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2021-03-08conn: linux: unexport mutexJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-25conn: implement RIO for fast Windows UDP socketsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-23device: test up/down using virtual connJason A. Donenfeld
This prevents port clashing bugs. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-23conn: make binds replacableJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-16conn: bump to 1.16 and get rid of NetErrClosed hackJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-10conn: close old fd before trying againJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-09conn: use errors.Is for unwrappingJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-02-09conn: try harder to have v4 and v6 ports agreeJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-28global: bump copyrightJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-26conn: fix interface parameter name in Bind interface docsBrad Fitzpatrick
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-01-20device: allow compiling with Go 1.15Jason A. Donenfeld
Until we depend on Go 1.16 (which isn't released yet), alias our own variable to the private member of the net package. This will allow an easy find replace to make this go away when we eventually switch to 1.16. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-20conn: remove _ method receiverJosh Bleecher Snyder
Minor style fix. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2021-01-08device: receive: do not exit immediately on transient UDP receive errorsJason A. Donenfeld
Some users report seeing lines like: > Routine: receive incoming IPv4 - stopped Popping up unexpectedly. Let's sleep and try again before failing, and also log the error, and perhaps we'll eventually understand this situation better in future versions. Because we have to distinguish between the socket being closed explicitly and whatever error this is, we bump the module to require Go 1.16. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-07conn: linux: do not allow ReceiveIPvX to race with CloseJason A. Donenfeld
If Close is called after ReceiveIPvX, then ReceiveIPvX will block on an invalid or potentially reused fd. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-01-07conn: do not SO_REUSEADDR on linuxJason A. Donenfeld
SO_REUSEADDR does not make sense for unicast UDP sockets. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-06-22conn: add comments saying what uses these interfacesDavid Crawshaw
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
2020-06-07conn: unbreak boundif on androidJason A. Donenfeld
Another thing never tested ever. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-06-07conn: remove useless commentJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-06-07conn: fix windows situation with boundifJason A. Donenfeld
This was evidently never tested before committing. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-05-02global: update header comments and modulesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2020-05-02conn: introduce new package that splits out the Bind and Endpoint typesDavid Crawshaw
The sticky socket code stays in the device package for now, as it reaches deeply into the peer list. This is the first step in an effort to split some code out of the very busy device package. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
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