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source-engine-2018-hl2_src/gcsdk/messagelist.cpp

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2020-04-23 00:56:21 +08:00
//====== Copyright , Valve Corporation, All rights reserved. =======
//
// Purpose: Provides names for GC message types
//
//=============================================================================
#include "stdafx.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
namespace GCSDK
{
//-----------------------------------------------------------------------------
// Purpose: allow global initializers for a list of message infos. The message
// list will assemble them all into a single list when it initializes.
//-----------------------------------------------------------------------------
class CMessageListRegistration
{
public:
CMessageListRegistration( MsgInfo_t *pMsgInfo, int cMsgInfo, void *pExtra = NULL );
static CMessageListRegistration *sm_pFirst;
CMessageListRegistration *m_pNext;
MsgInfo_t *m_pMsgInfo;
int m_cMsgInfo;
};
DECLARE_GC_EMIT_GROUP( g_EGMessages, messages );
//function called when a message is tallied but not registered properly. Used to help consolidate behavior for untracked messages
static void HandleUntrackedMsg( const char* pszMsgOperation, uint32 nMsgID )
{
//for now output this as verbose so that we can clean up the initial spam. Then promote this to warnings in the future
EG_VERBOSE( g_EGMessages, "Found %s message with ID %d that was not properly registered. Unable to tally information\n", pszMsgOperation, nMsgID );
}
CMessageListRegistration::CMessageListRegistration( MsgInfo_t *pMsgInfo, int cMsgInfo, void *pExtra )
: m_pMsgInfo( pMsgInfo ),
m_cMsgInfo( cMsgInfo )
{
m_pNext = sm_pFirst;
sm_pFirst = this;
}
CMessageListRegistration *CMessageListRegistration::sm_pFirst = NULL;
//-----------------------------------------------------------------------------
// Purpose: Returns the name of a message type
//-----------------------------------------------------------------------------
const char *PchMsgNameFromEMsg( MsgType_t eMsg )
{
const char *pchMsgName = k_rgchUnknown;
g_theMessageList.GetMessage( eMsg, &pchMsgName, MT_GC );
return pchMsgName;
}
//-----------------------------------------------------------------------------
void MsgRegistrationFromEnumDescriptor( const ::google::protobuf::EnumDescriptor *pEnumDescriptor, int nTypeMask )
{
// build the struct list for messages
MsgInfo_t *pMsgInfos = new MsgInfo_t[ pEnumDescriptor->value_count() ];
memset( pMsgInfos, 0, sizeof( MsgInfo_t ) * pEnumDescriptor->value_count() );
for ( int i = 0; i < pEnumDescriptor->value_count(); ++i )
{
const ::google::protobuf::EnumValueDescriptor *pEnumValueDescriptor = pEnumDescriptor->value(i);
pMsgInfos[ i ].eMsg = pEnumValueDescriptor->number();
pMsgInfos[ i ].pchMsgName = pEnumValueDescriptor->name().c_str();
pMsgInfos[ i ].nFlags = nTypeMask;
}
new CMessageListRegistration( pMsgInfos, pEnumDescriptor->value_count() );
}
//-----------------------------------------------------------------------------
CMessageList g_theMessageList;
//-----------------------------------------------------------------------------
// CMessageList
//
// builds a hash of the MsgInfo_t table so that information about messages
// can be found without searching.
//-----------------------------------------------------------------------------
CMessageList::CMessageList( ) : m_bProfiling( false ), m_ulProfileMicrosecs( 0 )
{
}
//-----------------------------------------------------------------------------
// CMessageList
//
// builds a hash of the MsgInfo_t table so that information about messages
// can be found without searching.
