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/* 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);
bool skip;
};
void init_signals(void);
unsigned int parse_cid(const char *str);
int vsock_stream_connect(unsigned int cid, unsigned int port);
int vsock_seqpacket_connect(unsigned int cid, unsigned int port);
int vsock_stream_accept(unsigned int cid, unsigned int port,
struct sockaddr_vm *clientaddrp);
int vsock_seqpacket_accept(unsigned int cid, unsigned int port,
struct sockaddr_vm *clientaddrp);
void vsock_wait_remote_close(int fd);
void send_buf(int fd, const void *buf, size_t len, int flags,
ssize_t expected_ret);
void recv_buf(int fd, void *buf, size_t len, int flags, ssize_t expected_ret);
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);
void list_tests(const struct test_case *test_cases);
void skip_test(struct test_case *test_cases, size_t test_cases_len,
const char *test_id_str);
unsigned long hash_djb2(const void *data, size_t len);
#endif /* UTIL_H */
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