/// <summary>
/// Adds a new web event to the server.
/// </summary>
/// <param name="webEvent">The web event and corresponding data that the server will handle.</param>
/// <returns>A Boolean value that indicates whether the <see cref="WebEvent"/> could be added, <b>true</b> if added,
/// <b>false</b>, if webEvent already exists. </returns>
internal bool AddWebEvent(WebEvent webEvent)
{
if (!WebEvents.Contains(webEvent.GetWebEventId()))
{
WebEvents.Add(webEvent.GetWebEventId(), webEvent);
return(true);
}
return(false);
}
/// <summary>
/// Creates a path on the server so that an http GET request can be processed.
/// Specifies a path of the form: http://{IP}:{port}/{path}.
/// </summary>
/// <param name="path">The path used to identify a resource.</param>
/// <returns>A <see cref="T:GTM.NetworkModule.WebEvent"/> object that is used to update data and respond to incoming requests.
/// </returns>
public static WebEvent SetupWebEvent(string path)
{
WebEvent webEvent = WebServerManager.GetInstance().GetWebEventById(path);
if (webEvent == null)
{
webEvent = new WebEvent(path);
}
return(webEvent);
}
/// <summary>
/// Creates a path to a resource on the server so that a http GET requests can be processed.
/// Specifies the path of the form: http://{IP}:{port}/{path}.
/// </summary>
/// <param name="path">The path used to identify a resource.</param>
/// <param name="refreshAfter">Specifies the refresh interval in seconds.</param>
/// <returns>A <see cref="WebEvent"/> object that is used to update data and respond to incoming requests.
/// </returns>
public static WebEvent SetupWebEvent(string path, uint refreshAfter)
{
WebEvent webEvent = WebServerManager.GetInstance().GetWebEventById(path);
if (webEvent == null)
{
webEvent = new WebEvent(path);
}
webEvent.refreshAfter = refreshAfter;
return(webEvent);
}
/// <summary>
/// Stops and removes the given <see cref="WebEvent"/>.
/// </summary>
/// <param name="webEvent">The <see cref="WebEvent"/> to stop.</param>
/// <returns>Returns <b>true</b> if the <see cref="WebEvent"/> exists and can be removed, <b>false</b> if <see cref="WebEvent"/>
/// does not exist or cannot be stopped.</returns>
public bool Stop(WebEvent webEvent)
{
if (WebEvents.Contains(webEvent.GetWebEventId()))
{
WebEvents.Remove(webEvent.GetWebEventId());
return(true);
}
// Debug.Print("Service not found");
return(false);
}
/// <summary>
/// Creates a path on the server so that an http GET request can be processed.
/// Specifies a path of the form: http://{IP}:{port}/{path}.
/// </summary>
/// <param name="path">The path used to identify a resource.</param>
/// <returns>A <see cref="T:GTM.NetworkModule.WebEvent"/> object that is used to update data and respond to incoming requests.
/// </returns>
public static WebEvent SetupWebEvent(string path)
{
WebEvent webEvent = WebServerManager.GetInstance().GetWebEventById(path);
if (webEvent == null)
{
webEvent = new WebEvent(path);
}
return webEvent;
}
///<summary>
/// Stops and removes a single resource. If the resource is requested again, the server will return the default page.
///</summary>
///<param name="webEvent">The <see cref="WebEvent"/> to be stopped</param>
///<returns>The result of the operation, <b>true</b> if the resource is found and removed, otherwise <b>false</b>.</returns>
public static bool DisableWebEvent(WebEvent webEvent)
{
return WebServerManager.GetInstance().Stop(webEvent);
}
/// <summary>
/// Creates a path to a resource on the server so that a http GET requests can be processed.
/// Specifies the path of the form: http://{IP}:{port}/{path}.
/// </summary>
/// <param name="path">The path used to identify a resource.</param>
/// <param name="refreshAfter">Specifies the refresh interval in seconds.</param>
/// <returns>A <see cref="WebEvent"/> object that is used to update data and respond to incoming requests.
