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);
}
}
public static IRubyObject doAcceptNonblock(RubySocket sock, ThreadContext context, boolean ex) {
try {
Channel channel = sock.getChannel();
if (channel instanceof SelectableChannel) {
SelectableChannel selectable = (SelectableChannel) channel;
synchronized (selectable.blockingLock()) {
boolean oldBlocking = selectable.isBlocking();
try {
selectable.configureBlocking(false);
IRubyObject socket = doAccept(sock, context, ex);
if (!(socket instanceof RubySocket)) return socket;
SocketChannel socketChannel = (SocketChannel) ((RubySocket) socket).getChannel();
InetSocketAddress addr =
(InetSocketAddress) socketChannel.socket().getRemoteSocketAddress();
return context.runtime.newArray(
socket, Sockaddr.packSockaddrFromAddress(context, addr));
} finally {
selectable.configureBlocking(oldBlocking);
}
}
} else {
throw context.runtime.newErrnoENOPROTOOPTError();
}
} catch (IOException e) {
throw sockerr(context.runtime, e.getLocalizedMessage(), e);
}
}
