func TestParseInterfaceStanzaStaticPostUp(t *testing.T) {
options := []string{
"address 192.168.1.100",
"netmask 255.255.255.0",
"post-up route add gw 192.168.1.1 -net 192.168.1.0 netmask 255.255.255.0",
}
expect := []route{
{
destination: net.IPNet{
IP: net.IPv4(192, 168, 1, 0),
Mask: net.IPv4Mask(255, 255, 255, 0),
},
gateway: net.IPv4(192, 168, 1, 1),
},
}
iface, err := parseInterfaceStanza([]string{"eth", "inet", "static"}, options)
if err != nil {
t.FailNow()
}
static, ok := iface.configMethod.(configMethodStatic)
if !ok {
t.FailNow()
}
if !reflect.DeepEqual(static.routes, expect) {
t.FailNow()
}
}
func newGogopbLog(record *gogopb.Log) {
record.Timestamp = time.Now().UnixNano()
record.ZoneId = 123456
record.ZonePlan = gogopb.ZonePlan_FREE
record.Http = gogopb.HTTP{
Protocol: gogopb.HTTP_HTTP11,
Status: 200,
HostStatus: 503,
UpStatus: 520,
Method: gogopb.HTTP_GET,
ContentType: "text/html",
UserAgent: userAgent,
Referer: "https://www.cloudflare.com/",
RequestURI: "/cdn-cgi/trace",
}
record.Origin = gogopb.Origin{
Ip: gogopb.IP(net.IPv4(1, 2, 3, 4).To4()),
Port: 8080,
Hostname: "www.example.com",
Protocol: gogopb.Origin_HTTPS,
}
record.Country = gogopb.Country_US
record.CacheStatus = gogopb.CacheStatus_HIT
record.ServerIp = gogopb.IP(net.IPv4(192, 168, 1, 1).To4())
record.ServerName = "metal.cloudflare.com"
record.RemoteIp = gogopb.IP(net.IPv4(10, 1, 2, 3).To4())
record.BytesDlv = 123456
record.RayId = "10c73629cce30078-LAX"
}
// ParseHeader parses b as an IPv4 header.
func ParseHeader(b []byte) (*Header, error) {
if len(b) < HeaderLen {
return nil, errHeaderTooShort
}
hdrlen := (int(b[0]) & 0x0f) << 2
if hdrlen > len(b) {
return nil, errBufferTooShort
}
h := &Header{}
h.Version = int(b[0] >> 4)
h.Len = hdrlen
h.TOS = int(b[posTOS])
if supportsNewIPInput {
h.TotalLen = int(b[posTotalLen])<<8 | int(b[posTotalLen+1])
h.FragOff = int(b[posFragOff])<<8 | int(b[posFragOff+1])
} else {
h.TotalLen = int(*(*uint16)(unsafe.Pointer(&b[posTotalLen : posTotalLen+1][0])))
h.TotalLen += hdrlen
h.FragOff = int(*(*uint16)(unsafe.Pointer(&b[posFragOff : posFragOff+1][0])))
}
h.ID = int(b[posID])<<8 | int(b[posID+1])
h.TTL = int(b[posTTL])
h.Protocol = int(b[posProtocol])
h.Checksum = int(b[posChecksum])<<8 | int(b[posChecksum+1])
h.Src = net.IPv4(b[posSrc], b[posSrc+1], b[posSrc+2], b[posSrc+3])
h.Dst = net.IPv4(b[posDst], b[posDst+1], b[posDst+2], b[posDst+3])
if hdrlen-HeaderLen > 0 {
h.Options = make([]byte, hdrlen-HeaderLen)
copy(h.Options, b[HeaderLen:])
}
return h, nil
}
func TestStickyLoadBalanaceWorksWithMultipleEndpointsStickyNone(t *testing.T) {
client1 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0}
client2 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 2), Port: 0}
client3 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 3), Port: 0}
loadBalancer := NewLoadBalancerRR()
service := ServicePortName{types.NamespacedName{"testnamespace", "foo"}, ""}
endpoint, err := loadBalancer.NextEndpoint(service, nil)
if err == nil || len(endpoint) != 0 {
