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tailscale/net
Andrew Dunham e33bc64cff net/dnsfallback: add singleflight to recursive resolver
This prevents running more than one recursive resolution for the same
hostname in parallel, which can use excessive amounts of CPU when called
in a tight loop. Additionally, add tests that hit the network (when
run with a flag) to test the lookup behaviour.

Updates tailscale/corp#15261

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I39351e1d2a8782dd4c52cb04b3bd982eb651c81e
1 year ago
..
art net/art: allow non-pointers as values 1 year ago
connstats net/connstats: exclude traffic with internal Tailscale service (#7904) 2 years ago
dns appc,ipn/ipnlocal,net/dns/resolver: add App Connector wiring when enabled in prefs 1 year ago
dnscache net/dnscache: remove completed TODO 1 year ago
dnsfallback net/dnsfallback: add singleflight to recursive resolver 1 year ago
flowtrack all: update copyright and license headers 2 years ago
interfaces net/tsdial: be smarter about when to close SystemDial conns 1 year ago
memnet net/memnet: export the network name (#9111) 1 year ago
netaddr all: update copyright and license headers 2 years ago
netcheck net/netcheck,wgengine/magicsock: reduce coupling between netcheck and magicsock 1 year ago
neterror net/neterror, wgengine/magicsock: use UDP GSO and GRO on Linux (#7791) 2 years ago
netkernelconf client/tailscale,ipn/{ipnlocal,localapi}: check UDP GRO config (#10071) 1 year ago
netknob all: update copyright and license headers 2 years ago
netmon net/netmon: log when the gateway/self IP changes 1 year ago
netns net/{interfaces,netmon}: remove "interesting", EqualFiltered API 1 year ago
netstat net/{netns,netstat}: use new x/sys/cpu.IsBigEndian 2 years ago
netutil cmd/tailscale: refactor shared utility methods 1 year ago
packet net/packet: split off checksum munging into different pkg 1 year ago
ping net/ping: fix ICMP echo code field to 0 1 year ago
portmapper net/portmapper: avoid alloc in getUPnPErrorsMetric 1 year ago
proxymux all: update copyright and license headers 2 years ago
routetable net/routetable: include unknown flags in the routetable doctor output 2 years ago
socks5 net/socks5: add password auth support 2 years ago
sockstats net/dns: retry forwarder requests over TCP 1 year ago
speedtest all: update copyright and license headers 2 years ago
stun wgengine/magicsock, types/nettype, etc: finish ReadFromUDPAddrPort netip migration 2 years ago
tcpinfo net/tcpinfo: add package to allow fetching TCP information 1 year ago
tlsdial cmd/tailscale/cli: make netcheck run even if machine lacks TLS certs 1 year ago
tsaddr types/netmap: remove NetworkMap.{Addresses,MachineStatus} 1 year ago
tsdial types/netmap: remove NetworkMap.{Addresses,MachineStatus} 1 year ago
tshttpproxy net/tshttpproxy: don't proxy through ourselves 2 years ago
tstun cmd/tailscaled,net/tstun: fix data race on start-up in TUN mode 1 year ago
wsconn net/wsconn: accept a remote addr string and plumb it through 1 year ago