X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?p=staging%2Fxdg-launcher.git;a=blobdiff_plain;f=src%2Frunxdg.cpp;fp=src%2Frunxdg.cpp;h=5553ff5ddc0f12bf3726a37a4ed0d5176bb87f03;hp=0000000000000000000000000000000000000000;hb=bb595dc5286a2a41e81cac530d0b4550ffa35441;hpb=22d1b2dcaa3d657346c17c7908f28fe853e59798

diff --git a/src/runxdg.cpp b/src/runxdg.cpp
new file mode 100644
index 0000000..5553ff5
--- /dev/null
+++ b/src/runxdg.cpp
@@ -0,0 +1,621 @@
+/*
+ * Copyright (c) 2017 Panasonic Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+
+#include <cstdio>
+
+#include "cpptoml/cpptoml.h"
+
+#include "runxdg.hpp"
+
+#define RUNXDG_CONFIG "runxdg.toml"
+
+void fatal(const char* format, ...)
+{
+  va_list va_args;
+  va_start(va_args, format);
+  vfprintf(stderr, format, va_args);
+  va_end(va_args);
+
+  exit(EXIT_FAILURE);
+}
+
+void warn(const char* format, ...)
+{
+  va_list va_args;
+  va_start(va_args, format);
+  vfprintf(stderr, format, va_args);
+  va_end(va_args);
+}
+
+void debug(const char* format, ...)
+{
+  va_list va_args;
+  va_start(va_args, format);
+  vfprintf(stderr, format, va_args);
+  va_end(va_args);
+}
+
+void RunXDG::notify_ivi_control_cb (ilmObjectType object, t_ilm_uint id,
+                                    t_ilm_bool created)
+{
+  if (object == ILM_SURFACE) {
+    struct ilmSurfaceProperties surf_props;
+
+    ilm_getPropertiesOfSurface(id, &surf_props);
+    pid_t surf_pid = surf_props.creatorPid;
+
+    if (!created) {
+      AGL_DEBUG("ivi surface (id=%d, pid=%d) destroyed.", id, surf_pid);
+      m_launcher->unregister_surfpid(surf_pid);
+      m_surfaces.erase(surf_pid);
+      return;
+    }
+
+    AGL_DEBUG("ivi surface (id=%d, pid=%d) is created.", id, surf_pid);
+
+    m_launcher->register_surfpid(surf_pid);
+    if (m_launcher->m_rid &&
+        surf_pid == m_launcher->find_surfpid_by_rid(m_launcher->m_rid)) {
+      setup_surface(id);
+    }
+    m_surfaces[surf_pid] = id;
+  } else if (object == ILM_LAYER) {
+    if (created)
+      AGL_DEBUG("ivi layer: %d created.", id);
+    else
+      AGL_DEBUG("ivi layer: %d destroyed.", id);
+  }
+}
+
+void RunXDG::notify_ivi_control_cb_static (ilmObjectType object, t_ilm_uint id,
+                                           t_ilm_bool created, void *user_data)
+{
+  RunXDG *runxdg = static_cast<RunXDG*>(user_data);
+  runxdg->notify_ivi_control_cb(object, id, created);
+}
+
+int POSIXLauncher::launch (std::string& name)
+{
+  pid_t pid;
+
+  pid = fork();
+  if (pid < 0) {
+    AGL_DEBUG("cannot fork()");
+    return -1;
+  }
+
+  if (pid == 0) {
+    // child
+    const char **argv = new const char * [m_args_v.size() + 1];
+    for (unsigned int i = 0; i < m_args_v.size(); ++i) {
+      argv[i] = m_args_v[i].c_str();
+    }
+    argv[m_args_v.size()] = NULL;
+
+    execv(argv[0], (char **)argv);
+
+    AGL_FATAL("fail to execve(%s)", argv[0]);
+  }
+  // parent
+
+  return pid;
+}
+
+void POSIXLauncher::loop (volatile sig_atomic_t& e_flag)
+{
+  int status;
+  pid_t ret;
+
+  while (!e_flag) {
+    ret = waitpid(m_rid, &status, 0);
+    if (ret < 0) {
+      if (errno == EINTR) {
+        AGL_DEBUG("catch EINTR while waitpid()");