t.Errorf("Didn't fail with non-existent service")
}
loadBalancer.NewService(service, api.AffinityTypeNone, 0)
endpoints := make([]api.Endpoints, 1)
endpoints[0] = api.Endpoints{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{
{
Addresses: []api.EndpointAddress{{IP: "endpoint"}},
Ports: []api.EndpointPort{{Port: 1}, {Port: 2}, {Port: 3}},
},
},
}
loadBalancer.OnUpdate(endpoints)
shuffledEndpoints := loadBalancer.services[service].endpoints
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[2], client2)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client2)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client3)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[2], client3)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client1)
}
func testIPs() (output []net.IP) {
output = append(output, net.IPv4(127, 0, 1, 2))
output = append(output, net.IPv4(128, 0, 1, 2))
output = append(output, net.IPv4(129, 0, 1, 2))
output = append(output, net.IPv4(130, 0, 1, 2))
return output
}
func TestUDPWriteError(t *testing.T) {
frontendAddr := &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0}
// Hopefully, this port will be free: */
backendAddr := &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 25587}
proxy, err := NewProxy(frontendAddr, backendAddr)
if err != nil {
t.Fatal(err)
}
defer proxy.Close()
go proxy.Run()
client, err := net.Dial("udp", "127.0.0.1:25587")
if err != nil {
t.Fatalf("Can't connect to the proxy: %v", err)
}
defer client.Close()
// Make sure the proxy doesn't stop when there is no actual backend:
client.Write(testBuf)
client.Write(testBuf)
backend := NewEchoServer(t, "udp", "127.0.0.1:25587")
defer backend.Close()
backend.Run()
client.SetDeadline(time.Now().Add(10 * time.Second))
if _, err = client.Write(testBuf); err != nil {
t.Fatal(err)
}
recvBuf := make([]byte, testBufSize)
if _, err = client.Read(recvBuf); err != nil {
t.Fatal(err)
}
if !bytes.Equal(testBuf, recvBuf) {
t.Fatal(fmt.Errorf("Expected [%v] but got [%v]", testBuf, recvBuf))
}
}
func ReadMessage(c *net.UDPConn) (msg *Message, src net.Addr, err os.Error) {
buff := make([]byte, DHCP_MAX_LEN)
//log.Printf("Waiting for read")
n, src, err := c.ReadFromUDP(buff)
if err != nil {
return
}
if n < DHCP_MIN_LEN {
err = os.NewError("Invalid DHCP messge received (too small)")
return
}
buff = buff[0:n]
msg = &Message{
Operation: buff[0],
HardwareType: buff[1],
HardwareLen: buff[2],
Hops: buff[3],
Xid: binary.LittleEndian.Uint32(buff[4:8]),
Secs: binary.LittleEndian.Uint16(buff[8:10]),
Flags: binary.LittleEndian.Uint16(buff[10:12]),
ClientIP: net.IPv4(buff[12], buff[13], buff[14], buff[15]),
YourIP: net.IPv4(buff[16], buff[17], buff[18], buff[19]),
ServerIP: net.IPv4(buff[20], buff[21], buff[22], buff[23]),
GatewayIP: net.IPv4(buff[24], buff[25], buff[26], buff[27]),
}
copy(msg.ClientHWAddr[0:16], buff[28:44])
// We skip the magic bytes and assume for now.
msg.Options, err = ParseOptions(buff[DHCP_MIN_LEN+4:])
//log.Printf("Parsed %d options.", len(msg.Options))
// TODO: Handle Option 52 extensions.
