Esempio n. 1
0
void *Thread(void *parm)
{
	int rc;
	size_t dmMsgBufLen;
	dm_eventmsg_t *dmMsg;
	int bMounted = DM_FALSE;
	dm_eventtype_t type;
	dm_token_t token;
	dm_eventset_t events;
	dm_response_t response;

	do {
		/* Loop until message received (wait could be interrupted) */
		do {
			DMLOG_PRINT(DMLVL_DEBUG, "Waiting for event...\n");
			dmMsgBufLen = 0;

			rc = dm_get_events(sid, 1, DM_EV_WAIT, sizeof(dmMsgBuf), dmMsgBuf, &dmMsgBufLen);
			DMLOG_PRINT(DMLVL_DEBUG, "... dm_get_events returned %d (errno %d)\n", rc, errno);
		} while ((rc == -1) && (errno == EINTR) && (dmMsgBufLen == 0));

		if (rc) {
			DMLOG_PRINT(DMLVL_ERR, "dm_get_events failed with rc = %d, errno = %d\n", rc, errno);
			dm_destroy_session(sid);
			DM_EXIT();
		} else {
			dmMsg = (dm_eventmsg_t *)dmMsgBuf;
			token = dmMsg->ev_token;
			type = dmMsg->ev_type;

			DMLOG_PRINT(DMLVL_DEBUG, "Received message %d\n", type);
		}

		if (type == DM_EVENT_MOUNT) {
			/* SPECIAL CASE: need to set disposition, events and response */
			dm_mount_event_t *me = DM_GET_VALUE(dmMsg, ev_data, dm_mount_event_t *);
			void *lhanp = DM_GET_VALUE(me, me_handle1, void *);
			size_t lhlen = DM_GET_LEN(me, me_handle1);

			DMLOG_PRINT(DMLVL_DEBUG, "Message is DM_EVENT_MOUNT\n");
			DMLOG_PRINT(DMLVL_DEBUG, "  Mode: %x\n", me->me_mode);
			DMLOG_PRINT(DMLVL_DEBUG, "  File system handle: %p\n", lhanp);
			DMLOG_PRINT(DMLVL_DEBUG, "  File system handle length: %d\n", lhlen);
			DMLOG_PRINT(DMLVL_DEBUG, "  Mountpoint handle: %p\n", DM_GET_VALUE(me, me_handle2, void *));
			DMLOG_PRINT(DMLVL_DEBUG, "  Mountpoint handle length: %d\n", DM_GET_LEN(me, me_handle2));
			DMLOG_PRINT(DMLVL_DEBUG, "  Mountpoint path: %s\n", DM_GET_VALUE(me, me_name1, char *));
			DMLOG_PRINT(DMLVL_DEBUG, "  Media designator: %s\n", DM_GET_VALUE(me, me_name2, char *));
			DMLOG_PRINT(DMLVL_DEBUG, "  Root handle: %p\n", DM_GET_VALUE(me, me_roothandle, void *));
			DMLOG_PRINT(DMLVL_DEBUG, "  Root handle length: %d\n", DM_GET_LEN(me, me_roothandle));
	   
    			bMounted = dm_handle_is_valid(lhanp, lhlen);

    			rc = dm_request_right(sid, lhanp, lhlen, token, DM_RR_WAIT, DM_RIGHT_EXCL);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_ERR, "dm_request_right failed! (rc = %d, errno = %d)\n", rc, errno);
				dm_destroy_session(sid);
				DM_EXIT();
			}

			DMEV_ZERO(events);
			DMEV_SET(DM_EVENT_PREUNMOUNT, events);
			DMEV_SET(DM_EVENT_UNMOUNT, events);
			DMEV_SET(DM_EVENT_READ, events);
			DMEV_SET(DM_EVENT_WRITE, events);
			rc = dm_set_disp(sid, lhanp, lhlen, token, &events, DM_EVENT_MAX);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_ERR, "dm_set_disp failed! (rc = %d, errno = %d)\n", rc, errno);
				dm_destroy_session(sid);
				DM_EXIT();
			}

			DMEV_ZERO(events);
			DMEV_SET(DM_EVENT_PREUNMOUNT, events);
			DMEV_SET(DM_EVENT_UNMOUNT, events);
			rc = dm_set_eventlist(sid, lhanp, lhlen, token, &events, DM_EVENT_MAX);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_ERR, "dm_set_eventlist failed! (rc = %d, errno = %d)\n", rc, errno);
				dm_destroy_session(sid);
				DM_EXIT();
			}

    			rc = dm_release_right(sid, lhanp, lhlen, token);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_ERR, "dm_request_right failed! (rc = %d, errno = %d)\n", rc, errno);
				dm_destroy_session(sid);
				DM_EXIT();
			}

			response = DM_RESP_CONTINUE;
		} else if (type == DM_EVENT_UNMOUNT) {
			dm_namesp_event_t *nse = DM_GET_VALUE(dmMsg, ev_data, dm_namesp_event_t *);
			if (nse->ne_retcode == 0) {
				bMounted = DM_FALSE;
			}

			response = DM_RESP_CONTINUE;
		} else {
Esempio n. 2
0
int main(int argc, char **argv)
{

	char *szSessionInfo = "dm_test session info";
	char *szFuncName;
	char *varstr;
	int   i;
	int   rc;

	DMOPT_PARSE(argc, argv);
	DMLOG_START();

	/* CANNOT DO ANYTHING WITHOUT SUCCESSFUL INITIALIZATION!!! */
	if ((rc = dm_init_service(&varstr)) != 0) {
		DMLOG_PRINT(DMLVL_ERR, "dm_init_service failed! (rc = %d, errno = %d)\n", rc, errno);
		DM_EXIT();
	} else {
		int nexist;
		rc = dm_getall_sessions(0, NULL, &nexist);

		if (rc == -1 && errno == E2BIG) {
			dm_sessid_t *psid;

			DMLOG_PRINT(DMLVL_DEBUG, "%d sessions already exist\n", nexist);

			if ((psid = malloc(nexist * sizeof(dm_sessid_t))) != NULL) {
				if ((rc = dm_getall_sessions(nexist, psid, &nexist)) == 0) {
					for (rc = 0, i = 0; i < nexist; i++) {
						DMLOG_PRINT(DMLVL_DEBUG, "destroying session %d\n", psid[i]);
						rc |= dm_destroy_session(psid[i]);
					}

					if (rc == -1) {
						DMLOG_PRINT(DMLVL_ERR, "dm_destroy_session failed, unable to destroy existing sessions\n");
						DM_EXIT();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "dm_getall_sessions failed, unable to destroy existing sessions\n");
					DM_EXIT();
				}

				free(psid);
			} else {
				DMLOG_PRINT(DMLVL_ERR, "malloc failed, unable to destroy existing sessions\n");
				DM_EXIT();
			}
		}
	}

	DMLOG_PRINT(DMLVL_DEBUG, "Starting DMAPI session tests\n") ;

	szFuncName = "dm_create_session";

