diff -r 15d8bb96b8d4 -r f18b5787c46c qmsk/net/socket/af_inet6.pyx --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/qmsk/net/socket/af_inet6.pyx Tue Aug 18 23:02:30 2009 +0300 @@ -0,0 +1,146 @@ +cimport qmsk.net.py as py + +cdef class sockaddr_in6 (sockaddr) : + + def __init__ (self, object addr=None, platform.in_port_t port=0, unsigned int scope_id = 0) : + """ + Construct using given literal IPv6 address and TCP/UDP port + + addr - IPv6 address, defaults to platform.in6addr_any (::) + port - TCP/UDP port, defaults to 0 (ephemeral) + scope_id - (optional) scope ID representing interface index for link-local addresses + """ + + # zero + libc.memset(&self.sockaddr, 0, sizeof(self.sockaddr)) + + # store our family + # XXX: this should be a class attribute... + self._init_family(platform.AF_INET6) + + # constant af + self.sockaddr.sin6_family = self.family + + # set the sin_port + self.sockaddr.sin6_port = platform.htons(port) + + if addr : + # set the sin_addr + # this automatically converts the addr from str -> char * + platform.inet_pton(self.family, addr, &self.sockaddr.sin6_addr) + + else : + # set as INADDR_ANY + self.sockaddr.sin6_addr = platform.in6addr_any + + # scope ID + self.sockaddr.sin6_scope_id = scope_id + + cdef int _get_sockaddr (self, platform.sockaddr **sa_ptr, platform.socklen_t *sa_len) except -1 : + if sa_ptr : + sa_ptr[0] = &self.sockaddr + + if sa_len : + sa_len[0] = sizeof(self.sockaddr) + + return 0 + + cdef int _set_sockaddr (self, platform.sockaddr *sa, size_t sa_len) except -1 : + assert sa_len == sizeof(self.sockaddr) + + libc.memcpy(&self.sockaddr, sa, sa_len) + + property port : + """ + The integer port number. + + This will represent it correctly in host byte order. + + >>> sockaddr_in6(port=1234).port + 1234 + """ + + def __get__ (self) : + return platform.ntohs(self.sockaddr.sin6_port) + + + property flowinfo : + """ + The integer flowinfo + + XXX: byteorder? + + >>> sockaddr_in6().flowinfo + 0 + """ + + def __get__ (self) : + return self.sockaddr.sin6_flowinfo + + + property scope_id : + """ + The scope ID - corresponds to an interface index for link-scope addresses. + + This should be in host byte order... + + >>> sockaddr_in6(scope_id=1337).scope_id + 1337 + """ + + def __get__ (self) : + return self.sockaddr.sin6_scope_id + + def __cmp__ (self, other_obj) : + """ + A sockaddr_in6 is equal to any other sockaddr_in6 which has the same addr, port and scope ID. + + XXX: flowinfo? + + XXX: A sockaddr_in6 is also equal to a sockaddr_in if the sockaddr_in6 represents the given v4-mapped address. + + >>> assert sockaddr_in6() == sockaddr_in6() + >>> assert sockaddr_in6('0:0:0::1', 80) == sockaddr_in6('::1', 80) + >>> assert sockaddr_in6('::127.0.0.1') == sockaddr_in('127.0.0.1') + """ + + if not isinstance(other_obj, sockaddr_in6) : + return py.Py_NotImplemented + + cdef sockaddr_in6 other = other_obj + cdef platform.sockaddr_in6 *sa1 = &self.sockaddr, *sa2 = &other.sockaddr + + if other is self : + return 0 + + return ( + libc.memcmp( &sa1.sin6_port, &sa2.sin6_port, sizeof(sa1.sin6_port)) + or libc.memcmp( &sa1.sin6_addr, &sa2.sin6_addr, sizeof(sa1.sin6_addr)) + or libc.memcmp( &sa1.sin6_scope_id, &sa2.sin6_scope_id, sizeof(sa1.sin6_scope_id)) + ) + + def __str__ (self) : + """ + Return the literal ASCII representation for this sockaddr as a '[]: string + + >>> str(sockaddr_in6()) + '[::]:0' + + >>> str(sockaddr_in6('2001:0::05:1')) + '[2001::5:1]' + + >>> str(sockaddr_in6('fe80::abcd', scope_id=5)) + '[fe80::abcd%5]' + """ + + addr, port = self.getnameinfo() + scope_id = self.scope_id + + # format with scope_id + return "[%s%s]:%s" % ( + addr, + "%%%d" % scope_id if scope_id else "", + port + ) + +