status_t TEncoderAddonManager::LoadAddons(const char *addondDir)
{
fp_text_convert_t fp_text_convert;
image_id id;
BDirectory dir(addondDir);
BEntry entry;
// load encoders add-on
while (dir.GetNextEntry(&entry) == B_OK) {
BPath addonPath(&entry);
if ((id = load_add_on(addonPath.Path())) < 0) continue;
if (get_image_symbol(id, "fp_text_convert", B_SYMBOL_TYPE_TEXT, (void **)&fp_text_convert)) {
unload_add_on(id);
continue;
}
encoder_addon_t *addon = (encoder_addon_t *)malloc(sizeof(encoder_addon_t));
if (!addon) {
fprintf(stderr, "%s\n", strerror(ENOMEM));
unload_add_on(id);
return ENOMEM;
}
addon->id = id;
addon->fp_text_convert = fp_text_convert;
strncpy(addon->name, addonPath.Leaf(), sizeof(addon->name));
fEncoderAddonList.AddItem(addon);
fprintf(stderr, "load: %s\n", addon->name);
}
return B_OK;
}
void
CayaProtocolAddOn::_Init()
{
const char* (*signature)();
const char* (*friendly_signature)();
fStatus = B_OK;
if (get_image_symbol(fImage, "protocol", B_SYMBOL_TYPE_TEXT,
(void**)&fGetProtocol) != B_OK) {
unload_add_on(fImage);
fStatus = B_ERROR;
return;
}
if (get_image_symbol(fImage, "signature", B_SYMBOL_TYPE_TEXT,
(void**)&signature) != B_OK) {
unload_add_on(fImage);
fStatus = B_ERROR;
return;
}
if (get_image_symbol(fImage, "friendly_signature", B_SYMBOL_TYPE_TEXT,
(void**)&friendly_signature) != B_OK) {
unload_add_on(fImage);
fStatus = B_ERROR;
return;
}
fSignature = signature();
fFriendlySignature = friendly_signature();
}
PrinterDriverAddOn::~PrinterDriverAddOn()
{
if (IsLoaded()) {
unload_add_on(fAddOnID);
fAddOnID = -1;
}
}
bool
BTranslatorRoster::IsTranslator(entry_ref* ref)
{
if (ref == NULL)
return false;
BPath path(ref);
image_id image = load_add_on(path.Path());
if (image < B_OK)
return false;
// Function pointer used to create post R4.5 style translators
BTranslator* (*makeNthTranslator)(int32 n, image_id you, uint32 flags, ...);
status_t status = get_image_symbol(image, "make_nth_translator",
B_SYMBOL_TYPE_TEXT, (void**)&makeNthTranslator);
if (status < B_OK) {
// If this is a translator add-on, it is in the C format
translator_data translatorData;
status = fPrivate->GetTranslatorData(image, translatorData);
}
unload_add_on(image);
return status == B_OK;
}
void
PluginManager::PutPlugin(MediaPlugin* plugin)
{
TRACE("PluginManager::PutPlugin()\n");
fLocker.Lock();
plugin_info* pinfo;
for (fPluginList.Rewind(); fPluginList.GetNext(&pinfo); ) {
if (plugin == pinfo->plugin) {
pinfo->usecount--;
if (pinfo->usecount == 0) {
TRACE(" deleting %p\n", pinfo->plugin);
delete pinfo->plugin;
TRACE(" unloading add-on: %ld\n\n", pinfo->image);
unload_add_on(pinfo->image);
fPluginList.RemoveCurrent();
}
fLocker.Unlock();
return;
}
}
printf("PluginManager: Error, can't put PlugIn %p\n", plugin);
fLocker.Unlock();
}
static int beos_unload (DSO * dso)
{
image_id id;
if (dso == NULL)
{
DSOerr (DSO_F_BEOS_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
if (sk_num (dso->meth_data) < 1)
return (1);
id = (image_id) sk_pop (dso->meth_data);
if (id < 1)
{
DSOerr (DSO_F_BEOS_UNLOAD, DSO_R_NULL_HANDLE);
return (0);
}
if (unload_add_on (id) != B_OK)
{
DSOerr (DSO_F_BEOS_UNLOAD, DSO_R_UNLOAD_FAILED);
/* We should push the value back onto the stack in
* case of a retry. */
sk_push (dso->meth_data, (char *) id);
return (0);
}
return (1);
}
status_t
DecorManager::SetDecorator(BString path, Desktop* desktop)
{
status_t error = B_OK;
DecorAddOn* newDecor = _LoadDecor(path, error);
if (newDecor == NULL)
return error == B_OK ? B_ERROR : error;
DecorAddOn* oldDecor = fCurrentDecor;
BString oldPath = fCurrentDecorPath;
image_id oldImage = fCurrentDecor->ImageID();
fCurrentDecor = newDecor;
fCurrentDecorPath = path.String();
if (desktop->ReloadDecor()) {
// now safe to unload all old decorator data
// saves us from deleting oldDecor...
