OwlCyberSecurity - MANAGER

Edit File: recv_nonblock-i.yaml

--- !ruby/object:RI::MethodDescription aliases: [] block_params: comment: - !ruby/struct:SM::Flow::P body: Receives up to <em>maxlen</em> bytes from <tt>socket</tt> using recvfrom(2) after O_NONBLOCK is set for the underlying file descriptor. <em>flags</em> is zero or more of the <tt>MSG_</tt> options. The result, <em>mesg</em>, is the data received. - !ruby/struct:SM::Flow::P body: "When recvfrom(2) returns 0, Socket#recv_nonblock returns an empty string as data. The meaning depends on the socket: EOF on TCP, empty packet on UDP, etc." - !ruby/struct:SM::Flow::H level: 3 text: Parameters - !ruby/object:SM::Flow::LIST contents: - !ruby/struct:SM::Flow::LI label: "*" body: <tt>maxlen</tt> - the number of bytes to receive from the socket - !ruby/struct:SM::Flow::LI label: "*" body: <tt>flags</tt> - zero or more of the <tt>MSG_</tt> options type: :BULLET - !ruby/struct:SM::Flow::H level: 3 text: Example - !ruby/struct:SM::Flow::VERB body: " serv = TCPServer.new(&quot;127.0.0.1&quot;, 0)\n af, port, host, addr = serv.addr\n c = TCPSocket.new(addr, port)\n s = serv.accept\n c.send &quot;aaa&quot;, 0\n IO.select([s])\n p s.recv_nonblock(10) #=&gt; &quot;aaa&quot;\n" - !ruby/struct:SM::Flow::P body: Refer to Socket#recvfrom for the exceptions that may be thrown if the call to <em>recv_nonblock</em> fails. - !ruby/struct:SM::Flow::P body: BasicSocket#recv_nonblock may raise any error corresponding to recvfrom(2) failure, including Errno::EAGAIN. - !ruby/struct:SM::Flow::H level: 3 text: See - !ruby/object:SM::Flow::LIST contents: - !ruby/struct:SM::Flow::LI label: "*" body: Socket#recvfrom type: :BULLET full_name: BasicSocket#recv_nonblock is_singleton: false name: recv_nonblock params: | basicsocket.recv_nonblock(maxlen) => mesg basicsocket.recv_nonblock(maxlen, flags) => mesg visibility: public