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#include "UnityPrefix.h"
#if ENABLE_CLUSTER_SYNC
#include "ClusterNode.h"
#include "ClusterNetwork.h"
#include "ClusterTransfer.h"
#ifdef DEBUG
#include "Runtime/Input/InputManager.h"
#include "ClusterRendererModule.h"
#endif
MasterNode::~MasterNode()
{
delete m_Socket;
delete m_Synchronizer;
}
void MasterNode::Sync()
{
#ifdef DEBUG
if(ClusterRendererModule::IsInClusterTestMode)
{
static int count = 0;
if(count++ == 400)
{
GetInputManager().QuitApplication();
return;
}
}
#endif
// this may early out
WaitForSlavesToConnect();
// the write buffer
dynamic_array<UInt8> buffer(kMemTempAlloc);
// Transfer
m_Synchronizer->TransferToBuffer(buffer);
// in the end, send out the buffer via zmq
m_Socket->Publish(buffer);
// sync up, this should block
WaitForSlavesToAck();
}
void MasterNode::WaitForSlavesToConnect()
{
// don't try if we have all initialy connected
if(m_AllSlavesConnected) return;
// check and wait for each slave
for(int i = 0; i < m_InitialSlaveCount;)
{
// This will block
if(m_Socket->WaitForSubscriber())
i++;
}
// only do it once
m_AllSlavesConnected = true;
}
void MasterNode::WaitForSlavesToAck()
{
int checkedInCount = 0;
// while there are slaves unaccounted for
while((m_CurrentSlaveCount - checkedInCount) > 0)
{
// check for unsubscription
if(m_Socket->CheckForUnsubscribe())
m_CurrentSlaveCount--;
// check control signal
if(m_Socket->GetAck())
checkedInCount++;
}
}
SlaveNode::SlaveNode(SlaveSocket* socket, ClusterTransfer* sync, int param)
: ClusterNode(false)
, m_Socket(socket)
, m_Synchronizer(sync)
, m_SlaveId(param)
{
// should this be here?
m_Socket->Subscribe(m_SlaveId);
}
SlaveNode::~SlaveNode()
{
// send the ubsubscribe signal
m_Socket->Unsubscribe(m_SlaveId);
// destroy stuff
delete m_Socket;
delete m_Synchronizer;
}
void SlaveNode::Sync()
{
#ifdef DEBUG
if(ClusterRendererModule::IsInClusterTestMode)
{
static int count = 0;
if(count++ == 300)
{
m_Synchronizer->TransferToFile(m_SlaveId);
GetInputManager().QuitApplication();
return;
}
}
#endif
// TODO: fix potential buffer overflow
// the read buffer
dynamic_array<UInt8> buffer(4096, kMemTempAlloc);
// wait for the server to send the buffer over
m_Socket->Listen(buffer);
// send control signal
m_Socket->SendAck();
// use the data
m_Synchronizer->TransferFromBuffer(buffer);
}
#endif
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