mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-29 13:05:46 +00:00
39610aeb09
No need for these knobs on iOS where you can set the environment variables anyway. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
54 lines
2.2 KiB
Go
54 lines
2.2 KiB
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
//go:build !ios
|
|
// +build !ios
|
|
|
|
package magicsock
|
|
|
|
import (
|
|
"os"
|
|
"strconv"
|
|
)
|
|
|
|
// Various debugging and experimental tweakables, set by environment
|
|
// variable.
|
|
var (
|
|
// logPacketDests prints the known addresses for a peer every time
|
|
// they change, in the legacy (non-discovery) endpoint code only.
|
|
logPacketDests, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_LOG_PACKET_DESTS"))
|
|
// debugDisco prints verbose logs of active discovery events as
|
|
// they happen.
|
|
debugDisco, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_DISCO"))
|
|
// debugOmitLocalAddresses removes all local interface addresses
|
|
// from magicsock's discovered local endpoints. Used in some tests.
|
|
debugOmitLocalAddresses, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_OMIT_LOCAL_ADDRS"))
|
|
// debugUseDerpRoute temporarily (2020-03-22) controls whether DERP
|
|
// reverse routing is enabled (Issue 150). It will become always true
|
|
// later.
|
|
debugUseDerpRouteEnv = os.Getenv("TS_DEBUG_ENABLE_DERP_ROUTE")
|
|
debugUseDerpRoute, _ = strconv.ParseBool(debugUseDerpRouteEnv)
|
|
// logDerpVerbose logs all received DERP packets, including their
|
|
// full payload.
|
|
logDerpVerbose, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_DERP"))
|
|
// debugReSTUNStopOnIdle unconditionally enables the "shut down
|
|
// STUN if magicsock is idle" behavior that normally only triggers
|
|
// on mobile devices, lowers the shutdown interval, and logs more
|
|
// verbosely about idle measurements.
|
|
debugReSTUNStopOnIdle, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_RESTUN_STOP_ON_IDLE"))
|
|
// debugAlwaysDERP disables the use of UDP, forcing all peer communication over DERP.
|
|
debugAlwaysDERP, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_ALWAYS_USE_DERP"))
|
|
)
|
|
|
|
// inTest reports whether the running program is a test that set the
|
|
// IN_TS_TEST environment variable.
|
|
//
|
|
// Unlike the other debug tweakables above, this one needs to be
|
|
// checked every time at runtime, because tests set this after program
|
|
// startup.
|
|
func inTest() bool {
|
|
inTest, _ := strconv.ParseBool(os.Getenv("IN_TS_TEST"))
|
|
return inTest
|
|
}
|