/*

    File:       main.c

    Abstract:   File copy engine tool which demonstrates the use of the FSFileOperation, and 

                FSCopyObject APIs.

    Version:    1.0

    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

                use, installation, modification or redistribution of this Apple software

                constitutes acceptance of these terms.  If you do not agree with these terms,

                please do not use, install, modify or redistribute this Apple software.

                In consideration of your agreement to abide by the following terms, and subject

                to these terms, Apple grants you a personal, non-exclusive license, under Apple's

                copyrights in this original Apple software (the "Apple Software"), to use,

                reproduce, modify and redistribute the Apple Software, with or without

                modifications, in source and/or binary forms; provided that if you redistribute

                the Apple Software in its entirety and without modifications, you must retain

                this notice and the following text and disclaimers in all such redistributions of

                the Apple Software.  Neither the name, trademarks, service marks or logos of

                Apple Computer, Inc. may be used to endorse or promote products derived from the

                Apple Software without specific prior written permission from Apple.  Except as

                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

                may be infringed by your derivative works or by other works in which the Apple

                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

                COMBINATION WITH YOUR PRODUCTS.

                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

                GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

                OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Copyright � 2005 Apple Computer, Inc., All Rights Reserved

*/

#include <CoreServices/CoreServices.h>

#include <CoreFoundation/CoreFoundation.h>

#include <unistd.h>

static Boolean gDone;

static Boolean gVerbose;

static void statusCallbackPath(FSFileOperationRef fileOp, const char *currentItem, FSFileOperationStage stage, OSStatus error, CFDictionaryRef statusDictionary, void *info)

{

    if (gVerbose)

    {

        printf("statusCallback called: stage: %ld, Error: %ld\n", stage, error);

        if (currentItem)

            printf("\tcurrentItem: %s\n", currentItem);

        // attempt to get status from the dictionary

        if (statusDictionary)

        {

            CFNumberRef throughput, itemsCompleted, bytesCompleted, totalItems, totalBytes, itemsRemaining, bytesRemaining;

            throughput = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationThroughputKey);

            if (throughput)

            {

                fprintf(stderr, "\tthroughput: ");

                CFShow(throughput);

            }

            itemsCompleted = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationObjectsCompleteKey);

            if (itemsCompleted)

            {

                fprintf(stderr, "\titemsCompleted: ");

                CFShow(itemsCompleted);

            }

            bytesCompleted = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationBytesCompleteKey);

            if (bytesCompleted)

            {

                fprintf(stderr, "\tbytesCompleted: ");

                CFShow(bytesCompleted);

            }

            totalItems = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationTotalObjectsKey);

            if (totalItems)

            {

                fprintf(stderr, "\ttotalItems: ");

                CFShow(totalItems);

            }

            totalBytes = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationTotalBytesKey);

            if (totalBytes)

            {

                fprintf(stderr, "\ttotalBytes: ");

                CFShow(totalBytes);

            }

            itemsRemaining = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationObjectsRemainingKey);

            if (itemsRemaining)

            {

                fprintf(stderr, "\titemsRemaining: ");

                CFShow(itemsRemaining);

            }

            bytesRemaining = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationBytesRemainingKey);

            if (bytesRemaining)

            {

                fprintf(stderr, "\tbytesRemaining: ");

                CFShow(bytesRemaining);

            }

        }

        if (info)

        {

            CFStringRef theString = (CFStringRef)info;

            fprintf(stderr, "Info %lx\n", info);

            CFShow(theString);

        }

    }   

    if (stage == kFSOperationStageComplete)

        gDone = true;

}

static void statusCallback(FSFileOperationRef fileOp, const FSRef *currentItem, FSFileOperationStage stage, OSStatus error, CFDictionaryRef statusDictionary, void *info)

{

    if (gVerbose)

    {

        printf("statusCallback called: stage: %ld, Error: %ld\n", stage, error);

        if (currentItem)

            PrintFSRef(currentItem);

        // attempt to get status from the dictionary

        if (statusDictionary)

        {

            CFNumberRef throughput, itemsCompleted, bytesCompleted, totalItems, totalBytes, itemsRemaining, bytesRemaining;

            throughput = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationThroughputKey);

            if (throughput)

            {

                fprintf(stderr, "\tthroughput: ");

                CFShow(throughput);

            }

            itemsCompleted = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationObjectsCompleteKey);

            if (itemsCompleted)

            {

                fprintf(stderr, "\titemsCompleted: ");

                CFShow(itemsCompleted);

