private static async Task PublishTestMessage <T>(T payload, string topicSettingKey)
{
var configuration = Utils.ConfigBuilder.Build();
var options = configuration.GetSection("MQTT")
.Get <MqttClientOptions>();
var topic = configuration[topicSettingKey];
var logger = LoggerFactory.Create(c => c.AddConsole()).CreateLogger <MqttClient>();
using (var mqttClient = new MqttClient(Options.Create(options), logger))
{
var waitToken = new CancellationTokenSource();
await mqttClient.Connect("test", () =>
{
waitToken.Cancel();
return(Task.CompletedTask);
});
try
{
await Task.Delay(8000, waitToken.Token); // Wait connection to be stablished
}
catch { }
await mqttClient.Subscribe(topic, (message) =>
{
var content = Encoding.UTF8.GetString(message.ApplicationMessage.Payload);
logger.LogInformation($"Topic {message.ApplicationMessage.Topic}. Message {content}");
return(Task.CompletedTask);
});
if (payload is string)
{
await mqttClient.Publish(topic, payload as string);
}
else
{
await mqttClient.Publish(topic, payload);
}
await Task.Delay(5000);
await mqttClient.Close();
}
}
/// <summary>
/// Close a client
/// </summary>
/// <param name="client">Client to close</param>
private void CloseClient(MqttClient client)
{
if (this.clients.Contains(client))
{
// if client is connected and it has a will message
if (!client.IsConnected && client.WillFlag)
{
// create the will PUBLISH message
MqttMsgPublish publish =
new MqttMsgPublish(client.WillTopic, Encoding.UTF8.GetBytes(client.WillMessage), false, client.WillQosLevel, false);
// publish message through publisher manager
this.publisherManager.Publish(publish);
}
// if not clean session
if (!client.CleanSession)
{
List <MqttSubscription> subscriptions = this.subscriberManager.GetSubscriptionsByClient(client.ClientId);
if ((subscriptions != null) && (subscriptions.Count > 0))
{
this.sessionManager.SaveSession(client.ClientId, client.Session, subscriptions);
// TODO : persist client session if broker close
}
}
// delete client from runtime subscription
this.subscriberManager.Unsubscribe(client);
// close the client
client.Close();
// remove client from the collection
this.clients.Remove(client);
mqttBridge.OnClientDisconnect(client);
}
}
private void button1_Click(object sender, EventArgs e)
{
if (button1.Text == "Connect")
{
if (client == null)
{
client = new MqttClient("test.mosquitto.org");
}
listBox1.Items.Add("=============================================");
client.PublishReceived += MqttMsgPubRecv;
client.Subscribed += MqttMsgSubscribed;
client.Unsubscribed += MqttMsgUnsubscribed;
client.Connect();
if (client.IsConnected)
{
listBox1.Items.Add("Connection established.");
listBox1.Items.Add("Create a topic now and subscribe to it!");
}
else
{
listBox1.Items.Add("Connection failed. No internet?");
return;
}
button1.Text = "Disconnect";
button3.Enabled = true;
}
else if (button1.Text == "Disconnect")
{
client.Close();
client.Disconnect();
client = null;
button1.Text = "Connect";
button2.Enabled = false;
button3.Enabled = false;
button4.Enabled = false;
}
}
static void Main(string[] args)
{
#region MQTT Client 資料上傳範例
IPHostEntry wraIP = Dns.GetHostEntry("iapi.wra.gov.tw");
MqttClient.ConnectConfig cc = new MqttClient.ConnectConfig()
{
IpAddress = wraIP.AddressList[0],
Port = 1883,
UserName = "",
Password = ""
};
MqttClient dps = new MqttClient(cc);
dps.Open();
Console.WriteLine("啟動MQTT連線");
Console.ReadKey();
if (!dps.IsConnected)
{
Console.WriteLine("連線失敗");
Console.ReadKey();
}
//產生隨機數值
Random rnd = new Random();
//寫入物理量 Id
Guid pqId = Guid.Parse("");
Console.WriteLine("Publish Data..");
for (int index = 0; index < 20; index++)
{
//Mqtt Payload 格式
MqttClient.ObservationsPacket op = new MqttClient.ObservationsPacket()