unload_add_on(oldImage);
_SaveSettingsToDisk();
return B_OK;
}
// TODO: unloading the newDecor and its image
// problem is we don't know how many windows failed... or why they failed...
syslog(LOG_WARNING,
"app_server:DecorManager:SetDecorator:\"%s\" *partly* failed\n",
fCurrentDecorPath.String());
fCurrentDecor = oldDecor;
fCurrentDecorPath = oldPath;
return B_ERROR;
}
bool BeHappy::CheckAddOn(const char *path,bool alert,BString *pName)
{
image_id addOnImage = load_add_on(path);
void *instFunc;
const char **projName;
const uint16 *BHVersion,*BHVLastCompatible;
bool ok = false;
BPath aoPath(path);
BString alTxt(aoPath.Leaf()); // chaîne utilisée pour générer des alertes d'erreur
if ((addOnImage>=0) &&
(get_image_symbol(addOnImage,"InstantiateProject",B_SYMBOL_TYPE_ANY,&instFunc) == B_OK) &&
(get_image_symbol(addOnImage,"projectName",B_SYMBOL_TYPE_ANY,(void**)&projName) == B_OK) &&
(get_image_symbol(addOnImage,"BHVersion",B_SYMBOL_TYPE_ANY,(void**)&BHVersion) == B_OK) &&
(get_image_symbol(addOnImage,"BHVLastCompatible",B_SYMBOL_TYPE_ANY,(void**)&BHVLastCompatible) == B_OK))
{
if ((*BHVLastCompatible) > bhv_application)
{
if (alert)
{
alTxt << " " << T("isn't compatible with this (old) version of BeHappy. Please download a more recent version of BeHappy.");
BAlert *myAlert = new BAlert("BeHappy",alTxt.String(),"OK",
NULL,NULL,B_WIDTH_AS_USUAL,B_WARNING_ALERT);
myAlert->Go();
}
}
else if ((*BHVersion) < bhv_last_addon)
{
if (alert)
{
alTxt << " " << T("is too old, and isn't compatible with this version of BeHappy. Please find a more recent version of the add-on.");
BAlert *myAlert = new BAlert("BeHappy",alTxt.String(),"OK",
NULL,NULL,B_WIDTH_AS_USUAL,B_WARNING_ALERT);
myAlert->Go();
}
}
else
{
ok = true;
if (pName != NULL)
*pName=*projName;
}
}
else
{
if (alert)
{
alTxt << " " << T("is an invalid BeHappy add-on.");
BAlert *myAlert = new BAlert("BeHappy",alTxt.String(),"OK",
NULL,NULL,B_WIDTH_AS_USUAL,B_WARNING_ALERT);
myAlert->Go();
}
}
if (addOnImage>=0)
unload_add_on(addOnImage);
return ok;
}
static int beos_load (DSO * dso)
{
image_id id;
/* See applicable comments from dso_dl.c */
char *filename = DSO_convert_filename (dso, NULL);
if (filename == NULL)
{
DSOerr (DSO_F_BEOS_LOAD, DSO_R_NO_FILENAME);
goto err;
}
id = load_add_on (filename);
if (id < 1)
{
DSOerr (DSO_F_BEOS_LOAD, DSO_R_LOAD_FAILED);
ERR_add_error_data (3, "filename(", filename, ")");
goto err;
}
if (!sk_push (dso->meth_data, (char *) id))
{
DSOerr (DSO_F_BEOS_LOAD, DSO_R_STACK_ERROR);
goto err;
}
/* Success */
dso->loaded_filename = filename;
return (1);
err:
/* Cleanup ! */
if (filename != NULL)
OPENSSL_free (filename);
if (id > 0)
unload_add_on (id);
return (0);
}
// Unload
void
AddOnImage::Unload()
{
if (fID >= 0) {
unload_add_on(fID);
fID = -1;
}
}
void ArpAddonManager::BasicAddon::Close(void)
{
if( --ref_count <= 0 ) {
if( image >= 0 ) unload_add_on(image);
image = B_ERROR;
ref_count = 0;
}
}
/*