return
}
func TestFetchHypervisors(t *testing.T) {
// Setup
f := NewFetcher("http://127.0.0.1:4001")
defer testhelper.Cleanup(f.etcdClient)
// Create supporting objects
n, err := testhelper.NewNetwork(f.context)
h.Ok(t, err)
s, err := testhelper.NewSubnet(f.context, "10.10.10.0/24", net.IPv4(10, 10, 10, 1), net.IPv4(10, 10, 10, 10), net.IPv4(10, 10, 10, 250), n)
h.Ok(t, err)
// Create two hypervisors
h1, err := testhelper.NewHypervisor(f.context, "de:ad:be:ef:7f:21", net.IPv4(192, 168, 100, 200), net.IPv4(192, 168, 100, 1), net.IPv4(255, 255, 255, 0), "br0", s)
h.Ok(t, err)
h2, err := testhelper.NewHypervisor(f.context, "de:ad:be:ef:7f:23", net.IPv4(192, 168, 100, 203), net.IPv4(192, 168, 100, 1), net.IPv4(255, 255, 255, 0), "br0", s)
h.Ok(t, err)
// Fetch and make sure they're present
hvs, err := f.Hypervisors()
h.Ok(t, err)
if _, ok := hvs[h1.ID]; !ok {
t.Error("Hypervisor #1 is missing from list")
}
h.Equals(t, hvs[h1.ID].MAC.String(), "de:ad:be:ef:7f:21")
if _, ok := hvs[h2.ID]; !ok {
t.Error("Hypervisor #2 is missing from list")
}
h.Equals(t, hvs[h2.ID].MAC.String(), "de:ad:be:ef:7f:23")
}
func TestFetchSubnets(t *testing.T) {
// Setup
f := NewFetcher("http://127.0.0.1:4001")
defer testhelper.Cleanup(f.etcdClient)
// Create supporting object
n, err := testhelper.NewNetwork(f.context)
h.Ok(t, err)
// Create two subnets
s1, err := testhelper.NewSubnet(f.context, "10.10.10.0/24", net.IPv4(10, 10, 10, 1), net.IPv4(10, 10, 10, 10), net.IPv4(10, 10, 10, 250), n)
h.Ok(t, err)
s2, err := testhelper.NewSubnet(f.context, "12.12.12.0/24", net.IPv4(12, 12, 12, 1), net.IPv4(12, 12, 12, 12), net.IPv4(12, 12, 12, 250), n)
h.Ok(t, err)
// Fetch and make sure they're present
ss, err := f.Subnets()
h.Ok(t, err)
if _, ok := ss[s1.ID]; !ok {
t.Error("Subnet #1 is missing from list")
}
h.Equals(t, ss[s1.ID].CIDR.String(), "10.10.10.0/24")
if _, ok := ss[s2.ID]; !ok {
t.Error("Subnet #2 is missing from list")
}
h.Equals(t, ss[s2.ID].CIDR.String(), "12.12.12.0/24")
}
func main() {
flag.Parse()
lwipv6.Initialize(0)
defer lwipv6.Finish()
intf := lwipv6.CreateInterface(lwipv6.IF_VDE, *socket, 0)
if intf == nil {
log.Fatalln("Interface setup failed to:", *socket)
}
ip := net.IPv4(192, 168, 123, 2)
mask := net.IPMask(net.IPv4(255, 255, 255, 0))
if intf.AddAddress(net.IPNet{ip, mask}) != 0 {
log.Fatalln("Adding address failed.")
}
if intf.IfUp(0) != 0 {
log.Fatalln("Failed bringing interface up")
}
fmt.Println("Interface up successfully! Press any key to exit.")
var input string
fmt.Scanln(&input)
fmt.Println("Exiting.")
}
func TestStickyLoadBalanaceWorksWithMultipleEndpointsStickyNone(t *testing.T) {
client1 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0}
client2 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 2), Port: 0}
client3 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 3), Port: 0}
loadBalancer := NewLoadBalancerRR()
endpoint, err := loadBalancer.NextEndpoint("foo", nil)
if err == nil || len(endpoint) != 0 {
t.Errorf("Didn't fail with non-existent service")
}
loadBalancer.NewService("foo", api.AffinityTypeNone, 0)
endpoints := make([]api.Endpoints, 1)
endpoints[0] = api.Endpoints{
ObjectMeta: api.ObjectMeta{Name: "foo"},
Endpoints: []string{"endpoint:1", "endpoint:2", "endpoint:3"},
}
loadBalancer.OnUpdate(endpoints)
expectEndpoint(t, loadBalancer, "foo", "endpoint:1", client1)
expectEndpoint(t, loadBalancer, "foo", "endpoint:2", client1)
expectEndpoint(t, loadBalancer, "foo", "endpoint:3", client2)
expectEndpoint(t, loadBalancer, "foo", "endpoint:1", client2)
expectEndpoint(t, loadBalancer, "foo", "endpoint:2", client3)
expectEndpoint(t, loadBalancer, "foo", "endpoint:3", client3)
expectEndpoint(t, loadBalancer, "foo", "endpoint:1", client1)
expectEndpoint(t, loadBalancer, "foo", "endpoint:2", client1)
}
