src/FLARM/Glue.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "Glue.hpp"
  25 #include "Global.hpp"
  26 #include "TrafficDatabases.hpp"
  27 #include "FlarmDetails.hpp"
  28 #include "FlarmNetReader.hpp"
  29 #include "NameFile.hpp"
  30 #include "Friends.hpp"
  31 #include "Components.hpp"
  32 #include "MergeThread.hpp"
  33 #include "IO/DataFile.hpp"
  34 #include "IO/TextWriter.hpp"
  35 #include "Profile/FlarmProfile.hpp"
  36 #include "LogFile.hpp"
  37
  38 /**
  39  * Loads the FLARMnet file
  40  */
  41 static void
  42 LoadFLARMnet(FlarmNetDatabase &db)
  43 {
  44   NLineReader *reader = OpenDataTextFileA(_T("data.fln"));
  45   if (reader == NULL)
  46     return;
  47
  48   unsigned num_records = FlarmNetReader::LoadFile(*reader, db);
  49   delete reader;
  50
  51   if (num_records > 0)
  52     LogFormat("%u FLARMnet ids found", num_records);
  53 }
  54
  55 /**
  56  * Opens XCSoars own FLARM details file, parses it and
  57  * adds its entries as FlarmLookupItems
  58  * @see AddSecondaryItem
  59  */
  60 static void
  61 LoadSecondary(FlarmNameDatabase &db)
  62 {
  63   LogFormat("OpenFLARMDetails");
  64
  65   TLineReader *reader = OpenDataTextFile(_T("xcsoar-flarm.txt"));
  66   if (reader != NULL) {
  67     LoadFlarmNameFile(*reader, db);
  68     delete reader;
  69   }
  70 }
  71
  72 void
  73 LoadFlarmDatabases()
  74 {
  75   if (traffic_databases != nullptr)
  76     return;
  77
  78   traffic_databases = new TrafficDatabases();
  79
  80   /* the MergeThread must be suspended, because it reads the FLARM
  81      databases */
  82   merge_thread->Suspend();
  83
  84   LoadSecondary(traffic_databases->flarm_names);
  85   LoadFLARMnet(traffic_databases->flarm_net);
  86   Profile::Load(traffic_databases->flarm_colors);
  87
  88   merge_thread->Resume();
  89 }
  90
  91 void
  92 SaveFlarmColors()
  93 {
  94   if (traffic_databases != nullptr)
  95     Profile::Save(traffic_databases->flarm_colors);
  96 }
  97
  98 /**
  99  * Saves XCSoars own FLARM details into the
 100  * corresponding file (xcsoar-flarm.txt)
 101    */
 102 static void
 103 SaveSecondary(FlarmNameDatabase &flarm_names)
 104 {
 105   TextWriter *writer = CreateDataTextFile(_T("xcsoar-flarm.txt"));
 106   if (writer == NULL)
 107     return;
 108
 109   SaveFlarmNameFile(*writer, flarm_names);
 110   delete writer;
 111 }
 112
 113 void
 114 SaveFlarmNames()
 115 {
 116   if (traffic_databases != nullptr)
 117     SaveSecondary(traffic_databases->flarm_names);
 118 }
 119
 120 void
 121 DeinitTrafficGlobals()
 122 {
 123   delete traffic_databases;
 124   traffic_databases = nullptr;
 125 }
 126