linux_dsm_epyc7002/tools/testing/vsock/util.h
Stefan Hajnoczi 092f32ae62 VSOCK: add send_byte()/recv_byte() test utilities
Test cases will want to transfer data.  This patch adds utility
functions to do this.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-20 21:09:21 -08:00

45 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef UTIL_H
#define UTIL_H
#include <sys/socket.h>
#include <linux/vm_sockets.h>
/* Tests can either run as the client or the server */
enum test_mode {
TEST_MODE_UNSET,
TEST_MODE_CLIENT,
TEST_MODE_SERVER
};
/* Test runner options */
struct test_opts {
enum test_mode mode;
unsigned int peer_cid;
};
/* A test case definition. Test functions must print failures to stderr and
* terminate with exit(EXIT_FAILURE).
*/
struct test_case {
const char *name; /* human-readable name */
/* Called when test mode is TEST_MODE_CLIENT */
void (*run_client)(const struct test_opts *opts);
/* Called when test mode is TEST_MODE_SERVER */
void (*run_server)(const struct test_opts *opts);
};
void init_signals(void);
unsigned int parse_cid(const char *str);
int vsock_stream_connect(unsigned int cid, unsigned int port);
int vsock_stream_accept(unsigned int cid, unsigned int port,
struct sockaddr_vm *clientaddrp);
void send_byte(int fd, int expected_ret, int flags);
void recv_byte(int fd, int expected_ret, int flags);
void run_tests(const struct test_case *test_cases,
const struct test_opts *opts);
#endif /* UTIL_H */