+        continue;
+      }
+      break;
+    }
+  }
+
+  if (ret > 0) {
+    if (WIFEXITED(status)) {
+      AGL_DEBUG("%s terminated, return %d", m_args_v[0].c_str(),
+                WEXITSTATUS(status));
+    }
+    if (WIFSIGNALED(status)) {
+      AGL_DEBUG("%s terminated by signal %d", m_args_v[0].c_str(),
+                WTERMSIG(status));
+    }
+  }
+
+  if (e_flag) {
+    /* parent killed by someone, so need to kill children */
+    AGL_DEBUG("killpg(0, SIGTERM)");
+    killpg(0, SIGTERM);
+  }
+}
+
+int AFMDBusLauncher::get_dbus_message_bus (GBusType bus_type,
+                                           GDBusConnection * &conn)
+{
+  GError* err = NULL;
+
+  conn = g_bus_get_sync(bus_type, NULL, &err);
+  if (err) {
+    AGL_WARN("Failed to get session bus: %s", err->message);
+    g_clear_error (&err);
+    return -1;
+  }
+
+  return 0;
+}
+
+int AFMDBusLauncher::launch (std::string &name)
+{
+  GDBusMessage*       msg;
+  GDBusMessage*       re;
+  GDBusConnection*    conn;
+  GError*             err = NULL;
+  GVariant*           body;
+  char*               val;
+  const char*         xdg_app = name.c_str();
+
+  if (get_dbus_message_bus(G_BUS_TYPE_SESSION, conn)) {
+    return -1;
+  }
+
+  msg = g_dbus_message_new_method_call (
+      DBUS_SERVICE,
+      DBUS_PATH,
+      DBUS_INTERFACE,
+      "start");
+
+  if (msg == NULL) {
+    AGL_WARN("Failed to allocate the dbus message");
+    g_object_unref(conn);
+    return -1;
+  }
+
+  g_dbus_message_set_body(msg, g_variant_new("(s)", xdg_app));
+
+  re = g_dbus_connection_send_message_with_reply_sync (
+      conn, msg, G_DBUS_SEND_MESSAGE_FLAGS_NONE, -1, NULL, NULL, &err);
+
+  if (err != NULL) {
+    AGL_WARN("unable to send message: %s", err->message);
+    g_clear_error(&err);
+    g_object_unref(conn);
+    g_object_unref(msg);
+    return -1;
+  }
+
+  g_dbus_connection_flush_sync(conn, NULL, &err);
+  if (err != NULL) {
+    AGL_WARN("unable to flush message queue: %s", err->message);
+    g_object_unref(conn);
+    g_object_unref(msg);
+    g_object_unref(re);
+    return -1;
+  }
+
+  body = g_dbus_message_get_body(re);
+  g_variant_get(body, "(&s)", &val);
+
+  AGL_DEBUG("dbus message get (%s)", val);
+
+  pid_t rid = std::stol(std::string(val));
+  AGL_DEBUG("RID = %d", rid);
+
+  g_object_unref(conn);
+  g_object_unref(msg);
+  g_object_unref(re);
+
+  return rid;
+}
+
+volatile sig_atomic_t e_flag = 0;
+
+static void sigterm_handler (int signum)
+{
+  e_flag = 1;
+}
+
+static void init_signal (void)
+{
+  struct sigaction act, info;
+
+  /* Setup signal for SIGTERM */
+  if (!sigaction(SIGTERM, NULL, &info)) {
+    if (info.sa_handler == SIG_IGN) {
+      AGL_DEBUG("SIGTERM being ignored.");
+    } else if (info.sa_handler == SIG_DFL) {
+      AGL_DEBUG("SIGTERM being defaulted.");
+    }
+  }
+
+  act.sa_handler = &sigterm_handler;
+  if (sigemptyset(&act.sa_mask) != 0) {
+    AGL_FATAL("Cannot initialize sigaction");
+  }
+  act.sa_flags = 0;
+
+  if (sigaction(SIGTERM, &act, &info) != 0) {
+    AGL_FATAL("Cannot register signal handler for SIGTERM");
+  }
+}
+
+int RunXDG::init_wm (void)
+{
+  m_wm = new LibWindowmanager();
