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 release];
  44     }
  45     [serverPass release];
  46     [clientPass release];
  47     [clientProxy release];
  48     [remoteServices release];
  49     [browser release];
  50     [service stop];
  51     [service release];
  52     [super dealloc];
  53 }
  54
  55 - (void)startRemoteServerSearch
  56 {
  57     [browser searchForServicesOfType:@"_mttp._tcp." inDomain:@""];
  58     [remoteServices release];
  59     remoteServices = [[NSMutableArray alloc] init];
  60 }
  61
  62 - (void)stopRemoteServerSearch
  63 {
  64     [browser stop];
  65 }
  66
  67 - (void)setServerStatus:(BOOL)status
  68 {
  69     if (!serverOn && status) {
  70         NSString *name = [[NSUserDefaults standardUserDefaults] stringForKey:@"sharedPlayerName"];
  71         unsigned char buffer;
  72         NSData *fullPass;
  73         //Turn on
  74         NS_DURING
  75             serverPort = [[NSSocketPort alloc] initWithTCPPort:SERVER_PORT];
  76             serverConnection = [[NSConnection alloc] initWithReceivePort:serverPort
  77                                                      sendPort:serverPort];
  78             [serverConnection setRootObject:[[NetworkObject alloc] init]];
  79             [serverConnection registerName:@"ITMTPlayerHost"];
  80         NS_HANDLER
  81             [[serverConnection rootObject] release];
  82             [serverConnection release];
  83             [serverPort release];
  84             ITDebugLog(@"Error starting server!");
  85         NS_ENDHANDLER
  86         ITDebugLog(@"Started server.");
  87         if (!name) {
  88             name = @"MenuTunes Shared Player";
  89         }
  90         service = [[NSNetService alloc] initWithDomain:@""
  91                                         type:@"_mttp._tcp."
  92                                         name:name
  93                                         port:SERVER_PORT];
  94         fullPass = [[NSUserDefaults standardUserDefaults] dataForKey:@"sharedPlayerPassword"];
  95         if (fullPass) {
  96             [fullPass getBytes:&buffer range:NSMakeRange(6, 4)];
  97             [serverPass release];
  98             serverPass = [[NSData alloc] initWithBytes:&buffer length:strlen(&buffer)];
  99         } else {
 100             serverPass = nil;
 101         }
 102         [service publish];
 103         serverOn = YES;
 104     } else if (serverOn && !status && [serverConnection isValid]) {
 105         //Turn off
 106         [service stop];
 107         [serverConnection registerName:nil];
 108         [[serverConnection rootObject] release];
 109         [serverConnection release];
 110         ITDebugLog(@"Stopped server.");
 111         serverOn = NO;
 112     }
 113 }
 114
 115 - (int)connectToHost:(NSString *)host
 116 {
 117     NSData *fullPass = [[NSUserDefaults standardUserDefaults] dataForKey:@"connectPassword"];
 118     unsigned char buffer;
 119     ITDebugLog(@"Connecting to host: %@", host);
 120     [remoteHost release];
 121     remoteHost = [host copy];
 122     if (fullPass) {
 123         [fullPass getBytes:&buffer range:NSMakeRange(6, 4)];
 124         [clientPass release];
 125         clientPass = [[NSData alloc] initWithBytes:&buffer length:strlen(&buffer)];
 126     } else {
 127         clientPass = nil;
 128     }
 129     NS_DURING
 130         clientPort = [[NSSocketPort alloc] initRemoteWithTCPPort:SERVER_PORT
 131                                            host:host];
 132         clientConnection = [[NSConnection connectionWithReceivePort:nil sendPort:clientPort] retain];
 133         [clientConnection setReplyTimeout:5];
 134         clientProxy = [[clientConnection rootProxy] retain];
 135     NS_HANDLER
 136         [clientConnection release];
 137         [clientPort release];
 138         ITDebugLog(@"Connection to host failed: %@", host);
 139         return NO;
 140     NS_ENDHANDLER
 141
 142     if (!clientProxy) {
 143         ITDebugLog(@"Null proxy! Couldn't connect!");
 144         [self disconnect];
 145         return NO;
 146     }
 147
 148     if ([clientProxy requiresPassword]) {
 149         ITDebugLog(@"Sending password.");