{
phenomenonTime = DateTime.Now.AddMinutes(-index).ToString("yyyyMMddTHHmmss+08"),
result = 4 + rnd.NextDouble()
};
Console.WriteLine($"發送資料 {op.result.ToString()}");
dps.Publish(pqId, op);
Thread.Sleep(1000);
}
Console.WriteLine("Publish Data Finish.");
Console.ReadKey();
dps.Close();
#endregion
#region 初始化 OAuth2 Client and User API Client
//初始化 OAuth2 Client
_oAuth2Client = new OAuth2Client(_wraOAuth2UriRoot, _clientId, _clientSecret);
//初始化 UserApi Client
_userApiClient = new UserApiClient(_wraApiUriRoot, _oAuth2Client);
#endregion
#region ETL API 使用範例
Console.WriteLine("\r\n-----讀取全部監測站群組------");
IEnumerable <StationGroupInfo> stationGroupInfos = StationGroupGetAll();
Console.ReadKey();
//取得單一監測站群組
Console.WriteLine($"\r\n-----使用監測站群組ID讀取單一監測站群組 {stationGroupInfos.First().Id.ToString() }------");
StationGroupGet(stationGroupInfos.First().Id);
Console.ReadKey();
//取得全部監測站
Console.WriteLine($"\r\n-----取得全部監測站------");
IEnumerable <StationInfo> stationInfos = StationGetAll();
Console.ReadKey();
//取得單一監測站
Console.WriteLine($"\r\n-----取得單一監測站 {stationInfos.First().Id.ToString() }------");
StationGet(stationInfos.First().Id);
Console.ReadKey();
//取得全部物理量
Console.WriteLine($"\r\n-----取得全部物理量------");
IEnumerable <PhysicalQuantityInfo> physicalQuantityInfos = PhysicalQuantityGetAll();
Console.ReadKey();
//取得單一物理量
Console.WriteLine($"\r\n-----取得單一物理量 {physicalQuantityInfos.First().Id.ToString() }------");
PhysicalQuantityGet(physicalQuantityInfos.First().Id);
Console.ReadKey();
//讀取全部物理量即時資料
Console.WriteLine($"\r\n-----讀取全部物理量即時資料------");
LastestDataReadAll();
Console.ReadKey();
//讀取單一物理量即時資料
Console.WriteLine($"\r\n-----讀取單一物理量即時資料 {physicalQuantityInfos.First().Id.ToString()}------");
LatestDataReadPhysicalQuantity(physicalQuantityInfos.First().Id);
Console.ReadKey();
Console.WriteLine($"\r\n-----讀取單一監測站下所有物理量資料 Station Id: {stationInfos.First().Id.ToString()}");
LastestDataReadStation(stationInfos.First().Id);
Console.ReadKey();
Console.WriteLine($"\r\n-----讀取單一監測站群組下所有物理量資料 StationGroup Id: {stationGroupInfos.First().ChildStationGroups.First().Id.ToString()}");
LastestDataReadStationGroup(stationGroupInfos.First().ChildStationGroups.First().Id);
Console.ReadKey();
Console.WriteLine($"\r\n-----讀取單一物理量之歷史原始資料-------");
TimeSeriesDataReadRawData(physicalQuantityInfos.First().Id);
Console.ReadKey();
Console.WriteLine($"\r\n-----讀取單一物理量之歷史彙總資料-------");
DataSeriesEs dataSeries = TimeSeriesDataReadAggregratedData(Guid.Parse("38a666f9-dcc4-4259-b454-9313f95a9d0c"));
Console.ReadKey();
#endregion
#region 可視化 API 使用範例
Console.WriteLine($"\r\n----產生可嵌入圖表--------");
ChartGenerate(dataSeries);
Console.ReadKey();
#endregion
#region 雲端運算 API 使用範例
int jobId = 40;
Console.WriteLine($"\r\n----從 S3 上傳 Java 檔案至雲端運算資源--------");
//jobId = SparkJobSubmit();
Console.ReadKey();
Console.WriteLine($"\r\n----取得工作列表-------");
SparkJobList();
Console.ReadKey();
Console.WriteLine("\r\n----取得工作狀態-----");
SparkJobStatus(jobId);
Console.ReadKey();
Console.WriteLine("\r\n----取得工作狀態-----");
SparkJobStatus(jobId);
Console.ReadKey();
Console.WriteLine("r\n----取得工作紀錄-----");
SparkJobLog(35);
Console.ReadKey();
#endregion
#region 地理圖資 API
Console.WriteLine($"\r\n----上傳檔案至地理圖資資料庫--------");
RasterMapFileUpload();
Console.ReadKey();
Console.WriteLine($"\r\n----讀取地理圖資資料庫檔案列表--------");
IEnumerable <FileDetails> fileDetails = RasterMapFileList();
Console.ReadKey();
Console.WriteLine($"\r\n----下載地理圖資檔案-------");
RasterMapFileDownload(fileDetails.First().FileName);
Console.ReadKey();
Console.WriteLine($"\r\n----讀取地理圖資檔案 NetCDF ASCII--------");
RasterMapNetCDFGet(fileDetails.First().FileName);
Console.ReadKey();
#endregion
}