//-----------------------------------------------------------------------------
bool CMessageList::BInit( )
{
m_bProfiling = false;
m_ulProfileMicrosecs = 0;
// figure out our message count
int cMessageInfos = 0;
for( CMessageListRegistration *pReg = CMessageListRegistration::sm_pFirst; pReg != NULL; pReg = pReg->m_pNext)
{
cMessageInfos += pReg->m_cMsgInfo;
}
// message indexes should fit in a short
Assert( cMessageInfos < SHRT_MAX );
m_vecMsgInfo.EnsureCapacity( cMessageInfos );
m_vecMsgInfo.RemoveAll();
m_vecMessageInfoBuckets.RemoveAll();
int nIndex = 0;
for( CMessageListRegistration *pReg = CMessageListRegistration::sm_pFirst; pReg != NULL; pReg = pReg->m_pNext)
{
for ( int nRegIndex = 0; nRegIndex < pReg->m_cMsgInfo; nRegIndex++ )
{
nIndex = m_vecMsgInfo.AddToTail( pReg->m_pMsgInfo[nRegIndex] );
int nSlot;
int nBucket = HashMessage( pReg->m_pMsgInfo[nRegIndex].eMsg, nSlot );
AssureBucket( nBucket );
if ( m_vecMessageInfoBuckets[nBucket][nSlot] != -1 )
{
int otherIndex = m_vecMessageInfoBuckets[nBucket][nSlot];
MsgInfo_t &otherMsg = m_vecMsgInfo[ otherIndex ];
AssertFatalMsg2( false, "Message collision: %s redefined as %s",
otherMsg.pchMsgName,
pReg->m_pMsgInfo[nRegIndex].pchMsgName);
}
else
{
m_vecMessageInfoBuckets[nBucket][nSlot] = (short) nIndex;
}
}
}
//start our window
ResetWindow();
//and start our global timer
m_sCollectTime[ MsgInfo_t::k_EStatsGroupGlobal ].SetToJobTime();
return true;
}
//-----------------------------------------------------------------------------
// Tally the sending of a message
//-----------------------------------------------------------------------------
void CMessageList::TallySendMessage( MsgType_t eMsgType, uint32 unMsgSize, uint32 nSourceMask )
{
short nIndex = GetMessageIndex( eMsgType );
if ( nIndex == - 1 )
{
HandleUntrackedMsg( "send", eMsgType );
return;
}
TallyMessageInternal( m_vecMsgInfo[nIndex],MsgInfo_t::k_EStatsTypeSent, unMsgSize, nSourceMask );
}
//-----------------------------------------------------------------------------
// Tally the receiving of a message
//-----------------------------------------------------------------------------
void CMessageList::TallyReceiveMessage( MsgType_t eMsgType, uint32 unMsgSize, uint32 nSourceMask )
{
short nIndex = GetMessageIndex( eMsgType );
if ( nIndex == - 1 )
{
HandleUntrackedMsg( "receive", eMsgType );
return;
}
TallyMessageInternal( m_vecMsgInfo[nIndex], MsgInfo_t::k_EStatsTypeReceived, unMsgSize, nSourceMask );
}
//-----------------------------------------------------------------------------
// Tally the receiving of a message
//-----------------------------------------------------------------------------
void CMessageList::TallyMultiplexedMessage( MsgType_t eMsgType, uint32 uSent, uint32 cRecipients, uint32 uMsgSize, uint32 nSourceMask )
{
short nIndex = GetMessageIndex( eMsgType );
if ( nIndex == - 1 )
{
HandleUntrackedMsg( "multiplex", eMsgType );
return;
}
MsgInfo_t &msgInfo = m_vecMsgInfo[nIndex];
TallyMessageInternal( msgInfo, MsgInfo_t::k_EStatsTypeMultiplexedSends, uSent, nSourceMask, 1 );
TallyMessageInternal( msgInfo, MsgInfo_t::k_EStatsTypeMultiplexedSendsRaw, uMsgSize * cRecipients, nSourceMask, cRecipients );
}
//-----------------------------------------------------------------------------
