internal Dtos.ServiceInfo ProcessServiceInfo(Dtos.ServiceInfo serviceInfo)
{
serviceInfoMap.TryGetValue(serviceInfo.GetKey(), out var oldService);
if (serviceInfo.Hosts == null || !serviceInfo.Hosts.Any() || !serviceInfo.Validate())
{
return(oldService);
}
serviceInfoMap.AddOrUpdate(serviceInfo.GetKey(), serviceInfo, (x, y) => serviceInfo);
bool changed = IsChangedServiceInfo(oldService, serviceInfo);
if (string.IsNullOrWhiteSpace(serviceInfo.JsonFromServer))
{
serviceInfo.JsonFromServer = serviceInfo.ToJsonString();
}
if (changed)
{
_logger?.LogInformation("current ips:({0}) service: {1} -> {2}", serviceInfo.IpCount(), serviceInfo.GetKey(), serviceInfo.Hosts.ToJsonString());
if (_notifier != null)
{
_notifier.OnEvent(new InstancesChangeEvent(serviceInfo.Name, serviceInfo.GroupName, serviceInfo.Clusters, serviceInfo.Hosts));
}
DiskCache.WriteAsync(serviceInfo, cacheDir)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
return(serviceInfo);
}
private bool IsChangedServiceInfo(Dtos.ServiceInfo oldService, Dtos.ServiceInfo newService)
{
if (oldService == null)
{
_logger?.LogInformation("init new ips({0}) service: {1} -> {2}", newService.IpCount(), newService.GetKey(), newService.Hosts.ToJsonString());
return(true);
}
if (oldService.LastRefTime > newService.LastRefTime)
{
_logger?.LogWarning("out of date data received, old-t: {0}, new-t: {1}", oldService.LastRefTime, newService.LastRefTime);
}
bool changed = false;
var oldHostMap = oldService.Hosts.ToDictionary(x => x.ToInetAddr());
var newHostMap = newService.Hosts.ToDictionary(x => x.ToInetAddr());
var modHosts = newHostMap.Where(x => oldHostMap.ContainsKey(x.Key) && !x.Value.ToString().Equals(oldHostMap[x.Key].ToString()))
.Select(x => x.Value).ToList();
var newHosts = newHostMap.Where(x => !oldHostMap.ContainsKey(x.Key))
.Select(x => x.Value).ToList();
var removeHosts = oldHostMap.Where(x => !newHostMap.ContainsKey(x.Key))
.Select(x => x.Value).ToList();
if (newHosts.Count > 0)
{
changed = true;
_logger?.LogInformation(
"new ips ({0}) service: {1} -> {2}",
newHosts.Count(),
newService.GetKey(),
newHosts.ToJsonString());
}
if (removeHosts.Count() > 0)
{
changed = true;
_logger?.LogInformation(
"removed ips ({0}) service: {1} -> {2}",
removeHosts.Count(),
newService.GetKey(),
removeHosts.ToJsonString());
}
if (modHosts.Count() > 0)
{
changed = true;
_logger?.LogInformation(
"modified ips ({0}) service: {1} -> {2}",
modHosts.Count(),
newService.GetKey(),
modHosts.ToJsonString());
}
return(changed);
}
private bool IsEmptyOrErrorPush(Dtos.ServiceInfo serviceInfo) => serviceInfo.Hosts == null || !serviceInfo.Hosts.Any() || (_pushEmptyProtection && !serviceInfo.Validate());
