BLIP/Demo/BLIPEchoClient.m
author Dan Preston <danpreston@codechemistry.com>
Tue May 05 15:10:15 2009 -0700 (2009-05-05)
changeset 37 7c7d5a0cb4d6
parent 7 5936db2c1987
child 42 c1cf9df64c70
permissions -rw-r--r--
Fixed the leak of SecIdentityRef objects in a while loop.
jens@3
     1
//
jens@3
     2
//  BLIPEchoClient.m
jens@3
     3
//  MYNetwork
jens@3
     4
//
jens@3
     5
//  Created by Jens Alfke on 5/24/08.
jens@3
     6
//  Copyright 2008 Jens Alfke. All rights reserved.
jens@4
     7
//  Adapted from Apple sample code "CocoaEcho":
jens@4
     8
//  http://developer.apple.com/samplecode/CocoaEcho/index.html
jens@3
     9
//
jens@3
    10
jens@3
    11
#import "BLIPEchoClient.h"
jens@26
    12
#import "MYBonjourBrowser.h"
jens@26
    13
#import "MYBonjourService.h"
jens@26
    14
#import "CollectionUtils.h"
jens@26
    15
#import "MYNetwork.h"
jens@3
    16
#import "Target.h"
jens@3
    17
jens@3
    18
jens@3
    19
@implementation BLIPEchoClient
jens@3
    20
jens@3
    21
jens@3
    22
- (void)awakeFromNib 
jens@3
    23
{
jens@26
    24
    [self.serviceBrowser start];
jens@3
    25
}
jens@3
    26
jens@26
    27
- (MYBonjourBrowser*) serviceBrowser {
jens@26
    28
    if (!_serviceBrowser)
jens@26
    29
        _serviceBrowser = [[MYBonjourBrowser alloc] initWithServiceType: @"_blipecho._tcp."];
jens@26
    30
    return _serviceBrowser;
jens@3
    31
}
jens@3
    32
jens@26
    33
- (NSArray*) serviceList {
jens@26
    34
    return [_serviceBrowser.services.allObjects sortedArrayUsingSelector: @selector(compare:)];
jens@3
    35
}
jens@3
    36
jens@26
    37
+ (NSArray*) keyPathsForValuesAffectingServiceList {
jens@26
    38
    return $array(@"serviceBrowser.services");
jens@26
    39
}
jens@26
    40
jens@26
    41
jens@3
    42
#pragma mark -
jens@7
    43
#pragma mark BLIPConnection support
jens@3
    44
jens@7
    45
/* Opens a BLIP connection to the given address. */
jens@7
    46
- (void)openConnection: (NSNetService*)service 
jens@3
    47
{
jens@7
    48
    _connection = [[BLIPConnection alloc] initToNetService: service];
jens@26
    49
    if( _connection ) {
jens@26
    50
        _connection.delegate = self;
jens@7
    51
        [_connection open];
jens@26
    52
    } else
jens@7
    53
        NSBeep();
jens@3
    54
}
jens@3
    55
jens@7
    56
/* Closes the currently open BLIP connection. */
jens@7
    57
- (void)closeConnection
jens@3
    58
{
jens@7
    59
    [_connection close];
jens@3
    60
}
jens@3
    61
jens@26
    62
/** Called after the connection successfully opens. */
jens@26
    63
- (void) connectionDidOpen: (TCPConnection*)connection {
jens@26
    64
    if (connection==_connection) {
jens@26
    65
        [inputField setEnabled: YES];
jens@26
    66
        [responseField setEnabled: YES];
jens@26
    67
        [inputField.window makeFirstResponder: inputField];
jens@26
    68
    }
jens@26
    69
}
jens@26
    70
jens@26
    71
/** Called after the connection fails to open due to an error. */
jens@26
    72
- (void) connection: (TCPConnection*)connection failedToOpen: (NSError*)error {
jens@26
    73
    [serverTableView.window presentError: error];
jens@26
    74
}
jens@26
    75
jens@26
    76
/** Called after the connection closes. */
jens@26
    77
- (void) connectionDidClose: (TCPConnection*)connection {
jens@26
    78
    if (connection==_connection) {
jens@26
    79
        if (connection.error)
jens@26
    80
            [serverTableView.window presentError: connection.error];
jens@26
    81
        [_connection release];
jens@26
    82
        _connection = nil;
jens@26
    83
        [inputField setEnabled: NO];
jens@26
    84
        [responseField setEnabled: NO];
jens@26
    85
    }
jens@26
    86
}
jens@26
    87
jens@26
    88
jens@3
    89
#pragma mark -
jens@3
    90
#pragma mark GUI action methods
jens@3
    91
jens@3
    92
- (IBAction)serverClicked:(id)sender {
jens@3
    93
    NSTableView * table = (NSTableView *)sender;
jens@3
    94
    int selectedRow = [table selectedRow];
jens@3
    95
    
jens@3
    96
    [self closeConnection];
jens@7
    97
    if (-1 != selectedRow)
jens@26
    98
        [self openConnection: [[self.serviceList objectAtIndex:selectedRow] netService]];
jens@3
    99
}
jens@3
   100
jens@4
   101
/* Send a BLIP request containing the string in the textfield */
jens@3
   102
- (IBAction)sendText:(id)sender 
jens@3
   103
{
jens@7
   104
    BLIPRequest *r = [_connection request];
jens@3
   105
    r.bodyString = [sender stringValue];
jens@3
   106
    BLIPResponse *response = [r send];
jens@26
   107
    if (response) {
jens@26
   108
        response.onComplete = $target(self,gotResponse:);
jens@26
   109
        [inputField setStringValue: @""];
jens@26
   110
    } else
jens@26
   111
        NSBeep();
jens@3
   112
}
jens@3
   113
jens@4
   114
/* Receive the response to the BLIP request, and put its contents into the response field */
jens@3
   115
- (void) gotResponse: (BLIPResponse*)response
jens@3
   116
{
jens@3
   117
    [responseField setObjectValue: response.bodyString];
jens@3
   118
}    
jens@3
   119
jens@3
   120
jens@3
   121
@end
jens@3
   122
jens@3
   123
int main(int argc, char *argv[])
jens@3
   124
{
jens@26
   125
    //RunTestCases(argc,(const char**)argv);
jens@3
   126
    return NSApplicationMain(argc,  (const char **) argv);
jens@3
   127
}