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rfccal.c
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/* $Id: rfccal.c,v 1.22 2005/08/14 16:20:13 koucky Exp $
* SAP RFC Client Abstraction Layer (CAL)
* Author: Eduard Koucky <[email protected]> (c) 2001
*/
#include "rfccal.h"
/* #define RFC_MEMORY_DEBUG */
#define TEMP_BUFFER_SIZE 128
#define INIT_ERROR_MESSAGE() *CAL_LAST_ERROR_MESSAGE=0
#define FEATURE_3x_COMPATIBILITY(version) version[0]=='3'
#define FEATURE_OPTIONAL_PARAM(version) (version[0]=='4' && version[1]=='6') || version[0]>'4'
#define FEATURE_UNICODE(version) version[0]>='6'
static char CAL_LAST_ERROR_MESSAGE[1024];
static char RFC_LAST_ERROR_MESSAGE[1024];
static char RFC_LIBVERSION_INFO[1024];
#ifdef RFC_MEMORY_DEBUG
static RFC_ENV rfcenv;
#endif
/*********************************************************************
* I N T E R N A L F U N C T I O N S *
*********************************************************************/
/* internal function */
void * DLL_CALL_BACK_FUNCTION cal_allocate (void *old_ptr, unsigned long new_size)
{
void *ptr=NULL;
if ( old_ptr == NULL )
{
ptr = malloc (new_size);
zend_printf ("RFC Allocate %lu bytes, ptr %p\n",new_size,ptr);
return (ptr);
}
if ( new_size == 0 )
{
if (old_ptr == NULL ) zend_printf ("RFC Free: NULL pointer passed\n");
else
{
free(old_ptr);
zend_printf ("RFC Free, ptr %p\n",old_ptr);
}
return (old_ptr);
}
ptr = realloc(old_ptr,new_size);
zend_printf ("RFC Reallocate %lu bytes, oldptr %p, newptr %p\n",new_size,old_ptr,ptr);
return ( ptr );
}
/* internal function */
static char *strtoupper (char *s)
{
char *p;
p=s;
if (s)
while (*p) { *p = toupper (*p); p++; }
return (s);
}
/* internal function */
static char *strsafecpy (char *dest, char *src, int len)
{
strncpy (dest,src,len);
dest[len]=0;
return (dest);
}
/* internal function, convert RFC value to string */
static char *cal_conv_rfc_to_string (void *rfc_value, CALD_DEFINITION *def)
{
char *dest,tmp[TEMP_BUFFER_SIZE+1];
char *p, *s;
int i;
dest = (char *) rfc_value;
memset (tmp,0,TEMP_BUFFER_SIZE+1);
if (def->retbuf) VFREE(def->retbuf);
def->retbuf = NULL;
switch (def->type) {
case TYPC: i=def->len-1;
if (def->is_rawstr == 0)
{
while (i>=0 && dest[i] == ' ') i--;
}
def->retbuf = VCALLOC(i+2);
memcpy (def->retbuf,rfc_value,i+1);
break;
case TYPNUM: i=0;
while ((unsigned) i<def->len-1 && dest[i]=='0') i++;
def->retbuf = VCALLOC(def->len-i+1);
memcpy(def->retbuf,(char *)rfc_value+i,def->len-i);
break;
case TYPX: def->retbuf = VCALLOC(def->len+1);
memcpy (def->retbuf,rfc_value,def->len);
break;
case TYPP: RfcConvertBcdToChar (rfc_value,def->len,def->decimals,tmp,TEMP_BUFFER_SIZE);
p=tmp; while (*p==' ') p++;
s=tmp+TEMP_BUFFER_SIZE-1; while (*s==' ') { *s=0; s--; }
def->retbuf = VCALLOC (strlen(p)+1);
memcpy (def->retbuf,p,strlen(p));
break;
case TYPINT1: sprintf(tmp,"%hu", *((RFC_INT1 *) rfc_value));
def->retbuf = VCALLOC (strlen(tmp)+1);
memcpy (def->retbuf,tmp,strlen(tmp));
break;
case TYPINT2: sprintf(tmp,"%d", *((RFC_INT2 *) rfc_value));
def->retbuf = VCALLOC (strlen(tmp)+1);
memcpy (def->retbuf,tmp,strlen(tmp));
break;
case TYPINT: sprintf(tmp,"%d", *((RFC_INT *) rfc_value));
def->retbuf = VCALLOC (strlen(tmp)+1);
memcpy (def->retbuf,tmp,strlen(tmp));
break;
case TYPFLOAT: sprintf(tmp,"%f", *((RFC_FLOAT *) rfc_value));
def->retbuf = VCALLOC (strlen(tmp)+1);