	/*
	 * TEST    : dm_create_session - invalid oldsid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 1)) {
		dm_sessid_t newsid;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid oldsid)\n", szFuncName);
		rc = dm_create_session(INVALID_ADDR, szSessionInfo, &newsid);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_create_session - NULL sessinfop
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 2)) {
		dm_sessid_t newsid;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(NULL sessinfop)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, NULL, &newsid);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_create_session - invalid sessinfop
	 * EXPECTED: rc = -1, errno = EFAULT
	 *
	 * This variation uncovered XFS BUG #2 (0 return code from strnlen_user
	 * ignored, which indicated fault)
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 3)) {
		dm_sessid_t newsid;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid sessinfop)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, (char *)INVALID_ADDR, &newsid);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

		/* Variation clean up */
	}


	/*
	 * TEST    : dm_create_session - NULL newsidp
	 * EXPECTED: rc = -1, errno = EFAULT
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 4)) {
		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(NULL newsidp)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, NULL);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_create_session - invalid newsidp
	 * EXPECTED: rc = -1, errno = EFAULT
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 5)) {
		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid newsidp)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, (dm_sessid_t *)INVALID_ADDR);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_create_session - DM_NO_SESSION oldsid
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 6)) {
		dm_sessid_t newsid;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(DM_NO_SESSION oldsid)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == 0) {
			DMLOG_PRINT(DMLVL_DEBUG, "newsid = %d\n", newsid);
		}
		DMVAR_ENDPASSEXP(szFuncName, 0, rc);

		/* Variation clean up */
		rc = dm_destroy_session(newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
		}
	}

	/*
	 * TEST    : dm_create_session - valid oldsid
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 7)) {
		dm_sessid_t newsid, oldsid;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			oldsid = newsid;

			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(valid oldsid)\n", szFuncName);
			rc = dm_create_session(oldsid, szSessionInfo, &newsid);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "newsid = %d\n", newsid);
			}
			DMVAR_ENDPASSEXP(szFuncName, 0, rc);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_create_session - invalidated oldsid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 8)) {
		dm_sessid_t newsid, oldsid, delsid;

		/* Variation set up */
		if ((rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid)) == -1) {
			/* No clean up */
		} else if ((rc = dm_create_session(oldsid = newsid, szSessionInfo, &newsid)) == -1) {
			dm_destroy_session(oldsid);
		}
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			delsid = newsid;
		
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalidated oldsid)\n", szFuncName);
			rc = dm_create_session(oldsid, szSessionInfo, &newsid);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

			/* Variation clean up */
			rc = dm_destroy_session(delsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_create_session - maximum sessinfo
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 9)) {
		dm_sessid_t newsid;
		char *szBig = "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345";

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(max sessionfo)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, szBig, &newsid);
		if (rc == 0) {
			DMLOG_PRINT(DMLVL_DEBUG, "newsid = %d\n", newsid);
		}
		DMVAR_ENDPASSEXP(szFuncName, 0, rc);

		/* Variation clean up */
		rc = dm_destroy_session(newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
		}
	}

	/*
	 * TEST    : dm_create_session - sessinfo too big
	 * EXPECTED: rc = -1, errno = E2BIG
	 *
	 * This variation uncovered XFS BUG #1 (sessinfo simply truncated, API
	 * passed)
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 10)) {
		dm_sessid_t newsid;
		char *szTooBig = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456";

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(sessinfo too big)\n", szFuncName);
		rc = dm_create_session(DM_NO_SESSION, szTooBig, &newsid);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, E2BIG);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_create_session - multiple sessions with same sessinfo
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(CREATE_SESSION_BASE + 11)) {
		dm_sessid_t newsid1, newsid2;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid1);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(same sessinfo)\n", szFuncName);
			rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid2);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "1st newsid = %d, 2nd newsid = %d\n", newsid1, newsid2);
				if (newsid1 != newsid2) {
				  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
					DMVAR_PASS();
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but session IDs same\n", szFuncName, 0);
					DMVAR_FAIL();
				}
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid1);
			rc |= dm_destroy_session(newsid2);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	szFuncName = "dm_destroy_session";

	/*
	 * TEST    : dm_destroy_session - DM_NO_SESSION sid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(DESTROY_SESSION_BASE + 1)) {
		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(DM_NO_SESSION sid)\n", szFuncName);
		rc = dm_destroy_session(DM_NO_SESSION);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_destroy_session - invalid sid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(DESTROY_SESSION_BASE + 2)) {
		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid sid)\n", szFuncName);
		rc = dm_destroy_session(INVALID_ADDR);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_destroy_session - invalidated sid
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(DESTROY_SESSION_BASE + 3)) {
		dm_sessid_t newsid;

		/* Variation set up */
		if ((rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid)) != -1) {
			rc = dm_destroy_session(newsid);
		}
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalidated sid)\n", szFuncName);
			rc = dm_destroy_session(newsid);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

			/* Variation clean up */
		}
	}

	/*
	 * TEST    : dm_destroy_session - valid sid
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(DESTROY_SESSION_BASE + 4)) {
		dm_sessid_t newsid;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(valid sid)\n", szFuncName);
			rc = dm_destroy_session(newsid);
			DMVAR_ENDPASSEXP(szFuncName, 0, rc);

			/* Variation clean up */
		}
	}

	/*
	 * TEST    : dm_destroy_session - sid with oustanding events
	 * EXPECTED: rc = -1, erno = EBUSY
	 */
	if (DMVAR_EXEC(DESTROY_SESSION_BASE + 5)) {
		dm_sessid_t newsid;
		char buf[MSG_DATALEN];
		size_t rlen;

		/* Variation set up */
		memcpy(buf, MSG_DATA, MSG_DATALEN);
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		rc |= dm_send_msg(newsid, DM_MSGTYPE_ASYNC, MSG_DATALEN, buf);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(valid sid)\n", szFuncName);
			rc = dm_destroy_session(newsid);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EBUSY);

			/* Variation clean up */
			rc = dm_get_events(newsid, 1, 0, sizeof(dmMsgBuf), dmMsgBuf, &rlen);
			rc |= dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	szFuncName = "dm_getall_sessions";

	/*
	 * TEST    : dm_getall_sessions - NULL sidbufp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 1)) {
		dm_sessid_t newsid;
		int nelem;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(NULL sidbufp)\n", szFuncName);
			rc = dm_getall_sessions(1, NULL, &nelem);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - invalid sidbufp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 2)) {
		dm_sessid_t newsid;
		int nelem;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid sidbufp)\n", szFuncName);
			rc = dm_getall_sessions(1, (dm_sessid_t *)INVALID_ADDR, &nelem);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - NULL nelemp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 3)) {
		dm_sessid_t newsid, sidArray[1];

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(NULL nelemp)\n", szFuncName);
			rc = dm_getall_sessions(1, sidArray, NULL);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - invalid nelemp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 4)) {
		dm_sessid_t newsid, sidArray[1];