=================
Sys_UnloadDll
=================
*/
void Sys_UnloadDll(void *dllHandle) {
// bk001206 - verbose error reporting
if (!dllHandle) {
Com_Printf("Sys_UnloadDll(NULL)\n");
return;
}
unload_add_on((long int)dllHandle);
}
int
main(int argc, char **argv)
{
// Parse command line arguments
bool ignorePunctuation = false;
char *addon = NULL;
BCollator *collator = NULL;
while ((++argv)[0]) {
if (argv[0][0] == '-') {
if (!strcmp(argv[0], "-i"))
ignorePunctuation = true;
else if (!strcmp(argv[0], "--help"))
usage();
} else {
// this will be the add-on to be loaded
addon = argv[0];
}
}
// load the collator add-on if necessary
if (addon != NULL) {
image_id image = load_add_on(addon);
if (image < B_OK)
fprintf(stderr, "could not load add-on at \"%s\": %s.\n", addon, strerror(image));
BCollatorAddOn *(*instantiate)(void);
if (get_image_symbol(image, "instantiate_collator",
B_SYMBOL_TYPE_TEXT, (void **)&instantiate) == B_OK) {
BCollatorAddOn *collatorAddOn = instantiate();
if (collatorAddOn != NULL)
collator = new BCollator(collatorAddOn, B_COLLATE_PRIMARY, true);
} else if (image >= B_OK) {
fprintf(stderr, "could not find instantiate_collator() function in add-on!\n");
unload_add_on(image);
}
}
if (collator == NULL) {
collator = be_locale->Collator();
addon = (char*)"default";
}
// test key creation speed
collator->SetIgnorePunctuation(ignorePunctuation);
printf("%s:\n", addon);
test(collator, "primary: ", B_COLLATE_PRIMARY);
test(collator, "secondary: ", B_COLLATE_SECONDARY);
test(collator, "tertiary: ", B_COLLATE_TERTIARY);
test(collator, "quaternary:", B_COLLATE_QUATERNARY);
test(collator, "identical: ", B_COLLATE_IDENTICAL);
return 0;
}
ServerSettingsView::~ServerSettingsView()
{
// Remove manually, as their code may be located in an add-on
RemoveChild(fInboundAuthMenu);
RemoveChild(fInboundEncryptionMenu);
delete fInboundAuthMenu;
delete fInboundEncryptionMenu;
unload_add_on(fImageID);
}
/*------------------------------------------------------------------------------*\
UnloadAddons()
- unloads all loaded filter-addons
\*------------------------------------------------------------------------------*/
void BmFilterList::UnloadAddons() {
mLearnAsSpamFilter = NULL;
mLearnAsTofuFilter = NULL;
BmFilterAddonMap::const_iterator iter;
for( iter = FilterAddonMap.begin(); iter != FilterAddonMap.end(); ++iter) {
unload_add_on( iter->second.image);
}
FilterAddonMap.clear();
}
void
SDL_UnloadObject(void *handle)
{
image_id library_id;
if (handle != NULL) {
library_id = (image_id) handle;
unload_add_on(library_id);
}
}
void TEncoderAddonManager::UnloadAddons()
{
for(int32 i = 0; i < fEncoderAddonList.CountItems(); i++) {
encoder_addon_t *addon = (encoder_addon_t *)fEncoderAddonList.ItemAt(i);
fprintf(stderr, "unload: %s\n", addon->name);
unload_add_on(addon->id);
free(addon);
}
fCurrentFunc = NULL;
}
/* Whack an item; the item is an image_id in disguise, so we'll call
* unload_add_on() for it.
