| 1 | /* $Id: spy.cpp,v 1.12 2002-07-18 19:22:49 achimha Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Queue procedures to send messages to the spy server
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| 5 | *
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| 6 | * Copyright 1999 Sander van Leeuwen
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| 7 | *
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 |
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| 13 | // AH TODO
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| 14 | // we might want to disable the spy queue for custom builds or at least
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| 15 | // supply a different queue name
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| 16 |
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| 17 | #define INCL_DOSPROCESS
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| 18 | #define INCL_DOSQUEUES
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| 19 | #define INCL_DOSMEMMGR
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| 20 | #define INCL_WINMESSAGEMGR
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| 21 | #define INCL_DOSERRORS
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| 22 | #define INCL_DOSSEMAPHORES
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| 23 | #include <os2wrap.h>
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| 24 |
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| 25 | #include <stdlib.h>
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| 26 | #include <stddef.h>
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| 27 | #include <string.h>
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| 28 | #include <misc.h>
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| 29 | #include <spy.h>
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| 30 |
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| 31 | #define DBG_LOCALLOG DBG_spy
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| 32 | #include "dbglocal.h"
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| 33 |
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| 34 | #define Q_BUFFER_SIZE 4096
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| 35 | #define MAX_MESSAGES (Q_BUFFER_SIZE/sizeof(Q_SPYMSG))
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| 36 |
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| 37 | PID pidServer = 0;
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| 38 | HQUEUE hqQueue = 0;
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| 39 | Q_SPYMSG *pvdQMemory = 0;
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| 40 | int msgIndex = 0;
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| 41 |
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| 42 | BOOL InitSpyQueue()
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| 43 | {
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| 44 | APIRET rc;
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| 45 |
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| 46 | if ((rc = DosOpenQueue(&pidServer, &hqQueue, "\\queues\\"Q_NAME)) != 0)
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| 47 | {
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| 48 | dprintf(("InitSpyQueue: couldn't open spy queue rc=%d!", rc));
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| 49 | return FALSE;
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| 50 | }
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| 51 | if ((rc = DosAllocSharedMem((VOID **)&pvdQMemory,
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| 52 | NULL,
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| 53 | Q_BUFFER_SIZE,
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| 54 | fALLOCSHR)) != 0)
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| 55 | {
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| 56 | dprintf(("InitSpyQueue: DosAllocSharedMem failed rc=%d", rc));
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| 57 | DosCloseQueue(hqQueue);
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| 58 | return FALSE;
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| 59 | }
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| 60 |
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| 61 | /* give memory to server */
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| 62 | if (DosGiveSharedMem(pvdQMemory, pidServer, PAG_READ | PAG_WRITE))
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| 63 | {
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| 64 | dprintf(("InitSpyQueue: DosGiveSharedMem failed"));
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| 65 | DosCloseQueue(hqQueue);
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| 66 | return FALSE;
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| 67 | }
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| 68 | return (TRUE);
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| 69 | }
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| 70 |
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| 71 | void CloseSpyQueue()
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| 72 | {
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| 73 | APIRET rc;
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| 74 |
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| 75 | dprintf(("CloseSpyQueue"));
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| 76 | if(hqQueue) {
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| 77 | if(pvdQMemory) {
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| 78 | rc = DosWriteQueue(hqQueue, Q_SPYMSG_KILLSERVER, 0, 0, 0);
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| 79 | if(rc) {
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| 80 | dprintf(("CloseSpyQueue: DosWriteQueue returned %d", rc));
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| 81 | }
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| 82 | }
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| 83 | DosCloseQueue(hqQueue);
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| 84 | }
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| 85 | if(pvdQMemory)
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| 86 | DosFreeMem(pvdQMemory);
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| 87 | }
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| 88 |
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| 89 | #ifdef DEBUG
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| 90 | BOOL PostSpyMessage(HWND hwnd, ULONG Msg, ULONG wParam, ULONG lParam)
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| 91 | {
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| 92 | APIRET rc;
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| 93 |
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| 94 | if (hqQueue == 0)
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| 95 | return FALSE;
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| 96 |
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| 97 | pvdQMemory[msgIndex].hwnd = hwnd;
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| 98 | pvdQMemory[msgIndex].Msg = Msg;
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| 99 | pvdQMemory[msgIndex].wParam = wParam;
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| 100 | pvdQMemory[msgIndex].lParam = lParam;
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| 101 |
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| 102 | if ((rc = DosWriteQueue(hqQueue,
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| 103 | Q_SPYMSG_WNDMSG,
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| 104 | sizeof(Q_SPYMSG),
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| 105 | &pvdQMemory[msgIndex],
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| 106 | 0)) != 0)
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| 107 | {
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| 108 | hqQueue = 0; //give up, server probably died
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| 109 | dprintf(("PostSpyMessage: DosWriteQueue returned %d", rc));
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| 110 | return FALSE;
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| 111 | }
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| 112 | if(++msgIndex >= MAX_MESSAGES)
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| 113 | {
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| 114 | msgIndex = 0;
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| 115 | }
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| 116 | return TRUE;
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| 117 | }
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| 118 |
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| 119 | #endif
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