// Simple wrapper for a common D-Bus pattern. GVariant * g_dbus_simple_send(GDBusConnection *bus, GDBusMessage *msg, const gchar *type) { GDBusMessage *reply; GVariant *body; gchar *fmt; if (!(reply = g_dbus_send(bus, msg, 0, -1, 0, 0, 0))) { g_object_unref(msg); return NULL; } body = g_dbus_message_get_body(reply); fmt = g_dbus_message_print(reply, 0); g_variant_ref(body); if (g_strcmp0(g_variant_type_peek_string(g_variant_get_type(body)), type) != 0) { g_message("body type %s does not match expected type %s, message: %s", g_variant_type_peek_string(g_variant_get_type(body)), type, fmt); g_variant_unref(body); // return error body = NULL; } g_free(fmt); g_object_unref(reply); g_object_unref(msg); return body; }
int main(int argc, char *argv[]) { _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *copy = NULL; int r, boolean; const char *x, *x2, *y, *z, *a, *b, *c, *d, *a_signature; uint8_t u, v; void *buffer = NULL; size_t sz; char *h; const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array; char *s; _cleanup_free_ char *first = NULL, *second = NULL, *third = NULL; _cleanup_fclose_ FILE *ms = NULL; size_t first_size = 0, second_size = 0, third_size = 0; _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; double dbl; uint64_t u64; r = sd_bus_default_system(&bus); if (r < 0) return EXIT_TEST_SKIP; r = sd_bus_message_new_method_call(bus, &m, "foobar.waldo", "/", "foobar.waldo", "Piep"); assert_se(r >= 0); r = sd_bus_message_append(m, ""); assert_se(r >= 0); r = sd_bus_message_append(m, "s", "a string"); assert_se(r >= 0); r = sd_bus_message_append(m, "s", NULL); assert_se(r >= 0); r = sd_bus_message_append(m, "asg", 2, "string #1", "string #2", "sba(tt)ss"); assert_se(r >= 0); r = sd_bus_message_append(m, "sass", "foobar", 5, "foo", "bar", "waldo", "piep", "pap", "after"); assert_se(r >= 0); r = sd_bus_message_append(m, "a{yv}", 2, 3, "s", "foo", 5, "s", "waldo"); assert_se(r >= 0); r = sd_bus_message_append(m, "y(ty)y(yt)y", 8, 777ULL, 7, 9, 77, 7777ULL, 10); assert_se(r >= 0); r = sd_bus_message_append(m, "()"); assert_se(r >= 0); r = sd_bus_message_append(m, "ba(ss)", 255, 3, "aaa", "1", "bbb", "2", "ccc", "3"); assert_se(r >= 0); r = sd_bus_message_open_container(m, 'a', "s"); assert_se(r >= 0); r = sd_bus_message_append_basic(m, 's', "foobar"); assert_se(r >= 0); r = sd_bus_message_append_basic(m, 's', "waldo"); assert_se(r >= 0); r = sd_bus_message_close_container(m); assert_se(r >= 0); r = sd_bus_message_append_string_space(m, 5, &s); assert_se(r >= 0); strcpy(s, "hallo"); r = sd_bus_message_append_array(m, 'i', integer_array, sizeof(integer_array)); assert_se(r >= 0); r = sd_bus_message_append_array(m, 'u', NULL, 0); assert_se(r >= 0); r = sd_bus_message_append(m, "a(stdo)", 1, "foo", 815ULL, 47.0, "/"); assert_se(r >= 0); r = bus_message_seal(m, 4711, 0); assert_se(r >= 0); bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); ms = open_memstream(&first, &first_size); bus_message_dump(m, ms, 0); fflush(ms); assert_se(!ferror(ms)); r = bus_message_get_blob(m, &buffer, &sz); assert_se(r >= 0); h = hexmem(buffer, sz); assert_se(h); log_info("message size = %zu, contents =\n%s", sz, h); free(h); #ifdef HAVE_GLIB { GDBusMessage *g; char *p; #if !defined(GLIB_VERSION_2_36) g_type_init(); #endif g = g_dbus_message_new_from_blob(buffer, sz, 0, NULL); p = g_dbus_message_print(g, 0); log_info("%s", p); g_free(p); g_object_unref(g); } #endif #ifdef HAVE_DBUS { DBusMessage *w; DBusError error; dbus_error_init(&error); w = dbus_message_demarshal(buffer, sz, &error); if (!w) log_error("%s", error.message); else dbus_message_unref(w); dbus_error_free(&error); } #endif m = sd_bus_message_unref(m); r = bus_message_from_malloc(bus, buffer, sz, NULL, 0, NULL, &m); assert_se(r >= 0); bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER); fclose(ms); ms = open_memstream(&second, &second_size); bus_message_dump(m, ms, 0); fflush(ms); assert_se(!ferror(ms)); assert_se(first_size == second_size); assert_se(memcmp(first, second, first_size) == 0); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "ssasg", &x, &x2, 2, &y, &z, &a_signature); assert_se(r > 0); assert_se(streq(x, "a string")); assert_se(streq(x2, "")); assert_se(streq(y, "string #1")); assert_se(streq(z, "string #2")); assert_se(streq(a_signature, "sba(tt)ss")); r = sd_bus_message_read(m, "sass", &x, 5, &y, &z, &a, &b, &c, &d); assert_se(r > 0); assert_se(streq(x, "foobar")); assert_se(streq(y, "foo")); assert_se(streq(z, "bar")); assert_se(streq(a, "waldo")); assert_se(streq(b, "piep")); assert_se(streq(c, "pap")); assert_se(streq(d, "after")); r = sd_bus_message_read(m, "a{yv}", 2, &u, "s", &x, &v, "s", &y); assert_se(r > 0); assert_se(u == 3); assert_se(streq(x, "foo")); assert_se(v == 5); assert_se(streq(y, "waldo")); r = sd_bus_message_read(m, "y(ty)", &v, &u64, &u); assert_se(r > 0); assert_se(v == 8); assert_se(u64 == 777); assert_se(u == 7); r = sd_bus_message_read(m, "y(yt)", &v, &u, &u64); assert_se(r > 0); assert_se(v == 9); assert_se(u == 77); assert_se(u64 == 7777); r = sd_bus_message_read(m, "y", &v); assert_se(r > 0); assert_se(v == 10); r = sd_bus_message_read(m, "()"); assert_se(r > 0); r = sd_bus_message_read(m, "ba(ss)", &boolean, 3, &x, &y, &a, &b, &c, &d); assert_se(r > 0); assert_se(boolean); assert_se(streq(x, "aaa")); assert_se(streq(y, "1")); assert_se(streq(a, "bbb")); assert_se(streq(b, "2")); assert_se(streq(c, "ccc")); assert_se(streq(d, "3")); assert_se(sd_bus_message_verify_type(m, 'a', "s") > 0); r = sd_bus_message_read(m, "as", 2, &x, &y); assert_se(r > 0); assert_se(streq(x, "foobar")); assert_se(streq(y, "waldo")); r = sd_bus_message_read_basic(m, 's', &s); assert_se(r > 0); assert_se(streq(s, "hallo")); r = sd_bus_message_read_array(m, 'i', (const void**) &return_array, &sz); assert_se(r > 0); assert_se(sz == sizeof(integer_array)); assert_se(memcmp(integer_array, return_array, sz) == 0); r = sd_bus_message_read_array(m, 'u', (const void**) &return_array, &sz); assert_se(r > 0); assert_se(sz == 0); r = sd_bus_message_read(m, "a(stdo)", 1, &x, &u64, &dbl, &y); assert_se(r > 0); assert_se(streq(x, "foo")); assert_se(u64 == 815ULL); assert_se(fabs(dbl - 47.0) < 0.1); assert_se(streq(y, "/")); r = sd_bus_message_peek_type(m, NULL, NULL); assert_se(r == 0); r = sd_bus_message_new_method_call(bus, ©, "foobar.waldo", "/", "foobar.waldo", "Piep"); assert_se(r >= 0); r = sd_bus_message_rewind(m, true); assert_se(r >= 0); r = sd_bus_message_copy(copy, m, true); assert_se(r >= 0); r = bus_message_seal(copy, 4712, 0); assert_se(r >= 0); fclose(ms); ms = open_memstream(&third, &third_size); bus_message_dump(copy, ms, 0); fflush(ms); assert_se(!ferror(ms)); printf("<%.*s>\n", (int) first_size, first); printf("<%.*s>\n", (int) third_size, third); assert_se(first_size == third_size); assert_se(memcmp(first, third, third_size) == 0); r = sd_bus_message_rewind(m, true); assert_se(r >= 0); assert_se(sd_bus_message_verify_type(m, 's', NULL) > 0); r = sd_bus_message_skip(m, "ssasg"); assert_se(r > 0); assert_se(sd_bus_message_verify_type(m, 's', NULL) > 0); r = sd_bus_message_skip(m, "sass"); assert_se(r >= 0); assert_se(sd_bus_message_verify_type(m, 'a', "{yv}") > 0); r = sd_bus_message_skip(m, "a{yv}y(ty)y(yt)y()"); assert_se(r >= 0); assert_se(sd_bus_message_verify_type(m, 'b', NULL) > 0); r = sd_bus_message_read(m, "b", &boolean); assert_se(r > 0); assert_se(boolean); r = sd_bus_message_enter_container(m, 0, NULL); assert_se(r > 0); r = sd_bus_message_read(m, "(ss)", &x, &y); assert_se(r > 0); r = sd_bus_message_read(m, "(ss)", &a, &b); assert_se(r > 0); r = sd_bus_message_read(m, "(ss)", &c, &d); assert_se(r > 0); r = sd_bus_message_read(m, "(ss)", &x, &y); assert_se(r == 0); r = sd_bus_message_exit_container(m); assert_se(r >= 0); assert_se(streq(x, "aaa")); assert_se(streq(y, "1")); assert_se(streq(a, "bbb")); assert_se(streq(b, "2")); assert_se(streq(c, "ccc")); assert_se(streq(d, "3")); test_bus_label_escape(); test_bus_path_encode(); test_bus_path_encode_unique(); test_bus_path_encode_many(); return 0; }
