/*****************************************************************************
* modules.c : Builtin and plugin modules management functions
*****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: modules.c,v 1.96 2002/10/08 18:10:10 sam Exp $
+ * Copyright (C) 2001-2004 VideoLAN
+ * $Id$
*
- * Authors: Samuel Hocevar <sam@zoy.org>
+ * Authors: Sam Hocevar <sam@zoy.org>
* Ethan C. Baldridge <BaldridgeE@cadmus.com>
* Hans-Peter Jansen <hpj@urpla.net>
+ * Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <string.h> /* strdup() */
#include <vlc/vlc.h>
+#include <vlc/input.h>
-#include <dirent.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#elif defined( UNDER_CE )
+# include <windows.h> /* GetFileAttributes() */
+#else
+# include "../extras/dirent.h"
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
-# include <dlfcn.h> /* dlopen(), dlsym(), dlclose() */
-# define HAVE_DYNAMIC_PLUGINS
-#elif defined(HAVE_IMAGE_H) /* BeOS */
-# include <image.h>
-# define HAVE_DYNAMIC_PLUGINS
-#elif defined(WIN32)
-# define HAVE_DYNAMIC_PLUGINS
+#define HAVE_DYNAMIC_PLUGINS
+#if defined(HAVE_DL_DYLD)
+# if defined(HAVE_MACH_O_DYLD_H)
+# include <mach-o/dyld.h>
+# endif
+#elif defined(HAVE_DL_BEOS)
+# if defined(HAVE_IMAGE_H)
+# include <image.h>
+# endif
+#elif defined(HAVE_DL_WINDOWS)
+# include <windows.h>
+#elif defined(HAVE_DL_DLOPEN)
+# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
+# include <dlfcn.h>
+# endif
+# if defined(HAVE_SYS_DL_H)
+# include <sys/dl.h>
+# endif
+#elif defined(HAVE_DL_SHL_LOAD)
+# if defined(HAVE_DL_H)
+# include <dl.h>
+# endif
#else
# undef HAVE_DYNAMIC_PLUGINS
#endif
+#include "vlc_error.h"
-#include "netutils.h"
-
-#include "interface.h"
-#include "vlc_playlist.h"
+#include "vlc_interface.h"
#include "intf_eject.h"
-#include "stream_control.h"
-#include "input_ext-intf.h"
-#include "input_ext-dec.h"
-#include "input_ext-plugins.h"
+#include "vlc_playlist.h"
-#include "video.h"
+#include "vlc_video.h"
#include "video_output.h"
+#include "vout_synchro.h"
+#include "vlc_spu.h"
#include "audio_output.h"
#include "aout_internal.h"
#include "stream_output.h"
+#include "osd.h"
+#include "vlc_httpd.h"
+#include "vlc_tls.h"
+#include "vlc_xml.h"
#include "iso_lang.h"
+#include "charset.h"
+
+#include "vlc_block.h"
+
+#include "vlc_vlm.h"
+
+#include "vlc_image.h"
#ifdef HAVE_DYNAMIC_PLUGINS
# include "modules_plugin.h"
#endif
-#if !defined( _MSC_VER )
-# include "modules_builtin.h"
-#else
+#if defined( _MSC_VER ) && defined( UNDER_CE )
+# include "modules_builtin_evc.h"
+#elif defined( _MSC_VER )
# include "modules_builtin_msvc.h"
+#else
+# include "modules_builtin.h"
+#endif
+#include "network.h"
+
+#if defined( WIN32) || defined( UNDER_CE )
+ /* Avoid name collisions */
+# define LoadModule(a,b,c) _LoadModule(a,b,c)
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
-static void AllocateAllPlugins ( vlc_object_t * );
-static void AllocatePluginDir ( vlc_object_t *, const char *, int );
-static int AllocatePluginFile ( vlc_object_t *, char * );
+static void AllocateAllPlugins ( vlc_object_t * );
+static void AllocatePluginDir ( vlc_object_t *, const char *, int );
+static int AllocatePluginFile ( vlc_object_t *, char *, int64_t, int64_t );
+static module_t * AllocatePlugin( vlc_object_t *, char * );
#endif
static int AllocateBuiltinModule( vlc_object_t *, int ( * ) ( module_t * ) );
static int DeleteModule ( module_t * );
#ifdef HAVE_DYNAMIC_PLUGINS
-static void DupModule ( module_t * );
-static void UndupModule ( module_t * );
-static int CallEntry ( module_t * );
+static void DupModule ( module_t * );
+static void UndupModule ( module_t * );
+static int CallEntry ( module_t * );
+static int LoadModule ( vlc_object_t *, char *, module_handle_t * );
+static void CloseModule ( module_handle_t );
+static void * GetSymbol ( module_handle_t, const char * );
+static void CacheLoad ( vlc_object_t * );
+static int CacheLoadConfig ( module_t *, FILE * );
+static void CacheSave ( vlc_object_t * );
+static void CacheSaveConfig ( module_t *, FILE * );
+static char * CacheName ( void );
+static void CacheMerge ( vlc_object_t *, module_t *, module_t * );
+static module_cache_t * CacheFind( vlc_object_t *, char *, int64_t, int64_t );
+
+#if defined(HAVE_DL_WINDOWS)
+static char * GetWindowsError ( void );
+#endif
#endif
/*****************************************************************************
void __module_InitBank( vlc_object_t *p_this )
{
module_bank_t *p_bank;
+ vlc_value_t lockval;
+
+ var_Create( p_this->p_libvlc, "libvlc", VLC_VAR_MUTEX );
+ var_Get( p_this->p_libvlc, "libvlc", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+ if( p_this->p_libvlc->p_module_bank )
+ {
+ p_this->p_libvlc->p_module_bank->i_usage++;
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+ return;
+ }
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
p_bank = vlc_object_create( p_this, sizeof(module_bank_t) );
p_bank->psz_object_name = "module bank";
+ p_bank->i_usage = 1;
+ p_bank->i_cache = p_bank->i_loaded_cache = 0;
+ p_bank->pp_cache = p_bank->pp_loaded_cache = 0;
+ p_bank->b_cache = p_bank->b_cache_dirty =
+ p_bank->b_cache_delete = VLC_FALSE;
/*
* Store the symbols to be exported
p_this->p_libvlc->p_module_bank = p_bank;
vlc_object_attach( p_bank, p_this->p_libvlc );
+ module_LoadMain( p_this );
+
return;
}
void __module_EndBank( vlc_object_t *p_this )
{
module_t * p_next;
+ vlc_value_t lockval;
+
+ var_Create( p_this->p_libvlc, "libvlc", VLC_VAR_MUTEX );
+ var_Get( p_this->p_libvlc, "libvlc", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+ if( !p_this->p_libvlc->p_module_bank )
+ {
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+ return;
+ }
+ if( --p_this->p_libvlc->p_module_bank->i_usage )
+ {
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+ return;
+ }
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+
+#ifdef HAVE_DYNAMIC_PLUGINS
+#define p_bank p_this->p_libvlc->p_module_bank
+ if( p_bank->b_cache ) CacheSave( p_this );
+ while( p_bank->i_loaded_cache-- )
+ {
+ free( p_bank->pp_loaded_cache[p_bank->i_loaded_cache]->psz_file );
+ free( p_bank->pp_loaded_cache[p_bank->i_loaded_cache] );
+ if( !p_bank->i_loaded_cache ) free( p_bank->pp_loaded_cache );
+ }
+ while( p_bank->i_cache-- )
+ {
+ free( p_bank->pp_cache[p_bank->i_cache]->psz_file );
+ free( p_bank->pp_cache[p_bank->i_cache] );
+ if( !p_bank->i_cache ) free( p_bank->pp_cache );
+ }
+#undef p_bank
+#endif
vlc_object_detach( p_this->p_libvlc->p_module_bank );
}
vlc_object_destroy( p_this->p_libvlc->p_module_bank );
+ p_this->p_libvlc->p_module_bank = NULL;
return;
}
*****************************************************************************/
void __module_LoadMain( vlc_object_t *p_this )
{
+ vlc_value_t lockval;
+
+ var_Create( p_this->p_libvlc, "libvlc", VLC_VAR_MUTEX );
+ var_Get( p_this->p_libvlc, "libvlc", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+ if( p_this->p_libvlc->p_module_bank->b_main )
+ {
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+ return;
+ }
+ p_this->p_libvlc->p_module_bank->b_main = VLC_TRUE;
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+
AllocateBuiltinModule( p_this, vlc_entry__main );
}
*****************************************************************************/
void __module_LoadBuiltins( vlc_object_t * p_this )
{
+ vlc_value_t lockval;
+
+ var_Create( p_this->p_libvlc, "libvlc", VLC_VAR_MUTEX );
+ var_Get( p_this->p_libvlc, "libvlc", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+ if( p_this->p_libvlc->p_module_bank->b_builtins )
+ {
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+ return;
+ }
+ p_this->p_libvlc->p_module_bank->b_builtins = VLC_TRUE;
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+
msg_Dbg( p_this, "checking builtin modules" );
ALLOCATE_ALL_BUILTINS();
}
void __module_LoadPlugins( vlc_object_t * p_this )
{
#ifdef HAVE_DYNAMIC_PLUGINS
+ vlc_value_t lockval;
+
+ var_Create( p_this->p_libvlc, "libvlc", VLC_VAR_MUTEX );
+ var_Get( p_this->p_libvlc, "libvlc", &lockval );
+ vlc_mutex_lock( lockval.p_address );
+ if( p_this->p_libvlc->p_module_bank->b_plugins )
+ {
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+ return;
+ }
+ p_this->p_libvlc->p_module_bank->b_plugins = VLC_TRUE;
+ vlc_mutex_unlock( lockval.p_address );
+ var_Destroy( p_this->p_libvlc, "libvlc" );
+
msg_Dbg( p_this, "checking plugin modules" );
+
+ if( config_GetInt( p_this, "plugins-cache" ) )
+ p_this->p_libvlc->p_module_bank->b_cache = VLC_TRUE;
+
+ if( p_this->p_libvlc->p_module_bank->b_cache ||
+ p_this->p_libvlc->p_module_bank->b_cache_delete ) CacheLoad( p_this );
+
AllocateAllPlugins( p_this );
#endif
}
* This function returns the module that best fits the asked capabilities.
