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Member "HTTPing-2.9/test_TFO.c" (29 Oct 2022, 769 Bytes) of package /linux/www/HTTPing-2.9.tar.gz:
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1 #include <stdio.h>
2 #include <string.h>
3 #include <errno.h>
4 #include <stdlib.h>
5
6 #include <sys/types.h>
7 #include <sys/socket.h>
8 #include <netinet/in.h>
9 #include <netinet/tcp.h>
10
11 int main(void) {
12 int sfd = 0;
13 int qlen = 5;
14
15 if ((sfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1) {
16 fprintf(stderr, "socket(): %s\n", strerror(errno));
17 exit(EXIT_FAILURE);
18 }
19
20 #ifdef TCP_FASTOPEN
21 if (setsockopt(sfd, SOL_TCP, TCP_FASTOPEN, &qlen, sizeof(qlen)) == -1) {
22 fprintf(stderr, "setsockopt(): %s\n", strerror(errno));
23 exit(EXIT_FAILURE);
24 }
25 #else
26 fprintf(stderr, "TCP_FASTOPEN: undefined\n");
27 return EXIT_FAILURE;
28 #endif
29 return EXIT_SUCCESS;
30 }