public static int getPortFrom(ThreadContext context, IRubyObject _port) {
int port;
if (_port instanceof RubyInteger) {
port = RubyNumeric.fix2int(_port);
} else {
IRubyObject portString = _port.convertToString();
IRubyObject portInteger = portString.convertToInteger("to_i");
port = RubyNumeric.fix2int(portInteger);
if (port <= 0) {
port =
RubyNumeric.fix2int(
RubySocket.getservbyname(
context, context.runtime.getObject(), new IRubyObject[] {portString}));
}
}
return port;
}
@JRubyMethod(
name = "initialize",
required = 1,
optional = 1,
visibility = Visibility.PRIVATE,
backtrace = true)
public IRubyObject initialize(ThreadContext context, IRubyObject[] args) {
IRubyObject hostname = args[0];
IRubyObject port = args.length > 1 ? args[1] : context.getRuntime().getNil();
if (hostname.isNil()
|| ((hostname instanceof RubyString) && ((RubyString) hostname).isEmpty())) {
hostname = context.getRuntime().newString("0.0.0.0");
} else if (hostname instanceof RubyFixnum) {
// numeric host, use it for port
port = hostname;
hostname = context.getRuntime().newString("0.0.0.0");
}
String shost = hostname.convertToString().toString();
try {
InetAddress addr = InetAddress.getByName(shost);
ssc = ServerSocketChannel.open();
int portInt;
if (port instanceof RubyInteger) {
portInt = RubyNumeric.fix2int(port);
} else {
IRubyObject portString = port.convertToString();
IRubyObject portInteger = portString.convertToInteger("to_i");
portInt = RubyNumeric.fix2int(portInteger);
if (portInt <= 0) {
portInt =
RubyNumeric.fix2int(
RubySocket.getservbyname(
context, context.getRuntime().getObject(), new IRubyObject[] {portString}));
}
}
socket_address = new InetSocketAddress(addr, portInt);
ssc.socket().bind(socket_address);
initSocket(context.getRuntime(), new ChannelDescriptor(ssc, new ModeFlags(ModeFlags.RDWR)));
} catch (InvalidValueException ex) {
throw context.getRuntime().newErrnoEINVALError();
} catch (UnknownHostException e) {
throw sockerr(context.getRuntime(), "initialize: name or service not known");
} catch (BindException e) {
// e.printStackTrace();
String msg = e.getMessage();
if (msg == null) {
msg = "bind";
} else {
msg = "bind - " + msg;
}
// This is ugly, but what can we do, Java provides the same BindingException
// for both EADDRNOTAVAIL and EADDRINUSE, so we differentiate the errors
// based on BindException's message.
if (ADDR_NOT_AVAIL_PATTERN.matcher(msg).find()) {
throw context.getRuntime().newErrnoEADDRNOTAVAILError(msg);
} else {
throw context.getRuntime().newErrnoEADDRINUSEError(msg);
}
} catch (SocketException e) {
String msg = e.getMessage();
if (msg.indexOf("Permission denied") != -1) {
throw context.getRuntime().newErrnoEACCESError("bind(2)");
} else {
throw sockerr(context.getRuntime(), "initialize: name or service not known");
}
} catch (IOException e) {
throw sockerr(context.getRuntime(), "initialize: name or service not known");
} catch (IllegalArgumentException iae) {
throw sockerr(context.getRuntime(), iae.getMessage());
}
return this;
}
