source: trunk/src/kernel32/hmnpipe.cpp@ 8081

Last change on this file since 8081 was 7929, checked in by sandervl, 24 years ago

pipe updates
File size: 17.8 KB
Line 
1/* $Id: hmnpipe.cpp,v 1.9 2002-02-15 20:15:55 sandervl Exp $ */
2/*
3 * Project Odin Software License can be found in LICENSE.TXT
4 *
5 * Win32 Named Pipes device access class
6 *
7 * Copyright 2000 Przemyslaw Dobrowolski <dobrawka@asua.org.pl>
8 *
9 * TODO: OVERLAPPED results!!!!
10 *
11 * PD: All my work for Odin I dedicate to my deceased mother.
12 *
13 */
14#include <odin.h>
15#include <os2win.h>
16#include <misc.h>
17#include "HMDevice.h"
18#include "HMFile.h"
19#include "HMNPipe.h"
20#include "oslibdos.h"
21#include <string.h>
22
23#define DBG_LOCALLOG DBG_hmnpipe
24#include "dbglocal.h"
25
26#undef DEBUG_LOCAL
27//#define DEBUG_LOCAL
28
29#ifdef DEBUG_LOCAL
30# define dprintfl(a) dprintf(a)
31#else
32inline void ignore_dprintf(...){}
33# define dprintfl(a) ignore_dprintf(a)
34#endif
35
36/*****************************************************************************
37 Register PIPE device class
38 *****************************************************************************/
39HMDeviceNamedPipeClass::HMDeviceNamedPipeClass(LPCSTR lpDeviceName) : HMDeviceFileClass(lpDeviceName)
40{
41 HMDeviceRegisterEx("\\\\.\\PIPE", this, NULL);
42}
43/*****************************************************************************
44 * Name : HMDeviceNamedPipeClass::FindDevice
45 * Purpose : Checks if lpDeviceName belongs to this device class
46 * Parameters: LPCSTR lpClassDevName
47 * LPCSTR lpDeviceName
48 * int namelength
49 * Variables :
50 * Result :
51 * Remark :
52 * Status :
53 *
54 * Author : SvL
55 *****************************************************************************/
56BOOL HMDeviceNamedPipeClass::FindDevice(LPCSTR lpClassDevName, LPCSTR lpDeviceName, int namelength)
57{
58 if(lstrncmpiA("\\\\.\\PIPE\\", lpDeviceName, 9) == 0) {
59 return TRUE;
60 }
61 return FALSE;
62}
63//******************************************************************************
64//******************************************************************************
65BOOL HMDeviceNamedPipeClass::PeekNamedPipe(PHMHANDLEDATA pHMHandleData,
66 LPVOID lpvBuffer,
67 DWORD cbBuffer,
68 LPDWORD lpcbRead,
69 LPDWORD lpcbAvail,
70 LPDWORD lpcbMessage)
71{
72 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::PeekNamedPipe %s(%08x)\n",
73 lpHMDeviceName, pHMHandleData));
74
75 return OSLibDosPeekNamedPipe(pHMHandleData->hHMHandle,
76 lpvBuffer,
77 cbBuffer,
78 lpcbRead,
79 lpcbAvail,
80 lpcbMessage);
81}
82
83//******************************************************************************
84//******************************************************************************
85DWORD HMDeviceNamedPipeClass::CreateNamedPipe(PHMHANDLEDATA pHMHandleData,
86 LPCTSTR lpName,
87 DWORD dwOpenMode,
88 DWORD dwPipeMode,
89 DWORD nMaxInstances,
90 DWORD nOutBufferSize,
91 DWORD nInBufferSize,
92 DWORD nDefaultTimeOut,
93 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
94{
95 pHMHandleData->dwInternalType = HMTYPE_PIPE;
96
97 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::CreateNamedPipe %s\n",
98 lpName));
99
100
101 pHMHandleData->hHMHandle = OSLibDosCreateNamedPipe( lpName,
102 dwOpenMode,
103 dwPipeMode,
104 nMaxInstances,
105 nOutBufferSize,
106 nInBufferSize,
107 nDefaultTimeOut,
108 lpSecurityAttributes );
109
110
111 return (pHMHandleData->hHMHandle);
112}
113/*****************************************************************************
114 * Name : DWORD HMDeviceNamedPipeClass::CreateFile
115 * Purpose : this is called from the handle manager if a CreateFile() is
116 * performed on a handle
117 * Parameters: LPCSTR lpFileName name of the file / device
118 * PHMHANDLEDATA pHMHandleData data of the NEW handle
119 * PVOID lpSecurityAttributes ignored
