Files
ChanSort/ChanSort.Loader.DbFile/DbSerializer.cs

330 lines
11 KiB
C#

using System;
using System.Collections.Generic;
using System.Data.SQLite;
using System.IO;
using System.Text;
using ChanSort.Api;
namespace ChanSort.Loader.DbFile
{
class DbSerializer : SerializerBase
{
private const int BITS_Tv = 0x10000;
private const int BITS_FavA = 0x100000;
private const int BITS_FavB = 0x200000;
private const int BITS_FavC = 0x400000;
private const int BITS_FavD = 0x800000;
private const int BITS_Locked = 0x20000000;
private readonly ChannelList atvChannels = new ChannelList(SignalSource.AnalogCT | SignalSource.TvAndRadio, "Analog");
private readonly ChannelList dtvTvChannels = new ChannelList(SignalSource.DvbCT | SignalSource.Tv, "DTV");
private readonly ChannelList dtvRadioChannels = new ChannelList(SignalSource.DvbCT | SignalSource.Radio, "Radio");
private readonly ChannelList satTvChannels = new ChannelList(SignalSource.DvbS | SignalSource.Tv, "Sat-TV");
private readonly ChannelList satRadioChannels = new ChannelList(SignalSource.DvbS | SignalSource.Radio, "Sat-Radio");
private readonly Dictionary<string, bool> channelInfoByUid = new Dictionary<string, bool>();
#region ctor()
public DbSerializer(string inputFile) : base(inputFile)
{
this.Features.ChannelNameEdit = true;
this.DataRoot.AddChannelList(this.atvChannels);
this.DataRoot.AddChannelList(this.dtvTvChannels);
this.DataRoot.AddChannelList(this.dtvRadioChannels);
this.DataRoot.AddChannelList(this.satTvChannels);
this.DataRoot.AddChannelList(this.satRadioChannels);
}
#endregion
#region DisplayName
public override string DisplayName { get { return "Toshiba *.db Loader"; } }
#endregion
#region Load()
public override void Load()
{
string baseDir = Path.GetDirectoryName(Path.GetDirectoryName(this.FileName));
string sysDataConnString = "Data Source=" + baseDir + "\\dvb_type001\\dvbSysData.db";
using (var conn = new SQLiteConnection(sysDataConnString))
{
conn.Open();
using (var cmd = conn.CreateCommand())
{
this.ReadSatellites(cmd);
this.ReadTransponders(cmd);
}
}
string mainDataConnString = "Data Source=" + baseDir + "\\dvb_type001\\dvbMainData.db";
using (var conn = new SQLiteConnection(mainDataConnString))
{
conn.Open();
using (var cmd = conn.CreateCommand())
{
this.ReadCryptInfo(cmd);
}
}
string channelConnString = "Data Source=" + this.FileName;
using (var conn = new SQLiteConnection(channelConnString))
{
conn.Open();
using (var cmd = conn.CreateCommand())
{
this.ReadAnalogChannels(cmd);
this.ReadDtvChannels(cmd);
this.ReadSatChannels(cmd);
}
}
}
#endregion
#region ReadSatellites()
private void ReadSatellites(SQLiteCommand cmd)
{
cmd.CommandText = "select distinct satellite_id, satellite_name, orbital_position, west_east_flag from satellite";
using (var r = cmd.ExecuteReader())
{
while (r.Read())
{
Satellite sat = new Satellite(r.GetInt32(0));
int pos = r.GetInt32(2);
sat.OrbitalPosition = string.Format("{0}.{1}{2}", pos / 10, pos % 10, r.GetInt32(3) == 1 ? "E" : "W");
sat.Name = r.GetString(1) + " " + sat.OrbitalPosition;
this.DataRoot.AddSatellite(sat);
}
}
}
#endregion
#region ReadTransponders()
private void ReadTransponders(SQLiteCommand cmd)