*/
static void beos_nuke_dyn( PyObject *item )
{
status_t retval;
if( item ) {
image_id id = (image_id)PyInt_AsLong( item );
retval = unload_add_on( id );
}
}
void
DormantNodeManager::_UnloadAddOn(BMediaAddOn* addOn, image_id image)
{
ASSERT(addOn != NULL);
ASSERT(addOn->ImageID() == image);
// if this fails, something bad happened to the add-on
delete addOn;
unload_add_on(image);
}
status_t
DormantNodeManager::_LoadAddOn(const char* path, media_addon_id id,
BMediaAddOn** _newAddOn, image_id* _newImage)
{
image_id image = load_add_on(path);
if (image < 0) {
ERROR("DormantNodeManager::LoadAddon: loading \"%s\" failed: %s\n",
path, strerror(image));
return image;
}
BMediaAddOn* (*makeAddOn)(image_id);
status_t status = get_image_symbol(image, "make_media_addon",
B_SYMBOL_TYPE_TEXT, (void**)&makeAddOn);
if (status != B_OK) {
ERROR("DormantNodeManager::LoadAddon: loading failed, function not "
"found: %s\n", strerror(status));
unload_add_on(image);
return status;
}
BMediaAddOn* addOn = makeAddOn(image);
if (addOn == NULL) {
ERROR("DormantNodeManager::LoadAddon: creating BMediaAddOn failed\n");
unload_add_on(image);
return B_ERROR;
}
ASSERT(addOn->ImageID() == image);
// this should be true for a well behaving add-ons
// We are a friend class of BMediaAddOn and initialize these member
// variables
addOn->fAddon = id;
addOn->fImage = image;
// everything ok
*_newAddOn = addOn;
*_newImage = image;
return B_OK;
}
void
CatalogAddOnInfo::UnloadIfPossible()
{
if (!fIsEmbedded && fLoadedCatalogs.IsEmpty()) {
unload_add_on(fAddOnImage);
fAddOnImage = B_NO_INIT;
fInstantiateFunc = NULL;
fCreateFunc = NULL;
fLanguagesFunc = NULL;
}
}
void
ScreenSaverRunner::_CleanUp()
{
delete fSaver;
fSaver = NULL;
if (fAddonImage >= 0) {
unload_add_on(fAddonImage);
fAddonImage = -1;
}
}
static SDL_INLINE void *get_sdlapi_entry(const char *fname, const char *sym)
{
image_id lib = load_add_on(fname);
void *retval = NULL;
if (lib >= 0) {
if (get_image_symbol(lib, sym, B_SYMBOL_TYPE_TEXT, &retval) != B_NO_ERROR) {
unload_add_on(lib);
retval = NULL;
}
}
return retval;
}
PluginManager::~PluginManager()
{
CALLED();
for (int i = fPluginList.CountItems() - 1; i >= 0; i--) {
plugin_info* info = NULL;
fPluginList.Get(i, &info);
TRACE("PluginManager: Error, unloading PlugIn %s with usecount "
"%d\n", info->name, info->usecount);
delete info->plugin;
unload_add_on(info->image);
}
}
//------------------------------------------------------------------------------
void TInstantiateObjectTester::UnloadAddon()
{
if (fAddonId > 0)
{
status_t err = unload_add_on(fAddonId);
fAddonId = B_ERROR;
if (err)
{
FORMAT_AND_THROW(" failed to unload addon: ", err);
}
}
}
static int
xmlModulePlatformClose(void *handle)
{
status_t rc;
