@ -60,7 +60,8 @@ func (c *Config) FirstNetwork() *Network {
func ( c * Config ) AddNode ( opts ... any ) * Node {
num := len ( c . nodes )
n := & Node {
mac : MAC { 0x52 , 0xcc , 0xcc , 0xcc , 0xcc , byte ( num ) } , // 52=TS then 0xcc for ccclient
num : num + 1 ,
mac : MAC { 0x52 , 0xcc , 0xcc , 0xcc , 0xcc , byte ( num ) + 1 } , // 52=TS then 0xcc for ccclient
}
c . nodes = append ( c . nodes , n )
for _ , o := range opts {
@ -119,7 +120,7 @@ type TailscaledEnv struct {
func ( c * Config ) AddNetwork ( opts ... any ) * Network {
num := len ( c . networks )
n := & Network {
mac : MAC { 0x52 , 0xee , 0xee , 0xee , 0xee , byte ( num ) } , // 52=TS then 0xee for 'etwork
mac : MAC { 0x52 , 0xee , 0xee , 0xee , 0xee , byte ( num ) + 1 } , // 52=TS then 0xee for 'etwork
}
c . networks = append ( c . networks , n )
for _ , o := range opts {
@ -150,6 +151,7 @@ func (c *Config) AddNetwork(opts ...any) *Network {
// Node is the configuration of a node in the virtual network.
type Node struct {
err error
num int // 1-based node number
n * node // nil until NewServer called
env [ ] TailscaledEnv
@ -163,6 +165,16 @@ type Node struct {
nets [ ] * Network
}
// Num returns the 1-based node number.
func ( n * Node ) Num ( ) int {
return n . num
}
// String returns the string "nodeN" where N is the 1-based node number.
func ( n * Node ) String ( ) string {
return fmt . Sprintf ( "node%d" , n . num )
}
// MAC returns the MAC address of the node.
func ( n * Node ) MAC ( ) MAC {
return n . mac
@ -285,17 +297,18 @@ func (s *Server) initFromConfig(c *Config) error {
LinkType : layers . LinkTypeIPv4 ,
} ) )
}
for i , conf := range c . nodes {
for _ , conf := range c . nodes {
if conf . err != nil {
return conf . err
}
n := & node {
num : conf . num ,
mac : conf . mac ,
net : netOfConf [ conf . Network ( ) ] ,
verboseSyslog : conf . VerboseSyslog ( ) ,
}
n . interfaceID = must . Get ( s . pcapWriter . AddInterface ( pcapgo . NgInterface {
Name : fmt. Sprintf ( "node%d" , i + 1 ) ,
Name : n. String ( ) ,
LinkType : layers . LinkTypeEthernet ,
} ) )
conf . n = n