{
cmd.CommandText = "select satellite_id, frequency, polarization, symbol_rate, transponder_number from satellite";
using (var r = cmd.ExecuteReader())
{
while (r.Read())
{
int satId = r.GetInt32(0);
int freq = r.GetInt32(1);
int id = satId * 1000000 + freq / 1000;
if (this.DataRoot.Transponder.TryGet(id) != null)
continue;
Transponder tp = new Transponder(id);
tp.FrequencyInMhz = (decimal)freq / 1000;
tp.Number = r.GetInt32(4);
tp.Polarity = r.GetInt32(2) == 0 ? 'H' : 'V';
tp.Satellite = this.DataRoot.Satellites.TryGet(satId);
tp.SymbolRate = r.GetInt32(3) / 1000;
this.DataRoot.AddTransponder(tp.Satellite, tp);
}
}
}
#endregion
#region ReadCryptInfo()
private void ReadCryptInfo(SQLiteCommand cmd)
{
cmd.CommandText =
"select satellite_id, original_network_id, transport_stream_id, service_id, free_CA_mode from services";
using (var r = cmd.ExecuteReader())
{
while (r.Read())
{
int satId = r.IsDBNull(0) ? 0 : r.GetInt32(0);
string format = satId != 0 ? "S{0}-{1}-{2}-{3}" : "C-{1}-{2}-{3}";
string uid = string.Format(format, this.DataRoot.Satellites.TryGet(satId).OrbitalPosition,
r.GetInt32(1), r.GetInt32(2), r.GetInt32(3));
this.channelInfoByUid[uid] = r.GetInt32(4) != 0;
}
}
}
#endregion
#region ReadAnalogChannels()
private void ReadAnalogChannels(SQLiteCommand cmd)
{
string[] fieldNames = {"channel_handle", "channel_number", "list_bits", "channel_label", "frequency"};
var sql = this.GetQuery("EuroATVChanList", fieldNames);
var fields = this.GetFieldMap(fieldNames);
cmd.CommandText = sql;
using (var r = cmd.ExecuteReader())
{
while (r.Read())
ReadAnalogChannel(r, fields);
}
}
private void ReadAnalogChannel(SQLiteDataReader r, IDictionary<string, int> field)
{
var bits = r.GetInt32(field["list_bits"]);
if ((bits & BITS_Tv) == 0)
return;
ChannelInfo channel = new ChannelInfo(SignalSource.Analog|SignalSource.Tv,
r.GetInt32(field["channel_handle"]),
r.GetInt32(field["channel_number"]),
r.GetString(field["channel_label"]));
channel.FreqInMhz = (decimal) r.GetInt32(field["frequency"])/1000000;
channel.Favorites = this.ParseFavorites(bits);
this.DataRoot.AddChannel(this.atvChannels, channel);
}
#endregion
#region ReadDtvChannels()
private void ReadDtvChannels(SQLiteCommand cmd)
{
this.ReadDigitalChannels(cmd, "EuroDTVChanList", SignalSource.DvbCT, this.dtvTvChannels, this.dtvRadioChannels);
}
#endregion
#region ReadSatChannels()
private void ReadSatChannels(SQLiteCommand cmd)
{
this.ReadDigitalChannels(cmd, "EuroSATChanList", SignalSource.DvbS, this.satTvChannels, this.satRadioChannels);
}
#endregion
#region ReadDigitalChannels()
private void ReadDigitalChannels(SQLiteCommand cmd, string table, SignalSource signalSource, ChannelList tvChannels, ChannelList radioChannels)
{
string[] fieldNames = { "channel_handle", "channel_number", "channel_label", "frequency", "list_bits",
"dvb_service_type", "onid", "tsid", "sid", "sat_id", "channel_order" };
var sql = this.GetQuery(table, fieldNames);
var fields = this.GetFieldMap(fieldNames);
cmd.CommandText = sql;
using (var r = cmd.ExecuteReader())
{
while (r.Read())
ReadDigitalChannel(r, fields, signalSource, tvChannels, radioChannels);
