public async Task <RadioCall> PostOneAsync([FromBody] RadioCall radioCall)
{
var tgIdent = radioCall.TalkGroupIdentifier;
if (radioCall.TalkGroupId <= 0)
{
var talkGroup = await DbContext
.TalkGroups
.FirstOrDefaultAsync(t => t.Identifier == tgIdent);
if (talkGroup == null)
{
talkGroup = new TalkGroup()
{
Identifier = tgIdent
};
var tgEntity = await DbContext
.TalkGroups
.AddAsync(talkGroup);
await DbContext.SaveChangesAsync();
talkGroup = tgEntity.Entity;
}
radioCall.TalkGroupId = talkGroup.Id;
}
var radioCallEntity = await DbContext.RadioCalls.AddAsync(radioCall);
await DbContext.SaveChangesAsync();
return(radioCallEntity.Entity);
}
public async Task SignalRadioClient_CanPostCall()
{
var radioCall = new RadioCall()
{
TalkGroupIdentifier = 123,
CallState = 123,
CallRecordState = 123,
CallIdentifier = "call",
TalkGroupTag = "abc",
Elapsed = 123,
Length = 123,
IsPhase2 = true,
IsConventional = false,
IsEncrypted = false,
IsAnalog = false,
StartTime = 123,
StopTime = 123,
FrequencyHz = 1233123123,
Frequency = 123,
CallSerialNumber = 123,
CallWavPath = "thisisthewave",
SigmfFileName = "sigmf",
DebugFilename = "debug",
Filename = "filename",
StatusFilename = "filename"
};
var result = await _signalRadioClient.PostCallAsync(radioCall);
}
public void PublishVoiceCall(RadioCall call)
{
string message = JsonSerializer.Serialize(call);
byte[] body = Encoding.UTF8.GetBytes(message);
evtchannel.BasicPublish("radio_events", "", basicProperties: null, body: body);
}
protected virtual bool GetMetadata(RadioCall radioCall, out string title, out string artist, out string comment)
{
var talkGroup = radioCall.TalkGroup;
if (radioCall.TalkGroup is null)
{
throw new Exception("Unable to determine TalkGroup");
}
title = null;
artist = null;
comment = null;
try
{
title = string.Format("[{0}][{1}]", radioCall.CallSerialNumber, talkGroup.AlphaTag);
artist = string.Format("{0} ({1})", talkGroup.Identifier, talkGroup.Name);
comment = talkGroup.Description;
return(true);
}
catch (System.Exception)
{
return(false);
}
}
protected async Task <bool> PushCallToStreamAsync(RadioCall radioCall, CancellationToken cancellationToken = default(CancellationToken))
{
var tgStreams = await _client.GetStreamsByTalkGroupIdAsync(radioCall.TalkGroupId, cancellationToken);
if (tgStreams is null)
{
return(false);
}
var queueCallMessage = string.Format("queue.push {0}{1}", radioCall.Filename, Environment.NewLine);
foreach (var stream in tgStreams)
{
using (var mutex = new Mutex(true, $"SR_{stream.Id}"))
{
bool streamQueueResult = false;
try
{
mutex.WaitOne();
var socketPath = Path.Join(_liquidBridgeConfig.LiquidsoapSocketsPath, string.Format("{0}.sock", stream.StreamIdentifier));
if (!File.Exists(socketPath))
{
System.Console.WriteLine("Stream Socket missing, starting new stream...");
var streamConfigPath = _liquidBridgeConfig.BuildLiquidsoapConfig(stream.StreamIdentifier, stream.StreamIdentifier, radioCall?.TalkGroup?.Description, "Radio");
if (!await StartStreamAsync(streamConfigPath, () => File.Exists(socketPath), cancellationToken))
{
continue;
}
}
streamQueueResult = SendMessageToSocket(queueCallMessage, socketPath, cancellationToken) > 0;
}
catch (OperationCanceledException)
{
return(true);
}
catch (Exception e)
{
System.Console.WriteLine(e);
}
finally
{
if (streamQueueResult)
{
System.Console.WriteLine("{0} >> {1}", stream.StreamIdentifier, queueCallMessage);
}
else
{
System.Console.WriteLine("{0} XX Failed", stream.StreamIdentifier);
}
}
}
}
return(true);
}
public async Task <RadioCall> PostCallAsync(RadioCall radioCall, CancellationToken cancellationToken = default(CancellationToken))
{
if (radioCall is null)
{
throw new ArgumentNullException(nameof(radioCall));
}
