1 | /* $Id: AudioTestServiceTcp.cpp 99775 2023-05-12 12:21:58Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * AudioTestServiceTcp - Audio test execution server, TCP/IP Transport Layer.
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2021-2023 Oracle and/or its affiliates.
|
---|
8 | *
|
---|
9 | * This file is part of VirtualBox base platform packages, as
|
---|
10 | * available from https://www.virtualbox.org.
|
---|
11 | *
|
---|
12 | * This program is free software; you can redistribute it and/or
|
---|
13 | * modify it under the terms of the GNU General Public License
|
---|
14 | * as published by the Free Software Foundation, in version 3 of the
|
---|
15 | * License.
|
---|
16 | *
|
---|
17 | * This program is distributed in the hope that it will be useful, but
|
---|
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
20 | * General Public License for more details.
|
---|
21 | *
|
---|
22 | * You should have received a copy of the GNU General Public License
|
---|
23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
---|
24 | *
|
---|
25 | * SPDX-License-Identifier: GPL-3.0-only
|
---|
26 | */
|
---|
27 |
|
---|
28 |
|
---|
29 | /*********************************************************************************************************************************
|
---|
30 | * Header Files *
|
---|
31 | *********************************************************************************************************************************/
|
---|
32 | #define LOG_GROUP LOG_GROUP_AUDIO_TEST
|
---|
33 | #include <iprt/log.h>
|
---|
34 |
|
---|
35 | #include <iprt/asm.h>
|
---|
36 | #include <iprt/assert.h>
|
---|
37 | #include <iprt/critsect.h>
|
---|
38 | #include <iprt/err.h>
|
---|
39 | #include <iprt/mem.h>
|
---|
40 | #include <iprt/message.h>
|
---|
41 | #include <iprt/poll.h>
|
---|
42 | #include <iprt/string.h>
|
---|
43 | #include <iprt/tcp.h>
|
---|
44 | #include <iprt/thread.h>
|
---|
45 | #include <iprt/time.h>
|
---|
46 |
|
---|
47 | #include <VBox/log.h>
|
---|
48 |
|
---|
49 | #include "AudioTestService.h"
|
---|
50 | #include "AudioTestServiceInternal.h"
|
---|
51 |
|
---|
52 |
|
---|
53 | /*********************************************************************************************************************************
|
---|
54 | * Defined Constants And Macros *
|
---|
55 | *********************************************************************************************************************************/
|
---|
56 |
|
---|
57 |
|
---|
58 | /*********************************************************************************************************************************
|
---|
59 | * Structures and Typedefs *
|
---|
60 | *********************************************************************************************************************************/
|
---|
61 | /**
|
---|
62 | * TCP specific client data.
|
---|
63 | */
|
---|
64 | typedef struct ATSTRANSPORTCLIENT
|
---|
65 | {
|
---|
66 | /** Socket of the current client. */
|
---|
67 | RTSOCKET hTcpClient;
|
---|
68 | /** Indicates whether \a hTcpClient comes from the server or from a client
|
---|
69 | * connect (relevant when closing it). */
|
---|
70 | bool fFromServer;
|
---|
71 | /** The size of the stashed data. */
|
---|
72 | size_t cbTcpStashed;
|
---|
73 | /** The size of the stashed data allocation. */
|
---|
74 | size_t cbTcpStashedAlloced;
|
---|
75 | /** The stashed data. */
|
---|
76 | uint8_t *pbTcpStashed;
|
---|
77 | } ATSTRANSPORTCLIENT;
|
---|
78 |
|
---|
79 | /**
|
---|
80 | * Structure for keeping Audio Test Service (ATS) transport instance-specific data.
|
---|
81 | */
|
---|
82 | typedef struct ATSTRANSPORTINST
|
---|
83 | {
|
---|
84 | /** Critical section for serializing access. */
|
---|
85 | RTCRITSECT CritSect;
|
---|
86 | /** Connection mode to use. */
|
---|
87 | ATSCONNMODE enmConnMode;
|
---|
88 | /** The addresses to bind to. Empty string means any. */
|
---|
89 | char szBindAddr[256];
|
---|
90 | /** The TCP port to listen to. */
|
---|
91 | uint32_t uBindPort;
|
---|
92 | /** The addresses to connect to if running in reversed (VM NATed) mode. */
|
---|
93 | char szConnectAddr[256];
|
---|
94 | /** The TCP port to connect to if running in reversed (VM NATed) mode. */
|
---|
95 | uint32_t uConnectPort;
|
---|
96 | /** Pointer to the TCP server instance. */
|
---|
97 | PRTTCPSERVER pTcpServer;
|
---|
98 | /** Thread calling RTTcpServerListen2. */
|
---|
99 | RTTHREAD hThreadServer;
|
---|
100 | /** Thread calling RTTcpClientConnect. */
|
---|
101 | RTTHREAD hThreadConnect;
|
---|
102 | /** The main thread handle (for signalling). */
|
---|
103 | RTTHREAD hThreadMain;
|
---|
104 | /** Stop connecting attempts when set. */
|
---|
105 | bool fStopConnecting;
|
---|
106 | /** Connect cancel cookie. */
|
---|
107 | PRTTCPCLIENTCONNECTCANCEL volatile pConnectCancelCookie;
|
---|
108 | } ATSTRANSPORTINST;
|
---|
109 | /** Pointer to an Audio Test Service (ATS) TCP/IP transport instance. */
|
---|
110 | typedef ATSTRANSPORTINST *PATSTRANSPORTINST;
|
---|
111 |
|
---|
112 | /**
|
---|
113 | * Structure holding an ATS connection context, which is
|
---|
114 | * required when connecting a client via server (listening) or client (connecting).
|
---|
115 | */
|
---|
116 | typedef struct ATSCONNCTX
|
---|
117 | {
|
---|
118 | /** Pointer to transport instance to use. */
|
---|
119 | PATSTRANSPORTINST pInst;
|
---|
120 | /** Pointer to transport client to connect. */
|
---|
121 | PATSTRANSPORTCLIENT pClient;
|
---|
122 | /** Connection timeout (in ms).
|
---|
123 | * Use RT_INDEFINITE_WAIT to wait indefinitely. */
|
---|
124 | uint32_t msTimeout;
|
---|
125 | } ATSCONNCTX;
|
---|
126 | /** Pointer to an Audio Test Service (ATS) TCP/IP connection context. */
|
---|
127 | typedef ATSCONNCTX *PATSCONNCTX;
|
---|
128 |
|
---|
129 |
|
---|
130 | /*********************************************************************************************************************************
|
---|
131 | * Global Variables *
|
---|
132 | *********************************************************************************************************************************/
|
---|
133 |
|
---|
134 | /**
|
---|
135 | * Disconnects the current client and frees all stashed data.
|
---|
136 | *
|
---|
137 | * @param pThis Transport instance.
