fork of 9front i guess
860d938b20
removing the querylck from the DN as it was never used or being effective which saves like a ton on space per domain name. remove the Query.tcplock and put query on the stack. it is unneccesary to lock the query as its only used by one process at a time. put Query's on the stack. change outsidens() to outsidensip() which now takes the ip buffer that it fills instead of returning static buffer (which would race with multiple processes involved). eleminate mostly all of the lock(&dnlock)/unlock(&dnlock) calls. we'r not working on shared cache RR's in the resolver procs. we work on *copies* done by rrlookup() made under the dnlock. the cache garbage collection only runs when all processes are locked out and is also taking the dnlock while doing so. cleanup xmitquery(). for the tcp case, we dont need to get more nameserver addresses, just take the ip from the udp header that tcpquery() placed there for us. fixed baddelegation() to actually check for delegation loop even if theres no dom info for our host. remove lots of debug code. remove the dnforceage() as it doenst make sure other processes are locked out. this could destroy dn's currenctly refered by running queries. remove dnageallnever() as its not used. dont attach rr's to keepers to prevent outside spoofing. make myaddr() retrive the ip address if not set. |
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