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bionic: Replace iface with opaque netid in resolver.

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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
This commit is contained in:
Szymon Jakubczak
2014-02-14 17:07:23 -05:00
committed by Paul Jensen
parent bc475bc8d1
commit ea9bf67881
13 changed files with 208 additions and 950 deletions
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8
libc/dns/include/resolv_private.h
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@@ -142,7 +142,7 @@ struct res_sym {
struct __res_state_ext;
struct __res_state {
char iface[IF_NAMESIZE+1];
unsigned netid; /* NetId: cache key and socket mark */
int retrans; /* retransmission time interval */
int retry; /* number of times to retransmit */
#ifdef sun
@@ -175,7 +175,7 @@ struct __res_state {
res_send_qhook qhook; /* query hook */
res_send_rhook rhook; /* response hook */
int res_h_errno; /* last one set for this context */
int _mark; /* If non-0 SET_MARK to _mark on all request sockets */
unsigned _mark; /* If non-0 SET_MARK to _mark on all request sockets */
int _vcsock; /* PRIVATE: for res_send VC i/o */
u_int _flags; /* PRIVATE: see below */
u_int _pad; /* make _u 64 bit aligned */
@@ -490,8 +490,8 @@ void res_setservers(res_state,
int res_getservers(res_state,
union res_sockaddr_union *, int);
void res_setiface();
void res_setmark();
void res_setnetid(res_state, unsigned);
void res_setmark(res_state, unsigned);
u_int res_randomid(void);
__END_DECLS