|
---|
138 | * @param pClient Client to disconnect.
|
---|
139 | */
|
---|
140 | static void atsTcpDisconnectClient(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient)
|
---|
141 | {
|
---|
142 | RT_NOREF(pThis);
|
---|
143 |
|
---|
144 | LogRelFlowFunc(("pClient=%RTsock\n", pClient->hTcpClient));
|
---|
145 |
|
---|
146 | if (pClient->hTcpClient != NIL_RTSOCKET)
|
---|
147 | {
|
---|
148 | LogRelFlowFunc(("%RTsock\n", pClient->hTcpClient));
|
---|
149 |
|
---|
150 | int rc;
|
---|
151 | if (pClient->fFromServer)
|
---|
152 | rc = RTTcpServerDisconnectClient2(pClient->hTcpClient);
|
---|
153 | else
|
---|
154 | rc = RTTcpClientClose(pClient->hTcpClient);
|
---|
155 | pClient->hTcpClient = NIL_RTSOCKET;
|
---|
156 | AssertRCSuccess(rc);
|
---|
157 | }
|
---|
158 |
|
---|
159 | if (pClient->pbTcpStashed)
|
---|
160 | {
|
---|
161 | RTMemFree(pClient->pbTcpStashed);
|
---|
162 | pClient->pbTcpStashed = NULL;
|
---|
163 | }
|
---|
164 | }
|
---|
165 |
|
---|
166 | /**
|
---|
167 | * Free's a client.
|
---|
168 | *
|
---|
169 | * @param pThis Transport instance.
|
---|
170 | * @param pClient Client to free.
|
---|
171 | * The pointer will be invalid after calling.
|
---|
172 | */
|
---|
173 | static void atsTcpFreeClient(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient)
|
---|
174 | {
|
---|
175 | if (!pClient)
|
---|
176 | return;
|
---|
177 |
|
---|
178 | /* Make sure to disconnect first. */
|
---|
179 | atsTcpDisconnectClient(pThis, pClient);
|
---|
180 |
|
---|
181 | RTMemFree(pClient);
|
---|
182 | pClient = NULL;
|
---|
183 | }
|
---|
184 |
|
---|
185 | /**
|
---|
186 | * Sets the current client socket in a safe manner.
|
---|
187 | *
|
---|
188 | * @returns NIL_RTSOCKET if consumed, otherwise hTcpClient.
|
---|
189 | * @param pThis Transport instance.
|
---|
190 | * @param pClient Client to set the socket for.
|
---|
191 | * @param fFromServer Whether the socket is from a server (listening) or client (connecting) call.
|
---|
192 | * Important when closing / disconnecting.
|
---|
193 | * @param hTcpClient The client socket.
|
---|
194 | */
|
---|
195 | static RTSOCKET atsTcpSetClient(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient, bool fFromServer, RTSOCKET hTcpClient)
|
---|
196 | {
|
---|
197 | RTCritSectEnter(&pThis->CritSect);
|
---|
198 | if ( pClient->hTcpClient == NIL_RTSOCKET
|
---|
199 | && !pThis->fStopConnecting)
|
---|
200 | {
|
---|
201 | LogRelFlowFunc(("New client %RTsock connected (fFromServer=%RTbool)\n", hTcpClient, fFromServer));
|
---|
202 |
|
---|
203 | pClient->fFromServer = fFromServer;
|
---|
204 | pClient->hTcpClient = hTcpClient;
|
---|
205 | hTcpClient = NIL_RTSOCKET; /* Invalidate, as pClient has now ownership. */
|
---|
206 | }
|
---|
207 | RTCritSectLeave(&pThis->CritSect);
|
---|
208 | return hTcpClient;
|
---|
209 | }
|
---|
210 |
|
---|
211 | /**
|
---|
212 | * Checks if it's a fatal RTTcpClientConnect return code.
|
---|
213 | *
|
---|
214 | * @returns true / false.
|
---|
215 | * @param rc The IPRT status code.
|
---|
216 | */
|
---|
217 | static bool atsTcpIsFatalClientConnectStatus(int rc)
|
---|
218 | {
|
---|
219 | return rc != VERR_NET_UNREACHABLE
|
---|
220 | && rc != VERR_NET_HOST_DOWN
|
---|
221 | && rc != VERR_NET_HOST_UNREACHABLE
|
---|
222 | && rc != VERR_NET_CONNECTION_REFUSED
|
---|
223 | && rc != VERR_TIMEOUT
|
---|
224 | && rc != VERR_NET_CONNECTION_TIMED_OUT;
|
---|
225 | }
|
---|
226 |
|
---|
227 | /**
|
---|
228 | * Server mode connection thread.
|
---|
229 | *
|
---|
230 | * @returns iprt status code.
|
---|
231 | * @param hSelf Thread handle. Ignored.
|
---|
232 | * @param pvUser Pointer to ATSTRANSPORTINST the thread is bound to.
|
---|
233 | */
|
---|
234 | static DECLCALLBACK(int) atsTcpServerConnectThread(RTTHREAD hSelf, void *pvUser)
|
---|
235 | {
|
---|
236 | RT_NOREF(hSelf);
|
---|
237 |
|
---|
238 | PATSCONNCTX pConnCtx = (PATSCONNCTX)pvUser;
|
---|
239 | PATSTRANSPORTINST pThis = pConnCtx->pInst;
|
---|
240 | PATSTRANSPORTCLIENT pClient = pConnCtx->pClient;
|
---|
241 |
|
---|
242 | /** @todo Implement cancellation support for using pConnCtx->msTimeout. */
|
---|
243 |
|
---|
244 | LogRelFlowFuncEnter();
|
---|
245 |
|
---|
246 | RTSOCKET hTcpClient;
|
---|
247 | int rc = RTTcpServerListen2(pThis->pTcpServer, &hTcpClient);
|
---|
248 | if (RT_SUCCESS(rc))
|
---|
249 | {
|
---|
250 | hTcpClient = atsTcpSetClient(pThis, pClient, true /* fFromServer */, hTcpClient);
|
---|
251 | RTTcpServerDisconnectClient2(hTcpClient);
|
---|
252 | }
|
---|
253 |
|
---|
254 | LogRelFlowFuncLeaveRC(rc);
|
---|
255 | return rc;
|
---|
256 | }
|
---|
257 |
|
---|
258 | /**
|
---|
259 | * Client mode connection thread.
|
---|
260 | *
|
---|
261 | * @returns iprt status code.
|
---|
262 | * @param hSelf Thread handle. Use to sleep on. The main thread will
|
---|
263 | * signal it to speed up thread shutdown.
|
---|
264 | * @param pvUser Pointer to a connection context (PATSCONNCTX) the thread is bound to.
