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* ext/socket/socket.c: Documentation for Socket
Based on a patch by David Albert [Bug #7105] [ruby-core:47828] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,9 @@
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Sat Oct 20 12:50:00 2012 Zachary Scott <zachary@zacharyscott.net>
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* ext/socket/socket.c: Documentation for Socket
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Based on a patch by David Albert
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[Bug #7105] [ruby-core:47828]
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Sat Oct 20 11:00:00 2012 Zachary Scott <zachary@zacharyscott.net>
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* lib/open-uri.rb: Documentation for OpenURI
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@ -27,9 +27,8 @@ setup_domain_and_type(VALUE domain, int *dv, VALUE type, int *tv)
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*
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* _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
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*
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* _protocol_ should be a protocol defined in the domain.
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* This is optional.
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* If it is not given, 0 is used internally.
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* _protocol_ is optional and should be a protocol defined in the domain.
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* If protocol is not given, 0 is used internally.
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*
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* Socket.new(:INET, :STREAM) # TCP socket
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* Socket.new(:INET, :DGRAM) # UDP socket
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@ -140,8 +139,8 @@ rsock_socketpair(int domain, int type, int protocol, int sv[2])
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*
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* _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
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*
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* _protocol_ should be a protocol defined in the domain.
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* 0 is default protocol for the domain.
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* _protocol_ should be a protocol defined in the domain,
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* defaults to 0 for the domain.
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*
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* s1, s2 = Socket.pair(:UNIX, :DGRAM, 0)
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* s1.send "a", 0
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@ -1134,8 +1133,8 @@ sock_s_getservbyport(int argc, VALUE *argv)
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*
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* _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
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*
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* _protocol_ should be a protocol defined in the family.
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* 0 is default protocol for the family.
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* _protocol_ should be a protocol defined in the family,
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* and defaults to 0 for the family.
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*
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* _flags_ should be bitwise OR of Socket::AI_* constants.
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*
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@ -1148,8 +1147,7 @@ sock_s_getservbyport(int argc, VALUE *argv)
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* # ["AF_INET", 0, "localhost", "127.0.0.1", 2, 3, 0]] # PF_INET/SOCK_RAW/IPPROTO_IP
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*
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* _reverse_lookup_ directs the form of the third element, and has to
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* be one of below.
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* If it is ommitted, the default value is +nil+.
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* be one of below. If _reverse_lookup_ is omitted, the default value is +nil+.
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*
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* +true+, +:hostname+: hostname is obtained from numeric address using reverse lookup, which may take a time.
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* +false+, +:numeric+: hostname is same as numeric address.
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@ -1201,7 +1199,8 @@ sock_s_getaddrinfo(int argc, VALUE *argv)
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*
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* _flags_ should be bitwise OR of Socket::NI_* constants.
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*
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* Note that the last form is compatible with IPSocket#{addr,peeraddr}.
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* Note:
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* The last form is compatible with IPSocket#addr and IPSocket#peeraddr.
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*
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* Socket.getnameinfo(Socket.sockaddr_in(80, "127.0.0.1")) #=> ["localhost", "www"]
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* Socket.getnameinfo(["AF_INET", 80, "127.0.0.1"]) #=> ["localhost", "www"]
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@ -1859,35 +1858,45 @@ Init_socket()
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* TCPSocket, UDPSocket or UNIXSocket for example.
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*
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* Sockets have their own vocabulary:
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* domain::
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* The family of protocols: Socket::PF_INET, Socket::PF_INET6,
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* Socket::PF_UNIX, etc.
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* type::
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* The type of communications between the two endpoints, typically
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* Socket::SOCK_STREAM or Socket::SOCK_DGRAM.
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* protocol::
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* Typically zero. This may be used to identify a variant of a
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* protocol.
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* hostname::
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* The identifier of a network interface:
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* * a string (hostname, IPv4 or IPv6 adress or <tt><broadcast></tt>
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* which specifies a broadcast address)
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* * a zero-length string which specifies INADDR_ANY
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* * an integer (interpreted as binary address in host byte order).
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*
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* *domain:*
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* The family of protocols:
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* * Socket::PF_INET
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* * Socket::PF_INET6
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* * Socket::PF_UNIX
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* * etc.
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*
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* *type:*
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* The type of communications between the two endpoints, typically
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* * Socket::SOCK_STREAM
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* * Socket::SOCK_DGRAM.
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*
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* *protocol:*
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* Typically _zero_.
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* This may be used to identify a variant of a protocol.
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*
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* *hostname:*
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* The identifier of a network interface:
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* * a string (hostname, IPv4 or IPv6 adress or +broadcast+
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* which specifies a broadcast address)
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* * a zero-length string which specifies INADDR_ANY
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* * an integer (interpreted as binary address in host byte order).
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*
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* === Quick start
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*
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* Some classes such as TCPSocket, UDPSocket or UNIXSocket ease use of
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* sockets of these types compared to C programming.
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* Many of the classes, such as TCPSocket, UDPSocket or UNIXSocket,
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* ease the use of sockets comparatively to the equivalent C programming interface.
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*
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* # Creating a TCP socket in a C-like manner
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* s = Socket.new Socket::INET, Socket::SOCK_STREAM
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* Let's create an internet socket using the IPv4 protocol in a C-like manner:
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*
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* s = Socket.new Socket::AF_INET, Socket::SOCK_STREAM
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* s.connect Socket.pack_sockaddr_in(80, 'example.com')
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*
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* # Using TCPSocket
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* You could also use the TCPSocket class:
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*
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* s = TCPSocket.new 'example.com', 80
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*
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* A simple server would look like:
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* A simple server might look like this:
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*
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* require 'socket'
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*
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@ -1900,7 +1909,7 @@ Init_socket()
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* client.close
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* end
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*
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* A simple client may look like:
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* A simple client may look like this:
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*
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* require 'socket'
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*
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@ -1917,14 +1926,14 @@ Init_socket()
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* Ruby's Socket implementation raises exceptions based on the error
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* generated by the system dependent implementation. This is why the
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* methods are documented in a way that isolate Unix-based system
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* exceptions from Windows based exceptions. If more information on
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* particular exception is needed please refer to the Unix manual pages or
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* exceptions from Windows based exceptions. If more information on a
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* particular exception is needed, please refer to the Unix manual pages or
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* the Windows WinSock reference.
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*
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* === Convenient methods
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* === Convenience methods
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*
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* Although the general way to create socket is Socket.new,
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* there are several methods for socket creation for most cases.
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* there are several methods of socket creation for most cases.
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*
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* TCP client socket::
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* Socket.tcp, TCPSocket.open
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