public void DontSplitShortMessage()
{
var messageSplitter = new MessageSplitter(maxMessageLength: 100);
const string message = "This message has few enough characters to not get split.";
Assert.That(
messageSplitter.FitToMaxLength(message).ToArray(), Is.EqualTo(new[] { message }));
}
public MainView()
{
this.InitializeComponent();
this.presenter = new MainPresenter(this);
this.splitter = new MessageSplitter();
this.splitter.OnMessage += splitter_OnMessage;
this.UpdatePorts();
}
// called from the tcp sniffer, so it needs to lock
private void HandleTcpDataReceived(TcpConnection connection, ArraySegment <byte> data)
{
lock (_eventLock)
{
if (data.Count == 0)
{
return;
}
if (_isNew.Contains(connection))
{
if (_serversByIp.ContainsKey(connection.Source.Address.ToString()) &&
data.Array.Skip(data.Offset).Take(4).SequenceEqual(new byte[] { 1, 0, 0, 0 }))
{
_isNew.Remove(connection);
var server = _serversByIp[connection.Source.Address.ToString()];
_serverToClient = connection;
_clientToServer = null;
_decrypter = new ConnectionDecrypter(server.Region);
_decrypter.ClientToServerDecrypted += HandleClientToServerDecrypted;
_decrypter.ServerToClientDecrypted += HandleServerToClientDecrypted;
_messageSplitter = new MessageSplitter();
_messageSplitter.MessageReceived += HandleMessageReceived;
OnNewConnection(server);
}
if (_serverToClient != null && _clientToServer == null &&
_serverToClient.Destination.Equals(connection.Source) &&
_serverToClient.Source.Equals(connection.Destination))
{
_isNew.Remove(connection);
_clientToServer = connection;
}
}
if (!(connection == _clientToServer || connection == _serverToClient))
{
return;
}
if (_decrypter == null)
{
return;
}
var dataArray = data.Array.Skip(data.Offset).Take(data.Count).ToArray();
if (connection == _clientToServer)
{
_decrypter.ClientToServer(dataArray);
}
else
{
_decrypter.ServerToClient(dataArray);
}
}
}
public IrcHandler()
{
MessageSplitter = new MessageSplitter();
ChatConnection = new IrcConnection();
BackgroundWorker = new BackgroundWorker();
BackgroundWorker.WorkerReportsProgress = true;
BackgroundWorker.WorkerSupportsCancellation = true;
BackgroundWorker.DoWork += new DoWorkEventHandler(ChatConnection.GetMessages);
BackgroundWorker.ProgressChanged += new ProgressChangedEventHandler(ReceiveMessage);
}
private ITrackMessageProvider DownloaderStub()
{
var directory = AppDomain.CurrentDomain.BaseDirectory;
var htmlSource = File.ReadAllText(
directory + "/QSP/RouteFinding/Tracks/Nats/North Atlantic Tracks.html");
var msgs = new MessageSplitter(htmlSource).Split();
int westIndex = msgs[0].Direction == NatsDirection.West ? 0 : 1;
int eastIndex = 1 - westIndex;
var msg = new NatsMessage(msgs[westIndex], msgs[eastIndex]);
return(new TrackMessageProvider(msg));
}
public void LastSplitPerfectLength()
{
var messageSplitter = new MessageSplitter(maxMessageLength: 25);
const string message = "This message's last part fits perfectly without continuation dots";
Assert.That(
messageSplitter.FitToMaxLength(message).ToArray(), Is.EqualTo(new[]
{
"This message's last ...",
"part fits perfectly ...",
"without continuation dots"
}));
}
public void SplitAtMaxIfNoSpace()
{
var messageSplitter = new MessageSplitter(maxMessageLength: 30);
const string message = "This-message-gets-forcefully-split-because-it-has-no-spaces.";
Assert.That(
messageSplitter.FitToMaxLength(message).ToArray(), Is.EqualTo(new[]
{
"This-message-gets-forcefull...",
"y-split-because-it-has-no-s...",
"paces."
}));
}
public void SplitAtSpace()
{
var messageSplitter = new MessageSplitter(maxMessageLength: 30);
const string message = "This message gets split into space-separated parts no longer than 30 chars.";
Assert.That(
messageSplitter.FitToMaxLength(message).ToArray(), Is.EqualTo(new[]
{
"This message gets split ...",
"into space-separated parts ...",
"no longer than 30 chars."
