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Simple functions to deal with orphan titles...
... No way to avoid them, I guess.
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commit
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2 changed files with 65 additions and 7 deletions
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@ -48,7 +48,7 @@ static NcmContentMetaDatabase g_ncmDbGameCard = {0}, g_ncmDbEmmcSystem = {0}, g_
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static NcmContentStorage g_ncmStorageGameCard = {0}, g_ncmStorageEmmcSystem = {0}, g_ncmStorageEmmcUser = {0}, g_ncmStorageSdCard = {0};
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static TitleInfo *g_titleInfo = NULL;
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static u32 g_titleInfoCount = 0, g_titleInfoGameCardStartIndex = 0, g_titleInfoGameCardCount = 0;
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static u32 g_titleInfoCount = 0, g_titleInfoGameCardStartIndex = 0, g_titleInfoGameCardCount = 0, g_titleInfoOrphanCount = 0;
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static const char *g_titleNcmContentTypeNames[] = {
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[NcmContentType_Meta] = "Meta",
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@ -683,8 +683,7 @@ TitleApplicationMetadata **titleGetApplicationMetadataEntries(bool is_system, u3
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tmp_app_metadata = NULL;
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/* Set current pointer and increase counter. */
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app_metadata[app_count] = &(g_appMetadata[i]);
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app_count++;
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app_metadata[app_count++] = &(g_appMetadata[i]);
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}
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if (app_metadata && app_count)
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@ -758,6 +757,49 @@ end:
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return success;
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}
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bool titleAreOrphanTitlesAvailable(void)
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{
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mutexLock(&g_titleMutex);
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bool ret = (g_titleInfoOrphanCount > 0);
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mutexUnlock(&g_titleMutex);
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return ret;
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}
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TitleInfo **titleGetInfoFromOrphanTitles(u32 *out_count)
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{
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mutexLock(&g_titleMutex);
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TitleInfo **orphan_info = NULL;
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if (!g_titleInfo || !g_titleInfoCount || !g_titleInfoOrphanCount || !out_count)
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{
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LOGFILE("Invalid parameters!");
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goto end;
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}
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/* Allocate orphan title info buffer. */
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orphan_info = calloc(g_titleInfoOrphanCount, sizeof(TitleInfo*));
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if (!orphan_info)
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{
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LOGFILE("Failed to allocate memory for orphan title info buffer!");
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goto end;
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}
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/* Get pointers to orphan title info entries. */
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for(u32 i = 0, j = 0; i < g_titleInfoCount && j < g_titleInfoOrphanCount; i++)
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{
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if ((g_titleInfo[i].meta_key.type == NcmContentMetaType_Patch || g_titleInfo[i].meta_key.type == NcmContentMetaType_AddOnContent) && !g_titleInfo[i].parent) orphan_info[j++] = &(g_titleInfo[i]);
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}
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/* Update counter. */
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*out_count = g_titleInfoOrphanCount;
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end:
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mutexUnlock(&g_titleMutex);
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return orphan_info;
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}
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bool titleIsGameCardInfoUpdated(void)
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{
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mutexLock(&g_titleMutex);
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@ -815,7 +857,7 @@ NX_INLINE void titleFreeTitleInfo(void)
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g_titleInfo = NULL;
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}
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g_titleInfoCount = g_titleInfoGameCardStartIndex = g_titleInfoGameCardCount = 0;
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g_titleInfoCount = g_titleInfoGameCardStartIndex = g_titleInfoGameCardCount = g_titleInfoOrphanCount = 0;
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}
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NX_INLINE TitleApplicationMetadata *titleFindApplicationMetadataByTitleId(u64 title_id)
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@ -1264,7 +1306,7 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
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cur_title_info->storage_id = storage_id;
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memcpy(&(cur_title_info->dot_version), &(meta_keys[i].version), sizeof(u32));
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memcpy(&(cur_title_info->meta_key), &(meta_keys[i]), sizeof(NcmContentMetaKey));
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cur_title_info->app_metadata = titleFindApplicationMetadataByTitleId(meta_keys[i].id);
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if (cur_title_info->meta_key.type <= NcmContentMetaType_Application) cur_title_info->app_metadata = titleFindApplicationMetadataByTitleId(meta_keys[i].id);
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/* Retrieve content infos. */
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if (titleGetContentInfosFromTitle(storage_id, &(meta_keys[i]), &(cur_title_info->content_infos), &(cur_title_info->content_count)))
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@ -1286,6 +1328,7 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
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g_titleInfoCount += total;
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/* Fill patch / add-on content specific info. */
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g_titleInfoOrphanCount = 0;
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for(u32 i = 0; i < g_titleInfoCount; i++)
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{
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TitleInfo *child_info = &(g_titleInfo[i]);
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@ -1306,9 +1349,16 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
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}
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}
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/* Increase orphan title count if we couldn't find the parent user application. */
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if (!child_info->parent)
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{
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g_titleInfoOrphanCount++;
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continue;
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}
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/* Locate previous patch / add-on content entry. */
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/* If it's found, we will update both its next pointer and the previous pointer from the current entry. */
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/* We will also update its parent entry pointer if its NULL. */
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/* We will also update its parent entry pointer. */
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for(u32 j = i; j > 0; j--)
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{
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TitleInfo *previous_info = &(g_titleInfo[j - 1]);
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@ -1316,7 +1366,7 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
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if (previous_info->meta_key.type == child_info->meta_key.type && ((child_info->meta_key.type == NcmContentMetaType_Patch && previous_info->meta_key.id == child_info->meta_key.id) || \
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(child_info->meta_key.type == NcmContentMetaType_AddOnContent && titleCheckIfAddOnContentIdsAreSiblings(previous_info->meta_key.id, child_info->meta_key.id))))
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{
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if (child_info->parent && !previous_info->parent) previous_info->parent = child_info->parent;
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previous_info->parent = child_info->parent;
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previous_info->next = child_info;
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child_info->previous = previous_info;
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break;
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@ -96,6 +96,14 @@ TitleInfo *titleGetInfoFromStorageByTitleId(u8 storage_id, u64 title_id);
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/// Populates a TitleUserApplicationData element using an user application ID.
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bool titleGetUserApplicationData(u64 app_id, TitleUserApplicationData *out);
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/// Returns true if orphan titles are available.
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/// Orphan titles are patches or add-on contents with no NsApplicationControlData available for its parent user application ID.
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bool titleAreOrphanTitlesAvailable(void);
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/// Returns a pointer to a dynamically allocated buffer of pointers to TitleInfo entries from orphan titles, as well as their count. The allocated buffer must be freed by the calling function.
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/// Returns NULL if an error occurs.
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TitleInfo **titleGetInfoFromOrphanTitles(u32 *out_count);
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/// Returns true if the gamecard title info entries have been updated (e.g. after a new gamecard has been inserted, of after the current one has been taken out).
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/// If titleGetApplicationMetadataEntries() has been previously called, its returned buffer should be freed and a new titleGetApplicationMetadataEntries() call should be issued.
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bool titleIsGameCardInfoUpdated(void);
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