public async Task <HostInfoAnalyzeResult> AnalyzeHostsAsync()
{
HostInfoAnalyzeResult result = new HostInfoAnalyzeResult();
try
{
var hostInfos = await reader.ReadAsync();
result.HostsCount = hostInfos.Count;
Task <HostInfo[]> aggregateTask = null;
try
{
var tasks = hostInfos.Select(hi => resolver.ResolveIpAsync(hi)).ToArray();
aggregateTask = Task.WhenAll(tasks);
await aggregateTask;
result.SuccessAnalyzedHostCount = tasks.Length;
}
catch (Exception)
{
result.SuccessAnalyzedHostCount = result.HostsCount - aggregateTask.Exception.InnerExceptions.Count;
loggerFacade.Log(LogLevel.Error, "Resolving ip address problem.", aggregateTask.Exception);
}
await writer.WriteAsync(hostInfos);
result.HostInfoSuccessSaved = true;
}
catch (Exception e)
{
loggerFacade.Log(LogLevel.Error, "Can't analyze hosts", e);
}
return(result);
}
public async Task <HostInfo> ResolveIpAsync(HostInfo hostInfo)
{
try
{
return(await resolver.ResolveIpAsync(hostInfo));
}
catch (Exception e)
{
logger.Log(
LogLevel.Error,
$"Can't resolve ip address from host {hostInfo.Url}",
e);
throw;
}
}