memcpy (def->retbuf,tmp,strlen(tmp));
break;
case TYPDATE:
case TYPTIME: def->retbuf = VCALLOC (def->len+1);
memcpy (def->retbuf,rfc_value,def->len);
break;
default: def->retbuf = VCALLOC (def->len+1);
*def->retbuf = 0;
}
return (def->retbuf);
}
/* internal function, convert string to RFC value */
static void cal_conv_string_to_rfc (char *param, void *rfc_value, CALD_DEFINITION *def)
{
int offset;
RFC_INT1 *p1;
RFC_INT2 *p2;
RFC_INT *pi;
RFC_FLOAT *pf;
p1 = rfc_value;
p2 = rfc_value;
pi = rfc_value;
pf = rfc_value;
if (*param==0)
switch (def->type) {
case TYPDATE: param="00000000"; break;
case TYPTIME: param="000000"; break;
case TYPNUM:
case TYPP:
case TYPINT:
case TYPINT1:
case TYPINT2: param="0";break;
case TYPFLOAT:param="0.0";break;
}
switch (def->type) {
case TYPC:
case TYPDATE:
case TYPTIME: memset (rfc_value,' ',def->len);
memcpy (rfc_value,param,__MIN(strlen(param),def->len));
break;
case TYPNUM: memset (rfc_value,'0',def->len);
offset=def->len-(__MIN(strlen(param),def->len));
memcpy ((char *)rfc_value+offset,param,__MIN(strlen(param),def->len));
break;
case TYPX: memset (rfc_value,0,def->len);
memcpy (rfc_value,param,def->len);
break;
case TYPP: RfcConvertCharToBcd (param,strlen(param),&def->decimals,rfc_value,def->len);
break;
case TYPINT1: *p1 = (RFC_INT1) atoi(param);
break;
case TYPINT2: *p2 = (RFC_INT2) atoi(param);
break;
case TYPINT : *pi = (RFC_INT) atol(param);
break;
case TYPFLOAT:*pf = atof(param);
break;
default: memset (rfc_value,0,def->len); /* unknown data type */
break;
}
}
/* internal function, convert ABAP (C,I,D,T...) type to RFC type */
static void cal_conv_abap_to_rfc (CALD_DEFINITION *def, char abap_type, int length, int decimal)
{
abap_type = toupper (abap_type);
switch (abap_type) {
case 'C': def->type = TYPC;
def->len = length;
def->decimals = 0;
break;
case 'N': def->type = TYPNUM;
def->len = length;
def->decimals = 0;
break;
case 'X': def->type = TYPX;
def->len = length;
def->decimals = 0;
break;
case 'P': def->type = TYPP;
def->len = length;
def->decimals = decimal;
break;
case 'B': def->type = TYPINT1;
def->len = sizeof(RFC_INT1);
def->decimals = 0;
break;
case 'S': def->type = TYPINT2;
def->len = sizeof(RFC_INT2);
def->decimals = 0;
break;
case 'I': def->type = TYPINT;
def->len = sizeof(RFC_INT);
def->decimals = 0;
break;
case 'F': def->type = TYPFLOAT;
def->len = sizeof(RFC_FLOAT);
def->decimals = 0;
break;
case 'D': def->type = TYPDATE;
def->len = 8;
def->decimals = 0;
break;
case 'T': def->type = TYPTIME;
def->len = 6;
def->decimals = 0;
break;
default : def->type = TYPC;
def->len = length;
def->decimals = 0;
break;
}
}
/* internal function, RFC type to ABAP (C,I,D,T...) */
static char cal_conv_rfc_to_abap (int rfc_type)
{
char abap=' ';
switch (rfc_type) {
case TYPC : abap='C'; break;
case TYPNUM : abap='N'; break;
case TYPX : abap='X'; break;
case TYPP : abap='P'; break;
case TYPINT1 : abap='b'; break;
case TYPINT2 : abap='s'; break;
case TYPINT : abap='I'; break;
case TYPFLOAT: abap='F'; break;
case TYPDATE : abap='D'; break;
case TYPTIME : abap='T'; break;
default : abap=' '; break;
}
return (abap);
}
/* internal function, find existing definition and get offset position in the structure */
CALD_DEFINITION *cal_def_find (CALD_DEFINITION *def, char *item, int *offset)
{
*offset = 0;
while (def)
{
