def inet_ntoa(packed):
"packet 32-bits string -> IPv4 dotted string"
if len(packed) != sizeof(_c.in_addr):
raise RSocketError("packed IP wrong length for inet_ntoa")
buf = rffi.make(_c.in_addr)
try:
for i in range(sizeof(_c.in_addr)):
rffi.cast(rffi.CCHARP, buf)[i] = packed[i]
return rffi.charp2str(_c.inet_ntoa(buf))
finally:
lltype.free(buf, flavor='raw')
def inet_ntoa(packed):
"packet 32-bits string -> IPv4 dotted string"
if len(packed) != sizeof(_c.in_addr):
raise RSocketError("packed IP wrong length for inet_ntoa")
buf = rffi.make(_c.in_addr)
try:
for i in range(sizeof(_c.in_addr)):
rffi.cast(rffi.CCHARP, buf)[i] = packed[i]
return rffi.charp2str(_c.inet_ntoa(buf))
finally:
lltype.free(buf, flavor='raw')
def test_call_with_struct_argument(self):
# XXX is there such a function in the standard C headers?
from pypy.rlib import _rsocket_rffi
buf = rffi.make(_rsocket_rffi.in_addr)
rffi.cast(rffi.CCHARP, buf)[0] = '\x01'
rffi.cast(rffi.CCHARP, buf)[1] = '\x02'
rffi.cast(rffi.CCHARP, buf)[2] = '\x03'
rffi.cast(rffi.CCHARP, buf)[3] = '\x04'
p = _rsocket_rffi.inet_ntoa(buf)
assert rffi.charp2str(p) == '1.2.3.4'
lltype.free(buf, flavor='raw')
assert not ALLOCATED # detects memory leaks in the test
def test_call_with_struct_argument(self):
# XXX is there such a function in the standard C headers?
from pypy.rlib import _rsocket_rffi
buf = rffi.make(_rsocket_rffi.in_addr)
rffi.cast(rffi.CCHARP, buf)[0] = '\x01'
rffi.cast(rffi.CCHARP, buf)[1] = '\x02'
rffi.cast(rffi.CCHARP, buf)[2] = '\x03'
rffi.cast(rffi.CCHARP, buf)[3] = '\x04'
p = _rsocket_rffi.inet_ntoa(buf)
assert rffi.charp2str(p) == '1.2.3.4'
lltype.free(buf, flavor='raw')
assert not ALLOCATED # detects memory leaks in the test
def getnameinfo(address, flags):
if address.family != _c.AF_INET:
raise RSocketError("unknown address family")
sockaddr = address.lock(_c.sockaddr_in)
try:
sin_port = sockaddr.c_sin_port
sin_addr = sockaddr.c_sin_addr
v4a = rffi.cast(lltype.Unsigned, _c.ntohl(sin_addr.c_s_addr))
if (v4a & r_uint(0xf0000000) == r_uint(0xe0000000) or # IN_MULTICAST()
v4a & r_uint(0xe0000000)
== r_uint(0xe0000000)): # IN_EXPERIMENTAL()
flags |= NI_NUMERICHOST
# XXX Why does this work in CPython?
# v4a >>= 24 # = IN_CLASSA_NSHIFT
# if v4a in (0, 127): # = IN_LOOPBACKNET
# flags |= NI_NUMERICHOST
numsize = _c.INET_ADDRSTRLEN
serv = _getservicename(sin_port, flags)
if not (flags & NI_NUMERICHOST):
p = rffi.cast(rffi.VOIDP, sin_addr)
hostent = _c.gethostbyaddr(p, rffi.sizeof(_c.in_addr),
sockaddr.c_sin_family)
else:
hostent = None
if hostent:
from pypy.rlib.rsocket import gethost_common
host, _, _ = gethost_common("", hostent)
else:
host = rffi.charp2str(_c.inet_ntoa(sin_addr))
finally:
address.unlock()
return host, serv
def getnameinfo(address, flags):
if address.family != _c.AF_INET:
raise RSocketError("unknown address family")
sockaddr = address.lock(_c.sockaddr_in)
try:
sin_port = sockaddr.c_sin_port
sin_addr = sockaddr.c_sin_addr
v4a = rffi.cast(lltype.Unsigned, _c.ntohl(sin_addr.c_s_addr))
if (v4a & r_uint(0xf0000000) == r_uint(0xe0000000) or # IN_MULTICAST()
v4a & r_uint(0xe0000000) == r_uint(0xe0000000)): # IN_EXPERIMENTAL()
flags |= NI_NUMERICHOST
# XXX Why does this work in CPython?
# v4a >>= 24 # = IN_CLASSA_NSHIFT
# if v4a in (0, 127): # = IN_LOOPBACKNET
# flags |= NI_NUMERICHOST
numsize = _c.INET_ADDRSTRLEN
serv = _getservicename(sin_port, flags)
if not (flags & NI_NUMERICHOST):
p = rffi.cast(rffi.VOIDP, sin_addr)
hostent = _c.gethostbyaddr(p, rffi.sizeof(_c.in_addr),
sockaddr.c_sin_family)
else:
hostent = None
if hostent:
from pypy.rlib.rsocket import gethost_common
host, _, _ = gethost_common("", hostent)
else:
host = rffi.charp2str(_c.inet_ntoa(sin_addr))
finally:
address.unlock()
return host, serv