-#include "util.h"
+/*
+ * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "app.hpp"
+#include "json_helper.hpp"
+#include "util.hpp"
#include "wayland.hpp"
-#include <unistd.h>
+#include <algorithm>
+#include <mutex>
-#include <sys/poll.h>
+#include <json.h>
-struct connection {
- std::vector<std::unique_ptr<wl::output>> outputs;
- std::unique_ptr<genivi::controller> c;
-};
-
-// _ _ ____ _ _
-// ___| |_ _ __ _ _ ___| |_ | _ \ ___ | | | ___ _ __
-// / __| __| '__| | | |/ __| __| | |_) / _ \| | |/ _ \ '__|
-// \__ \ |_| | | |_| | (__| |_ | __/ (_) | | | __/ |
-// |___/\__|_| \__,_|\___|\__| |_| \___/|_|_|\___|_|
-//
-struct Poller {
- std::vector<std::function<int(int)>> handlers;
- std::vector<struct pollfd> pfds;
-
- Poller() = default;
- void add_fd(int fd, std::function<int(int)> handler);
- int check_events();
-};
-
-void Poller::add_fd(int fd, std::function<int(int)> handler) {
- pfds.emplace_back(pollfd{ .fd = fd, .events = POLLIN, .revents = 0 });
- handlers.emplace_back(std::move(handler));
-}
-
-int Poller::check_events() {
- int ret = 0;
- if ((ret = poll(this->pfds.data(), this->pfds.size(), -1)) != -1 && errno != EINTR) {
- for (unsigned i = 0; i < pfds.size(); i++) {
- if (pfds[i].revents & POLLIN) {
- if (handlers[i](pfds[i].fd) == -1) {
- return -1;
- }
- pfds[i].revents = 0;
- pfds[i].events = POLLIN;
- }
- }
- }
- return ret;
+extern "C" {
+#include <afb/afb-binding.h>
+#include <systemd/sd-event.h>
}
namespace {
-// _ _ _ _ _ ____
-// (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
-// | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
-// | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
-// |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
-// |_____| |___/ \_\/_/
-char const *init_layout(struct connection &c) {
- if (!c.c) {
- return "ivi_controller global not available";
- }
- if (c.outputs.empty()) {
- return "no output was set up!";
- }
+struct afb_instance {
+ std::unique_ptr<wl::display> display;
+ wm::App app;
- auto &o = c.outputs.front();
- auto &s = c.c->screens.begin()->second;
- auto &layers = c.c->layers;
+ afb_instance() : display{new wl::display}, app{this->display.get()} {}
- // XXX: Write output dimensions to ivi controller...
- c.c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
+ int init();
+};
- // Clear scene
- layers.clear();
+struct afb_instance *g_afb_instance;
- // Clear screen
- s->clear();
+int afb_instance::init() {
+ if (!this->display->ok()) {
+ return -1;
+ }
- // Setup our dummy scene...
- c.c->layer_create(100, 0, 0); // bottom layer, anything else
- c.c->layer_create(1000, 0, 0); // top layer, mandelbrot
+ return this->app.init();
+}
- auto &l100 = c.c->layers[100];
- auto &l1k = c.c->layers[1000];
+int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
+ void * /*data*/) {
+ ST();
- // Set layers fullscreen
- l100->set_destination_rectangle(0, 0, o->width, o->height);
- l1k->set_destination_rectangle(0, 0, o->width, o->height);
- l100->set_visibility(1);
- l1k->set_visibility(1);
+ if ((events & EPOLLHUP) != 0) {
+ logerror("The compositor hung up, dying now.");
+ delete g_afb_instance;
+ g_afb_instance = nullptr;
+ goto error;
+ }
- // Add layers to screen
- s->set_render_order({100, 1000});
+ if ((events & EPOLLIN) != 0u) {
+ {
+ STN(display_read_events);
+ g_afb_instance->app.display->read_events();
+ g_afb_instance->app.set_pending_events();
+ }
+ {
+ // We want do dispatch pending wayland events from within
+ // the API context
+ STN(winman_ping_api_call);
+ afb_service_call("winman", "ping", json_object_new_object(),
+ [](void *c, int st, json_object *j) {
+ STN(winman_ping_api_call_return);
+ },
+ nullptr);
+ }
+ }
- c.c->commit_changes();
- // Note: this does not flush the display!