if ( strcmp (def->item,item)==0 ) break;
def=def->next;
}
if (def) *offset = def->offset;
return (def);
}
/* internal function, set offset */
CALD_DEFINITION *cal_def_set_offset (CALD_DEFINITION *def, char *item, int p_offset)
{
int alignment, offset;
offset = 0;
while (def)
{
switch (def->type) {
case TYPINT2 :
case TYPINT :
case TYPFLOAT: alignment = offset % def->len; if (alignment) alignment = def->len-alignment; break;
default : alignment = 0; break;
}
offset += alignment;
if ( strcmp (def->item,item)==0 ) {
def->offset = (p_offset == -1) ? offset : p_offset;
}
offset += def->len;
def=def->next;
}
return (def);
}
/* internal function, get number of item definitions */
static int cal_def_count (CALD_DEFINITION *def)
{
int count = 0;
CALD_DEFINITION *p;
p=def;
while (p)
{
count++;
p=p->next;
}
return (count);
}
/* internal function, init buffer for value */
static RFC_TYPE_ELEMENT *cal_def_array (CALD_DEFINITION *def,int num)
{
RFC_TYPE_ELEMENT *defarray;
int i;
defarray = VCALLOC(sizeof(RFC_TYPE_ELEMENT)*num);
if (defarray)
for (i=0; i<num && def; i++)
{
defarray[i].name = def->item;
defarray[i].type = def->type;
defarray[i].length = def->len;
defarray[i].decimals = def->decimals;
def=def->next;
}
return (defarray);
}
/* internal function, create new interface or find existing */
static CALD_INTERFACE *cal_iface_find_or_create (CALD_FUNCTION_MODULE *fce,char *name,int type)
{
CALD_INTERFACE *iface, *p;
if (fce->iface == NULL)
{
fce->iface = VCALLOC(sizeof(CALD_INTERFACE));
iface = fce->iface;
}
else
{
p = iface = fce->iface;
while (iface)
{
if ( iface->type == type && strcmp (iface->name,name)==0 )
return (iface);
p = iface;
iface = iface->next;
}
p->next = VCALLOC(sizeof(CALD_INTERFACE));
iface = p->next;
}
strsafecpy (iface->name,name,CALC_INTERFACE_SZ);
iface->type = type;
return (iface);
}
/* internal function, find existing interface */
static CALD_INTERFACE *cal_iface_find (CALD_FUNCTION_MODULE *fce,char *name,int type)
{
CALD_INTERFACE *p;
p = fce->iface;
while (p)
{
if ( p->type==type && strcmp (p->name,name)==0 ) break;
if ( p->type==CALC_UNDEF && strcmp (p->name,name)==0 ) break;
p=p->next;
}
return (p);
}
/* internal function, add new interface definition */
static void cal_iface_add (CALD_INTERFACE *iface, char* item,char abap, unsigned len,unsigned decimals, int offset)
{
CALD_DEFINITION *def, *p;
int alignment;
if (iface->def == NULL)
{
iface->def = VCALLOC(sizeof(CALD_DEFINITION));
def = iface->def;
iface->num++;
}
else
{
p = def = iface->def;
while (def)
{
p = def;
def = def->next;
}
p->next = VCALLOC(sizeof(CALD_DEFINITION));
def=p->next;
iface->num++;
}
strsafecpy (def->item,item,CALC_DEFINITION_SZ);
cal_conv_abap_to_rfc (def,abap,len,decimals);
cal_def_set_offset (iface->def,def->item, offset);
iface->buflen = def->offset + def->len;
if (iface->num>1)
{ alignment = iface->buflen % 8; if (alignment) iface->buflen += 8-alignment; }
}
/* internal function, get count of interface items */
static int cal_iface_count (CALD_FUNCTION_MODULE *fce, int type)
{
int count = 0;
CALD_INTERFACE *p;
p=fce->iface;
while (p)
{
if ( p->type==type || type==CALC_UNDEF ) count++;
p=p->next;
}
return (count);
}
/* internal function, get interface no. index */
static CALD_INTERFACE *cal_iface_get_index (CALD_FUNCTION_MODULE *fce, int type,int index)
{
CALD_INTERFACE *p;
