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better port picker

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This commit is contained in:
Darien Raymond 2017-01-16 14:18:13 +01:00
parent 9a0ddb78ff
commit d6f8528075
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1 changed files with 7 additions and 6 deletions
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13
testing/scenarios/common.go
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@ -2,20 +2,21 @@ package scenarios
import ( import (
"net" "net"
"sync/atomic"
"time" "time"
"github.com/golang/protobuf/proto" "github.com/golang/protobuf/proto"
"v2ray.com/core" "v2ray.com/core"
"v2ray.com/core/common"
v2net "v2ray.com/core/common/net" v2net "v2ray.com/core/common/net"
) )
var (
port uint32 = 40000
)
func pickPort() v2net.Port { func pickPort() v2net.Port {
return v2net.Port(atomic.AddUint32(&port, 1)) listener, err := net.Listen("tcp4", ":0")
common.Must(err)
defer listener.Close()
addr := listener.Addr().(*net.TCPAddr)
return v2net.Port(addr.Port)
} }
func xor(b []byte) []byte { func xor(b []byte) []byte {