Leaked source code of windows server 2003
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/*==========================================================================
*
* Copyright (C) 1999, 2000 Microsoft Corporation. All Rights Reserved.
*
* File: fwdserver.cpp
* Content: Implements the forwarding server portion of the server class
*
* History:
* Date By Reason
* ==== == ======
* 11/01/2000 rodtoll Split out from dvsereng.cpp
*
***************************************************************************/
#include "dxvoicepch.h"
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_CreatePlayer"
HRESULT CDirectVoiceServerEngine::Send_CreatePlayer( DVID dvidTarget, const CVoicePlayer *pPlayer )
{
PDVPROTOCOLMSG_PLAYERJOIN pdvPlayerJoin;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_PLAYERJOIN ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvPlayerJoin = (PDVPROTOCOLMSG_PLAYERJOIN) pBufferDesc->pBufferData;
pdvPlayerJoin->dwType = DVMSGID_CREATEVOICEPLAYER;
pdvPlayerJoin->dvidID = pPlayer->GetPlayerID();
pdvPlayerJoin->dwFlags = pPlayer->GetTransportFlags();
pdvPlayerJoin->dwHostOrderID = pPlayer->GetHostOrder();
hr = m_lpSessionTransport->SendToIDS( &dvidTarget, 1, pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending create player to 0x%x hr=0x%x", dvidTarget, hr );
}
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_ConnectRefuse"
HRESULT CDirectVoiceServerEngine::Send_ConnectRefuse( DVID dvidID, HRESULT hrReason )
{
PDVPROTOCOLMSG_CONNECTREFUSE pdvConnectRefuse;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_CONNECTREFUSE ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvConnectRefuse = (PDVPROTOCOLMSG_CONNECTREFUSE) pBufferDesc->pBufferData;
pdvConnectRefuse->dwType = DVMSGID_CONNECTREFUSE;
pdvConnectRefuse->hresResult = hrReason;
pdvConnectRefuse->ucVersionMajor = DVPROTOCOL_VERSION_MAJOR;
pdvConnectRefuse->ucVersionMinor = DVPROTOCOL_VERSION_MINOR;
pdvConnectRefuse->dwVersionBuild = DVPROTOCOL_VERSION_BUILD;
hr = m_lpSessionTransport->SendToIDS( &dvidID, 1, pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending disconnect confirm migrated to all hr=0x%x", hr );
}
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_DisconnectConfirm"
HRESULT CDirectVoiceServerEngine::Send_DisconnectConfirm( DVID dvidID, HRESULT hrReason )
{
PDVPROTOCOLMSG_DISCONNECT pdvDisconnectConfirm;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_DISCONNECT ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvDisconnectConfirm = (PDVPROTOCOLMSG_DISCONNECT) pBufferDesc->pBufferData;
pdvDisconnectConfirm->dwType = DVMSGID_DISCONNECTCONFIRM;
pdvDisconnectConfirm->hresDisconnect = hrReason;
hr = m_lpSessionTransport->SendToIDS( &dvidID, 1, pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending disconnect confirm migrated to all hr=0x%x", hr );
}
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_ConnectAccept"
HRESULT CDirectVoiceServerEngine::Send_ConnectAccept( DVID dvidID )
{
PDVPROTOCOLMSG_CONNECTACCEPT pdvConnectAccept;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_CONNECTACCEPT ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvConnectAccept = (PDVPROTOCOLMSG_CONNECTACCEPT) pBufferDesc->pBufferData;
pdvConnectAccept->dwType = DVMSGID_CONNECTACCEPT;
pdvConnectAccept->dwSessionFlags = m_dvSessionDesc.dwFlags;
pdvConnectAccept->dwSessionType = m_dvSessionDesc.dwSessionType;
pdvConnectAccept->ucVersionMajor = DVPROTOCOL_VERSION_MAJOR;
pdvConnectAccept->ucVersionMinor = DVPROTOCOL_VERSION_MINOR;
pdvConnectAccept->dwVersionBuild = DVPROTOCOL_VERSION_BUILD;
