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accept-i.yaml

--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
 body: Accepts an incoming connection returning an array containing a new Socket object and a string holding the <tt>struct</tt> sockaddr information about the caller.
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Example
- !ruby/struct:SM::Flow::VERB 
 body: " # In one script, start this first\n require 'socket'\n include Socket::Constants\n socket = Socket.new( AF_INET, SOCK_STREAM, 0 )\n sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' )\n socket.bind( sockaddr )\n socket.listen( 5 )\n client, client_sockaddr = socket.accept\n puts &quot;The client said, '#{client.readline.chomp}'&quot;\n client.puts &quot;Hello from script one!&quot;\n socket.close\n\n # In another script, start this second\n require 'socket'\n include Socket::Constants\n socket = Socket.new( AF_INET, SOCK_STREAM, 0 )\n sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' )\n socket.connect( sockaddr )\n socket.puts &quot;Hello from script 2.&quot;\n puts &quot;The server said, '#{socket.readline.chomp}'&quot;\n socket.close\n"
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Unix-based Exceptions
- !ruby/struct:SM::Flow::P 
 body: "On unix-based based systems the following system exceptions may be raised if the call to accept fails:"
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EAGAIN - O_NONBLOCK is set for the <tt>socket</tt> file descriptor and no connections are parent to be accepted
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EWOULDBLOCK - same as Errno::EAGAIN
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EBADF - the <tt>socket</tt> is not a valid file descriptor
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ECONNABORTED - a connection has been aborted
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EFAULT - the socket's internal address or address length parameter cannot be access or written
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINTR - the accept method was interrupted by a signal that was caught before a valid connection arrived
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINVAL - the <tt>socket</tt> is not accepting connections
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EMFILE - OPEN_MAX file descriptors are currently open in the calling process
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOBUFS - no buffer space is available
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOMEM - there was insufficient memory available to complete the operation
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOSR - there was insufficient STREAMS resources available to complete the operation
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENFILE - the maximum number of file descriptors in the system are already open
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOTSOCK - the <tt>socket</tt> does not refer to a socket
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EOPNOTSUPP - the socket type for the calling <tt>socket</tt> does not support accept connections
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EPROTO - a protocol error has occurred
 type: :BULLET
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Windows Exceptions
- !ruby/struct:SM::Flow::P 
 body: "On Windows systems the following system exceptions may be raised if the call to accept fails:"
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ECONNRESET - an incoming connection was indicated, but was terminated by the remote peer prior to accepting the connection
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EFAULT - the socket's internal address or address length parameter is too small or is not a valid part of the user space address
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINVAL - the listen method was not invoked prior to calling accept
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINPROGRESS - a blocking Windows Sockets 1.1 call is in progress or the service provider is still processing a callback function
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EMFILE - the queue is not empty, upong etry to accept and there are no socket descriptors available
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENETDOWN - the network is down
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOBUFS - no buffer space is available
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOTSOCK - <tt>socket</tt> is not a socket
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EOPNOTSUPP - <tt>socket</tt> is not a type that supports connection-oriented service.
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EWOULDBLOCK - <tt>socket</tt> is marked as nonblocking and no connections are present to be accepted
 type: :BULLET
- !ruby/struct:SM::Flow::H 
 level: 3
 text: See
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: accept manual pages on unix-based systems
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: accept function in Microsoft's Winsock functions reference
 type: :BULLET
full_name: Socket#accept
is_singleton: false
name: accept
params: |
 socket.accept => [ socket, string ]

visibility: public

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