1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 #ifndef UTIL_H 3 #define UTIL_H 4 5 #include <sys/socket.h> 6 #include <linux/vm_sockets.h> 7 8 /* Tests can either run as the client or the server */ 9 enum test_mode { 10 TEST_MODE_UNSET, 11 TEST_MODE_CLIENT, 12 TEST_MODE_SERVER 13 }; 14 15 /* Test runner options */ 16 struct test_opts { 17 enum test_mode mode; 18 unsigned int peer_cid; 19 }; 20 21 /* A test case definition. Test functions must print failures to stderr and 22 * terminate with exit(EXIT_FAILURE). 23 */ 24 struct test_case { 25 const char *name; /* human-readable name */ 26 27 /* Called when test mode is TEST_MODE_CLIENT */ 28 void (*run_client)(const struct test_opts *opts); 29 30 /* Called when test mode is TEST_MODE_SERVER */ 31 void (*run_server)(const struct test_opts *opts); 32 33 bool skip; 34 }; 35 36 void init_signals(void); 37 unsigned int parse_cid(const char *str); 38 int vsock_stream_connect(unsigned int cid, unsigned int port); 39 int vsock_seqpacket_connect(unsigned int cid, unsigned int port); 40 int vsock_stream_accept(unsigned int cid, unsigned int port, 41 struct sockaddr_vm *clientaddrp); 42 int vsock_seqpacket_accept(unsigned int cid, unsigned int port, 43 struct sockaddr_vm *clientaddrp); 44 void vsock_wait_remote_close(int fd); 45 void send_buf(int fd, const void *buf, size_t len, int flags, 46 ssize_t expected_ret); 47 void recv_buf(int fd, void *buf, size_t len, int flags, ssize_t expected_ret); 48 void send_byte(int fd, int expected_ret, int flags); 49 void recv_byte(int fd, int expected_ret, int flags); 50 void run_tests(const struct test_case *test_cases, 51 const struct test_opts *opts); 52 void list_tests(const struct test_case *test_cases); 53 void skip_test(struct test_case *test_cases, size_t test_cases_len, 54 const char *test_id_str); 55 unsigned long hash_djb2(const void *data, size_t len); 56 size_t iovec_bytes(const struct iovec *iov, size_t iovnum); 57 unsigned long iovec_hash_djb2(const struct iovec *iov, size_t iovnum); 58 struct iovec *alloc_test_iovec(const struct iovec *test_iovec, int iovnum); 59 void free_test_iovec(const struct iovec *test_iovec, 60 struct iovec *iovec, int iovnum); 61 #endif /* UTIL_H */ 62