visplugin/GizmodLibVisualPlugin.cpp

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/*
  
  Copyright (c) 2007, Tim Burrell
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at 

        http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and 
  limitations under the License. 
  
*/

#include "GizmodLibVisualPlugin.hpp"
#include "../libGizmod/GizmoEventSoundVisualization.hpp"
#include "../libH/Debug.hpp"
#include "../libH/Exception.hpp"
#include "../libH/SocketException.hpp"
#include "../libH/UtilFile.hpp"
#include <fstream>

using namespace std;
using namespace H;
using namespace Gizmod;

// Type Defs

#define DEFAULT_HOST    "localhost"

#define DEFAULT_PORT    30303

#define CONFIG_FILE     "~/.gizmod/libVisualPlugin.config"

// Construction

GizmodLibVisualPlugin::GizmodLibVisualPlugin() {
        mServerHost = DEFAULT_HOST;
        mServerPort = DEFAULT_PORT;
        //Debug::setDebugEnabled(true);
        //Debug::setDebugLog("/tmp/actor_gizmod.log");
}

GizmodLibVisualPlugin::~GizmodLibVisualPlugin() {
        closeSocket();
}

// Class Body

void GizmodLibVisualPlugin::init() {
        cdbg << "Init" << endl;
        readConfig();
        
        // initialize the client
        try {
                cdbg << "Connecting to [" << mServerHost << "] at Port [" << mServerPort << "]..." << endl;
                connectToServer(mServerHost, mServerPort);
                cdbg << "Connected to [" << mServerHost << "] at Port [" << mServerPort << "]..." << endl;
                GizmoEventSoundVisualization Event(SOUNDVISUALIZATION_CONNECT);
                sendEventSoundVisualization(Event);
        } catch (SocketException const & e) {
                cdbg << e.getExceptionMessage() << endl;
        }
}

void GizmodLibVisualPlugin::readConfig() {
        string ConfigFile = CONFIG_FILE;
        UtilFile::relativeToAbsolute(ConfigFile);
        cdbg << "Read Config [" << ConfigFile << "]" << endl;
        ifstream ifs(ConfigFile.c_str());
        if (!ifs.is_open()) {
                writeConfig();
                return;
        }
        
        string Line;
        while (getline(ifs, Line)) {
                size_t eqPos = Line.find("=");
                if (eqPos == string::npos)
                        continue;
                string Var = Line.substr(0, eqPos);
                string Val = Line.substr(eqPos + 1);
                
                if (Var == "host")
                        mServerHost = Val;
                else if (Var == "port")
                        mServerPort = atoi(Val.c_str());
        }
}

void GizmodLibVisualPlugin::shutdown() {
        GizmoEventSoundVisualization Event(SOUNDVISUALIZATION_DISCONNECT);
        sendEventSoundVisualization(Event);
        cdbg << "Shutdown" << endl;
}

void GizmodLibVisualPlugin::render(float VULeft, float VURight, float VUCombined) {
        GizmoEventSoundVisualization Event(VULeft, VURight, VUCombined);
        sendEventSoundVisualization(Event);
}

void GizmodLibVisualPlugin::writeConfig() {
        string ConfigFile = CONFIG_FILE;
        UtilFile::relativeToAbsolute(ConfigFile);
        cdbg << "Write Config [" << ConfigFile << "]" << endl;
        UtilFile::touchRecursive(ConfigFile);
        ofstream ofs(ConfigFile.c_str());
        if (!ofs.is_open())
                return;
        ofs << "host=" << DEFAULT_HOST << endl;
        ofs << "port=" << DEFAULT_PORT << endl;
}

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