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 "NetworkObject.h"
  17 #import <ITFoundation/ITDebug.h>
  18 #import <ITFoundation/ITFoundation.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     [serverPass release];
  47     [clientPass release];
  48     [clientProxy release];
  49     [remoteServices release];
  50     [browser release];
  51     [service stop];
  52     [service release];
  53     [super dealloc];
  54 }
  55
  56 - (void)startRemoteServerSearch
  57 {
  58     [browser searchForServicesOfType:@"_mttp._tcp." inDomain:@""];
  59     [remoteServices release];
  60     remoteServices = [[NSMutableArray alloc] init];
  61 }
  62
  63 - (void)stopRemoteServerSearch
  64 {
  65     [browser stop];
  66 }
  67
  68 - (void)setServerStatus:(BOOL)status
  69 {
  70     if (!serverOn && status) {
  71         NSString *name = [[NSUserDefaults standardUserDefaults] stringForKey:@"sharedPlayerName"];
  72         unsigned char buffer;
  73         NSData *fullPass;
  74         //Turn on
  75         NS_DURING
  76             serverPort = [[NSSocketPort alloc] initWithTCPPort:SERVER_PORT];
  77             serverConnection = [[NSConnection alloc] initWithReceivePort:serverPort
  78                                                      sendPort:serverPort];
  79             [serverConnection setRootObject:[[NetworkObject alloc] init]];
  80             [serverConnection registerName:@"ITMTPlayerHost"];
  81             [serverConnection setDelegate:self];
  82         NS_HANDLER
  83             [serverConnection release];
  84             [serverPort release];
  85             ITDebugLog(@"Error starting server!");
  86         NS_ENDHANDLER
  87         ITDebugLog(@"Started server.");
  88         if (!name) {
  89             name = @"MenuTunes Shared Player";
  90         }
  91         service = [[NSNetService alloc] initWithDomain:@""
  92                                         type:@"_mttp._tcp."
  93                                         name:name
  94                                         port:SERVER_PORT];
  95         fullPass = [[NSUserDefaults standardUserDefaults] dataForKey:@"sharedPlayerPassword"];
  96         if (fullPass) {
  97             [fullPass getBytes:&buffer range:NSMakeRange(6, 4)];
  98             [serverPass release];
  99             serverPass = [[NSData alloc] initWithBytes:&buffer length:strlen(&buffer)];
 100         } else {
 101             serverPass = nil;
 102         }
 103         [service publish];
 104         serverOn = YES;
 105     } else if (serverOn && !status && [serverConnection isValid]) {
 106         //Turn off
 107         [service stop];
 108         [serverConnection registerName:nil];
 109         [[serverConnection rootObject] release];
 110         [serverPort invalidate];
 111         [serverConnection invalidate];
 112         [serverConnection release];
 113         ITDebugLog(@"Stopped server.");
 114         serverOn = NO;
 115     }
 116 }
 117
 118 - (BOOL)connectToHost:(NSString *)host
 119 {
 120     NSData *fullPass = [[NSUserDefaults standardUserDefaults] dataForKey:@"connectPassword"];
 121     unsigned char buffer;
 122     ITDebugLog(@"Connecting to host: %@", host);
 123     remoteHost = [host copy];
 124     if (fullPass) {
 125         [fullPass getBytes:&buffer range:NSMakeRange(6, 4)];
 126         [clientPass release];
 127         clientPass = [[NSData alloc] initWithBytes:&buffer length:strlen(&buffer)];
 128     } else {
 129         clientPass = nil;
 130     }
 131     NS_DURING
 132         clientPort = [[NSSocketPort alloc] initRemoteWithTCPPort:SERVER_PORT
 133                                            host:host];
 134         clientConnection = [[NSConnection connectionWithReceivePort:nil sendPort:clientPort] retain];
 135         [clientConnection setDelegate:self];
 136         [clientConnection setReplyTimeout:5];
 137         clientProxy = [[clientConnection rootProxy] retain];
 138     NS_HANDLER
 139         [clientConnection release];
 140         [clientPort release];
 141         ITDebugLog(@"Connection to host failed: %@", host);
 142         return NO;
 143     NS_ENDHANDLER
 144     ITDebugLog(@"Connected to host: %@", host);
 145     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(disconnect) name:NSConnectionDidDieNotification object:clientConnection];
