BLIP/Demo/BLIPEchoClient.m
author Jens Alfke <jens@mooseyard.com>
Mon Jul 20 14:50:49 2009 -0700 (2009-07-20)
changeset 60 dd637bdd214e
parent 26 cb9cdf247239
permissions -rw-r--r--
DNS NULL record support in MYBonjourRegistration. Minor fix to IPAddress init. Force 4-char indent in source files.
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//
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//  BLIPEchoClient.m
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//  MYNetwork
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//
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//  Created by Jens Alfke on 5/24/08.
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//  Copyright 2008 Jens Alfke. All rights reserved.
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//  Adapted from Apple sample code "CocoaEcho":
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//  http://developer.apple.com/samplecode/CocoaEcho/index.html
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//
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#import "BLIPEchoClient.h"
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#import "MYBonjourBrowser.h"
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#import "MYBonjourService.h"
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#import "CollectionUtils.h"
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#import "MYNetwork.h"
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#import "Target.h"
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@implementation BLIPEchoClient
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- (void)awakeFromNib 
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{
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    [self.serviceBrowser start];
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}
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- (MYBonjourBrowser*) serviceBrowser {
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    if (!_serviceBrowser)
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        _serviceBrowser = [[MYBonjourBrowser alloc] initWithServiceType: @"_blipecho._tcp."];
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    return _serviceBrowser;
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}
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- (NSArray*) serviceList {
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    return [_serviceBrowser.services.allObjects sortedArrayUsingSelector: @selector(compare:)];
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}
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+ (NSArray*) keyPathsForValuesAffectingServiceList {
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    return $array(@"serviceBrowser.services");
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}
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#pragma mark -
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#pragma mark BLIPConnection support
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/* Opens a BLIP connection to the given address. */
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- (void)openConnection: (MYBonjourService*)service 
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{
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    _connection = [[BLIPConnection alloc] initToBonjourService: service];
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    if( _connection ) {
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        _connection.delegate = self;
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        [_connection open];
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    } else
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        NSBeep();
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}
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/* Closes the currently open BLIP connection. */
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- (void)closeConnection
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{
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    [_connection close];
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}
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/** Called after the connection successfully opens. */
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- (void) connectionDidOpen: (TCPConnection*)connection {
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    if (connection==_connection) {
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        [inputField setEnabled: YES];
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        [responseField setEnabled: YES];
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        [inputField.window makeFirstResponder: inputField];
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    }
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}
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/** Called after the connection fails to open due to an error. */
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- (void) connection: (TCPConnection*)connection failedToOpen: (NSError*)error {
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    [serverTableView.window presentError: error];
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}
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/** Called after the connection closes. */
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- (void) connectionDidClose: (TCPConnection*)connection {
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    if (connection==_connection) {
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        if (connection.error)
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            [serverTableView.window presentError: connection.error];
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        [_connection release];
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        _connection = nil;
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        [inputField setEnabled: NO];
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        [responseField setEnabled: NO];
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    }
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}
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#pragma mark -
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#pragma mark GUI action methods
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- (IBAction)serverClicked:(id)sender {
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    NSTableView * table = (NSTableView *)sender;
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    int selectedRow = [table selectedRow];
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    [self closeConnection];
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    if (-1 != selectedRow)
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        [self openConnection: [self.serviceList objectAtIndex:selectedRow]];
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}
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/* Send a BLIP request containing the string in the textfield */
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- (IBAction)sendText:(id)sender 
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{
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    BLIPRequest *r = [_connection request];
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    r.bodyString = [sender stringValue];
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    BLIPResponse *response = [r send];
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    if (response) {
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        response.onComplete = $target(self,gotResponse:);
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        [inputField setStringValue: @""];
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    } else
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        NSBeep();
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}
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/* Receive the response to the BLIP request, and put its contents into the response field */
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- (void) gotResponse: (BLIPResponse*)response
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{
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    [responseField setObjectValue: response.bodyString];
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}    
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@end
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int main(int argc, char *argv[])
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{
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    //RunTestCases(argc,(const char**)argv);
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    return NSApplicationMain(argc,  (const char **) argv);
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}