* Copyright (C) 2001 VideoLAN
*
* Authors: Samuel Hocevar <sam@zoy.org>
+ * Ethan C. Baldridge <BaldridgeE@cadmus.com>
*
* 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 <stdlib.h> /* free(), strtol() */
#include <stdio.h> /* sprintf() */
-#include <string.h> /* strerror() */
-#include <errno.h> /* ENOMEM */
-#include <sys/types.h> /* open */
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h> /* close */
+#include <string.h> /* strdup() */
+#include <dirent.h>
#if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
#include <dlfcn.h> /* dlopen(), dlsym(), dlclose() */
#include "intf_msg.h"
#include "modules.h"
+#include "modules_core.h"
/* Local prototypes */
static int AllocateDynModule( module_bank_t * p_bank, char * psz_filename );
static int CallSymbol( module_t * p_module, char * psz_name );
/*****************************************************************************
- * module_InitBank: create the module bank.
+ * module_CreateBank: create the module bank.
*****************************************************************************
- * This function creates a module bank structure and fills it with the
- * built-in modules, as well as all the dynamic modules it can find.
+ * This function creates a module bank structure.
*****************************************************************************/
-module_bank_t * module_InitBank( void )
+module_bank_t * module_CreateBank( void )
{
module_bank_t * p_bank;
- intf_ErrMsg( "FIXME: module_InitBank unimplemented" );
p_bank = malloc( sizeof( module_bank_t ) );
return( p_bank );
}
+/*****************************************************************************
+ * module_InitBank: create the module bank.
+ *****************************************************************************
+ * This function creates a module bank structure and fills it with the
+ * built-in modules, as well as all the dynamic modules it can find.
+ *****************************************************************************/
+void module_InitBank( module_bank_t * p_bank )
+{
+ static char * path[] = { ".", "lib", PLUGIN_PATH, NULL } ;
+
+ char ** ppsz_path = path;
+ char * psz_file;
+#ifdef SYS_BEOS
+ char * psz_program_path = beos_GetProgramPath();
+ int i_programlen = strlen( psz_program_path );
+#endif
+ DIR * dir;
+ struct dirent * file;
+
+ p_bank->first = NULL;
+ vlc_mutex_init( &p_bank->lock );
+
+ intf_Msg( "module: module bank initialized" );
+
+ for( ; *ppsz_path != NULL ; ppsz_path++ )
+ {
+ if( (dir = opendir( *ppsz_path )) )
+ {
+ /* Store strlen(*ppsz_path) for later use. */
+ int i_dirlen = strlen( *ppsz_path );
+
+ /* Parse the directory and try to load all files it contains. */
+ while( (file = readdir( dir )) )
+ {
+ int i_filelen = strlen( file->d_name );
+
+ /* We only load files ending with ".so" */
+ if( i_filelen > 3
+ && !strcmp( file->d_name + i_filelen - 3, ".so" ) )
+ {
+#ifdef SYS_BEOS
+ /* Under BeOS, we need to add beos_GetProgramPath() to
+ * access files under the current directory */
+ if( memcmp( file->d_name, "/", 1 ) )
+ {
+ psz_file = malloc( i_programlen + i_dirlen
+ + i_filelen + 3 );
+ if( psz_file == NULL )
+ {
+ continue;
+ }
+ sprintf( psz_file, "%s/%s/%s", psz_programlen,
+ *ppsz_path, file->d_name );
+ }
+ else
+#endif
+ {
+ psz_file = malloc( i_dirlen + i_filelen + 2 );
+ if( psz_file == NULL )
+ {
+ continue;
+ }
+ sprintf( psz_file, "%s/%s", *ppsz_path, file->d_name );
+ }
+ /* We created a nice filename -- now we just try to load
+ * it as a dynamic module. */
+ AllocateDynModule( p_bank, psz_file );
+
+ /* We don't care if the allocation succeeded */
+ free( psz_file );
+ }
+ }
+ }
+ }
+
+ return;
+}
+
/*****************************************************************************
* module_DestroyBank: destroy the module bank.
*****************************************************************************
* This function unloads all unused dynamic modules and removes the module
* bank in case of success.
*****************************************************************************/
-int module_DestroyBank( module_bank_t * p_bank )
+void module_DestroyBank( module_bank_t * p_bank )
{
- intf_ErrMsg( "FIXME: module_DestroyBank unimplemented" );
- return( -1 );
+ module_t * p_next;
+
+ while( p_bank->first != NULL )
+ {
+ if( FreeModule( p_bank, p_bank->first ) )
+ {
+ /* Module deletion failed */
+ intf_ErrMsg( "module error: `%s' can't be removed. trying harder.",
+ p_bank->first->psz_name );
+
+ /* We just free the module by hand. Niahahahahaha. */
+ p_next = p_bank->first->next;
+ free(p_bank->first);
+ p_bank->first = p_next;
+ }
+ }
+
+ /* We can free the module bank */
+ free( p_bank );
+
+ return;
}
/*****************************************************************************
* module_ResetBank: reset the module bank.
