151 lines
3.2 KiB
C
151 lines
3.2 KiB
C
/*++
|
|
|
|
Copyright (c) 1989 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
ntrqust.c
|
|
|
|
Abstract:
|
|
|
|
This module contains the session requests thread.
|
|
|
|
Author:
|
|
|
|
Avi Nathan (avin) 17-Jul-1991
|
|
|
|
Environment:
|
|
|
|
User Mode Only
|
|
|
|
Revision History:
|
|
|
|
Ellen Aycock-Wright (ellena) 15-Sept-1991 Modified for POSIX
|
|
|
|
--*/
|
|
|
|
#include <malloc.h>
|
|
#define NTPSX_ONLY
|
|
#include "psxses.h"
|
|
|
|
VOID ScHandleConnectionRequest( PSCREQUESTMSG Message );
|
|
|
|
DWORD
|
|
WINAPI
|
|
ServeSessionRequests(
|
|
LPVOID Parameter
|
|
)
|
|
{
|
|
|
|
SCREQUESTMSG ReceiveMsg, *pReplyMsg;
|
|
NTSTATUS Status;
|
|
BOOL fCont = TRUE;
|
|
|
|
pReplyMsg = NULL;
|
|
|
|
InitializeListHead(&ClientPortsList);
|
|
|
|
for (;;) {
|
|
if (fCont) {
|
|
Status = NtReplyWaitReceivePort(PsxSessionPort,
|
|
NULL, (PPORT_MESSAGE)pReplyMsg,
|
|
(PPORT_MESSAGE)&ReceiveMsg);
|
|
if (ReceiveMsg.h.u2.s2.Type == LPC_CONNECTION_REQUEST) {
|
|
ASSERT(NT_SUCCESS(Status));
|
|
ScHandleConnectionRequest( &ReceiveMsg );
|
|
pReplyMsg = NULL;
|
|
continue;
|
|
}
|
|
|
|
} else {
|
|
Status = NtReplyPort(PsxSessionPort,
|
|
(PPORT_MESSAGE)pReplyMsg);
|
|
}
|
|
|
|
if (STATUS_INVALID_CID == Status) {
|
|
//
|
|
// The client on whose behalf we called read has
|
|
// been shot.
|
|
//
|
|
|
|
pReplyMsg = NULL;
|
|
continue;
|
|
|
|
}
|
|
if (!NT_SUCCESS(Status)) {
|
|
KdPrint(("PSXSES: ntreqst: 0x%x\n", Status));
|
|
}
|
|
ASSERT(NT_SUCCESS(Status));
|
|
|
|
if (LPC_PORT_CLOSED == PORT_MSG_TYPE(ReceiveMsg)) {
|
|
PLIST_ENTRY pl;
|
|
PCLIENT_AND_PORT pc;
|
|
|
|
for (pl = ClientPortsList.Flink;
|
|
pl != &ClientPortsList;
|
|
pl = pl->Flink) {
|
|
|
|
pc = (PVOID)pl;
|
|
|
|
if (pc->ClientId.UniqueProcess == ReceiveMsg.h.ClientId.UniqueProcess &&
|
|
pc->ClientId.UniqueThread == ReceiveMsg.h.ClientId.UniqueThread) {
|
|
RemoveEntryList(&pc->Links);
|
|
NtClose(pc->CommPort);
|
|
free(pc);
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pReplyMsg = NULL;
|
|
continue;
|
|
}
|
|
|
|
if (PORT_MSG_TYPE(ReceiveMsg) == LPC_CLIENT_DIED) {
|
|
pReplyMsg = NULL;
|
|
continue;
|
|
}
|
|
|
|
if (!fCont) {
|
|
break;
|
|
}
|
|
|
|
if (PORT_MSG_TYPE(ReceiveMsg) != LPC_REQUEST &&
|
|
PORT_MSG_TYPE(ReceiveMsg) != LPC_DATAGRAM) {
|
|
KdPrint(("PSXSES: got msg type %d\n",
|
|
PORT_MSG_TYPE(ReceiveMsg)));
|
|
}
|
|
|
|
try {
|
|
switch (ReceiveMsg.Request) {
|
|
case ConRequest:
|
|
fCont = ServeConRequest(&ReceiveMsg.d.Con,
|
|
&ReceiveMsg.Status);
|
|
break;
|
|
case TaskManRequest:
|
|
fCont = ServeTmRequest(&ReceiveMsg.d.Tm,
|
|
&ReceiveMsg.Status);
|
|
break;
|
|
case TcRequest:
|
|
fCont = ServeTcRequest(&ReceiveMsg.d.Tc,
|
|
&ReceiveMsg.Status);
|
|
break;
|
|
default:
|
|
KdPrint(("PSXSES: Unknown nt request: 0x%x\n",
|
|
ReceiveMsg.Request));
|
|
}
|
|
} except (EXCEPTION_EXECUTE_HANDLER) {
|
|
// BUGBUG! GetExceptionCode;
|
|
|
|
ReceiveMsg.Status = STATUS_ACCESS_VIOLATION;
|
|
// BUGBUG! The client should kill the process
|
|
}
|
|
pReplyMsg = &ReceiveMsg;
|
|
}
|
|
|
|
ExitProcess(0);
|
|
//NOTREACHED
|
|
return 0;
|
|
}
|