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ef9206bbea
(sockopt_new): ditto. (Init_sockopt): ditto. * ext/socket/init.c (Init_socket_init): call Init_sockopt. * ext/socket/depend: add dependency for option.o * ext/socket/mkconstants.rb: generate intern_level, intern_so_optname, intern_ip_optname, intern_ipv6_optname, intern_tcp_optname, intern_udp_optname and intern_scm_optname. * ext/socket/extconf.rb: add option.o. * ext/socket/basicsocket.c (bsock_setsockopt): accept Socket::Option object. (bsock_getsockopt): return Socket::Option object. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21936 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
373 lines
11 KiB
C
373 lines
11 KiB
C
#include "rubysocket.h"
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VALUE rb_cSockOpt;
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static VALUE
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constant_to_sym(int constant, ID (*intern_const)(int))
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{
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ID name = intern_const(constant);
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if (name) {
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return ID2SYM(name);
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}
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return INT2NUM(constant);
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}
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static VALUE
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optname_to_sym(int level, int optname)
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{
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switch (level) {
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case SOL_SOCKET:
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return constant_to_sym(optname, intern_so_optname);
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case IPPROTO_IP:
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return constant_to_sym(optname, intern_ip_optname);
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case IPPROTO_IPV6:
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return constant_to_sym(optname, intern_ipv6_optname);
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case IPPROTO_TCP:
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return constant_to_sym(optname, intern_tcp_optname);
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case IPPROTO_UDP:
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return constant_to_sym(optname, intern_udp_optname);
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default:
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return INT2NUM(optname);
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}
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}
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static VALUE
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sockopt_initialize(VALUE self, VALUE vlevel, VALUE voptname, VALUE data)
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{
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int level;
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StringValue(data);
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level = level_arg(vlevel);
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rb_ivar_set(self, rb_intern("level"), INT2NUM(level));
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rb_ivar_set(self, rb_intern("optname"), INT2NUM(optname_arg(level, voptname)));
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rb_ivar_set(self, rb_intern("data"), data);
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return self;
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}
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VALUE
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sockopt_new(int level, int optname, VALUE data)
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{
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NEWOBJ(obj, struct RObject);
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OBJSETUP(obj, rb_cSockOpt, T_OBJECT);
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StringValue(data);
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sockopt_initialize((VALUE)obj, INT2NUM(level), INT2NUM(optname), data);
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return (VALUE)obj;
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}
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/*
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* call-seq:
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* sockopt.level => integer
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*
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* returns the socket level as an integer.
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*
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* p Socket::Option.new(:IPV6, :RECVPKTINFO, [1].pack("i!")).level
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*/
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static VALUE
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sockopt_level(VALUE self)
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{
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return rb_attr_get(self, rb_intern("level"));
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}
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/*
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* call-seq:
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* sockopt.optname => integer
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*
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* returns the socket option name as an integer.
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*
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* p Socket::Option.new(:IPV6, :RECVPKTINFO, [1].pack("i!")).optname
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*/
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static VALUE
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sockopt_optname(VALUE self)
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{
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return rb_attr_get(self, rb_intern("optname"));
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}
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/*
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* call-seq:
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* sockopt.data => string
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*
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* returns the socket option data as a string.
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*
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* p Socket::Option.new(:IPV6, :PKTINFO, [1].pack("i!")).data
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*/
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static VALUE
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sockopt_data(VALUE self)
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{
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return rb_attr_get(self, rb_intern("data"));
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}
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/*
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* call-seq:
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* Socket::Option.int(level, optname, integer) => sockopt
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*
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* Creates a new Socket::Option object which contains an int as data.
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*
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* The size and endian is dependent on the host.
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*
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* p Socket::Option.int(:SOCKET, :KEEPALIVE, 1)
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* #=> #<Socket::Option: SOCKET KEEPALIVE 1>
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*/
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static VALUE
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sockopt_s_int(VALUE klass, VALUE vlevel, VALUE voptname, VALUE vint)
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{
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int level = level_arg(vlevel);
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int optname = optname_arg(level, voptname);
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int i = NUM2INT(vint);
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return sockopt_new(level, optname, rb_str_new((char*)&i, sizeof(i)));
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}
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/*
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* call-seq:
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* sockopt.int => integer
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*
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* Returns the data in _sockopt_ as an int.
