public void Add(DiscoveryPeer newPeer)
{
lock (Memory.Peers)
{
Memory.Peers.Add(newPeer);
Memory.Peers = Memory.Peers.OrderByDescending(p => p.LastUpdateTimestamp).ToList();
}
}
/* PROCESS RECEIVING MESSAGES */
private void ProcessInstanceConnected(string topic, MQTTMessage mqttMessage)
{
InstanceHealthService.Health.MQTTMessagesReceived += 1;
var receivedMessage = mqttMessage.Message.ToString().Replace("'", "\"");
var peerMessageContent = JsonConvert.DeserializeObject <MQTTPeerMessageContent>(receivedMessage);
if (peerMessageContent != null && mqttMessage.FromInstanceId.CompareTo(Program.InstanceConfig.ServerInstanceID) != 0)
{
// respond back with my peer data
var myMqttClient = _mqttClients.SingleOrDefault(c => c.mqttTopic.CompareTo(topic) == 0);
if (myMqttClient != null && myMqttClient.mqttClient.IsConnected)
{
var myPeerMessage = GetPeerMessage(peerMessageContent.PeerId, "INSTANCE_HEARTBEAT");
myMqttClient.mqttClient.PublishAsync(myMqttClient.mqttTopic, JsonConvert.SerializeObject(myPeerMessage));
}
// add new peer to my peers
DiscoveryPeer existingPeer = null;
lock (Memory.Peers)
{
existingPeer = Memory.Peers.FirstOrDefault(p => p.ServerInstanceID.CompareTo(peerMessageContent.PeerId) == 0);
}
if (existingPeer == null)
{
var newPeer = new DiscoveryPeer()
{
LastUpdateTimestamp = DateTime.UtcNow,
ServerInstanceID = peerMessageContent.PeerId,
DiscoveryUrls = peerMessageContent.DiscoveryUrls,
InstanceIP = peerMessageContent.InstanceIP,
InstancePort = peerMessageContent.InstancePort
};
Memory.Peers.Add(newPeer);
}
}
}
public void ProcessInstanceHeartbeat(string topic, MQTTMessage mqttMessage)
{
InstanceHealthService.Health.MQTTMessagesReceived += 1;
var receivedMessage = mqttMessage.Message.ToString().Replace("'", "\"");
var peerMessageContent = JsonConvert.DeserializeObject <MQTTPeerMessageContent>(receivedMessage);
if (peerMessageContent != null && mqttMessage.FromInstanceId.CompareTo(Program.InstanceConfig.ServerInstanceID) != 0)
{
DiscoveryPeer existingPeer = null;
// add new peer to my peers
lock (Memory.Peers)
{
existingPeer = Memory.Peers.FirstOrDefault(p => p.ServerInstanceID.CompareTo(peerMessageContent.PeerId) == 0);
}
if (existingPeer == null)
{
var newPeer = new DiscoveryPeer()
{
LastUpdateTimestamp = DateTime.UtcNow,
ServerInstanceID = peerMessageContent.PeerId,
DiscoveryUrls = peerMessageContent.DiscoveryUrls,
InstanceIP = peerMessageContent.InstanceIP,
InstancePort = peerMessageContent.InstancePort
};
_memoryDiscoveryPeerRepository.Add(newPeer);
}
else
{
existingPeer.LastUpdateTimestamp = DateTime.UtcNow;
existingPeer.DiscoveryUrls = peerMessageContent.DiscoveryUrls;
existingPeer.InstanceIP = peerMessageContent.InstanceIP;
existingPeer.InstancePort = peerMessageContent.InstancePort;
}
}
}