/*

File: MyViewController.m

Abstract: A view controller responsible for managing the Hello World view.

Version: 1.7

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*/

#import "MyViewController.h"

#import "BLIP.h"

@implementation MyViewController

@synthesize textField;

@synthesize label;

@synthesize string;

- (void)viewDidLoad {

    // When the user starts typing, show the clear button in the text field.

    textField.clearButtonMode = UITextFieldViewModeWhileEditing;

    label.text = @"Opening listener socket...";

    _listener = [[BLIPListener alloc] initWithPort: 12345];

    _listener.delegate = self;

    _listener.pickAvailablePort = YES;

    _listener.bonjourServiceType = @"_blipecho._tcp";

    [_listener open];

}

- (void)updateString {

	// Store the text of the text field in the 'string' instance variable.

	self.string = textField.text;

    // Set the text of the label to the value of the 'string' instance variable.

	label.text = self.string;

}

- (BOOL)textFieldShouldReturn:(UITextField *)theTextField {

	// When the user presses return, take focus away from the text field so that the keyboard is dismissed.

	if (theTextField == textField) {

		[textField resignFirstResponder];

        // Invoke the method that changes the greeting.

        [self updateString];

	}

	return YES;

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    // Dismiss the keyboard when the view outside the text field is touched.

    [textField resignFirstResponder];

    // Revert the text field to the previous value.

    [super touchesBegan:touches withEvent:event];

}

- (void)dealloc {

	[textField release];

	[label release];

    [_listener close];

    [_listener release];

	[super dealloc];

}

#pragma mark BLIP Listener Delegate:

- (void) listenerDidOpen: (TCPListener*)listener

{

    label.text = [NSString stringWithFormat: @"Listening on port %i",listener.port];

}

- (void) listener: (TCPListener*)listener failedToOpen: (NSError*)error

{

    label.text = [NSString stringWithFormat: @"Failed to open listener on port %i: %@",

                  listener.port,error];

}

- (void) listener: (TCPListener*)listener didAcceptConnection: (TCPConnection*)connection

{

    label.text = [NSString stringWithFormat: @"Accepted connection from %@",

                  connection.address];

    connection.delegate = self;

}

- (void) connection: (TCPConnection*)connection failedToOpen: (NSError*)error

{

    label.text = [NSString stringWithFormat: @"Failed to open connection from %@: %@",

                  connection.address,error];

}

- (void) connection: (BLIPConnection*)connection receivedRequest: (BLIPRequest*)request

{

    NSString *message = [[NSString alloc] initWithData: request.body encoding: NSUTF8StringEncoding];

    label.text = [NSString stringWithFormat: @"Echoed:\n“%@”",message];

    [request respondWithData: request.body contentType: request.contentType];

}

- (void) connectionDidClose: (TCPConnection*)connection;

{

    label.text = [NSString stringWithFormat: @"Connection closed from %@",

                  connection.address];

}

@end