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device: add ID to repeated routines

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2021-05-07 12:21:21 +02:00
parent 326aec10af
commit 7121927b87
3 changed files with 13 additions and 13 deletions
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6
device/device.go
View File

@ -304,9 +304,9 @@ func NewDevice(tunDevice tun.Device, bind conn.Bind, logger *Logger) *Device {
device.state.stopping.Wait()
device.queue.encryption.wg.Add(cpus) // One for each RoutineHandshake
for i := 0; i < cpus; i++ {
go device.RoutineEncryption()
go device.RoutineDecryption()
go device.RoutineHandshake()
go device.RoutineEncryption(i + 1)
go device.RoutineDecryption(i + 1)
go device.RoutineHandshake(i + 1)
}
device.state.stopping.Add(1) // RoutineReadFromTUN

14
device/receive.go
View File

@ -98,7 +98,7 @@ func (device *Device) RoutineReceiveIncoming(recv conn.ReceiveFunc) {
if errors.Is(err, net.ErrClosed) {
return
}
device.log.Verbosef("Routine: receive incoming %s - failed to receive packet: %v", recvName, err)
device.log.Verbosef("Failed to receive %s packet: %v", recvName, err)
if neterr, ok := err.(net.Error); ok && !neterr.Temporary() {
return
}
@ -203,11 +203,11 @@ func (device *Device) RoutineReceiveIncoming(recv conn.ReceiveFunc) {
}
}
func (device *Device) RoutineDecryption() {
func (device *Device) RoutineDecryption(id int) {
var nonce [chacha20poly1305.NonceSize]byte
defer device.log.Verbosef("Routine: decryption worker - stopped")
device.log.Verbosef("Routine: decryption worker - started")
defer device.log.Verbosef("Routine: decryption worker %d - stopped", id)
device.log.Verbosef("Routine: decryption worker %d - started", id)
for elem := range device.queue.decryption.c {
// split message into fields
@ -234,12 +234,12 @@ func (device *Device) RoutineDecryption() {
/* Handles incoming packets related to handshake
*/
func (device *Device) RoutineHandshake() {
func (device *Device) RoutineHandshake(id int) {
defer func() {
device.log.Verbosef("Routine: handshake worker - stopped")
device.log.Verbosef("Routine: handshake worker %d - stopped", id)
device.queue.encryption.wg.Done()
}()
device.log.Verbosef("Routine: handshake worker - started")
device.log.Verbosef("Routine: handshake worker %d - started", id)
for elem := range device.queue.handshake.c {

6
device/send.go
View File

@ -362,12 +362,12 @@ func calculatePaddingSize(packetSize, mtu int) int {
*
* Obs. One instance per core
*/
func (device *Device) RoutineEncryption() {
func (device *Device) RoutineEncryption(id int) {
var paddingZeros [PaddingMultiple]byte
var nonce [chacha20poly1305.NonceSize]byte
defer device.log.Verbosef("Routine: encryption worker - stopped")
device.log.Verbosef("Routine: encryption worker - started")
defer device.log.Verbosef("Routine: encryption worker %d - stopped", id)
device.log.Verbosef("Routine: encryption worker %d - started", id)
for elem := range device.queue.encryption.c {
// populate header fields