ServerEnumerator.h

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/*
 * ServerEnumerator.h
 *
 *  Created on: 29 Jan 2012
 *      Author: Patrick
 */

#ifndef SERVERENUMERATOR_H_
#define SERVERENUMERATOR_H_

#include <vcl.h>
#pragma hdrstop

#include <windows.h>

/*
 * TODO remove the VCL style callbacks and use some Observer pattern
 */

      typedef void (__closure *TSEServerEvent)(const AnsiString& remoteName, const AnsiString& comment, const AnsiString& ip);
      typedef void (__closure *TSEMessageEvent)(const AnsiString& message, const int Level);
      typedef void (__closure *TSEProgressEvent)(const float complete);


class ServerEnumerator {
public:
        ServerEnumerator();
        virtual ~ServerEnumerator();

        __property TSEServerEvent OnServer = {read = FServerEvent, write = FServerEvent};

        __property TSEMessageEvent OnMessage = {read = FMessageEvent, write = FMessageEvent};

        __property TSEProgressEvent OnProgress = {read = FProgressEvent, write = FProgressEvent};

        void enumerateServers();

private:

        int resourcesProcessed_;
        int resourceTotal_;

        TSEServerEvent FServerEvent;
        TSEMessageEvent FMessageEvent;
        TSEProgressEvent FProgressEvent;

    void debugOutput(const AnsiString & operation, const AnsiString & message);
        void netErrorHandler(const DWORD dwErrorCode, const AnsiString& errorFunction);
        void handleResource(const NETRESOURCE& resource);
        BOOL enumerateFunc(const LPNETRESOURCE resourcePtr);
        void addServer(const AnsiString& remoteName, const AnsiString& comment);
        void addMessage(const AnsiString& message, const int Level);

        void updateProgress(const float complete);

};

#endif /* SERVERENUMERATOR_H_ */