/// <summary>
/// Send a HL7 message
/// </summary>
/// <param name="message">Message to send</param>
/// <returns>Reply message</returns>
public string SendHL7Message(string message)
{
message = MLLP.CreateMLLPMessage(message);
// Send the message
StreamWriter sw = new StreamWriter(streamToUse);
sw.Write(message);
sw.Flush();
// Read the reply
StringBuilder sb = new StringBuilder();
bool messageComplete = false;
while (!messageComplete)
{
int b = streamToUse.ReadByte();
if (b != -1)
{
sb.Append((char)b);
}
messageComplete = MLLP.ValidateMLLPMessage(sb);
}
MLLP.StripMLLPContainer(sb);
return(sb.ToString());
}
public async Task M_EasyCLientSendsCommandToHL7InterfaceWaitAckAndResponse()
{
HL7InterfaceBase hl7Interface = new HL7InterfaceBase();
AutoResetEvent ackReceived = new AutoResetEvent(false);
AutoResetEvent commandResponseReceived = new AutoResetEvent(false);
HL7Server serverSide = new HL7Server();
Assert.IsTrue(serverSide.Setup("127.0.0.1", 50060));
Assert.IsTrue(hl7Interface.Initialize(serverSide, new HL7ProtocolBase(new HL7ProtocolConfig())));
Assert.That(hl7Interface.Start());
hl7Interface.NewRequestReceived += (s, e) =>
{
string response = MLLP.CreateMLLPMessage((new PrepareForSpecimenResponse()).Encode());
byte[] dataToSend = Encoding.ASCII.GetBytes(response);
s.Send(dataToSend, 0, dataToSend.Length);
};
PrepareForSpecimenRequest request = new PrepareForSpecimenRequest();
EasyClient client = new EasyClient();
client.Initialize(new ReceiverFilter(new HL7ProtocolBase()), (packageInfo) =>
{
if (packageInfo.Request.IsAcknowledge)
{
Assert.That(packageInfo.Request is GeneralAcknowledgment);
Assert.That(HL7Parser.IsAckForRequest(request, packageInfo.Request));
ackReceived.Set();
}
else
{
Assert.IsTrue(packageInfo.Request is PrepareForSpecimenResponse);
commandResponseReceived.Set();
}
});
Assert.That(client.ConnectAsync(endPointA).Result);
byte[] bytesToSend = Encoding.ASCII.GetBytes(MLLP.CreateMLLPMessage(request.Encode()));
client.Send(bytesToSend);
Assert.That(ackReceived.WaitOne());
Assert.That(commandResponseReceived.WaitOne());
await client.Close();
serverSide.Stop();
hl7Interface.Stop();
}
public async Task I_HL7InterfaceSendsMessageToHL7ServerWaitAckAndResponseTest()
{
HL7InterfaceBase hl7Interface = new HL7InterfaceBase();
HL7Server server = new HL7Server();
AutoResetEvent requestReceived = new AutoResetEvent(false);
HL7ProtocolBase protocol = new HL7ProtocolBase(new HL7ProtocolConfig()
{
IsAckRequired = true,
IsResponseRequired = true,
AckTimeout = 10000,
ResponseTimeout = 50000
});
HL7Server serverSide = new HL7Server();
serverSide.Setup("127.0.0.1", 50060);
server.Setup("127.0.0.1", 2012);
server.Start();
hl7Interface.Initialize(serverSide, protocol);
hl7Interface.Start();
server.NewRequestReceived += (e, s) =>
{
Assert.That(s.Request is PrepareForSpecimenRequest);
requestReceived.Set();
Thread.Sleep(500);
byte[] bytesToSend = Encoding.ASCII.GetBytes(MLLP.CreateMLLPMessage((new PrepareForSpecimenResponse()).Encode()));
e.Send(bytesToSend, 0, bytesToSend.Length);
};
bool connected = await hl7Interface.ConnectAsync(new IPEndPoint(IPAddress.Parse("127.0.0.1"), 2012));
Assert.That(connected);
HL7Request req = await hl7Interface.SendHL7MessageAsync(new PrepareForSpecimenRequest());
Assert.IsNotNull(req);
Assert.That(req.Acknowledgment is GeneralAcknowledgment);
