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Generate a random port number in -genconf instead of :0 (#51)

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This commit is contained in:
Neil Alexander 2018-03-07 19:41:56 +00:00
parent a5fcf14824
commit 95a6cfff10
1 changed files with 11 additions and 5 deletions
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16
yggdrasil.go
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@ -12,6 +12,7 @@ import "os/signal"
import "syscall" import "syscall"
import "time" import "time"
import "regexp" import "regexp"
import "math/rand"
import _ "net/http/pprof" import _ "net/http/pprof"
import "net/http" import "net/http"
@ -103,12 +104,17 @@ func (n *node) init(cfg *nodeConfig, logger *log.Logger) {
}() }()
} }
func generateConfig() *nodeConfig { func generateConfig(isAutoconf bool) *nodeConfig {
core := Core{} core := Core{}
bpub, bpriv := core.DEBUG_newBoxKeys() bpub, bpriv := core.DEBUG_newBoxKeys()
spub, spriv := core.DEBUG_newSigKeys() spub, spriv := core.DEBUG_newSigKeys()
cfg := nodeConfig{} cfg := nodeConfig{}
cfg.Listen = "[::]:0" if isAutoconf {
cfg.Listen = "[::]:0"
} else {
r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534 - 1024) + 1024)
}
cfg.AdminListen = "[::1]:9001" cfg.AdminListen = "[::1]:9001"
cfg.BoxPub = hex.EncodeToString(bpub[:]) cfg.BoxPub = hex.EncodeToString(bpub[:])
cfg.BoxPriv = hex.EncodeToString(bpriv[:]) cfg.BoxPriv = hex.EncodeToString(bpriv[:])
@ -124,7 +130,7 @@ func generateConfig() *nodeConfig {
} }
func doGenconf() string { func doGenconf() string {
cfg := generateConfig() cfg := generateConfig(false)
bs, err := json.MarshalIndent(cfg, "", " ") bs, err := json.MarshalIndent(cfg, "", " ")
if err != nil { if err != nil {
panic(err) panic(err)
@ -235,7 +241,7 @@ func main() {
var cfg *nodeConfig var cfg *nodeConfig
switch { switch {
case *autoconf: case *autoconf:
cfg = generateConfig() cfg = generateConfig(true)
case *useconffile != "" || *useconf: case *useconffile != "" || *useconf:
var config []byte var config []byte
var err error var err error
@ -248,7 +254,7 @@ func main() {
panic(err) panic(err)
} }
decoder := json.NewDecoder(bytes.NewReader(config)) decoder := json.NewDecoder(bytes.NewReader(config))
cfg = generateConfig() cfg = generateConfig(false)
err = decoder.Decode(cfg) err = decoder.Decode(cfg)
if err != nil { if err != nil {
panic(err) panic(err)