|
---|
265 | */
|
---|
266 | static DECLCALLBACK(int) atsTcpClientConnectThread(RTTHREAD hSelf, void *pvUser)
|
---|
267 | {
|
---|
268 | PATSCONNCTX pConnCtx = (PATSCONNCTX)pvUser;
|
---|
269 | PATSTRANSPORTINST pThis = pConnCtx->pInst;
|
---|
270 | PATSTRANSPORTCLIENT pClient = pConnCtx->pClient;
|
---|
271 |
|
---|
272 | uint64_t msStartTs = RTTimeMilliTS();
|
---|
273 |
|
---|
274 | LogRelFlowFuncEnter();
|
---|
275 |
|
---|
276 | for (;;)
|
---|
277 | {
|
---|
278 | /* Stop? */
|
---|
279 | RTCritSectEnter(&pThis->CritSect);
|
---|
280 | bool fStop = pThis->fStopConnecting;
|
---|
281 | RTCritSectLeave(&pThis->CritSect);
|
---|
282 | if (fStop)
|
---|
283 | return VINF_SUCCESS;
|
---|
284 |
|
---|
285 | /* Try connect. */ /** @todo make cancelable! */
|
---|
286 | RTSOCKET hTcpClient;
|
---|
287 | int rc = RTTcpClientConnectEx(pThis->szConnectAddr, pThis->uConnectPort, &hTcpClient,
|
---|
288 | RT_SOCKETCONNECT_DEFAULT_WAIT, &pThis->pConnectCancelCookie);
|
---|
289 | if (RT_SUCCESS(rc))
|
---|
290 | {
|
---|
291 | hTcpClient = atsTcpSetClient(pThis, pClient, false /* fFromServer */, hTcpClient);
|
---|
292 | RTTcpClientCloseEx(hTcpClient, true /* fGracefulShutdown*/);
|
---|
293 | break;
|
---|
294 | }
|
---|
295 |
|
---|
296 | if (atsTcpIsFatalClientConnectStatus(rc))
|
---|
297 | return rc;
|
---|
298 |
|
---|
299 | if ( pConnCtx->msTimeout != RT_INDEFINITE_WAIT
|
---|
300 | && RTTimeMilliTS() - msStartTs >= pConnCtx->msTimeout)
|
---|
301 | {
|
---|
302 | LogRelFlowFunc(("Timed out (%RU32ms)\n", pConnCtx->msTimeout));
|
---|
303 | return VERR_TIMEOUT;
|
---|
304 | }
|
---|
305 |
|
---|
306 | /* Delay a wee bit before retrying. */
|
---|
307 | RTThreadUserWait(hSelf, 1536);
|
---|
308 | }
|
---|
309 |
|
---|
310 | LogRelFlowFuncLeave();
|
---|
311 | return VINF_SUCCESS;
|
---|
312 | }
|
---|
313 |
|
---|
314 | /**
|
---|
315 | * Wait on the threads to complete.
|
---|
316 | *
|
---|
317 | * @returns Thread status (if collected), otherwise VINF_SUCCESS.
|
---|
318 | * @param pThis Transport instance.
|
---|
319 | * @param cMillies The period to wait on each thread.
|
---|
320 | */
|
---|
321 | static int atsTcpConnectWaitOnThreads(PATSTRANSPORTINST pThis, RTMSINTERVAL cMillies)
|
---|
322 | {
|
---|
323 | int rcRet = VINF_SUCCESS;
|
---|
324 |
|
---|
325 | LogRelFlowFuncEnter();
|
---|
326 |
|
---|
327 | if (pThis->hThreadConnect != NIL_RTTHREAD)
|
---|
328 | {
|
---|
329 | int rcThread;
|
---|
330 | int rc2 = RTThreadWait(pThis->hThreadConnect, cMillies, &rcThread);
|
---|
331 | if (RT_SUCCESS(rc2))
|
---|
332 | {
|
---|
333 | pThis->hThreadConnect = NIL_RTTHREAD;
|
---|
334 | rcRet = rcThread;
|
---|
335 | }
|
---|
336 | }
|
---|
337 |
|
---|
338 | if (pThis->hThreadServer != NIL_RTTHREAD)
|
---|
339 | {
|
---|
340 | int rcThread;
|
---|
341 | int rc2 = RTThreadWait(pThis->hThreadServer, cMillies, &rcThread);
|
---|
342 | if (RT_SUCCESS(rc2))
|
---|
343 | {
|
---|
344 | pThis->hThreadServer = NIL_RTTHREAD;
|
---|
345 | if (RT_SUCCESS(rc2))
|
---|
346 | rcRet = rcThread;
|
---|
347 | }
|
---|
348 | }
|
---|
349 |
|
---|
350 | LogRelFlowFuncLeaveRC(rcRet);
|
---|
351 | return rcRet;
|
---|
352 | }
|
---|
353 |
|
---|
354 | /**
|
---|
355 | * @interface_method_impl{ATSTRANSPORT,pfnWaitForConnect}
|
---|
356 | */
|
---|
357 | static DECLCALLBACK(int) atsTcpWaitForConnect(PATSTRANSPORTINST pThis, RTMSINTERVAL msTimeout,
|
---|
358 | bool *pfFromServer, PPATSTRANSPORTCLIENT ppClientNew)
|
---|
359 | {
|
---|
360 | PATSTRANSPORTCLIENT pClient = (PATSTRANSPORTCLIENT)RTMemAllocZ(sizeof(ATSTRANSPORTCLIENT));
|
---|
361 | AssertPtrReturn(pClient, VERR_NO_MEMORY);
|
---|
362 |
|
---|
363 | int rc;
|
---|
364 |
|
---|
365 | LogRelFlowFunc(("msTimeout=%RU32, enmConnMode=%#x\n", msTimeout, pThis->enmConnMode));
|
---|
366 |
|
---|
367 | uint64_t msStartTs = RTTimeMilliTS();
|
---|
368 |
|
---|
369 | if (pThis->enmConnMode == ATSCONNMODE_SERVER)
|
---|
370 | {
|
---|
371 | /** @todo Implement cancellation support for using \a msTimeout. */
|
---|
372 |
|
---|
373 | pClient->fFromServer = true;
|
---|
374 | rc = RTTcpServerListen2(pThis->pTcpServer, &pClient->hTcpClient);
|
---|
375 | LogRelFlowFunc(("RTTcpServerListen2(%RTsock) -> %Rrc\n", pClient->hTcpClient, rc));
|
---|
376 | }
|
---|
377 | else if (pThis->enmConnMode == ATSCONNMODE_CLIENT)
|
---|
378 | {
|
---|
379 | pClient->fFromServer = false;
|
---|
380 | for (;;)
|
---|
381 | {
|
---|
382 | LogRelFlowFunc(("Calling RTTcpClientConnect(%s, %u,)...\n", pThis->szConnectAddr, pThis->uConnectPort));
|
---|
383 | rc = RTTcpClientConnect(pThis->szConnectAddr, pThis->uConnectPort, &pClient->hTcpClient);
|
---|
384 | LogRelFlowFunc(("RTTcpClientConnect(%RTsock) -> %Rrc\n", pClient->hTcpClient, rc));
|
---|
385 | if (RT_SUCCESS(rc) || atsTcpIsFatalClientConnectStatus(rc))
|
---|
386 | break;
|
---|
387 |
|
---|
388 | if ( msTimeout != RT_INDEFINITE_WAIT
|
---|
389 | && RTTimeMilliTS() - msStartTs >= msTimeout)
|
---|
390 | {
|
---|
391 | rc = VERR_TIMEOUT;
|
---|
392 | break;
|
---|
393 | }
|
---|
394 |
|
---|
395 | if (pThis->fStopConnecting)
|
---|
396 | {
|
---|
397 | rc = VINF_SUCCESS;
|
---|
398 | break;
|
---|
399 | }
|
---|
400 |
|
---|
401 | /* Delay a wee bit before retrying. */
|
---|
402 | RTThreadSleep(1536);
|
---|
403 | }
|
---|
404 | }
|
---|
405 | else
|
---|
406 | {
|
---|
407 | Assert(pThis->enmConnMode == ATSCONNMODE_BOTH);
|
---|
408 |
|
---|
409 | /*
|
---|
410 | * Create client threads.