            }

            bytesCompleted = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationBytesCompleteKey);

            if (bytesCompleted)

            {

                fprintf(stderr, "\tbytesCompleted: ");

                CFShow(bytesCompleted);

            }

            totalItems = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationTotalObjectsKey);

            if (totalItems)

            {

                fprintf(stderr, "\ttotalItems: ");

                CFShow(totalItems);

            }

            totalBytes = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationTotalBytesKey);

            if (totalBytes)

            {

                fprintf(stderr, "\ttotalBytes: ");

                CFShow(totalBytes);

            }

            itemsRemaining = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationObjectsRemainingKey);

            if (itemsRemaining)

            {

                fprintf(stderr, "\titemsRemaining: ");

                CFShow(itemsRemaining);

            }

            bytesRemaining = (CFNumberRef) CFDictionaryGetValue(statusDictionary, kFSOperationBytesRemainingKey);

            if (bytesRemaining)

            {

                fprintf(stderr, "\tbytesRemaining: ");

                CFShow(bytesRemaining);

            }

        }

        if (info)

        {

            CFStringRef theString = (CFStringRef)info;

            fprintf(stderr, "Info:  0x%lx\n", info);

            CFShow(theString);

        }

    }   

    if (stage == kFSOperationStageComplete)

        gDone = true;

}

static OSStatus SetAsyncOpInMotion(Boolean copy, FSFileOperationRef fileOp, const FSRef *source, const FSRef *destDir, CFStringRef destName, OptionBits flags, FSFileOperationStatusProcPtr callback, CFTimeInterval statusChangeInterval, CFStringRef contextString)

{

    FSFileOperationClientContext    clientContext;

    OSStatus err;

    // The FSFileOperation will copy the data from the passed in clientContext so using

    // a stack based record that goes out of scope during the operation is fine.

    if (contextString)

    {

        clientContext.version = 0;

        clientContext.info = (void *) contextString;

        clientContext.retain = CFRetain;

        clientContext.release = CFRelease;

        clientContext.copyDescription = CFCopyDescription;

    }

    if (copy)

        err = FSCopyObjectAsync(fileOp, source, destDir, destName, flags, callback, statusChangeInterval, contextString != NULL ? &clientContext : NULL);

    else

        err = FSMoveObjectAsync(fileOp, source, destDir, destName, flags, callback, statusChangeInterval, contextString != NULL ? &clientContext : NULL);

    return err;

}

static OSStatus OperateByRef(Boolean copy, const char *sourcePath, const char *destPath, const char *destName, CFTimeInterval statusInterval, OptionBits options, Boolean async, CFStringRef contextString)

{

    FSRef   srcRef, destDirRef, target;

    OSStatus    err;

    CFRunLoopRef    runLoop;

    FSFileOperationRef  fileOp;

    CFStringRef destString = NULL;

    gDone = false;

    err = FSPathMakeRef((UInt8 *)sourcePath, &srcRef, NULL);

    require_noerr(err, FSPathMakeRefsourceFailed);

    err = FSPathMakeRef((UInt8 *)destPath, &destDirRef, NULL);

    require_noerr(err, FSPathMakeRefdestFailed);

    if (destName)

    {

        destString = CFStringCreateWithCString(kCFAllocatorDefault, destName, kCFStringEncodingUTF8);

        if ((destString == NULL) && (gVerbose))

            fprintf(stderr, "Could not create destString for %s, using NULL\n", destName);

    }

    if (async)

    {

        runLoop = CFRunLoopGetCurrent();

        fileOp = FSFileOperationCreate(kCFAllocatorDefault);

        require(fileOp, FSFileOperationCreateFailed);

        err = FSFileOperationScheduleWithRunLoop(fileOp, runLoop, kCFRunLoopDefaultMode);

        require_noerr(err, FSFileOperationScheduleWithRunLoopFailed);

        err = SetAsyncOpInMotion(copy, fileOp, &srcRef, &destDirRef, destString, options, statusCallback, statusInterval, contextString);  

        // The operation will retain the data it requires, so go ahead andrelease

        // the contextString and destString now if they were provided

        if (contextString)

            CFRelease(contextString);

        if (destString)

            CFRelease(destString);

        require_noerr(err, FSXXXXObjectAsyncFailed);

        // This is a wait loop, since the tool does not have anything better to do.

        // In a real application there should be plenty of better things to do.