pdvConnectAccept->guidCT = m_dvSessionDesc.guidCT;
hr = m_lpSessionTransport->SendToIDS( &dvidID, 1, pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending connect accept to player hr=0x%x", hr );
}
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_DeletePlayer"
HRESULT CDirectVoiceServerEngine::Send_DeletePlayer( DVID dvidID )
{
PDVPROTOCOLMSG_PLAYERQUIT pdvPlayerQuit;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_PLAYERQUIT ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvPlayerQuit = (PDVPROTOCOLMSG_PLAYERQUIT) pBufferDesc->pBufferData;
pdvPlayerQuit->dwType = DVMSGID_DELETEVOICEPLAYER;
pdvPlayerQuit->dvidID = dvidID;
hr = m_lpSessionTransport->SendToAll( pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending delete player migrated to all hr=0x%x", hr );
ReturnTransmitBuffer( pvSendContext );
}
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_SessionLost"
HRESULT CDirectVoiceServerEngine::Send_SessionLost( HRESULT hrReason )
{
PDVPROTOCOLMSG_SESSIONLOST pdvSessionLost;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_SESSIONLOST ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvSessionLost = (PDVPROTOCOLMSG_SESSIONLOST) pBufferDesc->pBufferData;
pdvSessionLost->dwType = DVMSGID_SESSIONLOST;
pdvSessionLost->hresReason = hrReason;
hr = m_lpSessionTransport->SendToAll( pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED | DVTRANSPORT_SEND_SYNC );
if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending session lost to all hr=0x%x", hr );
}
ReturnTransmitBuffer( pvSendContext );
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_HostMigrateLeave"
HRESULT CDirectVoiceServerEngine::Send_HostMigrateLeave( )
{
PDVPROTOCOLMSG_HOSTMIGRATELEAVE pdvHostMigrateLeave;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_HOSTMIGRATELEAVE ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pdvHostMigrateLeave = (PDVPROTOCOLMSG_HOSTMIGRATELEAVE) pBufferDesc->pBufferData;
pdvHostMigrateLeave->dwType = DVMSGID_HOSTMIGRATELEAVE;
// Send this message with sync. Sync messages do not generate callbacks
//
hr = m_lpSessionTransport->SendToAll( pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED | DVTRANSPORT_SEND_SYNC );
if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending host migrated to all hr=0x%x", hr );
}
ReturnTransmitBuffer( pvSendContext );
return hr;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::Send_HostMigrated"
HRESULT CDirectVoiceServerEngine::Send_HostMigrated()
{
PDVPROTOCOLMSG_HOSTMIGRATED pvMigrated;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PVOID pvSendContext;
HRESULT hr;
pBufferDesc = GetTransmitBuffer( sizeof( DVPROTOCOLMSG_HOSTMIGRATED ), &pvSendContext );
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Memory alloc error" );
return DVERR_OUTOFMEMORY;
}
pvMigrated = (PDVPROTOCOLMSG_HOSTMIGRATED) pBufferDesc->pBufferData;
pvMigrated->dwType = DVMSGID_HOSTMIGRATED;
hr = m_lpSessionTransport->SendToAll( pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error sending host migrated to all hr=0x%x", hr );
ReturnTransmitBuffer( pvSendContext );
}
return hr;
}
BOOL CDirectVoiceServerEngine::CheckProtocolCompatible( BYTE ucMajor, BYTE ucMinor, DWORD dwBuild )
{
/*
if( ucMajor != DVPROTOCOL_VERSION_MAJOR ||
ucMinor != DVPROTOCOL_VERSION_MINOR ||
dwBuild != DVPROTOCOL_VERSION_BUILD )
{
return FALSE;
}
else
{
return TRUE;
}*/
return TRUE;
}
#undef DPF_MODNAME
#define DPF_MODNAME "CDirectVoiceServerEngine::SendPlayerList"
//
// SendPlayerList
//
// This function sends a bunch of DVMSGID_PLAYERLIST messages to the
// client containing the list of current players.