|
---|
411 | */
|
---|
412 | RTCritSectEnter(&pThis->CritSect);
|
---|
413 |
|
---|
414 | pThis->fStopConnecting = false;
|
---|
415 | RTCritSectLeave(&pThis->CritSect);
|
---|
416 |
|
---|
417 | atsTcpConnectWaitOnThreads(pThis, 32 /* cMillies */);
|
---|
418 |
|
---|
419 | ATSCONNCTX ConnCtx;
|
---|
420 | RT_ZERO(ConnCtx);
|
---|
421 | ConnCtx.pInst = pThis;
|
---|
422 | ConnCtx.pClient = pClient;
|
---|
423 | ConnCtx.msTimeout = msTimeout;
|
---|
424 |
|
---|
425 | rc = VINF_SUCCESS;
|
---|
426 | if (pThis->hThreadConnect == NIL_RTTHREAD)
|
---|
427 | {
|
---|
428 | pThis->pConnectCancelCookie = NULL;
|
---|
429 | rc = RTThreadCreate(&pThis->hThreadConnect, atsTcpClientConnectThread, &ConnCtx, 0, RTTHREADTYPE_DEFAULT,
|
---|
430 | RTTHREADFLAGS_WAITABLE, "tcpconn");
|
---|
431 | }
|
---|
432 | if (pThis->hThreadServer == NIL_RTTHREAD && RT_SUCCESS(rc))
|
---|
433 | rc = RTThreadCreate(&pThis->hThreadServer, atsTcpServerConnectThread, &ConnCtx, 0, RTTHREADTYPE_DEFAULT,
|
---|
434 | RTTHREADFLAGS_WAITABLE, "tcpserv");
|
---|
435 |
|
---|
436 | RTCritSectEnter(&pThis->CritSect);
|
---|
437 |
|
---|
438 | /*
|
---|
439 | * Wait for connection to be established.
|
---|
440 | */
|
---|
441 | while ( RT_SUCCESS(rc)
|
---|
442 | && pClient->hTcpClient == NIL_RTSOCKET)
|
---|
443 | {
|
---|
444 | RTCritSectLeave(&pThis->CritSect);
|
---|
445 | rc = atsTcpConnectWaitOnThreads(pThis, 10 /* cMillies */);
|
---|
446 | RTCritSectEnter(&pThis->CritSect);
|
---|
447 | }
|
---|
448 |
|
---|
449 | /*
|
---|
450 | * Cancel the threads.
|
---|
451 | */
|
---|
452 | pThis->fStopConnecting = true;
|
---|
453 |
|
---|
454 | RTCritSectLeave(&pThis->CritSect);
|
---|
455 | RTTcpClientCancelConnect(&pThis->pConnectCancelCookie);
|
---|
456 | }
|
---|
457 |
|
---|
458 | if (RT_SUCCESS(rc))
|
---|
459 | {
|
---|
460 | if (pfFromServer)
|
---|
461 | *pfFromServer = pClient->fFromServer;
|
---|
462 | *ppClientNew = pClient;
|
---|
463 | }
|
---|
464 | else
|
---|
465 | {
|
---|
466 | if (pClient)
|
---|
467 | {
|
---|
468 | atsTcpFreeClient(pThis, pClient);
|
---|
469 | pClient = NULL;
|
---|
470 | }
|
---|
471 | }
|
---|
472 |
|
---|
473 | if (RT_FAILURE(rc))
|
---|
474 | LogRelFunc(("Failed with %Rrc\n", rc));
|
---|
475 |
|
---|
476 | return rc;
|
---|
477 | }
|
---|
478 |
|
---|
479 | /**
|
---|
480 | * @interface_method_impl{ATSTRANSPORT,pfnNotifyReboot}
|
---|
481 | */
|
---|
482 | static DECLCALLBACK(void) atsTcpNotifyReboot(PATSTRANSPORTINST pThis)
|
---|
483 | {
|
---|
484 | LogRelFlowFuncEnter();
|
---|
485 | if (pThis->pTcpServer)
|
---|
486 | {
|
---|
487 | int rc = RTTcpServerDestroy(pThis->pTcpServer);
|
---|
488 | if (RT_FAILURE(rc))
|
---|
489 | LogRelFunc(("RTTcpServerDestroy failed, rc=%Rrc", rc));
|
---|
490 | pThis->pTcpServer = NULL;
|
---|
491 | }
|
---|
492 | LogRelFlowFuncLeave();
|
---|
493 | }
|
---|
494 |
|
---|
495 | /**
|
---|
496 | * @interface_method_impl{ATSTRANSPORT,pfnNotifyBye}
|
---|
497 | */
|
---|
498 | static DECLCALLBACK(void) atsTcpNotifyBye(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient)
|
---|
499 | {
|
---|
500 | LogRelFlowFunc(("pClient=%RTsock\n", pClient->hTcpClient));
|
---|
501 | atsTcpDisconnectClient(pThis, pClient);
|
---|
502 | }
|
---|
503 |
|
---|
504 | /**
|
---|
505 | * @interface_method_impl{ATSTRANSPORT,pfnNotifyHowdy}
|
---|
506 | */
|
---|
507 | static DECLCALLBACK(void) atsTcpNotifyHowdy(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient)
|
---|
508 | {
|
---|
509 | LogRelFlowFunc(("pClient=%RTsock\n", pClient->hTcpClient));
|
---|
510 |
|
---|
511 | /* nothing to do here */
|
---|
512 | RT_NOREF(pThis);
|
---|
513 | }
|
---|
514 |
|
---|
515 | /**
|
---|
516 | * @interface_method_impl{ATSTRANSPORT,pfnBabble}
|
---|
517 | */
|
---|
518 | static DECLCALLBACK(void) atsTcpBabble(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient, PCATSPKTHDR pPktHdr, RTMSINTERVAL cMsSendTimeout)
|
---|
519 | {
|
---|
520 | /*
|
---|
521 | * Try send the babble reply.