func (s *MachinerSuite) TestMachineAddresses(c *gc.C) {
s.PatchValue(machiner.InterfaceAddrs, func() ([]net.Addr, error) {
addrs := []net.Addr{
&net.IPAddr{IP: net.IPv4(10, 0, 0, 1)},
&net.IPAddr{IP: net.IPv4(127, 0, 0, 1)},
&net.IPAddr{IP: net.IPv6loopback},
&net.UnixAddr{}, // not IP, ignored
&net.IPNet{IP: net.ParseIP("2001:db8::1")},
&net.IPAddr{IP: net.IPv4(169, 254, 1, 20)}, // LinkLocal Ignored
&net.IPNet{IP: net.ParseIP("fe80::1")}, // LinkLocal Ignored
}
return addrs, nil
})
mr := s.makeMachiner()
defer worker.Stop(mr)
c.Assert(s.machine.Destroy(), gc.IsNil)
s.State.StartSync()
c.Assert(mr.Wait(), gc.Equals, worker.ErrTerminateAgent)
c.Assert(s.machine.Refresh(), gc.IsNil)
c.Assert(s.machine.MachineAddresses(), jc.DeepEquals, []network.Address{
network.NewAddress("2001:db8::1", network.ScopeUnknown),
network.NewAddress("::1", network.ScopeMachineLocal),
network.NewAddress("10.0.0.1", network.ScopeCloudLocal),
network.NewAddress("127.0.0.1", network.ScopeMachineLocal),
})
}
func TestInitiateHandshakes(t *testing.T) {
Convey("Sends out handshake request to every IP in list", t, func() {
s := NewBTService(port, []byte(peerIDRemote))
mc := NewMockConnectionFetcher()
s.ConnectionFetcher = mc
s.AddHash(hash)
_ = s.StartListening()
// TODO: check that peer data is saved within service data structure
peers := make([]structure.Peer, 2)
peers[0] = structure.Peer{IP: net.IPv4(192, 168, 1, 1), Port: 55556}
peers[1] = structure.Peer{IP: net.IPv4(192, 168, 1, 2), Port: 55557}
s.InitiateHandshakes(hash, peers)
for _, p := range peers {
c0 := mc.Conns[p.AddrString()].Conn.(*MockConnection)
hs, err := structure.ReadHandshake(bytes.NewReader(<-c0.ReceiveBytesChan))
So(hs, ShouldNotBeNil)
So(err, ShouldBeNil)
hs, _ = structure.NewHandshake(hash, []byte(peerIDClient))
c0.SendMessage(hs)
}
time.Sleep(time.Millisecond)
So(len(s.Peers), ShouldEqual, len(peers))
_ = s.StopListening()
time.Sleep(time.Millisecond)
So(s.Listening, ShouldBeFalse)
})
}
func BenchmarkSummarizeIPv4(b *testing.B) {
fip, lip := net.IPv4(172, 16, 1, 1), net.IPv4(172, 16, 255, 255)
for i := 0; i < b.N; i++ {
ipaddr.Summarize(fip, lip)
}
}
func TestIcmpIsLocalIp(t *testing.T) {
icmp := Icmp{localIps: []net.IP{net.IPv4(192, 168, 0, 1), net.IPv4(192, 168, 0, 2)}}
assert.True(t, icmp.isLocalIp(net.IPv4(127, 0, 0, 1)), "loopback IP")
assert.True(t, icmp.isLocalIp(net.IPv4(192, 168, 0, 1)), "local IP")
assert.False(t, icmp.isLocalIp(net.IPv4(10, 0, 0, 1)), "remote IP")
}
func (r *Match) UnmarshalBinary(data []byte) error {
if len(data) < 40 {
return openflow.ErrInvalidPacketLength
}
r.wildcards = new(Wildcard)
if err := r.wildcards.UnmarshalBinary(data[0:4]); err != nil {
return err
}
r.inPort = binary.BigEndian.Uint16(data[4:6])
r.srcMAC = make(net.HardwareAddr, 6)
copy(r.srcMAC, data[6:12])
r.dstMAC = make(net.HardwareAddr, 6)
copy(r.dstMAC, data[12:18])
r.vlanID = binary.BigEndian.Uint16(data[18:20])
r.vlanPriority = data[20]
// data[21] = padding
r.etherType = binary.BigEndian.Uint16(data[22:24])
r.protocol = data[25]
// data[26:28] = padding
r.srcIP = net.IPv4(data[28], data[29], data[30], data[31])
r.dstIP = net.IPv4(data[32], data[33], data[34], data[35])
r.srcPort = binary.BigEndian.Uint16(data[36:38])
r.dstPort = binary.BigEndian.Uint16(data[38:40])
return nil
}
func (p *Packet) parseIPv4() (err error) {
p.Protocol = p.Payload[9]
srcIP := p.Payload[12:16]
dstIP := p.Payload[16:20]
p.Header.SrcIP = net.IPv4(srcIP[0], srcIP[1], srcIP[2], srcIP[3])
p.Header.DstIP = net.IPv4(dstIP[0], dstIP[1], dstIP[2], dstIP[3])
p.HeaderLen = uint8(p.Payload[0]) & 0x0F
p.Length = uint16(binary.BigEndian.Uint16(p.Data[2:4]))
pEnd := int(p.Length)
if pEnd > len(p.Payload) {
pEnd = len(p.Payload)
}
if len(p.Payload) <= int(p.HeaderLen)*4 || int(p.HeaderLen)*4 > pEnd {
return errors.New("Packet is smaller than header.")