+  if (m_wm->init(m_port, m_token.c_str())) {
+    AGL_DEBUG("cannot initialize windowmanager");
+    return -1;
+  }
+
+  std::function< void(json_object*) > h_active = [](json_object* object) {
+    AGL_DEBUG("Got Event_Active");
+  };
+
+  std::function< void(json_object*) > h_inactive = [](json_object* object) {
+    AGL_DEBUG("Got Event_Inactive");
+  };
+
+  std::function< void(json_object*) > h_visible = [](json_object* object) {
+    AGL_DEBUG("Got Event_Visible");
+  };
+
+  std::function< void(json_object*) > h_invisible = [](json_object* object) {
+    AGL_DEBUG("Got Event_Invisible");
+  };
+
+  std::function< void(json_object*) > h_syncdraw =
+      [this](json_object* object) {
+    AGL_DEBUG("Got Event_SyncDraw");
+    json_object* obj = json_object_new_object();
+    json_object_object_add(obj, this->m_wm->kKeyDrawingName,
+                           json_object_new_string(this->m_role.c_str()));
+    this->m_wm->endDraw(obj);
+  };
+
+  std::function< void(json_object*) > h_flushdraw= [](json_object* object) {
+    AGL_DEBUG("Got Event_FlushDraw");
+  };
+
+  m_wm->set_event_handler(LibWindowmanager::Event_Active, h_active);
+  m_wm->set_event_handler(LibWindowmanager::Event_Inactive, h_inactive);
+  m_wm->set_event_handler(LibWindowmanager::Event_Visible, h_visible);
+  m_wm->set_event_handler(LibWindowmanager::Event_Invisible, h_invisible);
+  m_wm->set_event_handler(LibWindowmanager::Event_SyncDraw, h_syncdraw);
+  m_wm->set_event_handler(LibWindowmanager::Event_FlushDraw, h_flushdraw);
+
+  return 0;
+}
+
+int RunXDG::init_hs (void)
+{
+  m_hs = new LibHomeScreen();
+  if (m_hs->init(m_port, m_token.c_str())) {
+    AGL_DEBUG("cannot initialize homescreen");
+    return -1;
+  }
+
+  std::function< void(json_object*) > handler = [this] (json_object* object) {
+    json_object *val;
+
+    if (json_object_object_get_ex(object, "application_name", &val)) {
+      const char *name = json_object_get_string(val);
+
+      AGL_DEBUG("Event_TapShortcut <%s>", name);
+
+      if (strcmp(name, this->m_role.c_str()) == 0) {
+        // check app exist and re-launch if needed
+        AGL_DEBUG("Activesurface %s ", this->m_role.c_str());
+
+        json_object *obj = json_object_new_object();
+        json_object_object_add(obj, this->m_wm->kKeyDrawingName,
+                               json_object_new_string(this->m_role.c_str()));
+        json_object_object_add(obj, this->m_wm->kKeyDrawingArea,
+                               json_object_new_string("normal.full"));
+
+        this->m_wm->activateSurface(obj);
+      }
+    }
+  };
+  m_hs->set_event_handler(LibHomeScreen::Event_TapShortcut, handler);
+
+  std::function< void(json_object*) > h_default= [](json_object* object) {
+    const char *j_str = json_object_to_json_string(object);
+    AGL_DEBUG("Got event [%s]", j_str);
+  };
+  m_hs->set_event_handler(LibHomeScreen::Event_OnScreenMessage, h_default);
+
+  return 0;
+}
+
+int RunXDG::parse_config (const char *path_to_config)
+{
+  auto config = cpptoml::parse_file(path_to_config);
+
+  if (config == nullptr) {
+    AGL_DEBUG("cannot parse %s", path_to_config);
+    return -1;