*****************************************************************************/
module_t * __module_Need( vlc_object_t *p_this, const char *psz_capability,
- const char *psz_name )
+ const char *psz_name, vlc_bool_t b_strict )
{
typedef struct module_list_t module_list_t;
{
module_t *p_module;
int i_score;
+ vlc_bool_t b_force;
module_list_t *p_next;
};
module_list_t *p_list, *p_first, *p_tmp;
vlc_list_t *p_all;
- int i_index = 0;
+ int i_which_module, i_index = 0;
vlc_bool_t b_intf = VLC_FALSE;
module_t *p_module;
- module_t **pp_parser;
int i_shortcuts = 0;
char *psz_shortcuts = NULL, *psz_var = NULL;
+ vlc_bool_t b_force_backup = p_this->b_force;
msg_Dbg( p_this, "looking for %s module", psz_capability );
/* Deal with variables */
if( psz_name && psz_name[0] == '$' )
{
- psz_var = config_GetPsz( p_this, psz_name + 1 );
+ vlc_value_t val;
+ var_Create( p_this, psz_name + 1, VLC_VAR_MODULE | VLC_VAR_DOINHERIT );
+ var_Get( p_this, psz_name + 1, &val );
+ psz_var = val.psz_string;
psz_name = psz_var;
}
/* Count how many different shortcuts were asked for */
if( psz_name && *psz_name )
{
- char *psz_parser;
+ char *psz_parser, *psz_last_shortcut;
/* If the user wants none, give him none. */
if( !strcmp( psz_name, "none" ) )
}
i_shortcuts++;
- psz_shortcuts = strdup( psz_name );
+ psz_shortcuts = psz_last_shortcut = strdup( psz_name );
for( psz_parser = psz_shortcuts; *psz_parser; psz_parser++ )
{
{
*psz_parser = '\0';
i_shortcuts++;
+ psz_last_shortcut = psz_parser + 1;
+ }
+ }
+
+ /* Check if the user wants to override the "strict" mode */
+ if( psz_last_shortcut )
+ {
+ if( !strcmp(psz_last_shortcut, "none") )
+ {
+ b_strict = VLC_TRUE;
+ i_shortcuts--;
+ }
+ else if( !strcmp(psz_last_shortcut, "any") )
+ {
+ b_strict = VLC_FALSE;
+ i_shortcuts--;
}
}
}
p_first = NULL;
/* Parse the module list for capabilities and probe each of them */
- for( pp_parser = (module_t**)p_all->pp_objects ; *pp_parser ; pp_parser++ )
+ for( i_which_module = 0; i_which_module < p_all->i_count; i_which_module++ )
{
- module_t * p_submodule = NULL;
- int i_shortcut_bonus = 0, i_submodule;
+ int i_shortcut_bonus = 0;
- p_module = *pp_parser;
+ p_module = (module_t *)p_all->p_values[i_which_module].p_object;
/* Test that this module can do what we need */
if( strcmp( p_module->psz_capability, psz_capability ) )
{
- for( i_submodule = 0;
- i_submodule < p_module->i_children;
- i_submodule++ )
- {
- if( !strcmp( ((module_t*)p_module->pp_children[ i_submodule ])
- ->psz_capability, psz_capability ) )
- {
- p_submodule =
- (module_t*)p_module->pp_children[ i_submodule ];
- break;
- }
- }
-
- if( p_submodule == NULL )
- {
- continue;
- }
-
- p_module = p_submodule;
+ /* Don't recurse through the sub-modules because vlc_list_find()
+ * will list them anyway. */
+ continue;
}
/* Test if we have the required CPU */
}
/* If we required a shortcut, check this plugin provides it. */
- if( i_shortcuts )
+ if( i_shortcuts > 0 )
{
- vlc_bool_t b_trash = VLC_TRUE;
+ vlc_bool_t b_trash;
int i_dummy, i_short = i_shortcuts;
char *psz_name = psz_shortcuts;
- while( i_short )
+ /* Let's drop modules with a <= 0 score (unless they are
+ * explicitly requested) */
+ b_trash = p_module->i_score <= 0;
+
+ while( i_short > 0 )
{
- for( i_dummy = 0;
- b_trash && p_module->pp_shortcuts[i_dummy];
- i_dummy++ )
+ for( i_dummy = 0; p_module->pp_shortcuts[i_dummy]; i_dummy++ )
{
- b_trash = ( strcmp(psz_name, "any") || !p_module->i_score )
- && strcmp( psz_name, p_module->pp_shortcuts[i_dummy] );
+ if( !strcasecmp( psz_name,
+ p_module->pp_shortcuts[i_dummy] ) )
+ {
+ /* Found it */
+ b_trash = VLC_FALSE;
+ i_shortcut_bonus = i_short * 10000;
+ break;
+ }
}
- if( !b_trash )
+ if( i_shortcut_bonus )
{
- i_shortcut_bonus = i_short * 10000;
+ /* We found it... remember ? */
break;
}
i_short--;
}
+ /* If we are in "strict" mode and we couldn't
+ * find the module in the list of provided shortcuts,
+ * then kick the bastard out of here!!! */
+ if( i_short == 0 && b_strict )
+ {
+ b_trash = VLC_TRUE;
+ }
+
if( b_trash )
{
continue;
}
}
- /* If we didn't require a shortcut, trash zero-scored plugins */
- else if( !p_module->i_score )
+ /* If we didn't require a shortcut, trash <= 0 scored plugins */
+ else if( p_module->i_score <= 0 )
{
continue;
}
/* Special case: test if we requested a particular intf plugin */
- if( p_module->psz_program
+ if( !i_shortcuts && p_module->psz_program
+ && !strcmp( psz_capability, "interface" )
&& !strcmp( p_module->psz_program,
p_this->p_vlc->psz_object_name ) )
{
- if( !b_intf )
+ if( !b_intf )
{
/* Remove previous non-matching plugins */
i_index = 0;
/* Store this new module */
p_list[ i_index ].p_module = p_module;
p_list[ i_index ].i_score = p_module->i_score + i_shortcut_bonus;
+ p_list[ i_index ].b_force = !!i_shortcut_bonus;
/* Add it to the modules-to-probe list */
if( i_index == 0 )
p_tmp = p_first;
while( p_tmp != NULL )
{
+#ifdef HAVE_DYNAMIC_PLUGINS
+ /* Make sure the module is loaded in mem */
+ module_t *p_module = p_tmp->p_module->b_submodule ?
