The separation of incoming packets handling makes it much easier
to run barebox dns client on top of picotcp network stack in the future.
Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx>
---
net/dns.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/net/dns.c b/net/dns.c
index 0a8ce8b..0e16ea2 100644
--- a/net/dns.c
+++ b/net/dns.c
@@ -116,9 +116,8 @@ static int dns_send(char *name)
return ret;
}
-static void dns_handler(void *ctx, char *packet, unsigned len)
+static void dns_recv(struct header *header, unsigned len)
{
- struct header *header;
unsigned char *p, *e, *s;
u16 type;
int found, stop, dlen;
@@ -127,7 +126,6 @@ static void dns_handler(void *ctx, char *packet, unsigned len)
debug("%s\n", __func__);
/* We sent 1 query. We want to see more that 1 answer. */
- header = (struct header *)net_eth_to_udp_payload(packet);
if (ntohs(header->nqueries) != 1)
return;
@@ -140,7 +138,7 @@ static void dns_handler(void *ctx, char *packet, unsigned len)
/* Skip host name */
s = &header->data[0];
- e = packet + len;
+ e = ((uint8_t *)header) + len;
for (p = s; p < e && *p != '\0'; p++)
continue;
@@ -194,6 +192,13 @@ static void dns_handler(void *ctx, char *packet, unsigned len)
}
}
+static void dns_handler(void *ctx, char *packet, unsigned len)
+{
+ (void)ctx;
+ dns_recv((struct header *)net_eth_to_udp_payload(packet),
+ net_eth_to_udplen(packet));
+}
+
IPaddr_t resolv(char *host)
{
IPaddr_t ip;
--
2.1.4
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