Team Fortress 2 Source Code as on 22/4/2020
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

601 lines
21 KiB

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Holds the CGCClient class
//
//=============================================================================
#include "stdafx.h"
#include "gcclient.h"
#include "steam/isteamgamecoordinator.h"
#include "gcsdk_gcmessages.pb.h"
namespace GCSDK
{
//#define SOCDebug(...) Msg( __VA_ARGS__ )
#define SOCDebug(...) ((void)0)
//------------------------------------------------------------------------------
// Purpose: Constructor
//------------------------------------------------------------------------------
CGCClient::CGCClient( ISteamGameCoordinator *pSteamGameCoordinator, bool bGameserver )
: m_pSteamGameCoordinator( NULL ),
m_memMsg( 0, 1024 ),
#ifndef STEAM
m_callbackGCMessageAvailable( NULL, NULL ),
#endif
m_mapSOCache( DefLessFunc(CSteamID) )
{
#ifndef STEAM
if( bGameserver )
{
m_callbackGCMessageAvailable.SetGameserverFlag();
}
#endif
if( pSteamGameCoordinator )
{
DbgVerify( BInit( pSteamGameCoordinator ) );
}
}
//------------------------------------------------------------------------------
// Purpose: Constructor
//------------------------------------------------------------------------------
CGCClient::~CGCClient( )
{
Uninit();
FOR_EACH_MAP_FAST( m_mapSOCache, i )
{
delete m_mapSOCache[i];
}
m_mapSOCache.RemoveAll();
}
//------------------------------------------------------------------------------
// Purpose: Performs the every-frame work required by the GC Client. Mostly that
// means running yielding jobs.
// Inputs: ulLimitMicroseconds - The target number of microseconds worth of
// work to do this time through the loop.
// Outputs: Returns true if there is still work to do that was skipped because
// time ran out.
//------------------------------------------------------------------------------
bool CGCClient::BMainLoop( uint64 ulLimitMicroseconds, uint64 ulFrameTimeMicroseconds )
{
// Don't do any work if not initialized
if ( !m_pSteamGameCoordinator )
return false;
CLimitTimer limitTimer;
limitTimer.SetLimit( ulLimitMicroseconds );
CJobTime::UpdateJobTime( ulFrameTimeMicroseconds ? ulFrameTimeMicroseconds : k_cMicroSecPerShellFrame );
bool bWorkRemaining = m_JobMgr.BFrameFuncRunSleepingJobs( limitTimer );
bWorkRemaining |= m_JobMgr.BFrameFuncRunYieldingJobs( limitTimer );
return bWorkRemaining;
}
//------------------------------------------------------------------------------
// Purpose: Sends a message to the GC
// Inputs: unMsgType - the type ID of the message to send
// pubData - The data for the message we're sending
// cubData - The number of bytes of data in this message including any
// variable-lengthed data.
// Outputs: Returns false if the send failed. A return value of true doesn't
// mean that the message was necessarily received by the GC just that
// it didn't fail in obvious ways on the client.
//------------------------------------------------------------------------------
bool CGCClient::BSendMessage( uint32 unMsgType, const uint8 *pubData, uint32 cubData )
{
if( m_pSteamGameCoordinator )
return m_pSteamGameCoordinator->SendMessage( unMsgType, pubData, cubData ) == k_EGCResultOK;
else
return false;
}
//------------------------------------------------------------------------------
// Purpose: Sends a message to the GC
// Inputs: msg - The message to send
// Outputs: Returns false if the send failed. A return value of true doesn't
// mean that the message was necessarily received by the GC just that
// it didn't fail in obvious ways on the client.