+ (module_t *)p_tmp->p_module->p_parent : p_tmp->p_module;
+ if( !p_module->b_builtin && !p_module->b_loaded )
+ {
+ module_t *p_new_module =
+ AllocatePlugin( p_this, p_module->psz_filename );
+ if( p_new_module )
+ {
+ CacheMerge( p_this, p_module, p_new_module );
+ vlc_object_attach( p_new_module, p_module );
+ DeleteModule( p_new_module );
+ }
+ }
+#endif
+
+ p_this->b_force = p_tmp->b_force;
if( p_tmp->p_module->pf_activate
&& p_tmp->p_module->pf_activate( p_this ) == VLC_SUCCESS )
{
}
free( p_list );
+ p_this->b_force = b_force_backup;
if( p_module != NULL )
{
}
else if( p_first == NULL )
{
- msg_Err( p_this, "no %s module matched \"%s\"",
+ if( !strcmp( psz_capability, "access_demux" ) )
+ {
+ msg_Warn( p_this, "no %s module matched \"%s\"",
+ psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
+ }
+ else
+ {
+ msg_Err( p_this, "no %s module matched \"%s\"",
psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
+ }
}
else if( psz_name != NULL && *psz_name )
{
- msg_Err( p_this, "no %s module matching \"%s\" could be loaded",
- psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
+ msg_Warn( p_this, "no %s module matching \"%s\" could be loaded",
+ psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
}
if( psz_shortcuts )
static void AllocateAllPlugins( vlc_object_t *p_this )
{
/* Yes, there are two NULLs because we replace one with "plugin-path". */
- char * path[] = { "modules", PLUGIN_PATH, "plugins", NULL,
- NULL };
-
- char ** ppsz_path = path;
- char * psz_fullpath;
-#if defined( SYS_BEOS ) || defined( SYS_DARWIN )
- char * psz_vlcpath = system_GetProgramPath();
- int i_vlclen = strlen( psz_vlcpath );
- vlc_bool_t b_notinroot;
+#if defined( WIN32 ) || defined( UNDER_CE )
+ char *path[] = { "modules", "", "plugins", 0, 0 };
+#else
+ char *path[] = { "modules", PLUGIN_PATH, "plugins", 0, 0 };
#endif
+ char **ppsz_path = path;
+ char *psz_fullpath;
+
/* If the user provided a plugin path, we add it to the list */
- path[ sizeof(path)/sizeof(char*) - 2 ] = config_GetPsz( p_this,
- "plugin-path" );
+ path[ sizeof(path)/sizeof(char*) - 2 ] =
+ config_GetPsz( p_this, "plugin-path" );
for( ; *ppsz_path != NULL ; ppsz_path++ )
{
-#if defined( SYS_BEOS ) || defined( SYS_DARWIN )
- /* Store strlen(*ppsz_path) for later use. */
- int i_dirlen = strlen( *ppsz_path );
+ if( !(*ppsz_path)[0] ) continue;
+
+#if defined( SYS_BEOS ) || defined( SYS_DARWIN ) || defined( WIN32 )
- b_notinroot = VLC_FALSE;
- /* Under BeOS, we need to add beos_GetProgramPath() to access
- * files under the current directory */
- if( ( i_dirlen > 1 ) && strncmp( *ppsz_path, "/", 1 ) )
+ /* Handle relative as well as absolute paths */
+#ifdef WIN32
+ if( (*ppsz_path)[0] != '\\' && (*ppsz_path)[0] != '/' &&
+ (*ppsz_path)[1] != ':' )
+#else
+ if( (*ppsz_path)[0] != '/' )
+#endif
{
- i_dirlen += i_vlclen + 2;
- b_notinroot = VLC_TRUE;
+ int i_dirlen = strlen( *ppsz_path );
+ i_dirlen += strlen( p_this->p_libvlc->psz_vlcpath ) + 2;
psz_fullpath = malloc( i_dirlen );
if( psz_fullpath == NULL )
{
continue;
}
- sprintf( psz_fullpath, "%s/%s", psz_vlcpath, *ppsz_path );
+#ifdef WIN32
+ sprintf( psz_fullpath, "%s\\%s",
+ p_this->p_libvlc->psz_vlcpath, *ppsz_path );
+#else
+ sprintf( psz_fullpath, "%s/%s",
+ p_this->p_libvlc->psz_vlcpath, *ppsz_path );
+#endif
}
else
#endif
{
- psz_fullpath = *ppsz_path;
+ psz_fullpath = strdup( *ppsz_path );
}
msg_Dbg( p_this, "recursively browsing `%s'", psz_fullpath );
/* Don't go deeper than 5 subdirectories */
AllocatePluginDir( p_this, psz_fullpath, 5 );
-#if defined( SYS_BEOS ) || defined( SYS_DARWIN )
- if( b_notinroot )
- {
- free( psz_fullpath );
- }
-#endif
+ free( psz_fullpath );
}
+
+ /* Free plugin-path */
+ if( path[ sizeof(path)/sizeof(char*) - 2 ] )
+ free( path[ sizeof(path)/sizeof(char*) - 2 ] );
+ path[ sizeof(path)/sizeof(char*) - 2 ] = NULL;
}
/*****************************************************************************
static void AllocatePluginDir( vlc_object_t *p_this, const char *psz_dir,
int i_maxdepth )
{
+#if defined( UNDER_CE ) || defined( _MSC_VER )
+#ifdef UNDER_CE
+ wchar_t psz_wpath[MAX_PATH + 256];
+ wchar_t psz_wdir[MAX_PATH];
+#endif
+ char psz_path[MAX_PATH + 256];
+ WIN32_FIND_DATA finddata;
+ HANDLE handle;
+ unsigned int rc;
+#else
int i_dirlen;
DIR * dir;
+ struct dirent * file;
+#endif
char * psz_file;
- struct dirent * file;
+ if( p_this->p_vlc->b_die || i_maxdepth < 0 )
+ {
+ return;
+ }
+
+#if defined( UNDER_CE ) || defined( _MSC_VER )
+#ifdef UNDER_CE
+ MultiByteToWideChar( CP_ACP, 0, psz_dir, -1, psz_wdir, MAX_PATH );
+
+ rc = GetFileAttributes( psz_wdir );
+ if( !(rc & FILE_ATTRIBUTE_DIRECTORY) ) return; /* Not a directory */
- if( i_maxdepth < 0 )
+ /* Parse all files in the directory */
+ swprintf( psz_wpath, L"%ls\\*", psz_wdir );
+#else
+ rc = GetFileAttributes( psz_dir );
+ if( !(rc & FILE_ATTRIBUTE_DIRECTORY) ) return; /* Not a directory */
+#endif
+
+ /* Parse all files in the directory */
+ sprintf( psz_path, "%s\\*", psz_dir );
+
+#ifdef UNDER_CE
+ handle = FindFirstFile( psz_wpath, &finddata );
+#else
+ handle = FindFirstFile( psz_path, &finddata );
+#endif
+ if( handle == INVALID_HANDLE_VALUE )
{
+ /* Empty directory */
return;
}
- dir = opendir( psz_dir );
+ /* Parse the directory and try to load all files it contains. */
+ do
+ {
+#ifdef UNDER_CE
+ unsigned int i_len = wcslen( finddata.cFileName );
+ swprintf( psz_wpath, L"%ls\\%ls", psz_wdir, finddata.cFileName );
+ sprintf( psz_path, "%s\\%ls", psz_dir, finddata.cFileName );
+#else
+ unsigned int i_len = strlen( finddata.cFileName );
+ sprintf( psz_path, "%s\\%s", psz_dir, finddata.cFileName );
+#endif
+
+ /* Skip ".", ".." and anything starting with "." */
+ if( !*finddata.cFileName || *finddata.cFileName == '.' )
+ {
+ if( !FindNextFile( handle, &finddata ) ) break;
+ continue;
+ }
+#ifdef UNDER_CE
+ if( GetFileAttributes( psz_wpath ) & FILE_ATTRIBUTE_DIRECTORY )
+#else
+ if( GetFileAttributes( psz_path ) & FILE_ATTRIBUTE_DIRECTORY )
+#endif
+ {
+ AllocatePluginDir( p_this, psz_path, i_maxdepth - 1 );
+ }
+ else if( i_len > strlen( LIBEXT )
+ /* We only load files ending with LIBEXT */
+ && !strncasecmp( psz_path + strlen( psz_path)
+ - strlen( LIBEXT ),
+ LIBEXT, strlen( LIBEXT ) ) )
+ {
+ WIN32_FILE_ATTRIBUTE_DATA attrbuf;
+ int64_t i_time = 0, i_size = 0;
+
+#ifdef UNDER_CE
+ if( GetFileAttributesEx( psz_wpath, GetFileExInfoStandard,
+ &attrbuf ) )
+#else
+ if( GetFileAttributesEx( psz_path, GetFileExInfoStandard,
+ &attrbuf ) )
+#endif
+ {
+ i_time = attrbuf.ftLastWriteTime.dwHighDateTime;
+ i_time <<= 32;
+ i_time |= attrbuf.ftLastWriteTime.dwLowDateTime;
+ i_size = attrbuf.nFileSizeHigh;