        // Make sure to run the runloop that the operation is scheduled on in the

        // specified mode. 

        while (!gDone)

            CFRunLoopRunInMode(kCFRunLoopDefaultMode, 5.0, true);

        (void) FSFileOperationCopyStatus(fileOp, &target, NULL, &err, NULL, NULL);

    FSXXXXObjectAsyncFailed:

    FSFileOperationScheduleWithRunLoopFailed:

        CFRelease(fileOp);

    }

    else

    {

        // contextString does not apply to the sync call, so release it now

        if (contextString)

            CFRelease(contextString);

        if (copy)

            err = FSCopyObjectSync(&srcRef, &destDirRef, destString, &target, options);

        else

            err = FSMoveObjectSync(&srcRef, &destDirRef, destString, &target, options);

        if (destString)

            CFRelease(destString);

    }

    if ((err == noErr) && (gVerbose))

    {

        printf("target: ");

        PrintFSRef(&target);

    }

FSFileOperationCreateFailed:

FSPathMakeRefsourceFailed:

FSPathMakeRefdestFailed:

    return err;

}

static OSStatus SetAsyncPathOpInMotion(Boolean copy, FSFileOperationRef fileOp, const char *sourcePath, const char *destDirPath, CFStringRef destName, OptionBits flags, FSPathFileOperationStatusProcPtr callback, CFTimeInterval statusChangeInterval, CFStringRef contextString)

{

    FSFileOperationClientContext    clientContext;

    OSStatus err;

    // The FSFileOperation will copy the data from the passed in clientContext so using

    // a stack based record that goes out of scope during the operation is fine.

    if (contextString)

    {

        clientContext.version = 0;

        clientContext.info = (void *) contextString;

        clientContext.retain = CFRetain;

        clientContext.release = CFRelease;

        clientContext.copyDescription = CFCopyDescription;

    }

    if (copy)

        err = FSPathCopyObjectAsync(fileOp, sourcePath, destDirPath, destName, flags, callback, statusChangeInterval, contextString != NULL ? &clientContext : NULL);

    else

        err = FSPathMoveObjectAsync(fileOp, sourcePath, destDirPath, destName, flags, callback, statusChangeInterval, contextString != NULL ? &clientContext : NULL);

    return err;

}

static OSStatus OperateByPath(Boolean copy, const char *sourcePath, const char *destPath, const char *destName, CFTimeInterval statusInterval, OptionBits options, Boolean async, CFStringRef contextString)

{

    OSStatus    err;

    CFRunLoopRef    runLoop;

    FSFileOperationRef  fileOp;

    CFStringRef destString = NULL;

    char *      targetPath;

    gDone = false;

    if (destName)

    {

        destString = CFStringCreateWithCString(kCFAllocatorDefault, destName, kCFStringEncodingUTF8);

        if ((destString == NULL) && (gVerbose))

            fprintf(stderr, "Could not create destString for %s, using NULL\n", destName);

    }

    if (async)

    {

        runLoop = CFRunLoopGetCurrent();

        fileOp = FSFileOperationCreate(kCFAllocatorDefault);

        require(fileOp, FSFileOperationCreateFailed);

        err = FSFileOperationScheduleWithRunLoop(fileOp, runLoop, kCFRunLoopDefaultMode);

        require_noerr(err, FSFileOperationScheduleWithRunLoopFailed);

        err = SetAsyncPathOpInMotion(copy, fileOp, sourcePath, destPath, destString, options, statusCallbackPath, statusInterval, contextString);

        // The operation will retain the data it requires, so go ahead andrelease

        // the contextString and destString now if they were provided

        if (contextString)

            CFRelease(contextString);

        if (destString)

            CFRelease(destString);

        require_noerr(err, FSXXXXObjectAsyncFailed);

        // This is a wait loop, since the tool does not have anything better to do.

        // In a real application there should be plenty of better things to do.

        // Make sure to run the runloop that the operation is scheduled on in the

        // specified mode. 

        while (!gDone)

            CFRunLoopRunInMode(kCFRunLoopDefaultMode, 5.0, true);

        (void) FSPathFileOperationCopyStatus(fileOp, &targetPath, NULL, &err, NULL, NULL);

    FSXXXXObjectAsyncFailed:

    FSFileOperationScheduleWithRunLoopFailed:

        CFRelease(fileOp);

    }

    else

    {

        // contextString does not apply to the sync call, so release it now

        if (contextString)

            CFRelease(contextString);

        if (copy)

            err = FSPathCopyObjectSync(sourcePath, destPath, destString, &targetPath, options);

        else

            err = FSPathMoveObjectSync(sourcePath, destPath, destString, &targetPath, options);

        if (destString)

            CFRelease(destString);

    }

    if ((err == noErr) && (gVerbose) && (targetPath))

