| 589afca92c2fa026f908ec2c54c0450c438c602c |
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18-Apr-2016 |
Pierre Imai <imaipi@google.com> |
DO NOT MERGE Store DNS server count in resolv_cache.
Instead of keeping a sentinel after nameservers[], nsaddrinfo[] and
nstats[], store the server count in the structure, freeing up memory and
eliminating the need to enumerate the server count every time
_resolv_is_nameservers_equal_locked() is invoked.
Also increase MAXNS from 3 to 4.
BUG: 28153323
Change-Id: I11a7257af695157c9e32019cd00c67b535b63c75
(cherry picked from commit fff356786f8a3a98c5c29f12bb7e59e6d98076a9)
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| 4d8e740b0868b2670599b949ff07d74e5f317114 |
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22-Feb-2016 |
Pierre Imai <imaipi@google.com> |
DO NOT MERGE: Ignore unreliable DNS servers.
Collect statistics about DNS query success state and delay. Ignore
servers that have been tried at least five times and have a success rate
of < 0.25. Retry these servers once every 180s.
Bug: 25731675
(cherry picked from commit 6b3f0d65f2c706625e5efb495df0f2c6178b965a)
Change-Id: Id989404b14fd885fb31a5a4de36a4186be1c9ad1
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| 754f669076ec1edfc0d597aaf89600d4c93f9a7c |
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25-Jun-2015 |
Erik Kline <ek@google.com> |
Pass around struct android_net_context for better behaviour
Group network context elements in to a single struct and
add a version of android_getaddrinfofornet() that accepts it.
The introduction of UID-based routing means that the UID is an
integral part of the network context when evaluating connectivity,
sorting addresses, etc.
Also, introduce a distinction between DNS netids/marks and those
expected to be used by the application. This can be important
when the network an application is using is not the same as the
network on which DNS queries will be issued.
Additionally, de-duplicate the UDP connect logic (collapse both
_test_connect() and _find_src_addr() into just the latter).
Bug: 19470192
Bug: 20733156
Bug: 21832279
Change-Id: If16c2f4744695f507993afdac078ca105eb5d3e4
(cherry picked from commit 01e37c9665018534c798daaa59d5b0adb408e0a4)
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| 01e37c9665018534c798daaa59d5b0adb408e0a4 |
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25-Jun-2015 |
Erik Kline <ek@google.com> |
Pass around struct android_net_context for better behaviour
Group network context elements in to a single struct and
add a version of android_getaddrinfofornet() that accepts it.
The introduction of UID-based routing means that the UID is an
integral part of the network context when evaluating connectivity,
sorting addresses, etc.
Also, introduce a distinction between DNS netids/marks and those
expected to be used by the application. This can be important
when the network an application is using is not the same as the
network on which DNS queries will be issued.
Additionally, de-duplicate the UDP connect logic (collapse both
_test_connect() and _find_src_addr() into just the latter).
Bug: 19470192
Bug: 20733156
Bug: 21832279
Change-Id: If16c2f4744695f507993afdac078ca105eb5d3e4
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| 9773fa3ffd7c2d1de2431b8ea1eb8043e8959fcb |
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10-Dec-2014 |
Elliott Hughes <enh@google.com> |
Clean up DNS proxying.
Remove code duplication and fall back to trying directly if the proxy
isn't available. With this, tests still work if netd is dead (perhaps
because you've run "adb shell stop", or because you're running on the host).
Bug: 18547878
Change-Id: Ia4a9aa18b1fc79e09735107246989fa7fc6c8455
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| 1544eae56e2713a199e085438809078ebad8e7d1 |
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06-Aug-2014 |
Paul Jensen <pauljensen@google.com> |
Revert most of "Cleanup: Delete dead code."
This reverts most of commit 2582f02a01cd56c56a4e6c9de4444a6ec937cc37.
The DNS cache flushing code needs to be called when routes change.
Change-Id: I5b04121bc428cc6a2e136b6c3269c395bfb4981f
bug:16549455
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| 2582f02a01cd56c56a4e6c9de4444a6ec937cc37 |
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20-Jul-2014 |
Sreeram Ramachandran <sreeram@google.com> |
Cleanup: Delete dead code.
Bug: 15413389
Change-Id: I315468832ef18ffc84174e54774ab63b86d284dc
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| 8563802b04347951d8878747a830987e5ca145f5 |
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16-May-2014 |
Elliott Hughes <enh@google.com> |
Use default hidden visibility to build libc_dns.
Bug: 11156955
Change-Id: Ia443705f5fbee0681039d4480abc89850968f475
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| 7f2d4c21cc7b7f27a5163f5a6d5bc724116a8cde |
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13-Jun-2014 |
Elliott Hughes <enh@google.com> |
Somewhere, the declaration of _resolv_delete_cache_for_net went missing.
I couldn't work out where this went missing from "git log", but it became
important with the switch to hidden visibility.
Change-Id: I921f81e36642a2c65c3ec85dc9b5b87c5d977a5b
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| 41d9a503716ed6f3291f4cae097dca08d459429c |
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08-Apr-2014 |
Paul Jensen <pauljensen@google.com> |
Add support for deleting per-network DNS resolver caches.
This is required when the possible range of NetIds is large to
prevent netd consuming excessive amounts of memory.
This required replacing the per-cache locks in favor of a single
global lock to prevent accesses to deleted caches.
Change-Id: I99d058bafea5de743e56075dbed74031da4df63f
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| ea9bf6788144b83cc51c454b2bfe6b980d6e947c |
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14-Feb-2014 |
Szymon Jakubczak <szym@google.com> |
bionic: Replace iface with opaque netid in resolver.
Replace iface cache key with netid.
Replace _mark with netid.
Mark sockets used to test IPv4/IPv6 support as well as sockets
used to determine source address for rfc6724 sort.
Remove pid/uid mappings (functionality moved to system/netd).
Do not create resolv_cache when it does not exist, but rather only
when DNS configuration is supplied.
Clean up unused functions.
Change-Id: I9ccfda2902cc0943e87c9bc346ad9a2578accdab
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