+ i_size <<= 32;
+ i_size |= attrbuf.nFileSizeLow;
+ }
+ psz_file = psz_path;
+
+ AllocatePluginFile( p_this, psz_file, i_time, i_size );
+ }
+ }
+ while( !p_this->p_vlc->b_die && FindNextFile( handle, &finddata ) );
+
+ /* Close the directory */
+ FindClose( handle );
+
+#else
+ dir = opendir( psz_dir );
if( !dir )
{
return;
i_dirlen = strlen( psz_dir );
/* Parse the directory and try to load all files it contains. */
- while( (file = readdir( dir )) )
+ while( !p_this->p_vlc->b_die && (file = readdir( dir )) )
{
struct stat statbuf;
- int i_len;
+ unsigned int i_len;
+ int i_stat;
/* Skip ".", ".." and anything starting with "." */
if( !*file->d_name || *file->d_name == '.' )
}
i_len = strlen( file->d_name );
-
- psz_file = malloc( i_dirlen + 1 /* / */ + i_len + 1 /* \0 */ );
+ psz_file = malloc( i_dirlen + 1 + i_len + 1 );
+#ifdef WIN32
+ sprintf( psz_file, "%s\\%s", psz_dir, file->d_name );
+#else
sprintf( psz_file, "%s/%s", psz_dir, file->d_name );
+#endif
- if( !stat( psz_file, &statbuf ) && statbuf.st_mode & S_IFDIR )
+ i_stat = stat( psz_file, &statbuf );
+ if( !i_stat && statbuf.st_mode & S_IFDIR )
{
AllocatePluginDir( p_this, psz_file, i_maxdepth - 1 );
}
else if( i_len > strlen( LIBEXT )
/* We only load files ending with LIBEXT */
- && !strncmp( file->d_name + i_len - strlen( LIBEXT ),
- LIBEXT, strlen( LIBEXT ) ) )
+ && !strncasecmp( file->d_name + i_len - strlen( LIBEXT ),
+ LIBEXT, strlen( LIBEXT ) ) )
{
- AllocatePluginFile( p_this, psz_file );
+ int64_t i_time = 0, i_size = 0;
+
+ if( !i_stat )
+ {
+ i_time = statbuf.st_mtime;
+ i_size = statbuf.st_size;
+ }
+
+ AllocatePluginFile( p_this, psz_file, i_time, i_size );
}
free( psz_file );
/* Close the directory */
closedir( dir );
+
+#endif
}
/*****************************************************************************
* for its information data. The module can then be handled by module_Need
* and module_Unneed. It can be removed by DeleteModule.
*****************************************************************************/
-static int AllocatePluginFile( vlc_object_t * p_this, char * psz_file )
+static int AllocatePluginFile( vlc_object_t * p_this, char * psz_file,
+ int64_t i_file_time, int64_t i_file_size )
{
module_t * p_module;
- module_handle_t handle;
+ module_cache_t *p_cache_entry = NULL;
+
+ /*
+ * Check our plugins cache first then load plugin if needed
+ */
+ p_cache_entry =
+ CacheFind( p_this, psz_file, i_file_time, i_file_size );
- /* Try to dynamically load the module. */
- if( module_load( psz_file, &handle ) )
+ if( !p_cache_entry )
+ {
+ p_module = AllocatePlugin( p_this, psz_file );
+ }
+ else
{
- char psz_buffer[256];
+ /* If junk dll, don't try to load it */
+ if( p_cache_entry->b_junk )
+ {
+ p_module = NULL;
+ }
+ else
+ {
+ module_config_t *p_item;
- /* The plugin module couldn't be opened */
- msg_Warn( p_this, "cannot open `%s' (%s)",
- psz_file, module_error( psz_buffer ) );
- return -1;
+ p_module = p_cache_entry->p_module;
+ p_module->b_loaded = VLC_FALSE;
+
+ /* For now we force loading if the module's config contains
+ * callbacks or actions.
+ * Could be optimized by adding an API call.*/
+ for( p_item = p_module->p_config;
+ p_item->i_type != CONFIG_HINT_END; p_item++ )
+ {
+ if( p_item->pf_callback || p_item->i_action )
+ p_module = AllocatePlugin( p_this, psz_file );
+ }
+ }
+ }
+
+ if( p_module )
+ {
+ /* Everything worked fine !
+ * The module is ready to be added to the list. */
+ p_module->b_builtin = VLC_FALSE;
+
+ /* msg_Dbg( p_this, "plugin \"%s\", %s",
+ p_module->psz_object_name, p_module->psz_longname ); */
+
+ vlc_object_attach( p_module, p_this->p_libvlc->p_module_bank );
}
+ if( !p_this->p_libvlc->p_module_bank->b_cache ) return 0;
+
+ /* Add entry to cache */
+#define p_bank p_this->p_libvlc->p_module_bank
+ p_bank->pp_cache =
+ realloc( p_bank->pp_cache, (p_bank->i_cache + 1) * sizeof(void *) );
+ p_bank->pp_cache[p_bank->i_cache] = malloc( sizeof(module_cache_t) );
+ p_bank->pp_cache[p_bank->i_cache]->psz_file = strdup( psz_file );
+ p_bank->pp_cache[p_bank->i_cache]->i_time = i_file_time;
+ p_bank->pp_cache[p_bank->i_cache]->i_size = i_file_size;
+ p_bank->pp_cache[p_bank->i_cache]->b_junk = p_module ? 0 : 1;
+ p_bank->pp_cache[p_bank->i_cache]->p_module = p_module;
+ p_bank->i_cache++;
+
+ return p_module ? 0 : -1;
+}
+
+/*****************************************************************************
+ * AllocatePlugin: load a module into memory and initialize it.
+ *****************************************************************************
+ * This function loads a dynamically loadable module and allocates a structure
+ * for its information data. The module can then be handled by module_Need
+ * and module_Unneed. It can be removed by DeleteModule.
+ *****************************************************************************/
+static module_t * AllocatePlugin( vlc_object_t * p_this, char * psz_file )
+{
+ module_t * p_module;
+ module_handle_t handle;
+
+ if( LoadModule( p_this, psz_file, &handle ) ) return NULL;
+
/* Now that we have successfully loaded the module, we can
- * allocate a structure for it */
+ * allocate a structure for it */
p_module = vlc_object_create( p_this, VLC_OBJECT_MODULE );
if( p_module == NULL )
{
msg_Err( p_this, "out of memory" );
- module_unload( handle );
- return -1;
+ CloseModule( handle );
+ return NULL;
}
/* We need to fill these since they may be needed by CallEntry() */
p_module->psz_filename = psz_file;
p_module->handle = handle;
p_module->p_symbols = &p_this->p_libvlc->p_module_bank->symbols;
+ p_module->b_loaded = VLC_TRUE;
- /* Initialize the module: fill p_module->psz_object_name, default config */
+ /* Initialize the module: fill p_module, default config */
if( CallEntry( p_module ) != 0 )
{
/* We couldn't call module_init() */
vlc_object_destroy( p_module );
- module_unload( handle );
- return -1;
+ CloseModule( handle );
+ return NULL;
}
DupModule( p_module );
p_module->psz_filename = strdup( p_module->psz_filename );
- p_module->psz_longname = strdup( p_module->psz_longname );
/* Everything worked fine ! The module is ready to be added to the list. */
p_module->b_builtin = VLC_FALSE;
- /* msg_Dbg( p_this, "plugin \"%s\", %s",
- p_module->psz_object_name, p_module->psz_longname ); */
-
- vlc_object_attach( p_module, p_this->p_libvlc->p_module_bank );
-
- return 0;
+ return p_module;
}
/*****************************************************************************
* module is unloaded. */
p_module->psz_object_name = strdup( p_module->psz_object_name );
p_module->psz_capability = strdup( p_module->psz_capability );
+ p_module->psz_shortname = p_module->psz_shortname ?