*****************************************************************************
- * This function resets the plugin bank by unloading all unused dynamic
+ * This function resets the module bank by unloading all unused dynamic
* modules.
*****************************************************************************/
-int module_ResetBank( module_bank_t * p_bank )
+void module_ResetBank( module_bank_t * p_bank )
{
intf_ErrMsg( "FIXME: module_ResetBank unimplemented" );
- return( -1 );
+ return;
}
/*****************************************************************************
}
else
{
- intf_Msg( "hiding unused module %s", p_module->psz_name );
+ intf_Msg( "module: hiding unused module `%s'",
+ p_module->psz_name );
HideModule( p_module );
}
}
}
/* We release the global lock */
- vlc_mutex_lock( &p_bank->lock );
+ vlc_mutex_unlock( &p_bank->lock );
return;
}
if( p_module->b_builtin )
{
/* A built-in module should always have a refcount >= 0 ! */
- intf_ErrMsg( "module error: built-in module %s has refcount %i",
+ intf_ErrMsg( "module error: built-in module `%s' has refcount %i",
p_module->psz_name, p_module->i_usage );
return( -1 );
}
if( p_module->i_usage != -1 )
{
/* This shouldn't happen. Ever. We have serious problems here. */
- intf_ErrMsg( "module error: dynamic module %s has refcount %i",
+ intf_ErrMsg( "module error: dynamic module `%s' has refcount %i",
p_module->psz_name, p_module->i_usage );
return( -1 );
}
if( p_module->i_usage <= 0 )
{
/* This shouldn't happen. Ever. We have serious problems here. */
- intf_ErrMsg( "module error: trying to call module_Unneed() on %s"
+ intf_ErrMsg( "module error: trying to call module_Unneed() on `%s'"
" which isn't even in use", p_module->psz_name );
return( -1 );
}
if( ! module_load( psz_filename, &handle ) )
{
/* The dynamic module couldn't be opened */
- intf_ErrMsg( "module error: cannot open %s (%s)",
+ intf_DbgMsg( "module error: cannot open %s (%s)",
psz_filename, module_error() );
return( -1 );
}
p_module->b_builtin = 0;
- /* Link module across linked list */
+ /* Link module into the linked list */
if( p_bank->first != NULL )
{
p_bank->first->prev = p_module;
}
p_module->next = p_bank->first;
+ p_module->prev = NULL;
p_bank->first = p_module;
+ intf_Msg( "module: dynamic module `%s', %s",
+ p_module->psz_name, p_module->psz_longname );
+
return( 0 );
}
if( p_module->b_builtin )
{
/* A built-in module should never be hidden. */
- intf_ErrMsg( "module error: trying to hide built-in module %s",
+ intf_ErrMsg( "module error: trying to hide built-in module `%s'",
p_module->psz_name );
return( -1 );
}
if( p_module->i_usage >= 1 )
{
- intf_ErrMsg( "module error: trying to hide module %s which is still"
+ intf_ErrMsg( "module error: trying to hide module `%s' which is still"
" in use", p_module->psz_name );
return( -1 );
}
if( p_module->i_usage <= -1 )
{
- intf_ErrMsg( "module error: trying to hide module %s which is already"
+ intf_ErrMsg( "module error: trying to hide module `%s' which is already"
" hidden", p_module->psz_name );
return( -1 );
}
{
if( p_module->i_usage != 0 )
{
- intf_ErrMsg( "module error: trying to free builtin module %s with"
+ intf_ErrMsg( "module error: trying to free builtin module `%s' with"
" usage %i", p_module->psz_name, p_module->i_usage );
return( -1 );
}
{
if( p_module->i_usage >= 1 )
{
- intf_ErrMsg( "module error: trying to free module %s which is"
+ intf_ErrMsg( "module error: trying to free module `%s' which is"
" still in use", p_module->psz_name );
return( -1 );
}
if( !p_symbol )
{
/* We couldn't load the symbol */
- intf_ErrMsg( "module error: cannot find %s in module %s (%s)",
+ intf_DbgMsg( "module warning: cannot find symbol %s in module %s (%s)",
psz_name, p_module->psz_filename, module_error() );
return( -1 );
}
{
/* With a well-written module we shouldn't have to print an
* additional error message here, but just make sure. */
- intf_ErrMsg( "module error: failed calling %s in module %s",
+ intf_ErrMsg( "module error: failed calling symbol %s in module %s",
psz_name, p_module->psz_filename );
return( -1 );
}