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid nelemp)\n", szFuncName);
			rc = dm_getall_sessions(1, sidArray, (u_int *)INVALID_ADDR);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - zero nelem, zero sessions
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 5)) {
		dm_sessid_t sidArray[1];
		int nelem;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(zero nelem, zero sessions)\n", szFuncName);
		rc = dm_getall_sessions(0, sidArray, &nelem);
		if (rc == 0) {
			DMLOG_PRINT(DMLVL_DEBUG, "nelem = %d\n", nelem);
			if (nelem == 0) {
			  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
				DMVAR_PASS();
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected nelem (%d vs %d)\n", szFuncName, 0, nelem, 0);
				DMVAR_FAIL();
			}
		} else {
			DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
			DMVAR_FAIL();
		}
	
		/* Variation clean up */
	}

	/*
	 * TEST    : dm_getall_sessions - zero nelem, one session
	 * EXPECTED: rc = -1, errno = E2BIG
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 6)) {
		dm_sessid_t newsid, sidArray[1];
		int nelem;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(zero nelem, one session)\n", szFuncName);
			rc = dm_getall_sessions(0, sidArray, &nelem);

			if (rc == -1) {
				if (errno == E2BIG) {
					DMLOG_PRINT(DMLVL_DEBUG, "nelem = %d\n", nelem);
					if (nelem == 1) {
						DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d and expected errno = %d\n", szFuncName, -1, E2BIG);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and expected errno = %d but unexpected nelem (%d vs %d)\n", szFuncName, -1, E2BIG, nelem, 1);
						DMVAR_PASS();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected errno = %d\n", szFuncName, -1, errno);
					DMVAR_FAIL();
				}
			} else {
	  			DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d\n", szFuncName, rc);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - one nelem, one session
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 7)) {
		dm_sessid_t newsid, sidArray[1];
		int nelem;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(one nelem, one session)\n", szFuncName);
			rc = dm_getall_sessions(1, sidArray, &nelem);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "nelem = %d\n", nelem);
			
				if (nelem == 1) { 
					LogSessions(sidArray, nelem);

					if (newsid == sidArray[0]) {
					  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and nelem = %d but unexpected session ID (%d vs %d)\n", szFuncName, 0, nelem, newsid, sidArray[0]);
						DMVAR_FAIL();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected nelem (%d vs %d)\n", szFuncName, 0, nelem, 1);
					DMVAR_FAIL();
				}
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - two nelem, one session
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 8)) {
		dm_sessid_t newsid, sidArray[2];
		int nelem;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(two nelem, one session)\n", szFuncName);
			rc = dm_getall_sessions(2, sidArray, &nelem);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "nelem = %d\n", nelem);

				if (nelem == 1) {
					LogSessions(sidArray, nelem);

					if (newsid == sidArray[0]) {
					  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and nelem = %d but unexpected session ID (%d vs %d)\n", szFuncName, 0, nelem, newsid, sidArray[0]);
						DMVAR_FAIL();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected nelem (%d vs %d)\n", szFuncName, 0, nelem, 1);
					DMVAR_FAIL();
				}
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_getall_sessions - ten nelem, eight sessions
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(GETALL_SESSIONS_BASE + 9)) {
		dm_sessid_t sidExpected[NUM_SESSIONS], sidArray[10];
		int nelem;

		/* Variation set up */
		for (i = 0, rc = 0; i < NUM_SESSIONS && rc == 0; i++) {
			rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &sidExpected[i]);
		}
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			for (i--; i >= 0; i--) {
				dm_destroy_session(sidExpected[i]);
			}
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(%d nelem, %d sessions)\n", szFuncName, sizeof(sidArray)/sizeof(dm_sessid_t), NUM_SESSIONS);
			rc = dm_getall_sessions(sizeof(sidArray)/sizeof(dm_sessid_t), sidArray, &nelem);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "nelem = %d\n", nelem);
			
				if (nelem == NUM_SESSIONS) {
					LogSessions(sidArray, nelem);

					if (memcmp(sidArray, sidExpected, NUM_SESSIONS * sizeof(dm_sessid_t)) == 0) {
					  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and nelem = %d but unexpected session ID(s)\n", szFuncName, 0, nelem);
						DMVAR_FAIL();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected nelem (%d vs %d)\n", szFuncName, 0, nelem, NUM_SESSIONS);
					DMVAR_FAIL();
				}
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			for (i = 0, rc = 0; i < NUM_SESSIONS; i++) {
				rc |= dm_destroy_session(sidExpected[i]);
			}
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	szFuncName = "dm_query_session";

	/*
	 * TEST    : dm_query_session - DM_NO_SESSION sid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 1)) {
		char buf[64];
		size_t rlen;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(DM_NO_SESSION sid)\n", szFuncName);
		rc = dm_query_session(DM_NO_SESSION, sizeof(buf), buf, &rlen);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_query_session - invalid sid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 2)) {
		char buf[64];
		size_t rlen;

		/* Variation set up */

		/* Variation */
		DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid sid)\n", szFuncName);
		rc = dm_query_session(INVALID_ADDR, sizeof(buf), buf, &rlen);
		DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

		/* Variation clean up */
	}

	/*
	 * TEST    : dm_query_session - invalidated sid
	 * EXPECTED: rc = -1, errno = EINVAL
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 3)) {
		dm_sessid_t newsid;
		char buf[64];
		size_t rlen;

		/* Variation set up */
		if ((rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid)) != -1) {
			rc = dm_destroy_session(newsid);
		}
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalidated sid)\n", szFuncName);
			rc = dm_query_session(newsid, sizeof(buf), buf, &rlen);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EINVAL);

			/* Variation clean up */
		}
	}

	/*
	 * TEST    : dm_query_session - NULL bufp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 4)) {
		dm_sessid_t newsid;
		char buf[64];
		size_t rlen;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(NULL bufp)\n", szFuncName);
			rc = dm_query_session(newsid, sizeof(buf), NULL, &rlen);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_query_session - invalid bufp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 5)) {
		dm_sessid_t newsid;
		char buf[64];
		size_t rlen;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid bufp)\n", szFuncName);
			rc = dm_query_session(newsid, sizeof(buf), (void *)INVALID_ADDR, &rlen);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_query_session - NULL rlenp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 6)) {
		dm_sessid_t newsid;
		char buf[64];

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(NULL rlenp)\n", szFuncName);
			rc = dm_query_session(newsid, sizeof(buf), buf, NULL);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_query_session - invalid rlenp
	 * EXPECTED: rc = -1, errno EFAULT
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 7)) {
		dm_sessid_t newsid;
		char buf[64];

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(invalid rlenp)\n", szFuncName);
			rc = dm_query_session(newsid, sizeof(buf), buf, (size_t *)INVALID_ADDR);
			DMVAR_ENDFAILEXP(szFuncName, -1, rc, EFAULT);

