IOHandler.WriteFile(Filename); // send file stream data
  except
    Result := False;
  end;

end;

function ServerReceiveFile(AContext: TIdContext; ServerFilename: String;
  var ClientFilename: String): Boolean;
var
  // LSize: String;
  AStream: TFileStream;
begin
  try
    Result := True;
    AStream := TFileStream.Create(ServerFilename, fmCreate + fmShareDenyNone);
    try
      AContext.Connection.IOHandler.ReadStream(AStream);
    finally
      FreeAndNil(AStream);
    end;
  except
    Result := False;
  end;
end;


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