/// <summary>
/// 加入一个Remoting宿主
/// </summary>
/// <param name="host"></param>
public void AddHost(Host host)
{
if (_HostCollection.ContainsKey(host.Name) == false)
{
_HostCollection.Add(host.Name, host);
}
}
//解析Remoting宿主
void ParseHostSection(XmlNode root)
{
string defaultHostName = base.GetStringAttribute(root, "default");
Host firstHost = null;
foreach (XmlNode node in root.ChildNodes)
{
if (node.NodeType == XmlNodeType.Comment) continue;
if (node.Name != "add") continue;
if (node.Attributes["name"] == null ||
node.Attributes["url"] == null ||
string.IsNullOrEmpty(node.Attributes["name"].Value) ||
string.IsNullOrEmpty(node.Attributes["url"].Value)) continue;
Host host = new Host();
host.Name = node.Attributes["name"].Value;
host.Url = node.Attributes["url"].Value;
ci.AddHost(host);
if (firstHost == null) firstHost = host;
}
if (ci.HostCollection.Count == 0)
{
throw new Exception("没有配置Remoting宿主");
}
else
{
if (ci.HostCollection.ContainsKey(defaultHostName))
{
ci.DefaultHost = ci.HostCollection[defaultHostName];
}
else
{
ci.DefaultHost = firstHost;
}
}
}
void DoCheck(object obj)
{
ClientConfig ci = obj as ClientConfig;
Host[] hosts = new Host[ci.HostCollection.Count];
ci.HostCollection.Values.CopyTo(hosts, 0);
int interval = ci.PollingInterval * 1000;
while (true)
{
StringBuilder sb = new StringBuilder();
foreach (Host host in hosts)
{
#region Remoting调用方式检测Host
try
{
//若服务不可用，耗时比较长，需改用其他方式检测
string objectUri = "Kalman.Remoting.HostMonitorService";
HostMonitorService srv = RCHelper.Instance.GetWellKnownObject<HostMonitorService>(host.Url, objectUri);
//Trace.WriteLine(srv.GetCurrentDate());
//HostMonitorService srv = (HostMonitorService)RemotingServices.Connect(typeof(HostMonitorService), string.Format("{0}/{1}", host.Url, objectUri));
//srv.GetCurrentDate();
sb.Append(host.Url);
sb.Append("|");
}
catch (Exception ex)
{
string key = string.Format("{0}|{1}", ci.Name, host.Name);
lock (hostStateInfo.SyncRoot)
{
if (hostStateInfo.ContainsKey(key))
hostStateInfo[key] = ex.Message;
else
hostStateInfo.Add(key, ex.Message);
}
//Trace.WriteLine(key+"."+ex.Message);
}
#endregion
#region
//string[] ss = host.Url.TrimStart("tcp://".ToCharArray()).Split(':');
//string ip = ss[0];
//int port = int.Parse(ss[1]);
//string errMsg = string.Empty;
//bool flag = NetUtil.TestIpAndPort(ip, port, out errMsg);
//if (flag)
//{
// sb.Append(host.Url);
// sb.Append("|");
//}
//else
//{
// string key = string.Format("{0}|{1}", ci.Name, host.Name);
// lock (hostStateInfo.SyncRoot)
// {
// if (hostStateInfo.ContainsKey(key))
// hostStateInfo[key] = errMsg;
// else
// hostStateInfo.Add(key, errMsg);
// }
//}
#endregion
}//foreach
string s = sb.ToString().TrimEnd('|');
//更新可用Host列表
lock (ht.SyncRoot)
{
if (ht.ContainsKey(ci.Name))
{
ht[ci.Name] = s;
}
else
{
ht.Add(ci.Name, s);
}
}
Thread.Sleep(interval);
}
}