//------------------------------------------------------------------------------
bool CGCClient::BSendMessage( const CGCMsgBase& msg )
{
return BSendMessage( msg.Hdr().m_eMsg, msg.PubPkt() + sizeof(GCMsgHdr_t), msg.CubPkt() - sizeof(GCMsgHdr_t) );
}
//-----------------------------------------------------------------------------
// Purpose: Used to send protobuf messages to the GC
//-----------------------------------------------------------------------------
class CProtoBufGCClientSendHandler : public CProtoBufMsgBase::IProtoBufSendHandler
{
public:
CProtoBufGCClientSendHandler( CGCClient *pGCClient )
: m_pClient( pGCClient ) {}
virtual bool BAsyncSend( MsgType_t eMsg, const uint8 *pubMsgBytes, uint32 cubSize )
{
g_theMessageList.TallySendMessage( eMsg & ~k_EMsgProtoBufFlag, cubSize );
VPROF_BUDGET( "CGCClient", VPROF_BUDGETGROUP_STEAM );
{
VPROF_BUDGET( "CGCClient - BSendGCMsgToClient (ProtoBuf)", VPROF_BUDGETGROUP_STEAM );
return m_pClient->BSendMessage( eMsg | k_EMsgProtoBufFlag, pubMsgBytes, cubSize );
}
}
private:
CGCClient *m_pClient;
};
//-----------------------------------------------------------------------------
// Purpose: Sends a message to the given SteamID
//-----------------------------------------------------------------------------
bool CGCClient::BSendMessage( const CProtoBufMsgBase& msg )
{
CProtoBufGCClientSendHandler sender( this );
return msg.BAsyncSend( sender );
}
//------------------------------------------------------------------------------
// Purpose: Callback handler for the GCMessageAvailable_t callback. Handles
// incoming messages.
// Inputs: pCallback - the callback from Steam
//------------------------------------------------------------------------------
void CGCClient::OnGCMessageAvailable( GCMessageAvailable_t *pCallback )
{
uint32 cubData;
uint32 unMsgType;
while( m_pSteamGameCoordinator && m_pSteamGameCoordinator->IsMessageAvailable( &cubData ) )
{
// Get the size of the full message. sizeof( GCMsgHdr_t ) was not sent in the binary data
uint32 unFullSize = cubData + sizeof( GCMsgHdr_t );
m_memMsg.EnsureCapacity( unFullSize );
uint8 *pFullPacket = m_memMsg.Base();
uint8 *pPacketFromGC = pFullPacket+sizeof(GCMsgHdr_t);
EGCResults eResult = m_pSteamGameCoordinator->RetrieveMessage( &unMsgType, pPacketFromGC, m_memMsg.Count() - sizeof( GCMsgHdr_t ), &cubData );
Assert( eResult == k_EGCResultOK );
if( eResult == k_EGCResultOK )
{
if( unMsgType & k_EMsgProtoBufFlag )
{
CNetPacket *pGCPacket = CNetPacketPool::AllocNetPacket();
pGCPacket->Init( cubData, pPacketFromGC );
CIMsgNetPacketAutoRelease pMsgNetPacket( pGCPacket );
// Safety check against malformed packet
if ( pMsgNetPacket.Get() != NULL )
{
// dispatch the packet
GetJobMgr().BRouteMsgToJob( this, pMsgNetPacket.Get(), JobMsgInfo_t( pMsgNetPacket->GetEMsg(), pMsgNetPacket->GetSourceJobID(), pMsgNetPacket->GetTargetJobID(), k_EServerTypeGCClient ) );
// keep track of how much we've sent/received this message
g_theMessageList.TallySendMessage( pMsgNetPacket->GetEMsg(), cubData );
}
// release the packet
pGCPacket->Release();
}
else
{
Assert( 0 == (unMsgType & k_EMsgProtoBufFlag ) );
// get the header so we can fix it up
GCMsgHdrEx_t *pHdr = (GCMsgHdrEx_t *)pFullPacket;
pHdr->m_eMsg = unMsgType;
pHdr->m_ulSteamID = CSteamID().ConvertToUint64();
// make a new packet for the message so we can dispatch it
// The CNetPacket takes ownership of the buffer allocated above
CNetPacket *pGCPacket = CNetPacketPool::AllocNetPacket();
pGCPacket->Init( unFullSize, pFullPacket );
CIMsgNetPacketAutoRelease pMsgNetPacket( pGCPacket );
// Safety check against malformed packet
if ( pMsgNetPacket.Get() != NULL )
{
// dispatch the packet
GetJobMgr().BRouteMsgToJob( this, pMsgNetPacket.Get(), JobMsgInfo_t( pMsgNetPacket->GetEMsg(), pMsgNetPacket->GetSourceJobID(), pMsgNetPacket->GetTargetJobID(), k_EServerTypeGCClient ) );
