diff options
Diffstat (limited to 'ext/socket/udpsocket.c')
| -rw-r--r-- | ext/socket/udpsocket.c | 63 |
1 files changed, 7 insertions, 56 deletions
diff --git a/ext/socket/udpsocket.c b/ext/socket/udpsocket.c index d55ddfe6bb..7b7b34f04d 100644 --- a/ext/socket/udpsocket.c +++ b/ext/socket/udpsocket.c @@ -214,63 +214,11 @@ udp_send(int argc, VALUE *argv, VALUE sock) return ret; } -/* - * call-seq: - * udpsocket.recvfrom_nonblock(maxlen [, flags [, options]]) => [mesg, sender_inet_addr] - * - * Receives up to _maxlen_ bytes from +udpsocket+ using recvfrom(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * If _maxlen_ is omitted, its default value is 65536. - * _flags_ is zero or more of the +MSG_+ options. - * The first element of the results, _mesg_, is the data received. - * The second element, _sender_inet_addr_, is an array to represent the sender address. - * - * When recvfrom(2) returns 0, - * Socket#recvfrom_nonblock returns an empty string as data. - * It means an empty packet. - * - * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * * +options+ - keyword hash, supporting `exception: false` - * - * === Example - * require 'socket' - * s1 = UDPSocket.new - * s1.bind("127.0.0.1", 0) - * s2 = UDPSocket.new - * s2.bind("127.0.0.1", 0) - * s2.connect(*s1.addr.values_at(3,1)) - * s1.connect(*s2.addr.values_at(3,1)) - * s1.send "aaa", 0 - * begin # emulate blocking recvfrom - * p s2.recvfrom_nonblock(10) #=> ["aaa", ["AF_INET", 33302, "localhost.localdomain", "127.0.0.1"]] - * rescue IO::WaitReadable - * IO.select([s2]) - * retry - * end - * - * Refer to Socket#recvfrom for the exceptions that may be thrown if the call - * to _recvfrom_nonblock_ fails. - * - * UDPSocket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK or Errno::EAGAIN, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying recvfrom_nonblock. - * - * By specifying `exception: false`, the options hash allows you to indicate - * that recvmsg_nonblock should not raise an IO::WaitWritable exception, but - * return the symbol :wait_writable instead. - * - * === See - * * Socket#recvfrom - */ +/* :nodoc: */ static VALUE -udp_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) +udp_recvfrom_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str, VALUE ex) { - return rsock_s_recvfrom_nonblock(sock, argc, argv, RECV_IP); + return rsock_s_recvfrom_nonblock(sock, len, flg, str, ex, RECV_IP); } void @@ -287,5 +235,8 @@ rsock_init_udpsocket(void) rb_define_method(rb_cUDPSocket, "connect", udp_connect, 2); rb_define_method(rb_cUDPSocket, "bind", udp_bind, 2); rb_define_method(rb_cUDPSocket, "send", udp_send, -1); - rb_define_method(rb_cUDPSocket, "recvfrom_nonblock", udp_recvfrom_nonblock, -1); + + /* for ext/socket/lib/socket.rb use only: */ + rb_define_private_method(rb_cUDPSocket, + "__recvfrom_nonblock", udp_recvfrom_nonblock, 4); } |