source: trunk/zoo-kernel/service_internal.c @ 73

/**
 * Author : Gérald FENOY
 *
 * Copyright (c) 2009-2011 GeoLabs SARL
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "service_internal.h"

void *addLangAttr(xmlNodePtr n,maps *m){
  map *tmpLmap=getMapFromMaps(m,"main","language");
  if(tmpLmap!=NULL)
    xmlNewProp(n,BAD_CAST "xml:lang",BAD_CAST tmpLmap->value);
  else
    xmlNewProp(n,BAD_CAST "xml:lang",BAD_CAST "en-US");
}

/* Converts a hex character to its integer value */
char from_hex(char ch) {
  return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
}

/* Converts an integer value to its hex character*/
char to_hex(char code) {
  static char hex[] = "0123456789abcdef";
  return hex[code & 15];
}

void* unhandleStatus(maps *conf){
  int shmid,i;
  key_t key;
  void *shm;
  struct shmid_ds shmids;
  char *s,*s1;
  map *tmpMap=getMapFromMaps(conf,"lenv","sid");
  if(tmpMap!=NULL){
    key=atoi(tmpMap->value);
    if ((shmid = shmget(key, SHMSZ, IPC_CREAT | 0666)) < 0) {
#ifdef DEBUG
      fprintf(stderr,"shmget failed to update value\n");
#endif
    }else{
      if ((shm = shmat(shmid, NULL, 0)) == (char *) -1) {
#ifdef DEBUG
        fprintf(stderr,"shmat failed to update value\n");
#endif
      }else{
        shmdt(shm);
        shmctl(shmid,IPC_RMID,&shmids);
      }
    }
  }
}

#ifdef USE_JS

JSBool
JSUpdateStatus(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
  JS_MaybeGC(cx);
  char *sid;
  int istatus=0;
  char *status=NULL;
  maps *conf;
  int i=0;
  if(argc>2){
#ifdef JS_DEBUG
    fprintf(stderr,"Number of arguments used to call the function : %i",argc);
#endif
    return JS_FALSE;
  }
  conf=mapsFromJSObject(cx,argv[0]);
  if(JS_ValueToInt32(cx,argv[1],&istatus)==JS_TRUE){
    char tmpStatus[4];
    sprintf(tmpStatus,"%i",istatus);
    tmpStatus[3]=0;
    status=strdup(tmpStatus);
  }
  if(getMapFromMaps(conf,"lenv","status")!=NULL){
    if(status!=NULL)
      setMapInMaps(conf,"lenv","status",status);
    else
      setMapInMaps(conf,"lenv","status","15");
    updateStatus(conf);
  }
  freeMaps(&conf);
  free(conf);
  JS_MaybeGC(cx);
  return JS_TRUE;
}

#endif

void* updateStatus(maps *conf){
  int shmid,i;
  key_t key;
  char *shm,*s,*s1;
  map *tmpMap=NULL;
  tmpMap=getMapFromMaps(conf,"lenv","sid");
  if(tmpMap!=NULL){
    key=atoi(tmpMap->value);
    if ((shmid = shmget(key, SHMSZ, IPC_CREAT | 0666)) < 0) {
#ifdef DEBUG
      fprintf(stderr,"shmget failed to update value\n");
#endif
    }else{
      if ((shm = (char*) shmat(shmid, NULL, 0)) == (char *) -1) {
#ifdef DEBUG
        fprintf(stderr,"shmat failed to update value\n");
#endif
      }
      else{
        tmpMap=getMapFromMaps(conf,"lenv","status");
        s1=shm;
        for(s=tmpMap->value;*s!=NULL;s++)
          *s1++=*s;
        shmdt((void *)shm);
      }
    }
  }
}

char* getStatus(int pid){
  int shmid,i;
  key_t key;
  void *shm;
  char *s;
  key=pid;
  if ((shmid = shmget(key, SHMSZ, 0666)) < 0) {
#ifdef DEBUG
    fprintf(stderr,"shmget failed in getStatus\n");
#endif
  }else{
    if ((shm = shmat(shmid, NULL, 0)) == (char *) -1) {
#ifdef DEBUG
      fprintf(stderr,"shmat failed in getStatus\n");
#endif
    }else{
      return (char*)shm;
    }
  }
  return "-1";
}


/* Returns a url-encoded version of str */
/* IMPORTANT: be sure to free() the returned string after use */
char *url_encode(char *str) {
  char *pstr = str, *buf = (char*) malloc(strlen(str) * 3 + 1), *pbuf = buf;
  while (*pstr) {
    if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') 
      *pbuf++ = *pstr;
    else if (*pstr == ' ') 
      *pbuf++ = '+';
    else 
      *pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(*pstr & 15);
    pstr++;
  }
  *pbuf = '\0';
  return buf;
}

/* Returns a url-decoded version of str */
/* IMPORTANT: be sure to free() the returned string after use */
char *url_decode(char *str) {
  char *pstr = str, *buf = (char*) malloc(strlen(str) + 1), *pbuf = buf;
  while (*pstr) {
    if (*pstr == '%') {
      if (pstr[1] && pstr[2]) {
        *pbuf++ = from_hex(pstr[1]) << 4 | from_hex(pstr[2]);
        pstr += 2;
      }
    } else if (*pstr == '+') { 
      *pbuf++ = ' ';
    } else {
      *pbuf++ = *pstr;
    }
    pstr++;
  }
  *pbuf = '\0';
  return buf;
}

char *zCapitalize1(char *tmp){
        char *res=strdup(tmp);
        if(res[0]>=97 && res[0]<=122)
                res[0]-=32;
        return res;
}

char *zCapitalize(char *tmp){
  int i=0;
  char *res=strdup(tmp);
  for(i=0;i<strlen(res);i++)
    if(res[i]>=97 && res[i]<=122)
      res[i]-=32;
  return res;
}


int zooXmlSearchForNs(char* name){
  int i;
  int res=-1;
  for(i=0;i<nbNs;i++)
    if(strncasecmp(name,nsName[i],strlen(nsName[i]))==0){
      res=i;
      break;
    }
  return res;
}

int zooXmlAddNs(xmlNodePtr nr,char* url,char* name){
#ifdef DEBUG
  fprintf(stderr,"zooXmlAddNs %d \n",nbNs);
#endif
  int currId=-1;
  if(nbNs==0){
    nbNs++;
    currId=0;
    nsName[currId]=strdup(name);
    usedNs[currId]=xmlNewNs(nr,BAD_CAST url,BAD_CAST name);
  }else{
    currId=zooXmlSearchForNs(name);
    if(currId<0){
      nbNs++;
      currId=nbNs-1;
      nsName[currId]=strdup(name);
      usedNs[currId]=xmlNewNs(nr,BAD_CAST url,BAD_CAST name);
    }
  }
  return currId;
}

void zooXmlCleanupNs(){
  int j;
#ifdef DEBUG
  fprintf(stderr,"zooXmlCleanup %d\n",nbNs);
#endif
  for(j=nbNs-1;j>=0;j--){
#ifdef DEBUG
    fprintf(stderr,"zooXmlCleanup %d\n",j);
#endif
    if(j==0)
      xmlFreeNs(usedNs[j]);
    free(nsName[j]);
    nbNs--;
  }
  nbNs=0;
}

xmlNodePtr printGetCapabilitiesHeader(xmlDocPtr doc,char* service,maps* m){

  xmlNsPtr ns,ns_ows,ns_xlink,ns_xsi;
  xmlNodePtr n,nc,nc1,nc2,nc3,nc4,nc5,nc6,pseudor;
  xmlChar *xmlbuff;
  int buffersize;
  /**
   * Create the document and its temporary root.
   */
  int wpsId=zooXmlAddNs(NULL,"http://www.opengis.net/wps/1.0.0","wps");
  ns=usedNs[wpsId];
  maps* toto1=getMaps(m,"main");

  n = xmlNewNode(ns, BAD_CAST "Capabilities");
  int owsId=zooXmlAddNs(n,"http://www.opengis.net/ows/1.1","ows");
  ns_ows=usedNs[owsId];
  xmlNewNs(n,BAD_CAST "http://www.opengis.net/wps/1.0.0",BAD_CAST "wps");
  int xsiId=zooXmlAddNs(n,"http://www.w3.org/2001/XMLSchema-instance","xsi");
  ns_xsi=usedNs[xsiId];
  int xlinkId=zooXmlAddNs(n,"http://www.w3.org/1999/xlink","xlink");
  ns_xlink=usedNs[xlinkId];
  xmlNewNsProp(n,ns_xsi,BAD_CAST "schemaLocation",BAD_CAST "http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsGetCapabilities_response.xsd"); 
  xmlNewProp(n,BAD_CAST "service",BAD_CAST "WPS");
  addLangAttr(n,m);
  
  if(toto1!=NULL){
    map* tmp=getMap(toto1->content,"version");
    if(tmp!=NULL){
      xmlNewProp(n,BAD_CAST "version",BAD_CAST tmp->value);
    }
    else
      xmlNewProp(n,BAD_CAST "version",BAD_CAST "1.0.0");
  }
  else
    xmlNewProp(n,BAD_CAST "version",BAD_CAST "1.0.0");

  char tmp[256];
  