}
p.Payload = p.Payload[p.HeaderLen*4 : pEnd]
switch p.Protocol {
case IP_TCP:
err = p.parseTCP()
case IP_UDP:
err = p.parseUDP()
case IP_ICMP:
err = p.parseICMP()
default:
fmt.Printf("Unknown IP packet type of %v\n", p.Protocol)
err = p.parseGeneric()
}
return err
}
func validateRoutes(t *testing.T, routes []plugin.Route) {
expected := []plugin.Route{
plugin.Route{
Dst: net.IPNet{
IP: net.IPv4(10, 0, 0, 0),
Mask: net.CIDRMask(8, 32),
},
GW: net.IPv4(10, 1, 2, 3),
},
plugin.Route{
Dst: net.IPNet{
IP: net.IPv4(192, 168, 1, 0),
Mask: net.CIDRMask(24, 32),
},
GW: net.IPv4(192, 168, 2, 3),
},
}
if len(routes) != len(expected) {
t.Fatalf("wrong length slice; expected %v, got %v", len(expected), len(routes))
}
for i := 0; i < len(routes); i++ {
a := routes[i]
e := expected[i]
if a.Dst.String() != e.Dst.String() {
t.Errorf("route.Dst mismatch: expected %v, got %v", e.Dst, a.Dst)
}
if !a.GW.Equal(e.GW) {
t.Errorf("route.GW mismatch: expected %v, got %v", e.GW, a.GW)
}
}
}
func (mapper *PortMapper) Map(port int, backendAddr net.Addr) error {
if _, isTCP := backendAddr.(*net.TCPAddr); isTCP {
backendPort := backendAddr.(*net.TCPAddr).Port
backendIP := backendAddr.(*net.TCPAddr).IP
if err := mapper.iptablesForward("-A", port, "tcp", backendIP.String(), backendPort); err != nil {
return err
}
mapper.tcpMapping[port] = backendAddr.(*net.TCPAddr)
proxy, err := NewProxy(&net.TCPAddr{IP: net.IPv4(0, 0, 0, 0), Port: port}, backendAddr)
if err != nil {
mapper.Unmap(port, "tcp")
return err
}
mapper.tcpProxies[port] = proxy
go proxy.Run()
} else {
backendPort := backendAddr.(*net.UDPAddr).Port
backendIP := backendAddr.(*net.UDPAddr).IP
if err := mapper.iptablesForward("-A", port, "udp", backendIP.String(), backendPort); err != nil {
return err
}
mapper.udpMapping[port] = backendAddr.(*net.UDPAddr)
proxy, err := NewProxy(&net.UDPAddr{IP: net.IPv4(0, 0, 0, 0), Port: port}, backendAddr)
if err != nil {
mapper.Unmap(port, "udp")
return err
}
mapper.udpProxies[port] = proxy
go proxy.Run()
}
return nil
}
/*
* Example Server :D
*/
func ExampleServer() {
//Create a Lease Pool We're going to use a memory pool
//Remember the memory is cleared on restart so you will reissue the same IP Addresses.
myMemoryLeasePool := memorypool.MemoryPool{}
//Lets add a list of IPs to the pool these will be served to the clients so make sure they work for you.