p = fce->iface;
if (type == CALC_UNDEF)
{
while (p && index > 0) { index--; p=p->next; }
}
else
{
while (p)
{
if ( p->type == type && index == 0) break;
if ( p->type == type ) index--;
p=p->next;
}
}
return (p);
}
/* internal function, init buffer for value */
static void cal_iface_init_buffer (CALD_INTERFACE *iface)
{
CALD_DEFINITION *p;
int offset;
char *rawbuf;
offset = 0;
p = iface->def;
while (p)
{
cal_def_find (iface->def,p->item, &offset);
/* special handling for RAW data type inicialization */
if (p->type == TYPX)
{
rawbuf = VCALLOC (p->len);
if (rawbuf)
{
cal_conv_string_to_rfc (rawbuf,iface->buffer+offset, p);
VFREE(rawbuf);
}
}
else
cal_conv_string_to_rfc ("", iface->buffer+offset, p);
p = p->next;
}
iface->is_set = 0;
}
/*********************************************************************
* P U B L I C F U N C T I O N S *
*********************************************************************/
RFC_HANDLE _cal_open (char *connect_param)
{
RFC_ERROR_INFO_EX error_info;
RFC_HANDLE rfc;
INIT_ERROR_MESSAGE();
rfc = RfcOpenEx (connect_param, &error_info);
if (rfc == RFC_HANDLE_NULL)
{
sprintf(CAL_LAST_ERROR_MESSAGE,"RFC Error Info :\n" );
sprintf(CAL_LAST_ERROR_MESSAGE+strlen(CAL_LAST_ERROR_MESSAGE),"Group : %d\n", error_info.group );
sprintf(CAL_LAST_ERROR_MESSAGE+strlen(CAL_LAST_ERROR_MESSAGE),"Key : %s\n", error_info.key );
sprintf(CAL_LAST_ERROR_MESSAGE+strlen(CAL_LAST_ERROR_MESSAGE),"Message : %s\n", error_info.message );
}
return (rfc);
}
CALD_FUNCTION_MODULE *__cal_fce_new (char *name)
{
CALD_FUNCTION_MODULE *fce;
INIT_ERROR_MESSAGE();
fce = VCALLOC (sizeof(CALD_FUNCTION_MODULE));
strsafecpy (fce->name,name,CALC_FUNCNAME_SZ);
strsafecpy (fce->rfcsaprl,"40B",3); /* set SAP R/3 40B as default version */
fce->par_offset = -1; /* set compatibility with saprfc < 1.1, compute offset position in structure */
fce->unicode = 0;
return (fce);
}
int __cal_fce_interface (CALD_FUNCTION_MODULE *fce, int type, char *name, char *item, char abap, unsigned len, unsigned decimals)
{
CALD_INTERFACE *iface;
INIT_ERROR_MESSAGE();
/* check and exit */
if (!name || !fce) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Null parameter name or fce, __cal_fce_interface()"); return (-1); }
iface = cal_iface_find_or_create (fce,name,type);
/* check and exit */ if (!iface) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iface, __cal_fce_interface()"); return (-1); }
cal_iface_add (iface,item,abap,len,decimals,fce->par_offset);
return (0);
}
CALD_INTERFACE_INFO *__cal_fce_getinterface (CALD_FUNCTION_MODULE *fce, char *name, int type)
{
int size, i,j;
CALD_INTERFACE_INFO *iinfo;
CALD_INTERFACE *iface;
CALD_DEFINITION *p;
INIT_ERROR_MESSAGE();
/* check and exit */ if (!fce) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Null parameter fce, __cal_fce_getinterface()"); return (NULL); }
if (name)
{
iface = cal_iface_find (fce,name,type);
if (!iface) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Interface %s not found, __cal_fce_getinterface()",name); return (NULL); }
size = 1;
}
else
size = cal_iface_count (fce, CALC_UNDEF);
iinfo = VCALLOC(sizeof(CALD_INTERFACE_INFO)*(size+1));
/* check and exit */ if (!iinfo) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iinfo, __cal_fce_getinterface()"); return (NULL); };
for (i=0;i<size;i++)
{
if (!name)
iface = cal_iface_get_index (fce,CALC_UNDEF,i);
