daxi20/smartdns
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update code

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This commit is contained in:
Nick Peng
2018-05-23 00:32:47 +08:00
parent c294193d38
commit 64066c5948
1 changed files with 10 additions and 2 deletions
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12
dns_client.c
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@@ -396,6 +396,14 @@ static int _dns_client_process_answer(char *domain, struct dns_packet *packet)
return -1;
}
pthread_mutex_lock(&client.server_list_lock);
query->dns_request_sent--;
if (query->dns_request_sent < 0) {
pthread_mutex_unlock(&client.server_list_lock);
return -1;
}
pthread_mutex_unlock(&client.server_list_lock);
for (j = 1; j < DNS_RRS_END; j++) {
rrs = dns_get_rrs_start(packet, j, &rr_count);
for (i = 0; i < rr_count && rrs; i++, rrs = dns_get_rrs_next(packet, rrs)) {
@@ -441,8 +449,7 @@ static int _dns_client_process_answer(char *domain, struct dns_packet *packet)
}
pthread_mutex_lock(&client.server_list_lock);
query->dns_request_sent--;
if (query->dns_request_sent < 0) {
if (query->dns_request_sent <= 0) {
_dns_client_query_release(query);
}
pthread_mutex_unlock(&client.server_list_lock);
@@ -583,6 +590,7 @@ static int _dns_client_send_packet(struct dns_query_struct *query, void *packet,
switch (server_info->type) {
case DNS_SERVER_UDP:
ret = _dns_client_send_udp(server_info, packet, len);
break;
default:
ret = -1;
break;