lkml.org 
[lkml]   [2022]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFC PATCH v1 2/3] af_vsock: SOCK_SEQPACKET receive timeout test
Date
On 15.03.2022 11:15, Stefano Garzarella wrote:
> On Fri, Mar 11, 2022 at 10:55:42AM +0000, Krasnov Arseniy Vladimirovich wrote:
>> Test for receive timeout check: connection is established,
>> receiver sets timeout, but sender does nothing. Receiver's
>> 'read()' call must return EAGAIN.
>>
>> Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
>> ---
>> tools/testing/vsock/vsock_test.c | 49 ++++++++++++++++++++++++++++++++
>> 1 file changed, 49 insertions(+)
>>
>> diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
>> index 2a3638c0a008..aa2de27d0f77 100644
>> --- a/tools/testing/vsock/vsock_test.c
>> +++ b/tools/testing/vsock/vsock_test.c
>> @@ -391,6 +391,50 @@ static void test_seqpacket_msg_trunc_server(const struct test_opts *opts)
>>     close(fd);
>> }
>>
>> +static void test_seqpacket_timeout_client(const struct test_opts *opts)
>> +{
>> +    int fd;
>> +    struct timeval tv;
>> +    char dummy;
>> +
>> +    fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
>> +    if (fd < 0) {
>> +        perror("connect");
>> +        exit(EXIT_FAILURE);
>> +    }
>> +
>> +    tv.tv_sec = 1;
>> +    tv.tv_usec = 0;
>> +
>> +    if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv)) == -1) {
>> +        perror("setsockopt 'SO_RCVTIMEO'");
>> +        exit(EXIT_FAILURE);
>> +    }
>> +
>> +    if ((read(fd, &dummy, sizeof(dummy)) != -1) ||
>> +        (errno != EAGAIN)) {
>> +        perror("EAGAIN expected");
>> +        exit(EXIT_FAILURE);
>> +    }
>
> The patch LGTM, maybe the only thing I would add here is a check on the time spent in the read(), to see that it is approximately the timeout we have set.

Ack, I'll add it on v2

>
> Thanks,
> Stefano
>

\
 
 \ /
  Last update: 2022-03-15 09:38    [W:0.180 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site