Source code of Windows XP (NT5)
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144 lines
3.0 KiB

#include "precomp.h"
//
// AWC.CPP
// Active Window Coordinator
//
// Copyright(c) Microsoft 1997-
//
#define MLZ_FILE_ZONE ZONE_CORE
//
// AWC_ReceivedPacket()
//
void ASShare::AWC_ReceivedPacket
(
ASPerson * pasPerson,
PS20DATAPACKET pPacket
)
{
PAWCPACKET pAWCPacket;
UINT activateWhat;
HWND hwnd;
DebugEntry(ASShare::AWC_ReceivedPacket);
ValidatePerson(pasPerson);
pAWCPacket = (PAWCPACKET)pPacket;
//
// We trace the person ID out here so we don't bother to do it
// elsewhere in this function on TRACE lines.
//
TRACE_OUT(("AWC_ReceivedPacket from [%d] - msg %x token %u data 0x%08x",
pasPerson->mcsID,
pAWCPacket->msg,
pAWCPacket->token,
pAWCPacket->data1));
switch (pAWCPacket->msg)
{
case AWC_MSG_SAS:
{
//
// Cause Ctrl+Alt+Del to be injected if we're in a service app,
// we're hosting, and we're controlled by the sender.
//
if ((g_asOptions & AS_SERVICE) && (pasPerson->m_caInControlOf == m_pasLocal))
{
ASSERT(m_pHost);
OSI_InjectCtrlAltDel();
}
break;
}
}
DebugExitVOID(ASShare::AWC_ReceivedPacket);
}
//
// FUNCTION: AWC_SendMsg
//
// DESCRIPTION:
//
// Sends a AWC message to remote system
// * Requests to activate are just to one host
// * Notifications of activation are to everyone
//
// RETURNS: TRUE or FALSE - success or failure
//
//
BOOL ASShare::AWC_SendMsg
(
UINT nodeID,
UINT msg,
UINT data1,
UINT data2
)
{
PAWCPACKET pAWCPacket;
BOOL rc = FALSE;
#ifdef _DEBUG
UINT sentSize;
#endif
DebugEntry(ASShare::AWC_SendMsg);
//
// Allocate correct sized packet.
//
pAWCPacket = (PAWCPACKET)SC_AllocPkt(PROT_STR_UPDATES, nodeID, sizeof(AWCPACKET));
if (!pAWCPacket)
{
WARNING_OUT(("Failed to alloc AWC packet"));
DC_QUIT;
}
//
// Set up the data header for an AWC message.
//
pAWCPacket->header.data.dataType = DT_AWC;
//
// Now set up the AWC fields. By passing AWC_SYNC_MSG_TOKEN in the
// token field, we ensure that back-level remotes will never drop our
// packets.
//
pAWCPacket->msg = (TSHR_UINT16)msg;
pAWCPacket->data1 = data1;
pAWCPacket->data2 = data2;
pAWCPacket->token = 0;
//
// Send the packet.
//
if (m_scfViewSelf)
AWC_ReceivedPacket(m_pasLocal, &(pAWCPacket->header));
#ifdef _DEBUG
sentSize =
#endif // _DEBUG
DCS_CompressAndSendPacket(PROT_STR_UPDATES, nodeID,
&(pAWCPacket->header), sizeof(*pAWCPacket));
TRACE_OUT(("AWC packet size: %08d, sent: %08d", sizeof(*pAWCPacket), sentSize));
rc = TRUE;
DC_EXIT_POINT:
DebugExitDWORD(ASShare::AWC_SendMsg, rc);
return(rc);
}