+ strdup( p_module->psz_shortname ) : NULL;
+ p_module->psz_longname = strdup( p_module->psz_longname );
if( p_module->psz_program != NULL )
{
free( p_module->psz_object_name );
free( p_module->psz_capability );
+ if( p_module->psz_shortname ) free( p_module->psz_shortname );
+ free( p_module->psz_longname );
if( p_module->psz_program != NULL )
{
module_t * p_module;
/* Now that we have successfully loaded the module, we can
- * allocate a structure for it */
+ * allocate a structure for it */
p_module = vlc_object_create( p_this, VLC_OBJECT_MODULE );
if( p_module == NULL )
{
#ifdef HAVE_DYNAMIC_PLUGINS
if( !p_module->b_builtin )
{
- if( p_module->b_unloadable )
+ if( p_module->b_loaded && p_module->b_unloadable )
{
- module_unload( p_module->handle );
+ CloseModule( p_module->handle );
}
UndupModule( p_module );
free( p_module->psz_filename );
- free( p_module->psz_longname );
}
#endif
int (* pf_symbol) ( module_t * p_module );
/* Try to resolve the symbol */
- pf_symbol = (int (*)(module_t *)) module_getsymbol( p_module->handle,
- psz_name );
+ pf_symbol = (int (*)(module_t *)) GetSymbol( p_module->handle, psz_name );
if( pf_symbol == NULL )
{
- char psz_buffer[256];
-
- /* We couldn't load the symbol */
+#if defined(HAVE_DL_DYLD) || defined(HAVE_DL_BEOS)
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s'",
+ psz_name, p_module->psz_filename );
+#elif defined(HAVE_DL_WINDOWS)
+ char *psz_error = GetWindowsError();
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
+ psz_name, p_module->psz_filename, psz_error );
+ free( psz_error );
+#elif defined(HAVE_DL_DLOPEN)
+ msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
+ psz_name, p_module->psz_filename, dlerror() );
+#elif defined(HAVE_DL_SHL_LOAD)
msg_Warn( p_module, "cannot find symbol \"%s\" in file `%s' (%s)",
- psz_name, p_module->psz_filename,
- module_error( psz_buffer ) );
+ psz_name, p_module->psz_filename, strerror(errno) );
+#else
+# error "Something is wrong in modules.c"
+#endif
return -1;
}
/* Everything worked fine, we can return */
return 0;
}
-#endif /* HAVE_DYNAMIC_PLUGINS */
+/*****************************************************************************
+ * LoadModule: loads a dynamic library
+ *****************************************************************************
+ * This function loads a dynamically linked library using a system dependant
+ * method. Will return 0 on success as well as the module handle.
+ *****************************************************************************/
+static int LoadModule( vlc_object_t *p_this, char *psz_file,
+ module_handle_t *p_handle )
+{
+ module_handle_t handle;
+
+#if defined(HAVE_DL_DYLD)
+ NSObjectFileImage image;
+ NSObjectFileImageReturnCode ret;
+
+ ret = NSCreateObjectFileImageFromFile( psz_file, &image );
+
+ if( ret != NSObjectFileImageSuccess )
+ {
+ msg_Warn( p_this, "cannot create image from `%s'", psz_file );
+ return -1;
+ }
+
+ /* Open the dynamic module */
+ handle = NSLinkModule( image, psz_file,
+ NSLINKMODULE_OPTION_RETURN_ON_ERROR );
+
+ if( !handle )
+ {
+ NSLinkEditErrors errors;
+ const char *psz_file, *psz_err;
+ int i_errnum;
+ NSLinkEditError( &errors, &i_errnum, &psz_file, &psz_err );
+ msg_Warn( p_this, "cannot link module `%s' (%s)", psz_file, psz_err );
+ NSDestroyObjectFileImage( image );
+ return -1;
+ }
+
+ /* Destroy our image, we won't need it */
+ NSDestroyObjectFileImage( image );
+
+#elif defined(HAVE_DL_BEOS)
+ handle = load_add_on( psz_file );
+ if( handle < 0 )
+ {
+ msg_Warn( p_this, "cannot load module `%s'", psz_file );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_WINDOWS)
+#ifdef UNDER_CE
+ {
+ wchar_t psz_wfile[MAX_PATH];
+ MultiByteToWideChar( CP_ACP, 0, psz_file, -1, psz_wfile, MAX_PATH );
+ handle = LoadLibrary( psz_wfile );
+ }
+#else
+ handle = LoadLibrary( psz_file );
+#endif
+ if( handle == NULL )
+ {
+ char *psz_err = GetWindowsError();
+ msg_Warn( p_this, "cannot load module `%s' (%s)", psz_file, psz_err );
+ free( psz_err );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_DLOPEN) && defined(RTLD_NOW)
+ /* static is OK, we are called atomically */
+ static vlc_bool_t b_kde = VLC_FALSE;
+
+# if defined(SYS_LINUX)
+ /* XXX HACK #1 - we should NOT open modules with RTLD_GLOBAL, or we
+ * are going to get namespace collisions when two modules have common
+ * public symbols, but ALSA is being a pest here. */
+ if( strstr( psz_file, "alsa_plugin" ) )
+ {
+ handle = dlopen( psz_file, RTLD_NOW | RTLD_GLOBAL );
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%s)",
+ psz_file, dlerror() );
+ return -1;
+ }
+ }
+# endif
+ /* XXX HACK #2 - the ugly KDE workaround. It seems that libkdewhatever
+ * causes dlopen() to segfault if libstdc++ is not loaded in the caller,
+ * so we just load libstdc++. Bwahahaha! ph34r! -- Sam. */
+ /* Update: FYI, this is Debian bug #180505, and seems to be fixed. */
+ if( !b_kde && !strstr( psz_file, "kde" ) )
+ {
+ dlopen( "libstdc++.so.6", RTLD_NOW )
+ || dlopen( "libstdc++.so.5", RTLD_NOW )
+ || dlopen( "libstdc++.so.4", RTLD_NOW )
+ || dlopen( "libstdc++.so.3", RTLD_NOW );
+ b_kde = VLC_TRUE;
+ }
+
+ handle = dlopen( psz_file, RTLD_NOW );
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%s)",
+ psz_file, dlerror() );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_DLOPEN)
+# if defined(DL_LAZY)
+ handle = dlopen( psz_file, DL_LAZY );
+# else
+ handle = dlopen( psz_file, 0 );
+# endif
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%s)",
+ psz_file, dlerror() );
+ return -1;
+ }
+
+#elif defined(HAVE_DL_SHL_LOAD)
+ handle = shl_load( psz_file, BIND_IMMEDIATE | BIND_NONFATAL, NULL );
+ if( handle == NULL )
+ {
+ msg_Warn( p_this, "cannot load module `%s' (%s)",
+ psz_file, strerror(errno) );
+ return -1;
+ }
+
+#else
+# error "Something is wrong in modules.c"
+
+#endif
+
+ *p_handle = handle;
+ return 0;
+}
+
+/*****************************************************************************
+ * CloseModule: unload a dynamic library
+ *****************************************************************************
+ * This function unloads a previously opened dynamically linked library
+ * using a system dependant method. No return value is taken in consideration,
+ * since some libraries sometimes refuse to close properly.
+ *****************************************************************************/
+static void CloseModule( module_handle_t handle )
+{
+#if defined(HAVE_DL_DYLD)
+ NSUnLinkModule( handle, FALSE );
+
+#elif defined(HAVE_DL_BEOS)
+ unload_add_on( handle );
+
+#elif defined(HAVE_DL_WINDOWS)
+ FreeLibrary( handle );
+
+#elif defined(HAVE_DL_DLOPEN)
+ dlclose( handle );
+
+#elif defined(HAVE_DL_SHL_LOAD)
+ shl_unload( handle );
+
+#endif
+ return;
+}
+
+/*****************************************************************************
+ * GetSymbol: get a symbol from a dynamic library
+ *****************************************************************************
+ * This function queries a loaded library for a symbol specified in a
+ * string, and returns a pointer to it. We don't check for dlerror() or
+ * similar functions, since we want a non-NULL symbol anyway.
