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cache bug fix

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This commit is contained in:
Nick Peng
2019-01-29 21:38:10 +08:00
parent c3ac0c2f17
commit 8e73eea8ec
4 changed files with 27 additions and 18 deletions
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8
src/dns_client.c
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@@ -49,7 +49,7 @@
#define DNS_MAX_HOSTNAME 256
#define DNS_MAX_EVENTS 64
#define DNS_HOSTNAME_LEN 128
#define DNS_TCP_BUFFER (16 * 1024)
#define DNS_TCP_BUFFER (32 * 1024)
#ifndef TCP_FASTOPEN_CONNECT
#define TCP_FASTOPEN_CONNECT 30
@@ -1475,7 +1475,7 @@ static int _dns_client_send_data_to_buffer(struct dns_server_info *server_info,
static int _dns_client_send_tcp(struct dns_server_info *server_info, void *packet, unsigned short len)
{
int send_len = 0;
unsigned char inpacket_data[DNS_IN_PACKSIZE * 2];
unsigned char inpacket_data[DNS_IN_PACKSIZE];
unsigned char *inpacket = inpacket_data;
if (len > sizeof(inpacket_data) -2 ) {
@@ -1518,7 +1518,7 @@ static int _dns_client_send_tcp(struct dns_server_info *server_info, void *packe
static int _dns_client_send_tls(struct dns_server_info *server_info, void *packet, unsigned short len)
{
int send_len = 0;
unsigned char inpacket_data[DNS_IN_PACKSIZE * 2];
unsigned char inpacket_data[DNS_IN_PACKSIZE];
unsigned char *inpacket = inpacket_data;
if (len > sizeof(inpacket_data) -2 ) {
@@ -1546,7 +1546,7 @@ static int _dns_client_send_tls(struct dns_server_info *server_info, void *packe
if (errno == EAGAIN || server_info->ssl == NULL) {
/* save data to buffer, and retry when EPOLLOUT is available */
return _dns_client_send_data_to_buffer(server_info, inpacket, len);
} else if (server_info->ssl) {
} else if (server_info->ssl && errno != ENOMEM) {
SSL_shutdown(server_info->ssl);
}
return -1;