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*
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* The size and endian is dependent on the host.
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*
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* sockopt = Socket::Option.int(:SOCKET, :KEEPALIVE, 1)
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* p sockopt.int => 1
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*/
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static VALUE
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sockopt_int(VALUE self)
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{
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int i;
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VALUE data = sockopt_data(self);
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StringValue(data);
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if (RSTRING_LEN(data) != sizeof(int))
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rb_raise(rb_eTypeError, "size differ. expected as sizeof(int)=%d but %ld",
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(int)sizeof(int), (long)RSTRING_LEN(data));
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memcpy((char*)&i, RSTRING_PTR(data), sizeof(int));
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return INT2NUM(i);
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}
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static int
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inspect_int(int level, int optname, VALUE data, VALUE ret)
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{
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if (RSTRING_LEN(data) == sizeof(int)) {
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int i;
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memcpy((char*)&i, RSTRING_PTR(data), sizeof(int));
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rb_str_catf(ret, " %d", i);
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return 0;
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}
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else {
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return -1;
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}
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}
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static int
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inspect_uint(int level, int optname, VALUE data, VALUE ret)
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{
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if (RSTRING_LEN(data) == sizeof(int)) {
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unsigned int i;
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memcpy((char*)&i, RSTRING_PTR(data), sizeof(unsigned int));
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rb_str_catf(ret, " %u", i);
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return 0;
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}
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else {
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return -1;
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}
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}
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#if defined(SOL_SOCKET) && defined(SO_LINGER) /* POSIX */
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static int
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inspect_linger(int level, int optname, VALUE data, VALUE ret)
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{
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if (RSTRING_LEN(data) == sizeof(struct linger)) {
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struct linger s;
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memcpy((char*)&s, RSTRING_PTR(data), sizeof(s));
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rb_str_catf(ret, " onoff:%d linger:%d", s.l_onoff, s.l_linger);
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return 0;
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}
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else {
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return -1;
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}
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}
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#endif
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#if defined(SOL_SOCKET) && defined(SO_TYPE) /* POSIX */
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static int
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inspect_socktype(int level, int optname, VALUE data, VALUE ret)
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{
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if (RSTRING_LEN(data) == sizeof(int)) {
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int i;
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ID id;
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memcpy((char*)&i, RSTRING_PTR(data), sizeof(int));
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id = intern_socktype(i);
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if (id)
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rb_str_catf(ret, " %s", rb_id2name(id));
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else
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rb_str_catf(ret, " %d", i);
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return 0;
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}
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else {
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return -1;
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}
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}
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#endif
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static int
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inspect_timeval(int level, int optname, VALUE data, VALUE ret)
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{
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if (RSTRING_LEN(data) == sizeof(struct linger)) {
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struct timeval s;
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memcpy((char*)&s, RSTRING_PTR(data), sizeof(s));
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rb_str_catf(ret, " %ld.%06ldsec", (long)s.tv_sec, (long)s.tv_usec);
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return 0;
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}
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else {
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return -1;
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}
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}
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static VALUE
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sockopt_inspect(VALUE self)
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{
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int level = NUM2INT(sockopt_level(self));
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int optname = NUM2INT(sockopt_optname(self));
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VALUE data = sockopt_data(self);
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VALUE v, ret;
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ID level_id;
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StringValue(data);
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ret = rb_sprintf("#<%s: ", rb_obj_classname(self));
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level_id = intern_level(level);
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if (level_id)
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rb_str_cat2(ret, rb_id2name(level_id));
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else
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rb_str_catf(ret, "level:%d", level);
