Strictly speaking – you have no choice but calling either hostname(1) or – on Unix gethostname(2). This is the name of your computer. Any attempt to determine the hostname by an IP address like this InetAddress.getLocalHost().getHostName() is bound to fail in some circumstances: The IP address might not resolve into any name. Bad DNS setup, … Read more
You can call close() from another thread, and the accept() call will throw a SocketException.
I am not sure if you can grab that IP from code that runs on the local machine. You can however build code that runs on a website, say in JSP, and then use something that returns the IP of where the request came from: request.getRemoteAddr() Or simply use already-existing services that do this, then … Read more
According to several SO threads (e.g. What exactly means iOS networking interface name? what’s pdp_ip ? what’s ap?), the WiFi interface on an iOS device always has then name “en0”. Your code (which seems to be what I answered at How to get Ip address in swift 🙂 retrieves a list of the IP addresses … Read more
Client side Hixie-75: Chrome 4.0 + 5.0 Safari 5.0.0 HyBi-00/Hixie-76: Chrome 6.0 – 13.0 Safari 5.0.2 + 5.1 iOS 4.2 + iOS 5 Firefox 4.0 – support for WebSockets disabled. To enable it see here. Opera 11 – with support disabled. To enable it see here. HyBi-07+: Chrome 14.0 Firefox 6.0 – prefixed: MozWebSocket IE … Read more
See this pure Python ping by Matthew Dixon Cowles and Jens Diemer. Also, remember that Python requires root to spawn ICMP (i.e. ping) sockets in linux. import ping, socket try: ping.verbose_ping(‘www.google.com’, count=3) delay = ping.Ping(‘www.wikipedia.org’, timeout=2000).do() except socket.error, e: print “Ping Error:”, e The source code itself is easy to read, see the implementations of … Read more