+  }
+
+  AGL_DEBUG("[%s] parsed", path_to_config);
+
+  auto app = config->get_table("application");
+  if (app == nullptr) {
+    AGL_DEBUG("cannto find [application]");
+    return -1;
+  }
+
+  m_role = *(app->get_as<std::string>("role"));
+  m_path = *(app->get_as<std::string>("path"));
+  if (m_role.empty() || m_path.empty()) {
+    AGL_FATAL("No name or path defined in config");
+  }
+
+  std::string method = *(app->get_as<std::string>("method"));
+  if (method.empty()) {
+    method = std::string("POSIX");
+  }
+
+  POSIXLauncher *pl;
+
+  /* Setup API of launcher */
+  if (method == "POSIX") {
+    pl = new POSIXLauncher();
+    m_launcher = pl;
+  } else if (method == "AFM_DBUS") {
+    m_launcher = new AFMDBusLauncher();
+    return 0;
+  } else if (method == "AFM_WEBSOCKET") {
+    m_launcher = new AFMWebSocketLauncher();
+    return 0;
+  } else {
+    AGL_FATAL("Unknown type of launcher");
+  }
+
+  // setup argv[0]
+  pl->m_args_v.push_back(m_path);
+
+  // setup argv[1..n]
+  auto params = app->get_array_of<std::string>("params");
+  for (const auto& param : *params)
+  {
+    pl->m_args_v.push_back(param);
+    AGL_DEBUG("params[%s]", param.c_str());
+  }
+
+  return 0;
+}
+
+RunXDG::RunXDG (int port, const char* token, const char* id)
+{
+  m_id = std::string(id);
+  m_port = port;
+  m_token = std::string(token);
+
+
+  auto path = std::string(getenv("AFM_APP_INSTALL_DIR"));
+  path = path + "/" + RUNXDG_CONFIG;
+
+  // Parse config file of runxdg
+  if (parse_config(path.c_str())) {
+    AGL_FATAL("Error in config");
+  }
+
+  AGL_DEBUG("id=[%s], name=[%s], path=[%s], port=%lu, token=[%s]",
+            m_id.c_str(), m_role.c_str(), m_path.c_str(),
+            m_port, m_token.c_str());
+
+  // Setup HomeScreen/WindowManager API
+  if (init_wm())
+    AGL_FATAL("cannot setup wm API");
+
+  if (init_hs())
+    AGL_FATAL("cannot setup hs API");
+
+  // Setup ilmController API
+  m_ic = new ILMControl(notify_ivi_control_cb_static, this);
+
+  AGL_DEBUG("RunXDG created.");
+}
+
+void RunXDG::setup_surface (int id)
+{
+  std::string sid = std::to_string(id);
+
+  // This surface is mine, register pair app_name and ivi id.
+  json_object *obj = json_object_new_object();
+  json_object_object_add(obj, m_wm->kKeyDrawingName,
+                         json_object_new_string(m_role.c_str()));
+  json_object_object_add(obj, m_wm->kKeyIviId,
+                         json_object_new_string(sid.c_str()));
+
+  AGL_DEBUG("requestSurfaceXDG(%s,%s)", m_role.c_str(), sid.c_str());
+  m_wm->requestSurfaceXDG(obj);
+
+  if (m_pending_create) {
+    // Recovering 1st time tap_shortcut is dropped because
+    // the application has not been run yet (1st time launch)
+    m_pending_create = false;
+
+    json_object *obj = json_object_new_object();
+    json_object_object_add(obj, m_wm->kKeyDrawingName,
+                           json_object_new_string(m_role.c_str()));
+    json_object_object_add(obj, m_wm->kKeyDrawingArea,
+                           json_object_new_string("normal.full"));
+    m_wm->activateSurface(obj);
+  }
+}
+
+void POSIXLauncher::register_surfpid (pid_t surf_pid)
+{
+  if (surf_pid == m_rid) {
