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fs.mitm: Cache IStorageInterfaces, store meta on SD instead of memory.

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This commit is contained in:
Michael Scire 2018-11-04 13:56:07 -08:00
parent 5d0aabaa44
commit 78a47dba6d
7 changed files with 176 additions and 39 deletions
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41
stratosphere/fs_mitm/source/fsmitm_utils.cpp
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@ -223,6 +223,47 @@ bool Utils::HasSdRomfsContent(u64 title_id) {
return R_SUCCEEDED(fsDirRead(&dir, 0, &read_entries, 1, &dir_entry)) && read_entries == 1;
}
Result Utils::SaveSdFileForAtmosphere(u64 title_id, const char *fn, void *data, size_t size) {
if (!IsSdInitialized()) {
return 0xFA202;
}
Result rc = 0;
char path[FS_MAX_PATH];
if (*fn == '/') {
snprintf(path, sizeof(path), "/atmosphere/titles/%016lx%s", title_id, fn);
} else {
snprintf(path, sizeof(path), "/atmosphere/titles/%016lx/%s", title_id, fn);
}
/* Unconditionally create. */
FsFile f;
fsFsCreateFile(&g_sd_filesystem, path, size, 0);
/* Try to open. */
rc = fsFsOpenFile(&g_sd_filesystem, path, FS_OPEN_READ | FS_OPEN_WRITE, &f);
if (R_FAILED(rc)) {
return rc;
}
/* Always close, if we opened. */
ON_SCOPE_EXIT {
fsFileClose(&f);
};
/* Try to make it big enough. */
rc = fsFileSetSize(&f, size);
if (R_FAILED(rc)) {
return rc;
}
/* Try to write the data. */
rc = fsFileWrite(&f, 0, data, size);
return rc;
}
bool Utils::HasSdMitMFlag(u64 tid) {
if (IsSdInitialized()) {
return std::find(g_mitm_flagged_tids.begin(), g_mitm_flagged_tids.end(), tid) != g_mitm_flagged_tids.end();