src/context_mgr_impl.h

   1 /*
   2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   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 #ifndef __CONTEXT_MANAGER_IMPL_H__
  18 #define __CONTEXT_MANAGER_IMPL_H__
  19
  20 #include <vector>
  21 #include <list>
  22 #include <map>
  23 #include <context_mgr_iface.h>
  24 #include "request.h"
  25
  26 #define TRIGGER_CLIENT_NAME "TRIGGER"
  27
  28 namespace ctx {
  29
  30         class context_manager_impl : public context_manager_iface {
  31                 public:
  32                         typedef std::list<request_info*> request_list_t;
  33
  34                         context_manager_impl();
  35                         ~context_manager_impl();
  36
  37                         bool init();
  38                         void release();
  39
  40                         void assign_request(ctx::request_info* request);
  41                         bool is_supported(const char* subject, const char* zone);
  42
  43                         // From the interface class
  44                         bool register_provider(const char* subject, ctx::context_provider_iface* cp);
  45                         bool publish(const char* subject, ctx::json& option, int error, ctx::json& data_updated, const char* zone);
  46                         bool reply_to_read(const char* subject, ctx::json& option, int error, ctx::json& data_read, const char* zone);
  47                         // ---
  48
  49                 private:
  50                         typedef std::vector<context_provider_iface*> provider_list_t;
  51                         typedef std::map<std::string, context_provider_iface*> subject_provider_map_t;
  52
  53                         provider_list_t provider_list;
  54                         request_list_t subscribe_request_list;
  55                         request_list_t read_request_list;
  56                         subject_provider_map_t subject_provider_map;
  57
  58                         void load_provider(ctx::context_provider_iface* provider);
  59
  60                         void subscribe(request_info* request, context_provider_iface* provider);
  61                         void unsubscribe(request_info* request);
  62                         void read(request_info* request, context_provider_iface* provider);
  63                         void write(request_info* request, context_provider_iface* provider);
  64
  65                         bool check_permission(request_info* request);
  66
  67                         static gboolean thread_switcher(gpointer data);
  68                         bool _publish(const char* subject, ctx::json option, int error, ctx::json data_updated, const char* zone);
  69                         bool _reply_to_read(const char* subject, ctx::json option, int error, ctx::json data_read, const char* zone);
  70
  71                         request_list_t::iterator find_request(request_list_t& r_list, std::string subject, json& option, const char* zone);
  72                         request_list_t::iterator find_request(request_list_t& r_list, std::string client, int req_id);
  73                         request_list_t::iterator find_request(request_list_t::iterator begin, request_list_t::iterator end, std::string subject, json& option, const char* zone);
  74
  75         };      /* class context_manager_impl */
  76
  77 }       /* namespace ctx */
  78
  79 #endif  /* End of __CONTEXT_MANAGER_IMPL_H__ */