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v = optname_to_sym(level, optname);
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if (SYMBOL_P(v))
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rb_str_catf(ret, " %s", rb_id2name(SYM2ID(v)));
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else
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rb_str_catf(ret, " optname:%d", optname);
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switch (level) {
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# if defined(SOL_SOCKET)
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case SOL_SOCKET:
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switch (optname) {
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# if defined(SO_DEBUG) /* POSIX */
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case SO_DEBUG: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_ERROR) /* POSIX */
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case SO_ERROR: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_TYPE) /* POSIX */
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case SO_TYPE: if (inspect_socktype(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_ACCEPTCONN) /* POSIX */
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case SO_ACCEPTCONN: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_BROADCAST) /* POSIX */
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case SO_BROADCAST: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_REUSEADDR) /* POSIX */
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case SO_REUSEADDR: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_KEEPALIVE) /* POSIX */
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case SO_KEEPALIVE: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_OOBINLINE) /* POSIX */
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case SO_OOBINLINE: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_SNDBUF) /* POSIX */
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case SO_SNDBUF: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_RCVBUF) /* POSIX */
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case SO_RCVBUF: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_DONTROUTE) /* POSIX */
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case SO_DONTROUTE: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_RCVLOWAT) /* POSIX */
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case SO_RCVLOWAT: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_SNDLOWAT) /* POSIX */
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case SO_SNDLOWAT: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_LINGER) /* POSIX */
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case SO_LINGER: if (inspect_linger(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_RCVTIMEO) /* POSIX */
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case SO_RCVTIMEO: if (inspect_timeval(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(SO_SNDTIMEO) /* POSIX */
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case SO_SNDTIMEO: if (inspect_timeval(level, optname, data, ret) == -1) goto dump; break;
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# endif
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default: goto dump;
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}
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break;
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# endif
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# if defined(IPPROTO_IPV6)
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case IPPROTO_IPV6:
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switch (optname) {
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/* IPV6_JOIN_GROUP ipv6_mreq, IPV6_LEAVE_GROUP ipv6_mreq */
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# if defined(IPV6_MULTICAST_HOPS) /* POSIX */
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case IPV6_MULTICAST_HOPS: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(IPV6_MULTICAST_IF) /* POSIX */
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case IPV6_MULTICAST_IF: if (inspect_uint(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(IPV6_MULTICAST_LOOP) /* POSIX */
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case IPV6_MULTICAST_LOOP: if (inspect_uint(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(IPV6_UNICAST_HOPS) /* POSIX */
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case IPV6_UNICAST_HOPS: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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# if defined(IPV6_V6ONLY) /* POSIX */
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case IPV6_V6ONLY: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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default: goto dump;
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}
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break;
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# endif
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# if defined(IPPROTO_TCP)
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case IPPROTO_TCP:
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switch (optname) {
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# if defined(TCP_NODELAY) /* POSIX */
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case TCP_NODELAY: if (inspect_int(level, optname, data, ret) == -1) goto dump; break;
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# endif
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default: goto dump;
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}
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break;
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# endif
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default:
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dump:
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data = rb_str_dump(data);
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rb_str_catf(ret, " %s", StringValueCStr(data));
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}
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rb_str_cat2(ret, ">");
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return ret;
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}
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static VALUE
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sockopt_unpack(VALUE self, VALUE template)
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{
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return rb_funcall(sockopt_data(self), rb_intern("unpack"), 1, template);
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}
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void
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Init_sockopt(void)
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{
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rb_cSockOpt = rb_define_class_under(rb_cSocket, "Option", rb_cObject);
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rb_define_method(rb_cSockOpt, "initialize", sockopt_initialize, 3);
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rb_define_method(rb_cSockOpt, "level", sockopt_level, 0);
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rb_define_method(rb_cSockOpt, "optname", sockopt_optname, 0);
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rb_define_method(rb_cSockOpt, "data", sockopt_data, 0);
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rb_define_method(rb_cSockOpt, "inspect", sockopt_inspect, 0);
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rb_define_singleton_method(rb_cSockOpt, "int", sockopt_s_int, 3);
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rb_define_method(rb_cSockOpt, "int", sockopt_int, 0);
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rb_define_method(rb_cSockOpt, "unpack", sockopt_unpack, 1);
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}
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