// keep track of how much we've sent/received this message
g_theMessageList.TallySendMessage( pMsgNetPacket->GetEMsg(), cubData );
}
// release the packet
pGCPacket->Release();
}
}
}
}
//------------------------------------------------------------------------------
// Purpose: Performs all the initialization for the GC Client instance
// Outputs: Returns false if the initialization failed
//------------------------------------------------------------------------------
bool CGCClient::BInit( ISteamGameCoordinator *pSteamGameCoordinator )
{
// Set the job pool size. Threads get lazily created so if no code
// is using the thread pool, no threads will be created.
m_JobMgr.SetThreadPoolSize( GetCPUInformation()->m_nLogicalProcessors - 1 );
MsgRegistrationFromEnumDescriptor( EGCSystemMsg_descriptor(), GCSDK::MT_GC );
m_pSteamGameCoordinator = pSteamGameCoordinator;
#ifndef STEAM
m_callbackGCMessageAvailable.Register( this, &CGCClient::OnGCMessageAvailable );
#endif
// process any messages that are already waiting
if( m_pSteamGameCoordinator )
{
OnGCMessageAvailable( NULL );
}
return true;
}
//------------------------------------------------------------------------------
// Purpose: Performs all the uninitialization for the GC Client instance
//------------------------------------------------------------------------------
void CGCClient::Uninit( )
{
#ifndef STEAM
m_callbackGCMessageAvailable.Unregister();
#endif
m_pSteamGameCoordinator = NULL;
// Clear and remove the SO caches
unsigned short nMapIndex = m_mapSOCache.FirstInorder();
while ( m_mapSOCache.IsValidIndex( nMapIndex ) )
{
unsigned short nNextMapIndex = m_mapSOCache.NextInorder( nMapIndex );
CGCClientSharedObjectCache *pSOCache = m_mapSOCache[nMapIndex];
Assert( pSOCache );
if ( pSOCache )
{
// Send notifications, but only if we were actually subscribed
if ( pSOCache->BIsSubscribed() )
{
pSOCache->NotifyUnsubscribe();
}
// Delete the entry
delete pSOCache;
m_mapSOCache.RemoveAt( nMapIndex );
}
nMapIndex = nNextMapIndex;
}
}
//------------------------------------------------------------------------------
// Purpose: Finds the SO cache for this steam ID. If bCreateIfMissing is false,
// NULL will be returned if the cache can't be found
//------------------------------------------------------------------------------
CGCClientSharedObjectCache *CGCClient::FindSOCache( const CSteamID & steamID, bool bCreateIfMissing )
{
CUtlMap< CSteamID, CGCClientSharedObjectCache * >::IndexType_t nCache = m_mapSOCache.Find( steamID );
if( m_mapSOCache.IsValidIndex( nCache ) )
return m_mapSOCache[nCache];
else
{
if( bCreateIfMissing )
{
Assert( steamID.IsValid() );
if ( !steamID.IsValid() )
return NULL;
CGCClientSharedObjectCache *pCache = new CGCClientSharedObjectCache( steamID );
m_mapSOCache.Insert( steamID, pCache );
return pCache;
}
else
{
return NULL;
}
}
}
//------------------------------------------------------------------------------
// Purpose: Add a listener to the SO cache, creating it if necessary
//------------------------------------------------------------------------------
void CGCClient::AddSOCacheListener( const CSteamID &ownerID, ISharedObjectListener *pListener )
{
Assert( ownerID.IsValid() );
CGCClientSharedObjectCache *pCache = FindSOCache( ownerID, true );
Assert( pCache );
pCache->AddListener( pListener );
}
//------------------------------------------------------------------------------
// Purpose: Remove listener from the SO cache, if he is listening
//------------------------------------------------------------------------------
bool CGCClient::RemoveSOCacheListener( const CSteamID &ownerID, ISharedObjectListener *pListener )
{
Assert ( this != NULL ); // Damn people - check your pointers before calling!
