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dns-client: add some log

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This commit is contained in:
Nick Peng
2020-09-30 22:21:04 +08:00
parent 29d61d9373
commit ccd0f203fb
1 changed files with 8 additions and 4 deletions
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12
src/dns_client.c
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@@ -2577,7 +2577,7 @@ static int _dns_client_send_tcp(struct dns_server_info *server_info, void *packe
/* save data to buffer, and retry when EPOLLOUT is available */ /* save data to buffer, and retry when EPOLLOUT is available */
return _dns_client_send_data_to_buffer(server_info, inpacket, len); return _dns_client_send_data_to_buffer(server_info, inpacket, len);
} else if (errno == EPIPE) { } else if (errno == EPIPE) {
shutdown(server_info->fd, SHUT_RDWR); _dns_client_shutdown_socket(server_info);
} }
return -1; return -1;
} else if (send_len < len) { } else if (send_len < len) {
@@ -2621,7 +2621,7 @@ static int _dns_client_send_tls(struct dns_server_info *server_info, void *packe
/* save data to buffer, and retry when EPOLLOUT is available */ /* save data to buffer, and retry when EPOLLOUT is available */
return _dns_client_send_data_to_buffer(server_info, inpacket, len); return _dns_client_send_data_to_buffer(server_info, inpacket, len);
} else if (server_info->ssl && errno != ENOMEM) { } else if (server_info->ssl && errno != ENOMEM) {
SSL_shutdown(server_info->ssl); _dns_client_shutdown_socket(server_info);
} }
return -1; return -1;
} else if (send_len < len) { } else if (send_len < len) {
@@ -2672,7 +2672,7 @@ static int _dns_client_send_https(struct dns_server_info *server_info, void *pac
/* save data to buffer, and retry when EPOLLOUT is available */ /* save data to buffer, and retry when EPOLLOUT is available */
return _dns_client_send_data_to_buffer(server_info, inpacket, http_len); return _dns_client_send_data_to_buffer(server_info, inpacket, http_len);
} else if (server_info->ssl && errno != ENOMEM) { } else if (server_info->ssl && errno != ENOMEM) {
_ssl_shutdown(server_info); _dns_client_shutdown_socket(server_info);
} }
return -1; return -1;
} else if (send_len < http_len) { } else if (send_len < http_len) {
@@ -2691,15 +2691,19 @@ static int _dns_client_send_packet(struct dns_query_struct *query, void *packet,
int ret = 0; int ret = 0;
int send_err = 0; int send_err = 0;
int i = 0; int i = 0;
int total_server = 0;
query->send_tick = get_tick_count(); query->send_tick = get_tick_count();
/* send query to all dns servers */ /* send query to all dns servers */
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
total_server = 0;
pthread_mutex_lock(&client.server_list_lock); pthread_mutex_lock(&client.server_list_lock);
list_for_each_entry_safe(group_member, tmp, &query->server_group->head, list) list_for_each_entry_safe(group_member, tmp, &query->server_group->head, list)
{ {
server_info = group_member->server; server_info = group_member->server;
total_server++;
tlog(TLOG_DEBUG, "send query to server %s", server_info->ip);
if (server_info->fd <= 0) { if (server_info->fd <= 0) {
ret = _dns_client_create_socket(server_info); ret = _dns_client_create_socket(server_info);
if (ret != 0) { if (ret != 0) {
@@ -2765,7 +2769,7 @@ static int _dns_client_send_packet(struct dns_query_struct *query, void *packet,
} }
if (atomic_read(&query->dns_request_sent) <= 0) { if (atomic_read(&query->dns_request_sent) <= 0) {
tlog(TLOG_ERROR, "Send query to upstream server failed."); tlog(TLOG_ERROR, "Send query to upstream server failed, total server number %d", total_server);
return -1; return -1;
} }