-#include "util.h"
+#include "json_helper.hpp"
+#include "util.hpp"
#include "wayland.hpp"
-#include <unistd.h>
+#include <algorithm>
+#include <json.h>
-#include <stdlib.h>
-#include <string.h>
+extern "C" {
+#include <afb/afb-binding.h>
+#include <systemd/sd-event.h>
+}
-#include <map>
-#include <memory>
-#include <string>
-#include <vector>
+namespace {
+struct wayland {
+ std::unique_ptr<wl::display> display;
+ std::unique_ptr<genivi::controller> controller;
+ std::vector<std::unique_ptr<wl::output>> outputs;
-#include <sys/poll.h>
+ wayland() : display(new wl::display), controller(nullptr), outputs() {}
-struct conn {
- std::vector<std::unique_ptr<wl::output>> outputs;
- std::unique_ptr<genivi::controller> c;
+ int init();
};
-namespace {
-int check_events(struct wl::display *d, struct conn *c, int fd) {
- struct pollfd pfd[2] = {{.fd = d->get_fd(), .events = POLLIN, .revents = 0},
- {.fd = fd, .events = POLLIN, .revents = 0}};
-
- d->flush();
+struct wayland *g_wayland;
- if (poll(pfd, fd != -1 ? 2 : 1, -1) != -1 && errno != EINTR) {
- int ret = 0;
+int wayland::init() {
+ if (!this->display->ok()) {
+ return -1;
+ }
- if (pfd[0].revents & POLLIN) {
- ret = d->dispatch();
- }
+ this->display->r.add_global_handler("wl_output", [](wl_registry *r,
+ uint32_t name,
+ uint32_t v) {
+ g_wayland->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
+ });
+
+ this->display->r.add_global_handler(
+ "ivi_controller", [](wl_registry *r, uint32_t name, uint32_t v) {
+ g_wayland->controller =
+ std::make_unique<genivi::controller>(r, name, v);
+
+ // XXX: This protocol needs the output, so lets just add our mapping
+ // here...
+ g_wayland->controller->add_proxy_to_id_mapping(
+ g_wayland->outputs.back()->proxy.get(),
+ wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
+ g_wayland->outputs.back()->proxy.get())));
+ });
- if (ret == -1)
- return ret;
-
- if (fd != -1 && (pfd[1].revents & POLLIN)) {
- char buf[256];
-
- // read all there is ...
- while (read(pfd[1].fd, buf, sizeof(buf)) == sizeof(buf))
- ;
-
- // Display current status
- if (!c->c->surfaces.empty()) {
- puts("Surfaces:");
- for (auto const &i : c->c->surfaces) {
- struct genivi::rect const &r = i.second->dst_rect;
- struct genivi::size const &s = i.second->size;
- printf("%d [%ux%u] (%ux%u@%dx%d), ", i.first, s.w, s.h, r.w, r.h,
- r.x, r.y);
- }
- puts("\b\b ");
- }
- }
- }
+ // First level objects
+ this->display->roundtrip();
+ // Second level objects
+ this->display->roundtrip();
+ // Third level objects
+ this->display->roundtrip();
return 0;
}
-void init_layout(struct conn &c) {
- struct wl::output &o = *c.outputs.begin()->get();
- struct genivi::screen &s = *c.c->screens.begin()->second;
- auto &layers = c.c->layers;
+// _ _ _ _ _ ____
+// (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \
+// | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | |
+// | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | |
+// |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | |
+// |_____| |___/ \_\/_/
+char const *init_layout() {
+ if (!g_wayland->controller) {
+ return "ivi_controller global not available";
+ }
+
+ if (g_wayland->outputs.empty()) {
+ return "no output was set up!";
+ }
+
+ auto &c = g_wayland->controller;
+
+ auto &o = g_wayland->outputs.front();
+ auto &s = c->screens.begin()->second;
+ auto &layers = c->layers;
// XXX: Write output dimensions to ivi controller...
- c.c->output_size = genivi::size{uint32_t(o.width), uint32_t(o.height)};
+ c->output_size = genivi::size{uint32_t(o->width), uint32_t(o->height)};
+
+ // Clear scene
+ layers.clear();
+
+ // Clear screen
+ s->clear();
// Setup our dummy scene...
- if (layers.find(100) == layers.end()) {
- logdebug("Creating layer 100 with output dimensions (%ux%u)", o.width, o.height);
- c.c->layer_create(100, o.width, o.height);
- }
+ c->layer_create(100, 0, 0); // bottom layer, anything else
+ c->layer_create(1000, 0, 0); // top layer, mandelbrot
- struct genivi::layer &l = *c.c->layers[100].get();
+ auto &l100 = c->layers[100];
+ auto &l1k = c->layers[1000];
- l.set_destination_rectangle(0, 0, o.width, o.height);
- s.clear();
+ // 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);
- logdebug("Add layer 100 to screen %u", s.id);
- s.add_layer(&l);
+ // Add layers to screen
+ s->set_render_order({100, 1000});
- c.c->commit_changes();
- // Note: this does not flush the display!