rc = unload_add_on((image_id) handle);
if (rc == B_OK)
return 0;
else
return -1;
}
PrintTransport::~PrintTransport()
{
if (fExitProc) {
(*fExitProc)();
fExitProc = NULL;
}
if (fAddOnID >= 0) {
unload_add_on(fAddOnID);
fAddOnID = -1;
}
}
void
IndexServer::RegisterAddOn(entry_ref ref)
{
STRACE("RegisterAddOn %s\n", ref.name);
BPath path(&ref);
image_id image = load_add_on(path.Path());
if (image < 0)
return;
create_index_server_addon* createFunc;
// Get the instantiation function
status_t status = get_image_symbol(image, "instantiate_index_server_addon",
B_SYMBOL_TYPE_TEXT, (void**)&createFunc);
if (status != B_OK) {
unload_add_on(image);
return;
}
IndexServerAddOn* addon = createFunc(image, ref.name);
if (!addon) {
unload_add_on(image);
return;
}
if (!fAddOnList.AddItem(addon)) {
unload_add_on(image);
return;
}
for (int i = 0; i < fVolumeWatcherList.CountItems(); i++) {
VolumeWatcher* watcher = fVolumeWatcherList.ItemAt(i);
FileAnalyser* analyser = _SetupFileAnalyser(addon, watcher->Volume());
if (!analyser)
continue;
if (!watcher->AddAnalyser(analyser))
delete analyser;
}
}
DecorAddOn*
DecorManager::_LoadDecor(BString _path, status_t& error )
{
if (_path == "Default") {
error = B_OK;
return &fDefaultDecor;
}
BEntry entry(_path.String(), true);
if (!entry.Exists()) {
error = B_ENTRY_NOT_FOUND;
return NULL;
}
BPath path(&entry);
image_id image = load_add_on(path.Path());
if (image < 0) {
error = B_BAD_IMAGE_ID;
return NULL;
}
create_decor_addon* createFunc;
if (get_image_symbol(image, "instantiate_decor_addon", B_SYMBOL_TYPE_TEXT,
(void**)&createFunc) != B_OK) {
unload_add_on(image);
error = B_MISSING_SYMBOL;
return NULL;
}
char name[B_FILE_NAME_LENGTH];
entry.GetName(name);
DecorAddOn* newDecor = createFunc(image, name);
if (newDecor == NULL || newDecor->InitCheck() != B_OK) {
unload_add_on(image);
error = B_ERROR;
return NULL;
}
return newDecor;
}
status_t
PluginManager::_LoadPlugin(const entry_ref& ref, MediaPlugin** plugin,
image_id* image)
{
BPath p(&ref);
TRACE("PluginManager: _LoadPlugin trying to load %s\n", p.Path());
image_id id;
id = load_add_on(p.Path());
if (id < 0) {
printf("PluginManager: Error, load_add_on(): %s\n", strerror(id));
return B_ERROR;
}
MediaPlugin* (*instantiate_plugin_func)();
if (get_image_symbol(id, "instantiate_plugin", B_SYMBOL_TYPE_TEXT,
(void**)&instantiate_plugin_func) < B_OK) {
printf("PluginManager: Error, _LoadPlugin can't find "
"instantiate_plugin in %s\n", p.Path());
unload_add_on(id);
return B_ERROR;
}
MediaPlugin *pl;
pl = (*instantiate_plugin_func)();
if (pl == NULL) {
printf("PluginManager: Error, _LoadPlugin instantiate_plugin in %s "
"returned NULL\n", p.Path());
unload_add_on(id);
return B_ERROR;
}
*plugin = pl;
*image = id;
return B_OK;
}
