| 1 | /* $Id: spy.cpp,v 1.3 1999-06-27 16:23:23 sandervl 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 | #define INCL_DOSPROCESS
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| 13 | #define INCL_DOSQUEUES
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| 14 | #define INCL_DOSMEMMGR
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| 15 | #define INCL_WINMESSAGEMGR
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| 16 | #define INCL_DOSERRORS
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| 17 | #define INCL_DOSSEMAPHORES
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| 18 | #include <os2.h>
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| 19 | #include <os2wrap.h>
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| 20 |
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| 21 | #include <stdlib.h>
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| 22 | #include <stddef.h>
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| 23 | #include <string.h>
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| 24 | #include <misc.h>
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| 25 | #include <spy.h>
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| 26 |
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| 27 |
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| 28 | #define Q_BUFFER_SIZE 4096
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| 29 | #define MAX_MESSAGES (Q_BUFFER_SIZE/sizeof(Q_SPYMSG))
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| 30 |
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| 31 | PID pidServer = 0;
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| 32 | HQUEUE hqQueue = 0;
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| 33 | Q_SPYMSG *pvdQMemory = 0;
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| 34 | int msgIndex = 0;
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| 35 |
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| 36 | BOOL InitSpyQueue()
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| 37 | {
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| 38 | APIRET rc;
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| 39 |
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| 40 | if (rc = DosOpenQueue(&pidServer, &hqQueue, "\\queues\\"Q_NAME))
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| 41 | {
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| 42 | dprintf(("InitSpyQueue: couldn't open spy queue rc=%d!", rc));
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| 43 | return FALSE;
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| 44 | }
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| 45 | if (rc = DosAllocSharedMem((VOID **)&pvdQMemory,
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| 46 | NULL,
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| 47 | Q_BUFFER_SIZE,
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| 48 | fALLOCSHR))
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| 49 | {
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| 50 | dprintf(("InitSpyQueue: DosAllocSharedMem failed rc=%d", rc));
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| 51 | DosCloseQueue(hqQueue);
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| 52 | return FALSE;
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| 53 | }
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| 54 |
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| 55 | /* give memory to server */
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| 56 | if (DosGiveSharedMem(pvdQMemory, pidServer, PAG_READ | PAG_WRITE))
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| 57 | {
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| 58 | dprintf(("InitSpyQueue: DosGiveSharedMem failed"));
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| 59 | DosCloseQueue(hqQueue);
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| 60 | return FALSE;
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| 61 | }
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| 62 | return (TRUE);
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| 63 | }
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| 64 |
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| 65 | void CloseSpyQueue()
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| 66 | {
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| 67 | APIRET rc;
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| 68 |
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| 69 | dprintf(("CloseSpyQueue"));
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| 70 | if(hqQueue) {
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| 71 | if(pvdQMemory) {
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| 72 | rc = DosWriteQueue(hqQueue, Q_SPYMSG_KILLSERVER, 0, 0, 0);
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| 73 | if(rc) {
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| 74 | dprintf(("CloseSpyQueue: DosWriteQueue returned %d", rc));
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| 75 | }
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| 76 | }
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| 77 | DosCloseQueue(hqQueue);
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| 78 | }
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| 79 | if(pvdQMemory)
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| 80 | DosFreeMem(pvdQMemory);
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| 81 | }
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| 82 |
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| 83 | BOOL PostSpyMessage(HWND hwnd, ULONG Msg, ULONG wParam, ULONG lParam)
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| 84 | {
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| 85 | APIRET rc;
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| 86 |
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| 87 | if (hqQueue == 0)
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| 88 | return FALSE;
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| 89 |
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| 90 | pvdQMemory[msgIndex].hwnd = hwnd;
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| 91 | pvdQMemory[msgIndex].Msg = Msg;
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| 92 | pvdQMemory[msgIndex].wParam = wParam;
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| 93 | pvdQMemory[msgIndex].lParam = lParam;
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| 94 |
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| 95 | if (rc = DosWriteQueue(hqQueue,
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| 96 | Q_SPYMSG_WNDMSG,
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| 97 | sizeof(Q_SPYMSG),
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| 98 | &pvdQMemory[msgIndex],
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| 99 | 0))
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| 100 | {
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| 101 | hqQueue = 0; //give up, server probably died
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| 102 | dprintf(("PostSpyMessage: DosWriteQueue returned %d", rc));
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| 103 | return FALSE;
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| 104 | }
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| 105 | if(++msgIndex >= MAX_MESSAGES)
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| 106 | {
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| 107 | msgIndex = 0;
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| 108 | }
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| 109 | return TRUE;
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| 110 | }
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| 111 |
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