}));
}
/// <exception cref="Exception"></exception>
public List <AusTrack> Parse()
{
allTracks = new List <AusTrack>();
var msgs = MessageSplitter.Split(allTxt);
if (msgs.Count == 0)
{
throw new Exception("Failed to interpret AUSOTS message.");
}
foreach (var i in msgs)
{
TryAddTrk(i);
}
return(allTracks);
}
public void OnlyEastboundExists()
{
string html =
@"<i>- Last updated at 2016/02/02 15:05 GMT</i>
<tr valign=>The following are active North Atlantic Tracks issued by Shanwick Center (EGGX) ...</th></tr>
<font color=""#000099"">
021356 CZQXZQZX
[Message E1]
<font color=""#000099"">
021357 CZQXZQZX
[Message E2]
<font color=""#000099"">
021357 CZQXZQZX
[Message E3]
</td></tr></table>";
var msg = new MessageSplitter(html).Split();
Assert.AreEqual(1, msg.Count);
var west = GetMsg(msg, NatsDirection.West);
var east = GetMsg(msg, NatsDirection.East);
Assert.IsTrue(west == null);
Assert.IsTrue(east.Header ==
"The following are active North Atlantic Tracks issued by Shanwick Center (EGGX) ...");
Assert.IsTrue(east.LastUpdated == "Last updated at 2016/02/02 15:05 GMT");
Assert.IsTrue(east.Message == @"021356 CZQXZQZX
[Message E1]
021357 CZQXZQZX
[Message E2]
021357 CZQXZQZX
[Message E3]
");
}
// called from the tcp sniffer, so it needs to lock
private void HandleTcpDataReceived(TcpConnection connection, byte[] data, int needToSkip)
{
{
if (data.Length == 0)
{
if (needToSkip == 0 || !(connection == _clientToServer || connection == _serverToClient))
{
return;
}
if (_decrypter == null)
{
return;
}
if (connection == _clientToServer)
{
_decrypter.Skip(MessageDirection.ClientToServer, needToSkip);
}
else
{
_decrypter.Skip(MessageDirection.ServerToClient, needToSkip);
}
return;
}
if (_isNew.ContainsKey(connection))
{
if (_serversByIp.ContainsKey(connection.Source.Address.ToString()) &&
data.Take(4).SequenceEqual(new byte[] { 1, 0, 0, 0 }))
{
byte q;
_isNew.TryRemove(connection, out q);
var server = _serversByIp[connection.Source.Address.ToString()];
_serverToClient = connection;
_clientToServer = null;
ServerProxyOverhead = (int)connection.BytesReceived;
_decrypter = new ConnectionDecrypter(server.Region);
_decrypter.ClientToServerDecrypted += HandleClientToServerDecrypted;
_decrypter.ServerToClientDecrypted += HandleServerToClientDecrypted;
_messageSplitter = new MessageSplitter();
_messageSplitter.MessageReceived += HandleMessageReceived;
_messageSplitter.Resync += OnResync;
}
if (_serverToClient != null && _clientToServer == null &&
_serverToClient.Destination.Equals(connection.Source) &&
_serverToClient.Source.Equals(connection.Destination))
{
ClientProxyOverhead = (int)connection.BytesReceived;
byte q;
_isNew.TryRemove(connection, out q);
_clientToServer = connection;
var server = _serversByIp[connection.Destination.Address.ToString()];
OnNewConnection(server);
}
if (connection.BytesReceived > 0x10000) //if received more bytes but still not recognized - not interesting.