|
---|
522 | */
|
---|
523 | RT_NOREF(cMsSendTimeout); /** @todo implement the timeout here; non-blocking write + select-on-write. */
|
---|
524 | int rc;
|
---|
525 | size_t cbToSend = RT_ALIGN_Z(pPktHdr->cb, ATSPKT_ALIGNMENT);
|
---|
526 | do rc = RTTcpWrite(pClient->hTcpClient, pPktHdr, cbToSend);
|
---|
527 | while (rc == VERR_INTERRUPTED);
|
---|
528 |
|
---|
529 | LogRelFlowFunc(("pClient=%RTsock, rc=%Rrc\n", pClient->hTcpClient, rc));
|
---|
530 |
|
---|
531 | /*
|
---|
532 | * Disconnect the client.
|
---|
533 | */
|
---|
534 | atsTcpDisconnectClient(pThis, pClient);
|
---|
535 | }
|
---|
536 |
|
---|
537 | /**
|
---|
538 | * @interface_method_impl{ATSTRANSPORT,pfnSendPkt}
|
---|
539 | */
|
---|
540 | static DECLCALLBACK(int) atsTcpSendPkt(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient, PCATSPKTHDR pPktHdr)
|
---|
541 | {
|
---|
542 | AssertReturn(pPktHdr->cb >= sizeof(ATSPKTHDR), VERR_INVALID_PARAMETER);
|
---|
543 |
|
---|
544 | /*
|
---|
545 | * Write it.
|
---|
546 | */
|
---|
547 | size_t cbToSend = RT_ALIGN_Z(pPktHdr->cb, ATSPKT_ALIGNMENT);
|
---|
548 |
|
---|
549 | Log3Func(("%RU32 -> %zu\n", pPktHdr->cb, cbToSend));
|
---|
550 |
|
---|
551 | LogRel4(("pClient=%RTsock\n", pClient->hTcpClient));
|
---|
552 | LogRel4(("Header:\n"
|
---|
553 | "%.*Rhxd\n", RT_MIN(sizeof(ATSPKTHDR), cbToSend), pPktHdr));
|
---|
554 |
|
---|
555 | if (cbToSend > sizeof(ATSPKTHDR))
|
---|
556 | LogRel4(("Payload:\n"
|
---|
557 | "%.*Rhxd\n",
|
---|
558 | RT_MIN(64, cbToSend - sizeof(ATSPKTHDR)), (uint8_t *)pPktHdr + sizeof(ATSPKTHDR)));
|
---|
559 |
|
---|
560 | int rc = RTTcpWrite(pClient->hTcpClient, pPktHdr, cbToSend);
|
---|
561 | if ( RT_FAILURE(rc)
|
---|
562 | && rc != VERR_INTERRUPTED)
|
---|
563 | {
|
---|
564 | /* assume fatal connection error. */
|
---|
565 | LogRelFunc(("RTTcpWrite -> %Rrc -> atsTcpDisconnectClient(%RTsock)\n", rc, pClient->hTcpClient));
|
---|
566 | atsTcpDisconnectClient(pThis, pClient);
|
---|
567 | }
|
---|
568 |
|
---|
569 | LogRel3(("atsTcpSendPkt: pClient=%RTsock, achOpcode=%.8s, cbSent=%zu -> %Rrc\n", pClient->hTcpClient, (const char *)pPktHdr->achOpcode, cbToSend, rc));
|
---|
570 | return rc;
|
---|
571 | }
|
---|
572 |
|
---|
573 | /**
|
---|
574 | * @interface_method_impl{ATSTRANSPORT,pfnRecvPkt}
|
---|
575 | */
|
---|
576 | static DECLCALLBACK(int) atsTcpRecvPkt(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient, PPATSPKTHDR ppPktHdr)
|
---|
577 | {
|
---|
578 | int rc = VINF_SUCCESS;
|
---|
579 | *ppPktHdr = NULL;
|
---|
580 |
|
---|
581 | LogRel4(("pClient=%RTsock (cbTcpStashed=%zu, cbTcpStashedAlloced=%zu)\n",
|
---|
582 | pClient->hTcpClient, pClient->cbTcpStashed, pClient->cbTcpStashedAlloced));
|
---|
583 |
|
---|
584 | /*
|
---|
585 | * Read state.
|
---|
586 | */
|
---|
587 | size_t offData = 0;
|
---|
588 | size_t cbData = 0;
|
---|
589 | size_t cbDataAlloced;
|
---|
590 | uint8_t *pbData = NULL;
|
---|
591 |
|
---|
592 | /*
|
---|
593 | * Any stashed data?
|
---|
594 | */
|
---|
595 | if (pClient->cbTcpStashedAlloced)
|
---|
596 | {
|
---|
597 | offData = pClient->cbTcpStashed;
|
---|
598 | cbDataAlloced = pClient->cbTcpStashedAlloced;
|
---|
599 | pbData = pClient->pbTcpStashed;
|
---|
600 |
|
---|
601 | pClient->cbTcpStashed = 0;
|
---|
602 | pClient->cbTcpStashedAlloced = 0;
|
---|
603 | pClient->pbTcpStashed = NULL;
|
---|
604 | }
|
---|
605 | else
|
---|
606 | {
|
---|
607 | cbDataAlloced = RT_ALIGN_Z(64, ATSPKT_ALIGNMENT);
|
---|
608 | pbData = (uint8_t *)RTMemAlloc(cbDataAlloced);
|
---|
609 | AssertPtrReturn(pbData, VERR_NO_MEMORY);
|
---|
610 | }
|
---|
611 |
|
---|
612 | /*
|
---|
613 | * Read and validate the length.
|
---|
614 | */
|
---|
615 | while (offData < sizeof(uint32_t))
|
---|
616 | {
|
---|
617 | size_t cbRead;
|
---|
618 | rc = RTTcpRead(pClient->hTcpClient, pbData + offData, sizeof(uint32_t) - offData, &cbRead);
|
---|
619 | if (RT_FAILURE(rc))
|
---|
620 | break;
|
---|
621 | if (cbRead == 0)
|
---|
622 | {
|
---|
623 | LogRelFunc(("RTTcpRead -> %Rrc / cbRead=0 -> VERR_NET_NOT_CONNECTED (#1)\n", rc));
|
---|
624 | rc = VERR_NET_NOT_CONNECTED;
|
---|
625 | break;
|
---|
626 | }
|
---|
627 | offData += cbRead;
|
---|
628 | }
|
---|
629 | if (RT_SUCCESS(rc))
|
---|
630 | {
|
---|
631 | ASMCompilerBarrier(); /* paranoia^3 */
|
---|
632 | cbData = *(uint32_t volatile *)pbData;
|
---|
633 | if (cbData >= sizeof(ATSPKTHDR) && cbData <= ATSPKT_MAX_SIZE)
|
---|
634 | {
|
---|
635 | /*
|
---|
636 | * Align the length and reallocate the return packet it necessary.
