MYNetwork: BLIP/Demo/BLIPEchoClient.m@cb9cdf247239

     1 //

     2 //  BLIPEchoClient.m

     3 //  MYNetwork

     4 //

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

     6 //  Copyright 2008 Jens Alfke. All rights reserved.

     7 //  Adapted from Apple sample code "CocoaEcho":

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

     9 //

    11 #import "BLIPEchoClient.h"

    12 #import "MYBonjourBrowser.h"

    13 #import "MYBonjourService.h"

    14 #import "CollectionUtils.h"

    15 #import "MYNetwork.h"

    16 #import "Target.h"

    19 @implementation BLIPEchoClient

    22 - (void)awakeFromNib

    23 {

    24     [self.serviceBrowser start];

    25 }

    27 - (MYBonjourBrowser*) serviceBrowser {

    28     if (!_serviceBrowser)

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

    30     return _serviceBrowser;

    31 }

    33 - (NSArray*) serviceList {

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

    35 }

    37 + (NSArray*) keyPathsForValuesAffectingServiceList {

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

    39 }

    42 #pragma mark -

    43 #pragma mark BLIPConnection support

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

    46 - (void)openConnection: (NSNetService*)service

    47 {

    48     _connection = [[BLIPConnection alloc] initToNetService: service];

    49     if( _connection ) {

    50         _connection.delegate = self;

    51         [_connection open];

    52     } else

    53         NSBeep();

    54 }

    56 /* Closes the currently open BLIP connection. */

    57 - (void)closeConnection

    58 {

    59     [_connection close];

    60 }

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

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

    64     if (connection==_connection) {

    65         [inputField setEnabled: YES];

    66         [responseField setEnabled: YES];

    67         [inputField.window makeFirstResponder: inputField];

    68     }

    69 }

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

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

    73     [serverTableView.window presentError: error];

    74 }

    76 /** Called after the connection closes. */

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

    78     if (connection==_connection) {

    79         if (connection.error)

    80             [serverTableView.window presentError: connection.error];

    81         [_connection release];

    82         _connection = nil;

    83         [inputField setEnabled: NO];

    84         [responseField setEnabled: NO];

    85     }

    86 }

    89 #pragma mark -

    90 #pragma mark GUI action methods

    92 - (IBAction)serverClicked:(id)sender {

    93     NSTableView * table = (NSTableView *)sender;

    94     int selectedRow = [table selectedRow];

    96     [self closeConnection];

    97     if (-1 != selectedRow)

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

    99 }

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

   102 - (IBAction)sendText:(id)sender

   103 {

   104     BLIPRequest *r = [_connection request];

   105     r.bodyString = [sender stringValue];

   106     BLIPResponse *response = [r send];

   107     if (response) {

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

   109         [inputField setStringValue: @""];

   110     } else

   111         NSBeep();

   112 }

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

   115 - (void) gotResponse: (BLIPResponse*)response

   116 {

   117     [responseField setObjectValue: response.bodyString];

   118 }

   121 @end

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

   124 {

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

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

   127 }

author	Jens Alfke <jens@mooseyard.com>
	Wed Apr 22 16:45:39 2009 -0700 (2009-04-22)
changeset 26	cb9cdf247239
parent 7	5936db2c1987
child 42	c1cf9df64c70
permissions	-rw-r--r--