// Tally the receiving of a message
//-----------------------------------------------------------------------------
void CMessageList::TallyMessageInternal( MsgInfo_t &msgInfo, MsgInfo_t::EStatsType eBucket, uint32 unMsgSize, uint32 nSourceMask, uint32 cMessages )
{
//log this for global stats
msgInfo.stats[ MsgInfo_t::k_EStatsGroupGlobal ][ eBucket ].nCount += cMessages;
msgInfo.stats[ MsgInfo_t::k_EStatsGroupGlobal ][ eBucket ].uBytes += unMsgSize;
msgInfo.stats[ MsgInfo_t::k_EStatsGroupGlobal ][ eBucket ].nSourceMask |= nSourceMask;
//track this in our current timing window
msgInfo.stats[ MsgInfo_t::k_EStatsGroupWindow ][ eBucket ].nCount += cMessages;
msgInfo.stats[ MsgInfo_t::k_EStatsGroupWindow ][ eBucket ].uBytes += unMsgSize;
msgInfo.stats[ MsgInfo_t::k_EStatsGroupWindow ][ eBucket ].nSourceMask |= nSourceMask;
//track our window totals as well
m_WindowTotals[ eBucket ].nCount += cMessages;
m_WindowTotals[ eBucket ].uBytes += unMsgSize;
m_WindowTotals[ eBucket ].nSourceMask |= nSourceMask;
//and if we are profiling, track the data into our profiling window
if ( m_bProfiling )
{
msgInfo.stats[ MsgInfo_t::k_EStatsGroupProfile ][ eBucket ].nCount += cMessages;
msgInfo.stats[ MsgInfo_t::k_EStatsGroupProfile ][ eBucket ].uBytes += unMsgSize;
msgInfo.stats[ MsgInfo_t::k_EStatsGroupProfile ][ eBucket ].nSourceMask |= nSourceMask;
}
}
//called to obtain the totals for the timing window
const MsgInfo_t::Stats_t& CMessageList::GetWindowTotal( MsgInfo_t::EStatsType eType ) const
{
return m_WindowTotals[ eType ];
}
//called to reset the window timings
void CMessageList::ResetWindow()
{
//reset when our window started
m_sCollectTime[ MsgInfo_t::k_EStatsGroupWindow ].SetToJobTime();
// starting a new window... clear everything
FOR_EACH_VEC( m_vecMsgInfo, nIndex )
{
for( uint32 nType = 0; nType < MsgInfo_t::k_EStatsType_Count; nType++ )
{
m_vecMsgInfo[ nIndex ].stats[ MsgInfo_t::k_EStatsGroupWindow ][ nType ].nCount = 0;
m_vecMsgInfo[ nIndex ].stats[ MsgInfo_t::k_EStatsGroupWindow ][ nType ].uBytes = 0;
m_vecMsgInfo[ nIndex ].stats[ MsgInfo_t::k_EStatsGroupWindow ][ nType ].nSourceMask = 0;
}
}
//and clear our totals
for( uint32 nType = 0; nType < MsgInfo_t::k_EStatsType_Count; nType++ )
{
m_WindowTotals[ nType ].nCount = 0;
m_WindowTotals[ nType ].uBytes = 0;
}
}
//-----------------------------------------------------------------------------
// Turns snapshot profiling on and off
//-----------------------------------------------------------------------------
void CMessageList::EnableProfiling( bool bEnableProfiling )
{
m_bProfiling = bEnableProfiling;
if ( m_bProfiling )
{
m_sCollectTime[ MsgInfo_t::k_EStatsGroupProfile ].SetToJobTime();
// starting a new profile... clear everything
FOR_EACH_VEC( m_vecMsgInfo, nIndex )
{
for( uint32 nType = 0; nType < MsgInfo_t::k_EStatsType_Count; nType++ )
{
m_vecMsgInfo[ nIndex ].stats[ MsgInfo_t::k_EStatsGroupProfile ][ nType ].nCount = 0;
m_vecMsgInfo[ nIndex ].stats[ MsgInfo_t::k_EStatsGroupProfile ][ nType ].uBytes = 0;
m_vecMsgInfo[ nIndex ].stats[ MsgInfo_t::k_EStatsGroupProfile ][ nType ].nSourceMask = 0;
}
}
}
else
{
m_ulProfileMicrosecs = m_sCollectTime[ MsgInfo_t::k_EStatsGroupProfile ].CServerMicroSecsPassed();
}
}
uint64 CMessageList::GetGroupDuration( MsgInfo_t::EStatsGroup eGroup ) const
