reactos/subsys/smss/debug.c

   1 /* $Id$
   2  *
   3  * debug.c - Session Manager debug messages switch and router
   4  *
   5  * ReactOS Operating System
   6  *
   7  * --------------------------------------------------------------------
   8  *
   9  * This software is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * This software is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this software; see the file COPYING.LIB. If not, write
  21  * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
  22  * MA 02139, USA.
  23  *
  24  * --------------------------------------------------------------------
  25  */
  26 #include "smss.h"
  27
  28 #define NDEBUG
  29 #include <debug.h>
  30
  31
  32 /* GLOBALS ***********************************************************/
  33
  34 HANDLE DbgSsApiPort = (HANDLE) 0;
  35 HANDLE DbgUiApiPort = (HANDLE) 0;
  36 HANDLE hSmDbgApiPort = (HANDLE) 0;
  37
  38 /* FUNCTIONS *********************************************************/
  39
  40 static VOID STDCALL
  41 DbgSsApiPortThread (PVOID dummy)
  42 {
  43         NTSTATUS Status = STATUS_SUCCESS;
  44         PORT_MESSAGE    Request ;
  45
  46     RtlZeroMemory(&Request, sizeof(PORT_MESSAGE));
  47         while (TRUE)
  48         {
  49                 Status = NtListenPort (DbgSsApiPort, & Request);
  50                 if (!NT_SUCCESS(Status))
  51                 {
  52                         DPRINT1("SM: %s: NtListenPort() failed! (Status==x%08lx)\n", __FUNCTION__, Status);
  53                         break;
  54                 }
  55                 /* TODO */
  56         }
  57         NtTerminateThread(NtCurrentThread(),Status);
  58 }
  59
  60 static VOID STDCALL
  61 DbgUiApiPortThread (PVOID dummy)
  62 {
  63         NTSTATUS Status = STATUS_SUCCESS;
  64         PORT_MESSAGE    Request;
  65
  66     RtlZeroMemory(&Request, sizeof(PORT_MESSAGE));
  67         while (TRUE)
  68         {
  69                 Status = NtListenPort (DbgUiApiPort, & Request);
  70                 if (!NT_SUCCESS(Status))
  71                 {
  72                         DPRINT1("SM: %s: NtListenPort() failed! (Status==x%08lx)\n", __FUNCTION__, Status);
  73                         break;
  74                 }
  75                 /* TODO */
  76         }
  77         NtTerminateThread(NtCurrentThread(),Status);
  78 }
  79
  80 static NTSTATUS STDCALL
  81 SmpCreatePT (IN OUT PHANDLE hPort,
  82              IN     LPWSTR  wcPortName,
  83              IN     ULONG   ulMaxDataSize,
  84              IN     ULONG   ulMaxMessageSize,
  85              IN     ULONG   ulPoolCharge OPTIONAL,
  86              IN     VOID    (STDCALL * procServingThread)(PVOID) OPTIONAL,
  87              IN OUT PHANDLE phServingThread OPTIONAL)
  88 {
  89         NTSTATUS          Status = STATUS_SUCCESS;
  90         UNICODE_STRING    PortName = {0};
  91         OBJECT_ATTRIBUTES ObjectAttributes;
  92         HANDLE            Thread = (HANDLE) 0;
  93         CLIENT_ID         Cid = {0, 0};
  94
  95         RtlInitUnicodeString (& PortName, wcPortName);
  96         InitializeObjectAttributes (& ObjectAttributes,
  97                                     & PortName,
  98                                     0,
  99                                     NULL,
 100                                     NULL);
 101         Status = NtCreatePort (hPort,
 102                                & ObjectAttributes,
 103                                ulMaxDataSize,
 104                                ulMaxMessageSize,
 105                                ulPoolCharge);
 106         if(STATUS_SUCCESS != Status)
 107         {
 108                 return Status;
 109         }
 110         /* Create thread for DbgSsApiPort */
 111         RtlCreateUserThread(NtCurrentProcess(),
 112                             NULL,
 113                             FALSE,
 114                             0,
 115                             0,
 116                             0,
 117                             (PTHREAD_START_ROUTINE) procServingThread,
 118                             hPort,
 119                             & Thread,
 120                             & Cid);
 121         if((HANDLE) 0 == Thread)
 122         {
 123                 NtClose(*hPort);
 124                 Status = STATUS_UNSUCCESSFUL;
 125         }
 126         if(NULL != phServingThread)
 127         {
 128                 *phServingThread = Thread;
 129         }
 130         return Status;
 131 }
 132
 133 NTSTATUS
 134 SmInitializeDbgSs (VOID)
 135 {
 136         NTSTATUS  Status = STATUS_SUCCESS;
 137         HANDLE    hDbgSsApiPortThread = (HANDLE) 0;
 138
 139
 140         DPRINT("SM: %s called\n", __FUNCTION__);
 141
 142         /* Self register */
 143         Status = SmRegisterInternalSubsystem (L"Debug",
 144                                                 (USHORT)-1,
 145                                                 & hSmDbgApiPort);
 146         if (!NT_SUCCESS(Status))
 147         {
 148                 DPRINT1("DBG:%s: SmRegisterInternalSubsystem failed with Status=%08lx\n",
 149                         __FUNCTION__, Status);
 150                 return Status;
 151         }
 152         /* Create the \DbgSsApiPort object (LPC) */
 153         Status = SmpCreatePT(& DbgSsApiPort,
 154                              SM_DBGSS_PORT_NAME,
 155                              0, /* MaxDataSize */
 156                              0, /* MaxMessageSize */
 157                              0, /* PoolCharge */
 158                              DbgSsApiPortThread,
 159                              & hDbgSsApiPortThread);
 160         if(!NT_SUCCESS(Status))
 161         {
 162                 DPRINT("SM: %s: DBGSS port not created\n",__FUNCTION__);
 163                 return Status;
 164         }
 165         /* Create the \DbgUiApiPort object (LPC) */
 166         Status = SmpCreatePT(& DbgUiApiPort,
 167                              SM_DBGUI_PORT_NAME,
 168                              0, /* MaxDataSize */
 169                              0, /* MaxMessageSize */
 170                              0, /* PoolCharge */
 171                              DbgUiApiPortThread,
 172                              NULL);
 173         if(!NT_SUCCESS(Status))
 174         {
 175                 DPRINT("SM: %s: DBGUI port not created\n",__FUNCTION__);
 176                 NtClose (hDbgSsApiPortThread);
 177                 NtClose (DbgSsApiPort);
 178                 return Status;
 179         }
 180         return STATUS_SUCCESS;
 181 }
 182
 183 /* EOF */
 184