// So Create Array of IPs 192.168.1.1 to 192.168.1.30
for i := 0; i < 30; i++ {
err := myMemoryLeasePool.AddLease(leasepool.Lease{IP: dhcp4.IPAdd(net.IPv4(192, 168, 1, 1), i)})
if err != nil {
log.Fatalln("Error Adding IP to pool:" + err.Error())
}
}
// We set the port numbers to over 1024 (1067 & 1068) as the automated test don't have root access
tServer, err := dhcp4server.New(
net.IPv4(192, 168, 1, 201),
&myMemoryLeasePool,
dhcp4server.SetLocalAddr(net.UDPAddr{IP: net.IPv4(0, 0, 0, 0), Port: 1067}),
dhcp4server.SetRemoteAddr(net.UDPAddr{IP: net.IPv4bcast, Port: 1068}),
)
if err != nil {
log.Fatalln("Error Configuring Server:" + err.Error())
}
//Start the Server...
err = tServer.ListenAndServe()
if err != nil {
log.Fatalln("Error Starting Server:" + err.Error())
}
}
// Test that originalClientIP reads the Meek-IP and X-Forwarded-For headers if
// present.
func TestOriginalClientXForwardedFor(t *testing.T) {
tests := []struct {
XForwardedFor string
Expected net.IP
}{
{"", nil},
{"1.2.3.4", net.IPv4(1, 2, 3, 4)},
{"1:2::3:4", net.IP{0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 4}},
{"1.2.3.4,1:2::3:4", net.IPv4(1, 2, 3, 4)},
{"1.2.3.4, 1:2::3:4", net.IPv4(1, 2, 3, 4)},
{"1:2::3:4, 1.2.3.4", net.IP{0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 4}},
// Bad syntax.
{"xyz", nil},
{"1.2.3.4:1234", nil},
// Only try to parse the first element
{"1.2.3.4, xyz", net.IPv4(1, 2, 3, 4)},
{"1.2.3.4,,,", net.IPv4(1, 2, 3, 4)},
{"xyz, 1.2.3.4", nil},
// X-Forwarded-For doesn't use square brackets on IPv6.
{"[1:2::3:4]", nil},
{"[1:2::3:4]:1234", nil},
}
for _, test := range tests {
req := &http.Request{
Header: make(http.Header),
}
req.Header.Set("Meek-IP", test.XForwardedFor)
checkExpected(t, req, test.Expected)
req.Header.Set("X-Forwarded-For", test.XForwardedFor)
checkExpected(t, req, test.Expected)
}
}
func parse_sockaddr(sa syscall.Sockaddr) (ipaddr net.IP, port int) {
switch sa := sa.(type) {
case *syscall.SockaddrInet4:
return net.IPv4(sa.Addr[0], sa.Addr[1], sa.Addr[2], sa.Addr[3]), sa.Port
}
return net.IPv4(0, 0, 0, 0), 0
}
func TestAssociatePGPackets(t *testing.T) {
metric := &metrics.QueryMetric{
Query: "select * from table",
QueryNetUniqueIDs: []*metrics.QueryNetUniqueID{
&metrics.QueryNetUniqueID{
SrcIP: net.IPv4(111, 111, 111, 111),
Syn: uint32(43212),
},
},
}
combinedQueryMetrics := metrics.NewQueryMetrics()
combinedQueryMetrics.Add(metric)
responses := []*ResponsePacket{
&ResponsePacket{
DstIP: net.IPv4(111, 111, 111, 111),
Ack: uint32(43212),
Size: uint64(1000),
},
&ResponsePacket{
DstIP: net.IPv4(111, 111, 111, 111),
Ack: uint32(43212),
Size: uint64(1000),
},
}
AssociatePGPackets(combinedQueryMetrics, responses)
assert.Equal(t, uint64(2), combinedQueryMetrics.List[0].TotalResponsePackets)
assert.Equal(t, uint64(2000), combinedQueryMetrics.List[0].TotalNetworkLoad)
}
func ipvsAddService(done chan bool, service, dests int) {
ncc := client.NewNCC(*nccSocket)
if err := ncc.Dial(); err != nil {
log.Fatalf("Failed to connect to NCC: %v", err)
}
defer ncc.Close()
svc := &ipvs.Service{
Address: net.IPv4(1, 1, 1, 1),
Protocol: syscall.IPPROTO_TCP,
Port: uint16(10000 + service),
Scheduler: "wlc",
}
if err := ncc.IPVSAddService(svc); err != nil {
log.Fatalf("Failed to add IPVS service: %v", err)
}
for i := 0; i < dests; i++ {
dst := &ipvs.Destination{
Address: net.IPv4(1, 1, 1, byte(i+2)),
Port: uint16(10000 + service),
Flags: ipvs.DFForwardRoute,
Weight: 1,
}
