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2025-10-08control/ts2021: fix data race during concurrent Close and conn endingBrad Fitzpatrick1-0/+1
Fixes tailscale/corp#33125 Change-Id: I9911f5059d5ebe42ecf7db9becb2326cca240765 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2025-10-02control/controlclient: restore aggressive Direct.Close teardownBrad Fitzpatrick1-5/+27
In the earlier http2 package migration (1d93bdce20ddd2, #17394) I had removed Direct.Close's tracking of the connPool, thinking it wasn't necessary. Some tests (in another repo) are strict and like it to tear down the world and wait, to check for leaked goroutines. And they caught this letting some goroutines idle past Close, even if they'd eventually close down on their own. This restores the connPool accounting and the aggressife close. Updates #17305 Updates #17394 Change-Id: I5fed283a179ff7c3e2be104836bbe58b05130cc7 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2025-10-02control/controlclient: remove x/net/http2, use net/httpBrad Fitzpatrick1-0/+289
Saves 352 KB, removing one of our two HTTP/2 implementations linked into the binary. Fixes #17305 Updates #15015 Change-Id: I53a04b1f2687dca73c8541949465038b69aa6ade Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>