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 "netinet/in.h"
  17 #import "arpa/inet.h"
  18 #import <ITFoundation/ITDebug.h>
  19 #import <ITFoundation/ITFoundation.h>
  20 #import <ITMTRemote/ITMTRemote.h>
  21
  22 static NetworkController *sharedController;
  23
  24 @implementation NetworkController
  25
  26 + (NetworkController *)sharedController
  27 {
  28     return sharedController;
  29 }
  30
  31 - (id)init
  32 {
  33     if ( (self = [super init]) ) {
  34         sharedController = self;
  35         browser = [[NSNetServiceBrowser alloc] init];
  36         [browser setDelegate:self];
  37     }
  38     return self;
  39 }
  40
  41 - (void)dealloc
  42 {
  43     [self disconnect];
  44     if (serverOn) {
  45         [serverConnection invalidate];
  46         [serverConnection release];
  47     }
  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         //Turn on
  73         NS_DURING
  74             serverPort = [[NSSocketPort alloc] initWithTCPPort:SERVER_PORT];
  75             serverConnection = [[NSConnection alloc] initWithReceivePort:serverPort
  76                                                      sendPort:serverPort];
  77             [serverConnection setRootObject:[[MainController sharedController] currentRemote]];
  78             [serverConnection registerName:@"ITMTPlayerHost"];
  79             [serverConnection setDelegate:self];
  80         NS_HANDLER
  81             ITDebugLog(@"Error starting server!");
  82         NS_ENDHANDLER
  83         ITDebugLog(@"Started server.");
  84         if (!name) {
  85             name = @"MenuTunes Shared Player";
  86         }
  87         service = [[NSNetService alloc] initWithDomain:@""
  88                                         type:@"_mttp._tcp."
  89                                         name:name
  90                                         port:SERVER_PORT];
  91         [service publish];
  92         serverOn = YES;
  93     } else if (serverOn && !status && [serverConnection isValid]) {
  94         //Turn off
  95         [service stop];
  96         [serverConnection registerName:nil];
  97         [serverPort invalidate];
  98         [serverConnection invalidate];
  99         [serverConnection release];
 100         ITDebugLog(@"Stopped server.");
 101         serverOn = NO;
 102     }
 103 }
 104
 105 - (BOOL)connectToHost:(NSString *)host
 106 {
 107     ITDebugLog(@"Connecting to host: %@", host);
 108     NS_DURING
 109         clientPort = [[NSSocketPort alloc] initRemoteWithTCPPort:SERVER_PORT
 110                                            host:host];
 111         clientConnection = [[NSConnection connectionWithReceivePort:nil sendPort:clientPort] retain];
 112         clientProxy = [[clientConnection rootProxy] retain];
 113     NS_HANDLER
 114         ITDebugLog(@"Connection to host failed: %@", host);
 115         return NO;
 116     NS_ENDHANDLER
 117     [clientConnection setReplyTimeout:5];
 118     ITDebugLog(@"Connected to host: %@", host);
 119     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(disconnect) name:NSConnectionDidDieNotification object:clientConnection];
 120     connectedToServer = YES;
 121     return YES;
 122 }
 123
 124 - (BOOL)disconnect
 125 {
 126     ITDebugLog(@"Disconnecting from host.");
 127     connectedToServer = NO;
 128     [[NSNotificationCenter defaultCenter] removeObserver:self];
 129     [clientProxy release];
 130     [clientConnection invalidate];
 131     [clientConnection release];
 132     return YES;
 133 }
 134
 135 - (BOOL)isServerOn
 136 {
 137     return serverOn;
 138 }
 139
 140 - (BOOL)isClientConnected
 141 {
 142     return clientConnected;
 143 }
 144
 145 - (BOOL)isConnectedToServer
 146 {
 147     return connectedToServer;
 148 }
 149
 150 - (ITMTRemote *)sharedRemote
 151 {
 152     return (ITMTRemote *)clientProxy;
 153 }
 154
 155 - (NSArray *)remoteServices
 156 {
 157     return remoteServices;
 158 }
 159
 160 - (void)netServiceBrowser:(NSNetServiceBrowser *)aNetServiceBrowser didFindService:(NSNetService *)aNetService moreComing:(BOOL)moreComing
 161 {
 162     [aNetService setDelegate:self];
 163     [aNetService resolve];
 164     ITDebugLog(@"Found service named %@.", [aNetService name]);
 165     if (!moreComing) {
 166         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 167     }
 168 }
 169
 170 - (void)netServiceDidResolveAddress:(NSNetService *)sender
 171 {
 172     [remoteServices addObject:[NSDictionary dictionaryWithObjectsAndKeys:[sender name], @"name",
 173                                                                          [NSString stringWithCString:inet_ntoa((*(struct sockaddr_in*)[[[sender addresses] objectAtIndex:0] bytes]).sin_addr)], @"ip",
 174                                                                          nil, nil]];
 175     ITDebugLog(@"Resolved service named %@.", [sender name]);
 176     NSLog(@"found!");
 177     [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTFoundNetService" object:nil];
 178 }
 179
 180 - (void)netServiceWillResolve:(NSNetService *)sender
 181 {
 182     ITDebugLog(@"Resolving service named %@.", [sender name]);
 183 }
 184
 185 - (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict
 186 {
 187     ITDebugLog(@"Error resolving service %@.", errorDict);
 188 }
 189
 190 @end