void AsyncFile::openReq(Request* request)
{
m_auto_sync_freq = 0;
m_write_wo_sync = 0;
m_open_flags = request->par.open.flags;
// for open.flags, see signal FSOPENREQ
#ifdef NDB_WIN32
DWORD dwCreationDisposition;
DWORD dwDesiredAccess = 0;
DWORD dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
DWORD dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS | FILE_FLAG_NO_BUFFERING;
Uint32 flags = request->par.open.flags;
// Convert file open flags from Solaris to Windows
if ((flags & FsOpenReq::OM_CREATE) && (flags & FsOpenReq::OM_TRUNCATE)){
dwCreationDisposition = CREATE_ALWAYS;
} else if (flags & FsOpenReq::OM_TRUNCATE){
dwCreationDisposition = TRUNCATE_EXISTING;
} else if (flags & FsOpenReq::OM_CREATE){
dwCreationDisposition = CREATE_NEW;
} else {
dwCreationDisposition = OPEN_EXISTING;
}
switch(flags & 3){
case FsOpenReq::OM_READONLY:
dwDesiredAccess = GENERIC_READ;
break;
case FsOpenReq::OM_WRITEONLY:
dwDesiredAccess = GENERIC_WRITE;
break;
case FsOpenReq::OM_READWRITE:
dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
break;
default:
request->error = 1000;
break;
return;
}
hFile = CreateFile(theFileName.c_str(), dwDesiredAccess, dwShareMode,
0, dwCreationDisposition, dwFlagsAndAttributes, 0);
if(INVALID_HANDLE_VALUE == hFile) {
request->error = GetLastError();
if(((ERROR_PATH_NOT_FOUND == request->error) || (ERROR_INVALID_NAME == request->error))
&& (flags & FsOpenReq::OM_CREATE)) {
createDirectories();
hFile = CreateFile(theFileName.c_str(), dwDesiredAccess, dwShareMode,
0, dwCreationDisposition, dwFlagsAndAttributes, 0);
if(INVALID_HANDLE_VALUE == hFile)
request->error = GetLastError();
else
request->error = 0;
return;
}
}
else {
request->error = 0;
return;
}
#else
Uint32 flags = request->par.open.flags;
int new_flags = 0;
// Convert file open flags from Solaris to Liux
if (flags & FsOpenReq::OM_CREATE)
{
new_flags |= O_CREAT;
}
if (flags & FsOpenReq::OM_TRUNCATE){
#if 0
if(Global_unlinkO_CREAT){
unlink(theFileName.c_str());
} else
#endif
new_flags |= O_TRUNC;
}
if (flags & FsOpenReq::OM_AUTOSYNC)
{
m_auto_sync_freq = request->par.open.auto_sync_size;
}
if (flags & FsOpenReq::OM_APPEND){
new_flags |= O_APPEND;
}
if (flags & FsOpenReq::OM_DIRECT)
#ifdef O_DIRECT
{
new_flags |= O_DIRECT;
}
#endif
if ((flags & FsOpenReq::OM_SYNC) && ! (flags & FsOpenReq::OM_INIT))
{
#ifdef O_SYNC
new_flags |= O_SYNC;
#endif
}
const char * rw = "";
switch(flags & 0x3){
case FsOpenReq::OM_READONLY:
rw = "r";
new_flags |= O_RDONLY;
break;
case FsOpenReq::OM_WRITEONLY:
rw = "w";
new_flags |= O_WRONLY;
break;
case FsOpenReq::OM_READWRITE:
rw = "rw";
new_flags |= O_RDWR;
break;
default:
request->error = 1000;
break;
return;
}
// allow for user to choose any permissionsa with umask
const int mode = S_IRUSR | S_IWUSR |
S_IRGRP | S_IWGRP |
S_IROTH | S_IWOTH;
if (flags & FsOpenReq::OM_CREATE_IF_NONE)
{
Uint32 tmp_flags = new_flags;
#ifdef O_DIRECT
tmp_flags &= ~O_DIRECT;
#endif
if ((theFd = ::open(theFileName.c_str(), tmp_flags, mode)) != -1)
{
close(theFd);
request->error = FsRef::fsErrFileExists;
return;
}
new_flags |= O_CREAT;
}
no_odirect:
if (-1 == (theFd = ::open(theFileName.c_str(), new_flags, mode)))
