ckNetBaseSocket.h

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/*
 *
 * Clapkit
 * ----------------------------------------------------------------------
 * A wrapper for creating a 'generalized' app for Classic MacOS
 * that (hopefully) can be ported easily to other platforms.
 *
 * CKNetBaseSocket
 * ----------------------------------------------------------------------
 * Implements the base socket for CKNetClient and CKNetServer
 *
 */
 
#include "ckObject.h"
#include "ckTypes.h"
#include <Devices.h>
#include <MacTCP.h>
 
pascal void CKNBSNotify(StreamPtr stream, unsigned short eventCode, Ptr userDataPtr, unsigned short terminReason, struct ICMPReport* icmpMsg);
pascal void CKNBSIOCompletion(TCPiopb* iopb);
 
extern TCPNotifyUPP ckgNotifyUPP;
extern TCPIOCompletionUPP ckgIOCompletionUPP;
 
struct CKNetBaseSocketEvtFromInterrupt {
    public:
        short csCode = 0;
        bool result = false;
        bool isWritten = false;
        bool isRead = false;
};
 
class CKNetBaseSocket : public CKObject {
 
    public:
        CKNetBaseSocket();
        ~CKNetBaseSocket();
 
        virtual void Close();
        void SetBufferSize(UInt16 size) {
            if (this->__stream) {
                return;
            }
            this->__mactcpBufferSize = size;
        }
        UInt16 GetBufferSize() {
            return this->__mactcpBufferSize;
        }
 
        void Loop();
 
    protected:
        CKError __openStream();
        CKError __closeStream();
 
        friend pascal void CKNBSNotify(StreamPtr, unsigned short, Ptr, unsigned short, struct ICMPReport*);
        void __postNotifyEvent(unsigned short eventCode, unsigned short terminReason, struct ICMPReport* icmpMsg);
 
        friend pascal void CKNBSIOCompletion(TCPiopb* iopb);
        void __postIOCompletionEvent(unsigned short csCode, bool result);
 
    protected:
        UInt16 __mactcpBufferSize = 8192;
        Ptr __mactcpBuffer = 0;
        StreamPtr __stream = 0;
        bool __hasStream = false;
        bool __isConnected = false;
 
    private:
        bool __hasIntEvents = false;
        bool __hasIncomingData = false;
        bool __hasDisconnected = false;
        CKNetBaseSocketEvtFromInterrupt __intEvents[32];
        int __intEventsWriteIdx = 0;
        int __intEventsReadIdx = 0;
};