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nameserv: add support for returning multiple addresses

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This commit is contained in:
Miroslav Lichvar
2014-10-21 15:37:16 +02:00
parent 699680807d
commit 4d1a754ec6
8 changed files with 65 additions and 36 deletions
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13
nameserv_async.c
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@@ -37,12 +37,14 @@
#ifdef USE_PTHREAD_ASYNCDNS
#include <pthread.h>
#define MAX_ADDRESSES 16
/* ================================================== */
struct DNS_Async_Instance {
const char *name;
DNS_Status status;
IPAddr addr;
IPAddr addresses[MAX_ADDRESSES];
DNS_NameResolveHandler handler;
void *arg;
@@ -59,7 +61,7 @@ start_resolving(void *anything)
{
struct DNS_Async_Instance *inst = (struct DNS_Async_Instance *)anything;
inst->status = DNS_Name2IPAddress(inst->name, &inst->addr);
inst->status = DNS_Name2IPAddress(inst->name, inst->addresses, MAX_ADDRESSES);
/* Notify the main thread that the result is ready */
if (write(inst->pipe[1], "", 1) < 0)
@@ -74,6 +76,7 @@ static void
end_resolving(void *anything)
{
struct DNS_Async_Instance *inst = (struct DNS_Async_Instance *)anything;
int i;
if (pthread_join(inst->thread, NULL)) {
LOG_FATAL(LOGF_Nameserv, "pthread_join() failed");
@@ -85,7 +88,11 @@ end_resolving(void *anything)
close(inst->pipe[0]);
close(inst->pipe[1]);
(inst->handler)(inst->status, &inst->addr, inst->arg);
for (i = 0; inst->status == DNS_Success && i < MAX_ADDRESSES &&
inst->addresses[i].family != IPADDR_UNSPEC; i++)
;
(inst->handler)(inst->status, i, inst->addresses, inst->arg);
Free(inst);
}