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_query_session - zero buflen
	 * EXPECTED: rc = -1, errno = E2BIG
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 8)) {
		dm_sessid_t newsid;
		char buf[64];
		size_t rlen;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(buflen zero)\n", szFuncName);
			rc = dm_query_session(newsid, 0, buf, &rlen);
			if (rc == -1) {
				if (errno == E2BIG) {
					DMLOG_PRINT(DMLVL_DEBUG, "rlen = %d\n", rlen);
				
					if (rlen == strlen(szSessionInfo)+1) {
						DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d and expected errno = %d\n", szFuncName, -1, E2BIG);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and expected errno = %d but unexpected rlen (%d vs %d)\n", szFuncName, -1, E2BIG, rlen, strlen(szSessionInfo)+1);
						DMVAR_FAIL();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected errno = %d\n", szFuncName, -1, errno);
					DMVAR_FAIL();
				}
			} else {
	  			DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d\n", szFuncName, rc);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_query_session - valid
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 9)) {
		dm_sessid_t newsid;
		char buf[64];
		size_t rlen;

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szSessionInfo, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(valid)\n", szFuncName, sizeof(buf));
			rc = dm_query_session(newsid, sizeof(buf), buf, &rlen);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "rlen = %d\n", rlen);

				if (rlen == strlen(szSessionInfo)+1) {
					DMLOG_PRINT(DMLVL_DEBUG, "buf = \"%s\"\n", buf);

					if (strcmp(buf, szSessionInfo) == 0) {
					  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and rlen = %d but unexpected session info (\"%s\" vs \"%s\")\n", szFuncName, 0, rlen, buf, szSessionInfo);
						DMVAR_FAIL();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected rlen (%d vs %d)\n", szFuncName, 0, rlen, strlen(szSessionInfo)+1);
					DMVAR_FAIL();
				}
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	/*
	 * TEST    : dm_query_session - maximum sessionfo
	 *           sessioninfo
	 * EXPECTED: rc = 0
	 */
	if (DMVAR_EXEC(QUERY_SESSION_BASE + 10)) {
		dm_sessid_t newsid;
		char buf[512];
		size_t rlen;
		char *szBig = "123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345";

		/* Variation set up */
		rc = dm_create_session(DM_NO_SESSION, szBig, &newsid);
		if (rc == -1) {
			DMLOG_PRINT(DMLVL_DEBUG, "Unable to set up variation! (errno = %d)\n", errno);
			DMVAR_SKIP();
		} else {
			/* Variation */
			DMLOG_PRINT(DMLVL_DEBUG, "%s(max sessinfo)\n", szFuncName, sizeof(buf));
			rc = dm_query_session(newsid, sizeof(buf), buf, &rlen);
			if (rc == 0) {
				DMLOG_PRINT(DMLVL_DEBUG, "rlen = %d\n", rlen);
			
				if (rlen == DM_SESSION_INFO_LEN) {
					DMLOG_PRINT(DMLVL_DEBUG, "buf = \"%s\"\n", buf);

					if (strncmp(buf, szBig, DM_SESSION_INFO_LEN-1) == 0) {
					  	DMLOG_PRINT(DMLVL_DEBUG, "%s passed with expected rc = %d\n", szFuncName, 0);
						DMVAR_PASS();
					} else {
						DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d and rlen = %d but unexpected session info (\"%s\" vs \"%s\")\n", szFuncName, 0, rlen, buf, szSessionInfo);
						DMVAR_FAIL();
					}
				} else {
					DMLOG_PRINT(DMLVL_ERR, "%s failed with expected rc = %d but unexpected rlen (%d vs %d)\n", szFuncName, 0, rlen, DM_SESSION_INFO_LEN);
					DMVAR_FAIL();
				}
			} else {
				DMLOG_PRINT(DMLVL_ERR, "%s failed with unexpected rc = %d (errno = %d)\n", szFuncName, rc, errno);
				DMVAR_FAIL();
			}

			/* Variation clean up */
			rc = dm_destroy_session(newsid);
			if (rc == -1) {
				DMLOG_PRINT(DMLVL_DEBUG, "Unable to clean up variation! (errno = %d)\n", errno);
			}
		}
	}

	DMLOG_STOP();
		
	return 0;

}
Esempio n. 3
0
static int
dmapi_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
	    unsigned long arg)
{
	sys_dmapi_args_t kargs;
	sys_dmapi_args_t *uap = &kargs;
	int error = 0;
	int rvp = -ENOSYS;
	int use_rvp = 0;

	if (!capable(CAP_MKNOD))
		return(-EPERM);

	if( copy_from_user( &kargs, (sys_dmapi_args_t*)arg,
			   sizeof(sys_dmapi_args_t) ) )
		return -EFAULT;

	switch (cmd) {
	case DM_CLEAR_INHERIT:
		error = dm_clear_inherit(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_attrname_t *) uap->arg5);	/* attrnamep */
		break;
	case DM_CREATE_BY_HANDLE:
		error = dm_create_by_handle(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* dirhanp */
				(size_t)	uap->arg3,	/* dirhlen */
				(dm_token_t)	uap->arg4,	/* token */
				(void *)	uap->arg5,	/* hanp */
				(size_t)	uap->arg6,	/* hlen */
				(char *)	uap->arg7);	/* cname */
		break;
	case DM_CREATE_SESSION:
		error = dm_create_session(
				(dm_sessid_t)	uap->arg1,	/* oldsid */
				(char *)	uap->arg2,	/* sessinfop */
				(dm_sessid_t *)	uap->arg3);	/* newsidp */
		break;
	case DM_CREATE_USEREVENT:
		error = dm_create_userevent(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(size_t)	uap->arg2,	/* msglen */
				(void *)	uap->arg3,	/* msgdatap */
				(dm_token_t *)	uap->arg4);	/* tokenp */
		break;
	case DM_DESTROY_SESSION:
		error = dm_destroy_session(
				(dm_sessid_t)	uap->arg1);	/* sid */
		break;
	case DM_DOWNGRADE_RIGHT:
		error = dm_downgrade_right(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4);	/* token */
		break;
	case DM_FD_TO_HANDLE:
		error = dm_fd_to_hdl(
				(int)		uap->arg1,	/* fd */
				(void *)	uap->arg2,	/* hanp */
				(size_t *)	uap->arg3);	/* hlenp */
		break;
	case DM_FIND_EVENTMSG:
		error = dm_find_eventmsg(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(dm_token_t)	uap->arg2,	/* token */
				(size_t)	uap->arg3,	/* buflen */
				(void *)	uap->arg4,	/* bufp */
				(size_t *)	uap->arg5);	/* rlenp */
		break;
	case DM_GET_ALLOCINFO:
		use_rvp = 1;
		error = dm_get_allocinfo_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_off_t *)	uap->arg5,	/* offp */
				(u_int)		uap->arg6,	/* nelem */
				(dm_extent_t *)	uap->arg7,	/* extentp */
				(u_int *)	uap->arg8,	/* nelemp */
						&rvp);
		break;
	case DM_GET_BULKALL:
		use_rvp = 1;
		error = dm_get_bulkall_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* mask */
				(dm_attrname_t *) uap->arg6,	/* attrnamep */
				(dm_attrloc_t *) uap->arg7,	/* locp */
				(size_t)	uap->arg8,	/* buflen */
				(void *)	uap->arg9,	/* bufp */
				(size_t *)	uap->arg10,	/* rlenp */
						&rvp);
		break;
	case DM_GET_BULKATTR:
		use_rvp = 1;
		error = dm_get_bulkattr_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* mask */
				(dm_attrloc_t *)uap->arg6,	/* locp */
				(size_t)	uap->arg7,	/* buflen */
				(void *)	uap->arg8,	/* bufp */
				(size_t *)	uap->arg9,	/* rlenp */
						&rvp);
		break;
	case DM_GET_CONFIG:
		error = dm_get_config(
				(void *)	uap->arg1,	/* hanp */
				(size_t)	uap->arg2,	/* hlen */
				(dm_config_t)	uap->arg3,	/* flagname */
				(dm_size_t *)	uap->arg4);	/* retvalp */
		break;
	case DM_GET_CONFIG_EVENTS:
		error = dm_get_config_events(
				(void *)	uap->arg1,	/* hanp */
				(size_t)	uap->arg2,	/* hlen */
				(u_int)		uap->arg3,	/* nelem */
				(dm_eventset_t *) uap->arg4,	/* eventsetp */
				(u_int *)	uap->arg5);	/* nelemp */
		break;
	case DM_GET_DIOINFO:
		error = dm_get_dioinfo(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_dioinfo_t *)uap->arg5);	/* diop */
		break;
	case DM_GET_DIRATTRS:
		use_rvp = 1;
		error = dm_get_dirattrs_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* mask */
				(dm_attrloc_t *)uap->arg6,	/* locp */
				(size_t)	uap->arg7,	/* buflen */
				(void *)	uap->arg8,	/* bufp */
				(size_t *)	uap->arg9,	/* rlenp */
						&rvp);
		break;
	case DM_GET_DMATTR:
		error = dm_get_dmattr(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_attrname_t *) uap->arg5,	/* attrnamep */
				(size_t)	uap->arg6,	/* buflen */
				(void *)	uap->arg7,	/* bufp */
				(size_t *)	uap->arg8);	/* rlenp */

