Files
sics/tclev.c
2005-03-04 09:43:18 +00:00

533 lines
14 KiB
C

/*---------------------------------------------------------------------------
T C L E N V I R O N M E N T
This is the implementation file for the Tcl driver to a environment
device. For more documentation see tclev.tex or the apropriate section
in the reference manual.
copyright: see copyright.h
Mark Koennecke, February 1998
-----------------------------------------------------------------------------*/
#include <tcl.h>
#include "sics.h"
#include "splitter.h"
#include "fortify.h"
#include "obpar.h"
#include "evcontroller.h"
#include "evcontroller.i"
#include "evdriver.i"
#include "tclev.h"
#include "tclev.i"
#define STUPIDTCL -1023
/*----------------------------------------------------------------------------
The first section starts with the definition of the wrappers for all the driver
functions.
-----------------------------------------------------------------------------*/
static int TclSetValue(pEVDriver self, float fNew)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* build command line */
sprintf(pBueffel,"%s %s %f",pPriv->pSetValue, pPriv->pArray, fNew);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
strncpy(pBueffel,pPriv->pTcl->result,1023);
iRet = Tcl_GetInt(pPriv->pTcl,pBueffel,&iErrCode);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
pPriv->iLastError = iErrCode;
return 0;
}
return 1;
}
/*-------------------------------------------------------------------------*/
static int TclGetValue(pEVDriver self, float *fVal)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
double d;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* build command line */
sprintf(pBueffel,"%s %s",pPriv->pGetValue, pPriv->pArray);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
strncpy(pBueffel,pPriv->pTcl->result,1023);
iRet = Tcl_GetInt(pPriv->pTcl,pBueffel,&iErrCode);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
pPriv->iLastError = iErrCode;
return 0;
}
else
{
if(strstr(pPriv->pTcl->result,"pending") != NULL)
{
*fVal = 90.;
return -1;
}
iRet = Tcl_GetDouble(pPriv->pTcl,pPriv->pTcl->result,&d);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
else
{
*fVal = (float)d;
return 1;
}
}
return 1;
}
/*-------------------------------------------------------------------------*/
static int TclSend(pEVDriver self, char *pCommand,
char *pReply, int iReplyLen)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
double d;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* build command line */
sprintf(pBueffel,"%s %s %s",pPriv->pSend, pPriv->pArray,pCommand);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
strncpy(pBueffel,pPriv->pTcl->result,1023);
iRet = Tcl_GetInt(pPriv->pTcl,pBueffel,&iErrCode);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
pPriv->iLastError = iErrCode;
return 0;
}
else
{
strncpy(pReply,pPriv->pTcl->result,iReplyLen);
}
return 1;
}
/*--------------------------------------------------------------------------*/
static int TclGetError(pEVDriver self, int *iCode,
char *pReply, int iReplyLen)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
double d;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* do the iCode first */
*iCode = pPriv->iLastError;
/* catch the stupid Tcl thing */
if(pPriv->iLastError == STUPIDTCL)
{
sprintf(pBueffel,"Your Tcl-script returned a stupid answer:\n --> %s <--",
pPriv->pTcl->result);
strncpy(pReply,pBueffel,iReplyLen);
return 1;
}
/* build command line */
sprintf(pBueffel,"%s %s %d",pPriv->pGetError, pPriv->pArray,pPriv->iLastError);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
strncpy(pBueffel,pPriv->pTcl->result,1023);
iRet = Tcl_GetInt(pPriv->pTcl,pPriv->pTcl->result,&iErrCode);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
pPriv->iLastError = iErrCode;
return 0;
}
else
{
strncpy(pReply,pPriv->pTcl->result,iReplyLen);
}
return 1;
}
/*--------------------------------------------------------------------------*/
static int TclTryFixIt(pEVDriver self, int iCode)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
double d;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* catch the stupid Tcl thing */
if(iCode == STUPIDTCL)
{
return DEVREDO;
}
/* build command line */
sprintf(pBueffel,"%s %s %d",pPriv->pTryFixIt, pPriv->pArray,iCode);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
return DEVFAULT;
}
else
{
if(strcmp(pPriv->pTcl->result,"DEVFAULT") == 0)
{
return DEVFAULT;
}
else if(strcmp(pPriv->pTcl->result,"DEVREDO") == 0)
{
return DEVREDO;
}
else if(strcmp(pPriv->pTcl->result,"DEVOK") == 0)
{
return DEVOK;
}
else
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
}
return 1;
}
/*-------------------------------------------------------------------------*/
static int TclInit(pEVDriver self)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* build command line */
sprintf(pBueffel,"%s %s",pPriv->pInit, pPriv->pArray);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
strncpy(pBueffel,pPriv->pTcl->result,1023);
iRet = Tcl_GetInt(pPriv->pTcl,pBueffel,&iErrCode);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
pPriv->iLastError = iErrCode;
return 0;
}
return 1;
}
/*--------------------------------------------------------------------------*/
static int TclClose(pEVDriver self)
