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optimize tcp connection lag

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This commit is contained in:
Nick Peng
2019-11-03 09:15:24 +08:00
parent 1fb5cbbcd9
commit 044536aef6
3 changed files with 23 additions and 0 deletions
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15
src/util.c
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@@ -11,6 +11,7 @@
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include <pthread.h>
#include <netinet/tcp.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
@@ -933,3 +934,17 @@ int has_network_raw_cap(void)
close(fd);
return 1;
}
int set_sock_keepalive(int fd, int keepidle, int keepinterval, int keepcnt)
{
const int yes = 1;
if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(yes))!= 0) {
return -1;
}
setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &keepidle, sizeof(keepidle));
setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &keepinterval, sizeof(keepinterval));
setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &keepcnt, sizeof(keepcnt));
return 0;
}