{
//handle the special case of it being a profile, where if we are no longer profiling, we want to use our cached value
if( ( eGroup == MsgInfo_t::k_EStatsGroupProfile ) && !m_bProfiling )
{
return m_ulProfileMicrosecs;
}
//otherwise we can just use the timer directly
return m_sCollectTime[ eGroup ].CServerMicroSecsPassed();
}
//-----------------------------------------------------------------------------
// print statistics bout each message we handle
//-----------------------------------------------------------------------------
void CMessageList::PrintStats( bool bShowAll, bool bSortByFrequency, MsgInfo_t::EStatsGroup eGroup, MsgInfo_t::EStatsType eType, uint32 nSourceMask ) const
{
// Figure out which time value we should use for rate calcs
uint64 ulMicroseconds = GetGroupDuration( eGroup );
// work out a sorted list
CUtlMap<uint64, uint32> mapValueToMsg( DefLessFunc( uint64 ) );
uint64 unTotalBytes = 0;
uint32 unTotalMessages = 0;
FOR_EACH_VEC( m_vecMsgInfo, n )
{
//see if we are looking for a particular source, and if so, if this has that source set
if( nSourceMask && ( ( m_vecMsgInfo[n].stats[ eGroup ][ eType ].nSourceMask & nSourceMask ) == 0 ) )
continue;
uint32 nCount = m_vecMsgInfo[n].stats[ eGroup ][ eType ].nCount;
uint64 uBytes = m_vecMsgInfo[n].stats[ eGroup ][ eType ].uBytes;
unTotalMessages += nCount;
unTotalBytes += uBytes;
if ( nCount == 0 && !bShowAll )
continue;
mapValueToMsg.Insert( bSortByFrequency ? (uint64)nCount : uBytes, n );
}
double fSeconds = ulMicroseconds / ( 1000.0 * 1000.0 );
// 5, 46, 10, 6, 14, 6, 10, 10
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "%s", "EMsg MessageName Count % Bytes % MsgPS Avg/Msg KBPS\n" );
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "%s", "----- ---------------------------------------------- ---------- ------ -------------- ------ --------- ---------- ----------\n" );
for ( uint16 iValue = mapValueToMsg.LastInorder(); iValue != mapValueToMsg.InvalidIndex(); iValue = mapValueToMsg.PrevInorder( iValue ) )
{
uint32 n = mapValueToMsg[iValue];
//see if we are looking for a particular source, and if so, if this has that source set
if( nSourceMask && ( ( m_vecMsgInfo[n].stats[ eGroup ][ eType ].nSourceMask & nSourceMask ) == 0 ) )
continue;
uint32 nCount = m_vecMsgInfo[n].stats[ eGroup ][ eType].nCount;
uint64 uBytes = m_vecMsgInfo[n].stats[ eGroup ][ eType].uBytes;
uint32 uAvgMsg = 0;
if ( nCount > 0 )
uAvgMsg = uBytes / nCount;
float flCountPerc = 0;
if ( unTotalMessages > 0 )
flCountPerc = nCount * 100.0f / unTotalMessages;
float flBytesPerc = 0;
if ( unTotalBytes > 0 )
flBytesPerc = uBytes * 100.0f / unTotalBytes;
double fMsgPS = 0.0;
if ( ulMicroseconds > 0 )
fMsgPS = nCount / fSeconds;
double fKBPS = 0.0f;
if ( ulMicroseconds > 0 )
fKBPS = uBytes / ( fSeconds * 1000.0 );
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "%5u %-46s %10u %5.1f%% %14llu %5.1f%% %9.1f %10u %10.2f\n",
m_vecMsgInfo[n].eMsg,
m_vecMsgInfo[n].pchMsgName,
nCount,
flCountPerc,
uBytes,
flBytesPerc,
fMsgPS,
uAvgMsg,
fKBPS );
}
uint32 uAvgMsgTotal = 0;
if ( unTotalMessages > 0 )
uAvgMsgTotal = unTotalBytes / unTotalMessages;
double fMsgPS = 0.0;
if ( ulMicroseconds > 0 )
fMsgPS = unTotalMessages / fSeconds;
double fKBPSTotal = 0.0;