|
---|
637 | */
|
---|
638 | cbData = RT_ALIGN_Z(cbData, ATSPKT_ALIGNMENT);
|
---|
639 | if (cbData > cbDataAlloced)
|
---|
640 | {
|
---|
641 | void *pvNew = RTMemRealloc(pbData, cbData);
|
---|
642 | if (pvNew)
|
---|
643 | {
|
---|
644 | pbData = (uint8_t *)pvNew;
|
---|
645 | cbDataAlloced = cbData;
|
---|
646 | }
|
---|
647 | else
|
---|
648 | rc = VERR_NO_MEMORY;
|
---|
649 | }
|
---|
650 | if (RT_SUCCESS(rc))
|
---|
651 | {
|
---|
652 | /*
|
---|
653 | * Read the remainder of the data.
|
---|
654 | */
|
---|
655 | while (offData < cbData)
|
---|
656 | {
|
---|
657 | size_t cbRead;
|
---|
658 | rc = RTTcpRead(pClient->hTcpClient, pbData + offData, cbData - offData, &cbRead);
|
---|
659 | if (RT_FAILURE(rc))
|
---|
660 | break;
|
---|
661 | if (cbRead == 0)
|
---|
662 | {
|
---|
663 | LogRelFunc(("RTTcpRead -> %Rrc / cbRead=0 -> VERR_NET_NOT_CONNECTED (#2)\n", rc));
|
---|
664 | rc = VERR_NET_NOT_CONNECTED;
|
---|
665 | break;
|
---|
666 | }
|
---|
667 |
|
---|
668 | offData += cbRead;
|
---|
669 | }
|
---|
670 |
|
---|
671 | LogRel4(("Header:\n"
|
---|
672 | "%.*Rhxd\n", sizeof(ATSPKTHDR), pbData));
|
---|
673 |
|
---|
674 | if ( RT_SUCCESS(rc)
|
---|
675 | && cbData > sizeof(ATSPKTHDR))
|
---|
676 | LogRel4(("Payload:\n"
|
---|
677 | "%.*Rhxd\n", RT_MIN(64, cbData - sizeof(ATSPKTHDR)), (uint8_t *)pbData + sizeof(ATSPKTHDR)));
|
---|
678 | }
|
---|
679 | }
|
---|
680 | else
|
---|
681 | {
|
---|
682 | LogRelFunc(("Received invalid packet size (%zu)\n", cbData));
|
---|
683 | rc = VERR_NET_PROTOCOL_ERROR;
|
---|
684 | }
|
---|
685 | }
|
---|
686 | if (RT_SUCCESS(rc))
|
---|
687 | *ppPktHdr = (PATSPKTHDR)pbData;
|
---|
688 | else
|
---|
689 | {
|
---|
690 | /*
|
---|
691 | * Deal with errors.
|
---|
692 | */
|
---|
693 | if (rc == VERR_INTERRUPTED)
|
---|
694 | {
|
---|
695 | /* stash it away for the next call. */
|
---|
696 | pClient->cbTcpStashed = cbData;
|
---|
697 | pClient->cbTcpStashedAlloced = cbDataAlloced;
|
---|
698 | pClient->pbTcpStashed = pbData;
|
---|
699 | }
|
---|
700 | else
|
---|
701 | {
|
---|
702 | RTMemFree(pbData);
|
---|
703 |
|
---|
704 | /* assume fatal connection error. */
|
---|
705 | LogRelFunc(("RTTcpRead -> %Rrc -> atsTcpDisconnectClient(%RTsock)\n", rc, pClient->hTcpClient));
|
---|
706 | atsTcpDisconnectClient(pThis, pClient);
|
---|
707 | }
|
---|
708 | }
|
---|
709 |
|
---|
710 | PATSPKTHDR pPktHdr = (PATSPKTHDR)pbData;
|
---|
711 | LogRel3(("atsTcpRecvPkt: pClient=%RTsock, achOpcode=%.8s, cbRead=%zu -> %Rrc\n",
|
---|
712 | pClient->hTcpClient, pPktHdr ? (const char *)pPktHdr->achOpcode : "NONE ", cbData, rc));
|
---|
713 | return rc;
|
---|
714 | }
|
---|
715 |
|
---|
716 | /**
|
---|
717 | * @interface_method_impl{ATSTRANSPORT,pfnPollSetAdd}
|
---|
718 | */
|
---|
719 | static DECLCALLBACK(int) atsTcpPollSetAdd(PATSTRANSPORTINST pThis, RTPOLLSET hPollSet, PATSTRANSPORTCLIENT pClient, uint32_t idStart)
|
---|
720 | {
|
---|
721 | RT_NOREF(pThis);
|
---|
722 | return RTPollSetAddSocket(hPollSet, pClient->hTcpClient, RTPOLL_EVT_READ | RTPOLL_EVT_ERROR, idStart);
|
---|
723 | }
|
---|
724 |
|
---|
725 | /**
|
---|
726 | * @interface_method_impl{ATSTRANSPORT,pfnPollSetRemove}
|
---|
727 | */
|
---|
728 | static DECLCALLBACK(int) atsTcpPollSetRemove(PATSTRANSPORTINST pThis, RTPOLLSET hPollSet, PATSTRANSPORTCLIENT pClient, uint32_t idStart)
|
---|
729 | {
|
---|
730 | RT_NOREF(pThis, pClient);
|
---|
731 | return RTPollSetRemove(hPollSet, idStart);
|
---|
732 | }
|
---|
733 |
|
---|
734 | /**
|
---|
735 | * @interface_method_impl{ATSTRANSPORT,pfnDisconnect}
|
---|
736 | */
|
---|
737 | static DECLCALLBACK(void) atsTcpDisconnect(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient)
|
---|
738 | {
|
---|
739 | atsTcpFreeClient(pThis, pClient);
|
---|
740 | }
|
---|
741 |
|
---|
742 | /**
|
---|
743 | * @interface_method_impl{ATSTRANSPORT,pfnPollIn}
|
---|
744 | */
|
---|
745 | static DECLCALLBACK(bool) atsTcpPollIn(PATSTRANSPORTINST pThis, PATSTRANSPORTCLIENT pClient)
|
---|
746 | {
|
---|
747 | RT_NOREF(pThis);
|
---|
748 | int rc = RTTcpSelectOne(pClient->hTcpClient, 0/*cMillies*/);
|
---|
749 | return RT_SUCCESS(rc);
|
---|
750 | }
|
---|
751 |
|
---|
752 | /**
|
---|
753 | * @interface_method_impl{ATSTRANSPORT,pfnStop}
|
---|
754 | */
|
---|
755 | static DECLCALLBACK(void) atsTcpStop(PATSTRANSPORTINST pThis)
