1#include <stdio.h>
2#include <unistd.h>
3#include <errno.h>
4#include <string.h>
5#include <sys/socket.h>
6#include <netinet/in.h>
7#include <sys/time.h>
8#include <fcntl.h>
9#include "test.h"
10
11#define TEST(c, ...) ((c) ? 1 : (t_error(#c" failed: " __VA_ARGS__),0))
12#define TESTE(c) (errno=0, TEST(c, "errno = %s\n", strerror(errno)))
13
14int main(void)
15{
16	struct sockaddr_in sa = { .sin_family = AF_INET };
17	int s, c, t;
18	char buf[100];
19
20	TESTE((s=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP))>=0);
21	TESTE(bind(s, (void *)&sa, sizeof sa)==0);
22	TESTE(getsockname(s, (void *)&sa, (socklen_t[]){sizeof sa})==0);
23
24	TESTE(setsockopt(s, SOL_SOCKET, SO_RCVTIMEO,
25		&(struct timeval){.tv_usec=1}, sizeof(struct timeval))==0);
26
27	TESTE((c=socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP))>=0);
28	sa.sin_addr.s_addr = htonl(0x7f000001);
29	TESTE(sendto(c, "x", 1, 0, (void *)&sa, sizeof sa)==1);
30	TESTE(recvfrom(s, buf, sizeof buf, 0, (void *)&sa, (socklen_t[]){sizeof sa})==1);
31	TEST(buf[0]=='x', "'%c'\n", buf[0]);
32
33	close(c);
34	close(s);
35
36	memset(&sa, 0, sizeof sa);
37	sa.sin_family = AF_INET;
38	TESTE((s=socket(PF_INET, SOCK_STREAM|SOCK_CLOEXEC, IPPROTO_TCP))>=0);
39	TEST(fcntl(s, F_GETFD)&FD_CLOEXEC, "SOCK_CLOEXEC did not work\n");
40	TESTE(bind(s, (void *)&sa, sizeof sa)==0);
41	TESTE(getsockname(s, (void *)&sa, (socklen_t[]){sizeof sa})==0);
42	sa.sin_addr.s_addr = htonl(0x7f000001);
43
44	TESTE(listen(s, 1)==0);
45
46	TESTE((c=socket(PF_INET, SOCK_STREAM|SOCK_NONBLOCK, IPPROTO_TCP))>=0);
47	TEST(fcntl(c, F_GETFL)&O_NONBLOCK, "SOCK_NONBLOCK did not work\n");
48
49	TESTE(connect(c, (void *)&sa, sizeof sa)==0 || errno==EINPROGRESS);
50
51	TESTE((t=accept(s, (void *)&sa, &(socklen_t){sizeof sa}))>=0);
52
53	close(t);
54	close(c);
55	close(s);
56
57	return t_status;
58}
59