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#include "NandFileStream.h"
#include "../db/assert.h"
namespace nw4hbm {
namespace ut {
NW4HBM_UT_GET_DERIVED_RUNTIME_TYPEINFO(NandFileStream, FileStream);
void NandFileStream::NandAsyncCallback_(s32 result, NANDCommandBlock* commandBlock) {
NW4HBM_ASSERT_CHECK_NULL(44, commandBlock);
NandFileStream* p = reinterpret_cast<NandFileStreamInfo*>(commandBlock)->stream;
p->mIsBusy = false;
p->mAsyncResult = result;
if (p->mCallback != NULL) {
p->mCallback(result, p, p->mArg);
}
}
void NandFileStream::Initialize_() {
mCanRead = false;
mCanWrite = false;
mCloseOnDestroyFlg = false;
mCloseEnableFlg = false;
mAvailable = false;
mIsBusy = false;
mCallback = NULL;
mArg = NULL;
mAsyncResult = NAND_RESULT_OK;
mFileInfo.stream = this;
}
NandFileStream::NandFileStream(const char* path, u32 mode) {
NW4HBM_ASSERT_CHECK_NULL(113, path);
Initialize_();
Open(path, mode);
}
NandFileStream::NandFileStream(const NANDFileInfo* pInfo, u32 mode, bool enableClose) {
Initialize_();
Open(pInfo, mode, enableClose);
}
NandFileStream::~NandFileStream() {
if (mCloseOnDestroyFlg) {
Close();
}
}
bool NandFileStream::Open(const char* path, u32 mode) {
NW4HBM_ASSERT_CHECK_NULL(173, path);
if (mCloseOnDestroyFlg) {
Close();
}
mCanRead = mode & NAND_ACCESS_READ;
mCanWrite = mode & NAND_ACCESS_WRITE;
if (NANDOpen(path, &mFileInfo.nandInfo, mode) != NAND_RESULT_OK) {
return false;
}
if (mCanRead) {
u32 fileSize;
if (NANDGetLength(&mFileInfo.nandInfo, &fileSize) != NAND_RESULT_OK) {
NANDClose(&mFileInfo.nandInfo);
return false;
}
mFilePosition.SetFileSize(fileSize);
}
mFilePosition.Seek(0, SEEK_BEG);
mCloseOnDestroyFlg = true;
mCloseEnableFlg = true;
mAvailable = true;
return true;
}
bool NandFileStream::Open(const NANDFileInfo* pInfo, u32 mode, bool enableClose) {
if (mCloseOnDestroyFlg) {
Close();
}
mCanRead = mode & NAND_ACCESS_READ;
mCanWrite = mode & NAND_ACCESS_WRITE;
mFileInfo.nandInfo = *pInfo;
u32 fileSize;
if (NANDGetLength(&mFileInfo.nandInfo, &fileSize) != NAND_RESULT_OK) {
if (enableClose) {
NANDClose(&mFileInfo.nandInfo);
}
return false;
}
mFilePosition.SetFileSize(fileSize);
mFilePosition.Seek(0, SEEK_BEG);
mCloseOnDestroyFlg = false;
mCloseEnableFlg = enableClose;
mAvailable = true;
return true;
}
void NandFileStream::Close() {
if (mCloseEnableFlg && mAvailable) {
NW4R_DB_ASSERTMSG(264, NANDClose(&mFileInfo.nandInfo) == NAND_RESULT_OK,
"Can't Close NAND File. It still has been used\n");
mAvailable = false;
}
}
s32 NandFileStream::Read(void* buf, u32 length) {
NW4HBM_ASSERT_ALIGN32(284, buf);
NW4HBM_ASSERT_ALIGN32(285, length);
NW4R_DB_ASSERTMSG(286, this->IsAvailable() != 0, "NandFileStream is not opened");
NANDSeek(&mFileInfo.nandInfo, mFilePosition.Tell(), NAND_SEEK_BEG);
s32 result = NANDRead(&mFileInfo.nandInfo, buf, length);
mFilePosition.Skip(result);
return result;
}
bool NandFileStream::ReadAsync(void* buf, u32 length, IOStreamCallback pCallback,
void* pCallbackArg) {
NW4HBM_ASSERT_ALIGNED(313, buf, 32);
NW4HBM_ASSERT_ALIGNED(314, length, 32);
NW4R_DB_ASSERTMSG(315, this->IsAvailable() != 0, "NandFileStream is not opened");
return ReadAsyncImpl(buf, length, pCallback, pCallbackArg);
}
// fake? ReadAsync requires inlines
void NandFileStream::ReadAsyncSetArgs(IOStreamCallback pCallback, void* pCallbackArg) {
mCallback = pCallback;
mArg = pCallbackArg;
mIsBusy = true;
}
// fake? ReadAsync requires inlines
bool NandFileStream::ReadAsyncImpl(void* buf, u32 length, IOStreamCallback pCallback,
void* pCallbackArg) {
NW4HBM_ASSERT_ALIGN32(370, buf);
NW4HBM_ASSERT_ALIGN32(371, length);
NW4R_DB_ASSERTMSG(372, this->IsAvailable() != 0, "NandFileStream is not opened");
ReadAsyncSetArgs(pCallback, pCallbackArg);
NANDSeek(&mFileInfo.nandInfo, mFilePosition.Tell(), NAND_SEEK_BEG);
bool success = NANDReadAsync(&mFileInfo.nandInfo, buf, length, NandAsyncCallback_,
&mFileInfo.nandBlock) == NAND_RESULT_OK;
if (success) {
mFilePosition.Skip(length);
} else {
mIsBusy = false;
}
return success;
}
void NandFileStream::Write(const void* buf, u32 length) {
NW4HBM_ASSERT_ALIGN32(396, buf);
NW4HBM_ASSERT_ALIGN32(397, length);
NW4R_DB_ASSERTMSG(398, this->IsAvailable() != 0, "NandFileStream is not opened");
NANDSeek(&mFileInfo.nandInfo, mFilePosition.Tell(), NAND_SEEK_BEG);
s32 result = NANDWrite(&mFileInfo.nandInfo, buf, length);
//! @bug: Error code will be interpreted as a negative size
mFilePosition.Append(result);
}
bool NandFileStream::WriteAsync(const void* buf, u32 length, IOStreamCallback pCallback,
void* pCallbackArg) {
NW4HBM_ASSERT_ALIGN32(423, buf);
NW4HBM_ASSERT_ALIGN32(424, length);
NW4R_DB_ASSERTMSG(425, this->IsAvailable() != 0, "NandFileStream is not opened");
mCallback = pCallback;
mArg = pCallbackArg;
mIsBusy = true;
NANDSeek(&mFileInfo.nandInfo, mFilePosition.Tell(), NAND_SEEK_BEG);
s32 result = NANDWriteAsync(&mFileInfo.nandInfo, buf, length, NandAsyncCallback_,
&mFileInfo.nandBlock);
if (result == NAND_RESULT_OK) {
mFilePosition.Append(length);
} else {
mIsBusy = false;
}
return result == NAND_RESULT_OK;
}
void NandFileStream::Seek(s32 offset, u32 origin) {
NW4R_DB_ASSERTMSG(462, this->IsAvailable() != 0, "NandFileStream is not opened");
mFilePosition.Seek(offset, origin);
}
} // namespace ut
} // namespace nw4hbm
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