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sd-bus: add async convenience method call API

This commit is contained in:
Umut Tezduyar Lindskog 2015-06-08 10:00:17 +02:00 committed by Umut Tezduyar Lindskog
parent 7437e0f53a
commit 5d941c92bd
3 changed files with 39 additions and 0 deletions
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1
src/libsystemd/libsystemd.sym.m4
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@ -320,6 +320,7 @@ global:
sd_bus_get_name_creds;
sd_bus_get_name_machine_id;
sd_bus_call_method;
sd_bus_call_method_async;
sd_bus_get_property;
sd_bus_get_property_trivial;
sd_bus_get_property_string;

37
src/libsystemd/sd-bus/bus-convenience.c
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@ -58,6 +58,43 @@ _public_ int sd_bus_emit_signal(
return sd_bus_send(bus, m, NULL);
}
_public_ int sd_bus_call_method_async(
sd_bus *bus,
sd_bus_slot **slot,
const char *destination,
const char *path,
const char *interface,
const char *member,
sd_bus_message_handler_t callback,
void *userdata,
const char *types, ...) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
int r;
assert_return(bus, -EINVAL);
assert_return(!bus_pid_changed(bus), -ECHILD);
if (!BUS_IS_OPEN(bus->state))
return -ENOTCONN;
r = sd_bus_message_new_method_call(bus, &m, destination, path, interface, member);
if (r < 0)
return r;
if (!isempty(types)) {
va_list ap;
va_start(ap, types);
r = bus_message_append_ap(m, types, ap);
va_end(ap);
if (r < 0)
return r;
}
return sd_bus_call_async(bus, slot, m, callback, userdata, 0);
}
_public_ int sd_bus_call_method(
sd_bus *bus,
const char *destination,

1
src/systemd/sd-bus.h
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@ -299,6 +299,7 @@ int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machin
/* Convenience calls */
int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, ...);
int sd_bus_call_method_async(sd_bus *bus, sd_bus_slot **slot, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message_handler_t callback, void *userdata, const char *types, ...);
int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *type);
int sd_bus_get_property_trivial(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char type, void *ret_ptr);
int sd_bus_get_property_string(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char **ret); /* free the result! */