U:RDoc::AnyMethod[iI"getsockopt:ETI"BasicSocket#getsockopt;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"LGets a socket option. These are protocol and system specific, see your ;TI"Glocal system documentation for details. The option is returned as ;TI"a Socket::Option object.;To:RDoc::Markup::BlankLineS:RDoc::Markup::Heading:
leveli:	textI"Parameters;To:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;	[o;
;	[	I"F+level+ is an integer, usually one of the SOL_ constants such as ;TI".Socket::SOL_SOCKET, or a protocol level. ;TI"FA string or symbol of the name, possibly without prefix, is also ;TI"accepted.;To;;0;	[o;
;	[	I"E+optname+ is an integer, usually one of the SO_ constants, such ;TI"as Socket::SO_REUSEADDR. ;TI"FA string or symbol of the name, possibly without prefix, is also ;TI"accepted.;T@S;;
i;I"
Examples;T@o;
;	[I"HSome socket options are integers with boolean values, in this case ;TI"+#getsockopt could be called like this:;T@o:RDoc::Markup::Verbatim;	[
I";reuseaddr = sock.getsockopt(:SOCKET, :REUSEADDR).bool
;TI"
;TI"Goptval = sock.getsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR)
;TI" optval = optval.unpack "i"
;TI"/reuseaddr = optval[0] == 0 ? false : true
;T:@format0o;
;	[I"HSome socket options are integers with numeric values, in this case ;TI"+#getsockopt could be called like this:;T@o;;	[	I",ipttl = sock.getsockopt(:IP, :TTL).int
;TI"
;TI"Boptval = sock.getsockopt(Socket::IPPROTO_IP, Socket::IP_TTL)
;TI"#ipttl = optval.unpack("i")[0]
;T;0o;
;	[	I"OOption values may be structs. Decoding them can be complex as it involves ;TI"Kexamining your system headers to determine the correct definition. An ;TI"Oexample is a +struct linger+, which may be defined in your system headers ;TI"as:;To;;	[	I"struct linger {
;TI"  int l_onoff;
;TI"  int l_linger;
;TI"};
;T;0o;
;	[I"8In this case #getsockopt could be called like this:;T@o;;	[I".# Socket::Option knows linger structure.
;TI">onoff, linger = sock.getsockopt(:SOCKET, :LINGER).linger
;TI"
;TI"Foptval =  sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER)
;TI"(onoff, linger = optval.unpack "ii"
;TI"&onoff = onoff == 0 ? false : true;T;0:
@fileI"ext/socket/basicsocket.c;T:0@omit_headings_from_table_of_contents_below0I"0getsockopt(level, optname) => socketoption
;T0[I"
(p1, p2);T@SFI"BasicSocket;TcRDoc::NormalClass00