Data commit

Task/Sockets/Objective-C/sockets.m

@@ -0,0 +1,20 @@
+// declare the class to conform to NSStreamDelegate protocol
+
+// in some method
+NSOutputStream *oStream;
+[NSStream getStreamsToHost:[NSHost hostWithName:@"localhost"] port:256 inputStream:NULL outputStream:&oStream];
+[oStream setDelegate:self];
+[oStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
+[oStream open];
+
+
+// later, in the same class:
+- (void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)streamEvent {
+    NSOutputStream *oStream = (NSOutputStream *)aStream;
+    if (streamEvent == NSStreamEventHasBytesAvailable) {
+        NSString *str = @"hello socket world";
+        const char *rawstring = [str UTF8String];
+        [oStream write:rawstring maxLength:strlen(rawstring)];
+        [oStream close];
+    }
+}