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src/RequestDispatcher.h

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00001 /*
00002  *   MetriVis - Metrics Visualization Application
00003  *
00004  *
00005  *   License notice:
00006  *
00007  *   This program is free software: you can redistribute it and/or modify
00008  *   it under the terms of the GNU General Public License as published by
00009  *   the Free Software Foundation, either version 3 of the License, or
00010  *   (at your option) any later version.
00011  *
00012  *   This program is distributed in the hope that it will be useful,
00013  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *   GNU General Public License for more details.
00016  *
00017  *   You should have received a copy of the GNU General Public License
00018  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
00019  *
00020  */
00021 
00022 
00029 #ifndef _METRIVIS_REQUEST_DISPATHER_H
00030 #define _METRIVIS_REQUEST_DISPATHER_H
00031 
00032 #include <string>
00033 #include "pattern/Thread.h"
00034 #include "BaseClass.h"
00035 #include "RequestDescription.h"
00036 
00037 namespace metrivis {
00038 
00039 class Pipeline;
00040 class RequestDescription;
00041 
00057 class RequestDispatcher : public Thread, public BaseClass {
00058 
00059 public:
00060 
00066   RequestDispatcher(int clone_id);
00067 
00073   virtual ~RequestDispatcher();
00074 
00075 
00080   inline void set_request_description(const RequestDescription& description) {
00081     request_description_ = description;
00082   }
00083 
00088   const RequestDescription& request_description() const {
00089     return request_description_;
00090   }
00091 
00092 
00093 protected:
00094 
00100   virtual void Run();
00101 
00102 
00103 protected:
00104 
00112   int SendHTTPImage(const std::string& image_data);
00113 
00114 
00122   int SendHTTPPlainText(const std::string& plain_text);
00123 
00124 
00132   int SendHTTPText(const std::string& http_text);
00133 
00134 
00142   int SendJSONText(const std::string& json_text);
00143 
00144 
00145 private:
00146 
00152   int SendHTTPReplyRaw(const std::string& message, const std::string& type);
00153 
00154 
00155 protected:
00156 
00157   Pipeline* pipeline_;  
00158   RequestDescription request_description_; 
00159 };
00160 
00161 
00162 } // namespace metrivis
00163 
00164 #endif // _METRIVIS_REQUEST_DISPATHER_H

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