|
---|
756 | {
|
---|
757 | LogRelFlowFuncEnter();
|
---|
758 |
|
---|
759 | /* Signal thread */
|
---|
760 | if (RTCritSectIsInitialized(&pThis->CritSect))
|
---|
761 | {
|
---|
762 | RTCritSectEnter(&pThis->CritSect);
|
---|
763 | pThis->fStopConnecting = true;
|
---|
764 | RTCritSectLeave(&pThis->CritSect);
|
---|
765 | }
|
---|
766 |
|
---|
767 | if (pThis->hThreadConnect != NIL_RTTHREAD)
|
---|
768 | {
|
---|
769 | RTThreadUserSignal(pThis->hThreadConnect);
|
---|
770 | RTTcpClientCancelConnect(&pThis->pConnectCancelCookie);
|
---|
771 | }
|
---|
772 |
|
---|
773 | /* Shut down the server (will wake up thread). */
|
---|
774 | if (pThis->pTcpServer)
|
---|
775 | {
|
---|
776 | LogRelFlowFunc(("Destroying server...\n"));
|
---|
777 | int rc = RTTcpServerDestroy(pThis->pTcpServer);
|
---|
778 | if (RT_FAILURE(rc))
|
---|
779 | LogRelFunc(("RTTcpServerDestroy failed with %Rrc", rc));
|
---|
780 | pThis->pTcpServer = NULL;
|
---|
781 | }
|
---|
782 |
|
---|
783 | /* Wait for the thread (they should've had some time to quit by now). */
|
---|
784 | atsTcpConnectWaitOnThreads(pThis, 15000);
|
---|
785 |
|
---|
786 | LogRelFlowFuncLeave();
|
---|
787 | }
|
---|
788 |
|
---|
789 | /**
|
---|
790 | * @interface_method_impl{ATSTRANSPORT,pfnCreate}
|
---|
791 | */
|
---|
792 | static DECLCALLBACK(int) atsTcpCreate(PATSTRANSPORTINST *ppThis)
|
---|
793 | {
|
---|
794 | PATSTRANSPORTINST pThis = (PATSTRANSPORTINST)RTMemAllocZ(sizeof(ATSTRANSPORTINST));
|
---|
795 | AssertPtrReturn(pThis, VERR_NO_MEMORY);
|
---|
796 |
|
---|
797 | int rc = RTCritSectInit(&pThis->CritSect);
|
---|
798 | if (RT_SUCCESS(rc))
|
---|
799 | {
|
---|
800 | *ppThis = pThis;
|
---|
801 | }
|
---|
802 |
|
---|
803 | return rc;
|
---|
804 | }
|
---|
805 |
|
---|
806 | /**
|
---|
807 | * @interface_method_impl{ATSTRANSPORT,pfnDestroy}
|
---|
808 | */
|
---|
809 | static DECLCALLBACK(int) atsTcpDestroy(PATSTRANSPORTINST pThis)
|
---|
810 | {
|
---|
811 | /* Stop things first. */
|
---|
812 | atsTcpStop(pThis);
|
---|
813 |
|
---|
814 | /* Finally, clean up the critical section. */
|
---|
815 | if (RTCritSectIsInitialized(&pThis->CritSect))
|
---|
816 | RTCritSectDelete(&pThis->CritSect);
|
---|
817 |
|
---|
818 | RTMemFree(pThis);
|
---|
819 | pThis = NULL;
|
---|
820 |
|
---|
821 | return VINF_SUCCESS;
|
---|
822 | }
|
---|
823 |
|
---|
824 | /**
|
---|
825 | * @interface_method_impl{ATSTRANSPORT,pfnStart}
|
---|
826 | */
|
---|
827 | static DECLCALLBACK(int) atsTcpStart(PATSTRANSPORTINST pThis)
|
---|
828 | {
|
---|
829 | int rc = VINF_SUCCESS;
|
---|
830 |
|
---|
831 | if (pThis->enmConnMode != ATSCONNMODE_CLIENT)
|
---|
832 | {
|
---|
833 | rc = RTTcpServerCreateEx(pThis->szBindAddr[0] ? pThis->szBindAddr : NULL, pThis->uBindPort, &pThis->pTcpServer);
|
---|
834 | if (RT_FAILURE(rc))
|
---|
835 | {
|
---|
836 | if (rc == VERR_NET_DOWN)
|
---|
837 | {
|
---|
838 | LogRelFunc(("RTTcpServerCreateEx(%s, %u,) failed: %Rrc, retrying for 20 seconds...\n",
|
---|
839 | pThis->szBindAddr[0] ? pThis->szBindAddr : NULL, pThis->uBindPort, rc));
|
---|
840 | uint64_t StartMs = RTTimeMilliTS();
|
---|
841 | do
|
---|
842 | {
|
---|
843 | RTThreadSleep(1000);
|
---|
844 | rc = RTTcpServerCreateEx(pThis->szBindAddr[0] ? pThis->szBindAddr : NULL, pThis->uBindPort, &pThis->pTcpServer);
|
---|
845 | } while ( rc == VERR_NET_DOWN
|
---|
846 | && RTTimeMilliTS() - StartMs < 20000);
|
---|
847 | if (RT_SUCCESS(rc))
|
---|
848 | LogRelFunc(("RTTcpServerCreateEx succceeded\n"));
|
---|
849 | }
|
---|
850 |
|
---|
851 | if (RT_FAILURE(rc))
|
---|
852 | {
|
---|
853 | LogRelFunc(("RTTcpServerCreateEx(%s, %u,) failed: %Rrc\n",
|
---|
854 | pThis->szBindAddr[0] ? pThis->szBindAddr : NULL, pThis->uBindPort, rc));
|
---|
855 | }
|
---|
856 | }
|
---|
857 | }
|
---|
858 |
|
---|
859 | return rc;
|
---|
860 | }
|
---|
861 |
|
---|
862 | /**
|
---|
863 | * @interface_method_impl{ATSTRANSPORT,pfnOption}
|
---|
864 | */
|
---|
865 | static DECLCALLBACK(int) atsTcpOption(PATSTRANSPORTINST pThis, int ch, PCRTGETOPTUNION pVal)
|
---|
866 | {
|
---|
867 | int rc;
|
---|
868 |
|
---|
869 | switch (ch)
|
---|
870 | {
|
---|
871 | case ATSTCPOPT_CONN_MODE:
|
---|
872 | pThis->enmConnMode = (ATSCONNMODE)pVal->u32;
|
---|
873 | return VINF_SUCCESS;
|
---|
874 |
|
---|
875 | case ATSTCPOPT_BIND_ADDRESS:
|
---|
