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* ext/socket/socket.c: Documentation for Socket

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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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zzak 2012-10-20 03:51:33 +00:00
parent dd05478f24
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ChangeLog
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@ -1,3 +1,9 @@
Sat Oct 20 12:50:00 2012 Zachary Scott <zachary@zacharyscott.net>
* ext/socket/socket.c: Documentation for Socket
Based on a patch by David Albert
[Bug #7105] [ruby-core:47828]
Sat Oct 20 11:00:00 2012 Zachary Scott <zachary@zacharyscott.net>
* lib/open-uri.rb: Documentation for OpenURI

71
ext/socket/socket.c
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@ -27,9 +27,8 @@ setup_domain_and_type(VALUE domain, int *dv, VALUE type, int *tv)
*
* _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
*
* _protocol_ should be a protocol defined in the domain.
* This is optional.
* If it is not given, 0 is used internally.
* _protocol_ is optional and should be a protocol defined in the domain.
* If protocol is not given, 0 is used internally.
*
* Socket.new(:INET, :STREAM) # TCP socket
* Socket.new(:INET, :DGRAM) # UDP socket
@ -140,8 +139,8 @@ rsock_socketpair(int domain, int type, int protocol, int sv[2])
*
* _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
*
* _protocol_ should be a protocol defined in the domain.
* 0 is default protocol for the domain.
* _protocol_ should be a protocol defined in the domain,
* defaults to 0 for the domain.
*
* s1, s2 = Socket.pair(:UNIX, :DGRAM, 0)
* s1.send "a", 0
@ -1134,8 +1133,8 @@ sock_s_getservbyport(int argc, VALUE *argv)
*
* _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc.
*
* _protocol_ should be a protocol defined in the family.
* 0 is default protocol for the family.
* _protocol_ should be a protocol defined in the family,
* and defaults to 0 for the family.
*
* _flags_ should be bitwise OR of Socket::AI_* constants.
*
@ -1148,8 +1147,7 @@ sock_s_getservbyport(int argc, VALUE *argv)
* # ["AF_INET", 0, "localhost", "127.0.0.1", 2, 3, 0]] # PF_INET/SOCK_RAW/IPPROTO_IP
*
* _reverse_lookup_ directs the form of the third element, and has to
* be one of below.
* If it is ommitted, the default value is +nil+.
* be one of below. If _reverse_lookup_ is omitted, the default value is +nil+.
*
* +true+, +:hostname+: hostname is obtained from numeric address using reverse lookup, which may take a time.
* +false+, +:numeric+: hostname is same as numeric address.
@ -1201,7 +1199,8 @@ sock_s_getaddrinfo(int argc, VALUE *argv)
*
* _flags_ should be bitwise OR of Socket::NI_* constants.
*
* Note that the last form is compatible with IPSocket#{addr,peeraddr}.
* Note:
* The last form is compatible with IPSocket#addr and IPSocket#peeraddr.
*
* Socket.getnameinfo(Socket.sockaddr_in(80, "127.0.0.1")) #=> ["localhost", "www"]
* Socket.getnameinfo(["AF_INET", 80, "127.0.0.1"]) #=> ["localhost", "www"]
@ -1859,35 +1858,45 @@ Init_socket()
* TCPSocket, UDPSocket or UNIXSocket for example.
*
* Sockets have their own vocabulary:
* domain::
* The family of protocols: Socket::PF_INET, Socket::PF_INET6,
* Socket::PF_UNIX, etc.
* type::
*
* *domain:*
* The family of protocols:
* * Socket::PF_INET
* * Socket::PF_INET6
* * Socket::PF_UNIX
* * etc.
*
* *type:*
* The type of communications between the two endpoints, typically
* Socket::SOCK_STREAM or Socket::SOCK_DGRAM.
* protocol::
* Typically zero. This may be used to identify a variant of a
* protocol.
* hostname::
* * Socket::SOCK_STREAM
* * Socket::SOCK_DGRAM.
*
* *protocol:*
* Typically _zero_.
* This may be used to identify a variant of a protocol.
*
* *hostname:*
* The identifier of a network interface:
* * a string (hostname, IPv4 or IPv6 adress or <tt><broadcast></tt>
* * a string (hostname, IPv4 or IPv6 adress or +broadcast+
* which specifies a broadcast address)
* * a zero-length string which specifies INADDR_ANY
* * an integer (interpreted as binary address in host byte order).
*
* === Quick start
*
* Some classes such as TCPSocket, UDPSocket or UNIXSocket ease use of
* sockets of these types compared to C programming.
* Many of the classes, such as TCPSocket, UDPSocket or UNIXSocket,
* ease the use of sockets comparatively to the equivalent C programming interface.
*
* # Creating a TCP socket in a C-like manner
* s = Socket.new Socket::INET, Socket::SOCK_STREAM
* Let's create an internet socket using the IPv4 protocol in a C-like manner:
*
* s = Socket.new Socket::AF_INET, Socket::SOCK_STREAM
* s.connect Socket.pack_sockaddr_in(80, 'example.com')
*
* # Using TCPSocket
* You could also use the TCPSocket class:
*
* s = TCPSocket.new 'example.com', 80
*
* A simple server would look like:
* A simple server might look like this:
*
* require 'socket'
*
@ -1900,7 +1909,7 @@ Init_socket()
* client.close
* end
*
* A simple client may look like:
* A simple client may look like this:
*
* require 'socket'
*
@ -1917,14 +1926,14 @@ Init_socket()
* Ruby's Socket implementation raises exceptions based on the error
* generated by the system dependent implementation. This is why the
* methods are documented in a way that isolate Unix-based system
* exceptions from Windows based exceptions. If more information on
* particular exception is needed please refer to the Unix manual pages or
* exceptions from Windows based exceptions. If more information on a
* particular exception is needed, please refer to the Unix manual pages or
* the Windows WinSock reference.
*
* === Convenient methods
* === Convenience methods
*
* Although the general way to create socket is Socket.new,
* there are several methods for socket creation for most cases.
* there are several methods of socket creation for most cases.
*
* TCP client socket::
* Socket.tcp, TCPSocket.open