Method: Socket::AncillaryData#initialize

Defined in:

ancdata.c

#Socket::AncillaryData.new(family, cmsg_level, cmsg_type, cmsg_data) ⇒ Object

family should be an integer, a string or a symbol.

• Socket::AF_INET, “AF_INET”, “INET”, :AF_INET, :INET

• Socket::AF_UNIX, “AF_UNIX”, “UNIX”, :AF_UNIX, :UNIX

• etc.

cmsg_level should be an integer, a string or a symbol.

• Socket::SOL_SOCKET, “SOL_SOCKET”, “SOCKET”, :SOL_SOCKET and :SOCKET

• Socket::IPPROTO_IP, “IP” and :IP

• Socket::IPPROTO_IPV6, “IPV6” and :IPV6

• Socket::IPPROTO_TCP, “TCP” and :TCP

• etc.

cmsg_type should be an integer, a string or a symbol. If a string/symbol is specified, it is interpreted depend on cmsg_level.

• Socket::SCM_RIGHTS, “SCM_RIGHTS”, “RIGHTS”, :SCM_RIGHTS, :RIGHTS for SOL_SOCKET

• Socket::IP_RECVTTL, “RECVTTL” and :RECVTTL for IPPROTO_IP

• Socket::IPV6_PKTINFO, “PKTINFO” and :PKTINFO for IPPROTO_IPV6

• etc.

cmsg_data should be a string.

p Socket::AncillaryData.new(:INET, :TCP, :NODELAY, "")
#=> #<Socket::AncillaryData: INET TCP NODELAY "">

p Socket::AncillaryData.new(:INET6, :IPV6, :PKTINFO, "")
#=> #<Socket::AncillaryData: INET6 IPV6 PKTINFO "">

# File 'ancdata.c', line 74

static VALUE
ancillary_initialize(VALUE self, VALUE vfamily, VALUE vlevel, VALUE vtype, VALUE data)
{
    int family = rsock_family_arg(vfamily);
    int level = rsock_level_arg(family, vlevel);
    int type = rsock_cmsg_type_arg(family, level, vtype);
    StringValue(data);
    rb_ivar_set(self, rb_intern("family"), INT2NUM(family));
    rb_ivar_set(self, rb_intern("level"), INT2NUM(level));
    rb_ivar_set(self, rb_intern("type"), INT2NUM(type));
    rb_ivar_set(self, rb_intern("data"), data);
    return self;
}