// session init
VOID StartSession(SOCKET s) {
/* associate the socket to completion port */
PAIO_DEV aiod = NewAioSocket(s);
if (aiod == NULL) return;
PSERVICE_CONTEXT ctx = NewCtx();
if (ctx == NULL) {
CloseAsync(aiod);
return;
}
// start the first command receive
if (!ReadAsync(aiod, ctx, sizeof(FSCloudRequestHeader), readCmdCallback, ctx)) {
_tprintf(_T("Error start receiving request\n"));
Abort(aiod, ctx);
}
}
DualErr
FatParser::Read(
PGPUInt8 *buf,
PGPUInt64 pos,
PGPUInt32 nBytes,
GenericCallbackInfo *upInfo)
{
DualErr derr;
pgpAssertAddrValid(buf, PGPUInt8);
if (upInfo)
ReadAsync(buf, pos, nBytes, upInfo);
else
derr = ReadSync(buf, pos, nBytes);
return derr;
}
// callback for process received command
static VOID readCmdCallback(PAIO_DEV aiodev, INT transferedBytes, LPVOID ctx) {
PSERVICE_CONTEXT sc = (PSERVICE_CONTEXT)ctx;
if (transferedBytes != sizeof(FSCloudRequestHeader)) {
Abort(aiodev, ctx);
return;
}
if (!dispatchOper(aiodev, sc)) {
printf("error processing command!\n");
Abort(aiodev, ctx);
return;
}
//start new read!
if (!ReadAsync(aiodev, ctx, sizeof(FSCloudRequestHeader), readCmdCallback, ctx)) {
_tprintf(_T("Error start receiving request\n"));
Abort(aiodev, ctx);
}
}
DualErr
PGPdisk::Read(
PGPUInt8 *buf,
PGPUInt64 pos,
PGPUInt32 nBytes,
GenericCallbackInfo *upInfo)
{
DualErr derr;
pgpAssertAddrValid(buf, PGPUInt8);
pgpAssert(Mounted());
DebugOut("PGPdisk: Reading PGPdisk %u at pos %u nBlocks %u", GetDrive(),
(PGPUInt32) (pos/kDefaultBlockSize),
(PGPUInt32) (nBytes/kDefaultBlockSize));
if (upInfo)
ReadAsync(buf, pos, nBytes, upInfo);
else
derr = ReadSync(buf, pos, nBytes);
return derr;
}