SCSIOldAndNew.c

/*
    File:			SCSIOldAndNew.c
	
    Description:	Part of the sample SCSIOldAndNew. This sample demonstrates how to use the SCSITask User
					Client (STUC) and the (as of Mac OS X 10.2) deprecated IOSCSIUserClient APIs to find
					SCSI devices and issue a simple INQUIRY command to each device.
                        
    Copyright:		© Copyright 2003-2006 Apple Computer, Inc. All rights reserved.
	
    Disclaimer:		IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
					("Apple") in consideration of your agreement to the following terms, and your
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					constitutes acceptance of these terms.  If you do not agree with these terms,
					please do not use, install, modify or redistribute this Apple software.

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					copyrights in this original Apple software (the "Apple Software"), to use,
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					expressly stated in this notice, no other rights or licenses, express or implied,
					are granted by Apple herein, including but not limited to any patent rights that
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					Software may be incorporated.

					The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
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	Change History (most recent first):

            1.1		10/10/2006			Updated to produce a universal binary. Now requires Xcode 2.2.1 or
										later to build.

            1.0	 	05/08/2003			New sample.
        
*/

#include <Carbon/Carbon.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/scsi-commands/SCSICmds_INQUIRY_Definitions.h>
#include "STUCMethod.h"
#include "OldMethod.h"

#define kCommandDirectAccessSBCDevice				'00h '
#define kCommandSequentialAccessSSCDevice			'01h '
#define kCommandPrinterSSCDevice					'02h '
#define kCommandProcessorSPCDevice					'03h '
#define kCommandWriteOnceSBCDevice					'04h '
#define kCommandCDROM_MMCDevice						'05h '
#define kCommandScannerSCSI2Device					'06h '
#define kCommandOpticalMemorySBCDevice				'07h '
#define kCommandMediumChangerSMCDevice				'08h '
#define kCommandCommunicationsSSCDevice				'09h '
#define kCommandStorageArrayControllerSCC2Device	'0Ch '
#define kCommandEnclosureServicesSESDevice			'0Dh '
#define kCommandSimplifiedDirectAccessRBCDevice		'0Eh '
#define kCommandOpticalCardReaderOCRWDevice			'0Fh '
#define kCommandUnknownOrNoDeviceType				'1Fh '

void TestDevices(int peripheralDeviceType)
{
    io_iterator_t	iterator = IO_OBJECT_NULL;
    
    if (FindDevicesUsingSTUC(peripheralDeviceType, kIOMasterPortDefault, &iterator)) {
        TestDevicesUsingSTUC(peripheralDeviceType, iterator);
    }
#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_2
	// The "old" method exists only from Mac OS X 10.0.x through 10.2.x.
    else if (FindDevicesUsingOldMethod(peripheralDeviceType, kIOMasterPortDefault, &iterator)) {
        TestDevicesUsingOldMethod(iterator);
    }
#endif
    else {
        fprintf(stderr, "No devices with peripheral device type %02Xh found.\n", peripheralDeviceType);
    }
    
    if (iterator) {
        IOObjectRelease(iterator);
    }
}

// Handle command-process events at the application level
OSStatus DoAppCommandProcess(EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
    HICommand  aCommand;
    OSStatus   result;

    GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand),
                      NULL, &aCommand);
    
    switch (aCommand.commandID) {
		case kCommandDirectAccessSBCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_DirectAccessSBCDevice);
			result = noErr;
			break;
						
		case kCommandSequentialAccessSSCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_SequentialAccessSSCDevice);
			result = noErr;
			break;
				
		case kCommandPrinterSSCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_PrinterSSCDevice);
			result = noErr;
			break;
				
		case kCommandProcessorSPCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_ProcessorSPCDevice);
			result = noErr;
			break;
				
		case kCommandWriteOnceSBCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_WriteOnceSBCDevice);
			result = noErr;
			break;
				
		case kCommandCDROM_MMCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_CDROM_MMCDevice);
			result = noErr;
			break;
				
		case kCommandScannerSCSI2Device:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_ScannerSCSI2Device);
			result = noErr;
			break;
				
		case kCommandOpticalMemorySBCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_OpticalMemorySBCDevice);
			result = noErr;
			break;
				
		case kCommandMediumChangerSMCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_MediumChangerSMCDevice);
			result = noErr;
			break;
				
		case kCommandCommunicationsSSCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_CommunicationsSSCDevice);
			result = noErr;
			break;
				
		case kCommandStorageArrayControllerSCC2Device:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_StorageArrayControllerSCC2Device);
			result = noErr;
			break;
				
		case kCommandEnclosureServicesSESDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_EnclosureServicesSESDevice);
			result = noErr;
			break;
				
		case kCommandSimplifiedDirectAccessRBCDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_SimplifiedDirectAccessRBCDevice);
			result = noErr;
			break;
				
		case kCommandOpticalCardReaderOCRWDevice:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_OpticalCardReaderOCRWDevice);
			result = noErr;
			break;
				
		case kCommandUnknownOrNoDeviceType:
			TestDevices(kINQUIRY_PERIPHERAL_TYPE_UnknownOrNoDeviceType);
			result = noErr;
			break;

        case kHICommandQuit:
            QuitApplicationEventLoop();
            result = noErr;
            break;
    
        default:
            result = eventNotHandledErr;
            break;
    }
    
    HiliteMenu(0);
    return result;
}

void InstallAppEvents(void)
{
    EventHandlerUPP	eventHandler;
    EventTypeSpec  	eventType;

    eventHandler = NewEventHandlerUPP(DoAppCommandProcess);
    eventType.eventClass = kEventClassCommand;
    eventType.eventKind = kEventCommandProcess;
    InstallApplicationEventHandler(eventHandler, 1, &eventType, NULL, NULL);
}

int main(int argc, char* argv[])
{
    IBNibRef 		nibRef;
    OSStatus		err;

    // Create a Nib reference passing the name of the nib file (without the .nib extension)
    // CreateNibReference only searches into the application bundle.
    err = CreateNibReference(CFSTR("Main"), &nibRef);
    require_noerr(err, CantGetNibRef);
    
    // Once the nib reference is created, set the menu bar. "MainMenu" is the name of the menu bar
    // object. This name is set in InterfaceBuilder when the nib is created.
    err = SetMenuBarFromNib(nibRef, CFSTR("MenuBar"));
    require_noerr(err, CantSetMenuBar);
    
    // We don't need the nib reference any more.
    DisposeNibReference(nibRef);
    
    // Install our application event handler.
    InstallAppEvents();

    // Call the event loop.
    RunApplicationEventLoop();

CantSetMenuBar:
CantGetNibRef:
    return err;
}