-}
+ c->commit_changes();
+
+ g_wayland->display->flush();
+
+ return nullptr;
}
-int main(int argc, char **argv) {
- lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
+int display_event_callback(sd_event_source *evs, int fd, uint32_t events,
+ void *data) {
+ if ((events & EPOLLHUP) != 0) {
+ logerror("The compositor hung up, dying now.");
+ delete g_wayland;
+ g_wayland = nullptr;
+ goto error;
+ }
- if (!getenv("XDG_RUNTIME_DIR"))
- fatal("Environment variable XDG_RUNTIME_DIR not set");
+ if (events & EPOLLIN) {
+ int ret = g_wayland->display->dispatch();
+ if (ret == -1) {
+ logerror("wl_display_dipatch() returned error %d",
+ g_wayland->display->get_error());
+ goto error;
+ }
+ g_wayland->display->flush();
- auto d = std::make_unique<wl::display>();
- if (!d->ok())
- fatal("Could not connect to compositor");
+ // execute pending tasks, that is layout changes etc.
+ g_wayland->controller->execute_pending();
+ g_wayland->display->roundtrip();
+ }
- struct conn c = {};
+ return 0;
- d->r->add_global_handler(
- "ivi_controller", [&](wl_registry *r, uint32_t name, uint32_t v) {
- c.c = std::make_unique<genivi::controller>(r, name, v);
- });
+error:
+ sd_event_source_unref(evs);
+ return -1;
+}
- d->r->add_global_handler(
- "wl_output", [&](wl_registry *r, uint32_t name, uint32_t v) {
- c.outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
- });
+// _ _ _ _ _ _ _ ____
+// | |__ (_)_ __ __| (_)_ __ __ _ (_)_ __ (_) |_ / /\ \
+// | '_ \| | '_ \ / _` | | '_ \ / _` | | | '_ \| | __| | | |
+// | |_) | | | | | (_| | | | | | (_| | | | | | | | |_| | | |
+// |_.__/|_|_| |_|\__,_|_|_| |_|\__, |___|_|_| |_|_|\__| | | |
+// |___/_____| \_\/_/
+int binding_init_() {
+ lognotice("WinMan ver. %s", WINMAN_VERSION_STRING);
- // First level objects
- d->roundtrip();
- // Second level objects
- d->roundtrip();
- // Third level objects
- d->roundtrip();
+ if (g_wayland != nullptr) {
+ logerror("Wayland context already initialized?");
+ return 0;
+ }
- if (!c.c)
- fatal("ivi_controller global not available");
+ if (getenv("XDG_RUNTIME_DIR") == nullptr) {
+ logerror("Environment variable XDG_RUNTIME_DIR not set");
+ goto error;
+ }
- if (c.outputs.empty())
- fatal("no output was set up!");
+ g_wayland = new wayland;
+ if (g_wayland->init() == -1) {
+ logerror("Could not connect to compositor");
+ goto error;
+ }
- init_layout(c);
+ if (char const *e = init_layout()) {
+ logerror("Could not init layout: %s", e);
+ goto error;
+ }
- while (check_events(d.get(), &c, STDIN_FILENO) != -1) {
- c.c->execute_pending();
+ {
+ 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;
+ }
}
- d->roundtrip();
+ 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;
+}
+
+#define CHECK_WAYLAND() \
+ do { \
+ if (g_wayland == nullptr) { \
+ afb_req_fail(req, "failed", \
+ "Binding not initialized, did the compositor die?"); \
+ return; \
+ } \
+ } while (0)
+
+// _ _ _ _ ____
+// __| | ___| |__ _ _ __ _ ___| |_ __ _| |_ _ _ ___ / /\ \
+// / _` |/ _ \ '_ \| | | |/ _` | / __| __/ _` | __| | | / __| | | |
+// | (_| | __/ |_) | |_| | (_| | \__ \ || (_| | |_| |_| \__ \ | | |
+// \__,_|\___|_.__/ \__,_|\__, |___|___/\__\__,_|\__|\__,_|___/ | | |
+// |___/_____| \_\/_/
+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->surfaces));
+ json_object_object_add(o, "layers", to_json(g_wayland->controller->layers));
+ 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->surfaces), "surfaces");
+}
+
+void debug_layers(afb_req req) {
+ afb_req_success(req, to_json(g_wayland->controller->layers), "layers");
+}
+
+#define WRAP(F) \
+ [](afb_req req) noexcept { \
+ CHECK_WAYLAND(); \
+ 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},
+ {},
+};
+} // namespace
+
+extern "C" const struct afb_binding_v2 afbBindingV2 = {
+ "winman", NULL, NULL, verbs, NULL, binding_init, NULL, 1};
Code Review / staging / windowmanager.git / blobdiff