int main(int argc, char *argv[]) { _cleanup_close_ int bus_ref = -1; _cleanup_free_ char *name = NULL, *bus_name = NULL, *address = NULL; _cleanup_bus_message_unref_ sd_bus_message *m = NULL; _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; const char *ua = NULL, *ub = NULL, *the_string = NULL; sd_bus *a, *b; int r, pipe_fds[2]; const char *nn; log_set_max_level(LOG_DEBUG); assert_se(asprintf(&name, "deine-mutter-%u", (unsigned) getpid()) >= 0); bus_ref = bus_kernel_create_bus(name, false, &bus_name); if (bus_ref == -ENOENT) return EXIT_TEST_SKIP; assert_se(bus_ref >= 0); address = strappend("kernel:path=", bus_name); assert_se(address); r = sd_bus_new(&a); assert_se(r >= 0); r = sd_bus_new(&b); assert_se(r >= 0); r = sd_bus_set_name(a, "a"); assert_se(r >= 0); r = sd_bus_set_address(a, address); assert_se(r >= 0); r = sd_bus_set_address(b, address); assert_se(r >= 0); assert_se(sd_bus_negotiate_timestamp(a, 1) >= 0); assert_se(sd_bus_negotiate_creds(a, _SD_BUS_CREDS_ALL) >= 0); assert_se(sd_bus_negotiate_timestamp(b, 1) >= 0); assert_se(sd_bus_negotiate_creds(b, _SD_BUS_CREDS_ALL) >= 0); r = sd_bus_start(a); assert_se(r >= 0); r = sd_bus_start(b); assert_se(r >= 0); r = sd_bus_get_unique_name(a, &ua); assert_se(r >= 0); printf("unique a: %s\n", ua); r = sd_bus_get_name(a, &nn); assert_se(r >= 0); printf("name of a: %s\n", nn); r = sd_bus_get_unique_name(b, &ub); assert_se(r >= 0); printf("unique b: %s\n", ub); r = sd_bus_get_name(b, &nn); assert_se(r >= 0); printf("name of b: %s\n", nn); r = sd_bus_call_method(a, "this.doesnt.exist", "/foo", "meh.mah", "muh", &error, NULL, "s", "yayayay"); assert_se(sd_bus_error_has_name(&error, SD_BUS_ERROR_SERVICE_UNKNOWN)); assert_se(r == -EHOSTUNREACH); r = sd_bus_add_match(b, "interface='waldo.com',member='Piep'", NULL, NULL); assert_se(r >= 0); r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name"); assert_se(r >= 0); r = sd_bus_try_close(b); assert_se(r == -EBUSY); r = sd_bus_process_priority(b, -10, &m); assert_se(r == -ENOMSG); r = sd_bus_process(b, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m, stdout, true); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "s", &the_string); assert_se(r >= 0); assert_se(streq(the_string, "I am a string")); sd_bus_message_unref(m); m = NULL; r = sd_bus_request_name(a, "net.x0pointer.foobar", 0); assert_se(r >= 0); r = sd_bus_message_new_method_call(b, &m, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod"); assert_se(r >= 0); assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0); assert_se(write(pipe_fds[1], "x", 1) == 1); pipe_fds[1] = safe_close(pipe_fds[1]); r = sd_bus_message_append(m, "h", pipe_fds[0]); assert_se(r >= 0); pipe_fds[0] = safe_close(pipe_fds[0]); r = sd_bus_send(b, m, NULL); assert_se(r >= 0); for (;;) { sd_bus_message_unref(m); m = NULL; r = sd_bus_process(a, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m, stdout, true); assert_se(sd_bus_message_rewind(m, true) >= 0); if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) { int fd; char x; r = sd_bus_message_read(m, "h", &fd); assert_se(r >= 0); assert_se(read(fd, &x, 1) == 1); assert_se(x == 'x'); break; } } r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r >= 0); r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r == -ESRCH); r = sd_bus_try_close(a); assert_se(r >= 0); sd_bus_unref(a); sd_bus_unref(b); return 0; }
