def SendOnNetid(self, version, s, dstaddr, dstport, netid, payload, cmsgs):
if netid is not None:
pktinfo = MakePktInfo(version, None, self.ifindices[netid])
cmsg_level, cmsg_name = {
4: (net_test.SOL_IP, csocket.IP_PKTINFO),
6: (net_test.SOL_IPV6, csocket.IPV6_PKTINFO)}[version]
cmsgs.append((cmsg_level, cmsg_name, pktinfo))
csocket.Sendmsg(s, (dstaddr, dstport), payload, cmsgs, csocket.MSG_CONFIRM)
def SendWithSourceAddress(self, address, netid, dest=net_test.IPV6_ADDR):
pktinfo = multinetwork_base.MakePktInfo(6, address, 0)
cmsgs = [(net_test.SOL_IPV6, IPV6_PKTINFO, pktinfo)]
s = self.BuildSocket(6, net_test.UDPSocket, netid, "mark")
return csocket.Sendmsg(s, (dest, 53), "Hello", cmsgs, 0)