120 * PHMHANDLEDATA pHMHandleDataTemplate data of the template handle
121 * Variables :
122 * Result :
123 * Remark :
124 * Status : NO_ERROR - API succeeded
125 * other - what is to be set in SetLastError
126 *
127 * Author : SvL
128 *****************************************************************************/
129
130DWORD HMDeviceNamedPipeClass::CreateFile (LPCSTR lpFileName,
131 PHMHANDLEDATA pHMHandleData,
132 PVOID lpSecurityAttributes,
133 PHMHANDLEDATA pHMHandleDataTemplate)
134{
135 pHMHandleData->hHMHandle = OSLibDosOpenPipe(lpFileName,
136 pHMHandleData->dwAccess,
137 pHMHandleData->dwShare,
138 (LPSECURITY_ATTRIBUTES)lpSecurityAttributes,
139 pHMHandleData->dwCreation,
140 pHMHandleData->dwFlags);
141 if(pHMHandleData->hHMHandle == -1) {
142 return GetLastError();
143 }
144 return ERROR_SUCCESS;
145}
146
147/*****************************************************************************
148 * Name : DWORD HMDeviceFileClass::GetFileType
149 * Purpose : determine the handle type
150 * Parameters: PHMHANDLEDATA pHMHandleData
151 * Variables :
152 * Result : API returncode
153 * Remark :
154 * Status :
155 *
156 * Author : SvL
157 *****************************************************************************/
158
159DWORD HMDeviceNamedPipeClass::GetFileType(PHMHANDLEDATA pHMHandleData)
160{
161 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::GetFileType %s(%08x)\n",
162 lpHMDeviceName,
163 pHMHandleData));
164
165 return FILE_TYPE_PIPE;
166}
167
168/*****************************************************************************
169 * Name : DWORD HMDeviceNamedPipeClass::CloseHandle
170 * Purpose : close the handle
171 * Parameters: PHMHANDLEDATA pHMHandleData
172 * Variables :
173 * Result : API returncode
174 * Remark :
175 * Status :
176 *
177 * Author : SvL
178 *****************************************************************************/
179
180BOOL HMDeviceNamedPipeClass::CloseHandle(PHMHANDLEDATA pHMHandleData)
181{
182 dprintf(("KERNEL32: HMDeviceNamedPipeClass::CloseHandle(%08x)", pHMHandleData->hHMHandle));
183
184 OSLibDosDisconnectNamedPipe(pHMHandleData->hHMHandle);
185 return OSLibDosClose(pHMHandleData->hHMHandle);
186}
187//******************************************************************************
188//******************************************************************************
189BOOL HMDeviceNamedPipeClass::CreatePipe(PHMHANDLEDATA pHMHandleDataRead,
190 PHMHANDLEDATA pHMHandleDataWrite,
191 LPSECURITY_ATTRIBUTES lpsa,
192 DWORD cbPipe)
193{
194 pHMHandleDataRead->dwInternalType = HMTYPE_PIPE;
195 pHMHandleDataWrite->dwInternalType = HMTYPE_PIPE;
196
197 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::CreatePipe"));
198
199 if(!OSLibDosCreatePipe(&pHMHandleDataRead->hHMHandle,
200 &pHMHandleDataWrite->hHMHandle,
201 lpsa,
202 cbPipe))
203 return TRUE;
204 else
205 return(FALSE);
206}
207//******************************************************************************
208//******************************************************************************
209BOOL HMDeviceNamedPipeClass::ConnectNamedPipe( PHMHANDLEDATA pHMHandleData,
210 LPOVERLAPPED lpOverlapped)
211{
212 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::ConnectNamedPipe %s(%08x) [%08x]\n",
213 lpHMDeviceName, pHMHandleData,lpOverlapped));
214
215 return OSLibDosConnectNamedPipe(pHMHandleData->hHMHandle,lpOverlapped);
216}
217
218//******************************************************************************
219//******************************************************************************
220BOOL HMDeviceNamedPipeClass::DisconnectNamedPipe(PHMHANDLEDATA pHMHandleData)
221{
222 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::DisconnectNamedPipe %s(%08x)\n",
223 lpHMDeviceName, pHMHandleData));
224
225 return OSLibDosDisconnectNamedPipe(pHMHandleData->hHMHandle);
