def get_ifindex_from_ifname(fd, ifname):
p = lltype.malloc(_c.ifreq, flavor="raw")
iflen = rffi.str2chararray(ifname, rffi.cast(rffi.CCHARP, p.c_ifr_name), PacketAddress.ifr_name_size - 1)
p.c_ifr_name[iflen] = "\0"
err = _c.ioctl(fd, _c.SIOCGIFINDEX, p)
ifindex = p.c_ifr_ifindex
lltype.free(p, flavor="raw")
if err != 0:
raise RSocketError("invalid interface name")
return ifindex
def get_ifname(self, fd):
ifname = ""
a = self.lock(_c.sockaddr_ll)
ifindex = rffi.getintfield(a, "c_sll_ifindex")
if ifindex:
p = lltype.malloc(_c.ifreq, flavor="raw")
rffi.setintfield(p, "c_ifr_ifindex", ifindex)
if _c.ioctl(fd, _c.SIOCGIFNAME, p) == 0:
ifname = rffi.charp2strn(rffi.cast(rffi.CCHARP, p.c_ifr_name), PacketAddress.ifr_name_size)
lltype.free(p, flavor="raw")
self.unlock()
return ifname
def get_ifname(self, fd):
a = self.lock(_c.sockaddr_ll)
p = lltype.malloc(_c.ifreq, flavor='raw')
rffi.setintfield(p, 'c_ifr_ifindex',
rffi.getintfield(a, 'c_sll_ifindex'))
if (_c.ioctl(fd, _c.SIOCGIFNAME, p) == 0):
# eh, the iface name is a constant length array
i = 0
d = []
while p.c_ifr_name[i] != '\x00' and i < len(p.c_ifr_name):
d.append(p.c_ifr_name[i])
i += 1
ifname = ''.join(d)
else:
ifname = ""
lltype.free(p, flavor='raw')
self.unlock()
return ifname
def get_ifname(self, fd):
a = self.lock(_c.sockaddr_ll)
p = lltype.malloc(_c.ifreq, flavor='raw')
rffi.setintfield(p, 'c_ifr_ifindex',
rffi.getintfield(a, 'c_sll_ifindex'))
if (_c.ioctl(fd, _c.SIOCGIFNAME, p) == 0):
# eh, the iface name is a constant length array
i = 0
d = []
while p.c_ifr_name[i] != '\x00' and i < len(p.c_ifr_name):
d.append(p.c_ifr_name[i])
i += 1
ifname = ''.join(d)
else:
ifname = ""
lltype.free(p, flavor='raw')
self.unlock()
return ifname