{
PRINT_ERRORANDFLAGS(new_flags);
if ((errno == ENOENT) && (new_flags & O_CREAT))
{
createDirectories();
if (-1 == (theFd = ::open(theFileName.c_str(), new_flags, mode)))
{
#ifdef O_DIRECT
if (new_flags & O_DIRECT)
{
new_flags &= ~O_DIRECT;
goto no_odirect;
}
#endif
PRINT_ERRORANDFLAGS(new_flags);
request->error = errno;
return;
}
}
#ifdef O_DIRECT
else if (new_flags & O_DIRECT)
{
new_flags &= ~O_DIRECT;
goto no_odirect;
}
#endif
else
{
request->error = errno;
return;
}
}
if (flags & FsOpenReq::OM_CHECK_SIZE)
{
struct stat buf;
if ((fstat(theFd, &buf) == -1))
{
request->error = errno;
}
else if((Uint64)buf.st_size != request->par.open.file_size)
{
request->error = FsRef::fsErrInvalidFileSize;
}
if (request->error)
return;
}
if (flags & FsOpenReq::OM_INIT)
{
off_t off = 0;
const off_t sz = request->par.open.file_size;
Uint32 tmp[sizeof(SignalHeader)+25];
Signal * signal = (Signal*)(&tmp[0]);
FsReadWriteReq* req = (FsReadWriteReq*)signal->getDataPtrSend();
Uint32 index = 0;
Uint32 block = refToBlock(request->theUserReference);
#ifdef HAVE_XFS_XFS_H
if(platform_test_xfs_fd(theFd))
{
ndbout_c("Using xfsctl(XFS_IOC_RESVSP64) to allocate disk space");
xfs_flock64_t fl;
fl.l_whence= 0;
fl.l_start= 0;
fl.l_len= (off64_t)sz;
if(xfsctl(NULL, theFd, XFS_IOC_RESVSP64, &fl) < 0)
ndbout_c("failed to optimally allocate disk space");
}
#endif
#ifdef HAVE_POSIX_FALLOCATE
posix_fallocate(theFd, 0, sz);
#endif
while(off < sz)
{
req->filePointer = 0; // DATA 0
req->userPointer = request->theUserPointer; // DATA 2
req->numberOfPages = 1; // DATA 5
req->varIndex = index++;
req->data.pageData[0] = m_page_ptr.i;
m_fs.EXECUTE_DIRECT(block, GSN_FSWRITEREQ, signal,
FsReadWriteReq::FixedLength + 1);
retry:
Uint32 size = request->par.open.page_size;
char* buf = (char*)m_page_ptr.p;
while(size > 0){
const int n = write(theFd, buf, size);
if(n == -1 && errno == EINTR)
{
continue;
}
if(n == -1 || n == 0)
{
break;
}
size -= n;
buf += n;
}
if(size != 0)
{
int err = errno;
#ifdef O_DIRECT
if ((new_flags & O_DIRECT) && off == 0)
{
ndbout_c("error on first write(%d), disable O_DIRECT", err);
new_flags &= ~O_DIRECT;
close(theFd);
theFd = ::open(theFileName.c_str(), new_flags, mode);
if (theFd != -1)
goto retry;
}
#endif
close(theFd);
unlink(theFileName.c_str());
request->error = err;
return;
}
off += request->par.open.page_size;
}
if(lseek(theFd, 0, SEEK_SET) != 0)
request->error = errno;
}
else if (flags & FsOpenReq::OM_DIRECT)
{
#ifdef O_DIRECT
if (flags & (FsOpenReq::OM_TRUNCATE | FsOpenReq::OM_CREATE))
{
request->error = check_odirect_write(flags, new_flags, mode);
}
else
{
request->error = check_odirect_read(flags, new_flags, mode);
}
if (request->error)
return;
#endif
}
#ifdef VM_TRACE
if (flags & FsOpenReq::OM_DIRECT)
{
#ifdef O_DIRECT
ndbout_c("%s %s O_DIRECT: %d",
theFileName.c_str(), rw,
!!(new_flags & O_DIRECT));
#else
ndbout_c("%s %s O_DIRECT: 0",
theFileName.c_str(), rw);
#endif
}
#endif
if ((flags & FsOpenReq::OM_SYNC) && (flags & FsOpenReq::OM_INIT))
{
#ifdef O_SYNC
/**
* reopen file with O_SYNC
*/
close(theFd);
new_flags &= ~(O_CREAT | O_TRUNC);
new_flags |= O_SYNC;