Assert.That(req.Acknowledgment.IsAckForRequest(req.Request));
Assert.That(req.Acknowledgment.GetValue("MSA-1") == "AA");
Assert.IsNotNull(req.Response);
Assert.That(req.Response.IsResponseForRequest(req.Request));
requestReceived.WaitOne();
server.Stop();
hl7Interface.Stop();
}
static void Send()
{
string content = @"MSH|^~\&|PEIS||EAI||20190320182547||ZMG^Z30|PEIS_3468011|P|2.4|||AL|AL|CHN PID|1901090088|0000558984|0000558984^^^^IDCard~431002198702161010^^^^IdentifyNO||张洵||19870216|M|||||||||||||||||||||||||||||| PV1|1|T|^^^2400^健康管理中心|||||||||||||0|001921^李东霞|01|1901090088|||||||||0||||||||||||||||20190320182547|||||||0 ORC|NW|T1484237^^1901090088^o|T190109008800095159|1901090088|1||||20190320182547|001921||001921^李东霞|||20190320182547||2400^健康管理中心 OBR|4|||F00000095159^一般健康体检^WZ|||||||||||||||||||45| ZDS||||F00000017022|||||||||||||||||||||||1||||||||||||||||||1|| ";
content = MLLP.CreateMLLPMessage(content);
var buffer = Encoding.UTF8.GetBytes(content);
var temp = socketClient.Send(buffer);
Console.WriteLine(temp);
Console.WriteLine("发送成功");
}
public async Task SendMessageAsync(string message)
{
message = MLLP.CreateMLLPMessage(message);
var buffer = Encoding.ASCII.GetBytes(message);
await _networkStream.WriteAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
await _networkStream.FlushAsync().ConfigureAwait(false);
var responseBuffer = new byte[4096];
int responseLength = await _networkStream.ReadAsync(responseBuffer, 0, responseBuffer.Length).ConfigureAwait(false);
}
public async Task L_EasyClientSendsCommandToHL7InterfaceAndWaitAck()
{
HL7InterfaceBase hl7Interface = new HL7InterfaceBase();
AutoResetEvent ackReceived = new AutoResetEvent(false);
AutoResetEvent commandResponseReceived = new AutoResetEvent(false);
HL7ProtocolBase protocol = new HL7ProtocolBase(new HL7ProtocolConfig()
{
IsAckRequired = true,
IsResponseRequired = true
});
HL7Server serverSide = new HL7Server();
Assert.IsTrue(serverSide.Setup("127.0.0.1", 50060));
Assert.IsTrue(hl7Interface.Initialize(serverSide, protocol));
Assert.That(hl7Interface.Start());
PrepareForSpecimenRequest request = new PrepareForSpecimenRequest();
EasyClient client = new EasyClient();
client.Initialize(new ReceiverFilter(new HL7ProtocolBase()), (packageInfo) =>
{
if (packageInfo.Request.IsAcknowledge)
{
Assert.That(packageInfo.Request is GeneralAcknowledgment);
Assert.That(HL7Parser.IsAckForRequest(request, packageInfo.Request));
ackReceived.Set();
}
else
{
Assert.Fail();
}
});
Assert.That(client.ConnectAsync(endPointA).Result);
byte[] bytesToSend = Encoding.ASCII.GetBytes(MLLP.CreateMLLPMessage(request.Encode()));
client.Send(bytesToSend);
Assert.That(ackReceived.WaitOne(timeout));
await client.Close();
hl7Interface.Stop();
}
private bool SendAndWaitForAck(HL7Request hl7Request, ref int ackRetries)
{
m_HL7Server.Logger.Info($"Sending {hl7Request.Request.ControlID}");
GlobalWatch.Restart();
m_EasyClient.Send(Encoding.ASCII.GetBytes(MLLP.CreateMLLPMessage(hl7Request.Request.Encode())));
m_HL7Server.Logger.Info($"Sent {hl7Request.Request.ControlID}");
string logMessage = string.Empty;
logMessage = $"{hl7Request.Request.MessageID} sent (Ack RETRY) [{m_HL7Protocol.Config.MaxAckRetriesNumber}, {ackRetries}]";
if (!Protocol.Config.IsAckRequired)
{
return(true);
}
if (!m_OutgoingRequests.Contains(hl7Request))
{
throw new OperationCanceledException("");
}