		break;
	case DM_GET_EVENTLIST:
		error = dm_get_eventlist(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* nelem */
				(dm_eventset_t *) uap->arg6,	/* eventsetp */
				(u_int *)	uap->arg7);	/* nelemp */
		break;
	case DM_GET_EVENTS:
		error = dm_get_events(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(u_int)		uap->arg2,	/* maxmsgs */
				(u_int)		uap->arg3,	/* flags */
				(size_t)	uap->arg4,	/* buflen */
				(void *)	uap->arg5,	/* bufp */
				(size_t *)	uap->arg6);	/* rlenp */
		break;
	case DM_GET_FILEATTR:
		error = dm_get_fileattr(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* mask */
				(dm_stat_t *)	uap->arg6);	/* statp */
		break;
	case DM_GET_MOUNTINFO:
		error = dm_get_mountinfo(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(size_t)	uap->arg5,	/* buflen */
				(void *)	uap->arg6,	/* bufp */
				(size_t *)	uap->arg7);	/* rlenp */
		break;
	case DM_GET_REGION:
		error = dm_get_region(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* nelem */
				(dm_region_t *)	uap->arg6,	/* regbufp */
				(u_int *)	uap->arg7);	/* nelemp */
		break;
	case DM_GETALL_DISP:
		error = dm_getall_disp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(size_t)	uap->arg2,	/* buflen */
				(void *)	uap->arg3,	/* bufp */
				(size_t *)	uap->arg4);	/* rlenp */
		break;
	case DM_GETALL_DMATTR:
		error = dm_getall_dmattr(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(size_t)	uap->arg5,	/* buflen */
				(void *)	uap->arg6,	/* bufp */
				(size_t *)	uap->arg7);	/* rlenp */
		break;
	case DM_GETALL_INHERIT:
		error = dm_getall_inherit(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* nelem */
				(dm_inherit_t *)uap->arg6,	/* inheritbufp*/
				(u_int *)	uap->arg7);	/* nelemp */
		break;
	case DM_GETALL_SESSIONS:
		error = dm_getall_sessions(
				(u_int)		uap->arg1,	/* nelem */
				(dm_sessid_t *)	uap->arg2,	/* sidbufp */
				(u_int *)	uap->arg3);	/* nelemp */
		break;
	case DM_GETALL_TOKENS:
		error = dm_getall_tokens(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(u_int)		uap->arg2,	/* nelem */
				(dm_token_t *)	uap->arg3,	/* tokenbufp */
				(u_int *)	uap->arg4);	/* nelemp */
		break;
	case DM_INIT_ATTRLOC:
		error = dm_init_attrloc(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_attrloc_t *) uap->arg5);	/* locp */
		break;
	case DM_MKDIR_BY_HANDLE:
		error = dm_mkdir_by_handle(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* dirhanp */
				(size_t)	uap->arg3,	/* dirhlen */
				(dm_token_t)	uap->arg4,	/* token */
				(void *)	uap->arg5,	/* hanp */
				(size_t)	uap->arg6,	/* hlen */
				(char *)	uap->arg7);	/* cname */
		break;
	case DM_MOVE_EVENT:
		error = dm_move_event(
				(dm_sessid_t)	uap->arg1,	/* srcsid */
				(dm_token_t)	uap->arg2,	/* token */
				(dm_sessid_t)	uap->arg3,	/* targetsid */
				(dm_token_t *)	uap->arg4);	/* rtokenp */
		break;
	case DM_OBJ_REF_HOLD:
		error = dm_obj_ref_hold(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(dm_token_t)	uap->arg2,	/* token */
				(void *)	uap->arg3,	/* hanp */
				(size_t)	uap->arg4);	/* hlen */
		break;
	case DM_OBJ_REF_QUERY:
		use_rvp = 1;
		error = dm_obj_ref_query_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(dm_token_t)	uap->arg2,	/* token */
				(void *)	uap->arg3,	/* hanp */
				(size_t)	uap->arg4,	/* hlen */
						&rvp);
		break;
	case DM_OBJ_REF_RELE:
		error = dm_obj_ref_rele(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(dm_token_t)	uap->arg2,	/* token */
				(void *)	uap->arg3,	/* hanp */
				(size_t)	uap->arg4);	/* hlen */
		break;
	case DM_PATH_TO_FSHANDLE:
		error = dm_path_to_fshdl(
				(char *)	uap->arg1,	/* path */
				(void *)	uap->arg2,	/* hanp */
				(size_t *)	uap->arg3);	/* hlenp */
		break;
	case DM_PATH_TO_HANDLE:
		error = dm_path_to_hdl(
				(char *)	uap->arg1,	/* path */
				(void *)	uap->arg2,	/* hanp */
				(size_t *)	uap->arg3);	/* hlenp */
		break;
	case DM_PENDING:
		error = dm_pending(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(dm_token_t)	uap->arg2,	/* token */
				(dm_timestruct_t *) uap->arg3);	/* delay */
		break;
	case DM_PROBE_HOLE:
		error = dm_probe_hole(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_off_t)	uap->arg5,	/* off */
				(dm_size_t)	uap->arg6,	/* len */
				(dm_off_t *)	uap->arg7,	/* roffp */
				(dm_size_t *)	uap->arg8);	/* rlenp */
		break;
	case DM_PUNCH_HOLE:
		error = dm_punch_hole(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_off_t)	uap->arg5,	/* off */