  nc = xmlNewNode(ns_ows, BAD_CAST "ServiceIdentification");
  maps* tmp4=getMaps(m,"identification");
  if(tmp4!=NULL){
    map* tmp2=tmp4->content;
    char *orderedFields[5];
    orderedFields[0]="Title";
    orderedFields[1]="Abstract";
    orderedFields[2]="Keywords";
    orderedFields[3]="Fees";
    orderedFields[4]="AccessConstraints";
    int oI=0;
    for(oI=0;oI<5;oI++)
      if((tmp2=getMap(tmp4->content,orderedFields[oI]))!=NULL){
        if(strcasecmp(tmp2->name,"abstract")==0 ||
           strcasecmp(tmp2->name,"title")==0 ||
           strcasecmp(tmp2->name,"accessConstraints")==0 ||
           strcasecmp(tmp2->name,"fees")==0){
          tmp2->name[0]=toupper(tmp2->name[0]);
          nc1 = xmlNewNode(ns_ows, BAD_CAST tmp2->name);
          xmlAddChild(nc1,xmlNewText(BAD_CAST tmp2->value));
          xmlAddChild(nc,nc1);
        }
        else
          if(strcmp(tmp2->name,"keywords")==0){
            nc1 = xmlNewNode(ns_ows, BAD_CAST "Keywords");
            char *toto=tmp2->value;
            char buff[256];
            int i=0;
            int j=0;
            while(toto[i]){
              if(toto[i]!=',' && toto[i]!=0){
                buff[j]=toto[i];
                buff[j+1]=0;
                j++;
              }
              else{
                nc2 = xmlNewNode(ns_ows, BAD_CAST "Keyword");
                xmlAddChild(nc2,xmlNewText(BAD_CAST buff));           
                xmlAddChild(nc1,nc2);
                j=0;
              }
              i++;
            }
            if(strlen(buff)>0){
              nc2 = xmlNewNode(ns_ows, BAD_CAST "Keyword");
              xmlAddChild(nc2,xmlNewText(BAD_CAST buff));             
              xmlAddChild(nc1,nc2);
            }
            xmlAddChild(nc,nc1);
            nc2 = xmlNewNode(ns_ows, BAD_CAST "ServiceType");
            xmlAddChild(nc2,xmlNewText(BAD_CAST "WPS"));
            xmlAddChild(nc,nc2);
            nc2 = xmlNewNode(ns_ows, BAD_CAST "ServiceTypeVersion");
            xmlAddChild(nc2,xmlNewText(BAD_CAST "1.0.0"));
            xmlAddChild(nc,nc2);          
          }
        tmp2=tmp2->next;
      }
  }
  else{
    fprintf(stderr,"TMP4 NOT FOUND !!");
    return NULL;
  }
  xmlAddChild(n,nc);

  nc = xmlNewNode(ns_ows, BAD_CAST "ServiceProvider");
  nc3 = xmlNewNode(ns_ows, BAD_CAST "ServiceContact");
  nc4 = xmlNewNode(ns_ows, BAD_CAST "ContactInfo");
  nc5 = xmlNewNode(ns_ows, BAD_CAST "Phone");
  nc6 = xmlNewNode(ns_ows, BAD_CAST "Address");
  tmp4=getMaps(m,"provider");
  if(tmp4!=NULL){
    map* tmp2=tmp4->content;
    char *tmpAddress[6];
    tmpAddress[0]="addressDeliveryPoint";
    tmpAddress[1]="addressCity";
    tmpAddress[2]="addressAdministrativeArea";
    tmpAddress[3]="addressPostalCode";
    tmpAddress[4]="addressCountry";
    tmpAddress[5]="addressElectronicMailAddress";
    char *tmpPhone[2];
    tmpPhone[0]="phoneVoice";
    tmpPhone[1]="phoneFacsimile";
    char *orderedFields[12];
    orderedFields[0]="providerName";
    orderedFields[1]="providerSite";
    orderedFields[2]="individualName";
    orderedFields[3]="positionName";
    orderedFields[4]=tmpPhone[0];
    orderedFields[5]=tmpPhone[1];
    orderedFields[6]=tmpAddress[0];
    orderedFields[7]=tmpAddress[1];
    orderedFields[8]=tmpAddress[2];
    orderedFields[9]=tmpAddress[3];
    orderedFields[10]=tmpAddress[4];
    orderedFields[11]=tmpAddress[5];
    int oI=0;
    for(oI=0;oI<12;oI++)
      if((tmp2=getMap(tmp4->content,orderedFields[oI]))!=NULL){
        if(strcmp(tmp2->name,"keywords")!=0 &&
           strcmp(tmp2->name,"serverAddress")!=0 &&
           strcmp(tmp2->name,"lang")!=0){
          tmp2->name[0]=toupper(tmp2->name[0]);
          if(strcmp(tmp2->name,"ProviderName")==0){
            nc1 = xmlNewNode(ns_ows, BAD_CAST tmp2->name);
            xmlAddChild(nc1,xmlNewText(BAD_CAST tmp2->value));
            xmlAddChild(nc,nc1);
          }
          else{
            if(strcmp(tmp2->name,"ProviderSite")==0){
              nc1 = xmlNewNode(ns_ows, BAD_CAST tmp2->name);
              xmlNewNsProp(nc1,ns_xlink,BAD_CAST "href",BAD_CAST tmp2->value);
              xmlAddChild(nc,nc1);
            } 
            else  
              if(strcmp(tmp2->name,"IndividualName")==0 || 
                 strcmp(tmp2->name,"PositionName")==0){
                nc1 = xmlNewNode(ns_ows, BAD_CAST tmp2->name);
                xmlAddChild(nc1,xmlNewText(BAD_CAST tmp2->value));
                xmlAddChild(nc3,nc1);
              } 
              else 
                if(strncmp(tmp2->name,"Phone",5)==0){
                  int j;
                  for(j=0;j<2;j++)
                    if(strcasecmp(tmp2->name,tmpPhone[j])==0){
                      char *toto=NULL;
                      char *toto1=tmp2->name;
                      toto=strstr(toto1,"Phone");
                      nc1 = xmlNewNode(ns_ows, BAD_CAST toto1+5);
                      xmlAddChild(nc1,xmlNewText(BAD_CAST tmp2->value));
                      xmlAddChild(nc5,nc1);
                    }
                }
                else 
                  if(strncmp(tmp2->name,"Address",7)==0){
                    int j;
                    for(j=0;j<6;j++)
                      if(strcasecmp(tmp2->name,tmpAddress[j])==0){
                        char *toto=NULL;
                        char *toto1=tmp2->name;
                        toto=strstr(toto1,"Address");
                        nc1 = xmlNewNode(ns_ows, BAD_CAST toto1+7);
                        xmlAddChild(nc1,xmlNewText(BAD_CAST tmp2->value));
                        xmlAddChild(nc6,nc1);
                      }
                  }
          }
        }
        else
          if(strcmp(tmp2->name,"keywords")==0){
            nc1 = xmlNewNode(ns_ows, BAD_CAST "Keywords");
            char *toto=tmp2->value;
            char buff[256];
            int i=0;
            int j=0;
            while(toto[i]){
              if(toto[i]!=',' && toto[i]!=0){
                buff[j]=toto[i];
                buff[j+1]=0;
                j++;
              }
              else{
                nc2 = xmlNewNode(ns_ows, BAD_CAST "Keyword");
                xmlAddChild(nc2,xmlNewText(BAD_CAST buff));           
                xmlAddChild(nc1,nc2);
                j=0;
              }
              i++;
            }
            if(strlen(buff)>0){
              nc2 = xmlNewNode(ns_ows, BAD_CAST "Keyword");
              xmlAddChild(nc2,xmlNewText(BAD_CAST buff));             
              xmlAddChild(nc1,nc2);
            }
            xmlAddChild(nc,nc1);
          }
        tmp2=tmp2->next;
      }
  }
  else{
    fprintf(stderr,"TMP4 NOT FOUND !!");
  }
  xmlAddChild(nc4,nc5);
  xmlAddChild(nc4,nc6);
  xmlAddChild(nc3,nc4);
  xmlAddChild(nc,nc3);
  xmlAddChild(n,nc);


  nc = xmlNewNode(ns_ows, BAD_CAST "OperationsMetadata");
  char *tmp2[3];
  tmp2[0]=strdup("GetCapabilities");
  tmp2[1]=strdup("DescribeProcess");
  tmp2[2]=strdup("Execute");
  int j=0;

  if(toto1!=NULL){
    map* tmp=getMap(toto1->content,"serverAddress");
    if(tmp!=NULL){
      SERVICE_URL = strdup(tmp->value);
    }
    else
      SERVICE_URL = strdup("not_found");
  }
  else
    SERVICE_URL = strdup("not_found");