+ *****************************************************************************/
+static void * _module_getsymbol( module_handle_t, const char * );
+
+static void * GetSymbol( module_handle_t handle, const char * psz_function )
+{
+ void * p_symbol = _module_getsymbol( handle, psz_function );
+
+ /* MacOS X dl library expects symbols to begin with "_". So do
+ * some other operating systems. That's really lame, but hey, what
+ * can we do ? */
+ if( p_symbol == NULL )
+ {
+ char *psz_call = malloc( strlen( psz_function ) + 2 );
+
+ strcpy( psz_call + 1, psz_function );
+ psz_call[ 0 ] = '_';
+ p_symbol = _module_getsymbol( handle, psz_call );
+ free( psz_call );
+ }
+
+ return p_symbol;
+}
+
+static void * _module_getsymbol( module_handle_t handle,
+ const char * psz_function )
+{
+#if defined(HAVE_DL_DYLD)
+ NSSymbol sym = NSLookupSymbolInModule( handle, psz_function );
+ return NSAddressOfSymbol( sym );
+
+#elif defined(HAVE_DL_BEOS)
+ void * p_symbol;
+ if( B_OK == get_image_symbol( handle, psz_function,
+ B_SYMBOL_TYPE_TEXT, &p_symbol ) )
+ {
+ return p_symbol;
+ }
+ else
+ {
+ return NULL;
+ }
+
+#elif defined(HAVE_DL_WINDOWS) && defined(UNDER_CE)
+ wchar_t psz_real[256];
+ MultiByteToWideChar( CP_ACP, 0, psz_function, -1, psz_real, 256 );
+
+ return (void *)GetProcAddress( handle, psz_real );
+
+#elif defined(HAVE_DL_WINDOWS) && defined(WIN32)
+ return (void *)GetProcAddress( handle, (char *)psz_function );
+
+#elif defined(HAVE_DL_DLOPEN)
+ return dlsym( handle, psz_function );
+
+#elif defined(HAVE_DL_SHL_LOAD)
+ void *p_sym;
+ shl_findsym( &handle, psz_function, TYPE_UNDEFINED, &p_sym );
+ return p_sym;
+
+#endif
+}
+
+#if defined(HAVE_DL_WINDOWS)
+static char * GetWindowsError( void )
+{
+#if defined(UNDER_CE)
+ wchar_t psz_tmp[MAX_PATH];
+ char * psz_buffer = malloc( MAX_PATH );
+#else
+ char * psz_tmp = malloc( MAX_PATH );
+#endif
+ int i = 0, i_error = GetLastError();
+
+ FormatMessage( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, i_error, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR)psz_tmp, MAX_PATH, NULL );
+
+ /* Go to the end of the string */
+ while( psz_tmp[i] && psz_tmp[i] != _T('\r') && psz_tmp[i] != _T('\n') )
+ {
+ i++;
+ }
+
+ if( psz_tmp[i] )
+ {
+#if defined(UNDER_CE)
+ swprintf( psz_tmp + i, L" (error %i)", i_error );
+ psz_tmp[ 255 ] = L'\0';
+#else
+ snprintf( psz_tmp + i, 256 - i, " (error %i)", i_error );
+ psz_tmp[ 255 ] = '\0';
+#endif
+ }
+
+#if defined(UNDER_CE)
+ wcstombs( psz_buffer, psz_tmp, MAX_PATH );
+ return psz_buffer;
+#else
+ return psz_tmp;
+#endif
+}
+#endif /* HAVE_DL_WINDOWS */
+
+/*****************************************************************************
+ * LoadPluginsCache: loads the plugins cache file
+ *****************************************************************************
+ * This function will load the plugin cache if present and valid. This cache
+ * will in turn be queried by AllocateAllPlugins() to see if it needs to
+ * actually load the dynamically loadable module.
+ * This allows us to only fully load plugins when they are actually used.
+ *****************************************************************************/
+static void CacheLoad( vlc_object_t *p_this )
+{
+ char *psz_filename, *psz_homedir;
+ FILE *file;
+ int i, j, i_size, i_read;
+ char p_cachestring[sizeof(PLUGINSCACHE_DIR COPYRIGHT_MESSAGE)];
+ char p_cachelang[6], p_lang[6];
+ int i_cache;
+ module_cache_t **pp_cache = 0;
+ int32_t i_file_size, i_marker;
+
+ psz_homedir = p_this->p_vlc->psz_homedir;
+ if( !psz_homedir )
+ {
+ msg_Err( p_this, "psz_homedir is null" );
+ return;
+ }
+
+ i_size = asprintf( &psz_filename, "%s/%s/%s/%s", psz_homedir, CONFIG_DIR,
+ PLUGINSCACHE_DIR, CacheName() );
+ if( i_size <= 0 )
+ {
+ msg_Err( p_this, "out of memory" );
+ return;
+ }
+
+ if( p_this->p_libvlc->p_module_bank->b_cache_delete )
+ {
+#if !defined( UNDER_CE )
+ unlink( psz_filename );
+#else
+ wchar_t psz_wf[MAX_PATH];
+ MultiByteToWideChar( CP_ACP, 0, psz_filename, -1, psz_wf, MAX_PATH );
+ DeleteFile( psz_wf );
+#endif
+ msg_Dbg( p_this, "removing plugins cache file %s", psz_filename );
+ return;
+ }
+
+ msg_Dbg( p_this, "loading plugins cache file %s", psz_filename );
+
+ file = fopen( psz_filename, "rb" );
+ if( !file )
+ {
+ msg_Warn( p_this, "could not open plugins cache file %s for reading",
+ psz_filename );
+ free( psz_filename );
+ return;
+ }
+ free( psz_filename );
+
+ /* Check the file size */
+ i_read = fread( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+ if( i_read != sizeof(i_file_size) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(too short)" );
+ fclose( file );
+ return;
+ }
+
+ fseek( file, 0, SEEK_END );
+ if( ftell( file ) != i_file_size )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(corrupted size)" );
+ fclose( file );
+ return;
+ }
+ fseek( file, sizeof(i_file_size), SEEK_SET );
+
+ /* Check the file is a plugins cache */
+ i_size = sizeof(PLUGINSCACHE_DIR COPYRIGHT_MESSAGE) - 1;
+ i_read = fread( p_cachestring, sizeof(char), i_size, file );
+ if( i_read != i_size ||
+ memcmp( p_cachestring, PLUGINSCACHE_DIR COPYRIGHT_MESSAGE, i_size ) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache" );
+ fclose( file );
+ return;
+ }
+
+ /* Check the language hasn't changed */
+ sprintf( p_lang, "%5.5s", _("C") ); i_size = 5;
+ i_read = fread( p_cachelang, sizeof(char), i_size, file );
+ if( i_read != i_size || memcmp( p_cachelang, p_lang, i_size ) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(language changed)" );
+ fclose( file );
+ return;
+ }
+
+ /* Check header marker */
+ i_read = fread( &i_marker, sizeof(char), sizeof(i_marker), file );
+ if( i_read != sizeof(i_marker) ||
+ i_marker != ftell( file ) - (int)sizeof(i_marker) )
+ {
+ msg_Warn( p_this, "This doesn't look like a valid plugins cache "
+ "(corrupted header)" );
+ fclose( file );
+ return;
+ }
+
+ p_this->p_libvlc->p_module_bank->i_loaded_cache = 0;
+ fread( &i_cache, sizeof(char), sizeof(i_cache), file );
+ pp_cache = p_this->p_libvlc->p_module_bank->pp_loaded_cache =
+ malloc( i_cache * sizeof(void *) );
+
+#define LOAD_IMMEDIATE(a) \
+ if( fread( &a, sizeof(char), sizeof(a), file ) != sizeof(a) ) goto error
+#define LOAD_STRING(a) \
+ { if( fread( &i_size, sizeof(char), sizeof(i_size), file ) \
+ != sizeof(i_size) ) goto error; \
+ if( i_size ) { \
+ a = malloc( i_size ); \
+ if( fread( a, sizeof(char), i_size, file ) != (size_t)i_size ) \
+ goto error; \
+ } else a = 0; \
+ } while(0)
+
+
+ for( i = 0; i < i_cache; i++ )
+ {
+ int16_t i_size;
+ int i_submodules;
+
+ pp_cache[i] = malloc( sizeof(module_cache_t) );
+ p_this->p_libvlc->p_module_bank->i_loaded_cache++;
