8f84d45dd6
tiny change in the countable interface which in turn required updating of header file includes in a lot of files. - Some small fixes to TRICS writing as well.
343 lines
9.5 KiB
C
343 lines
9.5 KiB
C
/*--------------------------------------------------------------------------
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Just a Status management object. Not very exciting.
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Mark Koennecke, November 1996
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added callback facilities and interst command.
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Mark Koennecke, August 1997
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Copyright:
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Labor fuer Neutronenstreuung
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Paul Scherrer Institut
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CH-5423 Villigen-PSI
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The authors hereby grant permission to use, copy, modify, distribute,
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and license this software and its documentation for any purpose, provided
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that existing copyright notices are retained in all copies and that this
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notice is included verbatim in any distributions. No written agreement,
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license, or royalty fee is required for any of the authorized uses.
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Modifications to this software may be copyrighted by their authors
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and need not follow the licensing terms described here, provided that
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the new terms are clearly indicated on the first page of each file where
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they apply.
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IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
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FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
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DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
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IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
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NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
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MODIFICATIONS.
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-----------------------------------------------------------------------------*/
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#include <stdlib.h>
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#include <assert.h>
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#include "fortify.h"
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#include <string.h>
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#include "sics.h"
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#include "status.h"
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#include "interrupt.h"
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#include "devexec.h"
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#define VALUECHANGE 2
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static Status eCode = eEager;
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static char *pText[] = {
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"Eager to execute commands",
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"User requested Wait",
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"Counting",
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"No Beam",
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"Paused",
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"Driving",
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"Running",
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"Running a scan",
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"Processing a batch file",
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"Halted",
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"Dead",
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"Waiting for User Input",
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NULL };
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static char *iText[] = {
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"eager",
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"userwait",
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"count",
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"nobeam",
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"paused",
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"driving",
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"running",
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"scanning",
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"batch",
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"halt",
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"dead",
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"input",
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NULL };
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static pICallBack pCall = NULL;
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/*-------------------------------------------------------------------------*/
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void KillStatus(void *pData)
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{
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if(pCall != NULL)
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{
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DeleteCallBackInterface(pCall);
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}
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}
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/*--------------------------------------------------------------------------*/
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void SetStatus(Status eNew)
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{
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if(eCode == eNew)
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{
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return;
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}
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eCode = eNew;
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InvokeCallBack(pCall,VALUECHANGE,NULL);
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}
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/*-------------------------------------------------------------------------*/
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Status GetStatus(void)
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{
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return eCode;
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}
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/*-------------------------------------------------------------------------*/
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void GetStatusText(char *buf, int iBufLen)
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{
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strncpy(buf,pText[(int)eCode],iBufLen-1);
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}
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/*-------------------------------------------------------------------------*/
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int SetStatusFromText(char *text)
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{
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int i = 0;
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/* check for short form */
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strtolower(text);
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while(iText[i] != NULL)
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{
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if(strcmp(text,iText[i]) == 0)
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{
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break;
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}
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i++;
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}
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if(i >= 10)
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{
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/* check for long form */
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i = 0;
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while(pText[i] != NULL)
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{
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if(strcmp(text,pText[i]) == 0)
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{
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break;
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}
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i++;
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}
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if(i >= 10)
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{
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return 0;
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}
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}
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SetStatus((Status)i);
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return 1;
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}
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/*------------------- The CallBack function for interest ------------------*/
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static int StatusCallback(int iEvent, void *pEvent, void *pUser)
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{
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SConnection *pCon;
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char pBueffel[80];
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assert(pUser);
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pCon = (SConnection *)pUser;
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sprintf(pBueffel,"status = %s", pText[(int)eCode]);
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SCWrite(pCon,pBueffel,eWarning);
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return 1;
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}
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/*-----------------------------------------------------------------------*/
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int UserStatus(SConnection *pCon, SicsInterp *pSics, void *pData,
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int argc, char *argv[])
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{
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char pBueffel[512];
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long lID;
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assert(pSics);
