//

 //  BLIPEchoClient.m

 //  MYNetwork

 //

 //  Created by Jens Alfke on 5/24/08.

 //  Copyright 2008 Jens Alfke. All rights reserved.

 //  Adapted from Apple sample code "CocoaEcho":

 //  http://developer.apple.com/samplecode/CocoaEcho/index.html

 //

 #import "BLIPEchoClient.h"

 #import "MYBonjourBrowser.h"

 #import "MYBonjourService.h"

 #import "CollectionUtils.h"

 #import "MYNetwork.h"

 #import "Target.h"

 @implementation BLIPEchoClient

 - (void)awakeFromNib 

 {

     [self.serviceBrowser start];

 }

 - (MYBonjourBrowser*) serviceBrowser {

     if (!_serviceBrowser)

         _serviceBrowser = [[MYBonjourBrowser alloc] initWithServiceType: @"_blipecho._tcp."];

     return _serviceBrowser;

 }

 - (NSArray*) serviceList {

     return [_serviceBrowser.services.allObjects sortedArrayUsingSelector: @selector(compare:)];

 }

 + (NSArray*) keyPathsForValuesAffectingServiceList {

     return $array(@"serviceBrowser.services");

 }

 #pragma mark -

 #pragma mark BLIPConnection support

 /* Opens a BLIP connection to the given address. */

 - (void)openConnection: (MYBonjourService*)service 

 {

     _connection = [[BLIPConnection alloc] initToBonjourService: service];

     if( _connection ) {

         _connection.delegate = self;

         [_connection open];

     } else

         NSBeep();

 }

 /* Closes the currently open BLIP connection. */

 - (void)closeConnection

 {

     [_connection close];

 }

 /** Called after the connection successfully opens. */

 - (void) connectionDidOpen: (TCPConnection*)connection {

     if (connection==_connection) {

         [inputField setEnabled: YES];

         [responseField setEnabled: YES];

         [inputField.window makeFirstResponder: inputField];

     }

 }

 /** Called after the connection fails to open due to an error. */

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

     [serverTableView.window presentError: error];

 }

 /** Called after the connection closes. */

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

     if (connection==_connection) {

         if (connection.error)

             [serverTableView.window presentError: connection.error];

         [_connection release];

         _connection = nil;

         [inputField setEnabled: NO];

         [responseField setEnabled: NO];

     }

 }

 #pragma mark -

 #pragma mark GUI action methods

 - (IBAction)serverClicked:(id)sender {

     NSTableView * table = (NSTableView *)sender;

     int selectedRow = [table selectedRow];

     [self closeConnection];

     if (-1 != selectedRow)

         [self openConnection: [self.serviceList objectAtIndex:selectedRow]];

 }

 /* Send a BLIP request containing the string in the textfield */

 - (IBAction)sendText:(id)sender 

 {

     BLIPRequest *r = [_connection request];

     r.bodyString = [sender stringValue];

     BLIPResponse *response = [r send];

     if (response) {

         response.onComplete = $target(self,gotResponse:);

         [inputField setStringValue: @""];

     } else

         NSBeep();

 }

 /* Receive the response to the BLIP request, and put its contents into the response field */

 - (void) gotResponse: (BLIPResponse*)response

 {

     [responseField setObjectValue: response.bodyString];

 }    

 @end

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

 {

     //RunTestCases(argc,(const char**)argv);

     return NSApplicationMain(argc,  (const char **) argv);

 }