// Event handlers
// Implement the route handlers by reading the HTTP method/headers/entity-body and
// performing the corresponding action
void server_ReceivedRequestEvent(object sender, HttpCwsRequestEventArgs args)
{
try
{
// Do something light here. Do not process the requests in the event handler.
CrestronConsole.PrintLine("Incoming " + args.Context.Request.HttpMethod + " Request from "
+ args.Context.Request.UserHostName + " to " + args.Context.Request.Url);
}
catch (Exception e)
{
CrestronConsole.PrintLine("Error in server_ReceivedRequestEvent: {0}", e);
}
}
void myServerReceivedRequestEvent(object sender, HttpCwsRequestEventArgs args)
{
try
{
if (args.Context.Request.RouteData.Route.Name == "shversion")
{
args.Context.Response.StatusCode = 200;
args.Context.Response.StatusDescription = "OK";
args.Context.Response.ContentType = "application/vnd.collection+json";
string[] procVersion = versionResponse.Split(',');
string[] progComment = cmdResponse.Split('\n');
// Create a simple JSON Object to send back to the frontend
// ( data:{ id:"",hostname:"",version:"",puf:"",serial:"",mac:"",systemname:"",compiled:"",uptime:"" } }
JObject resObject = new JObject
{
{
"data", new JObject
{
{ "id", procId },
{ "hostname", procHostname },
{ "version", procVersion[0].Split('[')[1] },
{ "puf", procFirmware },
{ "serial", procSerial },
{ "mac", macAddress },
{ "systemname", progComment[3].Replace("\r", "").Replace("Program File: ", "") },
{ "compiled", progComment[6].Replace("\r", "").Replace("Compiled On: ", "").Trim() }
}
}
};
string json = JsonConvert.SerializeObject(resObject);
args.Context.Response.Write(json, true);
}
else
{
args.Context.Response.Write("Unhandled Route!", true);
}
}
catch (NullReferenceException e)
{
ErrorLog.Error("CwsServerNullError: {0}", e.Message);
}
catch (Exception e)
{
ErrorLog.Error("CwsServerError: {0}", e.Message);
args.Context.Response.StatusCode = 404;
args.Context.Response.Write("Error", true);
}
}
void server_ReceivedRequestEvent(object sender, HttpCwsRequestEventArgs args)
{
try
{
CrestronConsole.PrintLine("\r\n" + args.Context.Request.HttpMethod +
" request received from " +
args.Context.Request.UserHostName + " to " +
args.Context.Request.Url.AbsolutePath);
}
catch (Exception e)
{
CrestronConsole.PrintLine("Error in server_ReceivedRequestEvent(): {0}", e);
}
}
// Event handler called every time the listener receives an HTTP request
private void listener_ReceivedRequestEvent(object sender, HttpCwsRequestEventArgs args)
{
CrestronConsole.PrintLine("");
CrestronConsole.PrintLine("Received " + args.Context.Request.HttpMethod + " request from "
+ args.Context.Request.UserHostName);
}
/// <summary>
/// The received request handler for the CWS server
/// </summary>
/// <param name="sender">optional sender object</param>
/// <param name="args">The HttpCwsRequestEventArgs arguments containing information about this request like the HTTP method</param>
public void ReceivedRequestEvent(object sender, HttpCwsRequestEventArgs args)
{
ErrorLog.Notice($"{LogHeader} ReceivedRequestEvent running ...");
try
{
if (args.Context.Request.RouteData == null)
{
args.Context.Response.StatusCode = 200;
args.Context.Response.ContentType = "text/html";
switch (args.Context.Request.Path.ToUpper())
{
// not used, for demo/temp purposes
case "/WHATEVER":
break;
default:
args.Context.Response.StatusCode = 204;
args.Context.Response.Write(
JsonConvert.SerializeObject(
new Response
{
Status = "Error",
Message = this.GetApiHelp()
},
Formatting.Indented),
