virtual void OnThreadExecute(void)
{
SetThreadName("CaptureServer");
FileOutStream outStream(m_file);
// Technically any Labels that get initialized on another thread bettween the barrier and loop
// will get recorded twice, but OVRMonitor will handle that scenario gracefully.
g_labelLock.Lock();
for(Label *l=Label::GetHead(); l; l=l->GetNext())
{
SendLabelPacket(*l);
}
g_labelLock.Unlock();
// Start CPU/GPU/Thermal sensors...
StandardSensors stdsensors;
if(CheckConnectionFlag(Enable_CPU_Clocks) || CheckConnectionFlag(Enable_GPU_Clocks) || CheckConnectionFlag(Enable_Thermal_Sensors))
{
stdsensors.Start();
}
// as long as we are running, continuously flush the latest stream data to disk...
while(!QuitSignaled())
{
const UInt64 flushBeginTime = GetNanoseconds();
if(!AsyncStream::FlushAll(outStream))
{
break;
}
const UInt64 flushEndTime = GetNanoseconds();
const UInt64 flushDeltaTime = flushEndTime - flushBeginTime;
const UInt64 sleepTime = 4000000; // 4ms
if(flushDeltaTime < sleepTime)
{
// Sleep just a bit to keep the thread from killing a core and to let a good chunk of data build up
ThreadSleepNanoseconds((UInt32)(sleepTime - flushDeltaTime));
}
}
// Clear the connection flags...
AtomicExchange(g_connectionFlags, (UInt32)0);
// Close down our sensor thread...
stdsensors.QuitAndWait();
}
void StandardSensors::OnThreadExecute(void)
{
// Pre-load what files we can... reduces open/close overhead (which is significant)
// Setup CPU Clocks Support...
FileHandle cpuOnlineFiles[g_maxCpus];
FileHandle cpuFreqFiles[g_maxCpus];
for(unsigned int i=0; i<g_maxCpus; i++)
{
cpuOnlineFiles[i] = cpuFreqFiles[i] = NullFileHandle;
}
if(CheckConnectionFlag(Enable_CPU_Zones))
{
for(unsigned int i=0; i<g_maxCpus; i++)
{
const CpuSensorDesc &desc = g_cpuDescs[i];
cpuOnlineFiles[i] = OpenFile(desc.onlinePath);
cpuFreqFiles[i] = NullFileHandle;
if(cpuOnlineFiles[i] != NullFileHandle)
{
const int maxFreq = ReadIntFile(desc.maxFreqPath);
SensorSetRange(desc.label, 0, (float)maxFreq, Sensor_Interp_Nearest, Sensor_Unit_KHz);
}
}
}
// Setup GPU Clocks Support...
FileHandle gpuFreqFile = NullFileHandle;
if(CheckConnectionFlag(Enable_GPU_Clocks))
{
gpuFreqFile = OpenFile("/sys/class/kgsl/kgsl-3d0/gpuclk");
}
if(gpuFreqFile != NullFileHandle)
{
const int maxFreq = ReadIntFile("/sys/class/kgsl/kgsl-3d0/max_gpuclk");
SensorSetRange(g_gpuLabel, 0, (float)maxFreq, Sensor_Interp_Nearest, Sensor_Unit_Hz);
}
// Setup Memory Clocks Support...
FileHandle memFreqFile = NullFileHandle;
//memFreqFile = OpenFile("/sys/class/devfreq/0.qcom,cpubw/cur_freq");
if(memFreqFile != NullFileHandle)
{
const int maxFreq = ReadIntFile("/sys/class/devfreq/0.qcom,cpubw/max_freq");
SensorSetRange(g_memLabel, 0, (float)maxFreq, Sensor_Interp_Nearest, Sensor_Unit_MByte_Second);
}
// Setup thermal sensors...
