Brad Fitzpatrick e6b84f2159 all: make client use server-provided DERP map, add DERP region support ... Instead of hard-coding the DERP map (except for cmd/tailscale netcheck for now), get it from the control server at runtime. And make the DERP map support multiple nodes per region with clients picking the first one that's available. (The server will balance the order presented to clients for load balancing) This deletes the stunner package, merging it into the netcheck package instead, to minimize all the config hooks that would've been required. Also fix some test flakes & races. Fixes #387 (Don't hard-code the DERP map) Updates #388 (Add DERP region support) Fixes #399 (wgengine: flaky tests) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>		2020-05-23 22:31:59 -07:00
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derphttp	all: make client use server-provided DERP map, add DERP region support	2020-05-23 22:31:59 -07:00
derpmap	all: make client use server-provided DERP map, add DERP region support	2020-05-23 22:31:59 -07:00
derp_client.go	derp, magicsock: send new "peer gone" frames when previous sender disconnects	2020-03-22 21:00:47 -07:00
derp_server.go	derp/derp_server: unregisterClient() for replaced client connections.	2020-04-10 08:52:30 -07:00
derp_test.go	derp, netcheck: make tests listen on localhost only	2020-03-30 11:29:08 -07:00
derp.go	derp: prevent readFrame() from reading more than len(b) bytes.	2020-04-10 08:56:23 -07:00