Still on the INetLib

[Jason D. Kleban]

This is driving me very insane.  I seem to not be correctly initializing
the sockHP.  When I run it, I get errors that the lines with sockHP in
it a about trying to access the address that sockHP holds (from the
debugger).

This function is SUPPOSED to take a URL from txtRequest field and put
the txtResponse field.  Just that simple.  No asynchornous nothing.

This should be simple.  Maybe I'm missing a step.  Maybe the sockH
should be preallocated with as a NewMemHandle? If that's the answer, I
can't figure that out either.

I did order a bunch of books to compliment the online docs from my boss.
(So I'm not just trying to freeload off here)

Please?

Thanks,

Jason

static Boolean frmMain_btnRequest_OnSelect(EventPtr event)
{
        // Note: Form Fields are txtRequest and txtReturn.
        //              This function activated by pressing btnRequest.
        
        FormType *formPtr; // pointer to current form
        UInt16 fieldReturnIndex; // Index of txtReturn
        UInt16 fieldRequestIndex; // Index of txtRequest
        FieldType *fieldReturnPtr; // * to txtReturn
        FieldType *fieldRequestPtr; // * to txtRequest
        UInt16 libRefNum; // INetLib Reference Number
        UInt16 WirelessConfig; // Wireless Configuration Set
        MemHandle inetH; // Handle INetLib
        MemHandle* sockHP; // Pointer to Handle of Socket
        UInt32 actBytes = 0; // Actual Bytes Read from Socket
        Char* serverResponse; // Server Response
        Err myError;
        
        // Get a pointer to the active form:
        formPtr = FrmGetActiveForm(); 
        
        // Get the indexes of the fields:
        fieldReturnIndex = FrmGetObjectIndex(formPtr, txtReturn);
        fieldRequestIndex = FrmGetObjectIndex(formPtr, txtRequest);
        
        // Using the indexes we can get a pointers to the fields:
        fieldReturnPtr = (FieldType *) FrmGetObjectPtr(formPtr,
fieldReturnIndex);
        fieldRequestPtr = (FieldType *) FrmGetObjectPtr(formPtr,
fieldRequestIndex);
        
        // Open Internet Library
        SysLibFind(inetLibName, &libRefNum);
        INetLibConfigIndexFromName(libRefNum, (INetConfigNameType*)
inetCfgNameDefWireless, &WirelessConfig);
        myError = INetLibOpen(libRefNum, WirelessConfig, 0, NULL, 0,
&inetH);
        
        ErrFatalDisplayIf(myError,"INetLibOpen failed.");
        
        // Open Internet URL
        myError = INetLibURLOpen(libRefNum, inetH,
FldGetTextPtr(fieldRequestPtr), 
                        NULL, sockHP, 1500 , 0);
                        
        ErrFatalDisplayIf(myError, "INetLibURLOpen can't load page.");
        
        // Get the Site Response
        do
        {
                // Read from the Socket
                myError = INetLibSockRead (libRefNum, *sockHP,
serverResponse, 1, &actBytes, 500 );
                
                ErrFatalDisplayIf(myError,"INetLibSockRead failure.");
                
                // Write output to the return field
                if (actBytes != 0) FldInsert(fieldReturnPtr,
serverResponse, 1);
        } while (actBytes != 0);
        
        //Close the Internet Again
        INetLibClose(libRefNum, inetH);
        
        return true;
}

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