private unsafe void LoadCell_impl(SynReqRspArgs args)
{
/******************************
* Protocol: LoadCell
* Request: |8B CellId|
* Response: [ 4B TrinityErrorCode header ] -- if success --> | 4B Size|2B CellType| Payload |
******************************/
var id = *(long *)(args.Buffer + args.Offset);
var err = m_memorycloud.LoadCell(id, out var cellBuff, out var cellType);
if (err == TrinityErrorCode.E_SUCCESS)
{
var len = TrinityProtocol.MsgHeader + sizeof(int) + cellBuff.Length + sizeof(ushort);
var buf = (byte *)Memory.malloc((ulong)len);
var sp = PointerHelper.New(buf);
*sp.ip++ = len - TrinityProtocol.SocketMsgHeader;
*sp.ip++ = (int)err;
*sp.ip++ = cellBuff.Length;
*sp.sp++ = (short)cellType;
fixed(byte *p = cellBuff)
{
Memory.memcpy(sp.bp, p, (ulong)cellBuff.Length);
}
args.Response = new TrinityMessage(buf, len);
}
else
{
var buf = (byte *)Memory.malloc(TrinityProtocol.MsgHeader);
var sp = PointerHelper.New(buf);
*sp.ip++ = TrinityProtocol.MsgHeader - TrinityProtocol.SocketMsgHeader;
*sp.ip = (int)err;
args.Response = new TrinityMessage(buf, TrinityProtocol.MsgHeader);
}
}
private unsafe void RedirectMessageWithResponse_impl(SynReqRspArgs args)
{
/******************************
* Protocol: RedirectMessage
* Request: |4B PartitionId| TrinityMessage |
* Response: | TrinityResponse |
*
* Redirects the message to another instance.
******************************/
PointerHelper sp = PointerHelper.New(args.Buffer + args.Offset);
int partitionId = *sp.ip++;
TrinityMessage tm = new TrinityMessage(sp.bp, (*sp.ip) + TrinityProtocol.SocketMsgHeader);
m_memorycloud[partitionId].SendMessage(tm, out var rsp);
int rsp_size = TrinityProtocol.MsgHeader + rsp.Size;
byte *rsp_buf = (byte *)Memory.malloc((ulong)rsp_size);
*(int *)rsp_buf = rsp_size - TrinityProtocol.SocketMsgHeader;
Memory.Copy(rsp.Buffer, rsp.Offset, rsp_buf, TrinityProtocol.MsgHeader, rsp.Size);
rsp.Dispose();
args.Response = new TrinityMessage(rsp_buf, rsp_size);
}
/// <inheritdoc/>
public void SendMessage(byte *message, int size, out TrinityResponse response)
{
TrinityMessageType msgType = *(TrinityMessageType *)(message + TrinityProtocol.MsgTypeOffset);
ushort msgId = *(ushort *)(message + TrinityProtocol.MsgIdOffset);
SynReqRspArgs sync_rsp_args;
TrinityErrorCode msgProcessResult;
if (msgType == TrinityMessageType.PRESERVED_SYNC_WITH_RSP)
{
sync_rsp_args = new SynReqRspArgs(message,
TrinityProtocol.MsgHeader,
size - TrinityProtocol.MsgHeader,
MessageHandlers.DefaultParser.preserved_sync_rsp_handlers[msgId]);
}
else// msgType == TrinityMessageType.SYNC_WITH_RSP
{
sync_rsp_args = new SynReqRspArgs(message,
TrinityProtocol.MsgHeader,
size - TrinityProtocol.MsgHeader,
MessageHandlers.DefaultParser.sync_rsp_handlers[msgId]);
}
msgProcessResult = sync_rsp_args.MessageProcess();
if (msgProcessResult == TrinityErrorCode.E_SUCCESS)
{
response = new TrinityResponse(sync_rsp_args.Response);
}
else// msgProcessResult == TrinityErrorCode.E_RPC_EXCEPTION
{
throw new IOException("Local message handler throws an exception.");
}
}
internal unsafe static void FailureNotificationMessageHandler(ref SynReqRspArgs args)
{
int leaderCandidate = -1;
int failureServerId = -1;
{
int *p = (int *)(args.Buffer + args.Offset);
leaderCandidate = *p++;
failureServerId = *p;
}
#region Debug
#if DEBUG
Log.WriteLine(LogLevel.Info, "Received failure notification message from {0} who claim {1} failed.", leaderCandidate, failureServerId);