  for(j=0;j<3;j++){
    nc1 = xmlNewNode(ns_ows, BAD_CAST "Operation");
    xmlNewProp(nc1,BAD_CAST "name",BAD_CAST tmp2[j]);
    nc2 = xmlNewNode(ns_ows, BAD_CAST "DCP");
    nc3 = xmlNewNode(ns_ows, BAD_CAST "HTTP");
    nc4 = xmlNewNode(ns_ows, BAD_CAST "Get");
    sprintf(tmp,"%s/%s",SERVICE_URL,service);
    xmlNewNsProp(nc4,ns_xlink,BAD_CAST "href",BAD_CAST tmp);
    xmlAddChild(nc3,nc4);
    if(j>0){
      nc4 = xmlNewNode(ns_ows, BAD_CAST "Post");
      xmlNewNsProp(nc4,ns_xlink,BAD_CAST "href",BAD_CAST tmp);
      xmlAddChild(nc3,nc4);
    }
    xmlAddChild(nc2,nc3);
    xmlAddChild(nc1,nc2);    
    xmlAddChild(nc,nc1);    
  }
  for(j=2;j>=0;j--)
    free(tmp2[j]);
  xmlAddChild(n,nc);

  nc = xmlNewNode(ns, BAD_CAST "ProcessOfferings");
  xmlAddChild(n,nc);

  nc1 = xmlNewNode(ns, BAD_CAST "Languages");
  nc2 = xmlNewNode(ns, BAD_CAST "Default");
  nc3 = xmlNewNode(ns, BAD_CAST "Supported");
  
  toto1=getMaps(m,"main");
  if(toto1!=NULL){
    map* tmp1=getMap(toto1->content,"lang");
    char *toto=tmp1->value;
    char buff[256];
    int i=0;
    int j=0;
    int dcount=0;
    while(toto[i]){
      if(toto[i]!=',' && toto[i]!=0){
        buff[j]=toto[i];
        buff[j+1]=0;
        j++;
      }
      else{
        nc4 = xmlNewNode(ns_ows, BAD_CAST "Language");
        xmlAddChild(nc4,xmlNewText(BAD_CAST buff));
        if(dcount==0){
          xmlAddChild(nc2,nc4);
          xmlAddChild(nc1,nc2);
          dcount++;
        }
        nc4 = xmlNewNode(ns_ows, BAD_CAST "Language");
        xmlAddChild(nc4,xmlNewText(BAD_CAST buff));
        xmlAddChild(nc3,nc4);
        j=0;
        buff[j]=0;
      }
      i++;
    }
    if(strlen(buff)>0){
      nc4 = xmlNewNode(ns_ows, BAD_CAST "Language");
      xmlAddChild(nc4,xmlNewText(BAD_CAST buff));             
      xmlAddChild(nc3,nc4);
    }
  }
  xmlAddChild(nc1,nc3);
  xmlAddChild(n,nc1);
  
  xmlDocSetRootElement(doc, n);
  //xmlFreeNs(ns);
  free(SERVICE_URL);
  return nc;
}

void printGetCapabilitiesForProcess(maps* m,xmlNodePtr nc,service* serv){
  xmlNsPtr ns,ns_ows,ns_xlink;
  xmlNodePtr nr,n,nc1,nc2,nc3,nc4,nc5,nc6,pseudor;
  /**
   * Initialize or get existing namspaces
   */
  int wpsId=zooXmlAddNs(NULL,"http://www.opengis.net/wps/1.0.0","wps");
  ns=usedNs[wpsId];
  int owsId=zooXmlAddNs(NULL,"http://www.opengis.net/ows/1.1","ows");
  ns_ows=usedNs[owsId];
  int xlinkId=zooXmlAddNs(n,"http://www.w3.org/1999/xlink","xlink");
  ns_xlink=usedNs[xlinkId];

  int cursor=0;
  map* tmp1;
  if(serv->content!=NULL){
    nc1 = xmlNewNode(ns, BAD_CAST "Process");
    tmp1=getMap(serv->content,"processVersion");
    if(tmp1!=NULL)
      xmlNewNsProp(nc1,ns,BAD_CAST "processVersion",BAD_CAST tmp1->value);
    printDescription(nc1,ns_ows,serv->name,serv->content);
    tmp1=serv->metadata;
    while(tmp1!=NULL){
      nc2 = xmlNewNode(ns_ows, BAD_CAST "Metadata");
      xmlNewNsProp(nc2,ns_xlink,BAD_CAST tmp1->name,BAD_CAST tmp1->value);
      xmlAddChild(nc1,nc2);
      tmp1=tmp1->next;
    }
    xmlAddChild(nc,nc1);
  }
}

xmlNodePtr printDescribeProcessHeader(xmlDocPtr doc,char* service,maps* m){

  xmlNsPtr ns,ns_ows,ns_xlink,ns_xsi;
  xmlNodePtr n,nr;
  xmlChar *xmlbuff;
  int buffersize;

  int wpsId=zooXmlAddNs(NULL,"http://schemas.opengis.net/wps/1.0.0","wps");
  ns=usedNs[wpsId];
  n = xmlNewNode(ns, BAD_CAST "ProcessDescriptions");
  int owsId=zooXmlAddNs(n,"http://www.opengis.net/ows/1.1","ows");
  ns_ows=usedNs[owsId];
  xmlNewNs(n,BAD_CAST "http://www.opengis.net/wps/1.0.0",BAD_CAST "wps");
  zooXmlAddNs(n,"http://www.w3.org/1999/xlink","xlink");
  int xsiId=zooXmlAddNs(n,"http://www.w3.org/2001/XMLSchema-instance","xsi");
  ns_xsi=usedNs[xsiId];
  
  xmlNewNsProp(n,ns_xsi,BAD_CAST "schemaLocation",BAD_CAST "http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsDescribeProcess_response.xsd");
  xmlNewProp(n,BAD_CAST "service",BAD_CAST "WPS");
  xmlNewProp(n,BAD_CAST "version",BAD_CAST "1.0.0");
  addLangAttr(n,m);

  xmlDocSetRootElement(doc, n);

  return n;
}

void printDescribeProcessForProcess(maps* m,xmlNodePtr nc,service* serv,int sc){
  xmlNsPtr ns,ns_ows,ns_xlink,ns_xsi;
  xmlNodePtr nr,n,nc1,nc2,nc3,nc4,nc5,nc6,pseudor;

  char tmp[256];
  n=nc;
  
  int wpsId=zooXmlAddNs(NULL,"http://schemas.opengis.net/wps/1.0.0","wps");
  ns=usedNs[wpsId];
  int owsId=zooXmlAddNs(NULL,"http://www.opengis.net/ows/1.1","ows");
  ns_ows=usedNs[owsId];
  int xlinkId=zooXmlAddNs(NULL,"http://www.w3.org/1999/xlink","xlink");
  ns_xlink=usedNs[xlinkId];

  nc = xmlNewNode(NULL, BAD_CAST "ProcessDescription");
  char *tmp4[3];
  tmp4[0]="processVersion";
  tmp4[1]="storeSupported";
  tmp4[2]="statusSupported";
  int j=0;
  map* tmp1=NULL;
  for(j=0;j<3;j++){
    tmp1=getMap(serv->content,tmp4[j]);
    if(tmp1!=NULL){
      if(j==0)
        xmlNewNsProp(nc,ns,BAD_CAST "processVersion",BAD_CAST tmp1->value);      
      else
        xmlNewProp(nc,BAD_CAST tmp4[j],BAD_CAST tmp1->value);      
    }
    else{
      if(j>0)
        xmlNewProp(nc,BAD_CAST tmp4[j],BAD_CAST "false");      
    }
  }
  
  printDescription(nc,ns_ows,serv->name,serv->content);

  tmp1=serv->metadata;
  while(tmp1!=NULL){
    nc1 = xmlNewNode(ns_ows, BAD_CAST "Metadata");
    xmlNewNsProp(nc1,ns_xlink,BAD_CAST tmp1->name,BAD_CAST tmp1->value);
    xmlAddChild(nc,nc1);
    tmp1=tmp1->next;
  }

  tmp1=getMap(serv->content,"Profile");
  if(tmp1!=NULL){
    nc1 = xmlNewNode(ns, BAD_CAST "Profile");
    xmlAddChild(nc1,xmlNewText(BAD_CAST tmp1->value));
    xmlAddChild(nc,nc1);
  }

  nc1 = xmlNewNode(NULL, BAD_CAST "DataInputs");
  
  elements* e=serv->inputs;
  while(e!=NULL){
    nc2 = xmlNewNode(NULL, BAD_CAST "Input");
    tmp1=getMap(e->content,"minOccurs");
    if(tmp1){
      xmlNewProp(nc2,BAD_CAST tmp1->name,BAD_CAST tmp1->value);
    }
    tmp1=getMap(e->content,"maxOccurs");
    if(tmp1){
      xmlNewProp(nc2,BAD_CAST tmp1->name,BAD_CAST tmp1->value);
    }

    printDescription(nc2,ns_ows,e->name,e->content);