int main(int argc, char *argv[]) { _cleanup_(sd_bus_unrefp) sd_bus *a = NULL, *b = NULL; sd_id128_t server_id; bool is_unix; int r, in_fd, out_fd; log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); log_parse_environment(); log_open(); r = parse_argv(argc, argv); if (r <= 0) goto finish; r = sd_listen_fds(0); if (r == 0) { in_fd = STDIN_FILENO; out_fd = STDOUT_FILENO; } else if (r == 1) { in_fd = SD_LISTEN_FDS_START; out_fd = SD_LISTEN_FDS_START; } else { log_error("Illegal number of file descriptors passed."); goto finish; } is_unix = sd_is_socket(in_fd, AF_UNIX, 0, 0) > 0 && sd_is_socket(out_fd, AF_UNIX, 0, 0) > 0; r = sd_bus_new(&a); if (r < 0) { log_error_errno(r, "Failed to allocate bus: %m"); goto finish; } if (arg_transport == BUS_TRANSPORT_MACHINE) r = bus_set_address_system_machine(a, arg_bus_path); else r = sd_bus_set_address(a, arg_bus_path); if (r < 0) { log_error_errno(r, "Failed to set address to connect to: %m"); goto finish; } r = sd_bus_negotiate_fds(a, is_unix); if (r < 0) { log_error_errno(r, "Failed to set FD negotiation: %m"); goto finish; } r = sd_bus_start(a); if (r < 0) { log_error_errno(r, "Failed to start bus client: %m"); goto finish; } r = sd_bus_get_bus_id(a, &server_id); if (r < 0) { log_error_errno(r, "Failed to get server ID: %m"); goto finish; } r = sd_bus_new(&b); if (r < 0) { log_error_errno(r, "Failed to allocate bus: %m"); goto finish; } r = sd_bus_set_fd(b, in_fd, out_fd); if (r < 0) { log_error_errno(r, "Failed to set fds: %m"); goto finish; } r = sd_bus_set_server(b, 1, server_id); if (r < 0) { log_error_errno(r, "Failed to set server mode: %m"); goto finish; } r = sd_bus_negotiate_fds(b, is_unix); if (r < 0) { log_error_errno(r, "Failed to set FD negotiation: %m"); goto finish; } r = sd_bus_set_anonymous(b, true); if (r < 0) { log_error_errno(r, "Failed to set anonymous authentication: %m"); goto finish; } r = sd_bus_start(b); if (r < 0) { log_error_errno(r, "Failed to start bus client: %m"); goto finish; } for (;;) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; int events_a, events_b, fd; uint64_t timeout_a, timeout_b, t; struct timespec _ts, *ts; r = sd_bus_process(a, &m); if (r < 0) { log_error_errno(r, "Failed to process bus a: %m"); goto finish; } if (m) { r = sd_bus_send(b, m, NULL); if (r < 0) { log_error_errno(r, "Failed to send message: %m"); goto finish; } } if (r > 0) continue; r = sd_bus_process(b, &m); if (r < 0) { /* treat 'connection reset by peer' as clean exit condition */ if (r == -ECONNRESET) r = 0; goto finish; } if (m) { r = sd_bus_send(a, m, NULL); if (r < 0) { log_error_errno(r, "Failed to send message: %m"); goto finish; } } if (r > 0) continue; fd = sd_bus_get_fd(a); if (fd < 0) { r = fd; log_error_errno(r, "Failed to get fd: %m"); goto finish; } events_a = sd_bus_get_events(a); if (events_a < 0) { r = events_a; log_error_errno(r, "Failed to get events mask: %m"); goto finish; } r = sd_bus_get_timeout(a, &timeout_a); if (r < 0) { log_error_errno(r, "Failed to get timeout: %m"); goto finish; } events_b = sd_bus_get_events(b); if (events_b < 0) { r = events_b; log_error_errno(r, "Failed to get events mask: %m"); goto finish; } r = sd_bus_get_timeout(b, &timeout_b); if (r < 0) { log_error_errno(r, "Failed to get timeout: %m"); goto finish; } t = timeout_a; if (t == (uint64_t) -1 || (timeout_b != (uint64_t) -1 && timeout_b < timeout_a)) t = timeout_b; if (t == (uint64_t) -1) ts = NULL; else { usec_t nw; nw = now(CLOCK_MONOTONIC); if (t > nw) t -= nw; else t = 0; ts = timespec_store(&_ts, t); } { struct pollfd p[3] = { {.fd = fd, .events = events_a, }, {.fd = STDIN_FILENO, .events = events_b & POLLIN, }, {.fd = STDOUT_FILENO, .events = events_b & POLLOUT, }};
int main(int argc, char *argv[]) { _cleanup_close_ int bus_ref = -1; _cleanup_free_ char *bus_name = NULL, *address = NULL; _cleanup_bus_message_unref_ sd_bus_message *m = NULL; const char *ua = NULL, *ub = NULL, *the_string = NULL; sd_bus *a, *b; int r, pipe_fds[2]; bus_ref = bus_kernel_create("deine-mutter", &bus_name); if (bus_ref == -ENOENT) return EXIT_TEST_SKIP; assert_se(bus_ref >= 0); address = strappend("kernel:path=", bus_name); assert_se(address); r = sd_bus_new(&a); assert_se(r >= 0); r = sd_bus_new(&b); assert_se(r >= 0); r = sd_bus_set_address(a, address); assert_se(r >= 0); r = sd_bus_set_address(b, address); assert_se(r >= 0); r = sd_bus_start(a); assert_se(r >= 0); r = sd_bus_start(b); assert_se(r >= 0); r = sd_bus_get_unique_name(a, &ua); assert_se(r >= 0); printf("unique a: %s\n", ua); r = sd_bus_get_unique_name(b, &ub); assert_se(r >= 0); printf("unique b: %s\n", ub); { //FIXME: struct kdbus_cmd_match cmd_match; cmd_match.size = sizeof(cmd_match); cmd_match.src_id = KDBUS_MATCH_SRC_ID_ANY; r = ioctl(sd_bus_get_fd(a), KDBUS_CMD_MATCH_ADD, &cmd_match); assert_se(r >= 0); r = ioctl(sd_bus_get_fd(b), KDBUS_CMD_MATCH_ADD, &cmd_match); assert_se(r >= 0); } r = sd_bus_emit_signal(a, "/foo/bar/waldo", "waldo.com", "Piep", "sss", "I am a string", "/this/is/a/path", "and.this.a.domain.name"); assert_se(r >= 0); r = sd_bus_process(b, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "s", &the_string); assert_se(r >= 0); assert_se(streq(the_string, "I am a string")); sd_bus_message_unref(m); m = NULL; r = sd_bus_request_name(a, "net.x0pointer.foobar", 0); assert_se(r >= 0); r = sd_bus_message_new_method_call(b, "net.x0pointer.foobar", "/a/path", "an.inter.face", "AMethod", &m); assert_se(r >= 0); assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0); assert_se(write(pipe_fds[1], "x", 1) == 1); close_nointr_nofail(pipe_fds[1]); pipe_fds[1] = -1; r = sd_bus_message_append(m, "h", pipe_fds[0]); assert_se(r >= 0); close_nointr_nofail(pipe_fds[0]); pipe_fds[0] = -1; r = sd_bus_send(b, m, NULL); assert_se(r >= 0); for (;;) { sd_bus_message_unref(m); m = NULL; r = sd_bus_process(a, &m); assert_se(r > 0); assert_se(m); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); if (sd_bus_message_is_method_call(m, "an.inter.face", "AMethod")) { int fd; char x; r = sd_bus_message_read(m, "h", &fd); assert_se(r >= 0); assert_se(read(fd, &x, 1) == 1); assert_se(x == 'x'); break; } } r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r >= 0); r = sd_bus_release_name(a, "net.x0pointer.foobar"); assert_se(r == -ESRCH); sd_bus_unref(a); sd_bus_unref(b); return 0; }
