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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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11
src/fast_ping.c
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@@ -46,6 +46,7 @@
#define ICMP_INPACKET_SIZE 1024
#define IPV4_ADDR_LEN 4
#define IPV6_ADDR_LEN 16
#define SOCKET_PRIORITY (6)
#ifndef ICMP_FILTER
#define ICMP_FILTER 1
@@ -550,6 +551,9 @@ static int _fast_ping_sendping_tcp(struct ping_host_struct *ping_host)
struct epoll_event event;
int flags;
int fd = -1;
int yes = 1;
const int priority = SOCKET_PRIORITY;
const int ip_tos = IP_TOS;
_fast_ping_close_host_sock(ping_host);
@@ -560,6 +564,9 @@ static int _fast_ping_sendping_tcp(struct ping_host_struct *ping_host)
flags = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
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));
ping_host->seq++;
if (connect(fd, (struct sockaddr *)&ping_host->addr, ping_host->addr_len) != 0) {
@@ -635,6 +642,7 @@ static int _fast_ping_create_icmp_sock(FAST_PING_TYPE type)
socklen_t optlen = sizeof(buffsize);
const int val = 255;
const int on = 1;
const int ip_tos = (IPTOS_LOWDELAY | IPTOS_RELIABILITY);
switch (type) {
case FAST_PING_ICMP:
@@ -669,6 +677,7 @@ static int _fast_ping_create_icmp_sock(FAST_PING_TYPE type)
setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (const char *)&buffsize, optlen);
setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (const char *)&buffsize, optlen);
setsockopt(fd, SOL_IP, IP_TTL, &val, sizeof(val));
setsockopt(fd, IPPROTO_IP, IP_TOS, &ip_tos, sizeof(ip_tos));
memset(&event, 0, sizeof(event));
event.events = EPOLLIN;
@@ -732,6 +741,7 @@ static int _fast_ping_create_udp_sock(FAST_PING_TYPE type)
struct epoll_event event;
const int val = 255;
const int on = 1;
const int ip_tos = (IPTOS_LOWDELAY | IPTOS_RELIABILITY);
switch (type) {
case FAST_PING_UDP:
@@ -763,6 +773,7 @@ static int _fast_ping_create_udp_sock(FAST_PING_TYPE type)
setsockopt(fd, SOL_IP, IP_TTL, &val, sizeof(val));
setsockopt(fd, IPPROTO_IP, IP_RECVTTL, &on, sizeof(on));
setsockopt(fd, IPPROTO_IP, IP_TOS, &ip_tos, sizeof(ip_tos));
memset(&event, 0, sizeof(event));
event.events = EPOLLIN;