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tailscale/derp
Mihai Parparita 7330aa593e all: avoid repeated default interface lookups
On some platforms (notably macOS and iOS) we look up the default
interface to bind outgoing connections to. This is both duplicated
work and results in logspam when the default interface is not available
(i.e. when a phone has no connectivity, we log an error and thus cause
more things that we will try to upload and fail).

Fixed by passing around a netmon.Monitor to more places, so that we can
use its cached interface state.

Fixes #7850
Updates #7621

Signed-off-by: Mihai Parparita <mihai@tailscale.com>
2 years ago
..
derphttp all: avoid repeated default interface lookups 2 years ago
testdata derp: add debug traffic handler 3 years ago
derp.go derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552) 2 years ago
derp_client.go derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552) 2 years ago
derp_server.go derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552) 2 years ago
derp_server_default.go all: update copyright and license headers 2 years ago
derp_server_linux.go all: update copyright and license headers 2 years ago
derp_test.go derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552) 2 years ago
dropreason_string.go derp, derphttp, magicsock: send new unknown peer frame when destination is unknown (#7552) 2 years ago