    {

        printf("targetPath: %s\n", targetPath);

        free(targetPath);

    }

FSFileOperationCreateFailed:

    return err;

}

static void usage(const char *progname)

{

    printf("Usage: %s -s sourcePath -d destPath [-i statusInterval] [-p] [-n destinationName] [-f infoString] [-a] [-m] [-v] [-o] [-w] [-c] [-e]\n",progname);

    printf("\tsourcePath: utf-8 path to source file or directory\n\tdestPath: utf-8 path to destination directory\n\tstatusInterval: minimum number of seconds between status callbacks.  Default is 1.0\n");

    printf("\t-p uses path based call.  Default is to use FSRef based call\n\tdestinationName: utf8 string specifying new name for source item in destination directory.  Default is source item name.\n");

    printf("\t-f infoString will pass a clientContext with a CFString created from infoString\t-a uses async call.  Default is sync\n\t-v verbose mode: print more status info\n\t-m move instead of copy.\n");

    printf("\t-o kFSFileOperationOverwrite, -w kFSFileOperationSkipSourcePermissionErrors, -c kFSFileOperationDoNotMoveAcrossVolumes, -e kFSFileOperationSkipPreflight.  Default is kFSFileOperationDefaultOptions.\n");

    exit(1);

}   

int main (int argc, char * const * argv) 

{

    char ch;

    Boolean byPath = false, async = false;

    char *sourcePath, *destDirPath, *destName;

    CFTimeInterval  statusInterval = 1.0;

    OSStatus    err;

    OptionBits  options = kFSFileOperationDefaultOptions;

    Boolean copy;

    CFStringRef contextString = NULL;

    sourcePath = destDirPath = destName = NULL;

    gVerbose = false;

    copy = true;

    while ((ch = getopt(argc, argv, "s:d:i:pn:f:owceavm")) != -1)

        switch (ch)

        {

            case 's':

                sourcePath = optarg;

                break;

            case 'd':

                destDirPath = optarg;

                break;

            case 'i':

                statusInterval = atof(optarg);

                break;

            case 'p':

                byPath = true;

                break;

            case 'n':

                destName = optarg;

                break;

            case 'a':

                async = true;

                break;

            case 'o':

                options |= kFSFileOperationOverwrite;

                break;

            case 'w':

                options |= kFSFileOperationSkipSourcePermissionErrors;

                break;

            case 'c':

                options |= kFSFileOperationDoNotMoveAcrossVolumes;

                break;

            case 'e':

                options |= kFSFileOperationSkipPreflight;

                break;

            case 'v':

                gVerbose = true;

                break;

            case 'm':

                copy = false;

                break;

            case 'f':

                contextString = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);

                break;

            case '?':

            default:

                usage(argv[0]);

        }

    if ((sourcePath == NULL) || (destDirPath == NULL))

        usage(argv[0]);

    if (copy)

        printf("Copying");

    else

        printf("Moving");

    printf(" %s to %s" ,sourcePath,destDirPath);

    if (async)

        printf(" with statusInterval of %g", statusInterval);

    if (destName)

        printf(" with destName %s", destName);

    if (options == kFSFileOperationDefaultOptions)

        printf(" using kFSFileOperationDefaultOptions");

    else

    {

        printf(" with");

        if (options & kFSFileOperationOverwrite)

            printf(" kFSFileOperationOverwrite");

        if (options & kFSFileOperationSkipSourcePermissionErrors)

            printf(" kFSFileOperationSkipSourcePermissionErrors");

        if (options & kFSFileOperationDoNotMoveAcrossVolumes)

            printf(" kFSFileOperationDoNotMoveAcrossVolumes");

        if (options & kFSFileOperationSkipPreflight)

            printf(" kFSFileOperationSkipPreflight");

        printf(" set");

    }

    if (gVerbose)

        printf(" in verbose mode");

    if (contextString)

        printf(" with a client context");

    if (async)

        printf(" using async");

    else

        printf(" using sync");

    if (byPath)

        printf(" path based call.\n");

    else

        printf(" ref based call.\n");

    if (byPath)

        err = OperateByPath(copy, sourcePath, destDirPath, destName, statusInterval, options, async, contextString);

    else

        err = OperateByRef(copy, sourcePath, destDirPath, destName, statusInterval, options, async, contextString);

    if (gVerbose)

    {

        if (err == noErr)

            printf("returning noErr\n");

    }

    if (err != noErr)

        printf("Error: %s (%d)\n", GetMacOSStatusErrorString(err), err);

    return err;

}