if (hl7Request.RequestCancellationToken.Token.IsCancellationRequested)
{
throw new OperationCanceledException(hl7Request.RequestCancellationToken.Token);
}
hl7Request.RequestCancellationToken.Token.ThrowIfCancellationRequested();
m_HL7Server.Logger.Info($"Waiting for ack {hl7Request.Request.ControlID}");
if (!hl7Request.AckReceivedEvent.Wait(Protocol.Config.AckTimeout, hl7Request.RequestCancellationToken.Token))
{
m_HL7Server.Logger.Info($"Ack received: {hl7Request.Request.ControlID}");
if (ackRetries-- > 0)
{
return(false);
}
else
{
throw new HL7InterfaceException($"The message was not acknowledged after a total number of {m_HL7Protocol.Config.MaxAckRetriesNumber} retries");
}
}
return(true);
}
public async Task E_EasyClientSendsHL7MessageToHL7InterfaceAndReceivesAck()
{
HL7InterfaceBase hl7Interface = new HL7InterfaceBase();
AutoResetEvent newRequestReceived = new AutoResetEvent(false);
Assert.IsTrue(hl7Interface.Initialize());
Assert.IsTrue(hl7Interface.Start());
PrepareForSpecimenRequest equipmentCommandRequest = new PrepareForSpecimenRequest();
hl7Interface.HL7Server.NewRequestReceived += (hl7Session, hl7Request) =>
{
Assert.That(hl7Request is HL7Request);
Assert.IsTrue(hl7Request.Request is PrepareForSpecimenRequest);
Assert.That(hl7Session.Connected);
};
EasyClient client = new EasyClient();
var tcs = new TaskCompletionSource <IHL7Message>();
client.Initialize(new ReceiverFilter(new HL7ProtocolBase()), (packageInfo) =>
{
tcs.SetResult(packageInfo.Request);
});
Assert.That(await client.ConnectAsync(endPointA));
byte[] data = Encoding.ASCII.GetBytes(MLLP.CreateMLLPMessage(equipmentCommandRequest.Encode()));
client.Send(data);
var result = await tcs.Task;
Assert.IsTrue(result.IsAcknowledge);
Assert.IsTrue(HL7Parser.IsAckForRequest(equipmentCommandRequest, result));
await client.Close();
hl7Interface.Stop();
}
/// <summary>
/// Send a HL7 message
/// </summary>
/// <param name="message">Message to send</param>
/// <returns>Reply message</returns>
public string SendHL7Message(string message)
{
message = MLLP.CreateMLLPMessage(message);
// Send the message
StreamWriter sw = new StreamWriter(streamToUse);
sw.Write(message);
sw.Flush();
var stopwatch = new Stopwatch();
if (ReceiveTimeoutInSeconds > 0)
{
stopwatch.Start();
}
// Read the reply
StringBuilder sb = new StringBuilder();
bool messageComplete = false;
while (!messageComplete)
{
int b = streamToUse.ReadByte();
if (b != -1)
{
sb.Append((char)b);
}
messageComplete = MLLP.ValidateMLLPMessage(sb);
if (ReceiveTimeoutInSeconds > 0)
{
if (stopwatch.ElapsedMilliseconds / 1000 > ReceiveTimeoutInSeconds)
{
messageComplete = true;
stopwatch.Stop();
return(string.Format("Timed out waiting for response after {0} seconds", ReceiveTimeoutInSeconds));
}
}
}
MLLP.StripMLLPContainer(sb);
return(sb.ToString());
}
public async Task F_HL7InterfaceReceivesHL7MessageSendsAResponseToEasyClient()
{
HL7InterfaceBase hl7Interface = new HL7InterfaceBase();
AutoResetEvent newRequestReceived = new AutoResetEvent(false);
Assert.IsTrue(hl7Interface.Initialize());
Assert.IsTrue(hl7Interface.Start());
PrepareForSpecimenRequest equipmentCommandRequest = new PrepareForSpecimenRequest();
hl7Interface.HL7Server.NewSessionConnected += (hl7Session) =>
{
Assert.That(hl7Session.Connected);
string response = MLLP.CreateMLLPMessage((new PrepareForSpecimenResponse()).Encode());