+
+ /* Load common info */
+ LOAD_STRING( pp_cache[i]->psz_file );
+ LOAD_IMMEDIATE( pp_cache[i]->i_time );
+ LOAD_IMMEDIATE( pp_cache[i]->i_size );
+ LOAD_IMMEDIATE( pp_cache[i]->b_junk );
+
+ if( pp_cache[i]->b_junk ) continue;
+
+ pp_cache[i]->p_module = vlc_object_create( p_this, VLC_OBJECT_MODULE );
+
+ /* Load additional infos */
+ LOAD_STRING( pp_cache[i]->p_module->psz_object_name );
+ LOAD_STRING( pp_cache[i]->p_module->psz_shortname );
+ LOAD_STRING( pp_cache[i]->p_module->psz_longname );
+ LOAD_STRING( pp_cache[i]->p_module->psz_program );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ LOAD_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
+ }
+ LOAD_STRING( pp_cache[i]->p_module->psz_capability );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->i_score );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
+ LOAD_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
+
+ /* Config stuff */
+ if( CacheLoadConfig( pp_cache[i]->p_module, file ) != VLC_SUCCESS )
+ goto error;
+
+ LOAD_STRING( pp_cache[i]->p_module->psz_filename );
+
+ LOAD_IMMEDIATE( i_submodules );
+
+ while( i_submodules-- )
+ {
+ module_t *p_module = vlc_object_create( p_this, VLC_OBJECT_MODULE);
+ vlc_object_attach( p_module, pp_cache[i]->p_module );
+ p_module->b_submodule = VLC_TRUE;
+
+ LOAD_STRING( p_module->psz_object_name );
+ LOAD_STRING( p_module->psz_shortname );
+ LOAD_STRING( p_module->psz_longname );
+ LOAD_STRING( p_module->psz_program );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ LOAD_STRING( p_module->pp_shortcuts[j] ); // FIX
+ }
+ LOAD_STRING( p_module->psz_capability );
+ LOAD_IMMEDIATE( p_module->i_score );
+ LOAD_IMMEDIATE( p_module->i_cpu );
+ LOAD_IMMEDIATE( p_module->b_unloadable );
+ LOAD_IMMEDIATE( p_module->b_reentrant );
+ }
+ }
+
+ fclose( file );
+ return;
+
+ error:
+
+ msg_Warn( p_this, "plugins cache not loaded (corrupted)" );
+
+ /* TODO: cleanup */
+ p_this->p_libvlc->p_module_bank->i_loaded_cache = 0;
+
+ fclose( file );
+ return;
+}
+
+int CacheLoadConfig( module_t *p_module, FILE *file )
+{
+ int i, j, i_lines;
+ int16_t i_size;
+
+ /* Calculate the structure length */
+ LOAD_IMMEDIATE( p_module->i_config_items );
+ LOAD_IMMEDIATE( p_module->i_bool_items );
+
+ LOAD_IMMEDIATE( i_lines );
+
+ /* Allocate memory */
+ p_module->p_config =
+ (module_config_t *)malloc( sizeof(module_config_t) * (i_lines + 1));
+ if( p_module->p_config == NULL )
+ {
+ msg_Err( p_module, "config error: can't duplicate p_config" );
+ return VLC_ENOMEM;
+ }
+
+ /* Do the duplication job */
+ for( i = 0; i < i_lines ; i++ )
+ {
+ LOAD_IMMEDIATE( p_module->p_config[i] );
+
+ LOAD_STRING( p_module->p_config[i].psz_type );
+ LOAD_STRING( p_module->p_config[i].psz_name );
+ LOAD_STRING( p_module->p_config[i].psz_text );
+ LOAD_STRING( p_module->p_config[i].psz_longtext );
+ LOAD_STRING( p_module->p_config[i].psz_value_orig );
+
+ p_module->p_config[i].psz_value =
+ p_module->p_config[i].psz_value_orig ?
+ strdup( p_module->p_config[i].psz_value_orig ) : 0;
+ p_module->p_config[i].i_value = p_module->p_config[i].i_value_orig;
+ p_module->p_config[i].f_value = p_module->p_config[i].f_value_orig;
+
+ p_module->p_config[i].p_lock = &p_module->object_lock;
+
+ if( p_module->p_config[i].i_list )
+ {
+ if( p_module->p_config[i].ppsz_list )
+ {
+ p_module->p_config[i].ppsz_list =
+ malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
+ if( p_module->p_config[i].ppsz_list )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ LOAD_STRING( p_module->p_config[i].ppsz_list[j] );
+ p_module->p_config[i].ppsz_list[j] = NULL;
+ }
+ }
+ if( p_module->p_config[i].ppsz_list_text )
+ {
+ p_module->p_config[i].ppsz_list_text =
+ malloc( (p_module->p_config[i].i_list+1) * sizeof(char *));
+ if( p_module->p_config[i].ppsz_list_text )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ LOAD_STRING( p_module->p_config[i].ppsz_list_text[j] );
+ p_module->p_config[i].ppsz_list_text[j] = NULL;
+ }
+ }
+ if( p_module->p_config[i].pi_list )
+ {
+ p_module->p_config[i].pi_list =
+ malloc( (p_module->p_config[i].i_list + 1) * sizeof(int) );
+ if( p_module->p_config[i].pi_list )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ LOAD_IMMEDIATE( p_module->p_config[i].pi_list[j] );
+ }
+ }
+ }
+
+ if( p_module->p_config[i].i_action )
+ {
+ p_module->p_config[i].ppf_action =
+ malloc( p_module->p_config[i].i_action * sizeof(void *) );
+ p_module->p_config[i].ppsz_action_text =
+ malloc( p_module->p_config[i].i_action * sizeof(char *) );
+
+ for( j = 0; j < p_module->p_config[i].i_action; j++ )
+ {
+ p_module->p_config[i].ppf_action[j] = 0;
+ LOAD_STRING( p_module->p_config[i].ppsz_action_text[j] );
+ }
+ }
+
+ LOAD_IMMEDIATE( p_module->p_config[i].pf_callback );
+ }
+
+ p_module->p_config[i].i_type = CONFIG_HINT_END;
+
+ return VLC_SUCCESS;
+
+ error:
+
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * SavePluginsCache: saves the plugins cache to a file
+ *****************************************************************************/
+static void CacheSave( vlc_object_t *p_this )
+{
+ static char const psz_tag[] =
+ "Signature: 8a477f597d28d172789f06886806bc55\r\n"
+ "# This file is a cache directory tag created by VLC.\r\n"
+ "# For information about cache directory tags, see:\r\n"
+ "# http://www.brynosaurus.com/cachedir/\r\n";
+
+ char *psz_filename, *psz_homedir;
+ FILE *file;
+ int i, j, i_cache;
+ module_cache_t **pp_cache;
+ int32_t i_file_size = 0;
+
+ psz_homedir = p_this->p_vlc->psz_homedir;
+ if( !psz_homedir )
+ {
+ msg_Err( p_this, "psz_homedir is null" );
+ return;
+ }
+ psz_filename =
+ (char *)malloc( sizeof("/" CONFIG_DIR "/" PLUGINSCACHE_DIR "/" ) +
+ strlen(psz_homedir) + strlen(CacheName()) );
+
+ if( !psz_filename )
+ {
+ msg_Err( p_this, "out of memory" );
+ return;
+ }
+
+ sprintf( psz_filename, "%s/%s", psz_homedir, CONFIG_DIR );
+
+ config_CreateDir( p_this, psz_filename );
+
+ strcat( psz_filename, "/" PLUGINSCACHE_DIR );
+
+ config_CreateDir( p_this, psz_filename );
+
+ strcat( psz_filename, "/CACHEDIR.TAG" );
+
+ file = fopen( psz_filename, "wb" );
+ if( file )
+ {
+ fwrite( psz_tag, 1, strlen(psz_tag), file );
+ fclose( file );
+ }
+
+ sprintf( psz_filename, "%s/%s/%s/%s", psz_homedir, CONFIG_DIR,
+ PLUGINSCACHE_DIR, CacheName() );
+
+ msg_Dbg( p_this, "saving plugins cache file %s", psz_filename );
+
+ file = fopen( psz_filename, "wb" );
+ if( !file )
+ {
+ msg_Warn( p_this, "could not open plugins cache file %s for writing",
+ psz_filename );
+ free( psz_filename );
+ return;
+ }
+ free( psz_filename );
+
+ /* Empty space for file size */
