private static async Task Discover()
{
using (var server = new System.Net.Sockets.UdpClient(8888))
{
var responseData = System.Text.Encoding.ASCII.GetBytes($"port: {Port}|id: {ServerId:D}");
while (!_stopping)
{
try
{
var clientRequestData = await server.ReceiveAsync(); // (ref clientEp);
var clientRequest = System.Text.Encoding.ASCII.GetString(clientRequestData.Buffer);
if (clientRequest == "sync-service")
{
Console.WriteLine("Request from {0}, sending discover response", clientRequestData.RemoteEndPoint.Address);
await server.SendAsync(responseData, responseData.Length, clientRequestData.RemoteEndPoint);
}
else
{
Console.WriteLine("Request from {0} invalid {1}", clientRequestData.RemoteEndPoint.Address, clientRequest);
await server.SendAsync(responseData, responseData.Length, clientRequestData.RemoteEndPoint);
}
}
catch (Exception e)
{
Console.WriteLine($"Failed on discovery: {e}");
await Task.Delay(2000);
}
}
}
}
/// <summary>Sends a UDP message to the specified IP address and Port.</summary>
/// <param name="mySendIP">IP address to send the data to.</param>
/// <param name="myClient">The UDP Client to send to.</param>
/// <param name="mySendPort">Port to send the data on.</param>
public async void SendUdp(System.Net.Sockets.UdpClient myClient, System.Net.IPAddress mySendIP, int mySendPort)
{
try {
System.Net.IPEndPoint myEndPoint = new System.Net.IPEndPoint(mySendIP, mySendPort);
await myClient.SendAsync(Buffer, BytePeek, myEndPoint);
} catch (System.Exception) {}
}
public async Task Write(List <LogEntry> logEntries)
{
foreach (var msg in logEntries)
{
byte[] sendBytes = System.Text.Encoding.ASCII.GetBytes(msg.Message);
await _udpClient.SendAsync(sendBytes, sendBytes.Length, _host, _port);
}
}
public async Task <int> SendAsync(byte[] data)
{
using (var udpClient = new System.Net.Sockets.UdpClient())
{
var result = await udpClient.SendAsync(data, data.Length, host, port).ConfigureAwait(false);
return(result);
}
}
private static void Main(string[] args)
{
byte[] toDisplay = null;
var consoleUpdater = Task.Run(async() =>
{
while (true)
{
if (toDisplay != null)
{
Console.SetCursorPosition(0, 0);
Console.Write(StatusScreen(toDisplay));
toDisplay = null;
}
await Task.Delay(300);
}
});
var ipEndPoint = new IPEndPoint(IPAddress.Loopback, FORZA_DATA_OUT_PORT);
var senderClient = new System.Net.Sockets.UdpClient(FORZA_HOST_PORT);
var senderTask = Task.Run(async() =>
{
while (true)
{
Console.WriteLine("Sending heartbeat");
await senderClient.SendAsync(new byte[1], 1, ipEndPoint);
await Task.Delay(5000);
}
});
var receiverTask = Task.Run(async() =>
{
Console.Clear();
var client = new System.Net.Sockets.UdpClient(FORZA_DATA_OUT_PORT);
Console.WriteLine("Listening... ");
while (true)
{
await client.ReceiveAsync().ContinueWith(receive =>
{
var resultBuffer = receive.Result.Buffer;
if (resultBuffer.Length != 311 || toDisplay != null)
{
return;
}
var stuff = new byte[resultBuffer.Length];
resultBuffer.CopyTo(stuff, 0);
toDisplay = stuff;
});
}
});
Task.WaitAll(senderTask, receiverTask, consoleUpdater);
}
public ReplyData GetReply(InputData data)
{
byte[] inputBuffer = ByteArray.CreateFrom(data);
server.SendAsync(inputBuffer, inputBuffer.Length, destination).Wait();
var message = replySocket.ReceiveAsync().Result.Buffer;
var replyData = message.ConvertTo <ReplyData>();
return(replyData);
}
public async Task SendAsync(byte[] data, int index, int count)
{
if (index != 0) //Should never happen?
