Add session boilerplate

include/xdpw.h

@@ -8,6 +8,10 @@ struct xdpw_request {
 	sd_bus_slot *slot;
 };
 
+struct xdpw_session {
+	sd_bus_slot *slot;
+};
+
 enum {
 	PORTAL_RESPONSE_SUCCESS = 0,
 	PORTAL_RESPONSE_CANCELLED = 1,
@@ -19,4 +23,7 @@ int init_screenshot(sd_bus *bus);
 struct xdpw_request *request_create(sd_bus *bus, const char *object_path);
 void request_destroy(struct xdpw_request *req);
 
+struct xdpw_session *session_create(sd_bus *bus, const char *object_path);
+void session_destroy(struct xdpw_session *req);
+
 #endif

meson.build

@@ -26,6 +26,7 @@ executable(
 	files([
 		'main.c',
 		'request.c',
+		'session.c',
 		'screenshot.c',
 	]),
 	dependencies: [

session.c

@@ -0,0 +1,43 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "xdpw.h"
+
+static const char interface_name[] = "org.freedesktop.impl.portal.Session";
+
+static int method_close(sd_bus_message *msg, void *data,
+		sd_bus_error *ret_error) {
+	// struct xdpw_session *session = data;
+	// TODO
+	printf("Session.Close\n");
+	return 0;
+}
+
+static const sd_bus_vtable session_vtable[] = {
+	SD_BUS_VTABLE_START(0),
+	SD_BUS_METHOD("Close", "", "", method_close, SD_BUS_VTABLE_UNPRIVILEGED),
+	SD_BUS_VTABLE_END
+};
+
+struct xdpw_session *session_create(sd_bus *bus, const char *object_path) {
+	struct xdpw_session *req = calloc(1, sizeof(struct xdpw_session));
+
+	if (sd_bus_add_object_vtable(bus, &req->slot, object_path, interface_name,
+			session_vtable, NULL) < 0) {
+		free(req);
+		fprintf(stderr, "sd_bus_add_object_vtable failed: %s\n",
+			strerror(-errno));
+		return NULL;
+	}
+
+	return req;
+}
+
+void session_destroy(struct xdpw_session *req) {
+	if (req == NULL) {
+		return;
+	}
+	sd_bus_slot_unref(req->slot);
+	free(req);
+}