    nc3 = xmlNewNode(NULL, BAD_CAST e->format);
    iotype* _tmp=e->defaults;
    int datatype=0;
    if(_tmp!=NULL){
      int isAnyValue=1;
      if(strcmp(e->format,"LiteralData")!=0){
        nc4 = xmlNewNode(NULL, BAD_CAST "Default");
        nc5 = xmlNewNode(NULL, BAD_CAST "Format");
      }
      else{
        nc4 = xmlNewNode(NULL, BAD_CAST "UOMs");
        nc5 = xmlNewNode(NULL, BAD_CAST "Default");
        datatype=1;
      }
      tmp1=_tmp->content;
      int default1=0;
      xmlNodePtr nc7;
      char *orderedFields[5];
      orderedFields[0]="mimeType";
      orderedFields[1]="encoding";
      orderedFields[2]="schema";
      orderedFields[3]="dataType";
      orderedFields[4]="uom";
      int oI=0;
      for(oI=0;oI<5;oI++)
        if((tmp1=getMap(_tmp->content,orderedFields[oI]))!=NULL){
#ifdef DEBUG
          printf("DATATYPE DEFAULT ? %s\n",tmp1->name);
#endif
          if(strncasecmp(tmp1->name,"DataType",8)==0){
            nc6 = xmlNewNode(ns_ows, BAD_CAST "DataType");
            xmlAddChild(nc6,xmlNewText(BAD_CAST tmp1->value));
            char tmp[1024];
            sprintf(tmp,"http://www.w3.org/TR/xmlschema-2/#%s",tmp1->value);
            xmlNewNsProp(nc6,ns_ows,BAD_CAST "reference",BAD_CAST tmp);
            xmlAddChild(nc3,nc6);
            tmp1=tmp1->next;
            continue;
          }
          if(strcasecmp(tmp1->name,"asReference")!=0 && 
             strcasecmp(tmp1->name,"DataType")!=0 && 
             strncasecmp(tmp1->name,"AllowedValues",13)!=0 &&
             strcasecmp(tmp1->name,"value")!=0 &&
             strcasecmp(tmp1->name,"extension")!=0){
            if(datatype==0){
              char *tmp2=zCapitalize1(tmp1->name);
              nc6 = xmlNewNode(NULL, BAD_CAST tmp2);
              free(tmp2);
            }
            else{
              char *tmp2=zCapitalize(tmp1->name);
              nc6 = xmlNewNode(ns_ows, BAD_CAST tmp2);
              free(tmp2);
            }
            xmlAddChild(nc6,xmlNewText(BAD_CAST tmp1->value));
            xmlAddChild(nc5,nc6);
          }
          else{
            if(strcmp(tmp1->name,"value")==0){
              nc7 = xmlNewNode(NULL, BAD_CAST "DefaultValue");
              xmlAddChild(nc7,xmlNewText(BAD_CAST tmp1->value));
              default1=1;
            }
            if(strncasecmp(tmp1->name,"AllowedValues",13)==0){
              nc6 = xmlNewNode(ns_ows, BAD_CAST "AllowedValues");
              char *token,*saveptr1;
              token=strtok_r(tmp1->value,",",&saveptr1);
              while(token!=NULL){
                nc7 = xmlNewNode(ns_ows, BAD_CAST "Value");
                char *tmps=strdup(token);
                tmps[strlen(tmps)]=0;
                xmlAddChild(nc7,xmlNewText(BAD_CAST tmps));
                fprintf(stderr,"strgin : %s\n",tmps);
                xmlAddChild(nc6,nc7);
                token=strtok_r(NULL,",",&saveptr1);
              }
              xmlAddChild(nc3,nc6);
              isAnyValue=-1;
            }
          }
          tmp1=tmp1->next;
        }
      xmlAddChild(nc4,nc5);
      xmlAddChild(nc3,nc4);
      if(datatype==1 && isAnyValue==1){
        xmlAddChild(nc3,xmlNewNode(ns_ows, BAD_CAST "AnyValue"));
        if(default1>0)
          xmlAddChild(nc3,nc7);
      }
      if(datatype==1 && default1>0)
        xmlAddChild(nc3,nc7);
    }
    xmlAddChild(nc2,nc3);
    
    _tmp=e->supported;
    int hasSupported=-1;
    while(_tmp!=NULL){
      if(hasSupported<0){
        if(datatype==0){
          nc4 = xmlNewNode(NULL, BAD_CAST "Supported");
          nc5 = xmlNewNode(NULL, BAD_CAST "Format");
        }
        else{
          nc5 = xmlNewNode(NULL, BAD_CAST "Supported");
        }
        hasSupported=0;
      }else{
        nc5 = xmlNewNode(NULL, BAD_CAST "Format");
      }
      tmp1=_tmp->content;
      char *orderedFields[5];
      orderedFields[0]="mimeType";
      orderedFields[1]="encoding";
      orderedFields[2]="schema";
      orderedFields[3]="dataType";
      orderedFields[4]="uom";
      int oI=0;
      for(oI=0;oI<5;oI++)
        if((tmp1=getMap(_tmp->content,orderedFields[oI]))!=NULL){
          if(datatype==0){
            char *tmp2=zCapitalize1(tmp1->name);
            nc6 = xmlNewNode(NULL, BAD_CAST tmp2);
            free(tmp2);
          }
          else{
            char *tmp2=zCapitalize(tmp1->name);   
            nc6 = xmlNewNode(ns_ows, BAD_CAST tmp2);
            free(tmp2);
          }
          xmlAddChild(nc6,xmlNewText(BAD_CAST tmp1->value));
          xmlAddChild(nc5,nc6);
          tmp1=tmp1->next;
        }
      if(hasSupported<=0){
        if(datatype==0){
          xmlAddChild(nc4,nc5);
          xmlAddChild(nc3,nc4);
        }else{
          xmlAddChild(nc4,nc5);
        }
        hasSupported=1;
      }else{
        xmlAddChild(nc4,nc5);
      }
      _tmp=_tmp->next;
      if(strcmp(e->format,"LiteralData")!=0){
        xmlAddChild(nc2,nc3);
      }
    }
    xmlAddChild(nc1,nc2);
    
    
    e=e->next;
  }
  xmlAddChild(nc,nc1);

  nc1 = xmlNewNode(NULL, BAD_CAST "ProcessOutputs");
  
  e=serv->outputs;
  while(e!=NULL){
    nc2 = xmlNewNode(NULL, BAD_CAST "Output");
    tmp1=getMap(e->content,"minOccurs");
    if(tmp1){
      xmlNewProp(nc2,BAD_CAST tmp1->name,BAD_CAST tmp1->value);
    }
    tmp1=getMap(e->content,"maxOccurs");
    if(tmp1){
      xmlNewProp(nc2,BAD_CAST tmp1->name,BAD_CAST tmp1->value);
    }

    printDescription(nc2,ns_ows,e->name,e->content);

    if(strncasecmp(e->format,"LITERALDATA",strlen(e->format))==0)
      nc3 = xmlNewNode(NULL, BAD_CAST "LiteralOutput");
    else
      if(strncasecmp(e->format,"COMPLEXDATA",strlen(e->format))==0)
        nc3 = xmlNewNode(NULL, BAD_CAST "ComplexOutput");
      else
        nc3 = xmlNewNode(NULL, BAD_CAST e->format);
    iotype* _tmp=e->defaults;
    int datatype=0;
    if(_tmp!=NULL){
     if(strcmp(e->format,"LiteralOutput")==0 ||
        strcmp(e->format,"LiteralData")==0){
        datatype=1;
        nc4 = xmlNewNode(NULL, BAD_CAST "UOMs");
        nc5 = xmlNewNode(NULL, BAD_CAST "Default");
     }
      else{
        nc4 = xmlNewNode(NULL, BAD_CAST "Default");
        nc5 = xmlNewNode(NULL, BAD_CAST "Format");
      }
      tmp1=_tmp->content;
      while(tmp1!=NULL){
#ifdef DEBUG
        printf("DATATYPE DEFAULT ? %s\n",tmp1->name);
#endif
        if(strncasecmp(tmp1->name,"DataType",8)==0){
          nc6 = xmlNewNode(ns_ows, BAD_CAST "DataType");
          xmlAddChild(nc6,xmlNewText(BAD_CAST tmp1->value));
          char tmp[1024];
          sprintf(tmp,"http://www.w3.org/TR/xmlschema-2/#%s",tmp1->value);
          xmlNewNsProp(nc6,ns_ows,BAD_CAST "reference",BAD_CAST tmp);
          xmlAddChild(nc3,nc6);
          tmp1=tmp1->next;
          datatype=1;
          continue;
        }
        if(strcmp(tmp1->name,"asReference")!=0 &&
           strncasecmp(tmp1->name,"DataType",8)!=0 &&
           strcasecmp(tmp1->name,"extension")!=0){
          if(datatype==0){
            char *tmp2=zCapitalize1(tmp1->name);
            nc6 = xmlNewNode(NULL, BAD_CAST tmp2);
            free(tmp2);
          }
          else{
            char *tmp2=zCapitalize(tmp1->name);
            nc6 = xmlNewNode(ns_ows, BAD_CAST tmp2);
            free(tmp2);
          }
          xmlAddChild(nc6,xmlNewText(BAD_CAST tmp1->value));
          xmlAddChild(nc5,nc6);
        }
        tmp1=tmp1->next;
      }
      xmlAddChild(nc4,nc5);
      xmlAddChild(nc3,nc4);         
    }
    _tmp=e->supported;
    int hasSupported=-1;
    while(_tmp!=NULL){
      if(hasSupported<0){
        if(datatype==0){
          nc4 = xmlNewNode(NULL, BAD_CAST "Supported");
          nc5 = xmlNewNode(NULL, BAD_CAST "Format");
        }
        else
          nc5 = xmlNewNode(NULL, BAD_CAST "Supported");
        hasSupported=0;
      }else
        nc5 = xmlNewNode(NULL, BAD_CAST "Format");
      tmp1=_tmp->content;
      char *orderedFields[5];
      orderedFields[0]="mimeType";
      orderedFields[1]="encoding";
      orderedFields[2]="schema";
      orderedFields[3]="dataType";
      orderedFields[4]="uom";
      int oI=0;
      for(oI=0;oI<5;oI++)
        if((tmp1=getMap(_tmp->content,orderedFields[oI]))!=NULL){
#ifdef DEBUG
          printf("DATATYPE SUPPORTED ? %s\n",tmp1->name);
#endif
          if(strcmp(tmp1->name,"asReference")!=0 && 
             strcmp(tmp1->name,"DataType")!=0 &&
             strcasecmp(tmp1->name,"extension")!=0){
            if(datatype==0){
              char *tmp2=zCapitalize1(tmp1->name);
              nc6 = xmlNewNode(NULL, BAD_CAST tmp2);
              free(tmp2);
            }
            else{
              char *tmp2=zCapitalize(tmp1->name);
              nc6 = xmlNewNode(ns_ows, BAD_CAST tmp2);
              free(tmp2);
            }
            xmlAddChild(nc6,xmlNewText(BAD_CAST tmp1->value));
            xmlAddChild(nc5,nc6);
          }
          tmp1=tmp1->next;
        }
      _tmp=_tmp->next;
      if(hasSupported<=0){
        if(datatype==0){
          xmlAddChild(nc4,nc5);
          xmlAddChild(nc3,nc4);
        }else
          xmlAddChild(nc4,nc5);
        hasSupported=1;
      }
      else
        xmlAddChild(nc4,nc5);
    }
    xmlAddChild(nc2,nc3);