/// </returns>
public static WebEvent SetupWebEvent(string path, uint refreshAfter)
{
WebEvent webEvent = WebServerManager.GetInstance().GetWebEventById(path);
if (webEvent == null)
{
webEvent = new WebEvent(path);
}
webEvent.refreshAfter = refreshAfter;
return webEvent;
}
/// <summary>
/// Stops and removes the given <see cref="WebEvent"/>.
/// </summary>
/// <param name="webEvent">The <see cref="WebEvent"/> to stop.</param>
/// <returns>Returns <b>true</b> if the <see cref="WebEvent"/> exists and can be removed, <b>false</b> if <see cref="WebEvent"/>
/// does not exist or cannot be stopped.</returns>
public bool Stop(WebEvent webEvent)
{
if (WebEvents.Contains(webEvent.GetWebEventId()))
{
WebEvents.Remove(webEvent.GetWebEventId());
return true;
}
// Debug.Print("Service not found");
return false;
}
/// <summary>
/// Adds a new web event to the server.
/// </summary>
/// <param name="webEvent">The web event and corresponding data that the server will handle.</param>
/// <returns>A Boolean value that indicates whether the <see cref="WebEvent"/> could be added, <b>true</b> if added,
/// <b>false</b>, if webEvent already exists. </returns>
internal bool AddWebEvent(WebEvent webEvent)
{
if (!WebEvents.Contains(webEvent.GetWebEventId()))
{
WebEvents.Add(webEvent.GetWebEventId(), webEvent);
return true;
}
return false;
}
///<summary>
/// Stops and removes a single resource. If the resource is requested again, the server will return the default page.
///</summary>
///<param name="webEvent">The <see cref="WebEvent"/> to be stopped</param>
///<returns>The result of the operation, <b>true</b> if the resource is found and removed, otherwise <b>false</b>.</returns>
public static bool DisableWebEvent(WebEvent webEvent)
{
return(WebServerManager.GetInstance().Stop(webEvent));
}
/// <summary>
/// Processes incoming requests
/// </summary>
protected void ProcessRequest()
{
// accept an incoming connection request and once we have one, spawn a new thread to accept more
bool newThread = false;
System.Net.Sockets.Socket clientSocket = null;
Responder responder = null;
while (IsRunning && !newThread)
{
try
{
// process incoming request
clientSocket = LocalServer.Accept();
clientSocket.ReceiveTimeout = Timeout;
clientSocket.SendTimeout = Timeout;
// parse message an create an object containing parsed data
responder = new Responder();
responder.ClientEndpoint = clientSocket.RemoteEndPoint.ToString();
responder.ClientSocket = clientSocket;
Debug.Print("Accepted connection from " + responder.ClientEndpoint);
Thread t = new Thread(new ThreadStart(ProcessRequest));
t.Start();
newThread = true;
}
catch
{
if (clientSocket != null)
{
try
{
clientSocket.Close();
}
catch { }
}
}
}
// now process the request
try
{
bool finishedParsing = false;
TimeSpan parseStart = Gadgeteer.Timer.GetMachineTime();
while (!finishedParsing)
{
if (Gadgeteer.Timer.GetMachineTime() - parseStart > MaxProcessingTime)
{
return;
}
if (clientSocket == null)
{
return;
}
// receiving data, add to an array to process later
byte[] buffer = new byte[clientSocket.Available];
clientSocket.Receive(buffer);
finishedParsing = responder.parse(buffer);
}
// trigger event to get response
WebEvent webevent = null;
if (responder.Path != null && responder.Path.Length > 1)
{
webevent = serverManager.GetWebEventById(responder.Path);
}
if (webevent == null)
{
webevent = serverManager.DefaultEvent;
}
responder.webEvent = webevent;
webevent.OnWebEventReceived(responder.Path, responder.HttpMethod, responder);
}
catch
{
}
}
