test/vsock: rework message bounds test

This updates message bound test making it more complex. Instead of
sending 1 bytes messages with one MSG_EOR bit, it sends messages of
random length(one half of messages are smaller than page size, second
half are bigger) with random number of MSG_EOR bits set. Receiver
also don't know total number of messages.

Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/testing/vsock/control.c b/tools/testing/vsock/control.c
index 4874872fc5a3..d2deb4b15b94 100644
--- a/tools/testing/vsock/control.c
+++ b/tools/testing/vsock/control.c
@@ -141,6 +141,34 @@ void control_writeln(const char *str)
 	timeout_end();
 }
 
+void control_writeulong(unsigned long value)
+{
+	char str[32];
+
+	if (snprintf(str, sizeof(str), "%lu", value) >= sizeof(str)) {
+		perror("snprintf");
+		exit(EXIT_FAILURE);
+	}
+
+	control_writeln(str);
+}
+
+unsigned long control_readulong(void)
+{
+	unsigned long value;
+	char *str;
+
+	str = control_readln();
+
+	if (!str)
+		exit(EXIT_FAILURE);
+
+	value = strtoul(str, NULL, 10);
+	free(str);
+
+	return value;
+}
+
 /* Return the next line from the control socket (without the trailing newline).
  *
  * The program terminates if a timeout occurs.