Assert( ownerID.IsValid() );
CGCClientSharedObjectCache *pCache = FindSOCache( ownerID, false );
if ( pCache == NULL )
return false; // cache doesn't exist, so we could't have ben listening
return pCache->RemoveListener( pListener );
}
//------------------------------------------------------------------------------
// Purpose: Notify that the given SO cache has been unsubscribed
//------------------------------------------------------------------------------
void CGCClient::NotifySOCacheUnsubscribed( const CSteamID & ownerID )
{
CUtlMap< CSteamID, CGCClientSharedObjectCache * >::IndexType_t nCache = m_mapSOCache.Find( ownerID );
if( m_mapSOCache.IsValidIndex( nCache ) )
{
CGCClientSharedObjectCache *pSOCache = m_mapSOCache[nCache];
// Ignore requests to remove caches that were never subscribed
if ( pSOCache->BIsSubscribed() )
{
SOCDebug( "NotifySOCacheUnsubscribed(%s) [in cache, subscribed]\n", ownerID.Render() );
pSOCache->NotifyUnsubscribe();
}
else
{
SOCDebug( "NotifySOCacheUnsubscribed(%s) [in cache, not subscribed]\n", ownerID.Render() );
}
}
else
{
SOCDebug( "NotifySOCacheUnsubscribed(%s) [not in cache]\n", ownerID.Render() );
}
}
//------------------------------------------------------------------------------
// Purpose: Dump everything about everyone
//------------------------------------------------------------------------------
void CGCClient::Dump()
{
FOR_EACH_MAP( m_mapSOCache, idx )
{
m_mapSOCache[ idx ]->Dump();
}
}
//------------------------------------------------------------------------------
// Purpose: Finds the shared object for this steam ID and key object
//------------------------------------------------------------------------------
CSharedObject *CGCClient::FindSharedObject( const CSteamID & ownerID, const CSharedObject & soIndex )
{
CGCClientSharedObjectCache *pCache = FindSOCache( ownerID, false );
if( pCache )
return pCache->FindSharedObject( soIndex );
else
return NULL;
}
//------------------------------------------------------------------------------
// Purpose: Validates all the statics in the GCSDKLib that need to be validated
// when linked directly into the steam servers.