int main(int argc, char *argv[]) { _cleanup_bus_unref_ sd_bus *a = NULL, *b = NULL; sd_id128_t server_id; bool is_unix; int r; if (argc > 1) { log_error("This program takes no argument."); return EXIT_FAILURE; } log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); log_parse_environment(); log_open(); is_unix = sd_is_socket(STDIN_FILENO, AF_UNIX, 0, 0) > 0 && sd_is_socket(STDOUT_FILENO, AF_UNIX, 0, 0) > 0; r = sd_bus_new(&a); if (r < 0) { log_error("Failed to allocate bus: %s", strerror(-r)); goto finish; } r = sd_bus_set_address(a, "unix:path=/run/dbus/system_bus_socket"); if (r < 0) { log_error("Failed to set address to connect to: %s", strerror(-r)); goto finish; } r = sd_bus_negotiate_fds(a, is_unix); if (r < 0) { log_error("Failed to set FD negotiation: %s", strerror(-r)); goto finish; } r = sd_bus_start(a); if (r < 0) { log_error("Failed to start bus client: %s", strerror(-r)); goto finish; } r = sd_bus_get_server_id(a, &server_id); if (r < 0) { log_error("Failed to get server ID: %s", strerror(-r)); goto finish; } r = sd_bus_new(&b); if (r < 0) { log_error("Failed to allocate bus: %s", strerror(-r)); goto finish; } r = sd_bus_set_fd(b, STDIN_FILENO, STDOUT_FILENO); if (r < 0) { log_error("Failed to set fds: %s", strerror(-r)); goto finish; } r = sd_bus_set_server(b, 1, server_id); if (r < 0) { log_error("Failed to set server mode: %s", strerror(-r)); goto finish; } r = sd_bus_negotiate_fds(b, is_unix); if (r < 0) { log_error("Failed to set FD negotiation: %s", strerror(-r)); goto finish; } r = sd_bus_set_anonymous(b, true); if (r < 0) { log_error("Failed to set anonymous authentication: %s", strerror(-r)); goto finish; } r = sd_bus_start(b); if (r < 0) { log_error("Failed to start bus client: %s", strerror(-r)); goto finish; } for (;;) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int events_a, events_b, fd; uint64_t timeout_a, timeout_b, t; struct timespec _ts, *ts; r = sd_bus_process(a, &m); if (r < 0) { log_error("Failed to process bus: %s", strerror(-r)); goto finish; } if (m) { r = sd_bus_send(b, m, NULL); if (r < 0) { log_error("Failed to send message: %s", strerror(-r)); goto finish; } } if (r > 0) continue; r = sd_bus_process(b, &m); if (r < 0) { log_error("Failed to process bus: %s", strerror(-r)); goto finish; } if (m) { r = sd_bus_send(a, m, NULL); if (r < 0) { log_error("Failed to send message: %s", strerror(-r)); goto finish; } } if (r > 0) continue; fd = sd_bus_get_fd(a); if (fd < 0) { log_error("Failed to get fd: %s", strerror(-r)); goto finish; } events_a = sd_bus_get_events(a); if (events_a < 0) { log_error("Failed to get events mask: %s", strerror(-r)); goto finish; } r = sd_bus_get_timeout(a, &timeout_a); if (r < 0) { log_error("Failed to get timeout: %s", strerror(-r)); goto finish; } events_b = sd_bus_get_events(b); if (events_b < 0) { log_error("Failed to get events mask: %s", strerror(-r)); goto finish; } r = sd_bus_get_timeout(b, &timeout_b); if (r < 0) { log_error("Failed to get timeout: %s", strerror(-r)); goto finish; } t = timeout_a; if (t == (uint64_t) -1 || (timeout_b != (uint64_t) -1 && timeout_b < timeout_a)) t = timeout_b; if (t == (uint64_t) -1) ts = NULL; else { usec_t nw; nw = now(CLOCK_MONOTONIC); if (t > nw) t -= nw; else t = 0; ts = timespec_store(&_ts, t); } { struct pollfd p[3] = { {.fd = fd, .events = events_a, }, {.fd = STDIN_FILENO, .events = events_b & POLLIN, }, {.fd = STDOUT_FILENO, .events = events_b & POLLOUT, }};