    xmlAddChild(nc3,nc4);
      
    
    xmlAddChild(nc2,nc3);
    
    xmlAddChild(nc1,nc2);
    
    e=e->next;
  }
  xmlAddChild(nc,nc1);

  xmlAddChild(n,nc);

}

void printProcessResponse(maps* m,map* request, int pid,service* serv,char* service,int status,maps* inputs,maps* outputs){
  xmlNsPtr ns,ns_ows,ns_xlink,ns_xsi;
  xmlNodePtr nr,n,nc,nc1,nc2,nc3,pseudor;
  xmlDocPtr doc;
  xmlChar *xmlbuff;
  int buffersize;
  time_t time1;  
  time(&time1);
  /**
   * Create the document and its temporary root.
   */
  doc = xmlNewDoc(BAD_CAST "1.0");
  int wpsId=zooXmlAddNs(NULL,"http://www.opengis.net/wps/1.0.0","wps");
  ns=usedNs[wpsId];
  
  n = xmlNewNode(ns, BAD_CAST "ExecuteResponse");
  int owsId=zooXmlAddNs(n,"http://www.opengis.net/ows/1.1","ows");
  ns_ows=usedNs[owsId];
  int xlinkId=zooXmlAddNs(n,"http://www.w3.org/1999/xlink","xlink");
  ns_xlink=usedNs[xlinkId];
  int xsiId=zooXmlAddNs(n,"http://www.w3.org/2001/XMLSchema-instance","xsi");
  ns_xsi=usedNs[xsiId];
  xmlNewNs(n,BAD_CAST "http://www.opengis.net/wps/1.0.0",BAD_CAST "wps");

  xmlNewNsProp(n,ns_xsi,BAD_CAST "schemaLocation",BAD_CAST "http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsExecute_response.xsd");
  
  xmlNewProp(n,BAD_CAST "service",BAD_CAST "WPS");
  xmlNewProp(n,BAD_CAST "version",BAD_CAST "1.0.0");
  addLangAttr(n,m);

  char tmp[256];
  char url[1024];
  char stored_path[1024];
  memset(tmp,0,256);
  memset(url,0,1024);
  memset(stored_path,0,1024);
  maps* tmp_maps=getMaps(m,"main");
  if(tmp_maps!=NULL){
    map* tmpm1=getMap(tmp_maps->content,"serverAddress");
    /**
     * Check if the ZOO Service GetStatus is available in the local directory.
     * If yes, then it uses a reference to an URL which the client can access
     * to get information on the status of a running Service (using the 
     * percentCompleted attribute). 
     * Else fallback to the initial method using the xml file to write in ...
     */
    char ntmp[1024];
#ifndef WIN32
    getcwd(ntmp,1024);
#else
    _getcwd(ntmp,1024);
#endif
    struct stat myFileInfo;
    int statRes;
    char file_path[1024];
    sprintf(file_path,"%s/GetStatus.zcfg",ntmp);
    statRes=stat(file_path,&myFileInfo);
    if(statRes==0){
      char currentSid[128];
      map* tmpm=getMap(tmp_maps->content,"rewriteUrl");
      map *tmp_lenv=NULL;
      tmp_lenv=getMapFromMaps(m,"lenv","sid");
      if(tmp_lenv==NULL)
        sprintf(currentSid,"%i",pid);
      else
        sprintf(currentSid,"%s",tmp_lenv->value);
      if(tmpm==NULL || strcasecmp(tmpm->value,"false")==0){
        sprintf(url,"%s/?request=Execute&service=WPS&version=1.0.0&Identifier=GetStatus&DataInputs=sid=%s&RawDataOutput=Result",tmpm1->value,currentSid);
      }else{
        if(strlen(tmpm->value)>0)
          if(strcasecmp(tmpm->value,"true")!=0)
            sprintf(url,"%s/%s/GetStatus/%s",tmpm1->value,tmpm->value,currentSid);
          else
            sprintf(url,"%s/GetStatus/%s",tmpm1->value,currentSid);
        else
          sprintf(url,"%s/?request=Execute&service=WPS&version=1.0.0&Identifier=GetStatus&DataInputs=sid=%s&RawDataOutput=Result",tmpm1->value,currentSid);
      }
    }else{
      map* tmpm2=getMap(tmp_maps->content,"tmpUrl");
      if(tmpm1!=NULL && tmpm2!=NULL){
        sprintf(url,"%s/%s/%s_%i.xml",tmpm1->value,tmpm2->value,service,pid);
      }
    }
    if(tmpm1!=NULL)
      sprintf(tmp,"%s/",tmpm1->value);
    tmpm1=getMapFromMaps(m,"main","TmpPath");
    sprintf(stored_path,"%s/%s_%i.xml",tmpm1->value,service,pid);
  }

  

  xmlNewProp(n,BAD_CAST "serviceInstance",BAD_CAST tmp);
  map* test=getMap(request,"storeExecuteResponse");
  bool hasStoredExecuteResponse=false;
  if(test!=NULL && strcasecmp(test->value,"true")==0){
    xmlNewProp(n,BAD_CAST "statusLocation",BAD_CAST url);
    hasStoredExecuteResponse=true;
  }

  nc = xmlNewNode(ns, BAD_CAST "Process");
  map* tmp2=getMap(serv->content,"processVersion");

  if(tmp2!=NULL)
    xmlNewNsProp(nc,ns,BAD_CAST "processVersion",BAD_CAST tmp2->value);
  
  printDescription(nc,ns_ows,serv->name,serv->content);
  fflush(stderr);

  xmlAddChild(n,nc);

  nc = xmlNewNode(ns, BAD_CAST "Status");
  const struct tm *tm;
  size_t len;
  time_t now;
  char *tmp1;
  map *tmpStatus;
  
  now = time ( NULL );
  tm = localtime ( &now );

  tmp1 = (char*)malloc((TIME_SIZE+1)*sizeof(char));

  len = strftime ( tmp1, TIME_SIZE, "%Y-%m-%dT%I:%M:%SZ", tm );

  xmlNewProp(nc,BAD_CAST "creationTime",BAD_CAST tmp1);

  char sMsg[2048];
  switch(status){
  case SERVICE_SUCCEEDED:
    nc1 = xmlNewNode(ns, BAD_CAST "ProcessSucceeded");
    sprintf(sMsg,_("Service \"%s\" run successfully."),serv->name);
    nc3=xmlNewText(BAD_CAST sMsg);
    xmlAddChild(nc1,nc3);
    break;
  case SERVICE_STARTED:
    nc1 = xmlNewNode(ns, BAD_CAST "ProcessStarted");
    tmpStatus=getMapFromMaps(m,"lenv","status");
    xmlNewProp(nc1,BAD_CAST "percentCompleted",BAD_CAST tmpStatus->value);
    sprintf(sMsg,_("ZOO Service \"%s\" is currently running. Please, reload this document to get the up-to-date status of the Service."),serv->name);
    nc3=xmlNewText(BAD_CAST sMsg);
    xmlAddChild(nc1,nc3);
    break;
  case SERVICE_ACCEPTED:
    nc1 = xmlNewNode(ns, BAD_CAST "ProcessAccepted");
    sprintf(sMsg,_("Service \"%s\" was accepted by the ZOO Kernel and it run as a background task. Please consult the statusLocation attribtue providen in this document to get the up-to-date document."),serv->name);
    nc3=xmlNewText(BAD_CAST sMsg);
    xmlAddChild(nc1,nc3);
    break;
  case SERVICE_FAILED:
    nc1 = xmlNewNode(ns, BAD_CAST "ProcessFailed");
    map *errorMap;
    map *te;
    te=getMapFromMaps(m,"lenv","code");
    if(te!=NULL)
      errorMap=createMap("code",te->value);
    else
      errorMap=createMap("code","NoApplicableCode");
    te=getMapFromMaps(m,"lenv","message");
    if(te!=NULL)
      addToMap(errorMap,"text",_ss(te->value));
    else
      addToMap(errorMap,"text",_("No more information available"));
    nc3=createExceptionReportNode(m,errorMap,0);
    freeMap(&errorMap);
    free(errorMap);
    xmlAddChild(nc1,nc3);
    break;
  default :
    printf(_("error code not know : %i\n"),status);
    //exit(1);
    break;
  }
  xmlAddChild(nc,nc1);
  xmlAddChild(n,nc);
  free(tmp1);

