/// <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());
}
/// <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());
}
/// <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());
}