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samples: net: dns: Small refactoring

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Moving the code around and enhancing debug prints. No changes in
functionality.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2020-01-15 16:33:30 +02:00
commit 16805018bb
1 changed files with 18 additions and 22 deletions
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40
samples/net/dns_resolve/src/main.c
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@ -89,21 +89,21 @@ void mdns_result_cb(enum dns_resolve_status status,
switch (status) {
case DNS_EAI_CANCELED:
LOG_INF("DNS query was canceled");
LOG_INF("mDNS query was canceled");
return;
case DNS_EAI_FAIL:
LOG_INF("DNS resolve failed");
LOG_INF("mDNS resolve failed");
return;
case DNS_EAI_NODATA:
LOG_INF("Cannot resolve address");
LOG_INF("Cannot resolve address using mDNS");
return;
case DNS_EAI_ALLDONE:
LOG_INF("DNS resolving finished");
LOG_INF("mDNS resolving finished");
return;
case DNS_EAI_INPROGRESS:
break;
default:
LOG_INF("DNS resolving error (%d)", status);
LOG_INF("mDNS resolving error (%d)", status);
return;
}
@ -135,7 +135,7 @@ static struct k_delayed_work ipv4_timer;
static void do_ipv4_lookup(struct k_work *work)
{
static const char *query = "www.zephyrproject.org";
u16_t dns_id;
static u16_t dns_id;
int ret;
ret = dns_get_addr_info(query,
@ -247,25 +247,12 @@ static void do_mdns_ipv4_lookup(struct k_work *work)
#error "You need to define an IPv4 address or enable DHCPv4!"
#endif
static void setup_ipv4(struct net_if *iface)
static void do_ipv4_lookup(void)
{
static const char *query = "www.zephyrproject.org";
char hr_addr[NET_IPV4_ADDR_LEN];
struct in_addr addr;
u16_t dns_id;
static u16_t dns_id;
int ret;
if (net_addr_pton(AF_INET, CONFIG_NET_CONFIG_MY_IPV4_ADDR, &addr)) {
LOG_ERR("Invalid address: %s", CONFIG_NET_CONFIG_MY_IPV4_ADDR);
return;
}
net_if_ipv4_addr_add(iface, &addr, NET_ADDR_MANUAL, 0);
LOG_INF("IPv4 address: %s",
log_strdup(net_addr_ntop(AF_INET, &addr, hr_addr,
NET_IPV4_ADDR_LEN)));
ret = dns_get_addr_info(query,
DNS_QUERY_TYPE_A,
&dns_id,
@ -278,6 +265,13 @@ static void setup_ipv4(struct net_if *iface)
}
LOG_DBG("DNS id %u", dns_id);
}
static void setup_ipv4(struct net_if *iface)
{
ARG_UNUSED(iface);
do_ipv4_lookup();
#if defined(CONFIG_MDNS_RESOLVER) && defined(CONFIG_NET_IPV4)
k_delayed_work_init(&mdns_ipv4_timer, do_mdns_ipv4_lookup);
@ -298,7 +292,7 @@ static void setup_ipv4(struct net_if *iface)
static void do_ipv6_lookup(void)
{
static const char *query = "www.zephyrproject.org";
u16_t dns_id;
static u16_t dns_id;
int ret;
ret = dns_get_addr_info(query,
@ -317,6 +311,8 @@ static void do_ipv6_lookup(void)
static void setup_ipv6(struct net_if *iface)
{
ARG_UNUSED(iface);
do_ipv6_lookup();
#if defined(CONFIG_MDNS_RESOLVER) && defined(CONFIG_NET_IPV6)