{
byte q;
_isNew.TryRemove(connection, out q);
connection.DataReceived -= HandleTcpDataReceived;
connection.RemoveCallback();
}
}
if (!(connection == _clientToServer || connection == _serverToClient))
{
return;
}
if (_decrypter == null)
{
return;
}
if (connection == _clientToServer)
{
_decrypter.ClientToServer(data, needToSkip);
}
else
{
_decrypter.ServerToClient(data, needToSkip);
}
}
}
public void SplitMessageTest()
{
string str =
@"20 JANUARY 2016
INTERNATIONAL FLEX TRACKS GROUP A: SOUTH EAST ASIA
TDM TRK MY13 160119233001
1601192330 1601201400
JAMOR IBABI LEC CALAR OOD ARNTU LEESA 20S128E SANDY
15S122E ATMAP
RTS/YMML ML H164 JAMOR
RMK/AUSOTS GROUP A
TDM TRK KS13 160120120001
1601201300 1601202300
SVC TRK KS13 NO TRACK - USE PUBLISHED FIXED ROUTES
RMK/AUSOTS GROUP A
INTERNATIONAL FLEX TRACKS GROUP B: MIDDLE EAST
TDM TRK XB13 160120060001
1601200900 1601202200
DOGAR DAOVO PIBED CC 15S100E 20S106E JOLLY CAR NIPEM
LST BOBET 30S132E 30S135E 30S140E IDODA AROLI CRANE
RTS/CRANE Y94 PARRY Y195 GLENN BN YBBN
RMK/AUSOTS GROUP B
DOMESTIC FLEX TRACKS GROUP E
TDM TRK BP13 160120093001
1601200930 1601201530
TAM CV PHONE 28S138E VIRUV 30S131E FRT NSM
RTS/YBBN BN V179 TAM
NSM Q10 HAMTN Q158 PH YPPH
RMK/AUSOTS GROUP E
";
var splitResult = MessageSplitter.Split(str);
Assert.AreEqual(4, splitResult.Count);
Assert.IsTrue(splitResult[0] == (@"TDM TRK MY13 160119233001
1601192330 1601201400
JAMOR IBABI LEC CALAR OOD ARNTU LEESA 20S128E SANDY
15S122E ATMAP
RTS/YMML ML H164 JAMOR
RMK/AUSOTS GROUP A"));
Assert.IsTrue(splitResult[1] == (@"TDM TRK KS13 160120120001
1601201300 1601202300
SVC TRK KS13 NO TRACK - USE PUBLISHED FIXED ROUTES
RMK/AUSOTS GROUP A"));
Assert.IsTrue(splitResult[2] == (@"TDM TRK XB13 160120060001
1601200900 1601202200
DOGAR DAOVO PIBED CC 15S100E 20S106E JOLLY CAR NIPEM
LST BOBET 30S132E 30S135E 30S140E IDODA AROLI CRANE
RTS/CRANE Y94 PARRY Y195 GLENN BN YBBN
RMK/AUSOTS GROUP B"));
Assert.IsTrue(splitResult[3] == (@"TDM TRK BP13 160120093001
1601200930 1601201530
TAM CV PHONE 28S138E VIRUV 30S131E FRT NSM
RTS/YBBN BN V179 TAM
NSM Q10 HAMTN Q158 PH YPPH
RMK/AUSOTS GROUP E"));
}
// called from the tcp sniffer, so it needs to lock
void HandleTcpDataReceived(TcpConnection connection, ArraySegment<byte> data)
{
lock (_eventLock)
{
if (data.Count == 0)
return;
if (_isNew.Contains(connection))
{
_isNew.Remove(connection);
if (_interestingIps.Contains(connection.Source.Address.ToString()) &&
data.Array.Skip(data.Offset).Take(4).SequenceEqual(new byte[] { 1, 0, 0, 0 }))
{
_serverToClient = connection;
_clientToServer = null;
_decrypter = new ConnectionDecrypter();
_decrypter.ClientToServerDecrypted += HandleClientToServerDecrypted;
_decrypter.ServerToClientDecrypted += HandleServerToClientDecrypted;
_messageSplitter = new MessageSplitter();
_messageSplitter.MessageReceived += HandleMessageReceived;
OnNewConnection();
}
if (_serverToClient != null && _clientToServer == null &&
(_serverToClient.Destination.Equals(connection.Source) &&
_serverToClient.Source.Equals(connection.Destination)))
{
_clientToServer = connection;
}
}
if (!(connection == _clientToServer || connection == _serverToClient))
return;
if (_decrypter == null)
return;
var dataArray = data.Array.Skip(data.Offset).Take(data.Count).ToArray();
if (connection == _clientToServer)
_decrypter.ClientToServer(dataArray);
else
_decrypter.ServerToClient(dataArray);
}
}