#ifdef DEBUG
  fprintf(stderr,"printProcessResponse 1 161\n");
#endif

  map* lineage=getMap(request,"lineage");
  if(lineage!=NULL){
    nc = xmlNewNode(ns, BAD_CAST "DataInputs");
    int i;
    maps* mcursor=inputs;
    elements* scursor=NULL;
    while(mcursor!=NULL /*&& scursor!=NULL*/){
      scursor=getElements(serv->inputs,mcursor->name);
      printIOType(doc,nc,ns,ns_ows,scursor,mcursor,"Input");
      mcursor=mcursor->next;
    }
    xmlAddChild(n,nc);
    
#ifdef DEBUG
    fprintf(stderr,"printProcessResponse 1 177\n");
#endif

    nc = xmlNewNode(ns, BAD_CAST "OutputDefinitions");
    mcursor=outputs;
    scursor=NULL;
    while(mcursor!=NULL){
      scursor=getElements(serv->outputs,mcursor->name);
      printOutputDefinitions1(doc,nc,ns,ns_ows,scursor,mcursor,"Output");
      mcursor=mcursor->next;
    }
    xmlAddChild(n,nc);
  }
#ifdef DEBUG
  fprintf(stderr,"printProcessResponse 1 190\n");
#endif

  /**
   * Display the process output only when requested !
   */
  if(status==SERVICE_SUCCEEDED){
    nc = xmlNewNode(ns, BAD_CAST "ProcessOutputs");
    maps* mcursor=outputs;
    elements* scursor=serv->outputs;
    while(mcursor!=NULL){
      scursor=getElements(serv->outputs,mcursor->name);
      printIOType(doc,nc,ns,ns_ows,scursor,mcursor,"Output");
      mcursor=mcursor->next;
    }
    xmlAddChild(n,nc);
  }
#ifdef DEBUG
  fprintf(stderr,"printProcessResponse 1 202\n");
#endif
  xmlDocSetRootElement(doc, n);
  if(hasStoredExecuteResponse){
    /* We need to write the ExecuteResponse Document somewhere */
    FILE* output=fopen(stored_path,"w");
    xmlChar *xmlbuff;
    int buffersize;
    xmlDocDumpFormatMemoryEnc(doc, &xmlbuff, &buffersize, "UTF-8", 1);
    fwrite(xmlbuff,1,strlen(xmlbuff)*sizeof(char),output);
    xmlFree(xmlbuff);
    fclose(output);
  }
  printDocument(m,doc,pid);

  xmlCleanupParser();
  zooXmlCleanupNs();
}


void printDocument(maps* m, xmlDocPtr doc,int pid){
  rewind(stdout);
  char *encoding=getEncoding(m);
  if(pid==getpid()){
    printf("Content-Type: text/xml; charset=%s\r\nStatus: 200 OK\r\n\r\n",encoding);
  }
  fflush(stdout);
  xmlChar *xmlbuff;
  int buffersize;
  /*
   * Dump the document to a buffer and print it on stdout
   * for demonstration purposes.
   */
  xmlDocDumpFormatMemoryEnc(doc, &xmlbuff, &buffersize, encoding, 1);
  printf((char *) xmlbuff);
  //fflush(stdout);
  /*
   * Free associated memory.
   */
  xmlFree(xmlbuff);
  xmlFreeDoc(doc);
  xmlCleanupParser();
  zooXmlCleanupNs();
}

void printOutputDefinitions1(xmlDocPtr doc,xmlNodePtr nc,xmlNsPtr ns_wps,xmlNsPtr ns_ows,elements* e,maps* m,char* type){
  xmlNodePtr nc1;
  nc1=xmlNewNode(ns_wps, BAD_CAST type);
  map *tmp=NULL;  
  if(e!=NULL && e->defaults!=NULL)
    tmp=e->defaults->content;
  else{
    /*
    dumpElements(e);
    */
    return;
  }
  while(tmp!=NULL){
    if(strncasecmp(tmp->name,"MIMETYPE",strlen(tmp->name))==0
       || strncasecmp(tmp->name,"ENCODING",strlen(tmp->name))==0
       || strncasecmp(tmp->name,"SCHEMA",strlen(tmp->name))==0
       || strncasecmp(tmp->name,"UOM",strlen(tmp->name))==0)
    xmlNewProp(nc1,BAD_CAST tmp->name,BAD_CAST tmp->value);
    tmp=tmp->next;
  }
  tmp=getMap(e->defaults->content,"asReference");
  if(tmp==NULL)
    xmlNewProp(nc1,BAD_CAST "asReference",BAD_CAST "false");

  tmp=e->content;

  printDescription(nc1,ns_ows,m->name,e->content);

  xmlAddChild(nc,nc1);

}

void printOutputDefinitions(xmlDocPtr doc,xmlNodePtr nc,xmlNsPtr ns_wps,xmlNsPtr ns_ows,elements* e,map* m,char* type){
  xmlNodePtr nc1,nc2,nc3;
  nc1=xmlNewNode(ns_wps, BAD_CAST type);
  map *tmp=NULL;  
  if(e!=NULL && e->defaults!=NULL)
    tmp=e->defaults->content;
  else{
    /*
    dumpElements(e);
    */
    return;
  }
  while(tmp!=NULL){
    xmlNewProp(nc1,BAD_CAST tmp->name,BAD_CAST tmp->value);
    tmp=tmp->next;
  }
  tmp=getMap(e->defaults->content,"asReference");
  if(tmp==NULL)
    xmlNewProp(nc1,BAD_CAST "asReference",BAD_CAST "false");

  tmp=e->content;

  printDescription(nc1,ns_ows,m->name,e->content);

  xmlAddChild(nc,nc1);

}

void printIOType(xmlDocPtr doc,xmlNodePtr nc,xmlNsPtr ns_wps,xmlNsPtr ns_ows,elements* e,maps* m,char* type){
  xmlNodePtr nc1,nc2,nc3;
  nc1=xmlNewNode(ns_wps, BAD_CAST type);
  map *tmp=NULL;
  if(e!=NULL)
    tmp=e->content;
  else
    tmp=m->content;
#ifdef DEBUG
  dumpMap(tmp);
  dumpElements(e);
#endif
  nc2=xmlNewNode(ns_ows, BAD_CAST "Identifier");
  if(e!=NULL)
    nc3=xmlNewText(BAD_CAST e->name);
  else
    nc3=xmlNewText(BAD_CAST m->name);
  xmlAddChild(nc2,nc3);
  xmlAddChild(nc1,nc2);
  xmlAddChild(nc,nc1);
  // Extract Title required to be first element in the ZCFG file !
  bool isTitle=true;
  if(e!=NULL)
    tmp=getMap(e->content,"Title");
  else
    tmp=getMap(m->content,"Title");
  
  if(tmp!=NULL){
    nc2=xmlNewNode(ns_ows, BAD_CAST tmp->name);
    nc3=xmlNewText(BAD_CAST _ss(tmp->value));
    xmlAddChild(nc2,nc3);  
    xmlAddChild(nc1,nc2);
  }

  if(e!=NULL)
    tmp=getMap(e->content,"Abstract");
  else
    tmp=getMap(m->content,"Abstract");
  if(tmp!=NULL){
    nc2=xmlNewNode(ns_ows, BAD_CAST tmp->name);
    nc3=xmlNewText(BAD_CAST _ss(tmp->value));
    xmlAddChild(nc2,nc3);  
    xmlAddChild(nc1,nc2);
    xmlAddChild(nc,nc1);
  }

