git.sesse.net Git - casparcg/blob - protocol/amcp/AMCPCommand.h

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Nicklas P Andersson
  20 */
  21
  22 #pragma once
  23
  24 #include "../util/clientinfo.h"
  25
  26 #include <core/consumer/frame_consumer.h>
  27 #include <core/video_channel.h>
  28
  29 #include <boost/algorithm/string.hpp>
  30
  31 namespace caspar { namespace protocol {
  32 namespace amcp {
  33
  34         class AMCPCommand
  35         {
  36                 AMCPCommand(const AMCPCommand&);
  37                 AMCPCommand& operator=(const AMCPCommand&);
  38         public:
  39                 AMCPCommand();
  40                 virtual ~AMCPCommand() {}
  41                 virtual bool Execute() = 0;
  42
  43                 virtual bool NeedChannel() = 0;
  44                 virtual int GetMinimumParameters() = 0;
  45
  46                 void SendReply();
  47
  48                 void AddParameter(const std::wstring& param){_parameters.push_back(param);}
  49
  50                 void SetClientInfo(IO::ClientInfoPtr& s){pClientInfo_ = s;}
  51                 IO::ClientInfoPtr GetClientInfo(){return pClientInfo_;}
  52
  53                 void SetChannel(const std::shared_ptr<core::video_channel>& pChannel){pChannel_ = pChannel;}
  54                 std::shared_ptr<core::video_channel> GetChannel(){return pChannel_;}
  55
  56                 void SetChannels(const std::vector<spl::shared_ptr<core::video_channel>>& channels){channels_ = channels;}
  57                 const std::vector<spl::shared_ptr<core::video_channel>>& GetChannels() { return channels_; }
  58
  59                 void SetChannelIndex(unsigned int channelIndex){channelIndex_ = channelIndex;}
  60                 unsigned int GetChannelIndex(){return channelIndex_;}
  61
  62                 void SetLayerIntex(int layerIndex){layerIndex_ = layerIndex;}
  63                 int GetLayerIndex(int defaultValue = 0) const{return layerIndex_ != -1 ? layerIndex_ : defaultValue;}
  64
  65                 virtual void Clear();
  66
  67                 virtual std::wstring print() const = 0;
  68
  69                 void SetReplyString(const std::wstring& str){replyString_ = str;}
  70
  71         protected:
  72                 std::vector<std::wstring> _parameters;
  73                 std::vector<std::wstring> _parameters2;
  74
  75         private:
  76                 unsigned int channelIndex_;
  77                 int layerIndex_;
  78                 IO::ClientInfoPtr pClientInfo_;
  79                 std::shared_ptr<core::video_channel> pChannel_;
  80                 std::vector<spl::shared_ptr<core::video_channel>> channels_;
  81                 std::wstring replyString_;
  82         };
  83
  84         typedef std::tr1::shared_ptr<AMCPCommand> AMCPCommandPtr;
  85
  86         template<bool TNeedChannel,int TMinParameters>
  87         class AMCPCommandBase : public AMCPCommand
  88         {
  89         public:
  90                 virtual bool Execute()
  91                 {
  92                         _parameters2 = _parameters;
  93                         for(size_t n = 0; n < _parameters.size(); ++n)
  94                                 _parameters[n] = boost::to_upper_copy(_parameters[n]);
  95                         return (TNeedChannel && !GetChannel()) || _parameters.size() < TMinParameters ? false : DoExecute();
  96                 }
  97
  98                 virtual bool NeedChannel(){return TNeedChannel;}
  99                 virtual int GetMinimumParameters(){return TMinParameters;}
 100         protected:
 101                 ~AMCPCommandBase(){}
 102         private:
 103                 virtual bool DoExecute() = 0;
 104         };
 105
 106 }}}