#endif
#endregion
TrinityMessage response = new TrinityMessage(34);
{
*(int *)response.Buffer = 30;
long *p = (long *)(response.Buffer + TrinityMessage.Offset);
var workload = SystemStatus.Workloads;
* p++ = workload.AvailableMemoryBytes; // 8
* p++ = workload.CellCount; // 8
* p++ = workload.SliceSize; //8
*(int *)p = workload.SliceCount; //4
}
args.Response = response;
}
private unsafe void PollEvents_impl(SynReqRspArgs args)
{
/******************************
* Protocol: PollEvents
* Request: |4B InstanceId|4B Cookie|
* Response:[4B E_RESULT Header] - |8B p| TrinityMessage |
* Response.p != 0 if the response is a "request with response"
* Response.TrinityMessage length header < 0 if there are no events
* E_RESULT values:
*
* 0 = E_SUCCESS
* 1 = E_NO_EVENTS
* 2 = E_INVALID_CLIENT
*
* !NOTE Here, response itself is a TrinityMessage and Response.TrinityMessage
* is the inner payload.
******************************/
PointerHelper sp = PointerHelper.New(args.Buffer + args.Offset);
int instanceId = *sp.ip++;
int cookie = *sp.ip++;
byte * outer_buf;
int outer_len;
long p = 0;
TrinityMessage tm = null;
TaskCompletionSource <bool> tsrc = null;
bool invalid_client = false;
try
{
var stg = CheckInstanceCookie(cookie, instanceId);
stg.Pulse = DateTime.Now;
(p, tm, tsrc) = stg.PollEvents_impl();
}
catch (ClientInstanceNotFoundException)
{
invalid_client = true;
}
if (tm == null)
{
outer_len = TrinityProtocol.MsgHeader + sizeof(long) + sizeof(int);
outer_buf = (byte *)Memory.malloc((ulong)outer_len);
*(int *)outer_buf = outer_len - TrinityProtocol.SocketMsgHeader;
*(long *)(outer_buf + TrinityProtocol.MsgHeader) = 0;
*(int *)(outer_buf + TrinityProtocol.MsgHeader + sizeof(long)) = -1;
*(int *)(outer_buf + TrinityProtocol.SocketMsgHeader) = invalid_client ? 2 : 1;
}
else
{
outer_len = TrinityProtocol.MsgHeader + sizeof(long) + tm.Size;
outer_buf = (byte *)Memory.malloc((ulong)outer_len);
*(int *)outer_buf = outer_len - TrinityProtocol.SocketMsgHeader;
*(long *)(outer_buf + TrinityProtocol.MsgHeader) = p;
Memory.memcpy(outer_buf + TrinityProtocol.MsgHeader + sizeof(long), tm.Buffer, (ulong)tm.Size);
tsrc.SetResult(true);
*(int *)(outer_buf + TrinityProtocol.SocketMsgHeader) = 0;
}
args.Response = new TrinityMessage(outer_buf, outer_len);
}
private unsafe void _HelloMessageHandler(SynReqRspArgs args)
{
var rsp = new HelloMessageReponseWriter();
HelloMessageHandler(new HelloNessageRequestReader(args.Buffer, args.Offset), rsp);
*(int *)(rsp.m_ptr - TrinityProtocol.MsgHeader) = rsp.Length + TrinityProtocol.TrinityMsgHeader;
args.Response = new TrinityMessage(rsp.buffer, rsp.Length + TrinityProtocol.MsgHeader);
}
private unsafe void _QueryHandler(SynReqRspArgs args)
{
fixed(byte *p = &args.Buffer[args.Offset])
{
var responseBuff = new ResultWriter();
QueryHandler(new NameRequestReader(p), responseBuff);
*(int *)(responseBuff.CellPtr - TrinityProtocol.MsgHeader) = responseBuff.Length + TrinityProtocol.TrinityMsgHeader;
args.Response = new TrinityMessage(responseBuff.buffer, responseBuff.Length + TrinityProtocol.MsgHeader);
}
}
private unsafe void UpdateCell_impl(SynReqRspArgs args)
{
/******************************
* Protocol: UpdateCell
* Request: |8B CellId|4B Size| Payload |
* Response: [ 4B TrinityErrorCode header ]
******************************/
var sp = PointerHelper.New(args.Buffer + args.Offset);
var id = *sp.lp++;
var size = *sp.ip++;
