MYNetwork: BLIP/Demo/BLIPEchoClient.m@02224e981209

     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 "BLIP.h"

    13 #import "Target.h"

    16 @implementation BLIPEchoClient

    18 @synthesize serviceList=_serviceList;

    20 - (void)awakeFromNib

    21 {

    22     _serviceBrowser = [[NSNetServiceBrowser alloc] init];

    23     _serviceList = [[NSMutableArray alloc] init];

    24     [_serviceBrowser setDelegate:self];

    26     [_serviceBrowser searchForServicesOfType:@"_blipecho._tcp." inDomain:@""];

    27 }

    29 #pragma mark -

    30 #pragma mark NSNetServiceBrowser delegate methods

    32 // We broadcast the willChangeValueForKey: and didChangeValueForKey: for the NSTableView binding to work.

    34 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing {

    35     if (![_serviceList containsObject:aNetService]) {

    36         [self willChangeValueForKey:@"serviceList"];

    37         [_serviceList addObject:aNetService];

    38         [self didChangeValueForKey:@"serviceList"];

    39     }

    40 }

    42 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didRemoveService:(NSNetService *)aNetService moreComing:(BOOL)moreComing {

    43     if ([_serviceList containsObject:aNetService]) {

    44         [self willChangeValueForKey:@"serviceList"];

    45         [_serviceList removeObject:aNetService];

    46         [self didChangeValueForKey:@"serviceList"];

    47     }

    48 }

    50 #pragma mark -

    51 #pragma mark BLIPConnection support

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

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

    55 {

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

    57     if( _connection )

    58         [_connection open];

    59     else

    60         NSBeep();

    61 }

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

    64 - (void)closeConnection

    65 {

    66     [_connection close];

    67     [_connection release];

    68     _connection = nil;

    69 }

    71 #pragma mark -

    72 #pragma mark GUI action methods

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

    75     NSTableView * table = (NSTableView *)sender;

    76     int selectedRow = [table selectedRow];

    78     [self closeConnection];

    79     if (-1 != selectedRow)

    80         [self openConnection: [_serviceList objectAtIndex:selectedRow]];

    81 }

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

    84 - (IBAction)sendText:(id)sender

    85 {

    86     BLIPRequest *r = [_connection request];

    87     r.bodyString = [sender stringValue];

    88     BLIPResponse *response = [r send];

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

    90 }

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

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

    94 {

    95     [responseField setObjectValue: response.bodyString];

    96 }

    99 @end

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

   102 {

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

   104 }

author	Jens Alfke <jens@mooseyard.com>
	Sun Jul 13 10:52:48 2008 -0700 (2008-07-13)
changeset 20	02224e981209
parent 4	2bd9d60a2c46
child 26	cb9cdf247239
permissions	-rw-r--r--