if ( ulMicroseconds > 0 )
fKBPSTotal = unTotalBytes / ( fSeconds * 1000.0 );
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "----- ---------------------------------------------- ---------- ------ -------------- ------ --------- ---------- ----------\n" );
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "Totals %10u 100.0%% %14llu 100.0%% %9.1f %10u %10.2f\n",
unTotalMessages,
unTotalBytes,
fMsgPS,
uAvgMsgTotal,
fKBPSTotal );
}
//-----------------------------------------------------------------------------
// print statistics bout each message we handle
//-----------------------------------------------------------------------------
void CMessageList::PrintMultiplexStats( MsgInfo_t::EStatsGroup eGroup, bool bSortByFrequency, uint32 nSourceMask ) const
{
// Figure out which time value we should use for rate calcs
uint64 ulMicroseconds = GetGroupDuration( eGroup );
MsgInfo_t::Stats_t rgTotals[MsgInfo_t::k_EStatsType_Count];
const MsgInfo_t::EStatsType eMultiType = MsgInfo_t::k_EStatsTypeMultiplexedSends;
const MsgInfo_t::EStatsType eRawType = MsgInfo_t::k_EStatsTypeMultiplexedSendsRaw;
// work out a sorted list
CUtlMap<uint64, uint32> mapValueToMsg( DefLessFunc( uint64 ) );
FOR_EACH_VEC( m_vecMsgInfo, n )
{
const MsgInfo_t &msgInfo = m_vecMsgInfo[n];
//see if we are looking for a particular source, and if so, if this has that source set
if( nSourceMask && ( msgInfo.stats[ eGroup ][ eMultiType ].nSourceMask & nSourceMask ) == 0 )
continue;
rgTotals[eMultiType].nCount += msgInfo.stats[ eGroup ][ eMultiType ].nCount;
rgTotals[eMultiType].uBytes += msgInfo.stats[ eGroup ][ eMultiType ].uBytes;
rgTotals[eRawType].nCount += msgInfo.stats[ eGroup ][ eRawType ].nCount;
rgTotals[eRawType].uBytes += msgInfo.stats[ eGroup ][ eRawType ].uBytes;
if ( msgInfo.stats[ eGroup ][ eMultiType ].nCount == 0 )
continue;
uint32 nCount = msgInfo.stats[ eGroup ][ eMultiType ].nCount;
uint64 uBytes = msgInfo.stats[ eGroup ][ eMultiType ].uBytes;
mapValueToMsg.Insert( bSortByFrequency ? (uint64)nCount : uBytes, n );
}
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "%s", "EMsg MessageName Count % KB % Avg/Msg KBPS Msg Saved % KB Saved %\n" );
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "%s", "----- ---------------------------------------------- ---------- ------ -------------- ------ ---------- ---------- ---------- ------ -------------- ------\n" );
uint32 unTotalMessages = 0;
uint64 unTotalBytes = 0;
for ( uint16 iValue = mapValueToMsg.LastInorder(); iValue != mapValueToMsg.InvalidIndex(); iValue = mapValueToMsg.PrevInorder( iValue ) )
{
const MsgInfo_t &msgInfo = m_vecMsgInfo[ mapValueToMsg[iValue] ];
//see if we are looking for a particular source, and if so, if this has that source set
if( nSourceMask && ( msgInfo.stats[ eGroup ][ eMultiType ].nSourceMask & nSourceMask ) == 0 )
continue;
uint32 nCount = msgInfo.stats[ eGroup ][ eMultiType ].nCount;
uint64 uBytes = msgInfo.stats[ eGroup ][ eMultiType ].uBytes;
unTotalMessages += nCount;
unTotalBytes += uBytes;
int32 nMessagesSaved = msgInfo.stats[ eGroup ][ eRawType ].nCount - msgInfo.stats[ eGroup ][ eMultiType ].nCount;
int64 uBytesSaved = msgInfo.stats[ eGroup ][ eRawType ].uBytes - msgInfo.stats[ eGroup ][ eMultiType ].uBytes;