var err = (int)m_memorycloud.UpdateCell(id, sp.bp, size);
var buf = (byte *)Memory.malloc(TrinityProtocol.MsgHeader);
sp = PointerHelper.New(buf);
*sp.ip++ = TrinityProtocol.MsgHeader - TrinityProtocol.SocketMsgHeader;
*sp.ip = err;
args.Response = new TrinityMessage(buf, TrinityProtocol.MsgHeader);
}
internal void *DispatchMessage(MessageBuff *sendRecvBuff)
{
byte *ByteArray = sendRecvBuff->Buffer;
int Length = (int)sendRecvBuff->Length;
TrinityMessageType msgType = *(TrinityMessageType *)(sendRecvBuff->Buffer + TrinityProtocol.TrinityMsgTypeOffset);
ushort msgId = *(ushort *)(ByteArray + TrinityProtocol.TrinityMsgIdOffset);
TrinityErrorCode msgProcessResult;
try
{
switch (msgType)
{
case TrinityMessageType.SYNC_WITH_RSP:
SynReqRspArgs sync_rsp_args = new SynReqRspArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
sync_rsp_handlers[msgId]);
msgProcessResult = sync_rsp_args.MessageProcess();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff, sync_rsp_args.Response);
return(null);
case TrinityMessageType.PRESERVED_SYNC_WITH_RSP:
SynReqRspArgs preserved_sync_rsp_args = new SynReqRspArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
preserved_sync_rsp_handlers[msgId]);
msgProcessResult = preserved_sync_rsp_args.MessageProcess();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff, preserved_sync_rsp_args.Response);
return(null);
case TrinityMessageType.SYNC:
SynReqArgs sync_args = new SynReqArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
sync_handlers[msgId]);
msgProcessResult = sync_args.MessageProcess();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff);
return(null);
case TrinityMessageType.PRESERVED_SYNC:
SynReqArgs preserved_sync_args = new SynReqArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
preserved_sync_handlers[msgId]);
msgProcessResult = preserved_sync_args.MessageProcess();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff);
return(null);
case TrinityMessageType.ASYNC:
AsynReqArgs async_args = new AsynReqArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
async_handlers[msgId]);
msgProcessResult = async_args.AsyncProcessMessage();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff);
return(null);
case TrinityMessageType.PRESERVED_ASYNC:
AsynReqArgs preserved_async_args = new AsynReqArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
preserved_async_handlers[msgId]);
msgProcessResult = preserved_async_args.AsyncProcessMessage();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff);
return(null);
case TrinityMessageType.ASYNC_WITH_RSP:
AsynReqRspArgs async_rsp_args = new AsynReqRspArgs(ByteArray,
TrinityProtocol.TrinityMsgHeader,
Length - TrinityProtocol.TrinityMsgHeader,
async_rsp_handlers[msgId]);
msgProcessResult = async_rsp_args.AsyncProcessMessage();
_SetSendRecvBuff(msgProcessResult, sendRecvBuff);
return(null);
default:
throw new Exception("Not recognized message type.");
}
}
catch (MessageTooLongException ex)
{
Log.WriteLine("Message Type: " + msgType);
Log.WriteLine("Message SN: " + msgId);
Log.WriteLine(ex.Message);
Log.WriteLine(ex.StackTrace);
_SetSendRecvBuff(TrinityErrorCode.E_MSG_OVERFLOW, sendRecvBuff);
return(null);
}
catch (Exception ex)
{
Log.WriteLine("Message Type: " + msgType);
Log.WriteLine("Message SN: " + msgId);
Log.WriteLine(ex.Message);
Log.WriteLine(ex.StackTrace);
_SetSendRecvBuff(TrinityErrorCode.E_RPC_EXCEPTION, sendRecvBuff);
return(null);
}
}
