Lua: add sockets to extensions (fixes #9495)

modules/lua/extension.c

@@ -650,6 +650,8 @@ int lua_ExtensionDeactivate( extensions_manager_t *p_mgr, extension_t *p_ext )
     if( !p_ext->p_sys->L )
         return VLC_SUCCESS;
 
+    vlclua_fd_interrupt( &p_ext->p_sys->dtable );
+
     // Unset and release input objects
     if( p_ext->p_sys->p_input )
     {
@@ -666,6 +668,7 @@ int lua_ExtensionDeactivate( extensions_manager_t *p_mgr, extension_t *p_ext )
     int i_ret = lua_ExecuteFunction( p_mgr, p_ext, "deactivate", LUA_END );
 
     /* Clear Lua State */
+    vlclua_fd_cleanup( &p_ext->p_sys->dtable );
     lua_close( p_ext->p_sys->L );
     p_ext->p_sys->L = NULL;
 
@@ -824,7 +827,11 @@ static lua_State* GetLuaState( extensions_manager_t *p_mgr,
             luaopen_dialog( L, p_ext );
             luaopen_input( L );
             luaopen_msg( L );
-            luaopen_net_generic( L );
+            if( vlclua_fd_init( L, &p_ext->p_sys->dtable ) )
+            {
+                lua_close( L );
+                return NULL;
+            }
             luaopen_object( L );
             luaopen_osd( L );
             luaopen_playlist( L );
@@ -859,6 +866,7 @@ static lua_State* GetLuaState( extensions_manager_t *p_mgr,
                 {
                     msg_Warn( p_mgr, "Error while setting the module "
                               "search path for %s", p_ext->psz_name );
+                    vlclua_fd_cleanup( &p_ext->p_sys->dtable );
                     lua_close( L );
                     return NULL;
                 }
@@ -868,6 +876,7 @@ static lua_State* GetLuaState( extensions_manager_t *p_mgr,
             {
                 msg_Warn( p_mgr, "Error loading script %s: %s", p_ext->psz_name,
                           lua_tostring( L, lua_gettop( L ) ) );
+                vlclua_fd_cleanup( &p_ext->p_sys->dtable );
                 lua_close( L );
                 return NULL;
             }
@@ -1044,7 +1053,10 @@ static int TriggerExtension( extensions_manager_t *p_mgr,
 
     /* Close lua state for trigger-only extensions */
     if( p_ext->p_sys->L )
+    {
+        vlclua_fd_cleanup( &p_ext->p_sys->dtable );
         lua_close( p_ext->p_sys->L );
+    }
     p_ext->p_sys->L = NULL;
 
     return i_ret;

modules/lua/extension.h

@@ -69,6 +69,8 @@ struct extension_sys_t
     /* Lua specific */
     lua_State *L;
 
+    vlclua_dtable_t dtable;
+
     /* Thread data */
     vlc_thread_t thread;
     vlc_mutex_t command_lock;

modules/lua/extension_thread.c

@@ -28,6 +28,7 @@
 /* I don't want to include lua headers here */
 typedef struct lua_State lua_State;
 
+#include "vlc.h"
 #include "extension.h"
 #include "assert.h"
 

share/lua/README.txt

@@ -160,7 +160,7 @@ misc.quit(): Quit VLC.
 Net
 ---
 ----------------------------------------------------------------
-/!\ NB: this namespace is ONLY usable for interfaces.
+/!\ NB: this namespace is ONLY usable for interfaces and extensions.
 ---
 ----------------------------------------------------------------
 net.url_parse( url, [option delimiter] ): Parse URL. Returns a table with