true);
break;
}
}
else
{
args.Context.Response.StatusCode = 200;
args.Context.Response.ContentType = "application/json";
// When we get a "GET" request
if (args.Context.Request.HttpMethod == "GET")
{
switch (args.Context.Request.RouteData.Route.Name.ToUpper())
{
// TODO: Level1. Not really a TODO, but we wanted to show you were you use the short name
// This was defined on line 90 of this class
case "HELLOWORLD":
// Get the data from the GET request by making use of the "data" variable
// that was defined on line 90 of this class
// TODO: Level1. Create your own code to handle the "helloworld" CWS route
string data = args.Context.Request.RouteData.Values["data"].ToString();
// TODO: Level1. From that code, send the received data to serial join 11
this.tp.StringInput[11].StringValue = data;
// TODO: Level1. Implement WriteWithAppend() in the FileControl.cs file to write the received data to User/logfile.txt
string appDir = Directory.GetApplicationRootDirectory();
FileControl.WriteWithAppend(data, $"{appDir}/User/logfile.txt");
// TODO: Level1. Return the received text as a response to this request
args.Context.Response.Write("Hello Atlanta!", true);
// For these exercises, take a good look at the supplied DUMMYGET route that is defined a few lines above.
break;
case "INTERLOCKSTATUS":
ErrorLog.Notice($"{LogHeader} ReceivedRequestEvent INTERLOCKSTATUS running ...");
var interlockResponse = new InterlockResponse();
interlockResponse.status = new List <ButtonStatus>();
interlockResponse.status.Add(new ButtonStatus(tp.BooleanInput[22].BoolValue));
interlockResponse.status.Add(new ButtonStatus(tp.BooleanInput[23].BoolValue));
interlockResponse.status.Add(new ButtonStatus(tp.BooleanInput[24].BoolValue));
string JSONResponseString = JsonConvert.SerializeObject(interlockResponse, Formatting.Indented);
ErrorLog.Notice($"{LogHeader} returning interlock status {JSONResponseString}");
args.Context.Response.Write(JSONResponseString, true);
break;
case "GETSLIDER":
// Level 3
ErrorLog.Notice($"{LogHeader} ReceivedRequestEvent SLIDER running ...");
ushort percentage = Convert.ToUInt16(tp.UShortInput[31].UShortValue / 65535 * 100);
JSONResponseString = $"{{\"value\": {percentage}%}}";
args.Context.Response.Write(JSONResponseString, true);
break;
case "LOG":
// Level 3
ErrorLog.Notice($"{LogHeader} GET Request LOG running ...");
JSONResponseString = FileControl.ReadFile($"{Directory.GetApplicationRootDirectory()}/User/logfile.txt");
args.Context.Response.Write($"{{ \"log\" : \"{JSONResponseString}\" }}", true);
break;
default:
break;
}
}
// When we get a "POST" request, we receive information from the frontend
if (args.Context.Request.HttpMethod == "POST")
{
string contents;
using (Crestron.SimplSharp.CrestronIO.Stream inputStream = args.Context.Request.InputStream)
{
using (StreamReader readStream = new StreamReader(inputStream, Encoding.UTF8))
{
contents = readStream.ReadToEnd();
}
}
switch (args.Context.Request.RouteData.Route.Name.ToUpper())
{
case "HOLAMUNDO":
ErrorLog.Notice($"{LogHeader} ReceivedRequestEvent HOLAMUNDO running ...");
string JSONBody = contents;
// echo request in response (for initial testing)
// args.Context.Response.Write(JSONBody, true);
Request request = JsonConvert.DeserializeObject <Request>(JSONBody);
string data = request.text;
ErrorLog.Notice($"{LogHeader} Adding {data} to end of file {Directory.GetApplicationRootDirectory()}/User/logfile.txt ...");
FileControl.WriteWithAppend(data, $"{Directory.GetApplicationRootDirectory()}/User/logfile.txt");