int main(int argc, char *argv[]) { _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int r, boolean; const char *x, *y, *z, *a, *b, *c, *d; uint8_t u, v; void *buffer = NULL; size_t sz; char *h; const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array; r = sd_bus_message_new_method_call(NULL, "foobar.waldo", "/", "foobar.waldo", "Piep", &m); assert_se(r >= 0); r = sd_bus_message_append(m, "s", "a string"); assert_se(r >= 0); r = sd_bus_message_append(m, "s", NULL); assert_se(r < 0); r = sd_bus_message_append(m, "as", 2, "string #1", "string #2"); assert_se(r >= 0); r = sd_bus_message_append(m, "sass", "foobar", 5, "foo", "bar", "waldo", "piep", "pap", "after"); assert_se(r >= 0); r = sd_bus_message_append(m, "a{yv}", 2, 3, "s", "foo", 5, "s", "waldo"); assert_se(r >= 0); r = sd_bus_message_append(m, "ba(ss)", 255, 3, "aaa", "1", "bbb", "2", "ccc", "3"); assert_se(r >= 0); r = sd_bus_message_open_container(m, 'a', "s"); assert_se(r >= 0); r = sd_bus_message_append_basic(m, 's', "foobar"); assert_se(r >= 0); r = sd_bus_message_append_basic(m, 's', "waldo"); assert_se(r >= 0); r = sd_bus_message_close_container(m); assert_se(r >= 0); r = sd_bus_message_append_array(m, 'i', integer_array, sizeof(integer_array)); assert_se(r >= 0); r = bus_message_seal(m, 4711); assert_se(r >= 0); bus_message_dump(m); r = bus_message_get_blob(m, &buffer, &sz); assert_se(r >= 0); h = hexmem(buffer, sz); assert_se(h); log_info("message size = %lu, contents =\n%s", (unsigned long) sz, h); free(h); #ifdef HAVE_GLIB { GDBusMessage *g; char *p; #if !defined(GLIB_VERSION_2_36) g_type_init(); #endif g = g_dbus_message_new_from_blob(buffer, sz, 0, NULL); p = g_dbus_message_print(g, 0); log_info("%s", p); g_free(p); g_object_unref(g); } #endif { DBusMessage *w; DBusError error; dbus_error_init(&error); w = dbus_message_demarshal(buffer, sz, &error); if (!w) { log_error("%s", error.message); } else dbus_message_unref(w); } m = sd_bus_message_unref(m); r = bus_message_from_malloc(buffer, sz, NULL, 0, NULL, NULL, &m); assert_se(r >= 0); bus_message_dump(m); assert_se(sd_bus_message_rewind(m, true) >= 0); r = sd_bus_message_read(m, "sas", &x, 2, &y, &z); assert_se(r > 0); assert_se(streq(x, "a string")); assert_se(streq(y, "string #1")); assert_se(streq(z, "string #2")); r = sd_bus_message_read(m, "sass", &x, 5, &y, &z, &a, &b, &c, &d); assert_se(r > 0); assert_se(streq(x, "foobar")); assert_se(streq(y, "foo")); assert_se(streq(z, "bar")); assert_se(streq(a, "waldo")); assert_se(streq(b, "piep")); assert_se(streq(c, "pap")); assert_se(streq(d, "after")); r = sd_bus_message_read(m, "a{yv}", 2, &u, "s", &x, &v, "s", &y); assert_se(r > 0); assert_se(u == 3); assert_se(streq(x, "foo")); assert_se(v == 5); assert_se(streq(y, "waldo")); r = sd_bus_message_read(m, "ba(ss)", &boolean, 3, &x, &y, &a, &b, &c, &d); assert_se(r > 0); assert_se(boolean); assert_se(streq(x, "aaa")); assert_se(streq(y, "1")); assert_se(streq(a, "bbb")); assert_se(streq(b, "2")); assert_se(streq(c, "ccc")); assert_se(streq(d, "3")); r = sd_bus_message_read(m, "as", 2, &x, &y); assert_se(r > 0); assert_se(streq(x, "foobar")); assert_se(streq(y, "waldo")); r = sd_bus_message_read_array(m, 'i', (const void**) &return_array, &sz); assert_se(r > 0); assert_se(sz == sizeof(integer_array)); assert_se(memcmp(integer_array, return_array, sz) == 0); r = sd_bus_message_peek_type(m, NULL, NULL); assert_se(r == 0); return 0; }