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Code Issues Releases Activity

Simple functions to deal with orphan titles...

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... No way to avoid them, I guess.
This commit is contained in:
Pablo Curiel 2020-07-30 18:37:45 -04:00
parent bb8cba1eaa
commit 3f837cef05
2 changed files with 65 additions and 7 deletions
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64
source/title.c
View file

@ -48,7 +48,7 @@ static NcmContentMetaDatabase g_ncmDbGameCard = {0}, g_ncmDbEmmcSystem = {0}, g_
static NcmContentStorage g_ncmStorageGameCard = {0}, g_ncmStorageEmmcSystem = {0}, g_ncmStorageEmmcUser = {0}, g_ncmStorageSdCard = {0};
static TitleInfo *g_titleInfo = NULL;
static u32 g_titleInfoCount = 0, g_titleInfoGameCardStartIndex = 0, g_titleInfoGameCardCount = 0;
static u32 g_titleInfoCount = 0, g_titleInfoGameCardStartIndex = 0, g_titleInfoGameCardCount = 0, g_titleInfoOrphanCount = 0;
static const char *g_titleNcmContentTypeNames[] = {
[NcmContentType_Meta] = "Meta",
@ -683,8 +683,7 @@ TitleApplicationMetadata **titleGetApplicationMetadataEntries(bool is_system, u3
tmp_app_metadata = NULL;
/* Set current pointer and increase counter. */
app_metadata[app_count] = &(g_appMetadata[i]);
app_count++;
app_metadata[app_count++] = &(g_appMetadata[i]);
}
if (app_metadata && app_count)
@ -758,6 +757,49 @@ end:
return success;
}
bool titleAreOrphanTitlesAvailable(void)
{
mutexLock(&g_titleMutex);
bool ret = (g_titleInfoOrphanCount > 0);
mutexUnlock(&g_titleMutex);
return ret;
}
TitleInfo **titleGetInfoFromOrphanTitles(u32 *out_count)
{
mutexLock(&g_titleMutex);
TitleInfo **orphan_info = NULL;
if (!g_titleInfo || !g_titleInfoCount || !g_titleInfoOrphanCount || !out_count)
{
LOGFILE("Invalid parameters!");
goto end;
}
/* Allocate orphan title info buffer. */
orphan_info = calloc(g_titleInfoOrphanCount, sizeof(TitleInfo*));
if (!orphan_info)
{
LOGFILE("Failed to allocate memory for orphan title info buffer!");
goto end;
}
/* Get pointers to orphan title info entries. */
for(u32 i = 0, j = 0; i < g_titleInfoCount && j < g_titleInfoOrphanCount; i++)
{
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]);
}
/* Update counter. */
*out_count = g_titleInfoOrphanCount;
end:
mutexUnlock(&g_titleMutex);
return orphan_info;
}
bool titleIsGameCardInfoUpdated(void)
{
mutexLock(&g_titleMutex);
@ -815,7 +857,7 @@ NX_INLINE void titleFreeTitleInfo(void)
g_titleInfo = NULL;
}
g_titleInfoCount = g_titleInfoGameCardStartIndex = g_titleInfoGameCardCount = 0;
g_titleInfoCount = g_titleInfoGameCardStartIndex = g_titleInfoGameCardCount = g_titleInfoOrphanCount = 0;
}
NX_INLINE TitleApplicationMetadata *titleFindApplicationMetadataByTitleId(u64 title_id)
@ -1264,7 +1306,7 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
cur_title_info->storage_id = storage_id;
memcpy(&(cur_title_info->dot_version), &(meta_keys[i].version), sizeof(u32));
memcpy(&(cur_title_info->meta_key), &(meta_keys[i]), sizeof(NcmContentMetaKey));
cur_title_info->app_metadata = titleFindApplicationMetadataByTitleId(meta_keys[i].id);
if (cur_title_info->meta_key.type <= NcmContentMetaType_Application) cur_title_info->app_metadata = titleFindApplicationMetadataByTitleId(meta_keys[i].id);
/* Retrieve content infos. */
if (titleGetContentInfosFromTitle(storage_id, &(meta_keys[i]), &(cur_title_info->content_infos), &(cur_title_info->content_count)))
@ -1286,6 +1328,7 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
g_titleInfoCount += total;
/* Fill patch / add-on content specific info. */
g_titleInfoOrphanCount = 0;
for(u32 i = 0; i < g_titleInfoCount; i++)
{
TitleInfo *child_info = &(g_titleInfo[i]);
@ -1306,9 +1349,16 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
}
}
/* Increase orphan title count if we couldn't find the parent user application. */
if (!child_info->parent)
{
g_titleInfoOrphanCount++;
continue;
}
/* Locate previous patch / add-on content entry. */
/* If it's found, we will update both its next pointer and the previous pointer from the current entry. */
/* We will also update its parent entry pointer if its NULL. */
/* We will also update its parent entry pointer. */
for(u32 j = i; j > 0; j--)
{
TitleInfo *previous_info = &(g_titleInfo[j - 1]);
@ -1316,7 +1366,7 @@ static bool titleRetrieveContentMetaKeysFromDatabase(u8 storage_id)
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) || \
(child_info->meta_key.type == NcmContentMetaType_AddOnContent && titleCheckIfAddOnContentIdsAreSiblings(previous_info->meta_key.id, child_info->meta_key.id))))
{
if (child_info->parent && !previous_info->parent) previous_info->parent = child_info->parent;
previous_info->parent = child_info->parent;
previous_info->next = child_info;
child_info->previous = previous_info;
break;

8
source/title.h
View file

@ -96,6 +96,14 @@ TitleInfo *titleGetInfoFromStorageByTitleId(u8 storage_id, u64 title_id);
/// Populates a TitleUserApplicationData element using an user application ID.
bool titleGetUserApplicationData(u64 app_id, TitleUserApplicationData *out);
/// Returns true if orphan titles are available.
/// Orphan titles are patches or add-on contents with no NsApplicationControlData available for its parent user application ID.
bool titleAreOrphanTitlesAvailable(void);
/// 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.
/// Returns NULL if an error occurs.
TitleInfo **titleGetInfoFromOrphanTitles(u32 *out_count);
/// 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).
/// If titleGetApplicationMetadataEntries() has been previously called, its returned buffer should be freed and a new titleGetApplicationMetadataEntries() call should be issued.
bool titleIsGameCardInfoUpdated(void);