226}
227
228//******************************************************************************
229//******************************************************************************
230BOOL HMDeviceNamedPipeClass::GetNamedPipeHandleState(PHMHANDLEDATA pHMHandleData,
231 LPDWORD lpState,
232 LPDWORD lpCurInstances,
233 LPDWORD lpMaxCollectionCount,
234 LPDWORD lpCollectDataTimeout,
235 LPTSTR lpUserName,
236 DWORD nMaxUserNameSize)
237{
238 dprintf(("KERNEL32: HMDeviceNamedPipeClass::GetNamedPipeHandleStateA (%s) (%08xh,%08xh,%08xh,%08xh,%08xh,%08xh) NIY\n",
239 lpHMDeviceName,
240 lpState,
241 lpCurInstances,
242 lpMaxCollectionCount,
243 lpCollectDataTimeout,
244 lpUserName,
245 nMaxUserNameSize));
246
247 return (FALSE);
248}
249
250//******************************************************************************
251//******************************************************************************
252BOOL HMDeviceNamedPipeClass::GetNamedPipeInfo(PHMHANDLEDATA pHMHandleData,
253 LPDWORD lpFlags,
254 LPDWORD lpOutBufferSize,
255 LPDWORD lpInBufferSize,
256 LPDWORD lpMaxInstances)
257{
258
259 dprintf(("KERNEL32: HMDeviceNamedPipeClass::GetNamedPipeInfo (%s) (%08xh,%08xh,%08xh,%08xh) NIY\n",
260 lpHMDeviceName,
261 lpFlags,
262 lpOutBufferSize,
263 lpInBufferSize,
264 lpMaxInstances));
265
266 return (FALSE);
267}
268//******************************************************************************
269//******************************************************************************
270DWORD HMDeviceNamedPipeClass::TransactNamedPipe(PHMHANDLEDATA pHMHandleData,
271 LPVOID lpvWriteBuf,
272 DWORD cbWriteBuf,
273 LPVOID lpvReadBuf,
274 DWORD cbReadBuf,
275 LPDWORD lpcbRead,
276 LPOVERLAPPED lpo)
277{
278
279 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::TransactNamedPipe %s(%08x) - [%08x,%08x,%08x,%08x,%08x,%08x]\n",
280 lpHMDeviceName, pHMHandleData,lpvWriteBuf,cbWriteBuf,lpvReadBuf,cbReadBuf,lpcbRead,lpo));
281
282 return(OSLibDosTransactNamedPipe( pHMHandleData->hHMHandle,
283 lpvWriteBuf,
284 cbWriteBuf,
285 lpvReadBuf,
286 cbReadBuf,
287 lpcbRead,
288 lpo));
289}
290//******************************************************************************
291//******************************************************************************
292BOOL HMDeviceNamedPipeClass::SetNamedPipeHandleState(PHMHANDLEDATA pHMHandleData,
293 LPDWORD lpdwMode,
294 LPDWORD lpcbMaxCollect,
295 LPDWORD lpdwCollectDataTimeout)
296{
297 BOOL ret;
298
299 dprintf(("KERNEL32: HMDeviceNamedPipeClass::SetNamedPipeInfo (%s) (%08xh,%08xh,%08xh)",
300 lpdwMode,lpcbMaxCollect,lpdwCollectDataTimeout));
301
302 if(lpdwMode) {
303 ret = OSLibSetNamedPipeState(pHMHandleData->hHMHandle, *lpdwMode);
304 }
305 if(lpcbMaxCollect || lpdwCollectDataTimeout) {
306 dprintf(("WARNING: Not supported -> lpcbMaxCollect & lpdwCollectDataTimeout"));
307 }
308 return ret;
309}
310//******************************************************************************
311//******************************************************************************
312BOOL HMDeviceNamedPipeClass::GetOverlappedResult(PHMHANDLEDATA pHMHandleData,
313 LPOVERLAPPED arg2,
314 LPDWORD arg3,
315 BOOL arg4)
316{
317 return (FALSE);
318}
319/*****************************************************************************
320 * Name : BOOL HMDeviceNamedPipeClass::ReadFile
321 * Purpose : read data from handle / device
322 * Parameters: PHMHANDLEDATA pHMHandleData,
323 * LPCVOID lpBuffer,
324 * DWORD nNumberOfBytesToRead,
325 * LPDWORD lpNumberOfBytesRead,
326 * LPOVERLAPPED lpOverlapped
327 * Variables :
328 * Result : Boolean
329 * Remark :
330 * Status :
331 *
332 * Author : SvL
333 *****************************************************************************/
334
335BOOL HMDeviceNamedPipeClass::ReadFile(PHMHANDLEDATA pHMHandleData,
336 LPCVOID lpBuffer,
337 DWORD nNumberOfBytesToRead,