{
pTclEv pPriv = NULL;
char pBueffel[1024];
int iRet, iErrCode;
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
/* build command line */
sprintf(pBueffel,"%s %s",pPriv->pClose, pPriv->pArray);
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet != TCL_OK)
{
strncpy(pBueffel,pPriv->pTcl->result,1023);
iRet = Tcl_GetInt(pPriv->pTcl,pBueffel,&iErrCode);
if(iRet != TCL_OK)
{
pPriv->iLastError = STUPIDTCL;
return 0;
}
pPriv->iLastError = iErrCode;
return 0;
}
return 1;
}
/*---------------------------------------------------------------------------*/
static void KillPrivate(void *pData)
{
pTclEv pPriv = NULL;
pPriv = (pTclEv)pData;
assert(pPriv);
if(pPriv->pArray)
{
free(pPriv->pArray);
}
if(pPriv->pInit)
{
free(pPriv->pInit);
}
if(pPriv->pClose)
{
free(pPriv->pClose);
}
if(pPriv->pSetValue)
{
free(pPriv->pSetValue);
}
if(pPriv->pGetValue)
{
free(pPriv->pGetValue);
}
if(pPriv->pSend)
{
free(pPriv->pSend);
}
if(pPriv->pGetError)
{
free(pPriv->pGetError);
}
if(pPriv->pTryFixIt)
{
free(pPriv->pTryFixIt);
}
if(pPriv->pWrapper)
{
free(pPriv->pWrapper);
}
if(pPriv->pName)
{
free(pPriv->pName);
}
free(pPriv);
}
/*-----------------------------------------------------------------------*/
pEVDriver CreateTclDriver(int argc, char *argv[],char *pName,
SConnection *pCon)
{
pEVDriver pNew = NULL;
pTclEv pPriv = NULL;
int iRet;
/* the "const" saves us from a couple of warnings M.Z.*/
const char *pPtr = NULL;
if(argc < 1)/* we expect a Tcl array with all data */
{
return NULL;
}
pPriv = (pTclEv)malloc(sizeof(TclEv));
if(!pPriv)
{
return NULL;
}
memset(pPriv,0,sizeof(TclEv));
/* find the names of all the functions we need in the Tcl Array */
pPriv->pTcl = InterpGetTcl(pServ->pSics);
assert(pPriv->pTcl);
pPriv->pArray = strdup(argv[0]);
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"Init",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: Init script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pInit = strdup(pPtr);
}
pPtr = NULL;
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"Close",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: Close script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pClose = strdup(pPtr);
}
pPtr = NULL;
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"SetValue",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: SetValue script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pSetValue = strdup(pPtr);
}
pPtr = NULL;
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"GetValue",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: GetValue script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pGetValue = strdup(pPtr);
}
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"Send",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: Send script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pSend = strdup(pPtr);
}
pPtr = NULL;
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"GetError",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: GetError script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pGetError = strdup(pPtr);
}
pPtr = NULL;
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"TryFixIt",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: TryFixIt script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pTryFixIt = strdup(pPtr);
}
pPtr = NULL;
pPtr = Tcl_GetVar2(pPriv->pTcl,argv[0],"Wrapper",TCL_GLOBAL_ONLY);
if(!pPtr)
{
SCWrite(pCon,"ERROR: Wrapper script not found",eError);
KillPrivate(pPriv);
return NULL;
}
else
{
pPriv->pWrapper = strdup(pPtr);
}
/* well all there, do the driver */
pNew = CreateEVDriver(argc,argv);
if(!pNew)
{
KillPrivate(pPriv);
return NULL;
}
/* handle the name */
pPriv->pName = strdup(pName);
pPtr = Tcl_SetVar2(pPriv->pTcl,argv[0],"MyName",pName, TCL_GLOBAL_ONLY);
/* initialise driver and functions */
pNew->pPrivate = pPriv;
pNew->SetValue = TclSetValue;
pNew->GetValue = TclGetValue;
pNew->Send = TclSend;
pNew->GetError = TclGetError;
pNew->TryFixIt = TclTryFixIt;
pNew->Init = TclInit;
pNew->Close = TclClose;
pNew->KillPrivate = KillPrivate;
/* driver loaded, ready steady fire! */
return pNew;
}
/*-------------------------------------------------------------------------*/
int UpdateTclVariable(pEVDriver self, char *name, float fVal)
{
pTclEv pPriv = NULL;
char pBueffel[132];
const char *pPtr = NULL;
assert(self);
pPriv = (pTclEv)self->pPrivate;
assert(pPriv);
sprintf(pBueffel,"%f",fVal);
pPtr = Tcl_SetVar2(pPriv->pTcl,pPriv->pArray,name,
pBueffel,TCL_GLOBAL_ONLY);
if(pPtr == NULL)
{
return 0;
}
return 1;
}
#define MAXLEN 2048
/*--------------------------------------------------------------------------*/
int TclEnvironmentWrapper(SConnection *pCon, SicsInterp *pSics,
void *pData, int argc, char *argv[])
{
int iRet, i;
char pBueffel[MAXLEN+1];
pTclEv pPriv = NULL;
pEVControl pEv = NULL;
pEv = (pEVControl)pData;
assert(pEv);
pPriv = pEv->pDriv->pPrivate;
assert(pPriv);
/* build command line */
sprintf(pBueffel,"%s %s",pPriv->pWrapper,pPriv->pArray);
for(i = 1; i < argc; i++)
{
if((strlen(pBueffel) + strlen(argv[i])) < MAXLEN)
{
strcat(pBueffel," ");
strcat(pBueffel,argv[i]);
}
}
/* execute Tcl */
iRet = Tcl_Eval(pPriv->pTcl,pBueffel);
if(iRet == TCL_OK)
{
return 1;
}
else
{
return EVControlWrapper(pCon,pSics,pData,argc,argv);
}
}