+    if (!std::count(m_pid_v.begin(), m_pid_v.end(), surf_pid)) {
+      AGL_DEBUG("surface creator(pid=%d) registered", surf_pid);
+      m_pid_v.push_back(surf_pid);
+      AGL_DEBUG("m_pid_v.count(%d) = %d", surf_pid,
+                std::count(m_pid_v.begin(), m_pid_v.end(), surf_pid));
+    }
+  }
+}
+
+void POSIXLauncher::unregister_surfpid (pid_t surf_pid)
+{
+  auto itr = m_pid_v.begin();
+  while (itr != m_pid_v.end()) {
+    if (*itr == surf_pid) {
+      m_pid_v.erase(itr++);
+    } else {
+      ++itr;
+    }
+  }
+}
+
+pid_t POSIXLauncher::find_surfpid_by_rid (pid_t rid)
+{
+  AGL_DEBUG("find surfpid by rid(%d)", rid);
+  if (std::count(m_pid_v.begin(), m_pid_v.end(), rid)) {
+    AGL_DEBUG("found return(%d)", rid);
+    return rid;
+  }
+
+  return -1;
+}
+
+void AFMLauncher::register_surfpid (pid_t surf_pid)
+{
+  pid_t pgid = 0;
+
+  pgid = getpgid(surf_pid);
+
+  if (pgid < 0) {
+    AGL_DEBUG("fail to get process group id");
+    return;
+  }
+
+  AGL_DEBUG("Surface creator is pid=%d, pgid=%d", surf_pid, pgid);
+
+  if (!m_pgids.count(pgid)) {
+    m_pgids[pgid] = surf_pid;
+  }
+}
+
+void AFMLauncher::unregister_surfpid (pid_t surf_pid)
+{
+  auto itr = m_pgids.begin();
+  while (itr != m_pgids.end()) {
+    if (itr->second == surf_pid) {
+      m_pgids.erase(itr++);
+    } else {
+      ++itr;
+    }
+  }
+}
+
+pid_t AFMLauncher::find_surfpid_by_rid (pid_t rid)
+{
+  auto itr = m_pgids.find(rid);
+  if (itr != m_pgids.end())
+    return itr->second;
+
+  return -1;
+}
+
+void RunXDG::start (void)
+{
+  // Initialize SIGTERM handler
+  init_signal();
+
+  /* Launch XDG application */
+  m_launcher->m_rid = m_launcher->launch(m_id);
+  if (m_launcher->m_rid < 0) {
+    AGL_FATAL("cannot launch XDG app (%s)", m_id);
+  }
+
+  // take care 1st time launch
+  AGL_DEBUG("waiting for notification: surafce created");
+  m_pending_create = true;
+
+  // in case, target app has already run
+  if (m_launcher->m_rid) {
+    pid_t surf_pid = m_launcher->find_surfpid_by_rid(m_launcher->m_rid);
+    if (surf_pid > 0) {
+      AGL_DEBUG("match: surf:pid=%d, afm:rid=%d", surf_pid,
+                m_launcher->m_rid);
+      auto itr = m_surfaces.find(surf_pid);
+      if (itr != m_surfaces.end()) {
+        int id = itr->second;
+        AGL_DEBUG("surface %d for <%s> already exists", id,
+                  m_role.c_str());
+        setup_surface(id);
+      }
+    }
+  }
+  m_launcher->loop(e_flag);
+}
+
+int main (int argc, const char* argv[])
+{
+  // Set debug flags
+  // setenv("USE_HMI_DEBUG", "5", 1);
+  // setenv("WAYLAND_DEBUG", "1", 1);
+
+  // Parse args
+  int port;
+  const char *token;
+
+  if (argc < 3) {
+    AGL_FATAL("Missing port and token");
+  }
+
+  // Get app id
+  const char *afm_id = getenv("AFM_ID");
+  if (afm_id == NULL || !afm_id[0]) {
+    afm_id = argv[0];
+  }
+
+  try {
+    port = std::stol(argv[1]);
+    token = argv[2];
+  } catch (const std::invalid_argument& e) {
+    AGL_FATAL("Invalid argument");
+  } catch (const std::out_of_range& e) {
+    AGL_FATAL("Out of range");
+  }
+
+  RunXDG runxdg(port, token, afm_id);
+
+  runxdg.start();
+
+  return 0;
+}