static const unsigned int maxThermalSensors = 20;
static ThermalSensorDesc thermalDescs[maxThermalSensors];
FileHandle thermalFiles[maxThermalSensors];
for(unsigned int i=0; i<maxThermalSensors; i++)
{
thermalFiles[i] = NullFileHandle;
}
if(CheckConnectionFlag(Enable_Thermal_Sensors))
{
for(unsigned int i=0; i<maxThermalSensors; i++)
{
ThermalSensorDesc &desc = thermalDescs[i];
char typePath[64] = {0};
char tempPath[64] = {0};
char modePath[64] = {0};
sprintf(typePath, "/sys/devices/virtual/thermal/thermal_zone%d/type", i);
sprintf(tempPath, "/sys/devices/virtual/thermal/thermal_zone%d/temp", i);
sprintf(modePath, "/sys/devices/virtual/thermal/thermal_zone%d/mode", i);
// If either of these files don't exist, then we got to the end of the thermal zone list...
if(!CheckFileExists(typePath) || !CheckFileExists(tempPath))
break;
// check to see if the zone is disabled... its okay if there is no mode file...
char mode[16] = {0};
if(ReadFileLine(modePath, mode, sizeof(mode))>0 && !strcmp(mode, "disabled"))
continue;
if(!desc.initialized)
{
// Read the sensor name in...
ReadFileLine(typePath, desc.name, sizeof(desc.name));
// Initialize the Label...
desc.initialized = desc.label.ConditionalInit(desc.name);
}
// Finally... open the file.
thermalFiles[i] = OpenFile(tempPath);
if(thermalFiles[i] != NullFileHandle)
{
// by default 0 to 100 degrees...
SensorSetRange(desc.label, 0, 100, Sensor_Interp_Linear);
}
}
}
// For clocks, we store the last value and only send updates when it changes since we
// use blocking chart rendering.
int lastCpuFreq[g_maxCpus] = {0};
int lastGpuFreq = 0;
int lastMemValue = 0;
unsigned int sampleCount = 0;
while(!QuitSignaled() && IsConnected())
{
// Sample CPU Frequencies...
for(unsigned int i=0; i<g_maxCpus; i++)
{
// If the 'online' file can't be found, then we just assume this CPU doesn't even exist
if(cpuOnlineFiles[i] == NullFileHandle)
continue;
const CpuSensorDesc &desc = g_cpuDescs[i];
const bool online = ReadIntFile(desc.onlinePath);
if(online && cpuFreqFiles[i]==NullFileHandle)
{
// Open the frequency file if we are online and its not already open...
cpuFreqFiles[i] = OpenFile(desc.freqPath);
}
else if(!online && cpuFreqFiles[i]!=NullFileHandle)
{
// close the frequency file if we are no longer online
CloseFile(cpuFreqFiles[i]);
cpuFreqFiles[i] = NullFileHandle;
}
const int freq = cpuFreqFiles[i]==NullFileHandle ? 0 : ReadIntFile(cpuFreqFiles[i]);
if(freq != lastCpuFreq[i])
{
// Convert from KHz to Hz
SensorSetValue(desc.label, (float)freq);
lastCpuFreq[i] = freq;
}
ThreadYield();
}
// Sample GPU Frequency...
if(gpuFreqFile != NullFileHandle)
{
const int freq = ReadIntFile(gpuFreqFile);
if(freq != lastGpuFreq)
{
SensorSetValue(g_gpuLabel, (float)freq);
lastGpuFreq = freq;
}
}
// Sample Memory Bandwidth
if(memFreqFile != NullFileHandle)
{
const int value = ReadIntFile(memFreqFile);
if(value != lastMemValue)
{
SensorSetValue(g_memLabel, (float)value);
lastMemValue = value;
}
}
// Sample thermal sensors...
if((sampleCount&15) == 0) // sample temperature at a much lower frequency as clocks... thermals don't change that fast.
{
for(unsigned int i=0; i<maxThermalSensors; i++)
{
FileHandle file = thermalFiles[i];
if(file != NullFileHandle)
{
SensorSetValue(thermalDescs[i].label, (float)ReadIntFile(file));
}
}
ThreadYield();
}
// Sleep 5ms between samples...