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assert(pCon);
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/* create callback if not present */
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if(pCall == NULL)
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{
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pCall = CreateCallBackInterface();
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}
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/* check for interest */
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if(argc > 1)
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{
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strtolower(argv[1]);
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if(strcmp(argv[1],"interest") == 0)
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{
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lID = RegisterCallback(pCall, VALUECHANGE, StatusCallback,
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pCon, NULL);
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SCRegister(pCon,pSics, pCall,lID);
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SCSendOK(pCon);
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return 1;
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}
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}
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/* else just print value */
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sprintf(pBueffel,"status = %s", pText[(int)eCode]);
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SCWrite(pCon,pBueffel,eValue);
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return 1;
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}
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/*-------------------------------------------------------------------------*/
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int ResetStatus(SConnection *pCon, SicsInterp *pSics, void *pData,
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int argc, char *argv[])
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{
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assert(pCon);
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assert(pSics);
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if(!SCMatchRights(pCon,usUser))
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{
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SCWrite(pCon,"Insufficient authorisation to reset server",eError);
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return 0;
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}
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SetStatus(eEager);
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SetInterrupt(eContinue);
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ClearExecutor(GetExecutor());
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return 1;
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}
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/* ===================== Control Connection Management ====================*/
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static SConnection *pOwner = NULL;
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void SetControl(SConnection *pCon)
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{
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pOwner = pCon;
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}
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/*--------------------------------------------------------------------------*/
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int IsControl(SConnection *pCon)
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{
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if(pCon == pOwner)
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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/*--------------------------------------------------------------------------*/
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SConnection *GetControl(void)
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{
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return pOwner;
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}
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/*--------------------------------------------------------------------------*/
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int RedirectControl(SConnection *pCon, SicsInterp *pSics, void *pData,
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int argc, char *argv[])
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{
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assert(pCon);
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assert(pSics);
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/* check user Rights */
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if(!SCMatchRights(pCon,usUser))
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{
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SCWrite(pCon,
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"You have NO, I repeat NO, Privilege to grab a control connection",
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eError);
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return 0;
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}
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/* check if the connection is dead at all */
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if(pCon->pSock)
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{
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SCWrite(pCon,
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"GOTCHA!!! Control still lives! You CANNOT grab it! FUCK OFF",
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eError);
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return 0;
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}
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/* now the wizardry */
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pOwner->pSock = pCon->pSock;
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return 1;
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}
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/*-----------------------------------------------------------------------*/
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int BackupStatus(SConnection *pCon, SicsInterp *pSics, void *pData,
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int argc, char *argv[])
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{
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int iRet;
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char pBueffel[512];
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char *pFile = NULL;
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assert(pSics);
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assert(pCon);
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if(argc < 2)
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{
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pFile = IFindOption(pSICSOptions,"statusfile");
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if(pFile)
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{
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iRet = WriteSicsStatus(pSics,pFile);
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}
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else
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{
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SCWrite(pCon,"ERROR: No filename given for backup, Aborted.",
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eError);
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return 0;
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}
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}
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else
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{
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iRet = WriteSicsStatus(pSics,argv[1]);
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}
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if(!iRet)
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{
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sprintf(pBueffel,"ERROR: could not open file %s\n", argv[1]);
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SCWrite(pCon,pBueffel,eError);
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return 0;
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}
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SCSendOK(pCon);
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return 1;
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}
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/*-----------------------------------------------------------------------*/
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int RestoreStatus(SConnection *pCon, SicsInterp *pSics, void *pData,
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int argc, char *argv[])
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{
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char pBueffel[512];
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int iRights;
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int iRet;
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char *pFile = NULL;
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assert(pSics);
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assert(pCon);
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if(argc < 2)
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{
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pFile = IFindOption(pSICSOptions,"statusfile");
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if(pFile)
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{
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sprintf(pBueffel,"FileEval %s",pFile);
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}
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else
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{
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SCWrite(pCon,"ERROR: No filename given for backup, Aborted.",
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eError);
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return 0;
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}
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}
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else
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{
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sprintf(pBueffel,"FileEval %s",argv[1]);
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}
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iRights = SCGetRights(pCon);
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pCon->iUserRights = usInternal;
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iRet = InterpExecute(pSics,pCon,pBueffel);
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pCon->iUserRights = iRights;
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return iRet;
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}
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