/// <summary>
/// 发布数据
/// </summary>
/// <param name="topic"></param>
/// <param name="data"></param>
public void Publish(string topic, byte[] data)
{
if (ObserverInit.isInit)
{
ObserverInit.Init();
}
var array = SubscribeList.Subscribe.GetAddresses(topic);
if (array == null || array.Length == 0)
{
//没有订阅看发布
array = PublishList.Publish.GetAddresses(topic);
if (array == null || (array.Length == 1 && array[0].ToString() == LocalNode.TopicAddress))
{
//没有地址，或者只是本节点发布了数据，当做新增，组播扩展新增
NewTopicPub.Pub.SendNewTopic(topic);
PublishList.Publish.AddLocal(topic);
array = SubscribeList.Subscribe.GetAddresses(topic);
if (array != null)
{
//再次订阅的地址
PubData(array, topic, data);
}
else
{
//丢弃
}
}
else
{
//复制订阅地址
List <AddressInfo> lst = null;//地址
foreach (var p in array)
{
var bytes = DataPack.PackCopyTopic(topic);
byte[] buf = new byte[10240];
if (p.Protol == 0)
{
TcpClientSocket tcpClient = new TcpClientSocket();
tcpClient.RemoteHost = p.Address;
tcpClient.RemotePort = p.Port;
if (tcpClient.Connect())
{
tcpClient.Send(bytes);
int r = tcpClient.Recvice(buf);
lst = DataPack.UnPackCopyRspTopic(buf);
SubscribeList.Subscribe.AddAddress(topic, lst.ToArray());
tcpClient.Close();
break;//成功一个就退出
}
tcpClient.Close();
}
else
{
UDPSocket uDP = new UDPSocket();
bool isSucess = false;
for (int i = 0; i < 20; i++)
{
var tsk = Task.Factory.StartNew(() =>
{
uDP.Send(p.Address, p.Port, bytes);
int r = uDP.Recvice(buf);
if (r > 0)
{
lst = DataPack.UnPackCopyRspTopic(buf);
SubscribeList.Subscribe.AddAddress(topic, lst.ToArray());
}
});
if (tsk.Wait(50))
{
//成功就退出
isSucess = true;
break;
}
}
if (isSucess)
{
//成功退出外层
break;
}
}
}
if (lst != null)
{
PubData(lst.ToArray(), topic, data);
}
}
}
else
{
PubData(array, topic, data);
}
}
/// <summary>
/// 心跳包
/// </summary>
private void Heart()
{
Task.Factory.StartNew(() =>
{
var msg = DataPack.PackNodeState(LocalNode.NodeId, LocalNode.TopicAddress);
Multicast.SendTo(msg);
//
if (NodeList.LstNodeInfo.Count == 0)
{
int num = NodeList.dicRefresh.Count;
string[] keys = new string[num];
NodeList.dicRefresh.Keys.CopyTo(keys, 0);
NodeList.LstNodeInfo.AddRange(keys);
//取出ID
foreach (var ky in keys)
{
int index = ky.IndexOf(",");
string id = ky.Substring(0, index);
NodeList.UpdateListId.Add(long.Parse(id));
}
}
else
{
var array = NodeList.LstNodeInfo.ToArray();
foreach (var node in array)
{
int Sp = 0;
NodeList.dicRefresh.TryGetValue(node, out Sp);
if (Math.Abs(DateTime.Now.Second - Sp) / WaitTime > 2)
{
//启动侦测
int index = node.IndexOf(",");
string addr = node.Substring(index);
string[] address = addr.Split('_');
if (address[0] == "0")
{
TcpClientSocket tcpClient = new TcpClientSocket();
tcpClient.RemoteHost = address[0];
tcpClient.RemotePort = int.Parse(address[1]);
if (tcpClient.Connect())
{
//刷新
NodeList.dicRefresh[node] = DateTime.Now.Second;
}
else
{
//移除节点信息
string id = node.Substring(0, index);
NodeList.LstNodeInfo.Remove(node);
NodeList.UpdateListId.Remove(long.Parse(id));
AddressInfo info = new AddressInfo();
info.Reset(addr);
SubscribeList.Subscribe.Remove(info);
}
}
else
{
UDPSocket uDP = new UDPSocket();
byte[] buf = new byte[1024];
int num = WaitTectNum;
while (num > 0)
{
uDP.Send(address[0], int.Parse(address[1]), tectBytes);
var tsk = Task.Factory.StartNew(() =>
{
return(uDP.Recvice(buf));
});
if (tsk.Wait(50))
{
NodeList.dicRefresh[node] = DateTime.Now.Second;
break;
}
num--;
}
if (num <= 0)
{
//移除节点信息
NodeList.LstNodeInfo.Remove(node);
AddressInfo info = new AddressInfo();
info.Reset(addr);
SubscribeList.Subscribe.Remove(info);
string id = node.Substring(0, index);
NodeList.UpdateListId.Remove(long.Parse(id));
}
uDP.Close();
}
}
}
}
});
}
/// <summary>
/// 发送订阅信息
/// </summary>
/// <param name="topic"></param>
private void SendSubscriber(string topic)
{
if (dicFilter.ContainsKey(topic))
{
return;
}
dicFilter[topic] = null;
var array = PublishList.Publish.GetAddresses(topic);
bool isSucess = false;
//发送订阅信息
if (array != null)
{
var local = new AddressInfo();
local.Reset(LocalNode.TopicAddress);
byte[] tmp = DataPack.PackSubscribeMsg(topic, new AddressInfo[] { local });
foreach (var addr in array)
{
if (addr.Protol == 0)
{
TcpClientSocket tcp = new TcpClientSocket();
tcp.RemoteHost = addr.Address;
tcp.RemotePort = addr.Port;
if (tcp.Connect())
{
tcp.Send(tmp);
isSucess = true;
}
tcp.Close();
}
else
{
UDPSocket uDP = new UDPSocket();
int num = udpTimes;
while (true)
{
uDP.Send(addr.Address, addr.Port, tmp);
byte[] buf = new byte[3];
var tsk = Task.Factory.StartNew(() =>
{
return(uDP.Recvice(buf)); //只要有接收就确定收到
});
if (tsk.Wait(udpWait))
{
isSucess = true;
break;
}
num--;
if (num < 0)
{
break;
}
}
}
}
}
else
{
//没有发布地址，进入等待订阅列表
NodeList.dicWaitSubscribe[topic] = null;
//
}
if (!isSucess)
{
//订阅全部没有成功
NodeList.dicWaitSubscribe[topic] = null;
string t;
dicFilter.TryRemove(topic, out t);
}
else
{
string t;
//订阅有一个成功
NodeList.dicWaitSubscribe.TryRemove(topic, out t);
}
}