//
// This will send multiple structues if the number
//
HRESULT CDirectVoiceServerEngine::SendPlayerList( DVID dvidSource, DWORD dwHostOrderID )
{
BOOL bContinueEnum = FALSE;
CVoicePlayer *lpPlayer;
CBilink *pblSearch;
HRESULT hr = DV_OK;
BOOL fAtLeastOneSent = FALSE;
DWORD dwCurrentBufferLoc;
DWORD dwNumInCurrentPacket;
PDVTRANSPORT_BUFFERDESC pBufferDesc;
PDVPROTOCOLMSG_PLAYERLIST lpdvPlayerList;
DVPROTOCOLMSG_PLAYERLIST_ENTRY *pdvPlayerEntries;
PVOID pvSendContext;
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "Building player list" );
pBufferDesc = GetTransmitBuffer(DVPROTOCOL_PLAYERLIST_MAXSIZE, &pvSendContext);
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Out of memory!" );
return DVERR_OUTOFMEMORY;
}
lpdvPlayerList = (PDVPROTOCOLMSG_PLAYERLIST) pBufferDesc->pBufferData;
pdvPlayerEntries = (DVPROTOCOLMSG_PLAYERLIST_ENTRY *) &lpdvPlayerList[1];
lpdvPlayerList->dwType = DVMSGID_PLAYERLIST;
lpdvPlayerList->dwHostOrderID = dwHostOrderID;
dwNumInCurrentPacket = 0;
dwCurrentBufferLoc = sizeof(DVPROTOCOLMSG_PLAYERLIST);
DNEnterCriticalSection( &m_csPlayerActiveList );
pblSearch = m_blPlayerActiveList.GetNext();
while( pblSearch != &m_blPlayerActiveList )
{
lpPlayer = CONTAINING_RECORD( pblSearch, CVoicePlayer, m_blNotifyList );
// We need to split the packet, start a new packet, transmit this one.
if( (dwCurrentBufferLoc+sizeof(DVPROTOCOLMSG_PLAYERLIST_ENTRY)) > DVPROTOCOL_PLAYERLIST_MAXSIZE )
{
// Wrap up current packet and transmit
lpdvPlayerList->dwNumEntries = dwNumInCurrentPacket;
pBufferDesc->dwBufferSize = dwCurrentBufferLoc;
hr = m_lpSessionTransport->SendToIDS( &dvidSource, 1,pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING )
{
hr = DV_OK;
}
else if( FAILED( hr ) )
{
DPFX(DPFPREP, DVF_WARNINGLEVEL, "Error on internal send hr=0x%x (Didn't get playerlist)", hr );
return hr;
}
// Reset for further players
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "Transmitting playerlist chunk %d players", dwNumInCurrentPacket );
pBufferDesc = GetTransmitBuffer(DVPROTOCOL_PLAYERLIST_MAXSIZE, &pvSendContext);
if( pBufferDesc == NULL )
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Out of memory!" );
return DVERR_OUTOFMEMORY;
}
lpdvPlayerList = (PDVPROTOCOLMSG_PLAYERLIST) pBufferDesc->pBufferData;
pdvPlayerEntries = (DVPROTOCOLMSG_PLAYERLIST_ENTRY *) &lpdvPlayerList[1];
lpdvPlayerList->dwType = DVMSGID_PLAYERLIST;
lpdvPlayerList->dwHostOrderID = dwHostOrderID;
dwCurrentBufferLoc = sizeof(DVPROTOCOLMSG_PLAYERLIST);
dwNumInCurrentPacket = 0;
fAtLeastOneSent = TRUE;
}
pdvPlayerEntries[dwNumInCurrentPacket].dvidID = lpPlayer->GetPlayerID();
pdvPlayerEntries[dwNumInCurrentPacket].dwPlayerFlags = lpPlayer->GetTransportFlags();
pdvPlayerEntries[dwNumInCurrentPacket].dwHostOrderID = lpPlayer->GetHostOrder();
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "PlayerList: Adding player ID 0x%x", lpPlayer->GetPlayerID() );
dwNumInCurrentPacket++;
dwCurrentBufferLoc += sizeof(DVPROTOCOLMSG_PLAYERLIST_ENTRY);
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "PlayerList: Got next player" );
pblSearch = pblSearch->GetNext();
}
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "PlayerList: Build Complete" );
DNLeaveCriticalSection( &m_csPlayerActiveList );
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "PlayerList: Total of %d entries", dwNumInCurrentPacket );
// Remaining entries to be sent
//
// (Or empty packet just so user gets their ID)
//
if( !fAtLeastOneSent )
{
// Wrap up current packet and transmit
lpdvPlayerList->dwNumEntries = dwNumInCurrentPacket;
pBufferDesc->dwBufferSize = dwCurrentBufferLoc;
hr = m_lpSessionTransport->SendToIDS( &dvidSource, 1, pBufferDesc, pvSendContext, DVTRANSPORT_SEND_GUARANTEED );
if( hr == DVERR_PENDING || hr == DV_OK )
{
DPFX(DPFPREP, DVF_PLAYERMANAGE_DEBUG_LEVEL, "Playerlist sent" );
}
else
{
DPFX(DPFPREP, DVF_ERRORLEVEL, "Error on internal send hr=0x%x (Didn't get playerlist)", hr );
}
}
return hr;
}