}
}
#endregion
#region ReadDigitalChannel()
private void ReadDigitalChannel(SQLiteDataReader r, IDictionary<string, int> field, SignalSource signalSource, ChannelList tvChannels, ChannelList radioChannels)
{
var name = r.GetString(field["channel_label"]);
string longName, shortName;
this.GetChannelNames(name, out longName, out shortName);
ChannelInfo channel = new ChannelInfo(signalSource,
r.GetInt32(field["channel_handle"]),
r.GetInt32(field["channel_number"]),
longName);
channel.ShortName = shortName;
channel.RecordOrder = r.GetInt32(field["channel_order"]);
channel.FreqInMhz = (decimal)r.GetInt32(field["frequency"]) / 1000;
int serviceType = r.GetInt32(field["dvb_service_type"]);
if (serviceType == 1 || serviceType == 25)
channel.SignalSource |= SignalSource.Tv;
else if (serviceType == 2)
channel.SignalSource |= SignalSource.Radio;
channel.ServiceType = serviceType;
channel.OriginalNetworkId = r.GetInt32(field["onid"]);
channel.TransportStreamId = r.GetInt32(field["tsid"]);
channel.ServiceId = r.GetInt32(field["sid"]);
int bits = r.GetInt32(field["list_bits"]);
channel.Favorites = this.ParseFavorites(bits);
channel.Lock = (bits & BITS_Locked) != 0;
if ((signalSource & SignalSource.Sat) != 0)
{
int satId = r.GetInt32(field["sat_id"]);
var sat = this.DataRoot.Satellites.TryGet(satId);
if (sat != null)
{
channel.Satellite = sat.Name;
channel.SatPosition = sat.OrbitalPosition;
int tpId = satId*1000000 + (int) channel.FreqInMhz;
var tp = this.DataRoot.Transponder.TryGet(tpId);
if (tp != null)
{
channel.SymbolRate = tp.SymbolRate;
}
}
}
channel.Encrypted = this.channelInfoByUid.TryGet(channel.Uid);
this.DataRoot.AddChannel(serviceType == 2 ? radioChannels : tvChannels, channel);
}
#endregion
#region GetQuery()
private string GetQuery(string table, string[] fieldNames)
{
string sql = "select ";
for (int i = 0; i < fieldNames.Length; i++)
{
if (i > 0)
sql += ",";
sql += fieldNames[i];
}
sql += " from " + table;
return sql;
}
#endregion
#region GetFieldMap()
private IDictionary<string, int> GetFieldMap(string[] fieldNames)
{
Dictionary<string, int> field = new Dictionary<string, int>();
for (int i = 0; i < fieldNames.Length; i++)
field[fieldNames[i]] = i;
return field;
}
#endregion
#region GetChannelNames()
private void GetChannelNames(string name, out string longName, out string shortName)
{
StringBuilder sbLong = new StringBuilder();
StringBuilder sbShort = new StringBuilder();
bool inShort = false;
foreach (char c in name)
{
if (c == 0x86)
inShort = true;
else if (c == 0x87)
inShort = false;
if (c >= 0x80 && c <= 0x9F)
continue;
if (inShort)
sbShort.Append(c);
sbLong.Append(c);
}
longName = sbLong.ToString();
shortName = sbShort.ToString();
}
#endregion
#region ParseFavorites()
private Favorites ParseFavorites(int bits)
{
Favorites fav = 0;
if ((bits & BITS_FavA) != 0) fav |= Favorites.A;
if ((bits & BITS_FavB) != 0) fav |= Favorites.B;
if ((bits & BITS_FavC) != 0) fav |= Favorites.C;
if ((bits & BITS_FavD) != 0) fav |= Favorites.D;
return fav;
}
#endregion
public override void Save(string tvOutputFile, string csvOutputFile)
{
throw new NotImplementedException();
}
}
}