ThreadSleepMicroseconds(5000);
sampleCount++;
}
// Close down cached file handles...
for(unsigned int i=0; i<g_maxCpus; i++)
{
if(cpuOnlineFiles[i] != NullFileHandle) CloseFile(cpuOnlineFiles[i]);
if(cpuFreqFiles[i] != NullFileHandle) CloseFile(cpuFreqFiles[i]);
}
if(gpuFreqFile != NullFileHandle) CloseFile(gpuFreqFile);
if(memFreqFile != NullFileHandle) CloseFile(memFreqFile);
for(unsigned int i=0; i<maxThermalSensors; i++)
{
if(thermalFiles[i] != NullFileHandle) CloseFile(thermalFiles[i]);
}
}
virtual void OnThreadExecute(void)
{
SetThreadName("OVR::Capture");
while(m_listenSocket && !QuitSignaled())
{
// try and accept a new socket connection...
SocketAddress streamAddr;
m_streamSocket = m_listenSocket->Accept(streamAddr);
// If no connection was established, something went totally wrong and we should just abort...
if(!m_streamSocket)
break;
// Before we start sending capture data... first must exchange connection headers...
// First attempt to read in the request header from the Client...
ConnectionHeaderPacket clientHeader = {0};
if(!m_streamSocket->Receive(&clientHeader, sizeof(clientHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Load our connection flags...
const UInt32 connectionFlags = clientHeader.flags & g_initFlags;
// Build and send return header... We *always* send the return header so that if we don't
// like something (like version number or feature flags), the client has some hint as to
// what we didn't like.
ConnectionHeaderPacket serverHeader = {0};
serverHeader.size = sizeof(serverHeader);
serverHeader.version = ConnectionHeaderPacket::s_version;
serverHeader.flags = connectionFlags;
if(!m_streamSocket->Send(&serverHeader, sizeof(serverHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Check version number...
if(clientHeader.version != serverHeader.version)
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Check that we have any capture features even turned on...
if(!connectionFlags)
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Finally, send our packet descriptors...
const PacketDescriptorPacket packetDescs[] =
{
BuildPacketDescriptorPacket<ThreadNamePacket>(),
BuildPacketDescriptorPacket<LabelPacket>(),
BuildPacketDescriptorPacket<FramePacket>(),
BuildPacketDescriptorPacket<VSyncPacket>(),
BuildPacketDescriptorPacket<CPUZoneEnterPacket>(),
BuildPacketDescriptorPacket<CPUZoneLeavePacket>(),
BuildPacketDescriptorPacket<GPUZoneEnterPacket>(),
BuildPacketDescriptorPacket<GPUZoneLeavePacket>(),
BuildPacketDescriptorPacket<GPUClockSyncPacket>(),
BuildPacketDescriptorPacket<SensorRangePacket>(),
BuildPacketDescriptorPacket<SensorPacket>(),
BuildPacketDescriptorPacket<FrameBufferPacket>(),
BuildPacketDescriptorPacket<LogPacket>(),
};
const PacketDescriptorHeaderPacket packetDescHeader = { sizeof(packetDescs) / sizeof(packetDescs[0]) };
if(!m_streamSocket->Send(&packetDescHeader, sizeof(packetDescHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
if(!m_streamSocket->Send(&packetDescs, sizeof(packetDescs)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Connection established!
// Signal that we are connected!
AtomicExchange(g_connectionFlags, connectionFlags);
// Technically any Labels that get initialized on another thread bettween the barrier and loop
// will get sent over the network twice, but OVRMonitor will handle that.
SpinLock(g_labelLock);
for(Label *l=Label::GetHead(); l; l=l->GetNext())
{
SendLabelPacket(*l);
}
SpinUnlock(g_labelLock);
// Start CPU/GPU/Thermal sensors...
StandardSensors stdsensors;
if(CheckConnectionFlag(Enable_CPU_Clocks) || CheckConnectionFlag(Enable_GPU_Clocks) || CheckConnectionFlag(Enable_Thermal_Sensors))
{
stdsensors.Start();
}
// Spin as long as we are connected flushing data from our data stream...
while(!QuitSignaled())
{
const UInt64 flushBeginTime = GetNanoseconds();
if(!AsyncStream::FlushAll(*m_streamSocket))
{
// Error occured... shutdown the connection.
