void timer_Tick(Gadgeteer.Timer timer)
{
temperature = thermocouple.GetExternalTemperature();
DC.DCPushTemperature tem = new DC.DCPushTemperature()
{
Temperature = temperature
};
string jsonRequest = Json.NETMF.JsonSerializer.SerializeObject(tem);
POSTContent postData = POSTContent.CreateTextBasedContent(jsonRequest);
var reqData =
HttpHelper.CreateHttpPostRequest("http://simil.cloudapp.net/SmartFridgeServer/Api/Fridge/PushTemperature",
postData, "application/json");
reqData.ResponseReceived += reqData_ResponseReceived;
reqData.SendRequest();
if (OnTemRead != null)
{
OnTemRead(this, null);
}
}
private void sendAuthRequest(string scannedRFID, GT.Picture capturedImage)
{
/* Code for sending rfid and picture to webserver */
if (ethernetJ11D.IsNetworkUp)
{
string jsonString = getJsonString(scannedRFID, capturedImage);
//displayText("JSON string: " + jsonString);
Debug.Print("JSON string: " + jsonString);
displayText("Network up. Trying to send authentication request..");
POSTContent jsonContent = POSTContent.CreateTextBasedContent(jsonString);
var req = HttpHelper.CreateHttpPostRequest(webserverUrl, jsonContent, "application/json");
//var req = HttpHelper.CreateHttpGetRequest("http://192.168.1.2:8008/DEMOService/prova");
req.ResponseReceived += new HttpRequest.ResponseHandler(req_ResponseReceived);
req.SendRequest();
displayText("Request sended!");
}
else
{
string jsonString = getJsonString(scannedRFID, capturedImage);
//displayText("JSON string: " + jsonString);
displayText("Authentication failed because network is down");
}
authInProgress = false;
timeOutTimer.Stop();
}
void UpdateDoorStatus(bool status)
{
DC.DCPushDoorStatus doorStat = new DC.DCPushDoorStatus()
{
DoorIsOpened = status
};
string jsonRequest = Json.NETMF.JsonSerializer.SerializeObject(doorStat);
POSTContent postData = POSTContent.CreateTextBasedContent(jsonRequest);
var reqData =
HttpHelper.CreateHttpPostRequest("http://simil.cloudapp.net/SmartFridgeServer/Api/Fridge/PushDoorIsOpened",
postData, "application/json");
reqData.ResponseReceived += reqData_ResponseReceived;
reqData.SendRequest();
}
private void PushItem(string idItem, bool input)
{
DCItemInv dcitem = new DCItemInv()
{
IdItem = idItem,
In = input
};
string jsonRequest = Json.NETMF.JsonSerializer.SerializeObject(dcitem);
POSTContent postData = POSTContent.CreateTextBasedContent(jsonRequest);
var reqData =
//HttpHelper.CreateHttpPostRequest("http://localhost/SmartFridgeServer/Api/Fridge/PushProduct",
HttpHelper.CreateHttpPostRequest("http://simil.cloudapp.net/SmartFridgeServer/Api/Fridge/PushProduct",
postData, "application/json");
reqData.ResponseReceived += reqPushItem_ResponseReceived;
reqData.SendRequest();
}
public HttpRequest createSignedRequest()
{
String oauth_nonce = getOauthNonce();
String oauth_signature_method = getOauthSignatureMethod();
String oauth_timestamp = getOauthTimestamp();
String oauth_token = getOauthToken();
String oauth_version = getOauthVersion();
Debug.Print("OauthNonce: " + oauth_nonce);
Debug.Print("OauthSignatureMethod: " + oauth_signature_method);
Debug.Print("OauthTimestamp: " + oauth_timestamp);
Debug.Print("OauthToken: " + oauth_token);
Debug.Print("OauthVersion: " + oauth_version);
/*
* Se genera la cadena que luego se firmará
*/
String signature_base_string = createSignatureBaseString(http_method, http_uri, http_get, http_post, oauth_nonce, oauth_timestamp, oauth_token, oauth_version);
Debug.Print("SignatureBaseString: " + signature_base_string);
/*
* Se genera la firma a partir del signature_base_string
*/
String signing_key = getSigningKey();
Debug.Print("SigningKey: " + signing_key);
String oauth_signature = getOauthSignature(signature_base_string, signing_key);
Debug.Print("OauthSignature: " + oauth_signature);
/*
* Se crea el header de autorizacion
*/
String authorization_header = createAuthorizationHeader(oauth_nonce, oauth_signature, oauth_signature_method, oauth_timestamp, oauth_token, oauth_version);
Debug.Print("AuthorizationHeader: " + authorization_header);
HttpRequest request;
POSTContent post_content;
String post_query;
String get_query;
post_query = createPostQuery(http_post);
get_query = createGetQuery(http_get);
Debug.Print("PostQuery: " + post_query);
Debug.Print("GetQuery: " + get_query);
if (http_method == "POST")
{
post_content = POSTContent.CreateTextBasedContent(post_query);
request = HttpHelper.CreateHttpPostRequest(http_uri + get_query, post_content, null);
}
else if (http_method == "GET")
{
request = HttpHelper.CreateHttpGetRequest(http_uri + get_query);
}
else
{
Debug.Print("El metodo " + http_method + " no está soportado.");
return(null);
}
request.AddHeaderField("Authorization", authorization_header);
Debug.Print("Request Url: " + request.URL);