if err := ncc.IPVSAddDestination(svc, dst); err != nil {
log.Fatalf("Failed to add IPVS destination: %v", err)
}
}
done <- true
}
func newPbLog(record *pb.Log) {
record.Timestamp = proto.Int64(time.Now().UnixNano())
record.ZoneId = proto.Uint32(123456)
record.ZonePlan = pb.ZonePlan_FREE.Enum()
record.Http = &pb.HTTP{
Protocol: pb.HTTP_HTTP11.Enum(),
Status: proto.Uint32(200),
HostStatus: proto.Uint32(503),
UpStatus: proto.Uint32(520),
Method: pb.HTTP_GET.Enum(),
ContentType: proto.String("text/html"),
UserAgent: proto.String(userAgent),
Referer: proto.String("https://www.cloudflare.com/"),
RequestURI: proto.String("/cdn-cgi/trace"),
}
record.Origin = &pb.Origin{
Ip: []byte(net.IPv4(1, 2, 3, 4).To4()),
Port: proto.Uint32(8080),
Hostname: proto.String("www.example.com"),
Protocol: pb.Origin_HTTPS.Enum(),
}
record.Country = pb.Country_US.Enum()
record.CacheStatus = pb.CacheStatus_HIT.Enum()
record.ServerIp = []byte(net.IPv4(192, 168, 1, 1).To4())
record.ServerName = proto.String("metal.cloudflare.com")
record.RemoteIp = []byte(net.IPv4(10, 1, 2, 3).To4())
record.BytesDlv = proto.Uint64(123456)
record.RayId = proto.String("10c73629cce30078-LAX")
}
func TestTuples_tuples_ipv4(t *testing.T) {
assert := assert.New(t)
var tuple IPPortTuple
// from net/ip.go
var v4InV6Prefix = []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff}
tuple = NewIPPortTuple(4, net.IPv4(192, 168, 0, 1), 9200, net.IPv4(192, 168, 0, 2), 9201)
assert.Equal(v4InV6Prefix, tuple.raw[0:12], "prefix_src")
assert.Equal([]byte{192, 168, 0, 1}, tuple.raw[12:16], "src_ip")
assert.Equal([]byte{0x23, 0xf0}, tuple.raw[16:18], "src_port")
assert.Equal(v4InV6Prefix, tuple.raw[18:30], "prefix_dst")
assert.Equal([]byte{192, 168, 0, 2}, tuple.raw[30:34], "dst_ip")
assert.Equal([]byte{0x23, 0xf1}, tuple.raw[34:36], "dst_port")
assert.Equal(36, len(tuple.raw))
assert.Equal(v4InV6Prefix, tuple.revRaw[0:12], "rev prefix_dst")
assert.Equal([]byte{192, 168, 0, 2}, tuple.revRaw[12:16], "rev dst_ip")
assert.Equal([]byte{0x23, 0xf1}, tuple.revRaw[16:18], "rev dst_port")
assert.Equal(v4InV6Prefix, tuple.revRaw[18:30], "rev prefix_src")
assert.Equal([]byte{192, 168, 0, 1}, tuple.revRaw[30:34], "rev src_ip")
assert.Equal([]byte{0x23, 0xf0}, tuple.revRaw[34:36], "rev src_port")
assert.Equal(36, len(tuple.revRaw))
tcpTuple := TCPTupleFromIPPort(&tuple, 1)
assert.Equal(tuple.raw[:], tcpTuple.raw[0:36], "Wrong TCP tuple hashable")
assert.Equal([]byte{0, 0, 0, 1}, tcpTuple.raw[36:40], "stream_id")
}
func newCapnpLog(record *capnp.Log) {
record.SetTimestamp(time.Now().UnixNano())
record.SetZoneId(123456)
record.SetZonePlan(capnp.ZONEPLAN_FREE)
http := capnp.NewHTTP(record.Segment)
record.SetHttp(http)
http.SetProtocol(capnp.HTTPPROTOCOL_HTTP11)
http.SetStatus(200)
http.SetHostStatus(503)
http.SetUpStatus(520)
http.SetMethod(capnp.HTTPMETHOD_GET)
http.SetContentType("text/html")
http.SetUserAgent(userAgent)
http.SetReferer("http://www.w3.org/hypertext/DataSources/Overview.html")
http.SetRequestURI("/a9pPJR1.jpg")
origin := capnp.NewOrigin(record.Segment)
record.SetOrigin(origin)
origin.SetIp([]byte(net.IPv4(1, 2, 3, 4).To4()))
origin.SetPort(8080)
origin.SetHostname("www.cloudflare.com")
origin.SetProtocol(capnp.ORIGINPROTOCOL_HTTPS)
record.SetCacheStatus(capnp.CACHESTATUS_HIT)
record.SetServerIp([]byte(net.IPv4(192, 168, 1, 1).To4()))
record.SetServerName("metal.cloudflare.com")
record.SetRemoteIp([]byte(net.IPv4(10, 1, 2, 3).To4()))
record.SetBytesDlv(123456)
