private void RestServer_OnRestServerStopped(object sender, OnRestServerStoppedEventArgs e)
{
OnRestServerStopped?.Invoke(this, e);
}
/// <summary>
/// Will run the rest server
/// </summary>
public async void Run()
{
//Intialize endpoint rest jobs
//foreach (RestEndpoint endpoint in m_Endpoints)
//{
// endpoint.InitializeRestJob(m_CommManager);
//}
List <string> uriPrefixes = new List <string>();
uriPrefixes.Add(m_PrefixAddress);
uriPrefixes.AddRange(m_Endpoints.Select(c =>
{
if (c.IsQueryAddress)
{
return(m_PrefixAddress + c.PreQueryAddress);
}
else if (c.IsTemplateAddress)
{
return(m_PrefixAddress + c.PreTemplateAddress);
}
else
{
return(m_PrefixAddress + c.Address);
}
}));
//insure the uri prefixes have ending slashes
for (int i = 0; i < uriPrefixes.Count; i++)
{
if (uriPrefixes[i].Last() != '/' && uriPrefixes[i].Last() != '\\')
{
uriPrefixes[i] += "/";
}
}
m_IsServerRunning = true;
TraceWriteLine($"Rest Server {m_ServerName} adding listener bindings");
// Add the server bindings:
foreach (var prefix in uriPrefixes)
{
TraceWriteLine($"Rest Server {m_ServerName} adding listener binding for prefix {prefix}");
listener.Prefixes.Add(prefix);
}
if (m_UseBasicAuth)
{
listener.AuthenticationSchemes = AuthenticationSchemes.Basic;
}
TraceWriteLine($"Rest Server {m_ServerName} initializing listener");
bool retryStart = false;
int retryCount = 0;
int maxRetry = 15;
do
{
try
{
listener.Start();
retryStart = false;
}
catch (HttpListenerException ex)
{
TraceWriteLine($"Rest Server {m_ServerName} failed to start with exception {ex.Message}");
if (ex.Message == "Access is denied")
{
TraceWriteLine($"Rest Server {m_ServerName} failed to start due to lack of permissions, restart the application as Administrator.");
retryStart = false;
OnRestServerStopped?.Invoke(this, new OnRestServerStoppedEventArgs(m_RestServerData));
return;
}
else if (retryCount < maxRetry)
{
retryStart = true;
retryCount++;
TraceWriteLine($"Retrying Rest Server {m_ServerName} start, retry count {retryCount}");
Thread.Sleep(1000);
}
else
{
TraceWriteLine($"Retried Rest Server {m_ServerName} start {retryCount} times, throwing failed to start exception");
retryStart = false;
//throw new RestServerDataException(m_RestServerData, "", $"Rest Server {m_ServerName} failed to start after {retryCount} retries.\n{ex.ToString()}");
OnRestServerStopped?.Invoke(this, new OnRestServerStoppedEventArgs(m_RestServerData));
return;
}
}
} while (retryStart);
TraceWriteLine($"Rest Server {m_ServerName} initialized listener");
//Accept connections:
//1. Higher values mean more connections can be maintained yet at a
// much slower average response time; fewer connections will be rejected.
//2. Lower values mean less connections can be maintained yet at a
// much faster average response time; more connections will be rejected.
sem = new Semaphore(m_ConcurrentConnections, m_ConcurrentConnections);
try
{
await RunServer();
}
catch (Exception ex)
{
TraceWriteLine(ex.ToString());
}
finally
{
m_IsServerRunning = false;
if (!m_IsCloseRequested)
{
listener.Stop();
}
}
OnRestServerStopped?.Invoke(this, new OnRestServerStoppedEventArgs(m_RestServerData));
}
