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//go:build daita
// +build daita
/* SPDX-License-Identifier: Apache-2.0
*
* Copyright (C) 2025 Mullvad VPN AB. All Rights Reserved.
*/
package main
// #include <stdio.h>
// #include <stdlib.h>
// #include <stdint.h>
import "C"
import (
"unsafe"
"golang.zx2c4.com/wireguard/device"
)
//export wgActivateDaita
func wgActivateDaita(tunnelHandle C.int32_t, peerPubkey *C.uint8_t, machines *C.char, maxPaddingFrac C.double, maxBlockingFrac C.double, eventsCapacity C.uint32_t, actionsCapacity C.uint32_t) C.int32_t {
tunnel, err := tunnels.Get(int32(tunnelHandle))
if err != nil {
return ERROR_UNKNOWN_TUNNEL
}
var publicKey device.NoisePublicKey
copy(publicKey[:], C.GoBytes(unsafe.Pointer(peerPubkey), device.NoisePublicKeySize))
var peer *device.Peer
if tunnel.EntryDevice != nil {
// TODO: Document me
peer = tunnel.EntryDevice.LookupPeer(publicKey)
} else {
// TODO: Document me
peer = tunnel.Device.LookupPeer(publicKey)
}
if peer == nil {
return ERROR_UNKNOWN_PEER
}
if !peer.EnableDaita(goStringFixed((*C.char)(machines)), uint(eventsCapacity), uint(actionsCapacity), float64(maxPaddingFrac), float64(maxBlockingFrac)) {
return ERROR_ENABLE_DAITA
}
return OK
}
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