[PATCH liburing v1 08/12] t/connect: Don't use a static port number

From: Ammar Faizi
Date: Thu Sep 01 2022 - 21:01:32 EST


From: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx>

Don't use a static port number. It might already be in use, resulting
in a test failure. Use an ephemeral port to make this test reliable.

Cc: Dylan Yudaken <dylany@xxxxxx>
Cc: Facebook Kernel Team <kernel-team@xxxxxx>
Cc: Pavel Begunkov <asml.silence@xxxxxxxxx>
Signed-off-by: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx>
---
test/accept.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/test/accept.c b/test/accept.c
index b35ded4..1821faa 100644
--- a/test/accept.c
+++ b/test/accept.c
@@ -184,31 +184,28 @@ static int start_accept_listen(struct sockaddr_in *addr, int port_off,

int32_t val = 1;
ret = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val));
assert(ret != -1);
ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
assert(ret != -1);

struct sockaddr_in laddr;

if (!addr)
addr = &laddr;

addr->sin_family = AF_INET;
- addr->sin_port = htons(0x1235 + port_off);
addr->sin_addr.s_addr = inet_addr("127.0.0.1");
-
- ret = bind(fd, (struct sockaddr*)addr, sizeof(*addr));
- assert(ret != -1);
+ assert(!t_bind_ephemeral_port(fd, addr));
ret = listen(fd, 128);
assert(ret != -1);

return fd;
}

static int set_client_fd(struct sockaddr_in *addr)
{
int32_t val;
int fd, ret;

fd = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP);

--
Ammar Faizi