record.SetRayId("10c73629cce30078-LAX")
}
func TestAddIP(t *testing.T) {
addIPTests := []struct {
host string
addr *net.IPAddr
expect bool
}{
{host: "127.0.0.1", addr: &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}, expect: true},
{host: "localhost", addr: &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}, expect: false},
}
p := NewPinger()
for _, tt := range addIPTests {
if ok := p.AddIP(tt.host); ok != nil {
if tt.expect != false {
t.Errorf("AddIP failed: got %v, expected %v", ok, tt.expect)
}
}
}
for _, tt := range addIPTests {
if tt.expect {
if !p.addrs[tt.host].IP.Equal(tt.addr.IP) {
t.Errorf("AddIP didn't save IPAddr: %v", tt.host)
}
}
}
}
func TestStickyLoadBalanceWorksWithMultipleEndpointsAndUpdates(t *testing.T) {
client1 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0}
client2 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 2), Port: 0}
client3 := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 3), Port: 0}
loadBalancer := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "foo"}, Port: ""}
endpoint, err := loadBalancer.NextEndpoint(service, nil, false)
if err == nil || len(endpoint) != 0 {
t.Errorf("Didn't fail with non-existent service")
}
loadBalancer.NewService(service, api.ServiceAffinityClientIP, 0)
endpoints := make([]api.Endpoints, 1)
endpoints[0] = api.Endpoints{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{
{
Addresses: []api.EndpointAddress{{IP: "endpoint"}},
Ports: []api.EndpointPort{{Port: 1}, {Port: 2}, {Port: 3}},
},
},
}
loadBalancer.OnEndpointsUpdate(endpoints)
shuffledEndpoints := loadBalancer.services[service].endpoints
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client2)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client2)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[2], client3)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client2)
// Then update the configuration with one fewer endpoints, make sure
// we start in the beginning again
endpoints[0] = api.Endpoints{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{
{
Addresses: []api.EndpointAddress{{IP: "endpoint"}},
Ports: []api.EndpointPort{{Port: 4}, {Port: 5}},
},
},
}
loadBalancer.OnEndpointsUpdate(endpoints)
shuffledEndpoints = loadBalancer.services[service].endpoints
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client2)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[0], client1)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client2)
expectEndpoint(t, loadBalancer, service, shuffledEndpoints[1], client2)
// Clear endpoints
endpoints[0] = api.Endpoints{ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace}, Subsets: nil}
loadBalancer.OnEndpointsUpdate(endpoints)
endpoint, err = loadBalancer.NextEndpoint(service, nil, false)
if err == nil || len(endpoint) != 0 {
t.Errorf("Didn't fail with non-existent service")
}
}
func TestCOWList_Add(t *testing.T) {
var cow cowHostList
toAdd := [...]net.IP{net.IPv4(0, 0, 0, 0), net.IPv4(1, 0, 0, 0), net.IPv4(2, 0, 0, 0)}
for _, addr := range toAdd {
if !cow.add(&HostInfo{peer: addr}) {
t.Fatal("did not add peer which was not in the set")
}
}
hosts := cow.get()
if len(hosts) != len(toAdd) {
t.Fatalf("expected to have %d hosts got %d", len(toAdd), len(hosts))
}
set := make(map[string]bool)
for _, host := range hosts {
set[string(host.Peer())] = true
}
for _, addr := range toAdd {
if !set[string(addr)] {
t.Errorf("addr was not in the host list: %q", addr)
}
}
}