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Code Issues Releases Activity

fix ipv6 addr parsing and using

Browse Source 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Vasiliy Tolstov 2019-07-17 10:38:50 +03:00
parent d4fefc4b76
commit e688ab0a45
8 changed files with 104 additions and 68 deletions
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19
broker/http_broker.go
View File

@ -13,8 +13,6 @@ import (
"net/http"
"net/url"
"runtime"
"strconv"
"strings"
"sync"
"time"
@ -614,18 +612,27 @@ func (h *httpBroker) Publish(topic string, msg *Message, opts ...PublishOption)
}
func (h *httpBroker) Subscribe(topic string, handler Handler, opts ...SubscribeOption) (Subscriber, error) {
var err error
var host, port string
options := NewSubscribeOptions(opts...)
// parse address for host, port
parts := strings.Split(h.Address(), ":")
host := strings.Join(parts[:len(parts)-1], ":")
port, _ := strconv.Atoi(parts[len(parts)-1])
host, port, err = net.SplitHostPort(h.Address())
if err != nil {
return nil, err
}
addr, err := maddr.Extract(host)
if err != nil {
return nil, err
}
// ipv6 addr
if addr == "::" {
// ipv6 addr
addr = fmt.Sprintf("[%s]", addr)
}
// create unique id
id := h.id + "." + uuid.New().String()
@ -638,7 +645,7 @@ func (h *httpBroker) Subscribe(topic string, handler Handler, opts ...SubscribeO
// register service
node := &registry.Node{
Id: id,
Address: fmt.Sprintf("%s:%d", addr, port),
Address: fmt.Sprintf("%s:%s", addr, port),
Metadata: map[string]string{
"secure": fmt.Sprintf("%t", secure),
},

9
client/grpc/grpc_test.go
View File

@ -2,10 +2,7 @@ package grpc
import (
"context"
"fmt"
"net"
"strconv"
"strings"
"testing"
"github.com/micro/go-micro/client"
@ -37,10 +34,6 @@ func TestGRPCClient(t *testing.T) {
go s.Serve(l)
defer s.Stop()
parts := strings.Split(l.Addr().String(), ":")
port, _ := strconv.Atoi(parts[len(parts)-1])
addr := strings.Join(parts[:len(parts)-1], ":")
// create mock registry
r := memory.NewRegistry()
@ -51,7 +44,7 @@ func TestGRPCClient(t *testing.T) {
Nodes: []*registry.Node{
&registry.Node{
Id: "test-1",
Address: fmt.Sprintf("%s:%d", addr, port),
Address: l.Addr().String(),
},
},
})

44
server/grpc/grpc.go
View File

@ -504,10 +504,11 @@ func (g *grpcServer) Subscribe(sb server.Subscriber) error {
}
func (g *grpcServer) Register() error {
var err error
var advt, host, port string
// parse address for host, port
config := g.opts
var advt, host string
var port int
// check the advertise address first
// if it exists then use it, otherwise
@ -518,12 +519,17 @@ func (g *grpcServer) Register() error {
advt = config.Address
}
parts := strings.Split(advt, ":")
if len(parts) > 1 {
host = strings.Join(parts[:len(parts)-1], ":")
port, _ = strconv.Atoi(parts[len(parts)-1])
if idx := strings.Count(advt, ":"); idx > 1 {
// ipv6 address in format [host]:port or ipv4 host:port
host, port, err = net.SplitHostPort(advt)
if err != nil {
return err
}
if host == "::" {
host = fmt.Sprintf("[%s]", host)
}
} else {
host = parts[0]
host = advt
}
addr, err := addr.Extract(host)
@ -534,7 +540,7 @@ func (g *grpcServer) Register() error {
// register service
node := &registry.Node{
Id: config.Name + "-" + config.Id,
Address: fmt.Sprintf("%s:%d", addr, port),
Address: fmt.Sprintf("%s:%s", addr, port),
Metadata: config.Metadata,
}
@ -629,9 +635,10 @@ func (g *grpcServer) Register() error {
}
func (g *grpcServer) Deregister() error {
var err error
var advt, host, port string
config := g.opts
var advt, host string
var port int
// check the advertise address first
// if it exists then use it, otherwise
@ -642,12 +649,17 @@ func (g *grpcServer) Deregister() error {
advt = config.Address
}
parts := strings.Split(advt, ":")
if len(parts) > 1 {
host = strings.Join(parts[:len(parts)-1], ":")
port, _ = strconv.Atoi(parts[len(parts)-1])
if idx := strings.Count(advt, ":"); idx > 1 {
// ipv6 address in format [host]:port or ipv4 host:port
host, port, err = net.SplitHostPort(advt)
if err != nil {
return err
}
if host == "::" {
host = fmt.Sprintf("[%s]", host)
}
} else {
host = parts[0]
host = advt
}
addr, err := addr.Extract(host)
@ -657,7 +669,7 @@ func (g *grpcServer) Deregister() error {
node := &registry.Node{
Id: config.Name + "-" + config.Id,
Address: fmt.Sprintf("%s:%d", addr, port),
Address: fmt.Sprintf("%s:%s", addr, port),
}
service := &registry.Service{