var response = await _httpClient.PostAsJsonAsync("RadioCalls", radioCall, cancellationToken);
response.EnsureSuccessStatusCode();
return(await response.Content.ReadAsAsync <RadioCall>(cancellationToken));
}
private async Task HandleCallsActiveAsync(IEnumerable <Call> calls, CancellationToken cancellationToken = default(CancellationToken))
{
foreach (var call in calls)
{
var radioCall = await DbContext.RadioCalls.FirstOrDefaultAsync(c => c.CallIdentifier == call.Id);
if (radioCall == null)
{
radioCall = RadioCall.FromCall(call);
await DbContext
.RadioCalls.AddAsync(radioCall, cancellationToken);
}
else
{
radioCall.UpdateFromCall(call);
}
}
}
protected virtual void ConvertCallWavToMp3(RadioCall radioCall, CancellationToken cancellationToken = default(CancellationToken))
{
if (radioCall is null)
{
throw new ArgumentNullException(nameof(radioCall));
}
var inputFile = new FileInfo(radioCall.CallWavPath);
if (!inputFile.Exists)
{
throw new Exception("Missing input file");
}
var tempDir = Path.GetTempPath();
var outputPath = Path.Join(tempDir, string.Format("{0}.mp3", inputFile.Name.TrimEnd(inputFile.Extension.ToArray())));
string title = string.Empty;
string artist = string.Empty;
string comment = string.Empty;
if (!GetMetadata(radioCall, out title, out artist, out comment))
{
throw new Exception("Could not GetMetadata");
}
var lamePath = "/usr/bin/lame";
var lameArgs = string.Format("--quiet --preset voice --tt \"{0}\" --ta \"{1}\", --tc \"{2}\" {3} {4}", title, artist, comment, inputFile.FullName, outputPath);
//Execute Lame to convert, timeout after 20 seconds, success on result code 0
if (ExecuteProcess(lamePath, lameArgs, true, 20 * 1000) == 0)
{
radioCall.Filename = outputPath;
System.Console.WriteLine("Converted call to mp3: {0}", radioCall.Filename);
}
}
static void HandleUserCall(object sender, CallEventArgs e)
{
RadioCall call = e.Call;
string rssiStr = "";
if (!double.IsNaN(call.RSSI))
{
rssiStr = " RSSI " + call.RSSI;
DBRadio r = db.ReadRadio(call.From);
if (r == null)
{
r = new DBRadio(call.From.Int, call.RSSI);
}
else
{
r.AddReading(call.RSSI);
}
db.UpdateRadio(r);
}
if (call.IsAudio)
{
Console.WriteLine("Audio Call : {0} => {1} " + rssiStr, call.From, call.To);
AudioCall ac = (AudioCall)call;
string filename = String.Format(@"E:\RadioCalls\{0} - {1} to {2}.mp3", call.Start.ToString("yyyy-MM-ddTHH-mm-ss"), call.From.Int, call.To.Int);
try
{
ac.SaveToMP3(filename);
}
catch (Exception)
{
Console.WriteLine("Unable to decode audio!");
}
db.WriteVoiceCall(call.From, call.To, call.Start, call.End, call.RSSI, call.Slot, filename);
srv.PublishVoiceCall(call);
}
else
{
DataCall dc = (DataCall)call;
switch (dc.DataType)
{
case CallDataType.TMS:
if (dc.TextMessage.Type == MessageType.Ack)
{
Console.WriteLine("Text Message Ack : {0} => {1}" + rssiStr, call.From, call.To);
}
else if (dc.TextMessage != null)
{
Console.WriteLine("Text Message : {0} => {1} \"{2}\"" + rssiStr, call.From, call.To, dc.TextMessage.Message);
}
else
{
Console.WriteLine("Text Message : {0} => {1} unable to parse!" + rssiStr, call.From, call.To);
}
break;
case CallDataType.LRRP:
LRRPPacket pkt = dc.LRRPPacket;
if (pkt.Type == LRRPPacketType.ImmediateLocationResponse || pkt.Type == LRRPPacketType.TriggeredLocationData)
{
Console.WriteLine("Got LRRP Packet from {0} {1} {2}", call.From, pkt, rssiStr);
}
else
{
Console.WriteLine("Got LRRP Control Message: {0} => {1}" + rssiStr, call.From, call.To);
}
break;
case CallDataType.ICMP:
Console.WriteLine("Got ICMP Ping: {0} => {1}" + rssiStr, call.From, call.To);
break;
case CallDataType.RadioCheck:
Console.WriteLine("Got Radio Check: {0} => {1}" + rssiStr, call.From, call.To);
break;
case CallDataType.RadioCheckAck:
Console.WriteLine("Got Radio Check Ack: {0} => {1}" + rssiStr, call.From, call.To);
break;
