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vsock/test: MSG_PEEK test for SOCK_SEQPACKET

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This adds MSG_PEEK test for SOCK_SEQPACKET. It works in the same way as
SOCK_STREAM test, except it also tests MSG_TRUNC flag.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Arseniy Krasnov 2023-07-25 20:29:12 +03:00 committed by Paolo Abeni
parent 587ed79f62
commit 8a0697f23e
1 changed files with 54 additions and 4 deletions
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58
tools/testing/vsock/vsock_test.c
View file

@ -257,14 +257,19 @@ static void test_stream_multiconn_server(const struct test_opts *opts)
#define MSG_PEEK_BUF_LEN 64
static void test_stream_msg_peek_client(const struct test_opts *opts)
static void test_msg_peek_client(const struct test_opts *opts,
bool seqpacket)
{
unsigned char buf[MSG_PEEK_BUF_LEN];
ssize_t send_size;
int fd;
int i;
fd = vsock_stream_connect(opts->peer_cid, 1234);
if (seqpacket)
fd = vsock_seqpacket_connect(opts->peer_cid, 1234);
else
fd = vsock_stream_connect(opts->peer_cid, 1234);
if (fd < 0) {
perror("connect");
exit(EXIT_FAILURE);
@ -290,7 +295,8 @@ static void test_stream_msg_peek_client(const struct test_opts *opts)
close(fd);
}
static void test_stream_msg_peek_server(const struct test_opts *opts)
static void test_msg_peek_server(const struct test_opts *opts,
bool seqpacket)
{
unsigned char buf_half[MSG_PEEK_BUF_LEN / 2];
unsigned char buf_normal[MSG_PEEK_BUF_LEN];
@ -298,7 +304,11 @@ static void test_stream_msg_peek_server(const struct test_opts *opts)
ssize_t res;
int fd;
fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
if (seqpacket)
fd = vsock_seqpacket_accept(VMADDR_CID_ANY, 1234, NULL);
else
fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
if (fd < 0) {
perror("accept");
exit(EXIT_FAILURE);
@ -340,6 +350,21 @@ static void test_stream_msg_peek_server(const struct test_opts *opts)
exit(EXIT_FAILURE);
}
if (seqpacket) {
/* This type of socket supports MSG_TRUNC flag,
* so check it with MSG_PEEK. We must get length
* of the message.
*/
res = recv(fd, buf_half, sizeof(buf_half), MSG_PEEK |
MSG_TRUNC);
if (res != sizeof(buf_peek)) {
fprintf(stderr,
"recv(2) + MSG_PEEK | MSG_TRUNC, exp %zu, got %zi\n",
sizeof(buf_half), res);
exit(EXIT_FAILURE);
}
}
res = recv(fd, buf_normal, sizeof(buf_normal), 0);
if (res != sizeof(buf_normal)) {
fprintf(stderr, "recv(2), expected %zu, got %zi\n",
@ -356,6 +381,16 @@ static void test_stream_msg_peek_server(const struct test_opts *opts)
close(fd);
}
static void test_stream_msg_peek_client(const struct test_opts *opts)
{
return test_msg_peek_client(opts, false);
}
static void test_stream_msg_peek_server(const struct test_opts *opts)
{
return test_msg_peek_server(opts, false);
}
#define SOCK_BUF_SIZE (2 * 1024 * 1024)
#define MAX_MSG_SIZE (32 * 1024)
@ -1125,6 +1160,16 @@ static void test_stream_virtio_skb_merge_server(const struct test_opts *opts)
close(fd);
}
static void test_seqpacket_msg_peek_client(const struct test_opts *opts)
{
return test_msg_peek_client(opts, true);
}
static void test_seqpacket_msg_peek_server(const struct test_opts *opts)
{
return test_msg_peek_server(opts, true);
}
static struct test_case test_cases[] = {
{
.name = "SOCK_STREAM connection reset",
@ -1200,6 +1245,11 @@ static struct test_case test_cases[] = {
.run_client = test_stream_virtio_skb_merge_client,
.run_server = test_stream_virtio_skb_merge_server,
},
{
.name = "SOCK_SEQPACKET MSG_PEEK",
.run_client = test_seqpacket_msg_peek_client,
.run_server = test_seqpacket_msg_peek_server,
},
{},
};