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Subject: [RFC PATCH v3 6/6] vsock_test: update message bounds test for MSG_EOR
Date:   Mon, 16 Aug 2021 11:53:00 +0300
Message-ID: <20210816085303.4174626-1-arseny.krasnov@kaspersky.com>
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Set 'MSG_EOR' in one of message sent, check that 'MSG_EOR'
is visible in corresponding message at receiver.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
---
 tools/testing/vsock/vsock_test.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
index 67766bfe176f..2a3638c0a008 100644
--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -282,6 +282,7 @@ static void test_stream_msg_peek_server(const struct test_opts *opts)
 }
 
 #define MESSAGES_CNT 7
+#define MSG_EOR_IDX (MESSAGES_CNT / 2)
 static void test_seqpacket_msg_bounds_client(const struct test_opts *opts)
 {
 	int fd;
@@ -294,7 +295,7 @@ static void test_seqpacket_msg_bounds_client(const struct test_opts *opts)
 
 	/* Send several messages, one with MSG_EOR flag */
 	for (int i = 0; i < MESSAGES_CNT; i++)
-		send_byte(fd, 1, 0);
+		send_byte(fd, 1, (i == MSG_EOR_IDX) ? MSG_EOR : 0);
 
 	control_writeln("SENDDONE");
 	close(fd);
@@ -324,6 +325,11 @@ static void test_seqpacket_msg_bounds_server(const struct test_opts *opts)
 			perror("message bound violated");
 			exit(EXIT_FAILURE);
 		}
+
+		if ((i == MSG_EOR_IDX) ^ !!(msg.msg_flags & MSG_EOR)) {
+			perror("MSG_EOR");
+			exit(EXIT_FAILURE);
+		}
 	}
 
 	close(fd);
-- 
2.25.1