 150         if (![clientProxy sendPassword:[[NSUserDefaults standardUserDefaults] dataForKey:@"connectPassword"]]) {
 151             ITDebugLog(@"Invalid password!");
 152             [self disconnect];
 153             return -1;
 154         }
 155     }
 156
 157     ITDebugLog(@"Connected to host: %@", host);
 158     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(disconnect) name:NSConnectionDidDieNotification object:clientConnection];
 159     connectedToServer = 1;
 160     return 1;
 161 }
 162
 163 - (BOOL)disconnect
 164 {
 165     ITDebugLog(@"Disconnecting from host.");
 166     connectedToServer = NO;
 167     [remoteHost release];
 168     remoteHost = nil;
 169     [[NSNotificationCenter defaultCenter] removeObserver:self];
 170     [clientProxy release];
 171     [clientConnection release];
 172     return YES;
 173 }
 174
 175 - (BOOL)checkForServerAtHost:(NSString *)host
 176 {
 177     NSData *fullPass = [[NSUserDefaults standardUserDefaults] dataForKey:@"connectPassword"];
 178     unsigned char buffer;
 179     NSConnection *testConnection;
 180     NSSocketPort *testPort;
 181     NetworkObject *tempProxy;
 182     ITDebugLog(@"Checking for shared remote at %@.", host);
 183     if (fullPass) {
 184         [fullPass getBytes:&buffer range:NSMakeRange(6, 4)];
 185         [clientPass release];
 186         clientPass = [[NSData alloc] initWithBytes:&buffer length:strlen(&buffer)];
 187     } else {
 188         clientPass = nil;
 189     }
 190
 191     NS_DURING
 192         testPort = [[NSSocketPort alloc] initRemoteWithTCPPort:SERVER_PORT
 193                                          host:host];
 194         testConnection = [[NSConnection connectionWithReceivePort:nil sendPort:testPort] retain];
 195         [testConnection setReplyTimeout:2];
 196         tempProxy = (NetworkObject *)[testConnection rootProxy];
 197         [tempProxy serverName];
 198     NS_HANDLER
 199         ITDebugLog(@"Connection to host failed: %@", host);
 200         [testConnection release];
 201         [testPort release];
 202         return NO;
 203     NS_ENDHANDLER
 204
 205     if (!clientProxy) {
 206         ITDebugLog(@"Null proxy! Couldn't connect!");
 207         [testConnection release];
 208         [testPort release];
 209         return NO;
 210     }
 211     [testConnection release];
 212     [testPort release];
 213     return YES;
 214 }
 215
 216 - (BOOL)isServerOn
 217 {
 218     return serverOn;
 219 }
 220
 221 - (BOOL)isClientConnected
 222 {
 223     return clientConnected;
 224 }
 225
 226 - (BOOL)isConnectedToServer
 227 {
 228     return connectedToServer;
 229 }
 230
 231 - (NSString *)remoteHost
 232 {
 233     return remoteHost;
 234 }
 235
 236 - (NetworkObject *)networkObject
 237 {
 238     return clientProxy;
 239 }
 240
 241 - (NSArray *)remoteServices
 242 {
 243     return remoteServices;
 244 }
 245
 246 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing
 247 {
 248     ITDebugLog(@"Found service named %@.", [aNetService name]);
 249     [remoteServices addObject:aNetService];
 250     [aNetService setDelegate:self];
 251     [aNetService resolve];
 252     if (!moreComing) {
 253         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 254     }
 255 }
 256
 257 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didRemoveService:(NSNetService*)aNetService moreComing:(BOOL)moreComing
 258 {
 259     ITDebugLog(@"Removed service named %@.", [aNetService name]);
 260     [remoteServices removeObject:aNetService];
 261     if (!moreComing) {
 262         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 263     }
 264 }
 265
 266 - (void)netServiceDidResolveAddress:(NSNetService *)sender
 267 {
 268     ITDebugLog(@"Resolved service named %@.", [sender name]);
 269     NSLog(@"Resolved service named %@.", [sender name]);
 270     [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 271     [sender stop];
 272 }
 273
 274 - (void)netServiceWillResolve:(NSNetService *)sender
 275 {
 276     ITDebugLog(@"Resolving service named %@.", [sender name]);
 277 }
 278
 279 - (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict
 280 {
 281     ITDebugLog(@"Error resolving service %@.", errorDict);
 282 }
 283
 284 @end