public static MQTTid Init(string remoteAddr, int remotePort,
/*Action<string,bool,System.Diagnostics.EventLogEntryType> logMessage,*/
Action <string, MQTTMsgPublishEventArgs> onNewMessage,
Action <string, bool, System.Diagnostics.EventLogEntryType> logMessage
)
{
//First get client to remote if not exists new is created
MqttClient remoteClient = MQTTController.getConnectionTORemoteBroker(remoteAddr, remotePort);
string connectedSoftwareId = MQTTController.getClientIdInternal();
//Assign This client to this remote software
lock (MQTTController.clientStuffLock) {
if (MQTTController.clientsActiveConnections.ContainsKey(connectedSoftwareId)) //Not First Connection
{
mqttClientData onMememory = MQTTController.clientsActiveConnections[connectedSoftwareId].First(cdata => cdata.client.Equals(remoteClient));
if (onMememory == null) // Not Connected to this broker
{
MQTTController.clientsActiveConnections[connectedSoftwareId].Add(new mqttClientData(remoteClient, onNewMessage, logMessage));
}
}
else //FirstConnection
{
MQTTController.clientsActiveConnections.Add(connectedSoftwareId, new List <mqttClientData>());
MQTTController.clientsActiveConnections[connectedSoftwareId].Add(new mqttClientData(remoteClient, onNewMessage, logMessage));
}
}
return(new MQTTid(remoteAddr, remotePort));
}
private static Dictionary <string, mqttClientData> getWhoisUsing(string remoteAddr, int remotePort)
{
Dictionary <string, mqttClientData> returnData = new Dictionary <string, mqttClientData>();
foreach (KeyValuePair <string, List <mqttClientData> > connectedClient in MQTTController.clientsActiveConnections)
{
mqttClientData usingBroker = connectedClient.Value.Find(clientData => clientData.client.remoteAddress.Equals(remoteAddr) && clientData.client.remotePort == remotePort);
if (usingBroker != null)
{
returnData.Add(connectedClient.Key, usingBroker);
}
}
return(returnData);
}
public static int Disconnect(MQTTid brokerID)
{
if (brokerID == null)
{
return(-1);
}
string connectedSoftwareId = MQTTController.getClientIdInternal();
lock (MQTTController.clientStuffLock) {
if (MQTTController.clientsActiveConnections.ContainsKey(connectedSoftwareId)) //Connected to somewhere
{
mqttClientData onMemory = MQTTController.clientsActiveConnections[connectedSoftwareId].First(cdata => cdata.client.remoteAddress.Equals(brokerID.brokerADDR) && cdata.client.remotePort == brokerID.brokerPort);
if (onMemory != null) // Connected to this broker
{
MQTTController.clientsActiveConnections[connectedSoftwareId].Remove(onMemory); // remove this cleint reference to the broker
Dictionary <string, mqttClientData> everyBodyUsisngBroker = MQTTController.getWhoisUsing(brokerID.brokerADDR, brokerID.brokerPort);
//List<mqttClientData> everyBodyUsisngBroker= MQTTController.clientsActiveConnections[connectedSoftwareId].FindAll(cdata => cdata.client.remoteAddress.Equals(remoteAddr) && cdata.client.remotePort == remotePort);
//Disconect if nobody is using this broker
if (everyBodyUsisngBroker == null || everyBodyUsisngBroker.Count == 0)
{
onMemory.client.disconnectToRemoteAsync();
lock (MQTTController.brokerStuffLock) {
string remoteBrokerID = MQTTController.idsToClients.First(x => x.Value.Equals(onMemory.client)).Key;
MQTTController.idsToClients.Remove(remoteBrokerID);
}
}
else //somebodyelse is using thes connection
//remove all the subscriptions from this client if nobody is using them
{
foreach (string subscriptionToBroker in onMemory.getsubscribedTopics())
{
MQTTController.UnSubscribe(onMemory.client, subscriptionToBroker, 0, everyBodyUsisngBroker);
}
}
}
}
else //notConnected
//Nothing
{
}
}
return(0);
}
public static bool Connected(MQTTid brokerID)
{
if (brokerID == null)
{
throw new ArgumentNullException("brokerID cannot be null");
}
mqttClientData onMemory = null;
string connectedSoftwareId = MQTTController.getClientIdInternal();
lock (MQTTController.clientStuffLock) {
if (MQTTController.clientsActiveConnections.ContainsKey(connectedSoftwareId)) //Connected to somewhere
{
onMemory = MQTTController.clientsActiveConnections[connectedSoftwareId].First(cdata => cdata.client.remoteAddress.Equals(brokerID.brokerADDR) && cdata.client.remotePort == brokerID.brokerPort);
}
}
if (onMemory == null) //I'm connected to this broker
{
return(false);
}
return(onMemory.client.connected());
}
public static int Publish(MQTTid brokerID, string topic, string data, byte QOSLevel, bool retain)
{
if (brokerID == null)
{
return(-1);
}
mqttClientData onMemory = null;
string connectedSoftwareId = MQTTController.getClientIdInternal();
lock (MQTTController.clientStuffLock) {
if (MQTTController.clientsActiveConnections.ContainsKey(connectedSoftwareId)) //Connected to somewhere
{
onMemory = MQTTController.clientsActiveConnections[connectedSoftwareId].First(cdata => cdata.client.remoteAddress.Equals(brokerID.brokerADDR) && cdata.client.remotePort == brokerID.brokerPort);
}
}
if (onMemory != null) //I'm connected to this broker
{
return(onMemory.client.publishOnRemote(topic, data, QOSLevel, retain));
}
return(-2);
}
public static int UnSubscribe(MQTTid brokerID, string topic)
{
if (brokerID == null)
{
return(-1);
}
string connectedSoftwareId = MQTTController.getClientIdInternal();
Dictionary <string, mqttClientData> everyBodyUsisngBroker = MQTTController.getWhoisUsing(brokerID.brokerADDR, brokerID.brokerPort);
lock (MQTTController.clientStuffLock) {
if (MQTTController.clientsActiveConnections.ContainsKey(connectedSoftwareId)) //Connected to somewhere
{
mqttClientData onMemory = MQTTController.clientsActiveConnections[connectedSoftwareId].First(cdata => cdata.client.remoteAddress.Equals(brokerID.brokerADDR) && cdata.client.remotePort == brokerID.brokerPort);
if (onMemory != null)
{
MQTTController.UnSubscribe(onMemory.client, topic, 1, everyBodyUsisngBroker);
}
}
}
return(0);
}
public static string GetData(MQTTid brokerID, string topic, byte QOSLevel)
{
if (brokerID == null)
{
throw new ArgumentNullException("brokerID cannot be null");
}
MQTTController.Subscribe(brokerID, topic, QOSLevel);
mqttClientData onMemory = null;
string connectedSoftwareId = MQTTController.getClientIdInternal();
lock (MQTTController.clientStuffLock) {
if (MQTTController.clientsActiveConnections.ContainsKey(connectedSoftwareId)) //Connected to somewhere
{
onMemory = MQTTController.clientsActiveConnections[connectedSoftwareId].First(cdata => cdata.client.remoteAddress.Equals(brokerID.brokerADDR) && cdata.client.remotePort == brokerID.brokerPort);
}
}
if (onMemory != null) //I'm connected to this broker
{
return(onMemory.getData(topic));
}
return(null);
}
