From: Geliang Tang tanggeliang@kylinos.cn
Use public network helpers make_sockaddr() and connect_to_addr() instead of using make_socket() + connect() or make_client().
Now local defined functions inetaddr_len(), make_socket() and make_client() all can be dropped.
Signed-off-by: Geliang Tang tanggeliang@kylinos.cn --- .../selftests/bpf/prog_tests/sk_lookup.c | 83 ++++--------------- 1 file changed, 16 insertions(+), 67 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index e1c5b7d1fb3a..5556796068f0 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -108,46 +108,6 @@ static int attach_reuseport(int sock_fd, struct bpf_program *reuseport_prog) return 0; }
-static socklen_t inetaddr_len(const struct sockaddr_storage *addr) -{ - return (addr->ss_family == AF_INET ? sizeof(struct sockaddr_in) : - addr->ss_family == AF_INET6 ? sizeof(struct sockaddr_in6) : 0); -} - -static int make_socket(int sotype, const char *ip, int port, - struct sockaddr_storage *addr) -{ - struct timeval timeo = { .tv_sec = IO_TIMEOUT_SEC }; - int err, family, fd; - - family = is_ipv6(ip) ? AF_INET6 : AF_INET; - err = make_sockaddr(family, ip, port, addr, NULL); - if (CHECK(err, "make_address", "failed\n")) - return -1; - - fd = socket(addr->ss_family, sotype, 0); - if (CHECK(fd < 0, "socket", "failed\n")) { - log_err("failed to make socket"); - return -1; - } - - err = setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo)); - if (CHECK(err, "setsockopt(SO_SNDTIMEO)", "failed\n")) { - log_err("failed to set SNDTIMEO"); - close(fd); - return -1; - } - - err = setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo)); - if (CHECK(err, "setsockopt(SO_RCVTIMEO)", "failed\n")) { - log_err("failed to set RCVTIMEO"); - close(fd); - return -1; - } - - return fd; -} - static int setsockopts(int fd, void *opts) { struct cb_opts *co = (struct cb_opts *)opts; @@ -195,27 +155,6 @@ static int setsockopts(int fd, void *opts) return err; }
-static int make_client(int sotype, const char *ip, int port) -{ - struct sockaddr_storage addr = {0}; - int err, fd; - - fd = make_socket(sotype, ip, port, &addr); - if (fd < 0) - return -1; - - err = connect(fd, (void *)&addr, inetaddr_len(&addr)); - if (CHECK(err, "make_client", "connect")) { - log_err("failed to connect client socket"); - goto fail; - } - - return fd; -fail: - close(fd); - return -1; -} - static __u64 socket_cookie(int fd) { __u64 cookie; @@ -584,8 +523,13 @@ static void run_lookup_prog(const struct test *t) .post_socket_cb = setsockopts, .cb_opts = &cb_opts, }; + struct network_helper_opts cli_opts = { + .timeout_ms = IO_TIMEOUT_SEC, + }; int server_fds[] = { [0 ... MAX_SERVERS - 1] = -1 }; int client_fd, reuse_conn_fd = -1; + struct sockaddr_storage addr = {}; + socklen_t len = sizeof(addr); struct bpf_link *lookup_link; int i, err;
@@ -616,9 +560,6 @@ static void run_lookup_prog(const struct test *t) * BPF socket lookup. */ if (t->reuseport_has_conns) { - struct sockaddr_storage addr = {}; - socklen_t len = sizeof(addr); - /* Add an extra socket to reuseport group */ reuse_conn_fd = start_server_str(family, t->sotype, t->listen_at.ip, t->listen_at.port, &srv_opts); @@ -635,7 +576,9 @@ static void run_lookup_prog(const struct test *t) goto close; }
- client_fd = make_client(t->sotype, t->connect_to.ip, t->connect_to.port); + if (make_sockaddr(family, t->connect_to.ip, t->connect_to.port, &addr, &len)) + goto close; + client_fd = connect_to_addr(t->sotype, &addr, len, &cli_opts); if (client_fd < 0) goto close;
@@ -1263,10 +1206,14 @@ static void run_multi_prog_lookup(const struct test_multi_prog *t) .post_socket_cb = setsockopts, .cb_opts = &cb_opts, }; + struct network_helper_opts cli_opts = { + .timeout_ms = IO_TIMEOUT_SEC, + }; struct sockaddr_storage dst = {}; int map_fd, server_fd, client_fd; struct bpf_link *link1, *link2; int prog_idx, done, err; + socklen_t len;
map_fd = bpf_map__fd(t->run_map);
@@ -1296,11 +1243,13 @@ static void run_multi_prog_lookup(const struct test_multi_prog *t) if (err) goto out_close_server;
- client_fd = make_socket(SOCK_STREAM, EXT_IP4, EXT_PORT, &dst); + if (make_sockaddr(AF_INET, EXT_IP4, EXT_PORT, &dst, &len)) + goto out_close_server; + client_fd = connect_to_addr(SOCK_STREAM, &dst, len, &cli_opts); if (client_fd < 0) goto out_close_server;
- err = connect(client_fd, (void *)&dst, inetaddr_len(&dst)); + err = 0; if (CHECK(err && !t->expect_errno, "connect", "unexpected error %d\n", errno)) goto out_close_client;