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PSI sics-cvs-psi-2008-10-02

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koennecke
2008-10-02 00:00:00 +00:00
committed by Douglas Clowes
parent 6e926b813f
commit 4baffb9b7a
304 changed files with 77527 additions and 3612 deletions
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296
statusfile.c Normal file
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/*--------------------------------------------------------------------------
Handling of status files
Mark Koennecke, November 1996
Updated in order to prevent status floods
Mark Koennecke, July 2004
Reworked restore to keep parameters from uninitialized devices
Mark Koennecke, November 2007
Copyright:
Labor fuer Neutronenstreuung
Paul Scherrer Institut
CH-5423 Villigen-PSI
The authors hereby grant permission to use, copy, modify, distribute,
and license this software and its documentation for any purpose, provided
that existing copyright notices are retained in all copies and that this
notice is included verbatim in any distributions. No written agreement,
license, or royalty fee is required for any of the authorized uses.
Modifications to this software may be copyrighted by their authors
and need not follow the licensing terms described here, provided that
the new terms are clearly indicated on the first page of each file where
they apply.
IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.
-----------------------------------------------------------------------------*/
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include "fortify.h"
#include <string.h>
#include "sics.h"
#include "statusfile.h"
#include "lld_str.h"
#include "lld.h"
#include "exebuf.h"
static int parameterChange = 0;
/*-----------------------------------------------------------------------*/
int StatusFileTask(void *data) {
char *pFile = NULL;
if (parameterChange) {
parameterChange = 0;
assert(pServ->pSics);
pFile = IFindOption(pSICSOptions,"statusfile");
if (pFile) {
WriteSicsStatus(pServ->pSics,pFile,0);
}
}
return 1;
}
/*---------------------------------------------------------------------*/
static int motorSave = 0;
/*-----------------------------------------------------------------------*/
int BackupStatus(SConnection *pCon, SicsInterp *pSics, void *pData,
int argc, char *argv[])
{
int iRet;
char pBueffel[512];
char *pFile = NULL;
assert(pSics);
assert(pCon);
if(argc < 2)
{
pFile = IFindOption(pSICSOptions,"statusfile");
if(pFile)
{
iRet = WriteSicsStatus(pSics,pFile,motorSave);
}
else
{
SCWrite(pCon,"ERROR: No filename given for backup, Aborted.",
eError);
return 0;
}
}
else
{
if(strcmp(argv[1],"motorSave") == 0)
{
if(motorSave== 1)
motorSave= 0;
else
motorSave= 1;
sprintf(pBueffel,"New Value of motorSave= %d\n",motorSave);
SCWrite(pCon,pBueffel,eValue);
return 1;
}
else
{
iRet = WriteSicsStatus(pSics,argv[1],motorSave);
}
}
if(!iRet)
{
sprintf(pBueffel,"ERROR: could not open file %s\n", argv[1]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
SCSendOK(pCon);
return 1;
}
/*---------------------------------------------------------------------*/
static int restoreOccurred = 0;
int hasRestored(){
return restoreOccurred;
}
/*---------------------------------------------------------------------------*/
typedef struct {
pObjectDescriptor pDes;
int errList;
}RestoreObj, *pRestoreObj;
/*---------------------------------------------------------------------------*/
static void killRestore(void *data){
pRestoreObj self = (pRestoreObj)data;
if(self == NULL){
return;
}
if(self->errList >= 0){
LLDdeleteBlob(self->errList);
}
if(self->pDes != NULL){
DeleteDescriptor(self->pDes);
}
free(self);
}
/*--------------------------------------------------------------------------*/