45
server/rpc_server.go
View File

@ -3,6 +3,7 @@ package server
import (
"context"
"fmt"
"net"
"runtime/debug"
"sort"
"strconv"
@ -277,10 +278,11 @@ func (s *rpcServer) Subscribe(sb Subscriber) error {
}
func (s *rpcServer) Register() error {
var err error
var advt, host, port string
// parse address for host, port
config := s.Options()
var advt, host string
var port int
// check the advertise address first
// if it exists then use it, otherwise
@ -291,12 +293,17 @@ func (s *rpcServer) Register() error {
advt = config.Address
}
parts := strings.Split(advt, ":")
if len(parts) > 1 {
host = strings.Join(parts[:len(parts)-1], ":")
port, _ = strconv.Atoi(parts[len(parts)-1])
if idx := strings.Count(advt, ":"); idx > 1 {
// ipv6 address in format [host]:port or ipv4 host:port
host, port, err = net.SplitHostPort(advt)
if err != nil {
return err
}
if host == "::" {
host = fmt.Sprintf("[%s]", host)
}
} else {
host = parts[0]
host = advt
}
addr, err := addr.Extract(host)
@ -313,7 +320,7 @@ func (s *rpcServer) Register() error {
// register service
node := &registry.Node{
Id: config.Name + "-" + config.Id,
Address: fmt.Sprintf("%s:%d", addr, port),
Address: fmt.Sprintf("%s:%s", addr, port),
Metadata: md,
}
@ -413,9 +420,10 @@ func (s *rpcServer) Register() error {
}
func (s *rpcServer) Deregister() error {
var err error
var advt, host, port string
config := s.Options()
var advt, host string
var port int
// check the advertise address first
// if it exists then use it, otherwise
@ -426,12 +434,17 @@ func (s *rpcServer) Deregister() error {
advt = config.Address
}
parts := strings.Split(advt, ":")
if len(parts) > 1 {
host = strings.Join(parts[:len(parts)-1], ":")
port, _ = strconv.Atoi(parts[len(parts)-1])
if idx := strings.Count(advt, ":"); idx > 1 {
// ipv6 address in format [host]:port or ipv4 host:port
host, port, err = net.SplitHostPort(advt)
if err != nil {
return err
}
if host == "::" {
host = fmt.Sprintf("[%s]", host)
}
} else {
host = parts[0]
host = advt
}
addr, err := addr.Extract(host)
@ -441,7 +454,7 @@ func (s *rpcServer) Deregister() error {
node := &registry.Node{
Id: config.Name + "-" + config.Id,
Address: fmt.Sprintf("%s:%d", addr, port),
Address: fmt.Sprintf("%s:%s", addr, port),
}
service := &registry.Service{

8
transport/grpc/grpc_test.go
View File

@ -1,15 +1,17 @@
package grpc
import (
"strings"
"net"
"testing"
"github.com/micro/go-micro/transport"
)
func expectedPort(t *testing.T, expected string, lsn transport.Listener) {
parts := strings.Split(lsn.Addr(), ":")
port := parts[len(parts)-1]
_, port, err := net.SplitHostPort(lsn.Addr())
if err != nil {
t.Errorf("Expected address to be `%s`, got error: %v", expected, err)
}
if port != expected {
lsn.Close()

8
transport/http_transport_test.go
View File

@ -2,14 +2,16 @@ package transport
import (
"io"
"strings"
"net"
"testing"
"time"
)
func expectedPort(t *testing.T, expected string, lsn Listener) {
parts := strings.Split(lsn.Addr(), ":")
port := parts[len(parts)-1]
_, port, err := net.SplitHostPort(lsn.Addr())
if err != nil {
t.Errorf("Expected address to be `%s`, got error: %v", expected, err)
}
if port != expected {
lsn.Close()

13
util/addr/addr.go
View File

@ -30,7 +30,7 @@ func isPrivateIP(ipAddr string) bool {
// Extract returns a real ip
func Extract(addr string) (string, error) {
// if addr specified then its returned
if len(addr) > 0 && (addr != "0.0.0.0" && addr != "[::]") {
if len(addr) > 0 && (addr != "0.0.0.0" && addr != "[::]" && addr != "::") {
return addr, nil
}
@ -113,10 +113,13 @@ func IPs() []string {
continue
}
ip = ip.To4()
if ip == nil {
continue
}
// dont skip ipv6 addrs
/*
ip = ip.To4()
if ip == nil {
continue
}
*/
ipAddrs = append(ipAddrs, ip.String())
}

26
util/net/net.go
View File

@ -11,39 +11,43 @@ import (
// Listen takes addr:portmin-portmax and binds to the first available port
// Example: Listen("localhost:5000-6000", fn)
func Listen(addr string, fn func(string) (net.Listener, error)) (net.Listener, error) {
// host:port || host:min-max
parts := strings.Split(addr, ":")
//
if len(parts) < 2 {
if strings.Count(addr, ":") == 1 && strings.Count(addr, "-") == 0 {
return fn(addr)
}
// host:port || host:min-max
host, ports, err := net.SplitHostPort(addr)
if err != nil {
return nil, err
}
if host == "::" {
host = fmt.Sprintf("[%s]", host)
}
// try to extract port range
ports := strings.Split(parts[len(parts)-1], "-")
prange := strings.Split(ports, "-")
// single port
if len(ports) < 2 {
if len(prange) < 2 {
return fn(addr)
}
// we have a port range
// extract min port
min, err := strconv.Atoi(ports[0])
min, err := strconv.Atoi(prange[0])
if err != nil {
return nil, errors.New("unable to extract port range")
}
// extract max port
max, err := strconv.Atoi(ports[1])
max, err := strconv.Atoi(prange[1])
if err != nil {
return nil, errors.New("unable to extract port range")
}
// set host
host := parts[:len(parts)-1]
// range the ports
for port := min; port <= max; port++ {
// try bind to host:port