AtomicExchange(g_connectionFlags, (UInt32)0);
m_streamSocket->Shutdown();
break;
}
const UInt64 flushEndTime = GetNanoseconds();
const UInt64 flushDeltaTime = flushEndTime - flushBeginTime;
const UInt64 sleepTime = 5000000; // 5ms
if(flushDeltaTime < sleepTime)
{
// Sleep just a bit to keep the thread from killing a core and to let a good chunk of data build up
ThreadSleepNanoseconds(sleepTime - flushDeltaTime);
}
}
// TODO: should we call AsyncStream::Shutdown() here???
// Close down our sensor thread...
stdsensors.QuitAndWait();
// Connection was closed at some point, lets clean up our socket...
m_streamSocket->Release();
m_streamSocket = NULL;
} // while(m_listenSocket && !QuitSignaled())
}
void StandardSensors::OnThreadExecute(void)
{
SetThreadName("CaptureSensors");
// Pre-load what files we can... reduces open/close overhead (which is significant)
// Setup CPU Clocks Support...
static const UInt32 maxCpus = 8;
static SensorLabelDesc cpuDescs[maxCpus];
FileHandle cpuOnlineFiles[maxCpus];
FileHandle cpuFreqFiles[maxCpus];
for(UInt32 i=0; i<maxCpus; i++)
{
cpuOnlineFiles[i] = cpuFreqFiles[i] = NullFileHandle;
SensorLabelDesc &desc = cpuDescs[i];
FormatString(desc.name, sizeof(desc.name), "CPU%u Clocks", i);
desc.label.ConditionalInit(desc.name);
}
if(CheckConnectionFlag(Enable_CPU_Zones))
{
int maxFreq = 0;
for(UInt32 i=0; i<maxCpus; i++)
{
char onlinePath[64] = {0};
FormatString(onlinePath, sizeof(onlinePath), "/sys/devices/system/cpu/cpu%u/online", i);
cpuOnlineFiles[i] = OpenFile(onlinePath);
cpuFreqFiles[i] = NullFileHandle;
if(cpuOnlineFiles[i] != NullFileHandle)
{
char maxFreqPath[64] = {0};
FormatString(maxFreqPath, sizeof(maxFreqPath), "/sys/devices/system/cpu/cpu%u/cpufreq/cpuinfo_max_freq", i);
maxFreq = std::max(maxFreq, ReadIntFile(maxFreqPath));
}
}
for(UInt32 i=0; i<maxCpus; i++)
{
const SensorLabelDesc &desc = cpuDescs[i];
SensorSetRange(desc.label, 0, (float)maxFreq, Sensor_Interp_Nearest, Sensor_Unit_KHz);
}
}
// Setup GPU Clocks Support...
FileHandle gpuFreqFile = NullFileHandle;
if(CheckConnectionFlag(Enable_GPU_Clocks))
{
if(gpuFreqFile == NullFileHandle) // Adreno
{
gpuFreqFile = OpenFile("/sys/class/kgsl/kgsl-3d0/gpuclk");
if(gpuFreqFile != NullFileHandle)
{
const int maxFreq = ReadIntFile("/sys/class/kgsl/kgsl-3d0/max_gpuclk");
SensorSetRange(g_gpuLabel, 0, (float)maxFreq, Sensor_Interp_Nearest, Sensor_Unit_Hz);
}
}
if(gpuFreqFile == NullFileHandle) // Mali
{
gpuFreqFile = OpenFile("/sys/devices/14ac0000.mali/clock");
if(gpuFreqFile != NullFileHandle)
{
// TODO: query max GPU clocks on Mali, for now hacked to what we know the S6 is
SensorSetRange(g_gpuLabel, 0, 0, Sensor_Interp_Nearest, Sensor_Unit_MHz);
}
}
}
// Setup Memory Clocks Support...