  /**
   * IO type Reference or full Data ?
   */
#ifdef DEBUG
  fprintf(stderr,"FORMAT %s %s\n",e->format,e->format);
#endif
  map *tmpMap=getMap(m->content,"Reference");
  if(tmpMap==NULL){
    nc2=xmlNewNode(ns_wps, BAD_CAST "Data");
    if(e!=NULL){
      if(strncasecmp(e->format,"LITERALOUTPUT",strlen(e->format))==0)
        nc3=xmlNewNode(ns_wps, BAD_CAST "LiteralData");
      else
        if(strncasecmp(e->format,"COMPLEXOUTPUT",strlen(e->format))==0)
          nc3=xmlNewNode(ns_wps, BAD_CAST "ComplexData");
        else
          nc3=xmlNewNode(ns_wps, BAD_CAST e->format);
    }
    else{
      map* tmpV=getMapFromMaps(m,"format","value");
      if(tmpV!=NULL)
        nc3=xmlNewNode(ns_wps, BAD_CAST tmpV->value);
      else
        nc3=xmlNewNode(ns_wps, BAD_CAST "LitteralData");
    }
    tmp=m->content;
    while(tmp!=NULL){
      if(strcasecmp(tmp->name,"mimeType")==0 ||
         strcasecmp(tmp->name,"encoding")==0 ||
         strcasecmp(tmp->name,"schema")==0 ||
         strcasecmp(tmp->name,"datatype")==0 ||
         strcasecmp(tmp->name,"uom")==0)
        xmlNewProp(nc3,BAD_CAST tmp->name,BAD_CAST tmp->value);
      tmp=tmp->next;
      xmlAddChild(nc2,nc3);
    }
    if(e!=NULL)
      tmp=getMap(e->defaults->content,"mimeType");
    else
      tmp=NULL;
    map* tmp1=getMap(m->content,"encoding");
    map* tmp2=getMap(m->content,"mimeType");
    map* toto=getMap(m->content,"value");
    if((tmp1!=NULL && strncmp(tmp1->value,"base64",6)==0)
       || (tmp2!=NULL && (strncmp(tmp2->value,"image/",6)==0
                          || strncmp(tmp2->value,"application/",6)==0)) ){
      map* rs=getMap(m->content,"size");
      bool isSized=true;
      if(rs==NULL){
        char tmp1[1024];
        sprintf(tmp1,"%d",strlen(toto->value));
        rs=createMap("z",tmp1);
        isSized=false;
      }
      xmlAddChild(nc3,xmlNewText(BAD_CAST base64((const unsigned char*)toto->value,atoi(rs->value))));
      if(!isSized){
        freeMap(&rs);
        free(rs);
      }
    }
    else if(tmp!=NULL){
      if(strncmp(tmp->value,"text/js",4)==0 ||
         strncmp(tmp->value,"application/js",14)==0)
        xmlAddChild(nc3,xmlNewCDataBlock(doc,BAD_CAST toto->value,strlen(toto->value)));
      else
        xmlAddChild(nc3,xmlNewText(BAD_CAST toto->value));
      xmlAddChild(nc2,nc3);
    }
    else
      xmlAddChild(nc3,xmlNewText(BAD_CAST toto->value));
  }
  else{
    nc3=nc2=xmlNewNode(ns_wps, BAD_CAST "Reference");
    xmlNewProp(nc3,BAD_CAST "href",BAD_CAST tmpMap->value);
    tmp=m->content;
    while(tmp!=NULL){
      if(strcasecmp(tmp->name,"mimeType")==0 ||
         strcasecmp(tmp->name,"encoding")==0 ||
         strcasecmp(tmp->name,"schema")==0 ||
         strcasecmp(tmp->name,"datatype")==0 ||
         strcasecmp(tmp->name,"uom")==0)
        xmlNewProp(nc3,BAD_CAST tmp->name,BAD_CAST tmp->value);
      tmp=tmp->next;
      xmlAddChild(nc2,nc3);
    }
  }

  xmlAddChild(nc1,nc2);
  xmlAddChild(nc,nc1);

}

void printDescription(xmlNodePtr root,xmlNsPtr ns_ows,char* identifier,map* amap){
  xmlNodePtr nc2 = xmlNewNode(ns_ows, BAD_CAST "Identifier");
  xmlAddChild(nc2,xmlNewText(BAD_CAST identifier));
  xmlAddChild(root,nc2);
  map* tmp=amap;
  char *tmp2[2];
  tmp2[0]="Title";
  tmp2[1]="Abstract";
  int j=0;
  for(j=0;j<2;j++){
    map* tmp1=getMap(tmp,tmp2[j]);
    if(tmp1!=NULL){
      nc2 = xmlNewNode(ns_ows, BAD_CAST tmp2[j]);
      xmlAddChild(nc2,xmlNewText(BAD_CAST _ss(tmp1->value)));
      xmlAddChild(root,nc2);
    }
  }
}

char* getEncoding(maps* m){
  if(m!=NULL){
    map* tmp=getMap(m->content,"encoding");
    if(tmp!=NULL){
      return tmp->value;
    }
    else
      return "UTF-8";
  }
  else
    return "UTF-8";  
}

char* getVersion(maps* m){
  if(m!=NULL){
    map* tmp=getMap(m->content,"version");
    if(tmp!=NULL){
      return tmp->value;
    }
    else
      return "1.0.0";
  }
  else
    return "1.0.0";
}

void printExceptionReportResponse(maps* m,map* s){
  int buffersize;
  xmlDocPtr doc;
  xmlChar *xmlbuff;
  xmlNodePtr n;

  doc = xmlNewDoc(BAD_CAST "1.0");
  maps* tmpMap=getMaps(m,"main");
  char *encoding=getEncoding(tmpMap);
  if(m!=NULL){
    map *tmpSid=getMapFromMaps(m,"lenv","sid");
    if(tmpSid!=NULL){
      if( getpid()==atoi(tmpSid->value) )
        printf("Content-Type: text/xml; charset=%s\r\nStatus: 200 OK\r\n\r\n",encoding);
    }
    else
      printf("Content-Type: text/xml; charset=%s\r\nStatus: 200 OK\r\n\r\n",encoding);
  }else
    printf("Content-Type: text/xml; charset=%s\r\nStatus: 200 OK\r\n\r\n",encoding);
  n=createExceptionReportNode(m,s,1);
  xmlDocSetRootElement(doc, n);
  xmlDocDumpFormatMemoryEnc(doc, &xmlbuff, &buffersize, encoding, 1);
  printf("%s",xmlbuff);
  fflush(stdout);
  xmlFreeDoc(doc);
  xmlFree(xmlbuff);
  xmlCleanupParser();
  zooXmlCleanupNs();
}

xmlNodePtr createExceptionReportNode(maps* m,map* s,int use_ns){
  
  int buffersize;
  xmlChar *xmlbuff;
  xmlNsPtr ns,ns_ows,ns_xlink,ns_xsi;
  xmlNodePtr n,nc,nc1,nc2;

  maps* tmpMap=getMaps(m,"main");

  int nsid=zooXmlAddNs(NULL,BAD_CAST "http://www.opengis.net/ows/1.1",BAD_CAST "ows");
  ns=usedNs[nsid];
  n = xmlNewNode(ns, BAD_CAST "ExceptionReport");

  if(use_ns==1){
    ns_ows=xmlNewNs(n,BAD_CAST "http://www.opengis.net/ows/1.1",BAD_CAST "ows");
    int xsiId=zooXmlAddNs(n,"http://www.w3.org/2001/XMLSchema-instance","xsi");
    ns_xsi=usedNs[xsiId];
    int xlinkId=zooXmlAddNs(n,"http://www.w3.org/1999/xlink","xlink");
    ns_xlink=usedNs[xlinkId];
    xmlNewNsProp(n,ns_xsi,BAD_CAST "schemaLocation",BAD_CAST "http://www.opengis.net/ows/1.1 http://schemas.opengis.net/ows/1.1.0/owsExceptionReport.xsd");
  }
  addLangAttr(n,m);
  xmlNewProp(n,BAD_CAST "version",BAD_CAST "1.1.0");
  
  nc = xmlNewNode(ns, BAD_CAST "Exception");

  map* tmp=getMap(s,"code");
  if(tmp!=NULL)
    xmlNewProp(nc,BAD_CAST "exceptionCode",BAD_CAST tmp->value);
  else
    xmlNewProp(nc,BAD_CAST "exceptionCode",BAD_CAST "NoApplicableCode");

  tmp=getMap(s,"text");
  nc1 = xmlNewNode(ns, BAD_CAST "ExceptionText");
  nc2=NULL;
  if(tmp!=NULL){
    xmlNodeSetContent(nc1, BAD_CAST tmp->value);
  }
  else{
    xmlNodeSetContent(nc1, BAD_CAST _("No debug message available"));
  }
  xmlAddChild(nc,nc1);
  xmlAddChild(n,nc);
  return n;
}


void outputResponse(service* s,maps* request_inputs,maps* request_outputs,
                    map* request_inputs1,int cpid,maps* m,int res){
#ifdef DEBUG
  dumpMaps(request_inputs);
  dumpMaps(request_outputs);
  fprintf(stderr,"printProcessResponse\n");
#endif
  map* toto=getMap(request_inputs1,"RawDataOutput");
  int asRaw=0;
  if(toto!=NULL)
    asRaw=1;
  
  if(asRaw==0){
#ifdef DEBUG
    fprintf(stderr,"REQUEST_OUTPUTS FINAL\n");
    dumpMaps(request_outputs);
#endif
    maps* tmpI=request_outputs;
    while(tmpI!=NULL){
      toto=getMap(tmpI->content,"asReference");
      if(toto!=NULL && strcasecmp(toto->value,"true")==0){