static int SaveRestore(void *obj, char *name, FILE *fd){
int status;
char buffer[1024];
pRestoreObj self = (pRestoreObj)obj;
if(self == NULL){
return 0;
}
fprintf(fd,"\n#--- BEGIN (commands producing errors on last restore)\n");
status = LLDnodePtr2First(self->errList);
while(status == 1){
LLDstringData(self->errList,buffer);
fprintf(fd,"%s", buffer);
status = LLDnodePtr2Next(self->errList);
}
fprintf(fd,"#--- END (commands producing errors on last restore)\n\n");
return 1;
}
/*---------------------------------------------------------------------------*/
int InstallBckRestore(SConnection *pCon, SicsInterp *pSics){
pRestoreObj pNew = NULL;
pNew = malloc(sizeof(RestoreObj));
if(pNew == NULL){
SCWrite(pCon,"ERROR: no memory to create restore object! This is SERIOUS!!!",
eError);
return 0;
}
pNew->pDes = CreateDescriptor("BckRestore");
pNew->errList = LLDstringCreate();
if(pNew->pDes == NULL || pNew->errList < 0){
SCWrite(pCon,"ERROR: no memory to create restore object! This is SERIOUS!!!",
eError);
return 0;
}
pNew->pDes->SaveStatus = SaveRestore;
AddCommand(pSics,"Backup",BackupStatus,NULL,NULL);
AddCommand(pSics,"Restore",RestoreStatus,killRestore,pNew);
return 1;
}
/*-----------------------------------------------------------------------*/
static int listRestoreErr(pRestoreObj self, SConnection *pCon){
char buffer[1024];
int status;
pDynString data = NULL;
SCStartBuffering(pCon);
status = LLDnodePtr2First(self->errList);
while(status == 1){
LLDstringData(self->errList,buffer);
SCWrite(pCon,buffer,eValue);
status = LLDnodePtr2Next(self->errList);
}
data = SCEndBuffering(pCon);
if(data != NULL){
SCWrite(pCon,GetCharArray(data),eValue);
}
return 1;
}
/*-----------------------------------------------------------------------*/
int RestoreStatus(SConnection *pCon, SicsInterp *pSics, void *pData,
int argc, char *argv[])
{
char pBueffel[512];
int iRights;
int iRet;
char *pFile = NULL;
writeFunc oldWrite;
pExeBuf buffi = NULL;
pRestoreObj self = (pRestoreObj)pData;
assert(pSics);
assert(pCon);
assert(self != NULL);
if(argc < 2)
{
pFile = IFindOption(pSICSOptions,"statusfile");
if(pFile)
{
sprintf(pBueffel,"%s",pFile);
}
else
{
SCWrite(pCon,"ERROR: No filename given for backup, Aborted.",
eError);
return 0;
}
}
else
{
if(strcasecmp(argv[1],"listerr") == 0){
return listRestoreErr(self,pCon);
} else if(strcasecmp(argv[1],"killerr") == 0){
if(self->errList >= 0){
LLDdeleteBlob(self->errList);
}
self->errList = LLDstringCreate();
StatusFileDirty();
SCSendOK(pCon);
return 1;
} else {
sprintf(pBueffel,"%s",argv[1]);
}
}
buffi = exeBufCreate("restore");
if(buffi == NULL){
SCWrite(pCon,"ERROR: failed to allocate buffer for restore",eError);
return 0;
}
iRet = exeBufLoad(buffi,pBueffel);
if(iRet != 1){
exeBufDelete(buffi);
SCWrite(pCon,"ERROR: failed open status file",eError);
return 0;
}
LLDdeleteBlob(self->errList);
self->errList = LLDstringCreate();
iRights = SCGetRights(pCon);
pCon->iUserRights = usInternal;
oldWrite = SCGetWriteFunc(pCon);
SCSetWriteFunc(pCon,SCNotWrite);
iRet = exeBufProcessErrList(buffi,pSics,pCon,self->errList);
restoreOccurred = 1;
SCSetWriteFunc(pCon,oldWrite);
pCon->iUserRights = iRights;
exeBufDelete(buffi);
/*
if we do not override parameterChange here, the backup file
would be overwritten after each restore... Not the right thing
to do!
*/
parameterChange = 0;
SCSendOK(pCon);
return iRet;
}
/*-----------------------------------------------------------------------*/
void StatusFileDirty(void) {
parameterChange = 1;
}
/*-----------------------------------------------------------------------*/
void StatusFileInit(void) {
TaskRegister(pServ->pTasker, StatusFileTask, NULL, NULL, NULL, 0);
}