byte[] dataToSend = Encoding.ASCII.GetBytes(response);
hl7Session.Send(dataToSend, 0, dataToSend.Length);
};
EasyClient client = new EasyClient();
var tcs = new TaskCompletionSource <IHL7Message>();
client.Initialize(new ReceiverFilter(new HL7ProtocolBase()), (packageInfo) =>
{
tcs.SetResult(packageInfo.Request);
});
Assert.That(await client.ConnectAsync(endPointA));
var result = await tcs.Task;
Assert.IsTrue(result is PrepareForSpecimenResponse);
await client.Close();
hl7Interface.Stop();
}
public async Task J_EasyClientSendsCommandToHL7ServerAndWaitAck()
{
AutoResetEvent ackReceived = new AutoResetEvent(false);
HL7Server hl7Server = new HL7Server();
hl7Server.Setup("127.0.0.1", 50060);
hl7Server.Start();
PrepareForSpecimenRequest request = new PrepareForSpecimenRequest();
EasyClient client = new EasyClient();
client.Initialize(new ReceiverFilter(new HL7ProtocolBase()), (packageInfo) =>
{
if (packageInfo.Request.IsAcknowledge)
{
Assert.That(packageInfo.Request is GeneralAcknowledgment);
Assert.That(HL7Parser.IsAckForRequest(request, packageInfo.Request));
ackReceived.Set();
}
else
{
Assert.Fail();
}
});
Assert.That(client.ConnectAsync(endPointA).Result);
Assert.That(client.IsConnected);
byte[] bytesToSend = Encoding.ASCII.GetBytes(MLLP.CreateMLLPMessage(request.Encode()));
client.Send(bytesToSend);
Assert.That(ackReceived.WaitOne());
await client.Close();
hl7Server.Stop();
}
protected override HL7RequestInfo ProcessMatchedRequest(byte[] readBuffer, int offset, int length)
{
byte[] msg = new byte[length];
Array.Copy(readBuffer, offset, msg, offset, length);
string result = System.Text.UTF8Encoding.UTF8.GetString(msg);
// Remove the begin and end marks
if (result.Length > 3)
{
StringBuilder sb = new StringBuilder(result);
MLLP.StripMLLPContainer(sb);
result = sb.ToString();
}
// Remove empty space at the end of the message
result = result.TrimEnd(new char[] { ' ', '\r', '\n' });
HL7RequestInfoParser parser = new HL7RequestInfoParser();
return(parser.ParseRequestInfo(result, "MLLP"));
}
/// <summary>
/// Send a HL7 message
/// </summary>
/// <param name="message">Message to send</param>
/// <param name="timeout">Read timeout, throws exception when receiving no data until timeout</param>
/// <returns>Reply message</returns>
/// <exception cref="TimeoutException">throws exception on read timeout</exception>
public string SendHL7Message(string message, double timeout = 30000)
{
message = MLLP.CreateMLLPMessage(message);
// Send the message
StreamWriter sw = new StreamWriter(streamToUse, encodingForStream);
sw.Write(message);
sw.Flush();
// Read the reply
StringBuilder sb = new StringBuilder();
bool messageComplete = false;
DateTime startReadingTime = DateTime.Now;
while (!messageComplete)
{
int b = streamToUse.ReadByte();
if (b != -1)
{
sb.Append((char)b);
}
messageComplete = MLLP.ValidateMLLPMessage(sb);
if (b > 0) // reset start reading time for timout check
{
startReadingTime = DateTime.Now;
}
if (!messageComplete && DateTime.Now.Subtract(startReadingTime).TotalMilliseconds > timeout)
{
throw new TimeoutException($"Reading the HL7 reply timed out after {timeout} milliseconds.");
}
}
MLLP.StripMLLPContainer(sb);
return(sb.ToString());
}
/// <summary>
/// Send
/// </summary>
/// <param name="message"></param>
public override void Send(string message)
{
message = MLLP.CreateMLLPMessage(message);
base.Send(message);
}