uint32 nMessagesIfNotMultiplex = msgInfo.stats[ eGroup ][ eRawType ].nCount;
uint64 uBytesIfNotMultiplex = msgInfo.stats[ eGroup ][ eRawType ].uBytes;
uint32 uAvgMsg = 0;
if ( nCount > 0 )
uAvgMsg = uBytes / nCount;
float flCountPerc = 0;
if ( rgTotals[eMultiType].nCount > 0 )
flCountPerc = nCount * 100.0f / rgTotals[eMultiType].nCount;
float flBytesPerc = 0;
if ( rgTotals[eMultiType].uBytes > 0 )
flBytesPerc = uBytes * 100.0f / rgTotals[eMultiType].uBytes;
float fKBPS = 0.0f;
if ( ulMicroseconds > 0 )
fKBPS = uBytes * 1000.0f / ulMicroseconds;
float flMessagesSavedPerc = 0.0f;
if ( nMessagesIfNotMultiplex > 0 )
flMessagesSavedPerc = nMessagesSaved * 100.0f / nMessagesIfNotMultiplex;
float flBytesSavedPerc = 0.0f;
if ( uBytesIfNotMultiplex > 0 )
flBytesSavedPerc = uBytesSaved * 100.0f / uBytesIfNotMultiplex;
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "%5u %-46s %10u %5.1f%% %14llu %5.1f%% %10u %10.2f %10d %5.1f%% %14lld %5.1f%%\n",
msgInfo.eMsg,
msgInfo.pchMsgName,
nCount,
flCountPerc,
uBytes / 1024,
flBytesPerc,
uAvgMsg,
fKBPS,
nMessagesSaved,
flMessagesSavedPerc,
uBytesSaved / 1024,
flBytesSavedPerc );
}
uint32 uAvgMsgTotal = 0;
if ( unTotalMessages > 0 )
uAvgMsgTotal = unTotalBytes / unTotalMessages;
float fKBPSTotal = 0.0f;
if ( ulMicroseconds > 0 )
fKBPSTotal = unTotalBytes * 1000.0f / ulMicroseconds;
float flTotalMessagesPct = 0.0f;
if ( rgTotals[eMultiType].nCount > 0 )
flTotalMessagesPct = unTotalMessages * 100.0f / rgTotals[eMultiType].nCount;
float flTotalBytesPct = 0.0f;
if ( rgTotals[eMultiType].uBytes > 0 )
flTotalBytesPct = unTotalBytes * 100.0f / rgTotals[eMultiType].uBytes;
int32 nTotalMessagesSaved = rgTotals[eRawType].nCount - rgTotals[eMultiType].nCount;
int64 nTotalBytesSaved = rgTotals[eRawType].uBytes - rgTotals[eMultiType].uBytes;
int32 nTotalMessagesIfNotMultiplex = unTotalMessages - rgTotals[eMultiType].nCount + rgTotals[eRawType].nCount;
int64 uTotalBytesIfNotMultiplex = unTotalBytes - rgTotals[eMultiType].uBytes + rgTotals[eRawType].uBytes;
float flTotalMessagesSavedPct = 0.0f;
if ( nTotalMessagesIfNotMultiplex > 0 )
flTotalMessagesSavedPct = nTotalMessagesSaved * 100.0f / nTotalMessagesIfNotMultiplex;
float flTotalBytesSavedPct = 0.0f;
if ( uTotalBytesIfNotMultiplex > 0 )
flTotalBytesSavedPct = nTotalBytesSaved * 100.0f / uTotalBytesIfNotMultiplex;
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "----- ---------------------------------------------- ---------- ------ -------------- ------ ---------- ---------- ---------- ------ -------------- ------\n" );
EmitInfo( SPEW_CONSOLE, SPEW_ALWAYS, LOG_ALWAYS, "Totals %10u %5.1f%% %14llu %5.1f%% %10u %10.2f %10d %5.1f%% %14lld %5.1f%%\n",
unTotalMessages,
flTotalMessagesPct,
unTotalBytes / 1024,
flTotalBytesPct,
uAvgMsgTotal,
fKBPSTotal,
nTotalMessagesSaved,
flTotalMessagesSavedPct,
nTotalBytesSaved / 1024,
flTotalBytesSavedPct );
}
//-----------------------------------------------------------------------------
// Destroys a message list by deallocating everything it's got
//-----------------------------------------------------------------------------
CMessageList::~CMessageList()
{
int nUsedBuckets = 0;
for ( int nIndex = 0; nIndex < m_vecMessageInfoBuckets.Count(); nIndex++ )
{
if ( m_vecMessageInfoBuckets[nIndex] != NULL )
{