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ /* Contains version number */
+ fprintf( file, "%s", PLUGINSCACHE_DIR COPYRIGHT_MESSAGE );
+
+ /* Language */
+ fprintf( file, "%5.5s", _("C") );
+
+ /* Header marker */
+ i_file_size = ftell( file );
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ i_cache = p_this->p_libvlc->p_module_bank->i_cache;
+ pp_cache = p_this->p_libvlc->p_module_bank->pp_cache;
+
+ fwrite( &i_cache, sizeof(char), sizeof(i_cache), file );
+
+#define SAVE_IMMEDIATE(a) \
+ fwrite( &a, sizeof(char), sizeof(a), file )
+#define SAVE_STRING(a) \
+ { i_size = a ? strlen( a ) + 1 : 0; \
+ fwrite( &i_size, sizeof(char), sizeof(i_size), file ); \
+ if( a ) fwrite( a, sizeof(char), i_size, file ); \
+ } while(0)
+
+ for( i = 0; i < i_cache; i++ )
+ {
+ int16_t i_size;
+ int32_t i_submodule;
+
+ /* Save common info */
+ SAVE_STRING( pp_cache[i]->psz_file );
+ SAVE_IMMEDIATE( pp_cache[i]->i_time );
+ SAVE_IMMEDIATE( pp_cache[i]->i_size );
+ SAVE_IMMEDIATE( pp_cache[i]->b_junk );
+
+ if( pp_cache[i]->b_junk ) continue;
+
+ /* Save additional infos */
+ SAVE_STRING( pp_cache[i]->p_module->psz_object_name );
+ SAVE_STRING( pp_cache[i]->p_module->psz_shortname );
+ SAVE_STRING( pp_cache[i]->p_module->psz_longname );
+ SAVE_STRING( pp_cache[i]->p_module->psz_program );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ SAVE_STRING( pp_cache[i]->p_module->pp_shortcuts[j] ); // FIX
+ }
+ SAVE_STRING( pp_cache[i]->p_module->psz_capability );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->i_score );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->i_cpu );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->b_unloadable );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->b_reentrant );
+ SAVE_IMMEDIATE( pp_cache[i]->p_module->b_submodule );
+
+ /* Config stuff */
+ CacheSaveConfig( pp_cache[i]->p_module, file );
+
+ SAVE_STRING( pp_cache[i]->p_module->psz_filename );
+
+ i_submodule = pp_cache[i]->p_module->i_children;
+ SAVE_IMMEDIATE( i_submodule );
+ for( i_submodule = 0; i_submodule < pp_cache[i]->p_module->i_children;
+ i_submodule++ )
+ {
+ module_t *p_module =
+ (module_t *)pp_cache[i]->p_module->pp_children[i_submodule];
+
+ SAVE_STRING( p_module->psz_object_name );
+ SAVE_STRING( p_module->psz_shortname );
+ SAVE_STRING( p_module->psz_longname );
+ SAVE_STRING( p_module->psz_program );
+ for( j = 0; j < MODULE_SHORTCUT_MAX; j++ )
+ {
+ SAVE_STRING( p_module->pp_shortcuts[j] ); // FIX
+ }
+ SAVE_STRING( p_module->psz_capability );
+ SAVE_IMMEDIATE( p_module->i_score );
+ SAVE_IMMEDIATE( p_module->i_cpu );
+ SAVE_IMMEDIATE( p_module->b_unloadable );
+ SAVE_IMMEDIATE( p_module->b_reentrant );
+ }
+ }
+
+ /* Fill-up file size */
+ i_file_size = ftell( file );
+ fseek( file, 0, SEEK_SET );
+ fwrite( &i_file_size, sizeof(char), sizeof(i_file_size), file );
+
+ fclose( file );
+
+ return;
+}
+
+void CacheSaveConfig( module_t *p_module, FILE *file )
+{
+ int i, j, i_lines = 0;
+ module_config_t *p_item;
+ int16_t i_size;
+
+ SAVE_IMMEDIATE( p_module->i_config_items );
+ SAVE_IMMEDIATE( p_module->i_bool_items );
+
+ for( p_item = p_module->p_config; p_item->i_type != CONFIG_HINT_END;
+ p_item++ ) i_lines++;
+
+ SAVE_IMMEDIATE( i_lines );
+
+ for( i = 0; i < i_lines ; i++ )
+ {
+ SAVE_IMMEDIATE( p_module->p_config[i] );
+
+ SAVE_STRING( p_module->p_config[i].psz_type );
+ SAVE_STRING( p_module->p_config[i].psz_name );
+ SAVE_STRING( p_module->p_config[i].psz_text );
+ SAVE_STRING( p_module->p_config[i].psz_longtext );
+ SAVE_STRING( p_module->p_config[i].psz_value_orig );
+
+ if( p_module->p_config[i].i_list )
+ {
+ if( p_module->p_config[i].ppsz_list )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ SAVE_STRING( p_module->p_config[i].ppsz_list[j] );
+ }
+
+ if( p_module->p_config[i].ppsz_list_text )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ SAVE_STRING( p_module->p_config[i].ppsz_list_text[j] );
+ }
+ if( p_module->p_config[i].pi_list )
+ {
+ for( j = 0; j < p_module->p_config[i].i_list; j++ )
+ SAVE_IMMEDIATE( p_module->p_config[i].pi_list[j] );
+ }
+ }
+
+ for( j = 0; j < p_module->p_config[i].i_action; j++ )
+ SAVE_STRING( p_module->p_config[i].ppsz_action_text[j] );
+
+ SAVE_IMMEDIATE( p_module->p_config[i].pf_callback );
+ }
+}
+
+/*****************************************************************************
+ * CacheName: Return the cache file name for this platform.
+ *****************************************************************************/
+static char *CacheName( void )
+{
+ static char psz_cachename[32];
+ static vlc_bool_t b_initialised = VLC_FALSE;
+
+ if( !b_initialised )
+ {
+ /* Code int size, pointer size and endianness in the filename */
+ int32_t x = 0xbe00001e;
+ sprintf( psz_cachename, "plugins-%.2x%.2x%.2x.dat", sizeof(int),
+ sizeof(void *), (unsigned int)((unsigned char *)&x)[0] );
+ b_initialised = VLC_TRUE;
+ }
+
+ return psz_cachename;
+}
+
+/*****************************************************************************
+ * CacheMerge: Merge a cache module descriptor with a full module descriptor.
+ *****************************************************************************/
+static void CacheMerge( vlc_object_t *p_this, module_t *p_cache,
+ module_t *p_module )
+{
+ int i_submodule;
+
+ p_cache->pf_activate = p_module->pf_activate;
+ p_cache->pf_deactivate = p_module->pf_deactivate;
+ p_cache->p_symbols = p_module->p_symbols;
+ p_cache->handle = p_module->handle;
+
+ for( i_submodule = 0; i_submodule < p_module->i_children; i_submodule++ )
+ {
+ module_t *p_child = (module_t*)p_module->pp_children[i_submodule];
+ module_t *p_cchild = (module_t*)p_cache->pp_children[i_submodule];
+ p_cchild->pf_activate = p_child->pf_activate;
+ p_cchild->pf_deactivate = p_child->pf_deactivate;
+ p_cchild->p_symbols = p_child->p_symbols;
+ }
+
+ p_cache->b_loaded = VLC_TRUE;
+ p_module->b_loaded = VLC_FALSE;
+}
+
+/*****************************************************************************
+ * FindPluginCache: finds the cache entry corresponding to a file
+ *****************************************************************************/
+static module_cache_t *CacheFind( vlc_object_t *p_this, char *psz_file,
+ int64_t i_time, int64_t i_size )
+{
+ module_cache_t **pp_cache;
+ int i_cache, i;
+
+ pp_cache = p_this->p_libvlc->p_module_bank->pp_loaded_cache;
+ i_cache = p_this->p_libvlc->p_module_bank->i_loaded_cache;
+
+ for( i = 0; i < i_cache; i++ )
+ {
+ if( !strcmp( pp_cache[i]->psz_file, psz_file ) &&
+ pp_cache[i]->i_time == i_time &&
+ pp_cache[i]->i_size == i_size ) return pp_cache[i];
+ }
+
+ return NULL;
+}
+
+#endif /* HAVE_DYNAMIC_PLUGINS */
projects / vlc / blobdiff