338 LPDWORD lpNumberOfBytesRead,
339 LPOVERLAPPED lpOverlapped,
340 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
341{
342 DWORD bytesread;
343 BOOL bRC;
344
345 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::ReadFile %s(%08x,%08x,%08x,%08x,%08x) - stub?\n",
346 lpHMDeviceName,
347 pHMHandleData,
348 lpBuffer,
349 nNumberOfBytesToRead,
350 lpNumberOfBytesRead,
351 lpOverlapped));
352
353 //This pointer can to be NULL
354 if(lpNumberOfBytesRead)
355 *lpNumberOfBytesRead = 0;
356 else
357 lpNumberOfBytesRead = &bytesread;
358
359 if((pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED) && !lpOverlapped) {
360 dprintf(("FILE_FLAG_OVERLAPPED flag set, but lpOverlapped NULL!!"));
361 SetLastError(ERROR_INVALID_PARAMETER);
362 return FALSE;
363 }
364 if(!(pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED) && lpOverlapped) {
365 dprintf(("Warning: lpOverlapped != NULL & !FILE_FLAG_OVERLAPPED; sync operation"));
366 }
367 if(lpCompletionRoutine) {
368 dprintf(("!WARNING!: lpCompletionRoutine not supported -> fall back to sync IO"));
369 }
370
371 if(pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED) {
372 dprintf(("ERROR: Overlapped IO not yet implememented!!"));
373 }
374
375 bRC = HMDeviceFileClass::ReadFile(pHMHandleData,
376 lpBuffer,
377 nNumberOfBytesToRead,
378 lpNumberOfBytesRead,
379 lpOverlapped, lpCompletionRoutine);
380
381 dprintf(("KERNEL32: HMDeviceNamedPipeClass::ReadFile returned %08xh; bytes read %d",
382 bRC, *lpNumberOfBytesRead));
383
384 return bRC;
385}
386
387
388/*****************************************************************************
389 * Name : BOOL HMDeviceNamedPipeClass::WriteFile
390 * Purpose : write data to handle / device
391 * Parameters: PHMHANDLEDATA pHMHandleData,
392 * LPCVOID lpBuffer,
393 * DWORD nNumberOfBytesToWrite,
394 * LPDWORD lpNumberOfBytesWritten,
395 * LPOVERLAPPED lpOverlapped
396 * Variables :
397 * Result : Boolean
398 * Remark :
399 * Status :
400 *
401 * Author : SvL
402 *****************************************************************************/
403
404BOOL HMDeviceNamedPipeClass::WriteFile(PHMHANDLEDATA pHMHandleData,
405 LPCVOID lpBuffer,
406 DWORD nNumberOfBytesToWrite,
407 LPDWORD lpNumberOfBytesWritten,
408 LPOVERLAPPED lpOverlapped,
409 LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
410{
411 DWORD byteswritten;
412 BOOL bRC;
413
414 dprintfl(("KERNEL32: HMDeviceNamedPipeClass::WriteFile %s(%08x,%08x,%08x,%08x,%08x) - stub?\n",
415 lpHMDeviceName,
416 pHMHandleData,
417 lpBuffer,
418 nNumberOfBytesToWrite,
419 lpNumberOfBytesWritten,
420 lpOverlapped));
421
422 //This pointer can to be NULL
423 if(lpNumberOfBytesWritten)
424 *lpNumberOfBytesWritten = 0;
425 else
426 lpNumberOfBytesWritten = &byteswritten;
427
428 if((pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED) && !lpOverlapped) {
429 dprintf(("FILE_FLAG_OVERLAPPED flag set, but lpOverlapped NULL!!"));
430 SetLastError(ERROR_INVALID_PARAMETER);
431 return FALSE;
432 }
433 if(!(pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED) && lpOverlapped) {
434 dprintf(("Warning: lpOverlapped != NULL & !FILE_FLAG_OVERLAPPED; sync operation"));
435 }
436
437 if(pHMHandleData->dwFlags & FILE_FLAG_OVERLAPPED) {
438 dprintf(("ERROR: Overlapped IO not yet implememented!!"));
439 }
440 bRC = HMDeviceFileClass::WriteFile(pHMHandleData,
441 lpBuffer,
442 nNumberOfBytesToWrite,
443 lpNumberOfBytesWritten,
444 lpOverlapped, lpCompletionRoutine);
445
446 dprintf(("KERNEL32: HMDeviceNamedPipeClass::WriteFile returned %08xh; bytes written %d",
447 bRC, *lpNumberOfBytesWritten));
448
449 return bRC;
450}
451//******************************************************************************
452//******************************************************************************
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