FreePv( m_vecMessageInfoBuckets[nIndex] );
m_vecMessageInfoBuckets[nIndex] = NULL;
nUsedBuckets++;
}
}
m_vecMessageInfoBuckets.RemoveAll();
}
//-----------------------------------------------------------------------------
// assure that we've got the slots in the given bucket allocated
//-----------------------------------------------------------------------------
void CMessageList::AssureBucket( int nBucket )
{
// if this bucket is bigger then the array, extend the array
if ( nBucket >= m_vecMessageInfoBuckets.Count() )
{
int nOldCount = m_vecMessageInfoBuckets.Count();
// message ID "clumps" are usually 100 apart, so we'll try
// to grow by 100 each time. Divide 100 by the bucket size and add
// one for truncation to figure out our grow-by.
int nNewCount = nBucket + (1 + (100 / m_kcBucketSize));
// get that count
m_vecMessageInfoBuckets.EnsureCount( nNewCount );
// initialize the new ones to NULL
for ( int nIndex = nOldCount; nIndex < nNewCount; nIndex++ )
{
m_vecMessageInfoBuckets[nIndex] = NULL;
}
}
// is the bucket we want allocated?
if ( m_vecMessageInfoBuckets[nBucket] == NULL )
{
// nope; get one and initialize it
m_vecMessageInfoBuckets[nBucket] = (short*) PvAlloc( sizeof(short) * m_kcBucketSize );
for ( int nIndex = 0; nIndex < m_kcBucketSize; nIndex++)
m_vecMessageInfoBuckets[nBucket][nIndex] = -1;
}
return;
}
//-----------------------------------------------------------------------------
// Purpose: Hash an MsgType_t and return the index into m_vecMsgInfo where it can be found
// returns -1 if the MsgType_t is unknown
//-----------------------------------------------------------------------------
short CMessageList::GetMessageIndex( MsgType_t eMsg )
{
// find the slot and bucket for this message in our hash
int nSlot;
int nBucket = HashMessage( eMsg, nSlot );
// taller than the hash?
if ( nBucket >= m_vecMessageInfoBuckets.Count() )
return -1;
// not a bucket?
if ( m_vecMessageInfoBuckets[nBucket] == NULL )
return -1;
// get the index back to the global array
short nIndex = m_vecMessageInfoBuckets[nBucket][nSlot];
return nIndex;
}
//-----------------------------------------------------------------------------
// Tests to see if a message is valid; if so, return a pointer to its name.
// A message must match at least one of the nTypeMask flags to be considered
// valid. If provided, ppMsgName is set to k_rgchUnknown if no match,
// or the message name if matched.
//-----------------------------------------------------------------------------
bool CMessageList::GetMessage( MsgType_t eMsg, const char **ppMsgName, int nTypeMask )
{
VPROF_BUDGET( "GetMessage", VPROF_BUDGETGROUP_JOBS_COROUTINES );
// if an out variable for the name is provided,
// initialize it with a pointer to "unknown" string
if ( ppMsgName != NULL )
*ppMsgName = k_rgchUnknown;
short nIndex = GetMessageIndex( eMsg );
// good index?
if ( nIndex == -1 )
{
if ( ppMsgName != NULL )
{
*ppMsgName = "Unknown MsgType - Not Found";
}
return false;
}
const MsgInfo_t &msgInfo = m_vecMsgInfo[nIndex];
// get the string out
if ( ppMsgName != NULL )
*ppMsgName = msgInfo.pchMsgName;
// it's good if it matches the flags
return ( 0 != ( msgInfo.nFlags & nTypeMask ) );
}
} // namespace GCSDK
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