//------------------------------------------------------------------------------
#ifdef DBGFLAG_VALIDATE
void CGCClient::ValidateStatics( CValidator &validator )
{
// Validate the global message list
g_theMessageList.Validate( validator, "g_theMessageList" );
// Validate the network global memory pool
g_MemPoolMsg.Validate( validator, "g_MemPoolMsg" );
CNetPacketPool::ValidateGlobals( validator );
CJobMgr::ValidateStatics( validator, "CJobMgr" );
CJob::ValidateStatics( validator, "CJob" );
ValidateTempTextBuffers( validator );
CSharedObject::ValidateStatics( validator );
// validate the SQL access layer
CRecordBase::ValidateStatics( validator, "CRecordBase" );
GSchemaFull().Validate( validator, "GSchemaFull" );
CRecordInfo::ValidateStatics( validator, "CRecordInfo" );
}
#endif // DBGFLAG_VALIDATE
class CGCSOCreateJob : public CGCClientJob
{
public:
CGCSOCreateJob( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg<CMsgSOSingleObject> msg( pNetPacket );
SOCDebug( "CGCSOCreateJob(owner=%s, type=%d)\n", CSteamID( msg.Body().owner() ).Render(), msg.Body().type_id() );
CGCClientSharedObjectCache *pSOCache = m_pGCClient->FindSOCache( msg.Body().owner() );
if ( pSOCache )
{
pSOCache->BCreateFromMsg( msg.Body().type_id(), msg.Body().object_data().data(), msg.Body().object_data().size() );
Assert( msg.Body().has_version() );
pSOCache->SetVersion( msg.Body().version() );
}
return true;
}
};
GC_REG_JOB( CGCClient, CGCSOCreateJob, "CGCSOCreateJob", k_ESOMsg_Create, GCSDK::k_EServerTypeGCClient );
class CGCSODestroyJob : public CGCClientJob
{
public:
CGCSODestroyJob( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg<CMsgSOSingleObject> msg( pNetPacket );
SOCDebug( "CGCSODestroyJob(owner=%s, type=%d)\n", CSteamID( msg.Body().owner() ).Render(), msg.Body().type_id() );
CGCClientSharedObjectCache *pCache = m_pGCClient->FindSOCache( msg.Body().owner(), false );
if( pCache )
{
pCache->BDestroyFromMsg( msg.Body().type_id(), msg.Body().object_data().data(), msg.Body().object_data().size() );
Assert( msg.Body().has_version() );
pCache->SetVersion( msg.Body().version() );
}
return true;
}
};
GC_REG_JOB( CGCClient, CGCSODestroyJob, "CGCSODestroyJob", k_ESOMsg_Destroy, GCSDK::k_EServerTypeGCClient );
class CGCSOUpdateJob : public CGCClientJob
{
public:
CGCSOUpdateJob( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg<CMsgSOSingleObject> msg( pNetPacket );
SOCDebug( "CGCSOUpdateJob(owner=%s, type=%d)\n", CSteamID( msg.Body().owner() ).Render(), msg.Body().type_id() );
CGCClientSharedObjectCache *pSOCache = m_pGCClient->FindSOCache( msg.Body().owner() );
if ( pSOCache )
{
pSOCache->BUpdateFromMsg( msg.Body().type_id(), msg.Body().object_data().data(), msg.Body().object_data().size() );
Assert( msg.Body().has_version() );
pSOCache->SetVersion( msg.Body().version() );
}
return true;
}
};
GC_REG_JOB( CGCClient, CGCSOUpdateJob, "CGCSOUpdateJob", k_ESOMsg_Update, GCSDK::k_EServerTypeGCClient );
class CGCSOUpdateMultipleJob : public CGCClientJob
{
public:
CGCSOUpdateMultipleJob( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg<CMsgSOMultipleObjects> msg( pNetPacket );
SOCDebug( "CGCSOUpdateJob(owner=%s)\n", CSteamID( msg.Body().owner() ).Render() );
CGCClientSharedObjectCache *pSOCache = m_pGCClient->FindSOCache( msg.Body().owner() );
if ( pSOCache )
{