				(dm_size_t)	uap->arg6);	/* len */
		break;
	case DM_QUERY_RIGHT:
		error = dm_query_right(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_right_t *)	uap->arg5);	/* rightp */
		break;
	case DM_QUERY_SESSION:
		error = dm_query_session(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(size_t)	uap->arg2,	/* buflen */
				(void *)	uap->arg3,	/* bufp */
				(size_t *)	uap->arg4);	/* rlenp */
		break;
	case DM_READ_INVIS:
		use_rvp = 1;
		error = dm_read_invis_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_off_t)	uap->arg5,	/* off */
				(dm_size_t)	uap->arg6,	/* len */
				(void *)	uap->arg7,	/* bufp */
						&rvp);
		break;
	case DM_RELEASE_RIGHT:
		error = dm_release_right(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4);	/* token */
		break;
	case DM_REMOVE_DMATTR:
		error = dm_remove_dmattr(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(int)		uap->arg5,	/* setdtime */
				(dm_attrname_t *) uap->arg6);	/* attrnamep */
		break;
	case DM_REQUEST_RIGHT:
		error = dm_request_right(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* flags */
				(dm_right_t)	uap->arg6);	/* right */
		break;
	case DM_RESPOND_EVENT:
		error = dm_respond_event(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(dm_token_t)	uap->arg2,	/* token */
				(dm_response_t)	uap->arg3,	/* response */
				(int)		uap->arg4,	/* reterror */
				(size_t)	uap->arg5,	/* buflen */
				(void *)	uap->arg6);	/* respbufp */
		break;
	case DM_SEND_MSG:
		error = dm_send_msg(
				(dm_sessid_t)	uap->arg1,	/* targetsid */
				(dm_msgtype_t)	uap->arg2,	/* msgtype */
				(size_t)	uap->arg3,	/* buflen */
				(void *)	uap->arg4);	/* bufp */
		break;
	case DM_SET_DISP:
		error = dm_set_disp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_eventset_t *) uap->arg5,	/* eventsetp */
				(u_int)		uap->arg6);	/* maxevent */
		break;
	case DM_SET_DMATTR:
		error = dm_set_dmattr(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_attrname_t *) uap->arg5,	/* attrnamep */
				(int)		uap->arg6,	/* setdtime */
				(size_t)	uap->arg7,	/* buflen */
				(void *)	uap->arg8);	/* bufp */
		break;
	case DM_SET_EVENTLIST:
		error = dm_set_eventlist(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_eventset_t *) uap->arg5,	/* eventsetp */
				(u_int)		uap->arg6);	/* maxevent */
		break;
	case DM_SET_FILEATTR:
		error = dm_set_fileattr(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* mask */
				(dm_fileattr_t *)uap->arg6);	/* attrp */
		break;
	case DM_SET_INHERIT:
		error = dm_set_inherit(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_attrname_t *)uap->arg5,	/* attrnamep */
				(mode_t)	uap->arg6);	/* mode */
		break;
	case DM_SET_REGION:
		error = dm_set_region(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(u_int)		uap->arg5,	/* nelem */
				(dm_region_t *)	uap->arg6,	/* regbufp */
				(dm_boolean_t *) uap->arg7);	/* exactflagp */
		break;
	case DM_SET_RETURN_ON_DESTROY:
		error = dm_set_return_on_destroy(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(dm_attrname_t *) uap->arg5,	/* attrnamep */
				(dm_boolean_t)	uap->arg6);	/* enable */
		break;
	case DM_SYMLINK_BY_HANDLE:
		error = dm_symlink_by_handle(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* dirhanp */
				(size_t)	uap->arg3,	/* dirhlen */
				(dm_token_t)	uap->arg4,	/* token */
				(void *)	uap->arg5,	/* hanp */
				(size_t)	uap->arg6,	/* hlen */
				(char *)	uap->arg7,	/* cname */
				(char *)	uap->arg8);	/* path */
		break;
	case DM_SYNC_BY_HANDLE:
		error = dm_sync_by_handle(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4);	/* token */
		break;
	case DM_UPGRADE_RIGHT:
		error = dm_upgrade_right(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4);	/* token */
		break;
	case DM_WRITE_INVIS:
		use_rvp = 1;
		error = dm_write_invis_rvp(
				(dm_sessid_t)	uap->arg1,	/* sid */
				(void *)	uap->arg2,	/* hanp */
				(size_t)	uap->arg3,	/* hlen */
				(dm_token_t)	uap->arg4,	/* token */
				(int)		uap->arg5,	/* flags */
				(dm_off_t)	uap->arg6,	/* off */
				(dm_size_t)	uap->arg7,	/* len */
				(void *)	uap->arg8,	/* bufp */
						&rvp);
		break;
	default:
		error = ENOSYS;
		break;
	}
	/* If it was an *_rvp() function, then
		if error==0, return |rvp|
	*/
	if( use_rvp && (error == 0) )
		return rvp;
	else
		return -error;
}
Esempio n. 4
0
static void
event_loop(
	dm_sessid_t	sid,
	int		waitflag)
{
	void		*msgbuf;
	size_t		bufsize;
	int		error;
	dm_eventmsg_t	*msg;
	int		count;

