static void c_aio_handler(int err, IntPtr size, IntPtr h)
{
int idx2 = (int)h;
var hr = GlobalInterOpLookupTable.GetRelease(idx2) as AioHandler;
hr(new ErrorCode(err), size.ToInt32());
}
// TODO: what if the task is cancelled
static void c_task_handler(IntPtr h)
{
int idx2 = (int)h;
var hr = GlobalInterOpLookupTable.GetRelease(idx2) as task_handler;
hr();
}
//
// this gives you the task handle so you can wait or cancel
// the task, with the cost of add/ref the task handle
//
public static SafeTaskHandle CallAsync2(
TaskCode evt,
Servicelet callbackOwner,
task_handler callback,
int hash = 0,
int delay_milliseconds = 0,
int timer_interval_milliseconds = 0
)
{
int idx = GlobalInterOpLookupTable.Put(callback);
IntPtr task;
if (timer_interval_milliseconds == 0)
{
task = Native.dsn_task_create(evt, _c_task_handler_holder, (IntPtr)idx, hash);
}
else
{
task = Native.dsn_task_create_timer(evt, _c_task_handler_holder, (IntPtr)idx, hash, timer_interval_milliseconds);
}
var ret = new SafeTaskHandle(task);
Native.dsn_task_call(task, callbackOwner != null ? callbackOwner.tracker() : IntPtr.Zero, delay_milliseconds);
return(ret);
}
//
// this gives you the task handle so you can wait or cancel
// the task, with the cost of add/ref the task handle
//
public static SafeTaskHandle RpcCallAsync2(
RpcAddress server,
RpcWriteStream requestStream,
Clientlet callbackOwner,
RpcResponseHandler callback,
int replyHash = 0
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var idx = GlobalInterOpLookupTable.Put(callback);
var task = Native.dsn_rpc_create_response_task(
requestStream.DangerousGetHandle(),
_c_rpc_response_handler_holder,
(IntPtr)idx,
replyHash,
callbackOwner?.tracker() ?? IntPtr.Zero
);
var ret = new SafeTaskHandle(task, idx);
Native.dsn_rpc_call(server.addr, task);
return(ret);
}
static void c_timer_task_handler(IntPtr h)
{
var idx2 = (int)h;
var hr = GlobalInterOpLookupTable.Get(idx2) as task_handler;
hr();
}
public bool Cancel(bool waitFinished, out bool finished)
{
if (Native.dsn_task_cancel2(handle, waitFinished, out finished))
{
GlobalInterOpLookupTable.GetRelease(_callback_index);
return(true);
}
return(false);
}
public static void CallAsync(
TaskCode evt,
Clientlet callbackOwner,
task_handler callback,
int hash = 0,
int delay_milliseconds = 0
)
{
var idx = GlobalInterOpLookupTable.Put(callback);
var task = Native.dsn_task_create(evt, _c_task_handler_holder, (IntPtr)idx, hash, callbackOwner?.tracker() ?? IntPtr.Zero);
Native.dsn_task_call(task, delay_milliseconds);
}
static void c_rpc_response_handler(int err, IntPtr reqc, IntPtr respc, IntPtr h)
{
int idx2 = (int)h;
var hr = GlobalInterOpLookupTable.GetRelease(idx2) as RpcResponseHandler;
if (err == 0)
{
var rms = new RpcReadStream(respc, false);
hr(new ErrorCode(err), rms);
}
else
{
hr(new ErrorCode(err), null);
}
}
public static dsn_task_t CopyRemoteDirectory(
dsn_address_t remote,
string source_dir,
string dest_dir,
bool overwrite,
TaskCode callbackCode,
Servicelet callbackOwner,
AioHandler callback,
int hash = 0
)
{
int idx = GlobalInterOpLookupTable.Put(callback);
dsn_task_t task = Native.dsn_file_create_aio_task(callbackCode, _c_aio_handler_holder, (IntPtr)idx, hash);
Native.dsn_file_copy_remote_directory(remote, source_dir, dest_dir, overwrite, task, callbackOwner != null ? callbackOwner.tracker() : IntPtr.Zero);
return(task);
}
public static dsn_task_t FileWrite(
dsn_handle_t hFile,
byte[] buffer,
int count,
UInt64 offset,
TaskCode callbackCode,
Servicelet callbackOwner,
AioHandler callback,
int hash = 0
)
{
int idx = GlobalInterOpLookupTable.Put(callback);
dsn_task_t task = Native.dsn_file_create_aio_task(callbackCode, _c_aio_handler_holder, (IntPtr)idx, hash);
Native.dsn_file_write(hFile, buffer, count, offset, task, callbackOwner != null ? callbackOwner.tracker() : IntPtr.Zero);
return(task);
}
public static SafeTaskHandle CopyRemoteDirectory(
ulong remote,
string source_dir,
string dest_dir,
bool overwrite,
TaskCode callbackCode,
Clientlet callbackOwner,
AioHandler callback,
int hash = 0
)
{
var idx = GlobalInterOpLookupTable.Put(callback);
var task = Native.dsn_file_create_aio_task(callbackCode, _c_aio_handler_holder, (IntPtr)idx, hash, callbackOwner?.tracker() ?? IntPtr.Zero);
Native.dsn_file_copy_remote_directory(remote, source_dir, dest_dir, overwrite, task);
return(new SafeTaskHandle(task, idx));
}
public static SafeTaskHandle FileWrite(
dsn_handle_t hFile,
byte[] buffer,
int count,
ulong offset,
TaskCode callbackCode,
Clientlet callbackOwner,
AioHandler callback,
int hash = 0
)
{
var idx = GlobalInterOpLookupTable.Put(callback);
var task = Native.dsn_file_create_aio_task(callbackCode, _c_aio_handler_holder, (IntPtr)idx, hash, callbackOwner?.tracker() ?? IntPtr.Zero);
Native.dsn_file_write(hFile, buffer, count, offset, task);
return(new SafeTaskHandle(task, idx));
}
//
// this gives you the task handle so you can wait or cancel
// the task, with the cost of add/ref the task handle
//
public static SafeTaskHandle CallAsync2(
TaskCode evt,
Clientlet callbackOwner,
task_handler callback,
int hash = 0,
int delay_milliseconds = 0,
int timer_interval_milliseconds = 0
)
{
var idx = GlobalInterOpLookupTable.Put(callback);
var task = timer_interval_milliseconds == 0 ? Native.dsn_task_create(evt, _c_task_handler_holder, (IntPtr)idx, hash, callbackOwner?.tracker() ?? IntPtr.Zero) : Native.dsn_task_create_timer(evt, _c_timer_task_handler_holder, (IntPtr)idx, hash, timer_interval_milliseconds, callbackOwner?.tracker() ?? IntPtr.Zero);
var ret = new SafeTaskHandle(task, idx);
Native.dsn_task_call(task, delay_milliseconds);
return(ret);
}
public static void RpcCallAsync(
RpcAddress server,
RpcWriteStream requestStream,
Servicelet callbackOwner,
RpcResponseHandler callback,
int replyHash = 0
)
{
Logging.dassert(requestStream.IsFlushed(),
"RpcWriteStream must be flushed after write in the same thread");
var idx = GlobalInterOpLookupTable.Put(callback);
dsn_task_t task = Native.dsn_rpc_create_response_task(
requestStream.DangerousGetHandle(),
_c_rpc_response_handler_holder,
(IntPtr)idx,
replyHash
);
Native.dsn_rpc_call(server, task, callbackOwner != null ? callbackOwner.tracker() : IntPtr.Zero);
}