{
var newData = new byte[count];
Buffer.BlockCopy(data, index, newData, 0, count);
data = newData;
}
await _udp.SendAsync(data, count, _destination).ConfigureAwait(false);
}
public Task <int> WriteAsync(byte[] buffer, int start, int length)
{
return(_udpClient.SendAsync(buffer, buffer.Length, _serverEndPoint));
}
static void Main(string[] args)
{
//接続先のIPアドレスを入力
Console.Write("接続先IPアドレス：");
string remoteHost = Console.ReadLine();
//String型のIPアドレスをIPAddress型にParse
IPAddress remoteAddress;
if (IPAddress.TryParse(remoteHost, out remoteAddress) == false)
{
Console.WriteLine("正しくないIPアドレスが入力されました");
// 終了
Environment.Exit(-1);
}
//IPエンドポイントを生成
var remoteEndPoint = new IPEndPoint(remoteAddress, remotePort);
var localEndPoint = new IPEndPoint(IPAddress.Any, localPort);
//UdpClientオブジェクトを生成
var udp = new System.Net.Sockets.UdpClient(localEndPoint);
using (var waveIn = new WaveInEvent())
{
//総送信バイト数を保持する変数
long count = 0;
//入力バッファのサイズを設定(20ms)
waveIn.BufferMilliseconds = 20;
//G.722コーデックを用意
var codec = new NAudio.Codecs.G722Codec();
var codecState = new NAudio.Codecs.G722CodecState(64000, NAudio.Codecs.G722Flags.None);
//音声データ利用可能時の処理(非同期)
waveIn.DataAvailable += async(_, e) =>
{
//-- 送信処理 --
byte[] bufferedBytes = new byte[e.BytesRecorded];
Array.Copy(e.Buffer, bufferedBytes, e.BytesRecorded);
short[] bufferedData = Convert16BitToShort(bufferedBytes);
byte[] encodedBytes = new byte[e.BytesRecorded];
int encodedLength = codec.Encode(codecState, encodedBytes, bufferedData, bufferedData.Length);
byte[] bufferToSend = new byte[bufsize];
for (int i = 0; i < encodedLength; i += bufsize)
{
if (encodedLength > i + bufsize)
{
//バッファ内のデータがペイロードサイズ以上
Array.Copy(encodedBytes, i, bufferToSend, 0, bufsize);
await udp.SendAsync(bufferToSend, bufferToSend.Length, remoteEndPoint);
}
else
{
//バッファ内のサイズがペイロードサイズ以下
Array.Copy(encodedBytes, i, bufferToSend, 0, encodedLength - i);
await udp.SendAsync(bufferToSend, encodedLength - i, remoteEndPoint);
}
}
count += encodedLength;
Console.WriteLine(count);
await Task.Delay(10);
};
//入力フォーマット設定(16kHz, 16bit, 1ch)
waveIn.WaveFormat = new WaveFormat(16000, 16, 1);
//音声の取得開始
waveIn.StartRecording();
Console.WriteLine("Press ENTER to quit...");
Console.ReadLine();
//音声の取得終了
waveIn.StopRecording();
}
udp.Close();
Console.WriteLine("Program ended successfully.");
}
/// <summary>
/// UDP音声パケットの送信を開始します
/// </summary>
/// <param name="remoteAddress">リモートIPアドレス</param>
/// <param name="cancellTokenSource">受信を停止するためのCancellationTokenSource</param>
/// <returns></returns>
public async Task StartSendAsync(IPAddress remoteAddress, CancellationTokenSource cancellTokenSource)
{
//IPエンドポイントを生成
var remoteEndPoint = new IPEndPoint(remoteAddress, RemotePort);
var localEndPoint = new IPEndPoint(IPAddress.Any, LocalPort);
//UdpClientオブジェクトを生成
var udp = new System.Net.Sockets.UdpClient(localEndPoint);
using (var waveIn = new WaveInEvent())
{
//入力バッファのサイズを設定(20ms)
waveIn.BufferMilliseconds = 20;
//G.722コーデックを用意
var codec = new NAudio.Codecs.G722Codec();
var codecState = new NAudio.Codecs.G722CodecState(64000, NAudio.Codecs.G722Flags.None);
//音声データ利用可能時の処理(非同期)
waveIn.DataAvailable += async(_, e) =>
{
//-- 送信処理 --
byte[] bufferedBytes = new byte[e.BytesRecorded];
Array.Copy(e.Buffer, bufferedBytes, e.BytesRecorded);
short[] bufferedData = Convert16BitToShort(bufferedBytes);
byte[] encodedBytes = new byte[e.BytesRecorded];
int encodedLength = codec.Encode(codecState, encodedBytes, bufferedData, bufferedData.Length);
byte[] bufferToSend = new byte[MaxPacketPayloadSize];
for (int i = 0; i < encodedLength; i += MaxPacketPayloadSize)
{
if (encodedLength > i + MaxPacketPayloadSize)
{
//バッファ内のデータがペイロードサイズ以上
Array.Copy(encodedBytes, i, bufferToSend, 0, MaxPacketPayloadSize);
await udp.SendAsync(bufferToSend, bufferToSend.Length, remoteEndPoint);
}
else
{
//バッファ内のサイズがペイロードサイズ以下
Array.Copy(encodedBytes, i, bufferToSend, 0, encodedLength - i);
await udp.SendAsync(bufferToSend, encodedLength - i, remoteEndPoint);
}
}
await Task.Delay(10);
};
//入力フォーマット設定(16kHz, 16bit, 1ch)
waveIn.WaveFormat = new WaveFormat(16000, 16, 1);
//音声の取得開始
waveIn.StartRecording();
while (true)
{
if (cancellTokenSource.IsCancellationRequested)
{
break;
}
await Task.Delay(100);
}
//音声の取得終了
waveIn.StopRecording();
}
udp.Close();
}
public void Write(string msg)
{
byte[] sendBytes = System.Text.Encoding.ASCII.GetBytes(msg);
_udpClient.SendAsync(sendBytes, sendBytes.Length, _host, _port);
}