iinfo[i].name = iface->name;
iinfo[i].size = cal_def_count (iface->def);
iinfo[i].type = iface->type;
iinfo[i].is_optional = iface->is_optional;
iinfo[i].buflen = iface->buflen;
iinfo[i].typeinfo = VCALLOC(sizeof (CALD_INTERFACE_TYPE_INFO)*iinfo[i].size);
if ( iinfo[i].typeinfo )
{
j=0;
for (p=iface->def;p;p=p->next)
{
iinfo[i].typeinfo[j].name = p->item;
iinfo[i].typeinfo[j].abap = cal_conv_rfc_to_abap (p->type);
iinfo[i].typeinfo[j].length = p->len;
iinfo[i].typeinfo[j].decimals = p->decimals;
iinfo[i].typeinfo[j].offset = 0; /* for cal_def_find() */
cal_def_find (iface->def, p->item, &iinfo[i].typeinfo[j].offset);
j++;
}
}
else
sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iinfo.typeinfo, __cal_fce_getinterface()");
}
return (iinfo);
}
int __cal_set (CALD_FUNCTION_MODULE *fce, int type, char *name, char *item, char *value)
{
CALD_INTERFACE *iface;
CALD_DEFINITION *def;
int offset=0;
INIT_ERROR_MESSAGE();
/* check and exit */ if (!fce || !name) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Null parameter name or fce, __cal_set()"); return (-1); }
iface = cal_iface_find (fce,name,type);
/* check and exit */ if (!iface) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Can't find interface name %s, __cal_set()",name); return (-1); }
def = cal_def_find (iface->def,item, &offset);
/* check and exit */ if (!def) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Can't find structure item %s for interface %s, __cal_set()",item,name); return (-1); }
if ( !iface->buffer )
iface->buffer = VCALLOC(iface->buflen);
/* check and exit */ if (!iface->buffer) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iface->buffer, __cal_set()"); return (-1); }
cal_conv_string_to_rfc (value, iface->buffer+offset, def);
if (type != CALC_TABLE)
iface->is_set = 1;
return (0);
}
char *__cal_get (CALD_FUNCTION_MODULE *fce, int type, char *name, char *item)
{
int offset=0;
CALD_INTERFACE *iface;
CALD_DEFINITION *def;
INIT_ERROR_MESSAGE();
/* check and exit */ if (!fce || !name) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Null parameter name or fce, __cal_get()"); return (NULL); }
iface = cal_iface_find (fce,name,type);
/* check and exit */ if (!iface) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Can't find interface name %s, __cal_get()",name); return (NULL); }
def = cal_def_find (iface->def,item, &offset);
/* check and exit */ if (!def) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Can't find structure item %s for interface %s, __cal_get()",item,name); return (NULL); }
if ( !iface->buffer )
{
iface->buffer = VCALLOC(iface->buflen);
if (iface->buffer) cal_iface_init_buffer (iface);
}
/* check and exit */ if (!iface->buffer) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iface->buffer, __cal_get()"); return (NULL); }
cal_conv_rfc_to_string (iface->buffer+offset, def);
return (def->retbuf);
}
int __cal_table (CALD_FUNCTION_MODULE *fce, int oper, char *name, int index)
{
CALD_INTERFACE *iface;
RFC_RC rfc_rc;
unsigned len;
void *ptr;
INIT_ERROR_MESSAGE();
/* check and exit */ if (!fce || !name) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Null parameter name or fce, __cal_table()"); return (-1); }
iface = cal_iface_find (fce,name,CALC_TABLE);
/* check and exit */ if (!iface) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Can't find interface name %s, __cal_table()",name); return (-1); }