876 | rc = RTStrCopy(pThis->szBindAddr, sizeof(pThis->szBindAddr), pVal->psz);
|
---|
877 | if (RT_FAILURE(rc))
|
---|
878 | return RTMsgErrorRc(VERR_INVALID_PARAMETER, "TCP bind address is too long (%Rrc)", rc);
|
---|
879 | if (!pThis->szBindAddr[0])
|
---|
880 | return RTMsgErrorRc(VERR_INVALID_PARAMETER, "No TCP bind address specified: %s", pThis->szBindAddr);
|
---|
881 | return VINF_SUCCESS;
|
---|
882 |
|
---|
883 | case ATSTCPOPT_BIND_PORT:
|
---|
884 | pThis->uBindPort = pVal->u16;
|
---|
885 | return VINF_SUCCESS;
|
---|
886 |
|
---|
887 | case ATSTCPOPT_CONNECT_ADDRESS:
|
---|
888 | rc = RTStrCopy(pThis->szConnectAddr, sizeof(pThis->szConnectAddr), pVal->psz);
|
---|
889 | if (RT_FAILURE(rc))
|
---|
890 | return RTMsgErrorRc(VERR_INVALID_PARAMETER, "TCP connect address is too long (%Rrc)", rc);
|
---|
891 | if (!pThis->szConnectAddr[0])
|
---|
892 | return RTMsgErrorRc(VERR_INVALID_PARAMETER, "No TCP connect address specified");
|
---|
893 | return VINF_SUCCESS;
|
---|
894 |
|
---|
895 | case ATSTCPOPT_CONNECT_PORT:
|
---|
896 | pThis->uConnectPort = pVal->u16;
|
---|
897 | return VINF_SUCCESS;
|
---|
898 |
|
---|
899 | default:
|
---|
900 | break;
|
---|
901 | }
|
---|
902 | return VERR_TRY_AGAIN;
|
---|
903 | }
|
---|
904 |
|
---|
905 | /**
|
---|
906 | * @interface_method_impl{ATSTRANSPORT,pfnUsage}
|
---|
907 | */
|
---|
908 | static DECLCALLBACK(void) atsTcpUsage(PRTSTREAM pStream)
|
---|
909 | {
|
---|
910 | RTStrmPrintf(pStream,
|
---|
911 | " --tcp-conn-mode <0=both|1=client|2=server>\n"
|
---|
912 | " Selects the connection mode\n"
|
---|
913 | " Default: 0 (both)\n"
|
---|
914 | " --tcp-bind-addr[ess] <address>\n"
|
---|
915 | " The address(es) to listen to TCP connection on. Empty string\n"
|
---|
916 | " means any address, this is the default\n"
|
---|
917 | " --tcp-bind-port <port>\n"
|
---|
918 | " The port to listen to TCP connections on\n"
|
---|
919 | " Default: %u\n"
|
---|
920 | " --tcp-connect-addr[ess] <address>\n"
|
---|
921 | " The address of the server to try connect to in client mode\n"
|
---|
922 | " Default: " ATS_TCP_DEF_CONNECT_GUEST_STR "\n"
|
---|
923 | " --tcp-connect-port <port>\n"
|
---|
924 | " The port on the server to connect to in client mode\n"
|
---|
925 | " Default: %u\n"
|
---|
926 | , ATS_TCP_DEF_BIND_PORT_GUEST, ATS_TCP_DEF_CONNECT_PORT_GUEST);
|
---|
927 | }
|
---|
928 |
|
---|
929 | /** Command line options for the TCP/IP transport layer. */
|
---|
930 | static const RTGETOPTDEF g_TcpOpts[] =
|
---|
931 | {
|
---|
932 | { "--tcp-conn-mode", ATSTCPOPT_CONN_MODE, RTGETOPT_REQ_STRING },
|
---|
933 | { "--tcp-bind-addr", ATSTCPOPT_BIND_ADDRESS, RTGETOPT_REQ_STRING },
|
---|
934 | { "--tcp-bind-address", ATSTCPOPT_BIND_ADDRESS, RTGETOPT_REQ_STRING },
|
---|
935 | { "--tcp-bind-port", ATSTCPOPT_BIND_PORT, RTGETOPT_REQ_UINT16 },
|
---|
936 | { "--tcp-connect-addr", ATSTCPOPT_CONNECT_ADDRESS, RTGETOPT_REQ_STRING },
|
---|
937 | { "--tcp-connect-address", ATSTCPOPT_CONNECT_ADDRESS, RTGETOPT_REQ_STRING },
|
---|
938 | { "--tcp-connect-port", ATSTCPOPT_CONNECT_PORT, RTGETOPT_REQ_UINT16 }
|
---|
939 | };
|
---|
940 |
|
---|
941 | /** TCP/IP transport layer. */
|
---|
942 | const ATSTRANSPORT g_TcpTransport =
|
---|
943 | {
|
---|
944 | /* .szName = */ "tcp",
|
---|
945 | /* .pszDesc = */ "TCP/IP",
|
---|
946 | /* .cOpts = */ &g_TcpOpts[0],
|
---|
947 | /* .paOpts = */ RT_ELEMENTS(g_TcpOpts),
|
---|
948 | /* .pfnUsage = */ atsTcpUsage,
|
---|
949 | /* .pfnCreate = */ atsTcpCreate,
|
---|
950 | /* .pfnDestroy = */ atsTcpDestroy,
|
---|
951 | /* .pfnOption = */ atsTcpOption,
|
---|
952 | /* .pfnStart = */ atsTcpStart,
|
---|
953 | /* .pfnStop = */ atsTcpStop,
|
---|
954 | /* .pfnWaitForConnect = */ atsTcpWaitForConnect,
|
---|
955 | /* .pfnDisconnect = */ atsTcpDisconnect,
|
---|
956 | /* .pfnPollIn = */ atsTcpPollIn,
|
---|
957 | /* .pfnPollSetAdd = */ atsTcpPollSetAdd,
|
---|
958 | /* .pfnPollSetRemove = */ atsTcpPollSetRemove,
|
---|
959 | /* .pfnRecvPkt = */ atsTcpRecvPkt,
|
---|
960 | /* .pfnSendPkt = */ atsTcpSendPkt,
|
---|
961 | /* .pfnBabble = */ atsTcpBabble,
|
---|
962 | /* .pfnNotifyHowdy = */ atsTcpNotifyHowdy,
|
---|
963 | /* .pfnNotifyBye = */ atsTcpNotifyBye,
|
---|
964 | /* .pfnNotifyReboot = */ atsTcpNotifyReboot,
|
---|
965 | /* .u32EndMarker = */ UINT32_C(0x12345678)
|
---|
966 | };
|
---|
967 |
|
---|