@JRubyMethod
public IRubyObject setsockopt(
ThreadContext context, IRubyObject _level, IRubyObject _opt, IRubyObject val) {
Ruby runtime = context.runtime;
SocketLevel level = levelFromArg(_level);
SocketOption opt = optionFromArg(_opt);
try {
Channel channel = getOpenChannel();
SocketType socketType = SocketType.forChannel(channel);
switch (level) {
case SOL_IP:
case SOL_SOCKET:
case SOL_TCP:
case SOL_UDP:
if (opt == SocketOption.SO_LINGER) {
if (val instanceof RubyBoolean && !val.isTrue()) {
socketType.setSoLinger(channel, false, 0);
} else {
int num = asNumber(val);
if (num == -1) {
socketType.setSoLinger(channel, false, 0);
} else {
socketType.setSoLinger(channel, true, num);
}
}
} else {
socketType.setSocketOption(channel, opt, asNumber(val));
}
break;
default:
int intLevel = (int) _level.convertToInteger().getLongValue();
int intOpt = (int) _opt.convertToInteger().getLongValue();
if (IPPROTO_TCP.intValue() == intLevel && TCP_NODELAY.intValue() == intOpt) {
socketType.setTcpNoDelay(channel, asBoolean(val));
} else if (IPPROTO_IP.intValue() == intLevel) {
if (MulticastStateManager.IP_ADD_MEMBERSHIP == intOpt) {
joinMulticastGroup(val);
}
} else {
throw runtime.newErrnoENOPROTOOPTError();
}
}
} catch (BadDescriptorException e) {
throw runtime.newErrnoEBADFError();
} catch (IOException e) {
throw runtime.newErrnoENOPROTOOPTError();
}
return runtime.newFixnum(0);
}
public static IRubyObject doAccept(RubySocket sock, ThreadContext context, boolean ex) {
Ruby runtime = context.runtime;
Channel channel = sock.getChannel();
try {
if (channel instanceof ServerSocketChannel) {
ServerSocketChannel serverChannel = (ServerSocketChannel) sock.getChannel();
SocketChannel socket = serverChannel.accept();
if (socket == null) {
// This appears to be undocumented in JDK; null as a sentinel value
// for a nonblocking accept with nothing available. We raise for Ruby.
// indicates that no connection is available in non-blocking mode
if (!ex) return runtime.newSymbol("wait_readable");
throw runtime.newErrnoEAGAINReadableError("accept(2) would block");
}
RubySocket rubySocket = new RubySocket(runtime, runtime.getClass("Socket"));
rubySocket.initFromServer(runtime, sock, socket);
return runtime.newArray(
rubySocket,
new Addrinfo(runtime, runtime.getClass("Addrinfo"), socket.getRemoteAddress()));
}
throw runtime.newErrnoENOPROTOOPTError();
} catch (IllegalBlockingModeException e) {
// indicates that no connection is available in non-blocking mode
if (!ex) return runtime.newSymbol("wait_readable");
throw runtime.newErrnoEAGAINReadableError("accept(2) would block");
} catch (IOException e) {
throw sockerr(runtime, e.getLocalizedMessage(), e);
}
}
@JRubyMethod
public IRubyObject getsockopt(ThreadContext context, IRubyObject _level, IRubyObject _opt) {
Ruby runtime = context.runtime;
SocketLevel level = levelFromArg(_level);
SocketOption opt = optionFromArg(_opt);
int value = 0;
try {
Channel channel = getOpenChannel();
switch (level) {
case SOL_SOCKET:
case SOL_IP:
case SOL_TCP:
case SOL_UDP:
if (opt == SocketOption.__UNKNOWN_CONSTANT__) {
throw runtime.newErrnoENOPROTOOPTError();
}
value = SocketType.forChannel(channel).getSocketOption(channel, opt);
if (runtime.is1_9()) {
return new Option(runtime, ProtocolFamily.PF_INET, level, opt, value);
} else {
return number(runtime, SocketType.forChannel(channel).getSocketOption(channel, opt));
}
default:
throw runtime.newErrnoENOPROTOOPTError();
}
} catch (BadDescriptorException e) {
throw runtime.newErrnoEBADFError();
} catch (IOException e) {
throw runtime.newErrnoENOPROTOOPTError();
}
}
private void doBind(
ThreadContext context, Channel channel, InetSocketAddress iaddr, int backlog) {
Ruby runtime = context.runtime;
try {
if (channel instanceof ServerSocketChannel) {
ServerSocket socket = ((ServerSocketChannel) channel).socket();
socket.bind(iaddr, backlog);
} else {
throw runtime.newErrnoENOPROTOOPTError();
}
} catch (UnknownHostException e) {
throw SocketUtils.sockerr(runtime, "bind(2): unknown host");
} catch (SocketException e) {
handleSocketException(runtime, e, "bind(2)", iaddr);
} catch (IOException e) {
throw sockerr(runtime, "bind(2): name or service not known", e);
} catch (IllegalArgumentException e) {
throw sockerr(runtime, e.getMessage(), e);
}
}