/* if table isn't passed by RfcGetData, ignore all actions */
if ( iface->handle == ITAB_NULL && iface->is_rfcgetdata_table == 1) return (0);
if ( iface->handle == ITAB_NULL )
{
iface->defarray = cal_def_array (iface->def,iface->num);
/* check and exit */ if (!iface->defarray) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iface->defarray, __cal_table()"); return (-1); }
rfc_rc = RfcInstallStructure (iface->name,iface->defarray,iface->num,&iface->typehandle);
/* check and exit */ if (rfc_rc != 0) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: RfcInstallStructure() error #%d, __cal_table()",rfc_rc); return (-1); }
if (!iface->buffer)
{
iface->buffer = VCALLOC(iface->buflen);
if (iface->buffer) cal_iface_init_buffer (iface);
}
/* check and exit */ if (!iface->buffer){ sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for iface->buffer, __cal_table()"); return (-1); }
iface->handle = ItCreate (iface->name,iface->buflen,0,0);
/* check and exit */ if (iface->handle == ITAB_NULL) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: ItCreate() error, __cal_table()"); return (-1); }
}
switch (oper) {
case CALC_READ : len = ItLeng (iface->handle);
ptr = ItGetLine (iface->handle,index);
/* check and exit */ if (!ptr) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: ItGetLine() error, __cal_table()"); return (-1); }
memcpy (iface->buffer,ptr,len);
break;
case CALC_APPEND : len = ItLeng (iface->handle);
ptr = ItAppLine (iface->handle);
/* check and exit */ if (!ptr) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: ItAppLine() error, __cal_table()"); return (-1); }
memcpy (ptr,iface->buffer,len);
iface->is_set = 1;
break;
case CALC_INSERT : len = ItLeng (iface->handle);
ptr = ItInsLine (iface->handle, index);
/* check and exit */ if (!ptr) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: ItInsLine() error, __cal_table()"); return (-1); }
memcpy (ptr,iface->buffer,len);
iface->is_set = 1;
break;
case CALC_MODIFY : if ( ItPutLine (iface->handle,index,iface->buffer) ) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: ItPutLine() error, __cal_table()") ; return (-1); }
iface->is_set = 1;
break;
case CALC_REMOVE : if ( ItDelLine (iface->handle,index) ) { sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: ItDelLine() error, __cal_table()"); return (-1); }
iface->is_set = 1;
break;
case CALC_LENGTH : return ( ItFill (iface->handle) );
case CALC_INIT : ItFree (iface->handle);
iface->is_set = 0;
break;
}
return (0);
}
int __call_with_timeout(long timeout, RFC_HANDLE handle, rfc_char_t *function, RFC_PARAMETER *exporting, RFC_PARAMETER *importing, RFC_TABLE *tables, rfc_char_t **exception)
{
int rfc_rc = RfcCall(handle, function, exporting, tables);
long ms = 0;
struct timeval time;
unsigned long long until;
unsigned long long now;
if (rfc_rc == RFC_OK){
if (timeout >= 0){
gettimeofday(&time, NULL);
until = timeout + ((unsigned long long)time.tv_sec * 1000000) + time.tv_usec;
do
{
rfc_rc = RfcListen( handle );
if( rfc_rc == RFC_RETRY )
{
usleep(100);
gettimeofday(&time, NULL);
now = ((unsigned long long)time.tv_sec * 1000000) + time.tv_usec;
}
} while ( (now < until) && (rfc_rc == RFC_RETRY) );
if( rfc_rc == RFC_RETRY ){
rfc_rc = RfcCancel(handle, RFC_CANCEL_CLOSE);
return PHP_RFC_TIMEOUT_EXPIRED;
