catch USR1 signal to poweroff quicker

Signed-off-by: Vincent-FK <vincent.buso@funkey-project.com>

RetroFE/Source/Menu/MenuMode.cpp

@@ -177,6 +177,10 @@ void MenuMode::end( )
 	return;
 }
 
+void MenuMode::stop( ){
+	stop_menu_loop = 1;
+}
+
 
 void MenuMode::draw_progress_bar(SDL_Surface * surface, uint16_t x, uint16_t y, uint16_t width,
 		uint16_t height, uint8_t percentage, uint16_t nb_bars){

RetroFE/Source/Menu/MenuMode.h

@@ -52,6 +52,7 @@ typedef enum {ASPECT_RATIOS} ENUM_ASPECT_RATIOS_TYPES;
 #define SHELL_CMD_USB_UNMOUNT	        "share stop"
 #define SHELL_CMD_USB_CHECK_IS_SHARING  "share is_sharing"
 #define SHELL_CMD_POWERDOWN             "shutdown_funkey"
+#define SHELL_CMD_SCHEDULE_POWERDOWN    "sched_shutdown"
 
 class MenuMode
 {
@@ -61,6 +62,7 @@ public:
     static void     init(Configuration &c);
     static void     end();
     static int      launch( );
+    static void     stop( );
 
     /*static SDL_Surface * draw_screen;
 

RetroFE/Source/RetroFE.cpp

@@ -27,6 +27,7 @@
 #include "Utility/Utils.h"
 #include "Collection/MenuParser.h"
 #include "SDL.h"
+#include <SDL/SDL_ttf.h>
 #include "Control/UserInput.h"
 #include "Graphics/PageBuilder.h"
 #include "Graphics/Page.h"
@@ -41,7 +42,7 @@
 #include <tuple>
 #include <vector>
 #include <time.h>
-#include <SDL/SDL_ttf.h>
+#include <signal.h> 
 
 #if defined(__linux) || defined(__APPLE__)
 #include <sys/stat.h>
@@ -180,6 +181,10 @@ int RetroFE::initialize( void *context )
         Logger::write( Logger::ZONE_INFO, "RetroFE", "Initialized meta database" );
     }
 
+    /* Init Signals */
+    Logger::write( Logger::ZONE_INFO, "RetroFE", "Initializing signal USR1..." );
+    signal(SIGUSR1, instance->handle_sigusr1); 
+
     instance->initialized = true;
     return 0;
 
@@ -979,7 +984,7 @@ void RetroFE::run( )
         default:
             std::stringstream ss;
             ss << "Wrong state: " << state;
-            Logger::write( Logger::ZONE_ERROR, "RetroFE", "Wrong state: " + ss.str() );
+            Logger::write( Logger::ZONE_ERROR, "RetroFE", ss.str() );
             state = RETROFE_IDLE;
             break;
         }
@@ -1527,3 +1532,49 @@ CollectionInfo *RetroFE::getMenuCollection( std::string collectionName )
     collection->playlists["all"] = &collection->items;
     return collection;
 }
+
+
+
+/* Handler for SIGUSR1, caused by closing the console */
+void RetroFE::handle_sigusr1(int sig)
+{
+    printf("Caught signal USR1 %d\n", sig);
+    std::stringstream ss;
+    ss << "Caught signal USR1: " << sig;
+    Logger::write( Logger::ZONE_ERROR, "RetroFE", ss.str() );
+
+    /* Exit menu if it was launched */
+    MenuMode::stop();
+
+    /** Poweroff */
+    quick_poweroff();
+}
+
+
+/* Quick save and turn off the console */
+void RetroFE::quick_poweroff()
+{
+    /* Vars */
+    char shell_cmd[200];
+    FILE *fp;
+
+    /* Send command to kill any previously scheduled shutdown */
+    sprintf(shell_cmd, "pkill %s", SHELL_CMD_SCHEDULE_POWERDOWN);
+    fp = popen(shell_cmd, "r");
+    if (fp == NULL) {
+        printf("Failed to run command %s\n", shell_cmd);
+        std::stringstream ss;
+        ss << "Failed to run command " << shell_cmd;
+        Logger::write( Logger::ZONE_ERROR, "RetroFE", ss.str() );
+    }
+
+    /* Clean Poweroff */
+    sprintf(shell_cmd, "%s", SHELL_CMD_POWERDOWN);
+    fp = popen(shell_cmd, "r");
+    if (fp == NULL) {
+        printf("Failed to run command %s\n", shell_cmd);
+        std::stringstream ss;
+        ss << "Failed to run command " << shell_cmd;
+        Logger::write( Logger::ZONE_ERROR, "RetroFE", ss.str() );
+    }
+}

RetroFE/Source/RetroFE.h

@@ -94,6 +94,8 @@ private:
     volatile bool   initMetaDb;
     SDL_Thread     *initializeThread;
     static int      initialize( void *context );
+    static void     handle_sigusr1(int sig);
+    static void     quick_poweroff( );
 
     #undef X
     #define X(a, b) a,