	/*
	 * We take a swag at a buffer size. If it's wrong, we can
	 * always resize it
	 */

	bufsize = sizeof(dm_eventmsg_t) + sizeof(dm_data_event_t) + HANDLE_LEN;
	bufsize *= 50;
	msgbuf  = (void *)malloc(bufsize);
	if (msgbuf == NULL) {
		err_msg("Can't allocate memory for buffer");
		return;
	}

	for (;;) {
		error = dm_get_events(sid, ALL_AVAIL_MSGS,
			waitflag ? DM_EV_WAIT:0, bufsize, msgbuf, &bufsize);
		if (error) {
			if (errno == EAGAIN) {
				if (waitflag)
					continue;
				break;
			}
			if (errno == E2BIG) {
				free(msgbuf);
				msgbuf = (void *)malloc(bufsize);
				if (msgbuf == NULL) {
					err_msg("Can't resize msg buffer");
					return;
				}
				continue;
			}
			errno_msg("Error getting events from DMAPI");
			break;
		}

		/*
		 * Walk through the message buffer, pull out each individual
		 * message, and dispatch the messages to handle_message(),
		 * which will respond to the events.
		 */

		count = 0;
		msg = (dm_eventmsg_t *)msgbuf;
		while (msg != NULL ) {
			count++;
			error = handle_message(sid, msg);
			if (error) {
				free(msgbuf);
				return;
			}
			printf("end_of_message\n");
			msg = DM_STEP_TO_NEXT(msg, dm_eventmsg_t *);
		}
		if (count != 1 && Verbose) {
			err_msg("Found %d events in one call to "
				"dm_get_events\n", count);
		}
	}
	if (msgbuf != NULL)
		free(msgbuf);
}
Esempio n. 5
0
int
main(
	int	argc,
	char	**argv)
{
	dm_sessid_t	sid, oldsid, targetsid, *newsidp, *sidbufp;
	dm_token_t	token, *tokenp, *rtokenp, *tokenbufp;
	dm_attrname_t	*attrnamep;
	dm_off_t	off, *offp, *roffp;
	dm_extent_t	*extentp;
	dm_inherit_t	*inheritbufp;
	dm_stat_t	*statp;
	dm_size_t	len, *dmrlenp, *retvalp;
	dm_attrloc_t	*locp;
	dm_eventset_t	*eventsetp;
	dm_config_t	flagname;
	dm_region_t	*regbufp;
	dm_response_t	response;
	dm_right_t	right, *rightp;
	dm_igen_t	igen, *igenp;
	dm_msgtype_t	msgtype;
	dm_fileattr_t	*attrp;
	dm_boolean_t	enable, *exactflagp;
	dm_timestruct_t	*delay;
	mode_t		mode;
	size_t		hlen, dirhlen, hlen1, hlen2, targhlen, *fshlenp, *hlenp;
	size_t		msglen, buflen, *rlenp;
	u_int		nelem, mask, maxmsgs, uflags, *nelemp, maxevent;
	void		*hanp, *dirhanp, *hanp1, *hanp2, *targhanp;
	void		*msgdatap, *bufp, **hanpp, *respbufp, **fshanpp;
	dm_fsid_t	fsid, *fsidp;
	dm_ino_t	ino, *inop;
	char		*cname, *sessinfop, *path, *pathbufp, **versionstrpp;
	int		flags, fd, setdtime, reterror;
	u_int	urc;
	int	rc;
	dm_ssize_t	ssrc;

/* Definitions per the prototypes in dmport.h, in the same order. */

	rc = dm_clear_inherit(sid, hanp, hlen, token, attrnamep);
	rc = dm_create_by_handle(sid, dirhanp, dirhlen, token,
		hanp, hlen, cname);
	rc = dm_create_session(oldsid, sessinfop, newsidp);
	rc = dm_create_userevent(sid, msglen, msgdatap, tokenp);
	rc = dm_destroy_session(sid);
	rc = dm_downgrade_right(sid, hanp, hlen, token);
	rc = dm_fd_to_handle(fd, hanpp, hlenp);
	rc = dm_find_eventmsg(sid, token, buflen, bufp, rlenp);
	rc = dm_get_allocinfo(sid, hanp, hlen,
		token, offp, nelem, extentp, nelemp);
	rc = dm_get_bulkall(sid, hanp, hlen, token, mask, attrnamep,
		locp, buflen, bufp, rlenp);
	rc = dm_get_bulkattr(sid, hanp, hlen, token, mask, locp, buflen, 
		bufp, rlenp);
	rc = dm_get_config(hanp, hlen, flagname, retvalp);
	rc = dm_get_config_events(hanp, hlen, nelem, eventsetp, nelemp);
	rc = dm_get_dirattrs(sid, hanp, hlen, token, mask, locp, buflen,
		bufp, rlenp);
	rc = dm_get_dmattr(sid, hanp, hlen, token, attrnamep, buflen,
		bufp, rlenp);
	rc = dm_get_eventlist(sid, hanp, hlen, token, nelem, eventsetp, nelemp);
	rc = dm_get_events(sid, maxmsgs, flags, buflen, bufp, rlenp);
	rc = dm_get_fileattr(sid, hanp, hlen, token, mask, statp);
	rc = dm_get_mountinfo(sid, hanp, hlen, token, buflen, bufp, rlenp);
	rc = dm_get_region(sid, hanp, hlen, token, nelem, regbufp, nelemp);
	rc = dm_getall_disp(sid, buflen, bufp, rlenp);
	rc = dm_getall_dmattr(sid, hanp, hlen, token, buflen, bufp, rlenp);
	rc = dm_getall_inherit(sid, hanp, hlen,
		token, nelem, inheritbufp, nelemp);
	rc = dm_getall_sessions(nelem, sidbufp, nelemp);
	rc = dm_getall_tokens(sid, nelem, tokenbufp, nelemp);
	rc = dm_handle_cmp(hanp1, hlen1, hanp2, hlen2);
	dm_handle_free(hanp, hlen);
	urc = dm_handle_hash(hanp, hlen);
	rc = dm_handle_is_valid(hanp, hlen);
	rc = dm_handle_to_fshandle(hanp, hlen, fshanpp, fshlenp);
	rc = dm_handle_to_fsid(hanp, hlen, fsidp);
	rc = dm_handle_to_igen(hanp, hlen, igenp);
	rc = dm_handle_to_ino(hanp, hlen, inop);
	rc = dm_handle_to_path(dirhanp, dirhlen, targhanp, targhlen, 
		buflen, pathbufp, rlenp);
	rc = dm_init_attrloc(sid, hanp, hlen, token, locp);
	rc = dm_init_service(versionstrpp);
	rc = dm_make_handle(&fsid, &ino, &igen, hanpp, hlenp);
	rc = dm_make_fshandle(&fsid, hanpp, hlenp);
	rc = dm_mkdir_by_handle(sid, dirhanp, dirhlen, token,
		hanp, hlen, cname); 
	rc = dm_move_event(sid, token, targetsid, rtokenp);
	rc = dm_obj_ref_hold(sid, token, hanp, hlen);
	rc = dm_obj_ref_query(sid, token, hanp, hlen);
	rc = dm_obj_ref_rele(sid, token, hanp, hlen);
	rc = dm_path_to_fshandle(path, hanpp, hlenp);
	rc = dm_path_to_handle(path, hanpp, hlenp);
	rc = dm_pending(sid, token, delay);
	rc = dm_probe_hole(sid, hanp, hlen, token, off, len, roffp, dmrlenp);
	rc = dm_punch_hole(sid, hanp, hlen, token, off, len);
	rc = dm_query_right(sid, hanp, hlen, token, rightp);
	rc = dm_query_session(sid, buflen, bufp, rlenp);
	ssrc = dm_read_invis(sid, hanp, hlen, token, off, len, bufp);
	rc =  dm_release_right(sid, hanp, hlen, token);
	rc = dm_remove_dmattr(sid, hanp, hlen, token, setdtime, attrnamep);
	rc = dm_request_right(sid, hanp, hlen, token, uflags, right);
	rc = dm_respond_event(sid, token, response, reterror, buflen, respbufp);
	rc = dm_send_msg(sid, msgtype, buflen, bufp);
	rc = dm_set_disp(sid, hanp, hlen, token, eventsetp, maxevent);
	rc = dm_set_dmattr(sid, hanp, hlen,
		token, attrnamep, setdtime, buflen, bufp);
	rc = dm_set_eventlist(sid, hanp, hlen, token, eventsetp, maxevent);
	rc = dm_set_fileattr(sid, hanp, hlen, token, mask, attrp);
	rc = dm_set_inherit(sid, hanp, hlen, token, attrnamep, mode);
	rc = dm_set_region(sid, hanp, hlen, token, nelem, regbufp, exactflagp);
	rc = dm_set_return_on_destroy(sid, hanp, hlen,
		token,  attrnamep, enable);
	rc = dm_symlink_by_handle(sid, dirhanp, dirhlen, token,
		hanp, hlen, cname, path); 
	rc = dm_sync_by_handle(sid, hanp, hlen, token);
	rc = dm_upgrade_right(sid, hanp, hlen, token);
	ssrc = dm_write_invis(sid, hanp, hlen, flags, token, off, len, bufp);
	exit(0);
}
Esempio n. 6
0
/*
 * Main event loop processing
 */
void
event_loop(
	dm_sessid_t	sid)
{
	void		*msgbuf;
	size_t	 	 bufsize, rlen;
	int	 	 error;
	dm_eventmsg_t	*msg;