theFd = ::open(theFileName.c_str(), new_flags, mode);
if (theFd == -1)
{
request->error = errno;
}
#endif
}
#endif
}
void AsyncFile::openReq(Request* request)
{
m_openedWithSync = false;
m_syncFrequency = 0;
m_syncCount= 0;
// for open.flags, see signal FSOPENREQ
#ifdef NDB_WIN32
DWORD dwCreationDisposition;
DWORD dwDesiredAccess = 0;
DWORD dwShareMode = FILE_SHARE_READ | FILE_SHARE_WRITE;
DWORD dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS | FILE_FLAG_NO_BUFFERING;
const Uint32 flags = request->par.open.flags;
// Convert file open flags from Solaris to Windows
if ((flags & FsOpenReq::OM_CREATE) && (flags & FsOpenReq::OM_TRUNCATE)){
dwCreationDisposition = CREATE_ALWAYS;
} else if (flags & FsOpenReq::OM_TRUNCATE){
dwCreationDisposition = TRUNCATE_EXISTING;
} else if (flags & FsOpenReq::OM_CREATE){
dwCreationDisposition = CREATE_NEW;
} else {
dwCreationDisposition = OPEN_EXISTING;
}
switch(flags & 3){
case FsOpenReq::OM_READONLY:
dwDesiredAccess = GENERIC_READ;
break;
case FsOpenReq::OM_WRITEONLY:
dwDesiredAccess = GENERIC_WRITE;
break;
case FsOpenReq::OM_READWRITE:
dwDesiredAccess = GENERIC_READ | GENERIC_WRITE;
break;
default:
request->error = 1000;
break;
return;
}
hFile = CreateFile(theFileName.c_str(), dwDesiredAccess, dwShareMode,
0, dwCreationDisposition, dwFlagsAndAttributes, 0);
if(INVALID_HANDLE_VALUE == hFile) {
request->error = GetLastError();
if(((ERROR_PATH_NOT_FOUND == request->error) || (ERROR_INVALID_NAME == request->error))
&& (flags & FsOpenReq::OM_CREATE)) {
createDirectories();
hFile = CreateFile(theFileName.c_str(), dwDesiredAccess, dwShareMode,
0, dwCreationDisposition, dwFlagsAndAttributes, 0);
if(INVALID_HANDLE_VALUE == hFile)
request->error = GetLastError();
else
request->error = 0;
return;
}
}
else {
request->error = 0;
return;
}
#else
const Uint32 flags = request->par.open.flags;
Uint32 new_flags = 0;
// Convert file open flags from Solaris to Liux
if(flags & FsOpenReq::OM_CREATE){
new_flags |= O_CREAT;
}
if(flags & FsOpenReq::OM_TRUNCATE){
#if 0
if(Global_unlinkO_CREAT){
unlink(theFileName.c_str());
} else
#endif
new_flags |= O_TRUNC;
}
if(flags & FsOpenReq::OM_APPEND){
new_flags |= O_APPEND;
}
if(flags & FsOpenReq::OM_SYNC){
#if 0
if(Global_useO_SYNC){
new_flags |= O_SYNC;
m_openedWithSync = true;
m_syncFrequency = 0;
} else {
#endif
m_openedWithSync = false;
m_syncFrequency = Global_syncFreq;
#if 0
}
#endif
} else {
m_openedWithSync = false;
m_syncFrequency = 0;
}
#if 0
//#if NDB_LINUX
if(Global_useO_DIRECT){
new_flags |= O_DIRECT;
}
#endif
switch(flags & 0x3){
case FsOpenReq::OM_READONLY:
new_flags |= O_RDONLY;
break;
case FsOpenReq::OM_WRITEONLY:
new_flags |= O_WRONLY;
break;
case FsOpenReq::OM_READWRITE:
new_flags |= O_RDWR;
break;
default:
request->error = 1000;
break;
return;
}
const int mode = S_IRUSR | S_IWUSR | S_IRGRP;
if (-1 == (theFd = ::open(theFileName.c_str(), new_flags, mode))) {
PRINT_ERRORANDFLAGS(new_flags);
if( (errno == ENOENT ) && (new_flags & O_CREAT ) ) {
createDirectories();
if (-1 == (theFd = ::open(theFileName.c_str(), new_flags, mode))) {
PRINT_ERRORANDFLAGS(new_flags);
request->error = errno;
}
} else {
request->error = errno;
}
}
#endif
}