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Multiplayer replay: added properties showing memory usage info.

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This commit is contained in:
Julian Smith 2020-05-18 21:05:40 +01:00
parent e7b1f3f52e
commit 4de00657c9
4 changed files with 103 additions and 14 deletions
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25
src/Aircraft/flightrecorder.cxx
View file

@ -317,18 +317,18 @@ FGFlightRecorder::processSignalList(const char* pSignalType, TSignalList& Signal
* If pBuffer!=NULL memory of given buffer is reused.
*/
FGReplayData*
FGFlightRecorder::capture(double SimTime, FGReplayData* pRecycledBuffer)
FGFlightRecorder::capture(double SimTime, FGReplayData* ReplayData)
{
if (!pRecycledBuffer)
if (!ReplayData)
{
pRecycledBuffer = new FGReplayData;
if (!pRecycledBuffer)
ReplayData = new FGReplayData;
if (!ReplayData)
return NULL;
}
int Offset = 0;
pRecycledBuffer->sim_time = SimTime;
pRecycledBuffer->raw_data.resize( m_TotalRecordSize);
char* pBuffer = &pRecycledBuffer->raw_data.front();
ReplayData->sim_time = SimTime;
ReplayData->raw_data.resize( m_TotalRecordSize);
char* pBuffer = &ReplayData->raw_data.front();
// 64bit aligned data first!
{
@ -407,10 +407,10 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* pRecycledBuffer)
// If m_ReplayMultiplayer is true, move all recent
// multiplayer messages from m_MultiplayMgr into
// pRecycledBuffer->multiplayer_messages. Otherwise clear m_MultiplayMgr's
// ReplayData->multiplayer_messages. Otherwise clear m_MultiplayMgr's
// list of recent messages.
//
pRecycledBuffer->multiplayer_messages.clear();
ReplayData->multiplayer_messages.clear();
bool replayMultiplayer = m_ReplayMultiplayer->getBoolValue();
for(;;) {
auto MultiplayerMessage = m_MultiplayMgr->popMessageHistory();
@ -418,11 +418,12 @@ FGFlightRecorder::capture(double SimTime, FGReplayData* pRecycledBuffer)
break;
}
if (replayMultiplayer) {
pRecycledBuffer->multiplayer_messages.push_back( MultiplayerMessage);
ReplayData->multiplayer_messages.push_back( MultiplayerMessage);
}
}
return pRecycledBuffer;
ReplayData->UpdateStats();
return ReplayData;
}
/** Do interpolation as defined by given interpolation type and weighting ratio. */

63
src/Aircraft/replay.cxx
View file

@ -55,6 +55,69 @@ using simgear::gzContainerWriter;
/** Magic string to verify valid FG flight recorder tapes. */
static const char* const FlightRecorderFileMagic = "FlightGear Flight Recorder Tape";
void FGReplayData::UpdateStats()
{
size_t bytes_raw_data_old = m_bytes_raw_data;
size_t bytes_multiplayer_messages_old = m_bytes_multiplayer_messages;
size_t num_multiplayer_messages_old = m_num_multiplayer_messages;
m_bytes_raw_data = raw_data.size();
m_bytes_multiplayer_messages = 0;
for ( auto m: multiplayer_messages) {
m_bytes_multiplayer_messages += m->size();
}
m_num_multiplayer_messages = multiplayer_messages.size();
// Update global stats by adding how much we have changed since last time
// UpdateStats() was called.
//
s_bytes_raw_data += m_bytes_raw_data - bytes_raw_data_old;
s_bytes_multiplayer_messages += m_bytes_multiplayer_messages - bytes_multiplayer_messages_old;
s_num_multiplayer_messages += m_num_multiplayer_messages - num_multiplayer_messages_old;
if (!s_prop_num) s_prop_num = fgGetNode("/sim/replay/datastats_num", true);
if (!s_prop_bytes_raw_data) s_prop_bytes_raw_data = fgGetNode("/sim/replay/datastats_bytes_raw_data", true);
if (!s_prop_bytes_multiplayer_messages) s_prop_bytes_multiplayer_messages = fgGetNode("/sim/replay/datastats_bytes_multiplayer_messages", true);
if (!s_prop_num_multiplayer_messages) s_prop_num_multiplayer_messages = fgGetNode("/sim/replay/datastats_num_multiplayer_messages", true);
s_prop_num->setLongValue(s_num);
s_prop_bytes_raw_data->setLongValue(s_bytes_raw_data);
s_prop_bytes_multiplayer_messages->setLongValue(s_bytes_multiplayer_messages);
s_prop_num_multiplayer_messages->setLongValue(s_num_multiplayer_messages);
}
FGReplayData::FGReplayData()
{
s_num += 1;
}
FGReplayData::~FGReplayData()
{
s_bytes_raw_data -= m_bytes_raw_data;
s_bytes_multiplayer_messages -= m_bytes_multiplayer_messages;
s_num_multiplayer_messages -= m_num_multiplayer_messages;
s_num -= 1;
}
void FGReplayData::resetStatisticsProperties()
{
s_prop_num.reset();
s_prop_bytes_raw_data.reset();
s_prop_bytes_multiplayer_messages.reset();
s_prop_num_multiplayer_messages.reset();
}
size_t FGReplayData::s_num = 0;
size_t FGReplayData::s_bytes_raw_data = 0;
size_t FGReplayData::s_bytes_multiplayer_messages = 0;
size_t FGReplayData::s_num_multiplayer_messages = 0;
SGPropertyNode_ptr FGReplayData::s_prop_num;
SGPropertyNode_ptr FGReplayData::s_prop_bytes_raw_data;
SGPropertyNode_ptr FGReplayData::s_prop_bytes_multiplayer_messages;
SGPropertyNode_ptr FGReplayData::s_prop_num_multiplayer_messages;
namespace ReplayContainer
{
enum Type

27
src/Aircraft/replay.hxx
View file

@ -39,7 +39,7 @@
class FGFlightRecorder;
typedef struct {
struct FGReplayData {
double sim_time;
// Our aircraft state.
@ -47,7 +47,30 @@ typedef struct {
// Incoming multiplayer messages.
std::vector<std::shared_ptr<std::vector<char>>> multiplayer_messages;
} FGReplayData;
// Updates static statistics defined below.
void UpdateStats();
// Resets out static property nodes; to be called by fgStartNewReset().
static void resetStatisticsProperties();
FGReplayData();
~FGReplayData();
size_t m_bytes_raw_data = 0;
size_t m_bytes_multiplayer_messages = 0;
size_t m_num_multiplayer_messages = 0;
// Statistics about replay data, also properties /sim/replay/datastats_*.
static size_t s_num;
static size_t s_bytes_raw_data;
static size_t s_bytes_multiplayer_messages;
static size_t s_num_multiplayer_messages;
static SGPropertyNode_ptr s_prop_num;
static SGPropertyNode_ptr s_prop_bytes_raw_data;
static SGPropertyNode_ptr s_prop_bytes_multiplayer_messages;
static SGPropertyNode_ptr s_prop_num_multiplayer_messages;
};
typedef struct {
double sim_time;

2
src/Main/fg_init.cxx
View file

@ -1359,6 +1359,8 @@ void fgStartNewReset()
fgOSResetProperties();
FGReplayData::resetStatisticsProperties();
// init some things manually
// which do not follow the regular init pattern