}
}
if (rfc_rc == RFC_OK)
rfc_rc = RfcReceive(handle, importing, tables, exception);
}else{
exception = NULL;
}
return rfc_rc;
}
int __cal_fce_call (CALD_FUNCTION_MODULE *fce, RFC_HANDLE rfc, long timeout)
{
RFC_PARAMETER *Importing;
RFC_PARAMETER *Exporting;
RFC_TABLE *Tables;
RFC_RC rfc_rc;
CALD_INTERFACE *iface;
int i,j;
int ret;
int import_max, export_max, table_max;
int count;
INIT_ERROR_MESSAGE();
/* check and exit */ if (!fce) { sprintf(CAL_LAST_ERROR_MESSAGE, "CALDBG: Null parameter fce, __cal_fce_call()"); return (-1); }
ret = RFC_OK;
import_max = cal_iface_count (fce,CALC_IMPORT);
Importing = VCALLOC((import_max+1)*sizeof(RFC_PARAMETER));
if (Importing)
{
i=0;
for (j=0;j<import_max;j++)
{
iface = cal_iface_get_index (fce,CALC_IMPORT,j);
if (iface->is_set == 0 && iface->is_optional == 1) continue;
count = cal_def_count (iface->def);
if (count == 1)
{
Importing[i].name = iface->name;
Importing[i].nlen = strlen (Importing[i].name);
Importing[i].type = iface->def->type;
Importing[i].leng = iface->buflen;
Importing[i].addr = iface->buffer;
}
else
{
if (!iface->defarray)
iface->defarray = cal_def_array (iface->def,iface->num);
rfc_rc = RfcInstallStructure (iface->name,iface->defarray,iface->num,&iface->typehandle);
if (rfc_rc)
{ sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: RfcInstallStructure() error #%d for %s, __cal_fce_call()",rfc_rc,iface->name); ret = -1; }
Importing[i].name = iface->name;
Importing[i].nlen = strlen (Importing[i].name);
Importing[i].type = iface->typehandle;
Importing[i].leng = iface->buflen;
Importing[i].addr = iface->buffer;
}
i++;
}
}
else
{
sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for Importing, __cal_fce_call()");
ret = -1;
}
export_max = cal_iface_count (fce,CALC_EXPORT);
Exporting = VCALLOC((export_max+1)*sizeof(RFC_PARAMETER));
if (Exporting)
{
for (i=0;i<export_max;i++)
{
iface = cal_iface_get_index (fce,CALC_EXPORT,i);
count = cal_def_count (iface->def);
if (count == 1)
{
Exporting[i].name = iface->name;
Exporting[i].nlen = strlen (Exporting[i].name);
Exporting[i].type = iface->def->type;
Exporting[i].leng = iface->buflen;
Exporting[i].addr = iface->buffer;
}
else
{
if (!iface->defarray)
iface->defarray = cal_def_array (iface->def,iface->num);
rfc_rc = RfcInstallStructure (iface->name,iface->defarray,iface->num,&iface->typehandle);
if (rfc_rc)
{ sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: RfcInstallStructure() error #%d for %s, __cal_fce_call()",rfc_rc,iface->name); ret = -1; }
Exporting[i].name = iface->name;
Exporting[i].nlen = strlen (Exporting[i].name);
Exporting[i].type = iface->typehandle;
Exporting[i].leng = iface->buflen;
Exporting[i].addr = iface->buffer;
}
}
}
else
{
sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for Exporting, __cal_fce_call()");
ret = -1;
}
table_max = cal_iface_count (fce,CALC_TABLE);
Tables = VCALLOC((table_max+1)*sizeof(RFC_TABLE));
if (Tables)
{
for (i=0;i<table_max; i++)
{
iface = cal_iface_get_index (fce,CALC_TABLE,i);
Tables[i].name = iface->name;
Tables[i].nlen = strlen (Tables[i].name);
Tables[i].type = iface->typehandle;
Tables[i].ithandle = iface->handle;
Tables[i].itmode = RFC_ITMODE_BYREFERENCE;
}
}
else
{
sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for Tables, __cal_fce_call()");
ret = -1;
}
if (ret == RFC_OK)
{
