144 lines
3.3 KiB
C
144 lines
3.3 KiB
C
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/*++
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Copyright (c) 1989 Microsoft Corporation
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Module Name:
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sbreqst.c
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Abstract:
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This module contains the Server Request thread procedure for the Sb
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API calls exported by the POSIX Emulation SubSystem to the Session
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Manager SubSystem.
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Author:
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Steve Wood (stevewo) 20-Sep-1989
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Revision History:
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Ellen Aycock-Wright (ellena) 16-Jul-91 Modified for POSIX
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--*/
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#include "psxsrv.h"
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NTSTATUS
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PsxSbApiHandleConnectionRequest(
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IN PSBAPIMSG Message
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);
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//PSB_API_ROUTINE PsxServerSbApiDispatch[ SbMaxApiNumber+1 ] = {
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// PsxSbCreateSession,
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// PsxSbTerminateSession,
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// PsxSbForeignSessionComplete,
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// NULL
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//};
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NTSTATUS
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PsxSbApiRequestThread(
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IN PVOID Parameter
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)
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{
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NTSTATUS Status;
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SBAPIMSG ReceiveMsg;
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PSBAPIMSG ReplyMsg;
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UNREFERENCED_PARAMETER(Parameter);
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ReplyMsg = NULL;
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while (TRUE) {
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IF_PSX_DEBUG( LPC ) {
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KdPrint(("PSXSS: Sb Api Request Thread waiting...\n"));
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}
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Status = NtReplyWaitReceivePort(PsxSbApiPort, NULL,
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(PPORT_MESSAGE)ReplyMsg, (PPORT_MESSAGE)&ReceiveMsg);
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if (Status != 0) {
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if (NT_SUCCESS(Status)) {
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continue; // Try again if alerted or a failure
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} else {
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IF_PSX_DEBUG( LPC ) {
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KdPrint(("PSXSS: SB ReceivePort failed:Status == %X\n",
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Status));
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}
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break;
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}
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}
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//
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// Check to see if this is a connection request and handle
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//
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if (ReceiveMsg.h.u2.s2.Type == LPC_CONNECTION_REQUEST) {
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PsxSbApiHandleConnectionRequest( &ReceiveMsg );
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ReplyMsg = NULL;
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continue;
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}
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if (ReceiveMsg.ApiNumber >= SbMaxApiNumber) {
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IF_PSX_DEBUG(LPC) {
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KdPrint(("PSXSS: %lx is invalid Sb ApiNumber\n",
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ReceiveMsg.ApiNumber));
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}
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ReceiveMsg.ApiNumber = SbMaxApiNumber;
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}
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ReplyMsg = &ReceiveMsg;
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if (ReceiveMsg.ApiNumber < SbMaxApiNumber) {
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// if (!(*PsxServerSbApiDispatch[ ReceiveMsg.ApiNumber ])( &ReceiveMsg )) {
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ReplyMsg = NULL;
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// }
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// }
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// else {
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// ReplyMsg->ReturnedStatus = STATUS_NOT_IMPLEMENTED;
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}
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}
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NtTerminateThread( NtCurrentThread(), Status );
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//
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// This line should never be executed
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//
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return STATUS_SUCCESS;
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}
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NTSTATUS
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PsxSbApiHandleConnectionRequest(
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IN PSBAPIMSG Message
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)
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{
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NTSTATUS st;
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REMOTE_PORT_VIEW ClientView;
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HANDLE CommunicationPort;
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//
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// The protocol for a subsystem is to connect to the session manager,
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// then to listen and accept a connection from the session manager
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//
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ClientView.Length = sizeof(ClientView);
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st = NtAcceptConnectPort(
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&CommunicationPort,
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NULL,
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(PPORT_MESSAGE)Message,
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TRUE,
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NULL,
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&ClientView
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);
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if ( !NT_SUCCESS(st) ) {
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KdPrint(("PSXSS: Sb Accept Connection failed %lx\n",st));
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return st;
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}
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st = NtCompleteConnectPort(CommunicationPort);
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if ( !NT_SUCCESS(st) ) {
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KdPrint(("PSXSS: Sb Complete Connection failed %lx\n",st));
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}
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return st;
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}
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