FileHandle memFreqFile = NullFileHandle;
//memFreqFile = OpenFile("/sys/class/devfreq/0.qcom,cpubw/cur_freq");
if(memFreqFile != NullFileHandle)
{
const int maxFreq = ReadIntFile("/sys/class/devfreq/0.qcom,cpubw/max_freq");
SensorSetRange(g_memLabel, 0, (float)maxFreq, Sensor_Interp_Nearest, Sensor_Unit_MByte_Second);
}
// Setup thermal sensors...
static const UInt32 maxThermalSensors = 20;
static SensorLabelDesc thermalDescs[maxThermalSensors];
FileHandle thermalFiles[maxThermalSensors];
for(UInt32 i=0; i<maxThermalSensors; i++)
{
thermalFiles[i] = NullFileHandle;
}
if(CheckConnectionFlag(Enable_Thermal_Sensors))
{
for(UInt32 i=0; i<maxThermalSensors; i++)
{
SensorLabelDesc &desc = thermalDescs[i];
char typePath[64] = {0};
char tempPath[64] = {0};
char tripPointPath[64] = {0};
FormatString(typePath, sizeof(typePath), "/sys/devices/virtual/thermal/thermal_zone%u/type", i);
FormatString(tempPath, sizeof(tempPath), "/sys/devices/virtual/thermal/thermal_zone%u/temp", i);
FormatString(tripPointPath, sizeof(tripPointPath), "/sys/devices/virtual/thermal/thermal_zone%u/trip_point_0_temp", i);
// If either of these files don't exist, then we got to the end of the thermal zone list...
if(!CheckFileExists(typePath) || !CheckFileExists(tempPath) || !CheckFileExists(tripPointPath))
break;
// Initialize the Label...
if(ReadFileLine(typePath, desc.name, sizeof(desc.name)) <= 0)
continue; // failed to read sensor name...
desc.label.ConditionalInit(desc.name);
char modePath[64] = {0};
FormatString(modePath, sizeof(modePath), "/sys/devices/virtual/thermal/thermal_zone%d/mode", i);
// check to see if the zone is disabled... its okay if there is no mode file...
char mode[16] = {0};
if(ReadFileLine(modePath, mode, sizeof(mode))>0 && !strcmp(mode, "disabled"))
continue;
// Finally... open the file.
thermalFiles[i] = OpenFile(tempPath);
// Check to see if the temperature file was found...
if(thermalFiles[i] == NullFileHandle)
continue;
// Read in the critical temperature value.
const int tripPoint = ReadIntFile(tripPointPath);
if(tripPoint > 0)
{
SensorSetRange(desc.label, 0, (float)tripPoint, Sensor_Interp_Linear);
}
}
}
// For clocks, we store the last value and only send updates when it changes since we
// use blocking chart rendering.
int lastCpuFreq[maxCpus] = {0};
int lastGpuFreq = 0;
int lastMemValue = 0;
UInt32 sampleCount = 0;
while(!QuitSignaled() && IsConnected())
{
// Sample CPU Frequencies...
for(UInt32 i=0; i<maxCpus; i++)
{
// If the 'online' file can't be found, then we just assume this CPU doesn't even exist
if(cpuOnlineFiles[i] == NullFileHandle)
continue;
const SensorLabelDesc &desc = cpuDescs[i];
const bool online = ReadIntFile(cpuOnlineFiles[i]) ? true : false;
if(online && cpuFreqFiles[i]==NullFileHandle)
{
// Open the frequency file if we are online and its not already open...
char freqPath[64] = {0};
FormatString(freqPath, sizeof(freqPath), "/sys/devices/system/cpu/cpu%u/cpufreq/scaling_cur_freq", i);
cpuFreqFiles[i] = OpenFile(freqPath);
}
else if(!online && cpuFreqFiles[i]!=NullFileHandle)
{
// close the frequency file if we are no longer online
CloseFile(cpuFreqFiles[i]);
cpuFreqFiles[i] = NullFileHandle;
}
const int freq = cpuFreqFiles[i]==NullFileHandle ? 0 : ReadIntFile(cpuFreqFiles[i]);
if(freq != lastCpuFreq[i])
{
// Convert from KHz to Hz
SensorSetValue(desc.label, (float)freq);
lastCpuFreq[i] = freq;
}
ThreadYield();
}
// Sample GPU Frequency...
