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socket ip priority optimize

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This commit is contained in:
Nick Peng
2019-10-16 22:57:04 +08:00
parent 9213f898c3
commit 721c56cbec
3 changed files with 36 additions and 1 deletions
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14
src/dns_client.c
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@@ -60,6 +60,8 @@
#define DNS_TCP_CONNECT_TIMEOUT (5)
#define DNS_QUERY_TIMEOUT (500)
#define DNS_QUERY_RETRY (3)
#define SOCKET_PRIORITY (6)
#define SOCKET_IP_TOS (IPTOS_LOWDELAY | IPTOS_RELIABILITY)
#ifndef TCP_FASTOPEN_CONNECT
#define TCP_FASTOPEN_CONNECT 30
@@ -1312,6 +1314,8 @@ static int _dns_client_create_socket_udp(struct dns_server_info *server_info)
struct epoll_event event;
const int on = 1;
const int val = 255;
const int priority = SOCKET_PRIORITY;
const int ip_tos = SOCKET_IP_TOS;
fd = socket(server_info->ai_family, SOCK_DGRAM, 0);
if (fd < 0) {
@@ -1331,6 +1335,8 @@ static int _dns_client_create_socket_udp(struct dns_server_info *server_info)
server_info->status = DNS_SERVER_STATUS_CONNECTIONLESS;
setsockopt(server_info->fd, IPPROTO_IP, IP_RECVTTL, &on, sizeof(on));
setsockopt(server_info->fd, SOL_IP, IP_TTL, &val, sizeof(val));
setsockopt(server_info->fd, SOL_SOCKET, SO_PRIORITY, &priority, sizeof(priority));
setsockopt(server_info->fd, IPPROTO_IP, IP_TOS, &ip_tos, sizeof(ip_tos));
if (server_info->ai_family == AF_INET6) {
/* for recving ip ttl value */
setsockopt(server_info->fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &on, sizeof(on));
@@ -1352,6 +1358,8 @@ static int _DNS_client_create_socket_tcp(struct dns_server_info *server_info)
int fd = 0;
struct epoll_event event;
int yes = 1;
const int priority = SOCKET_PRIORITY;
const int ip_tos = SOCKET_IP_TOS;
fd = socket(server_info->ai_family, SOCK_STREAM, 0);
if (fd < 0) {
@@ -1370,6 +1378,8 @@ static int _DNS_client_create_socket_tcp(struct dns_server_info *server_info)
}
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes));
setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &priority, sizeof(priority));
setsockopt(fd, IPPROTO_IP, IP_TOS, &ip_tos, sizeof(ip_tos));
if (connect(fd, (struct sockaddr *)&server_info->addr, server_info->ai_addrlen) != 0) {
if (errno != EINPROGRESS) {
@@ -1406,6 +1416,8 @@ static int _DNS_client_create_socket_tls(struct dns_server_info *server_info, ch
struct epoll_event event;
SSL *ssl = NULL;
int yes = 1;
const int priority = SOCKET_PRIORITY;
const int ip_tos = SOCKET_IP_TOS;
if (server_info->ssl_ctx == NULL) {
tlog(TLOG_ERROR, "create ssl ctx failed.");
@@ -1435,6 +1447,8 @@ static int _DNS_client_create_socket_tls(struct dns_server_info *server_info, ch
// ? this cause ssl crash ?
// setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &yes, sizeof(yes));
setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &priority, sizeof(priority));
setsockopt(fd, IPPROTO_IP, IP_TOS, &ip_tos, sizeof(ip_tos));
if (connect(fd, (struct sockaddr *)&server_info->addr, server_info->ai_addrlen) != 0) {
if (errno != EINPROGRESS) {