        toto=getMap(tmpI->content,"extension");
        map *tmp1=getMapFromMaps(m,"main","tmpPath");
        char *file_name;
        bool hasExt=true;
        if(toto==NULL){
          dumpMaps(tmpI);
          // We can fallback to a default list of supported formats using
          // mimeType information if present here. Maybe we can add more formats
          // here.
          // If mimeType was not found, we then set txt as the default extension.
          map* mtype=getMap(tmpI->content,"mimeType");
          if(mtype!=NULL){
            if(strcasecmp(mtype->value,"text/xml")==0)
              toto=createMap("extension","xml");
            else if(strcasecmp(mtype->value,"application/json")==0)
              toto=createMap("extension","js");
            else
              toto=createMap("extension","txt");
          }
          else
            toto=createMap("extension","txt");
          hasExt=false;
        }
        file_name=(char*)malloc((strlen(tmp1->value)+strlen(s->name)+strlen(toto->value)+strlen(tmpI->name)+13)*sizeof(char));
        sprintf(file_name,"%s/%s_%s_%i.%s",tmp1->value,s->name,tmpI->name,cpid+100000,toto->value);
        FILE *ofile=fopen(file_name,"w");
        if(ofile==NULL)
          fprintf(stderr,"Unable to create file on disk implying segfault ! \n");
        map *tmp2=getMapFromMaps(m,"main","tmpUrl");
        map *tmp3=getMapFromMaps(m,"main","serverAddress");
        char *file_url;
        file_url=(char*)malloc((strlen(tmp3->value)+strlen(tmp2->value)+strlen(s->name)+strlen(toto->value)+strlen(tmpI->name)+13)*sizeof(char));
        sprintf(file_url,"%s/%s/%s_%s_%i.%s",tmp3->value,tmp2->value,s->name,tmpI->name,cpid+100000,toto->value);
        addToMap(tmpI->content,"Reference",file_url);
        if(hasExt!=true){
          freeMap(&toto);
          free(toto);
        }
        toto=getMap(tmpI->content,"value");
        map* size=getMap(tmpI->content,"size");
        if(size!=NULL && toto!=NULL)
          fwrite(toto->value,1,atoi(size->value)*sizeof(char),ofile);
        else
        if(toto!=NULL && toto->value!=NULL)
          fwrite(toto->value,1,strlen(toto->value)*sizeof(char),ofile);
        fclose(ofile);
        free(file_name);
        free(file_url);
      }
      tmpI=tmpI->next;
    }
    map *r_inputs=getMap(s->content,"serviceProvider");
#ifdef DEBUG
    fprintf(stderr,"SERVICE : %s\n",r_inputs->value);
    dumpMaps(m);
#endif
    printProcessResponse(m,request_inputs1,cpid,
                         s,r_inputs->value,res,
                         request_inputs,
                         request_outputs);
  }
  else
    if(res!=SERVICE_FAILED){
      /**
       * We get the requested output or fallback to the first one if the 
       * requested one is not present in the resulting outputs maps.
       */
      maps* tmpI=NULL;
      map* tmpIV=getMap(request_inputs1,"RawDataOutput");
      if(tmpIV!=NULL){
        tmpI=getMaps(request_outputs,tmpIV->value);
      }
      if(tmpI==NULL)
        tmpI=request_outputs;
      toto=getMap(tmpI->content,"value");
      if(toto==NULL){
        map * errormap = createMap("text",_("Unable to fetch any result"));
        addToMap(errormap,"code", "InternalError");
        printExceptionReportResponse(m,errormap);
        freeMap(&errormap);
        free(errormap);
      }
      char mime[1024];
      map* mi=getMap(tmpI->content,"mimeType");
#ifdef DEBUG
      fprintf(stderr,"SERVICE OUTPUTS\n");
      dumpMaps(request_outputs);
      fprintf(stderr,"SERVICE OUTPUTS\n");
#endif
      map* en=getMap(tmpI->content,"encoding");
      if(mi!=NULL && en!=NULL)
        sprintf(mime,
                "Content-Type: %s; charset=%s\r\nStatus: 200 OK\r\n\r\n",
                mi->value,en->value);
      else
        if(mi!=NULL)
          sprintf(mime,
                  "Content-Type: %s; charset=UTF-8\r\nStatus: 200 OK\r\n\r\n",
                  mi->value);
        else
          sprintf(mime,"Content-Type: text/plain; charset=utf-8\r\nStatus: 200 OK\r\n\r\n");
      printf("%s",mime);
      if(mi!=NULL && strncmp(mi->value,"image",5)==0){
        map* rs=getMapFromMaps(tmpI,tmpI->name,"size");
        fwrite(toto->value,atoi(rs->value),1,stdout);
      }
      else
        printf("%s",toto->value);
#ifdef DEBUG
      dumpMap(toto);
#endif
    }else{
      char tmp[1024];
      map * errormap;
      map *lenv;
      lenv=getMapFromMaps(m,"lenv","message");
      if(lenv!=NULL)
        sprintf(tmp,_("Unable to run the Service. The message returned back by the Service was the following : %s"),lenv->value);
      else
        sprintf(tmp,_("Unable to run the Service. No more information was returned back by the Service."));
      errormap = createMap("text",tmp);      
      addToMap(errormap,"code", "InternalError");
      printExceptionReportResponse(m,errormap);
      freeMap(&errormap);
      free(errormap);
    }
}

char *base64(const unsigned char *input, int length)
{
  BIO *bmem, *b64;
  BUF_MEM *bptr;

  b64 = BIO_new(BIO_f_base64());
  bmem = BIO_new(BIO_s_mem());
  b64 = BIO_push(b64, bmem);
  BIO_write(b64, input, length);
  BIO_flush(b64);
  BIO_get_mem_ptr(b64, &bptr);

  char *buff = (char *)malloc(bptr->length);
  memcpy(buff, bptr->data, bptr->length-1);
  buff[bptr->length-1] = 0;

  BIO_free_all(b64);

  return buff;
}

char* addDefaultValues(maps** out,elements* in,maps* m,int type){
  elements* tmpInputs=in;
  maps* out1=*out;
  while(tmpInputs!=NULL){
    maps *tmpMaps=getMaps(out1,tmpInputs->name);
    if(tmpMaps==NULL){
      maps* tmpMaps2=(maps*)malloc(MAPS_SIZE);
      tmpMaps2->name=strdup(tmpInputs->name);
      tmpMaps2->content=NULL;
      tmpMaps2->next=NULL;
      
      if(type==0){
        map* tmpMapMinO=getMap(tmpInputs->content,"minOccurs");
        if(tmpMapMinO!=NULL)
          if(atoi(tmpMapMinO->value)>=1){
            freeMaps(&tmpMaps2);
            free(tmpMaps2);
            return tmpInputs->name;
          }
          else{
            if(tmpMaps2->content==NULL)
              tmpMaps2->content=createMap("minOccurs",tmpMapMinO->value);
            else
              addToMap(tmpMaps2->content,"minOccurs",tmpMapMinO->value);
          }
        map* tmpMaxO=getMap(tmpInputs->content,"maxOccurs");
        if(tmpMaxO!=NULL)
          if(tmpMaps2->content==NULL)
            tmpMaps2->content=createMap("maxOccurs",tmpMaxO->value);
          else
            addToMap(tmpMaps2->content,"maxOccurs",tmpMaxO->value);
      }

      iotype* tmpIoType=tmpInputs->defaults;
      if(tmpIoType!=NULL){
        map* tmpm=tmpIoType->content;
        while(tmpm!=NULL){
          if(tmpMaps2->content==NULL)
            tmpMaps2->content=createMap(tmpm->name,tmpm->value);
          else
            addToMap(tmpMaps2->content,tmpm->name,tmpm->value);
          tmpm=tmpm->next;
        }
      }
      if(type==1){
        map *tmpMap=getMap(tmpMaps2->content,"value");
        if(tmpMap==NULL)
          addToMap(tmpMaps2->content,"value","NULL");
      }
      if(out1==NULL){
        *out=dupMaps(&tmpMaps2);
        out1=*out;
      }
      else
        addMapsToMaps(&out1,tmpMaps2);
      freeMap(&tmpMaps2->content);
      free(tmpMaps2->content);
      tmpMaps2->content=NULL;
      freeMaps(&tmpMaps2);
      free(tmpMaps2);
      tmpMaps2=NULL;
    }
    else{
      iotype* tmpIoType=getIoTypeFromElement(tmpInputs,tmpInputs->name,
                                             tmpMaps->content);

      if(type==0) {
        map* tmpMap1=getMap(tmpInputs->content,"minOccurs");
        if(tmpMap1!=NULL){
          if(tmpMaps->content==NULL)
            tmpMaps->content=createMap("minOccurs",tmpMap1->value);
          else
            addToMap(tmpMaps->content,"minOccurs",tmpMap1->value);
        }
        map* tmpMaxO=getMap(tmpInputs->content,"maxOccurs");
        if(tmpMaxO!=NULL){
          if(tmpMaps->content==NULL)
            tmpMaps->content=createMap("maxOccurs",tmpMap1->value);
          else
            addToMap(tmpMaps->content,"maxOccurs",tmpMap1->value);
        }
      }

      if(tmpIoType!=NULL){
        map* tmpContent=tmpIoType->content;
        map* cval=NULL;

        while(tmpContent!=NULL){
          if((cval=getMap(tmpMaps->content,tmpContent->name))==NULL){
#ifdef DEBUG
            fprintf(stderr,"addDefaultValues %s => %s\n",tmpContent->name,tmpContent->value);
#endif
            if(tmpMaps->content==NULL)
              tmpMaps->content=createMap(tmpContent->name,tmpContent->value);
            else
              addToMap(tmpMaps->content,tmpContent->name,tmpContent->value);
          }
          tmpContent=tmpContent->next;
        }
      }
    }
    tmpInputs=tmpInputs->next;
  }
  return "";
}