source: trunk/zoo-project/zoo-services/utils/status/service.c @ 515

Last change on this file since 515 was 515, checked in by djay, 8 years ago

Use the _getStatus function to use unique identifier and free the allocated memory.

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File size: 5.8 KB
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1/**
2 * Author : Gérald FENOY
3 *
4 * Copyright 2008-2009 GeoLabs SARL. All rights reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25#include "service.h"
26#include "service_internal.h"
27
28extern "C" {
29#include <libxml/tree.h>
30#include <libxml/parser.h>
31#include <libxml/xpath.h>
32#include <libxml/xpathInternals.h>
33
34#include <libxslt/xslt.h>
35#include <libxslt/xsltInternals.h>
36#include <libxslt/transform.h>
37#include <libxslt/xsltutils.h>
38
39#include <dirent.h>
40
41  /**
42   * GetStatus ZOO Service :
43   * This service is used in the ZOO-Project to get information about Services
44   * running as background tasks. The service will first get the XML document
45   * cached by the ZOO-Kernel before calling effectively the Service, then
46   * will access the shared memory space created by the Kernel to extract the
47   * current status of the running Service. Using a simple XSL file it will
48   * finally produce the final ExecuteResponse including the updated
49   * percentCompleted attribute of the ProcessStarted node of the cached
50   * document if any (so if the Service is currently running) else it will
51   * return the final ExecuteResponse stored on the Server file system.
52   */
53#ifdef WIN32
54  __declspec(dllexport)
55#endif
56  int GetStatus(maps*& conf,maps*& inputs,maps*& outputs){
57    const char *params[4 + 1];
58    int xmlLoadExtDtdDefaultValue;
59    map* tmpMap=NULL,*tmpMmap=NULL, *tmpTmap=NULL;
60
61    tmpMap=getMapFromMaps(inputs,"sid","value");
62    tmpTmap=getMapFromMaps(conf,"main","tmpPath");
63    tmpMmap=getMapFromMaps(conf,"main","dataPath");
64    if(tmpMmap==NULL)
65      tmpMmap=tmpTmap;
66    xmlInitParser();
67    struct dirent *dp;
68    DIR *dirp = opendir(tmpTmap->value);
69    char fileName[1024],xslFileName[1024];
70    int hasFile=-1;
71    if(dirp!=NULL){
72      char tmp[128];
73      sprintf(tmp,"_%s.xml",tmpMap->value);
74      while ((dp = readdir(dirp)) != NULL){
75#ifdef DEBUG
76        fprintf(stderr,"File : %s searched : %s\n",dp->d_name,tmp);
77#endif
78        if(strstr(dp->d_name,"final_")==0 && strstr(dp->d_name,tmp)!=0){
79          sprintf(fileName,"%s/%s",tmpTmap->value,dp->d_name);
80          hasFile=1;
81          break;
82        }
83      }
84    }else{
85      char tmp[1024];
86      snprintf(tmp,1024,_ss("GetStatus was unable to use the tmpPath value set in main.cfg file as directory %s."),tmpTmap->value);
87      setMapInMaps(conf,"lenv","message",tmp);
88      return SERVICE_FAILED;
89    }
90    if(hasFile<0){
91      char tmp[1024];
92      snprintf(tmp,1024,_ss("GetStatus was unable to find any cache file for Service ID %s."),tmpMap->value);
93      setMapInMaps(conf,"lenv","message",tmp);
94      return SERVICE_FAILED;
95    }
96    sprintf(xslFileName,"%s/updateStatus.xsl",tmpMmap->value);
97    xmlSubstituteEntitiesDefault(1);
98    xmlLoadExtDtdDefaultValue = 0;
99    xsltStylesheetPtr cur = NULL;
100    xmlDocPtr doc, res;
101    cur = xsltParseStylesheetFile(BAD_CAST xslFileName);
102    doc = xmlParseFile(fileName);
103    if(cur!=NULL && doc!=NULL){
104      /**
105       * Parse Status to extract Status / Message
106       */
107      char *tmpStr=_getStatus(conf,atoi(tmpMap->value));
108#ifdef DEBUG
109      fprintf(stderr,"DEBUG: %s \n",tmpStr);
110#endif
111      if(tmpStr!=NULL && strncmp(tmpStr,"-1",2)!=0){
112        char *tmpStr1=strdup(tmpStr);
113        char *tmpStr0=strdup(strstr(tmpStr,"|")+1);
114        free(tmpStr);
115        tmpStr1[strlen(tmpStr1)-strlen(tmpStr0)-1]='\0';
116        char *tmpStrFinal=(char*)malloc((strlen(tmpStr0)+11)*sizeof(char));
117        sprintf(tmpStrFinal,"string(\"%s\")",tmpStr0);
118        params[0]="value";
119        params[1]=tmpStr1;
120        params[2]="message";
121        params[3]=tmpStrFinal;
122        params[4]=NULL;
123        res = xsltApplyStylesheet(cur, doc, params);
124        xmlChar *xmlbuff;
125        int buffersize;
126        xmlDocDumpFormatMemory(res, &xmlbuff, &buffersize, 1);
127        setMapInMaps(outputs,"Result","value",(char*)xmlbuff);
128        xmlFree(xmlbuff);
129        free(tmpStr1);
130        free(tmpStr0);
131        free(tmpStrFinal);
132      }else{
133        xmlChar *xmlbuff;
134        int buffersize;
135        xmlDocDumpFormatMemory(doc, &xmlbuff, &buffersize, 1);
136        setMapInMaps(outputs,"Result","value",(char*)xmlbuff);
137        xmlFree(xmlbuff);
138      }
139    }
140    else{
141      char tmp[1024];
142      sprintf(tmp,_ss("ZOO GetStatus Service was unable to parse the cache xml file available for the Service ID %s."),tmpMap->value);
143      setMapInMaps(conf,"lenv","message",tmp);
144      return SERVICE_FAILED;
145    }
146    return SERVICE_SUCCEEDED;
147  }
148
149
150  /**
151   * longProcess ZOO Service :
152   * Simple Service which just loop over 100 times then return a welcome message
153   * string, at each step the service will sleep for one second.
154   */
155#ifdef WIN32
156  __declspec(dllexport)
157#endif
158  int longProcess(maps*& conf,maps*& inputs,maps*& outputs){
159    int i=0;
160    while(i<100){
161      char message[10];
162      sprintf(message,"Step %d",i);
163      updateStatus(conf,i,message);
164#ifndef WIN32
165      sleep(1);
166#else
167      Sleep(1000);
168#endif
169      i+=5;
170    }
171    setOutputValue(outputs,"Result","\"Long process run successfully\"",-1);
172    return SERVICE_SUCCEEDED;
173  }
174
175}
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