ffead.server.doc
FilterHandler.cpp
1 /*
2  Copyright 2009-2012, Sumeet Chhetri
3 
4  Licensed under the Apache License, Version 2.0 (the "License");
5  you may not use this file except in compliance with the License.
6  You may obtain a copy of the License at
7 
8  http://www.apache.org/licenses/LICENSE-2.0
9 
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15 */
16 /*
17  * FilterHandler.cpp
18  *
19  * Created on: Jun 17, 2012
20  * Author: Sumeet
21  */
22 
23 #include "FilterHandler.h"
24 
25 FilterHandler::FilterHandler() {
26  // TODO Auto-generated constructor stub
27 
28 }
29 
30 FilterHandler::~FilterHandler() {
31  // TODO Auto-generated destructor stub
32 }
33 
34 void FilterHandler::handleIn(HttpRequest* req, HttpResponse& res, map<string, vector<string> > filterMap, void* dlib,
35  string ext)
36 {
37  Logger logger = Logger::getLogger("FilterHandler");
38  if(filterMap.find(req->getCntxt_name()+"*.*in")!=filterMap.end() || filterMap.find(req->getCntxt_name()+ext+"in")!=filterMap.end())
39  {
40  vector<string> tempp;
41  if(filterMap.find(req->getCntxt_name()+"*.*in")!=filterMap.end())
42  tempp = filterMap[req->getCntxt_name()+"*.*in"];
43  else
44  tempp = filterMap[req->getCntxt_name()+ext+"in"];
45 
46  for (int var = 0; var < (int)tempp.size(); ++var)
47  {
48  string clasz = tempp.at(var);
49  clasz = "getReflectionCIFor" + clasz;
50  logger << ("Input Filter handled by class " + clasz) << endl;
51  if(dlib == NULL)
52  {
53  cerr << dlerror() << endl;
54  exit(-1);
55  }
56  void *mkr = dlsym(dlib, clasz.c_str());
57  if(mkr!=NULL)
58  {
59  FunPtr f = (FunPtr)mkr;
60  ClassInfo srv = f();
61  args argus;
62  Constructor ctor = srv.getConstructor(argus);
63  Reflector ref;
64  void *_temp = ref.newInstanceGVP(ctor);
65  Filter *filter = (Filter*)_temp;
66  filter->doInputFilter(req);
67  logger << "Filter called" << endl;
68  delete filter;
69  }
70  }
71  }
72 }
73 
74 void FilterHandler::handleOut(HttpRequest* req, HttpResponse& res, map<string, vector<string> > filterMap, void* dlib,
75  string ext)
76 {
77  Logger logger = Logger::getLogger("FilterHandler");
78  if(filterMap.find(req->getCntxt_name()+"*.*out")!=filterMap.end() || filterMap.find(req->getCntxt_name()+ext+"out")!=filterMap.end())
79  {
80  vector<string> tempp;
81  if(filterMap.find(req->getCntxt_name()+"*.*out")!=filterMap.end())
82  tempp = filterMap[req->getCntxt_name()+"*.*out"];
83  else
84  tempp = filterMap[req->getCntxt_name()+ext+"out"];
85 
86  for (int var = 0; var < (int)tempp.size(); ++var)
87  {
88  string clasz = tempp.at(var);
89  clasz = "getReflectionCIFor" + clasz;
90  logger << ("Output Filter handled by class " + clasz) << endl;
91  if(dlib == NULL)
92  {
93  cerr << dlerror() << endl;
94  exit(-1);
95  }
96  void *mkr = dlsym(dlib, clasz.c_str());
97  if(mkr!=NULL)
98  {
99  FunPtr f = (FunPtr)mkr;
100  ClassInfo srv = f();
101  args argus;
102  Constructor ctor = srv.getConstructor(argus);
103  Reflector ref;
104  void *_temp = ref.newInstanceGVP(ctor);
105  Filter *filter = (Filter*)_temp;
106  filter->doOutputFilter(&res);
107  logger << "Filter called" << endl;
108  delete filter;
109  }
110  }
111  }
112 }