if(gpuFreqFile != NullFileHandle)
{
const int freq = ReadIntFile(gpuFreqFile);
if(freq != lastGpuFreq)
{
SensorSetValue(g_gpuLabel, (float)freq);
lastGpuFreq = freq;
}
}
// Sample Memory Bandwidth
if(memFreqFile != NullFileHandle)
{
const int value = ReadIntFile(memFreqFile);
if(value != lastMemValue)
{
SensorSetValue(g_memLabel, (float)value);
lastMemValue = value;
}
}
// Sample thermal sensors...
if((sampleCount&15) == 0) // sample temperature at a much lower frequency as clocks... thermals don't change that fast.
{
for(UInt32 i=0; i<maxThermalSensors; i++)
{
FileHandle file = thermalFiles[i];
if(file != NullFileHandle)
{
SensorSetValue(thermalDescs[i].label, (float)ReadIntFile(file));
}
}
ThreadYield();
}
// Sleep 5ms between samples...
ThreadSleepMicroseconds(5000);
sampleCount++;
}
// Close down cached file handles...
for(UInt32 i=0; i<maxCpus; i++)
{
if(cpuOnlineFiles[i] != NullFileHandle) CloseFile(cpuOnlineFiles[i]);
if(cpuFreqFiles[i] != NullFileHandle) CloseFile(cpuFreqFiles[i]);
}
if(gpuFreqFile != NullFileHandle) CloseFile(gpuFreqFile);
if(memFreqFile != NullFileHandle) CloseFile(memFreqFile);
for(UInt32 i=0; i<maxThermalSensors; i++)
{
if(thermalFiles[i] != NullFileHandle) CloseFile(thermalFiles[i]);
}
}
virtual void OnThreadExecute(void)
{
SetThreadName("CaptureServer");
// Acquire the process name...
#if defined(OVR_CAPTURE_WINDOWS)
char packageName[64] = {0};
GetModuleFileNameA(NULL, packageName, sizeof(packageName));
if(!packageName[0])
{
StringCopy(packageName, "Unknown", sizeof(packageName));
}
#else
char packageName[64] = {0};
char cmdlinepath[64] = {0};
FormatString(cmdlinepath, sizeof(cmdlinepath), "/proc/%u/cmdline", (unsigned)getpid());
if(ReadFileLine(cmdlinepath, packageName, sizeof(packageName)) <= 0)
{
StringCopy(packageName, "Unknown", sizeof(packageName));
}
#endif
while(m_listenSocket && !QuitSignaled())
{
// Start auto-discovery thread...
ZeroConfigHost *zeroconfig = ZeroConfigHost::Create(g_zeroConfigPort, m_listenPort, packageName);
zeroconfig->Start();
// try and accept a new socket connection...
SocketAddress streamAddr;
m_streamSocket = m_listenSocket->Accept(streamAddr);
// Once connected, shut the auto-discovery thread down.
zeroconfig->Release();
// If no connection was established, something went totally wrong and we should just abort...
if(!m_streamSocket)
break;
// Before we start sending capture data... first must exchange connection headers...
// First attempt to read in the request header from the Client...
ConnectionHeaderPacket clientHeader = {0};
if(!m_streamSocket->Receive(&clientHeader, sizeof(clientHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Load our connection flags...
const UInt32 connectionFlags = clientHeader.flags & g_initFlags;
// Build and send return header... We *always* send the return header so that if we don't
// like something (like version number or feature flags), the client has some hint as to
// what we didn't like.