	/*
	 * We take a swag at a buffer size. If it's wrong, we can
	 * always resize it
	 */
	bufsize = sizeof(dm_eventmsg_t) + sizeof(dm_data_event_t) + HANDLE_LEN;
	bufsize *= 16;
	msgbuf  = (void *)malloc(bufsize);
	if (msgbuf == NULL) {
		err_msg("Can't allocate memory for buffer");
		goto out;
	}

	for (;;) {	
		error = dm_get_events(sid, ALL_AVAIL_MSGS, DM_EV_WAIT, bufsize,
					msgbuf, &rlen);
		if (error == -1) {
			if (errno == E2BIG) {
				free(msgbuf);
				msgbuf = (void *)malloc(rlen);
				if (msgbuf == NULL) {
					err_msg("Can't resize msg buffer");
					goto out;
				}
				continue;
			}
			errno_msg("Error getting events from DMAPI");
			goto out;
		}

		/*
		 * Walk thru the message buffer, pull out each individual
		 * message, and dispatch the messages to child processes
		 * with the sid, token, and data. The children will
		 * respond to the events.
		 */
		msg = (dm_eventmsg_t *)msgbuf;
		while (msg != NULL ) {
			if (Verbose) {
				fprintf(stderr, "Received %s, token %d\n",
				    (msg->ev_type == DM_EVENT_READ ? "read" : 
				    (msg->ev_type == DM_EVENT_WRITE ? "write" : "trunc")), msg->ev_token);
			}
			switch (msg->ev_type) {

			case DM_EVENT_READ:
				spawn_kid(sid, msg->ev_token, RESTORE_FILE);
				break;

			case DM_EVENT_WRITE:
			case DM_EVENT_TRUNCATE:
				spawn_kid(sid, msg->ev_token, INVAL_FILE);
				break;

			default:
				err_msg("Invalid msg type %d\n", msg->ev_type);
				break;
			}
			msg = DM_STEP_TO_NEXT(msg, dm_eventmsg_t *);
		}
	}
out:
	if (msgbuf != NULL)
		free(msgbuf);

	migin_exit(0);
}
Esempio n. 7
0
// main event loop
void event_loop() {
  void *msgbuf;
  size_t bufsize, rlen;
  int error;
  dm_eventmsg_t *msg;
  pid_t process_id;

  void *hanp;
  size_t hlen;
  dm_data_event_t *msgev;

  int first_time=1;

  // define inizial message buffer size
  bufsize = sizeof(dm_eventmsg_t) + sizeof(dm_data_event_t) + HANDLE_LEN;
  bufsize *= 16;
  msgbuf  = (void *)malloc(bufsize);
  if (msgbuf == NULL) {
    fprintf(stderr,"Can't allocate memory for buffer\n");
    goto out;
  }

  // start infinite loop
  for (;;) {
    // cleanup all finished children
    while (child_proc_count) {
      process_id = waitpid((pid_t) -1, NULL, WNOHANG);
      if (process_id < 0) { // waitpid error
        fprintf(stderr, "cannot waitpid\n");
        exit(1);
      } else if (process_id == 0)  break; // no child to wait
      else {
        child_proc_count--;  // cleaned up one child
        if(Verbose) {
           fprintf(stderr,"Cleanup child with pid %d\n",process_id);
        }
      }
    }

    // if initialization is not finished, try to finalize
    if(global_state==1) finalize_init();

    // check if filesystem is mounted, otherwise exit
    if(global_state==2&&!filesystem_is_mounted()) exit_program(0);

    // sleep for MAIN_LOOP_SLEEP_TIME mus
    usleep(MAIN_LOOP_SLEEP_TIME);

    // check if maximum number of children has been reached
    if(child_proc_count>=MAXIMUM_ALLOWED_CHILDREN) {
      if(first_time) printf("Maximum number of children reached %d/%d\n",child_proc_count,MAXIMUM_ALLOWED_CHILDREN);
      first_time=0;
      continue;
    }

    if(!first_time) {
      printf("Number of children back to normality %d/%d\n",child_proc_count,MAXIMUM_ALLOWED_CHILDREN);
      first_time=1;
    }

    // get MAXIMUM_MESSAGES available event messages with unblocking call
    error = dm_get_events(sid, MAXIMUM_MESSAGES, 0, bufsize, msgbuf, &rlen);
    if (error == -1) {
      if (errno == E2BIG) {
        // message buffer was too small, enlarge it
        free(msgbuf);
        msgbuf = (void *)malloc(rlen);
        if (msgbuf == NULL) {
          fprintf(stderr,"Can't resize msg buffer\n");
          goto out;
        }
        continue;
      }
      // we got an error while getting events, or simply there were no events
      // for the moment continue, but should improve error handling here
      continue;
    }

    // examine each message and dispatch children to manage events and respond to client
    msg = (dm_eventmsg_t *)msgbuf;
    while (msg != NULL ) {
      if (Verbose) {
        fprintf(stderr, "Received %s, sid %llx token %llx %llx\n", (msg->ev_type == DM_EVENT_READ ? "READ" : 
                                                         (msg->ev_type == DM_EVENT_WRITE ? "WRITE" : (msg->ev_type == DM_EVENT_TRUNCATE ? "TRUNCATE" : "MOUNT"))), 
                                                         sid, msg->ev_token.high, msg->ev_token.low);
      }

      // get file handle 
      msgev  = DM_GET_VALUE(msg, ev_data, dm_data_event_t *);
      hanp = DM_GET_VALUE(msgev, de_handle, void *);
      hlen = DM_GET_LEN(msgev, de_handle);
     
      switch (msg->ev_type) {
         case DM_EVENT_MOUNT:
           spawn_child(msg->ev_token, hanp, hlen, "MOUNT");
           break;
         case DM_EVENT_READ:
           spawn_child(msg->ev_token, hanp, hlen, "READ");
           break;
         case DM_EVENT_WRITE:
           spawn_child(msg->ev_token, hanp, hlen, "WRITE");
           break;
         case DM_EVENT_TRUNCATE:
           spawn_child(msg->ev_token, hanp, hlen, "TRUNC");
           break;
         default:
           fprintf(stderr,"Invalid msg type %d\n", msg->ev_type);
           break;
      }
      // go to next event
      msg = DM_STEP_TO_NEXT(msg, dm_eventmsg_t *);
    }
  }

out:
  if (msgbuf != NULL) free(msgbuf);
  exit_program(0);
}