public static Response FromJSON(object json)
{
Response r = new Response();
Message.FromJSON(r, json);
r.responseData = Util.JsonOptField(json as IDictionary<string, object>, "responseData") as IDictionary<string, object>;
return r;
}
public void Handshake(Call serviceCall, Response serviceResponse, CallContext messageContext)
{
string deviceParameter = serviceCall.GetParameterString(DEVICE_KEY);
if (deviceParameter == null)
{
serviceResponse.error = "No 'device' parameter informed.";
return;
}
try
{
UpDevice device = UpDevice.FromJSON(Json.Deserialize(deviceParameter));
gateway.deviceManager.RegisterDevice(device);
serviceResponse.AddParameter(DEVICE_KEY, Json.Serialize(gateway.currentDevice.ToJSON()));
//TODO: actually implement the driver register for other devices...
//Response driversResponse = gateway.CallService(device, new Call("uos.DeviceDriver", "listDrivers"));
//object driverList = driversResponse.GetResponseData("driverList");
//if (driverList != null)
//{
// var driverMap = (IDictionary<string, object>)Json.Deserialize(driverList.ToString());
// // TODO: this is duplicated with DeviceManager.registerRemoteDriverInstances
// foreach (string id in driverMap.Keys)
// {
// UpDriver upDriver = UpDriver.FromJSON(Json.Deserialize(driverMap[id].ToString()));
// DriverModel driverModel = new DriverModel(id, upDriver, device.name);
// gateway.driverManager.Insert(driverModel);
// }
//}
}
catch (System.Exception e)
{
serviceResponse.error = e.Message;
logger.LogError("Problems on handshake: " + e.Message + "," + e.StackTrace);
}
}
public Response CallService(object instance, Call call, CallContext context)
{
MethodInfo method = FindMethod(call, instance);
if (method != null)
{
logger.Log(
"Calling service '" + call.service + "' of driver '" + call.driver + "' on instance '" + call.instanceId + "'");
HandleStreamCall(call, context);
Response response = new Response();
method.Invoke(instance, new object[] { call, response, context });
logger.Log("Finished service call.");
return response;
}
else
throw new System.Exception(
"No Service Implementation found for service '" + call.service +
"' on driver '" + call.driver + "' with id '" + call.instanceId + "'.");
}
public void Goodbye(Call serviceCall, Response serviceResponse, CallContext messageContext)
{
gateway.deviceManager.DeviceLeft(messageContext.callerNetworkDevice);
}
/// <summary>
/// This method is responsible for informing the unknown equivalent driverss.
/// </summary>
/// <param name="serviceCall"></param>
/// <param name="serviceResponse"></param>
/// <param name="messageContext"></param>
public void TellEquivalentDrivers(Call serviceCall, Response serviceResponse, CallContext messageContext)
{
try
{
string equivalentDrivers = serviceCall.GetParameterString(DRIVERS_NAME_KEY);
IList<object> equivalentDriversJson = Json.Deserialize(equivalentDrivers) as IList<object>;
List<object> jsonList = new List<object>();
IDictionary<string, object> responseData = new Dictionary<string, object>();
for (int i = 0; i < equivalentDriversJson.Count; i++)
{
string equivalentDriver = equivalentDriversJson[i] as string;
UpDriver driver = gateway.driverManager.GetDriverFromEquivalanceTree(equivalentDriver);
if (driver != null)
AddToEquivalanceList(jsonList, driver);
}
responseData[INTERFACES_KEY] = Json.Serialize(jsonList);
serviceResponse.responseData = responseData;
}
catch (System.Exception e)
{
logger.LogError("Problems on equivalent drivers. " + e.StackTrace);
}
}
public void ListDrivers(Call serviceCall, Response serviceResponse, CallContext messageContext)
{
logger.Log("Handling DeviceDriverImpl#listDrivers service");
try
{
IDictionary<string, object> parameters = serviceCall.parameters;
DriverManager driverManager = gateway.driverManager;
// Handles parameters to filter message...
IList<DriverData> listDrivers =
driverManager.ListDrivers(
((parameters != null) ? (parameters[DRIVER_NAME_KEY] as string) : null),
gateway.currentDevice.name
);
IDictionary<string, object> driversList = new Dictionary<string, object>();
if ((listDrivers != null) && (listDrivers.Count > 0))
{
foreach (var driver in listDrivers)
driversList[driver.instanceID] = driver.driver.ToJSON();
}
IDictionary<string, object> responseData = new Dictionary<string, object>();
responseData[DRIVER_LIST_KEY] = driversList;
serviceResponse.responseData = responseData;
}
catch (System.Exception e)
{
serviceResponse.error = e.Message;
logger.LogError("Problem on ListDrivers service: " + e.Message + "," + e.StackTrace);
}
}
private Response HandleServiceCall(string message, CallContext messageContext)
{
try
{
Call serviceCall = Call.FromJSON(Json.Deserialize(message));
Response response = gateway.HandleServiceCall(serviceCall, messageContext);
logger.Log("Returning service response");
return response;
}
catch (System.Exception e)
{
PushLog("Internal Failure: ", e);
Response errorResponse = new Response();
errorResponse.error = e.Message == null ? "Internal Error" : e.Message;
return errorResponse;
}
}