case CallDataType.UnknownSmall:
case CallDataType.IPAck:
//Just ignore this
break;
default:
Console.WriteLine("Data Call Type is {0}", dc.DataType);
Console.WriteLine("Got Unknown radio call: {0} => {1}" + rssiStr, call.From, call.To);
Console.WriteLine(" " + BitConverter.ToString(call.Data));
break;
}
}
}
public async Task Test1()
{
var templateResource = (new FileInfo("Resources/stream.defaults.liq")).FullName;
var talkgroupsResource = (new FileInfo("Resources/danecom-talkgroups.priorities.csv")).FullName;
var liquidBridgeConfig = new LiquidBridgeConfig()
{
IcecastHost = "192.168.1.215",
IcecastPort = 8000,
StreamPassword = "******",
LiquidsoapSocketsPath = Path.Join(Directory.GetCurrentDirectory(), "ls-socks"),
LiquidsoapTemplatePath = templateResource,
ConnectionString = "http://127.0.0.1:8001/api/"
};
var expectedTalkGroupIdentifier = (ushort)13050;
var expectedCallIdentifier = (ulong)1594255860;
var expectedFrequency = 172075000;
var expectedOriginalExtension = "wav";
var expectedConvertedExtension = "mp3";
if (Directory.Exists(liquidBridgeConfig.LiquidsoapSocketsPath))
{
Directory.Delete(liquidBridgeConfig.LiquidsoapSocketsPath);
}
Directory.CreateDirectory(liquidBridgeConfig.LiquidsoapSocketsPath);
var tempDir = Path.GetTempPath();
var callWavPath = Path.Join(tempDir, string.Format("{0}-{1}_{2}.{3}", expectedTalkGroupIdentifier, expectedCallIdentifier, expectedFrequency, expectedOriginalExtension));
if (File.Exists(callWavPath))
{
File.Delete(callWavPath);
}
File.Create(callWavPath).Close();
var mockStream1 = new Stream()
{
Id = 1,
StreamIdentifier = "stream-1"
};
var mockStream2 = new Stream()
{
Id = 2,
StreamIdentifier = "stream-2"
};
var mockStream3 = new Stream()
{
Id = 3,
StreamIdentifier = "stream-3"
};
var mockTalkGroup = new TalkGroup()
{
Id = 1,
AlphaTag = "TGPALPHA",
Identifier = expectedTalkGroupIdentifier,
Name = "Tag Test Alpha (1)",
Description = "This channel is used for testing",
TalkGroupStreams = new Collection <TalkGroupStream>()
};
mockTalkGroup.TalkGroupStreams.Add(new TalkGroupStream()
{
TalkGroup = mockTalkGroup, TalkGroupId = mockTalkGroup.Id, Stream = mockStream1, StreamId = mockStream1.Id
});
mockTalkGroup.TalkGroupStreams.Add(new TalkGroupStream()
{
TalkGroup = mockTalkGroup, TalkGroupId = mockTalkGroup.Id, Stream = mockStream2, StreamId = mockStream2.Id
});
mockTalkGroup.TalkGroupStreams.Add(new TalkGroupStream()
{
TalkGroup = mockTalkGroup, TalkGroupId = mockTalkGroup.Id, Stream = mockStream3, StreamId = mockStream3.Id
});
var mockRadioCall = new RadioCall()
{
Id = 1,
TalkGroupId = mockTalkGroup.Id,
TalkGroup = mockTalkGroup,
CallIdentifier = expectedCallIdentifier.ToString(),
CallSerialNumber = (long)expectedCallIdentifier,
CallWavPath = callWavPath,
FrequencyHz = expectedFrequency,
Frequency = expectedFrequency
};
var clientMock = new Mock <ISignalRadioClient>();
clientMock
.Setup(c => c.GetTalkGroupByIdentifierAsync(expectedTalkGroupIdentifier, It.IsAny <CancellationToken>()))
.ReturnsAsync(mockTalkGroup);
clientMock
.Setup(c => c.PostCallAsync(It.IsAny <RadioCall>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(mockRadioCall);
var talkGroupStreams = new Collection <Stream>(mockTalkGroup.TalkGroupStreams.Select(t => t.Stream).ToList());
clientMock
.Setup(c => c.GetStreamsByTalkGroupIdAsync(mockTalkGroup.Id, It.IsAny <CancellationToken>()))
.ReturnsAsync(talkGroupStreams);
var handlerMock = new Mock <CallHandler>()
{
CallBase = true
};
handlerMock
.Protected()
.Setup <int>("ExecuteProcess", "/usr/bin/liquidsoap", ItExpr.IsAny <string>(), ItExpr.IsAny <bool>(), ItExpr.IsAny <int>())
.Returns(0); //return 0 for success
var handler = new CallHandler(liquidBridgeConfig, clientMock.Object);
await handler.HandleCallAsync(callWavPath);
}