return(request);
}
private void init()
{
Buzzer.init(breakout2.CreatePwmOutput(GT.Socket.Pin.Nine));
StatusLed.led = ledStrip;
StatusLed.led.SetLed(0, true);
DisplayLCD.lcd = displayTE35;
DisplayTimer();
while (!wifi.NetworkInterface.Opened)
{
try
{
Debug.Print("Opening Wifi interface");
wifi.NetworkInterface.Open();
Thread.Sleep(1000);
}
catch (Exception)
{
Thread.Sleep(1000);
continue;
}
}
GeoMessage geomessage = new GeoMessage(wifi.NetworkInterface.Scan());
wifi.NetworkInterface.Close();
RemovableMedia.Insert += (sender, e) => {
mountEvent.Set(); Debug.Print("SD Mounted");
};
while (!sdCard.IsCardInserted)
{
DisplayLCD.addSDInfo(false, 0);
Thread.Sleep(1000);
Debug.Print("Waiting for sd card");
}
while (!sdCard.IsCardMounted)
{
DisplayLCD.addSDInfo(false, 0);
Thread.Sleep(1000);
if (!sdCard.IsCardMounted)
{
sdCard.Mount();
}
}
//mountEvent.WaitOne();
//byte[] data = Encoding.UTF8.GetBytes("Hello World!");
//sdCard.StorageDevice.WriteFile("measure" + 0, data);
//sdCard.StorageDevice.CreateDirectory(@"test");
/*if (VolumeInfo.GetVolumes()[0].IsFormatted)
* {
* string rootDirectory =
* VolumeInfo.GetVolumes()[0].RootDirectory;
* string[] files = Directory.GetFiles(rootDirectory);
* string[] folders = Directory.GetDirectories(rootDirectory);
*
* Debug.Print("Files available on " + rootDirectory + ":");
* for (int i = 0; i < files.Length; i++)
* {
* Debug.Print("Deleted " + files[i]);
* sdCard.StorageDevice.Delete(files[i]);
* }
* Debug.Print("Folders available on " + rootDirectory + ":" + folders.Length);
* }
* else
* {
* Debug.Print("Storage is not formatted. " +
* "Format on PC with FAT32/FAT16 first!");
* }*/
DisplayLCD.addSDInfo(true, 0);
Ethernet eth = new Ethernet(ethernetJ11D);
Debug.Print("Ethernet created");
mqtt = eth.MQTT;
Debug.Print("Mqtt created");
MeasureOrchestrator.setMqtt(mqtt);
MeasureDB.sd = sdCard;
Debug.Print("Time updated");
TimeSync.update();
while (!mqtt.isConnected())
{
Thread.Sleep(1000);
}
POSTContent pc = POSTContent.CreateTextBasedContent(GeoMessage.Json(geomessage));
try
{
HttpRequest wc = HttpHelper.CreateHttpPostRequest("http://52.57.156.220/geolocation", pc, "application/json");
wc.ResponseReceived += wc_ResponseReceived;
wc.SendRequest();
}
catch (Exception) {
mqtt.Publish("cfg", Configuration.Json(new Configuration(45.0631, 7.66004)));
}
//send a request with GeoMessage.Json(message) and set the configuration
FlameSensor flame = new FlameSensor(breakout.CreateAnalogInput(GT.Socket.Pin.Three), "0");
SmokeSensor smoke = new SmokeSensor(breakout.CreateAnalogInput(GT.Socket.Pin.Four), "1");
COSensor co = new COSensor(breakout.CreateAnalogInput(GT.Socket.Pin.Five), "2");
TemperatureSensor temperature = new TemperatureSensor(breakout3.CreateAnalogInput(GT.Socket.Pin.Three), "3");
registerSensor(temperature);
registerSensor(smoke);
registerSensor(co);
registerSensor(flame);
pubTimer(3000);
pubOldTimer(2000);
}
private void sendAuthRequest(string scannedRFID, GT.Picture capturedImage)
{
/* Code for sending rfid and picture to webserver */
if (ethernetJ11D.IsNetworkUp)
{
string hashSession = "";
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("192.168.1.2"), 11000);
Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.ReceiveTimeout = TIMEOUT;
clientSocket.SendTimeout = TIMEOUT;
try
{
clientSocket.Connect(ipep);
MySocketFunctions.socketSendFile(clientSocket, capturedImage.PictureData);
hashSession = MySocketFunctions.socketReadLine(clientSocket); //reads the session hashstring received from server socket as response
}
catch (Exception e)
{
displayMessage("Network down", true);
authInProgress = false;
return;
}
finally
{
clientSocket.Close();
}
string jsonString = getJsonString(scannedRFID, hashSession); //parse user RFID and session hash into JSON string
//Debug.Print("JSON string: " + jsonString);
//string jsonString = "{\"rfid\":\"" + scannedRFID + "\",\"session\":\"" + hashSession + "\"}";
POSTContent jsonContent = POSTContent.CreateTextBasedContent(jsonString);
if (currentRequestType == 1) //user had pushed ENTER
{
webserverUrl = "http://192.168.1.2:8008/DEMOService/enter";
}
else if (currentRequestType == 2) //user had pushed EXIT
{
webserverUrl = "http://192.168.1.2:8008/DEMOService/exit";
}
var req = HttpHelper.CreateHttpPostRequest(webserverUrl, jsonContent, "application/json");
req.ResponseReceived += new HttpRequest.ResponseHandler(req_ResponseReceived);
timeOutTimer.Start(); //start timeout timer (30 sec)
req.SendRequest();
//Debug.Print("Request sent!");
}
else
{
//Debug.Print("Authentication failed because network is down");
multicolorLED.TurnRed();
displayMessage("Network down, check cable", true);
authInProgress = false;
//timeOutTimer.Stop();
}
/*
* authInProgress = false;
* timeOutTimer.Stop();
*/
}