 146     connectedToServer = YES;
 147     return YES;
 148 }
 149
 150 - (BOOL)disconnect
 151 {
 152     ITDebugLog(@"Disconnecting from host.");
 153     connectedToServer = NO;
 154     [remoteHost release];
 155     remoteHost = nil;
 156     [[NSNotificationCenter defaultCenter] removeObserver:self];
 157     [clientProxy release];
 158     [clientConnection invalidate];
 159     [clientConnection release];
 160     return YES;
 161 }
 162
 163 - (BOOL)checkForServerAtHost:(NSString *)host
 164 {
 165     NSData *fullPass = [[NSUserDefaults standardUserDefaults] dataForKey:@"connectPassword"];
 166     unsigned char buffer;
 167     NSConnection *testConnection;
 168     NSSocketPort *testPort;
 169     NetworkObject *tempProxy;
 170     ITDebugLog(@"Checking for shared remote at %@.", host);
 171     if (fullPass) {
 172         [fullPass getBytes:&buffer range:NSMakeRange(6, 4)];
 173         [clientPass release];
 174         clientPass = [[NSData alloc] initWithBytes:&buffer length:strlen(&buffer)];
 175     } else {
 176         clientPass = nil;
 177     }
 178
 179     NS_DURING
 180         testPort = [[NSSocketPort alloc] initRemoteWithTCPPort:SERVER_PORT
 181                                            host:host];
 182         testConnection = [[NSConnection connectionWithReceivePort:nil sendPort:testPort] retain];
 183         [testConnection setReplyTimeout:2];
 184         tempProxy = [testConnection rootProxy];
 185         [testConnection setDelegate:self];
 186         [tempProxy serverName];
 187     NS_HANDLER
 188         ITDebugLog(@"Connection to host failed: %@", host);
 189         [testConnection invalidate];
 190         [testConnection release];
 191         [testPort release];
 192         return NO;
 193     NS_ENDHANDLER
 194     [testConnection invalidate];
 195     [testConnection release];
 196     [testPort release];
 197     return YES;
 198 }
 199
 200 - (BOOL)isServerOn
 201 {
 202     return serverOn;
 203 }
 204
 205 - (BOOL)isClientConnected
 206 {
 207     return clientConnected;
 208 }
 209
 210 - (BOOL)isConnectedToServer
 211 {
 212     return connectedToServer;
 213 }
 214
 215 - (NSString *)remoteHost
 216 {
 217     return remoteHost;
 218 }
 219
 220 - (NetworkObject *)networkObject
 221 {
 222     return clientProxy;
 223 }
 224
 225 - (NSArray *)remoteServices
 226 {
 227     return remoteServices;
 228 }
 229
 230 /*- (BOOL)authenticateComponents:(NSArray*)components withData:(NSData *)authenticationData
 231 {
 232     return YES;
 233     if (![[NSUserDefaults standardUserDefaults] boolForKey:@"enableSharingPassword"] || [authenticationData isEqualToData:serverPass]) {
 234         return YES;
 235     } else {
 236         return NO;
 237     }
 238 }
 239
 240 - (NSData *)authenticationDataForComponents:(NSArray *)components
 241 {
 242     return clientPass;
 243 }*/
 244
 245 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing
 246 {
 247     ITDebugLog(@"Found service named %@.", [aNetService name]);
 248     [remoteServices addObject:aNetService];
 249     [aNetService setDelegate:self];
 250     [aNetService resolve];
 251     if (!moreComing) {
 252         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 253     }
 254 }
 255
 256 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didRemoveService:(NSNetService*)aNetService moreComing:(BOOL)moreComing
 257 {
 258     ITDebugLog(@"Removed service named %@.", [aNetService name]);
 259     [remoteServices removeObject:aNetService];
 260     if (!moreComing) {
 261         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 262     }
 263 }
 264
 265 - (void)netServiceDidResolveAddress:(NSNetService *)sender
 266 {
 267     ITDebugLog(@"Resolved service named %@.", [sender name]);
 268     NSLog(@"Resolved service named %@.", [sender name]);
 269     [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 270     [sender stop];
 271 }
 272
 273 - (void)netServiceWillResolve:(NSNetService *)sender
 274 {
 275     ITDebugLog(@"Resolving service named %@.", [sender name]);
 276 }
 277
 278 - (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict
 279 {
 280     ITDebugLog(@"Error resolving service %@.", errorDict);
 281 }
 282
 283 @end