+
+// _ _ _ _ _ _ _ ____
+// | |__ (_)_ __ __| (_)_ __ __ _ (_)_ __ (_) |_ / /\ \
+// | '_ \| | '_ \ / _` | | '_ \ / _` | | | '_ \| | __| | | |
+// | |_) | | | | | (_| | | | | | (_| | | | | | | | |_| | | |
+// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___|_|_| |_|_|\__| | | |
+// |___/_____| \_\/_/
+int binding_init_() {
+ lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
+
+ if (g_wayland != nullptr) {
+ logerror("Wayland context already initialized?");
+ return 0;
+ }
+
+ if (getenv("XDG_RUNTIME_DIR") == nullptr) {
+ logerror("Environment variable XDG_RUNTIME_DIR not set");
+ goto error;
+ }
+
+ g_wayland = new wayland;
+ if (g_wayland->init() == -1) {
+ logerror("Could not connect to compositor");
+ goto error;
+ }
+
+ if (char const *e = init_layout()) {
+ logerror("Could not init layout: %s", e);
+ goto error;
+ }
+
+ {
+ int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
+ g_wayland->display->get_fd(), EPOLLIN,
+ display_event_callback, g_wayland);
+ if (ret < 0) {
+ logerror("Could not initialize wayland event handler: %d", -ret);
+ goto error;
+ }
+ }
+
+ atexit([] { delete g_wayland; });
+
+ return 0;
+
+error:
+ delete g_wayland;
+ g_wayland = nullptr;
+ return -1;
+}
+
+int binding_init() noexcept {
+ try {
+ return binding_init_();
+ } catch (std::exception &e) {
+ logerror("Uncaught exception in binding_init(): %s", e.what());
+ }
+ return -1;
+}
+
+// _ _ _ _ ____
+// __| | ___| |__ _ _ __ _ ___| |_ __ _| |_ _ _ ___ / /\ \
+// / _` |/ _ \ '_ \| | | |/ _` | / __| __/ _` | __| | | / __| | | |
+// | (_| | __/ |_) | |_| | (_| | \__ \ || (_| | |_| |_| \__ \ | | |
+// \__,_|\___|_.__/ \__,_|\__, |___|___/\__\__,_|\__|\__,_|___/ | | |
+// |___/_____| \_\/_/
+void debug_status(struct afb_req req) {
+ // Quick and dirty, dump current surfaces and layers
+ AFB_REQ_DEBUG(req, "status");
+
+ auto o = json_object_new_object();
+ json_object_object_add(o, "surfaces",
+ to_json(g_wayland->controller->sprops));
+ json_object_object_add(o, "layers", to_json(g_wayland->controller->lprops));
+// json_object_object_add(o, "screens",
+// to_json(g_wayland->controller->screens));
+
+ afb_req_success(req, o, "status");
+}
+
+void debug_surfaces(afb_req req) {
+ afb_req_success(req, to_json(g_wayland->controller->sprops), "surfaces");
+}
+
+void debug_layers(afb_req req) {
+ afb_req_success(req, to_json(g_wayland->controller->lprops), "layers");
+}
+
+// Dummy register_surface implementation
+void register_surface(afb_req req) {
+ AFB_DEBUG("register_surface");
+
+ auto jo = afb_req_json(req);
+ json_object *jappid;
+ if (! json_object_object_get_ex(jo, "appid", &jappid)) {
+ afb_req_fail(req, "failed", "register_surface needs 'appid' integer argument");
+ return;
+ }
+
+ json_object *jsurfid;
+ if (! json_object_object_get_ex(jo, "surfaceid", &jsurfid)) {
+ afb_req_fail(req, "failed", "register_surface needs 'surfaceid' integer argument");
+ return;
+ }
+
+ int32_t appid = json_object_get_int(jappid);
+ int32_t surfid = json_object_get_int(jsurfid);
+
+ if (appid < 0 || appid > 0xff) {
+ afb_req_fail(req, "failed", "invalid appid");
+ return;
+ }
+
+ if (surfid < 0 || surfid > 0xffff) {
+ afb_req_fail(req, "failed", "invalid surfaceid");
+ return;
+ }
+
+ lognotice("register_surface, got appid %d and surfaceid %d", appid, surfid);
+
+ afb_req_success(req, json_object_new_int((appid << 16) + surfid), "success");
+}
+
+#define WRAP(F) \
+ [](afb_req req) noexcept { \
+ if (g_wayland == nullptr) { \
+ afb_req_fail(req, "failed", \
+ "Binding not initialized, did the compositor die?"); \
+ return; \
+ } \
+ try { \
+ F(req); \
+ } catch (std::exception & e) { \
+ afb_req_fail_f(req, "failed", "Uncaught exception: %s", e.what()); \
+ } \
+ }
+
+const struct afb_verb_v2 verbs[] = {
+ {"debug::status", WRAP(debug_status), NULL, NULL, AFB_SESSION_NONE_V2},
+ {"debug::layers", WRAP(debug_layers), NULL, NULL, AFB_SESSION_NONE_V2},
+ {"debug::surfaces", WRAP(debug_surfaces), NULL, NULL, AFB_SESSION_NONE_V2},
+
+ {"register_surface", WRAP(register_surface), NULL, NULL, AFB_SESSION_NONE_V2},
+ {}
+};
+} // namespace
+
+extern "C" const struct afb_binding_v2 afbBindingV2 = {
+ "winman", NULL, NULL, verbs, NULL, binding_init, NULL, 1};