// set the button properly to send back
string JSONResponseString = this.tp.BooleanInput[21].BoolValue ? "{\"button\": true}" : "{\"button\": false}";
args.Context.Response.Write(JSONResponseString, true);
break;
case "POSTSLIDER":
// Level 3 payload {"value": 50}
ErrorLog.Notice($"{LogHeader} POST Request SLIDER running ...");
SliderRequest sliderRequest = JsonConvert.DeserializeObject <SliderRequest>(contents);
var sliderString = $"{sliderRequest.value}";
ErrorLog.Notice($"{LogHeader} Adding {sliderRequest.value} to end of file {Directory.GetApplicationRootDirectory()}/User/logfile.txt ...");
FileControl.WriteWithAppend(sliderString, $"{Directory.GetApplicationRootDirectory()}/User/logfile.txt");
tp.UShortInput[31].UShortValue = (ushort)(sliderRequest.value / 65535 * 100);
args.Context.Response.Write($"{{\"statusvalue\": \"{sliderRequest.value}\"}}", true);
break;
default:
break;
}
}
}
}
catch (Exception ex)
{
args.Context.Response.ContentType = "application/json";
args.Context.Response.StatusCode = 401;
args.Context.Response.Write(
JsonConvert.SerializeObject(
new Response
{
Status = "Error",
Message = this.GetApiError(ex)
},
Formatting.Indented),
true);
}
}
/// <summary>
/// The received request handler for the CWS server
/// </summary>
/// <param name="sender">optional sender object</param>
/// <param name="args">The HttpCwsRequestEventArgs arguments containing information about this request like the HTTP method</param>
public void ReceivedRequestEvent(object sender, HttpCwsRequestEventArgs args)
{
ErrorLog.Notice($"{LogHeader} ReceivedRequestEvent running ...");
try
{
if (args.Context.Request.RouteData == null)
{
args.Context.Response.StatusCode = 200;
args.Context.Response.ContentType = "text/html";
switch (args.Context.Request.Path.ToUpper())
{
// not used, for demo/temp purposes
case "/WHATEVER":
break;
default:
args.Context.Response.StatusCode = 204;
args.Context.Response.Write(
JsonConvert.SerializeObject(
new Response
{
Status = "Error",
Message = this.GetApiHelp()
},
Formatting.Indented),
true);
break;
}
}
else
{
args.Context.Response.StatusCode = 200;
args.Context.Response.ContentType = "application/json";
// When we get a "GET" request
if (args.Context.Request.HttpMethod == "GET")
{
switch (args.Context.Request.RouteData.Route.Name.ToUpper())
{
case "CONFIG":
// Level 3
ErrorLog.Notice($"{LogHeader} GET Request CONFIG running ...");
string JSONResponseString = FileControl.ReadFile($"{Directory.GetApplicationRootDirectory()}/User/config.json");
ErrorLog.Notice($"{LogHeader} returning interlock status {JSONResponseString}");
args.Context.Response.Write(JSONResponseString, true);
break;
default:
break;
}
}
// When we get a "POST" request, we receive information from the frontend
if (args.Context.Request.HttpMethod == "POST")
{
string contents;
using (Crestron.SimplSharp.CrestronIO.Stream inputStream = args.Context.Request.InputStream)
{
using (StreamReader readStream = new StreamReader(inputStream, Encoding.UTF8))
{
contents = readStream.ReadToEnd();
}
}
switch (args.Context.Request.RouteData.Route.Name.ToUpper())
{
case "HOLAMUNDO":
ErrorLog.Notice($"{LogHeader} ReceivedRequestEvent HOLAMUNDO running ...");
break;
default:
break;
}
}
}
}
catch (Exception ex)
{
args.Context.Response.ContentType = "application/json";
args.Context.Response.StatusCode = 401;
args.Context.Response.Write(
JsonConvert.SerializeObject(
new Response
{
Status = "Error",
Message = this.GetApiError(ex)
},
Formatting.Indented),
true);
}
}
