// Performs join
public async Task <bool> JoinAsync(SimulatedPacketForwarder packetForwarder, int timeoutInMs = 30 * 1000)
{
if (this.IsJoined)
{
return(true);
}
var token = await RandomTokenGenerator.GetTokenAsync();
this.LastPayload = new PhysicalPayload(token, PhysicalIdentifier.PUSH_DATA, null);
var header = this.LastPayload.GetSyncHeader(packetForwarder.MacAddress);
var joinRequest = this.CreateJoinRequest();
var joinCompleted = new SemaphoreSlim(0);
packetForwarder.SubscribeOnce(token, PhysicalIdentifier.PULL_RESP, (response) => {
// handle join
var loraMessage = new LoRaMessageWrapper(response, true, this.LoRaDevice.AppKey);
if (loraMessage.LoRaMessageType == LoRaMessageType.JoinAccept)
{
this.HandleJoinAccept(loraMessage);
joinCompleted.Release();
}
});
await packetForwarder.SendAsync(header, joinRequest);
TestLogger.Log($"[{this.LoRaDevice.DeviceID}] Join request: {BitConverter.ToString(header).Replace("-", "")}");
return(await joinCompleted.WaitAsync(timeoutInMs));
}
// Sends unconfirmed message
public async Task SendUnconfirmedMessageAsync(SimulatedPacketForwarder simulatedPacketForwarder, string payload)
{
var token = await RandomTokenGenerator.GetTokenAsync();
this.LastPayload = new PhysicalPayload(token, PhysicalIdentifier.PUSH_DATA, null);
var header = this.LastPayload.GetSyncHeader(simulatedPacketForwarder.MacAddress);
var unconfirmedMessage = this.CreateUnconfirmedDataUpMessage(payload);
await simulatedPacketForwarder.SendAsync(header, unconfirmedMessage);
TestLogger.Log($"[{this.LoRaDevice.DeviceID}] Unconfirmed data: {BitConverter.ToString(header).Replace("-", "")} {payload}");
//TestLogger.Log($"[{this.LoRaDevice.DevAddr}] Sending data: {BitConverter.ToString(header).Replace("-", "")}{Encoding.UTF8.GetString(gatewayInfo)}");
}