ConnectionHeaderPacket serverHeader = {0};
serverHeader.size = sizeof(serverHeader);
serverHeader.version = ConnectionHeaderPacket::s_version;
serverHeader.flags = connectionFlags;
if(!m_streamSocket->Send(&serverHeader, sizeof(serverHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Check version number...
if(clientHeader.version != serverHeader.version)
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Check that we have any capture features even turned on...
if(!connectionFlags)
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Finally, send our packet descriptors...
const PacketDescriptorHeaderPacket packetDescHeader = { g_numPacketDescs };
if(!m_streamSocket->Send(&packetDescHeader, sizeof(packetDescHeader)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
if(!m_streamSocket->Send(&g_packetDescs, sizeof(g_packetDescs)))
{
m_streamSocket->Release();
m_streamSocket = NULL;
continue;
}
// Connection established!
// Initialize the per-thread stream system before flipping on g_connectionFlags...
AsyncStream::Init();
if(g_onConnect)
{
// Call back into the app to notify a connection is being established.
// We intentionally do this before enabling the connection flags.
g_onConnect(connectionFlags);
}
// Signal that we are connected!
AtomicExchange(g_connectionFlags, connectionFlags);
// Technically any Labels that get initialized on another thread bettween the barrier and loop
// will get sent over the network twice, but OVRMonitor will handle that.
g_labelLock.Lock();
for(Label *l=Label::GetHead(); l; l=l->GetNext())
{
SendLabelPacket(*l);
}
g_labelLock.Unlock();
// Start CPU/GPU/Thermal sensors...
StandardSensors stdsensors;
if(CheckConnectionFlag(Enable_CPU_Clocks) || CheckConnectionFlag(Enable_GPU_Clocks) || CheckConnectionFlag(Enable_Thermal_Sensors))
{
stdsensors.Start();
}
// Spin as long as we are connected flushing data from our data stream...
while(!QuitSignaled())
{
const UInt64 flushBeginTime = GetNanoseconds();
const UInt32 waitflags = m_streamSocket->WaitFor(Socket::WaitFlag_Read | Socket::WaitFlag_Write | Socket::WaitFlag_Timeout, 2);
if(waitflags & Socket::WaitFlag_Timeout)
{
// Connection likely failed somehow...
break;
}
if(waitflags & Socket::WaitFlag_Read)
{
PacketHeader header;
VarSetPacket packet;
m_streamSocket->Receive((char*)&header, sizeof(header));
if (header.packetID == Packet_Var_Set)
{
m_streamSocket->Receive((char*)&packet, sizeof(packet));
g_varStore.Set(packet.labelID, packet.value, true);
}
else
{
Logf(Log_Warning, "OVR::Capture::RemoteServer; Received Invalid Capture Packet");
}
}
if(waitflags & Socket::WaitFlag_Write)
{
// Socket is ready to write data... so now is a good time to flush pending capture data.
SocketOutStream outStream(*m_streamSocket);
if(!AsyncStream::FlushAll(outStream))
{
// Error occured... shutdown the connection.
break;
}
}
const UInt64 flushEndTime = GetNanoseconds();
const UInt64 flushDeltaTime = flushEndTime - flushBeginTime;
const UInt64 sleepTime = 4000000; // 4ms
if(flushDeltaTime < sleepTime)
{
// Sleep just a bit to keep the thread from killing a core and to let a good chunk of data build up
ThreadSleepNanoseconds((UInt32)(sleepTime - flushDeltaTime));
}
}
// Clear the connection flags...
AtomicExchange(g_connectionFlags, (UInt32)0);
// Close down our sensor thread...
stdsensors.QuitAndWait();
// Connection was closed at some point, lets clean up our socket...
m_streamSocket->Shutdown();
m_streamSocket->Release();
m_streamSocket = NULL;
if(g_onDisconnect)
{
// After the connection is fully shut down, notify the app.
g_onDisconnect();
}
// Clear the buffers for all AsyncStreams to guarantee that no event is
// stalled waiting for room on a buffer. Then we wait until there there
// are no events still writing out.
AsyncStream::ClearAll();
while(AtomicGet(g_refcount) > 0)
{
ThreadSleepMilliseconds(1);
}
// Finally, release any AsyncStreams that were created during this session
// now that we can safely assume there are no events actively trying to
// write out to a stream.
AsyncStream::Shutdown();
g_varStore.Clear();
} // while(m_listenSocket && !QuitSignaled())
}
