/*

    File:       main.m

    Contains:   A simple test program for the SRVResolver class.

    Written by: DTS

    Copyright:  Copyright (c) 2010-2012 Apple Inc. All Rights Reserved.

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                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,

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                THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

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*/

#include "SRVResolver.h"

@interface Main : NSObject <SRVResolverDelegate>

- (BOOL)runWithSRVName:(NSString *)srvName;

@end

@interface Main ()

@property (nonatomic, strong, readwrite) SRVResolver *  resolver;

@end

@implementation Main

- (void)dealloc

{

    [self->_resolver stop];

}

@synthesize resolver = _resolver;

- (BOOL)runWithSRVName:(NSString *)srvName

    // The Objective-C 'main' for this program.  It creates a SRVResolver object 

    // and runs the runloop, allowing it to issue the query and receive the reply.

{

    assert(self.resolver == nil);

    self.resolver = [[SRVResolver alloc] initWithSRVName:srvName];

    assert(self.resolver != nil);

    if (NO) {

        self.resolver.delegate = self;

    }

    [self.resolver start];

    while ( ! self.resolver.isFinished ) {

        [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];

    }

    if (self.resolver.error == nil) {

        NSLog(@"Priority   Weight Target:Port");

        NSLog(@"--------   ------ -----------");

        for (NSDictionary * result in self.resolver.results) {

            NSLog(

                @"%8d %8d %@:%d", 

                [[result objectForKey:kSRVResolverPriority] intValue],

                [[result objectForKey:kSRVResolverWeight  ] intValue],

                [result objectForKey:kSRVResolverTarget],

                [[result objectForKey:kSRVResolverPort    ] intValue]

            );

        }

    } else {

        NSLog(@"error = %@", self.resolver.error);

    }

    return (self.resolver.error == nil);

}

- (void)srvResolver:(SRVResolver *)resolver didReceiveResult:(NSDictionary *)result

    // An SRVResolver delegate callback.  See the "SRVResolver.h" for details.

{

    assert(resolver == self.resolver);

    #pragma unused(resolver)

    assert(result != nil);

    NSLog(@"didReceiveResult %@", result);

}

- (void)srvResolver:(SRVResolver *)resolver didStopWithError:(NSError *)error

    // An SRVResolver delegate callback.  See the "SRVResolver.h" for details.

{

    assert(resolver == self.resolver);

    #pragma unused(resolver)

    NSLog(@"didStopWithError %@", error);

}

@end

// A good address to test this with is:

//

// _xmpp-server._tcp.gmail.com

//

// See the read me for a specific example.

int main(int argc, char* argv[])

{

    #pragma unused(argc)

    #pragma unused(argv)

    int                 retVal;

    BOOL                success;

    Main *              mainObj;

    @autoreleasepool {

        retVal = EXIT_FAILURE;

        if (argc == 2) {

            mainObj = [[Main alloc] init];

            assert(mainObj != nil);

            success = [mainObj runWithSRVName:[NSString stringWithUTF8String:argv[1]]];

            if (success) {

                retVal = EXIT_SUCCESS;

            }

        } else {

            fprintf(stderr, "usage: %s name\n", getprogname());

        }

    }    

    return retVal;

}