static int method_echo(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
char *str;
const char *intf = sd_bus_message_get_interface(m),
*path = sd_bus_message_get_path(m);
sd_bus *bus = sd_bus_message_get_bus(m);
char response[512] = {0};
int r;
/* Read the parameters */
r = sd_bus_message_read(m, "s", &str);
if (r < 0) {
fprintf(stderr, "Failed to parse parameters: %s\n", strerror(-r));
return r;
}
r = sd_bus_emit_signal(bus, path, intf, "MethodInvoked", "ss",
"Echo method was invoked", path);
if (r < 0) {
fprintf(stderr, "Failed to emit signal: %s\n", strerror(-r));
return r;
}
strncat(response, path, 128);
strcat(response, " says ");
strncat(response, str, 128);
/* Reply with the response */
return sd_bus_reply_method_return(m, "s", &response);
}
/* called when the object for the service is called */
static int api_dbus_server_on_object_called(sd_bus_message *message, void *userdata, sd_bus_error *ret_error)
{
int rc;
const char *method;
const char *uuid;
struct dbus_req *dreq;
struct api_dbus *api = userdata;
struct afb_req areq;
uint32_t flags;
/* check the interface */
if (strcmp(sd_bus_message_get_interface(message), api->name) != 0)
return 0;
/* get the method */
method = sd_bus_message_get_member(message);
/* create the request */
dreq = calloc(1 , sizeof *dreq);
if (dreq == NULL) {
sd_bus_reply_method_errorf(message, SD_BUS_ERROR_NO_MEMORY, "out of memory");
return 1;
}
/* get the data */
rc = sd_bus_message_read(message, "ssu", &dreq->request, &uuid, &flags);
if (rc < 0) {
sd_bus_reply_method_errorf(message, SD_BUS_ERROR_INVALID_SIGNATURE, "invalid signature");
free(dreq);
return 1;
}
/* connect to the context */
if (afb_context_connect(&dreq->context, uuid, NULL) < 0) {
sd_bus_reply_method_errorf(message, SD_BUS_ERROR_NO_MEMORY, "out of memory");
free(dreq);
return 1;
}
/* fulfill the request and emit it */
dreq->context.flags = flags;
dreq->message = sd_bus_message_ref(message);
dreq->json = NULL;
dreq->refcount = 1;
areq.itf = &dbus_req_itf;
areq.closure = dreq;
afb_apis_call_(areq, &dreq->context, api->api, method);
dbus_req_unref(dreq);
return 1;
}
static int match_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
log_info("Match triggered! interface=%s member=%s", strna(sd_bus_message_get_interface(m)), strna(sd_bus_message_get_member(m)));
return 0;
}