pSOCache->m_context.PreSOUpdate( eSOCacheEvent_Incremental );
for ( int i = 0; i < msg.Body().objects_size(); ++i )
{
const CMsgSOMultipleObjects_SingleObject &objMessage = msg.Body().objects( i );
SOCDebug( " type %d\n", objMessage.type_id() );
pSOCache->BUpdateFromMsg( objMessage.type_id(), objMessage.object_data().data(), objMessage.object_data().size() );
}
pSOCache->m_context.PostSOUpdate( eSOCacheEvent_Incremental );
pSOCache->SetVersion( msg.Body().version() );
}
return true;
}
};
GC_REG_JOB( CGCClient, CGCSOUpdateMultipleJob, "CGCSOUpdateMultipleJob", k_ESOMsg_UpdateMultiple, GCSDK::k_EServerTypeGCClient );
class CGCSOCacheSubscribedJob : public CGCClientJob
{
public:
CGCSOCacheSubscribedJob( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg< CMsgSOCacheSubscribed > msg ( pNetPacket );
CGCClientSharedObjectCache *pSOCache = m_pGCClient->FindSOCache( msg.Body().owner(), true );
Assert( pSOCache );
if( pSOCache )
{
SOCDebug( "CGCSOCacheSubscribedJob(owner=%s) [in cache]\n", CSteamID( msg.Body().owner() ).Render() );
DbgVerify( pSOCache->BParseCacheSubscribedMsg( msg.Body() ) );
}
else
{
SOCDebug( "CGCSOCacheSubscribedJob(owner=%s) [not in cache]\n", CSteamID( msg.Body().owner() ).Render() );
}
m_pGCClient->Test_CacheSubscribed( pSOCache->GetOwner() );
return true;
}
};
GC_REG_JOB( CGCClient, CGCSOCacheSubscribedJob, "CGCSOCacheSubscribedJob", k_ESOMsg_CacheSubscribed, GCSDK::k_EServerTypeGCClient );
class CGCSOCacheUnsubscribedJob : public CGCClientJob
{
public:
CGCSOCacheUnsubscribedJob( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg< CMsgSOCacheUnsubscribed > msg( pNetPacket );
SOCDebug( "CGCSOCacheUnsubscribedJob(owner=%s)\n", CSteamID( msg.Body().owner() ).Render() );
m_pGCClient->NotifySOCacheUnsubscribed( msg.Body().owner() );
return true;
}
};
GC_REG_JOB( CGCClient, CGCSOCacheUnsubscribedJob, "CGCSOCacheUnsubscribedJob", k_ESOMsg_CacheUnsubscribed, GCSDK::k_EServerTypeGCClient );
class CGCSOCacheSubscriptionCheck : public CGCClientJob
{
public:
CGCSOCacheSubscriptionCheck( CGCClient *pClient ) : CGCClientJob( pClient ) {}
virtual bool BYieldingRunGCJob( GCSDK::IMsgNetPacket *pNetPacket )
{
CProtoBufMsg< CMsgSOCacheSubscriptionCheck > msg ( pNetPacket );
CGCClientSharedObjectCache *pSOCache = m_pGCClient->FindSOCache( msg.Body().owner(), false );
// if we do not have the cache or it is out-of-date, request a refresh
if ( pSOCache == NULL || !pSOCache->BIsInitialized() || pSOCache->GetVersion() != msg.Body().version() )
{
SOCDebug( "CGCSOCacheSubscriptionCheck(owner=%s) -- need refresh\n", CSteamID( msg.Body().owner() ).Render() );
CProtoBufMsg< CMsgSOCacheSubscriptionRefresh > msg_response( k_ESOMsg_CacheSubscriptionRefresh );
msg_response.Body().set_owner( msg.Body().owner() );
m_pGCClient->BSendMessage( msg_response );
}
else
{
SOCDebug( "CGCSOCacheSubscriptionCheck(owner=%s) -- up-to-date, no refresh needed\n", CSteamID( msg.Body().owner() ).Render() );
// This is one method by which the GC notifies us that we are subscribed.
if ( !pSOCache->BIsSubscribed() )
{
pSOCache->NotifyResubscribedUpToDate();
Assert( pSOCache->BIsSubscribed() );
}
}
return true;
}
};
GC_REG_JOB( CGCClient, CGCSOCacheSubscriptionCheck, "CGCSOCacheSubscriptionCheck", k_ESOMsg_CacheSubscriptionCheck, GCSDK::k_EServerTypeGCClient );
} // namespace GCSDK