+ return 0;
- return nullptr;
+error:
+ sd_event_source_unref(evs);
+ if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr) {
+ exit(1);
+}
+ return -1;
}
-} // namespace
-// _ ____
-// _ __ ___ __ _(_)_ __ / /\ \
-// | '_ ` _ \ / _` | | '_ \| | | |
-// | | | | | | (_| | | | | | | | |
-// |_| |_| |_|\__,_|_|_| |_| | | |
-// \_\/_/
-int main(int /*argc*/, char ** /*argv*/) {
+// _ _ _ _ _ _ _ ____
+// | |__ (_)_ __ __| (_)_ __ __ _ (_)_ __ (_) |_ / /\ \
+// | '_ \| | '_ \ / _` | | '_ \ / _` | | | '_ \| | __| | | |
+// | |_) | | | | | (_| | | | | | (_| | | | | | | | |_| | | |
+// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___|_|_| |_|_|\__| | | |
+// |___/_____| \_\/_/
+int binding_init_() {
lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
- if (getenv("XDG_RUNTIME_DIR") == nullptr) {
- fatal("Environment variable XDG_RUNTIME_DIR not set");
+ if (g_afb_instance != nullptr) {
+ logerror("Wayland context already initialized?");
+ return 0;
}
- struct wl::display d {};
- if (!d.ok()) {
- fatal("Could not connect to compositor");
+ if (getenv("XDG_RUNTIME_DIR") == nullptr) {
+ logerror("Environment variable XDG_RUNTIME_DIR not set");
+ goto error;
}
- struct connection c {};
-
- d.r.add_global_handler(
- "wl_output", [&c](wl_registry *r, uint32_t name, uint32_t v) {
- c.outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
- });
-
- d.r.add_global_handler(
- "ivi_controller", [&c](wl_registry *r, uint32_t name, uint32_t v) {
- c.c = std::make_unique<genivi::controller>(r, name, v);
-
- // XXX: This protocol needs the output, so lets just add our mapping here...
- c.c->add_proxy_to_id_mapping(c.outputs.back()->proxy.get(),
- wl_proxy_get_id(
- reinterpret_cast<struct wl_proxy *>(
- c.outputs.back()->proxy.get())));
- });
-
- // First level objects
- d.roundtrip();
- // Second level objects
- d.roundtrip();
- // Third level objects
- d.roundtrip();
-
- if (char const *e = init_layout(c)) {
- fatal("Could not init layout: %s", e);
+ g_afb_instance = new afb_instance;
+ if (g_afb_instance->init() == -1) {
+ logerror("Could not connect to compositor");
+ goto error;
}
- struct Poller p{};
- p.add_fd(STDIN_FILENO, [&c](int fd) {
- int buf, ret;
- while ((ret = read(fd, &buf, sizeof(buf))) == sizeof(buf)) {
- ;
- }
- c.c->debug_dump_current_status();
- return ret == 0 ? -1 : 0;
- });
-
- p.add_fd(d.get_fd(), [&d](int fd) {
- return d.dispatch();
- });
-
- while ((d.flush(), p.check_events()) != -1) {
- c.c->execute_pending();
+ {
+ int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
+ g_afb_instance->display->get_fd(), EPOLLIN,
+ display_event_callback, g_afb_instance);
+ if (ret < 0) {
+ logerror("Could not initialize afb_instance event handler: %d", -ret);
+ goto error;
+ }
}
+ atexit([] { delete g_afb_instance; });
+
return 0;
+
+error:
+ delete g_afb_instance;
+ g_afb_instance = 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;
+}
+
+} // namespace
+
+#include "afb_binding_glue.inl"
+
+// XXX implement send_event right here...
+namespace wm {
+void binding_api::send_event(char const *evname, char const *label) {
+ logdebug("%s: %s(%s)", __func__, evname, label);
+ int ret = afb_daemon_broadcast_event(evname, json_object_new_string(label));
+ if (ret != 0) {
+ logdebug("afb_event_broadcast failed: %m");
+ }
+}
+} // namespace wm
+
+extern "C" const struct afb_binding_v2 afbBindingV2 = {
+ "winman", nullptr, nullptr, winman_verbs, nullptr, binding_init, nullptr, 0};