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//opt/alt/ruby18/share/ri/1.8/system/Socket/connect-i.yaml

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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
 body: Requests a connection to be made on the given <tt>server_sockaddr</tt>. Returns 0 if successful, otherwise an exception is raised.
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Parameter
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: <tt>server_sockaddr</tt> - the <tt>struct</tt> sockaddr contained in a string
 type: :BULLET
- !ruby/struct:SM::Flow::H 
 level: 3
 text: "Example:"
- !ruby/struct:SM::Flow::VERB 
 body: " # Pull down Google's web page\n require 'socket'\n include Socket::Constants\n socket = Socket.new( AF_INET, SOCK_STREAM, 0 )\n sockaddr = Socket.pack_sockaddr_in( 80, 'www.google.com' )\n socket.connect( sockaddr )\n socket.write( &quot;GET / HTTP/1.0\\r\\n\\r\\n&quot; )\n results = socket.read\n"
- !ruby/struct:SM::Flow::H 
 level: 3
 text: Unix-based Exceptions
- !ruby/struct:SM::Flow::P 
 body: "On unix-based systems the following system exceptions may be raised if the call to connect fails:"
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EACCES - search permission is denied for a component of the prefix path or write access to the <tt>socket</tt> is denided
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EADDRINUSE - the sockaddr is already in use
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EADDRNOTAVAIL - the specified sockaddr is not available from the local machine
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EAFNOSUPPORT - the specified sockaddr is not a valid address for the address family of the specified <tt>socket</tt>
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EALREADY - a connection is already in progress for the specified socket
 - !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::ECONNREFUSED - the target sockaddr was not listening for connections refused the connection request
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ECONNRESET - the remote host reset the connection request
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EFAULT - the sockaddr cannot be accessed
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EHOSTUNREACH - the destination host cannot be reached (probably because the host is down or a remote router cannot reach it)
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINPROGRESS - the O_NONBLOCK is set for the <tt>socket</tt> and the connection cnanot be immediately established; the connection will be established asynchronously
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINTR - the attempt to establish the connection was interrupted by delivery of a signal that was caught; the connection will be established asynchronously
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EISCONN - the specified <tt>socket</tt> is already connected
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINVAL - the address length used for the sockaddr is not a valid length for the address family or there is an invalid family in sockaddr
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENAMETOOLONG - the pathname resolved had a length which exceeded PATH_MAX
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENETDOWN - the local interface used to reach the destination is down
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENETUNREACH - no route to the network is present
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOBUFS - no buffer space is available
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOSR - there were insufficient STREAMS resources available to complete the operation
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOTSOCK - the <tt>socket</tt> argument does not refer to a socket
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EOPNOTSUPP - the calling <tt>socket</tt> is listening and cannot be connected
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EPROTOTYPE - the sockaddr has a different type than the socket bound to the specified peer address
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ETIMEDOUT - the attempt to connect time out before a connection was made.
 type: :BULLET
- !ruby/struct:SM::Flow::P 
 body: "On unix-based systems if the address family of the calling <tt>socket</tt> is AF_UNIX the follow exceptions may be raised if the call to connect fails:"
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EIO - an i/o error occured while reading from or writing to the file system
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ELOOP - too many symbolic links were encountered in translating the pathname in sockaddr
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENAMETOOLLONG - a component of a pathname exceeded NAME_MAX characters, or an entired pathname exceeded PATH_MAX characters
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOENT - a component of the pathname does not name an existing file or the pathname is an empty string
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOTDIR - a component of the path prefix of the pathname in sockaddr is not a directory
 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 connect fails:"
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENETDOWN - the network is down
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EADDRINUSE - the socket's local address is already in use
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINTR - the socket was cancelled
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EINPROGRESS - a blocking socket is in progress or the service provider is still processing a callback function. Or a nonblocking connect call is in progress on the <tt>socket</tt>.
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EALREADY - see Errno::EINVAL
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EADDRNOTAVAIL - the remote address is not a valid address, such as ADDR_ANY TODO check ADDRANY TO INADDR_ANY
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EAFNOSUPPORT - addresses in the specified family cannot be used with with this <tt>socket</tt>
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ECONNREFUSED - the target sockaddr was not listening for connections refused the connection request
 - !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 <tt>socket</tt> is a listening socket
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EISCONN - the <tt>socket</tt> is already connected
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENETUNREACH - the network cannot be reached from this host at this time
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EHOSTUNREACH - no route to the network is present
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOBUFS - no buffer space is available
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ENOTSOCK - the <tt>socket</tt> argument does not refer to a socket
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::ETIMEDOUT - the attempt to connect time out before a connection was made.
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EWOULDBLOCK - the socket is marked as nonblocking and the connection cannot be completed immediately
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: Errno::EACCES - the attempt to connect the datagram socket to the broadcast address failed
 type: :BULLET
- !ruby/struct:SM::Flow::H 
 level: 3
 text: See
- !ruby/object:SM::Flow::LIST 
 contents: 
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: connect manual pages on unix-based systems
 - !ruby/struct:SM::Flow::LI 
 label: "*"
 body: connect function in Microsoft's Winsock functions reference
 type: :BULLET
full_name: Socket#connect
is_singleton: false
name: connect
params: |
 socket.connect(server_sockaddr) => 0

visibility: public