rfc_rc = __call_with_timeout(timeout, rfc, fce->name, Importing, Exporting, Tables, &fce->exception);
if (rfc_rc != RFC_OK)
{
sprintf(CAL_LAST_ERROR_MESSAGE,"%s",CAL_RFC_LAST_ERROR());
}
else
fce->exception=NULL;
ret = rfc_rc;
}
if (Importing) VFREE(Importing);
if (Exporting) VFREE(Exporting);
if (Tables) VFREE(Tables);
return (ret);
}
int __cal_fce_indirect_call (CALD_FUNCTION_MODULE *fce, RFC_HANDLE rfc, char *tid)
{
RFC_PARAMETER *Importing;
RFC_TABLE *Tables;
RFC_RC rfc_rc;
CALD_INTERFACE *iface;
int i;
int ret;
int import_max, table_max;
int count;
INIT_ERROR_MESSAGE();
/* check and exit */ if (!fce) { sprintf(CAL_LAST_ERROR_MESSAGE, "CALDBG: Null parameter fce, __cal_fce_call()"); return (-1); }
ret = RFC_OK;
import_max = cal_iface_count (fce,CALC_IMPORT);
Importing = VCALLOC((import_max+1)*sizeof(RFC_PARAMETER));
if (Importing)
{
for (i=0;i<import_max;i++)
{
iface = cal_iface_get_index (fce,CALC_IMPORT,i);
if (iface->is_set == 0 && iface->is_optional == 1) continue;
count = cal_def_count (iface->def);
if (count == 1)
{
Importing[i].name = iface->name;
Importing[i].nlen = strlen (Importing[i].name);
Importing[i].type = iface->def->type;
Importing[i].leng = iface->buflen;
Importing[i].addr = iface->buffer;
}
else
{
if (!iface->defarray)
iface->defarray = cal_def_array (iface->def,iface->num);
rfc_rc = RfcInstallStructure (iface->name,iface->defarray,iface->num,&iface->typehandle);
if (rfc_rc)
{ sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: RfcInstallStructure() error #%d for %s, __cal_fce_call()",rfc_rc,iface->name); ret = -1; }
Importing[i].name = iface->name;
Importing[i].nlen = strlen (Importing[i].name);
Importing[i].type = iface->typehandle;
Importing[i].leng = iface->buflen;
Importing[i].addr = iface->buffer;
}
}
}
else
{
sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for Importing, __cal_fce_call()");
ret = -1;
}
table_max = cal_iface_count (fce,CALC_TABLE);
Tables = VCALLOC((table_max+1)*sizeof(RFC_TABLE));
if (Tables)
{
for (i=0;i<table_max; i++)
{
iface = cal_iface_get_index (fce,CALC_TABLE,i);
Tables[i].name = iface->name;
Tables[i].nlen = strlen (Tables[i].name);
Tables[i].type = iface->typehandle;
Tables[i].ithandle = iface->handle;
Tables[i].itmode = RFC_ITMODE_BYREFERENCE;
}
}
else
{
sprintf(CAL_LAST_ERROR_MESSAGE,"CALDBG: Memory allocation error for Tables, __cal_fce_call()");
ret = -1;
}
if (ret == RFC_OK)
{
rfc_rc = RfcIndirectCallEx (rfc, fce->name, Importing, Tables, tid );
if (rfc_rc == RFC_OK)
rfc_rc = RfcConfirmTransID (rfc,tid);
else
sprintf(CAL_LAST_ERROR_MESSAGE,"%s",CAL_RFC_LAST_ERROR());
ret = rfc_rc;
}
if (Importing) VFREE(Importing);
if (Tables) VFREE(Tables);
return (ret);
}
void __cal_del_fce (CALD_FUNCTION_MODULE *fce)
{
CALD_INTERFACE *p,*q;
CALD_DEFINITION *p1, *q1;
if (!fce) return;
p = fce->iface;
while (p)
{
q = p->next;
p1 = p->def;
while (p1)
{
q1 = p1->next;
if (p1->retbuf) VFREE(p1->retbuf);
VFREE(p1);
p1 = q1;
}
if (p->defarray) VFREE(p->defarray);
if (p->buffer) VFREE(p->buffer);
if (p->handle != ITAB_NULL) ItDelete (p->handle);
VFREE(p);
p=q;
}
VFREE(fce);
}
void __cal_del_interface (CALD_INTERFACE_INFO *iinfo)
{
CALD_INTERFACE_INFO *p;
p = iinfo;
while (p->name)
{
if (p->typeinfo) VFREE(p->typeinfo);
p++;
}
if (iinfo) VFREE(iinfo);
}
void __cal_fce_discover_system_info (CALD_FUNCTION_MODULE *fce, RFC_HANDLE rfc)
{