NetworkController.m

   1 /*
   2  *      MenuTunes
   3  *  NetworkController
   4  *    Rendezvous network controller
   5  *
   6  *  Original Author : Kent Sutherland <ksuther@ithinksw.com>
   7  *   Responsibility : Kent Sutherland <ksuther@ithinksw.com>
   8  *
   9  *  Copyright (c) 2003 iThink Software.
  10  *  All Rights Reserved
  11  *
  12  */
  13
  14 #import "NetworkController.h"
  15 #import "MainController.h"
  16 #import <ITFoundation/ITDebug.h>
  17 #import <ITFoundation/ITFoundation.h>
  18 #import <ITMTRemote/ITMTRemote.h>
  19
  20 static NetworkController *sharedController;
  21
  22 @implementation NetworkController
  23
  24 + (NetworkController *)sharedController
  25 {
  26     return sharedController;
  27 }
  28
  29 - (id)init
  30 {
  31     if ( (self = [super init]) ) {
  32         sharedController = self;
  33         browser = [[NSNetServiceBrowser alloc] init];
  34         [browser setDelegate:self];
  35     }
  36     return self;
  37 }
  38
  39 - (void)dealloc
  40 {
  41     [self disconnect];
  42     if (serverOn) {
  43         [serverConnection invalidate];
  44         [serverConnection release];
  45     }
  46     [clientProxy release];
  47     [remoteServices release];
  48     [browser release];
  49     [service stop];
  50     [service release];
  51     [super dealloc];
  52 }
  53
  54 - (void)startRemoteServerSearch
  55 {
  56     [browser searchForServicesOfType:@"_mttp._tcp." inDomain:@""];
  57     [remoteServices release];
  58     remoteServices = [[NSMutableArray alloc] init];
  59 }
  60
  61 - (void)stopRemoteServerSearch
  62 {
  63     [browser stop];
  64 }
  65
  66 - (void)setServerStatus:(BOOL)status
  67 {
  68     if (!serverOn && status) {
  69         NSString *name = [[NSUserDefaults standardUserDefaults] stringForKey:@"sharedPlayerName"];
  70         //Turn on
  71         NS_DURING
  72             serverPort = [[NSSocketPort alloc] initWithTCPPort:SERVER_PORT];
  73             serverConnection = [[NSConnection alloc] initWithReceivePort:serverPort
  74                                                      sendPort:serverPort];
  75             [serverConnection setRootObject:[[MainController sharedController] currentRemote]];
  76             [serverConnection registerName:@"ITMTPlayerHost"];
  77             [serverConnection setDelegate:self];
  78         NS_HANDLER
  79             ITDebugLog(@"Error starting server!");
  80         NS_ENDHANDLER
  81         ITDebugLog(@"Started server.");
  82         if (!name) {
  83             name = @"MenuTunes Shared Player";
  84         }
  85         service = [[NSNetService alloc] initWithDomain:@""
  86                                         type:@"_mttp._tcp."
  87                                         name:name
  88                                         port:SERVER_PORT];
  89         [service publish];
  90         serverOn = YES;
  91     } else if (serverOn && !status && [serverConnection isValid]) {
  92         //Turn off
  93         [service stop];
  94         [serverConnection registerName:nil];
  95         [serverPort invalidate];
  96         [serverConnection invalidate];
  97         [serverConnection release];
  98         ITDebugLog(@"Stopped server.");
  99         serverOn = NO;
 100     }
 101 }
 102
 103 - (BOOL)connectToHost:(NSString *)host
 104 {
 105     ITDebugLog(@"Connecting to host: %@", host);
 106     NS_DURING
 107         clientPort = [[NSSocketPort alloc] initRemoteWithTCPPort:SERVER_PORT
 108                                            host:host];
 109         clientConnection = [[NSConnection connectionWithReceivePort:nil sendPort:clientPort] retain];
 110         clientProxy = [[clientConnection rootProxy] retain];
 111     NS_HANDLER
 112         ITDebugLog(@"Connection to host failed: %@", host);
 113         return NO;
 114     NS_ENDHANDLER
 115     [clientConnection setReplyTimeout:5];
 116     ITDebugLog(@"Connected to host: %@", host);
 117     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(disconnect) name:NSConnectionDidDieNotification object:clientConnection];
 118     connectedToServer = YES;
 119     return YES;
 120 }
 121
 122 - (BOOL)disconnect
 123 {
 124     ITDebugLog(@"Disconnecting from host.");
 125     connectedToServer = NO;
 126     [[NSNotificationCenter defaultCenter] removeObserver:self];
 127     [clientProxy release];
 128     [clientConnection invalidate];
 129     [clientConnection release];
 130     return YES;
 131 }
 132
 133 - (BOOL)isServerOn
 134 {
 135     return serverOn;
 136 }
 137
 138 - (BOOL)isClientConnected
 139 {
 140     return clientConnected;
 141 }
 142
 143 - (BOOL)isConnectedToServer
 144 {
 145     return connectedToServer;
 146 }
 147
 148 - (ITMTRemote *)sharedRemote
 149 {
 150     return (ITMTRemote *)clientProxy;
 151 }
 152
 153 - (NSArray *)remoteServices
 154 {
 155     return remoteServices;
 156 }
 157
 158 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing
 159 {
 160     ITDebugLog(@"Found service named %@.", [aNetService name]);
 161     [remoteServices addObject:aNetService];
 162     [aNetService setDelegate:self];
 163     [aNetService resolve];
 164     if (!moreComing) {
 165         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 166     }
 167 }
 168
 169 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didRemoveService:(NSNetService*)aNetService moreComing:(BOOL)moreComing
 170 {
 171     ITDebugLog(@"Removed service named %@.", [aNetService name]);
 172     [remoteServices removeObject:aNetService];
 173     if (!moreComing) {
 174         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 175     }
 176 }
 177
 178 - (void)netServiceDidResolveAddress:(NSNetService *)sender
 179 {
 180     ITDebugLog(@"Resolved service named %@.", [sender name]);
 181     NSLog(@"Resolved service named %@.", [sender name]);
 182     [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 183 }
 184
 185 - (void)netServiceWillResolve:(NSNetService *)sender
 186 {
 187     ITDebugLog(@"Resolving service named %@.", [sender name]);
 188 }
 189
 190 - (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict
 191 {
 192     ITDebugLog(@"Error resolving service %@.", errorDict);
 193 }
 194
 195 @end