X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fmain.cpp;h=f5d33c7fbebc30c17aae74aea362dd97a7c80217;hb=8e831f9b2e461c94a8ee0e229812bcf2d42ae2a5;hp=8dde44940fdeee6e03777e50766e803c05c14474;hpb=0b491e2b69aa8f24e2e5c5982fd29b2f6952ee60;p=staging%2Fwindowmanager.git diff --git a/src/main.cpp b/src/main.cpp index 8dde449..f5d33c7 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,97 +1,59 @@ -#include "util.h" +#include "util.hpp" #include "wayland.hpp" -#include - -#include -#include -#include - #include +#include -struct connection { - std::vector> outputs; - std::unique_ptr c; -}; +#define AFB_BINDING_VERSION 2 -// _ _ ____ _ _ -// ___| |_ _ __ _ _ ___| |_ | _ \ ___ | | | ___ _ __ -// / __| __| '__| | | |/ __| __| | |_) / _ \| | |/ _ \ '__| -// \__ \ |_| | | |_| | (__| |_ | __/ (_) | | | __/ | -// |___/\__|_| \__,_|\___|\__| |_| \___/|_|_|\___|_| -// -struct Poller { - std::vector> handlers; - std::vector pfds; - - Poller() = default; - void add_fd(int fd, std::function handler); - int check_events(); -}; - -void Poller::add_fd(int fd, std::function handler) { - pfds.emplace_back(pollfd{.fd = fd, .events = POLLIN, .revents = 0}); - handlers.emplace_back(std::move(handler)); +extern "C" { +#include +#include } -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; -} +#include -struct unique_fd { - int fd {-1}; - unique_fd() = default; - explicit unique_fd(int f) : fd{f} {} - operator int() const { return fd; } - ~unique_fd() { - if (this->fd != -1) - close(this->fd); - } - unique_fd(unique_fd const &) = delete; - unique_fd &operator=(unique_fd const &) = delete; - unique_fd(unique_fd &&o) : fd(o.fd) { o.fd = -1; } - unique_fd &operator=(unique_fd &&o) { - std::swap(this->fd, o.fd); - return *this; - } +using json = nlohmann::json; + +namespace { +struct wayland { + std::unique_ptr display; + std::unique_ptr controller; + std::vector> outputs; + sd_event_source *event_source; + + wayland() + : display(new wl::display), + controller(nullptr), + outputs(), + event_source{} {} }; +struct wayland *g_wayland; -namespace { // _ _ _ _ _ ____ // (_)_ __ (_) |_ | | __ _ _ _ ___ _ _| |_ / /\ \ // | | '_ \| | __| | |/ _` | | | |/ _ \| | | | __| | | | // | | | | | | |_ | | (_| | |_| | (_) | |_| | |_| | | | // |_|_| |_|_|\__|___|_|\__,_|\__, |\___/ \__,_|\__| | | | // |_____| |___/ \_\/_/ -char const *init_layout(struct connection &c) { - if (!c.c) { +char const *init_layout() { + if (!g_wayland->controller) { return "ivi_controller global not available"; } - if (c.outputs.empty()) { + if (g_wayland->outputs.empty()) { return "no output was set up!"; } - auto &o = c.outputs.front(); - auto &s = c.c->screens.begin()->second; - auto &layers = c.c->layers; + 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(); @@ -100,11 +62,11 @@ char const *init_layout(struct connection &c) { s->clear(); // 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 + c->layer_create(100, 0, 0); // bottom layer, anything else + c->layer_create(1000, 0, 0); // top layer, mandelbrot - auto &l100 = c.c->layers[100]; - auto &l1k = c.c->layers[1000]; + auto &l100 = c->layers[100]; + auto &l1k = c->layers[1000]; // Set layers fullscreen l100->set_destination_rectangle(0, 0, o->width, o->height); @@ -115,96 +77,197 @@ char const *init_layout(struct connection &c) { // 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; } -} // 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_wayland != nullptr) { + AFB_ERROR("Wayland context already initialized?"); + return -1; } - struct wl::display d {}; - if (!d.ok()) { - fatal("Could not connect to compositor"); + if (getenv("XDG_RUNTIME_DIR") == nullptr) { + AFB_ERROR("Environment variable XDG_RUNTIME_DIR not set"); + return -1; } - struct connection c {}; + g_wayland = new wayland; + if (!g_wayland->display->ok()) { + AFB_ERROR("Could not connect to compositor"); + return -1; + } - d.r.add_global_handler( - "wl_output", [&c](wl_registry *r, uint32_t name, uint32_t v) { - c.outputs.emplace_back(std::make_unique(r, name, v)); - }); + auto &d = g_wayland->display; + d->r.add_global_handler("wl_output", [](wl_registry *r, uint32_t name, + uint32_t v) { + g_wayland->outputs.emplace_back(std::make_unique(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(r, name, v); + d->r.add_global_handler("ivi_controller", [](wl_registry *r, uint32_t name, + uint32_t v) { + g_wayland->controller = std::make_unique(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( - c.outputs.back()->proxy.get()))); - }); + // 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( + g_wayland->outputs.back()->proxy.get()))); + }); // First level objects - d.roundtrip(); + d->roundtrip(); // Second level objects - d.roundtrip(); + d->roundtrip(); // Third level objects - d.roundtrip(); + d->roundtrip(); - if (char const *e = init_layout(c)) { - fatal("Could not init layout: %s", e); + if (char const *e = init_layout()) { + AFB_ERROR("Could not init layout: %s", e); + return -1; } - struct Poller p{}; - p.add_fd(STDIN_FILENO, [&c](int fd) { - int buf; - ssize_t ret; - while ((ret = read(fd, &buf, sizeof(buf))) == sizeof(buf)) { - ; - } - c.c->debug_dump_current_status(); - return ret == 0 ? -1 : 0; - }); + sd_event *ev = afb_daemon_get_event_loop(); + sd_event_add_io( + ev, &g_wayland->event_source, g_wayland->display->get_fd(), + EPOLLIN | EPOLLHUP, + [](sd_event_source *evs, int fd, uint32_t events, void *data) { + if ((events & EPOLLHUP) != 0) { + sd_event_source_unref(evs); + delete g_wayland; + g_wayland = nullptr; + return 1; + } - p.add_fd(d.get_fd(), [&d](int fd) { - return d.dispatch(); - }); + if (events & EPOLLIN) { + int ret = g_wayland->display->dispatch(); + g_wayland->display->flush(); - sigset_t sset{}; - sigemptyset(&sset); - sigaddset(&sset, SIGINT); - sigaddset(&sset, SIGTERM); - - auto sfd = unique_fd(signalfd(-1, &sset, SFD_NONBLOCK | SFD_CLOEXEC)); - sigprocmask(SIG_BLOCK, &sset, NULL); - p.add_fd(sfd.fd, [](int fd) { - struct signalfd_siginfo si; - while (read(fd, &si, sizeof(si)) == sizeof(si)) { - lognotice("Received signal %u", si.ssi_signo); + // execute pending tasks, that is layout changes etc. + g_wayland->controller->execute_pending(); + g_wayland->display->roundtrip(); + return ret == -1 ? -1 : 0; + } + + return 0; + }, + g_wayland); + + atexit([] { delete g_wayland; }); + + return 0; +} + +int binding_init() noexcept { + try { + return binding_init_(); + } catch (std::exception &e) { + AFB_ERROR("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) noexcept { + // Quick and dirty, dump current surfaces and layers + AFB_REQ_DEBUG(req, "status"); + + CHECK_WAYLAND(); + + try { + json j; + + if (!g_wayland->controller->surfaces.empty()) { + auto js = json::array(); + for (auto const &i : g_wayland->controller->surfaces) { + auto const &r = i.second->dst_rect; + auto const &s = i.second->size; + js.push_back({{"id", i.first}, + {"size", {s.w, s.h}}, + {"dst_rect", {r.w, r.h, r.x, r.y}}}); + } + j["surfaces"] = js; } - return -1; - }); - while ((d.flush(), p.check_events()) != -1) { - c.c->execute_pending(); + if (!g_wayland->controller->layers.empty()) { + auto js = json::array(); + for (auto const &i : g_wayland->controller->layers) { + auto const &r = i.second->dst_rect; + auto const &s = i.second->size; + js.push_back({{"id", i.first}, + {"size", {s.w, s.h}}, + {"dst_rect", {r.w, r.h, r.x, r.y}}}); + } + j["layers"] = js; + } + + afb_req_success(req, json_tokener_parse(j.dump().c_str()), "status"); + } catch (std::exception &e) { + afb_req_fail_f(req, "failed", "Uncaught exception: %s", e.what()); + } +} + +void debug_surfaces(afb_req req) { + CHECK_WAYLAND(); + + auto a = json_object_new_array(); + + if (!g_wayland->controller->surfaces.empty()) { + for (auto const &i : g_wayland->controller->surfaces) { + json_object_array_add(a, json_object_new_int(i.first)); + } } - c.c->commit_changes(); - d.roundtrip(); + afb_req_success(req, a, "surfaces"); +} + +void debug_layers(afb_req req) { + CHECK_WAYLAND(); - return 0; + auto a = json_object_new_array(); + + if (!g_wayland->controller->layers.empty()) { + for (auto const &i : g_wayland->controller->layers) { + json_object_array_add(a, json_object_new_int(i.first)); + } + } + + afb_req_success(req, a, "surfaces"); } + +const struct afb_verb_v2 verbs[] = { + {"status", debug_status, NULL, NULL, AFB_SESSION_NONE_V2}, + {"layers", debug_layers, NULL, NULL, AFB_SESSION_NONE_V2}, + {"surfaces", 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};