private async Task CreateCrawlerTask(string organizationId, string hostname, int port, HashSet <IPAddressRange> ranges, CancellationToken token)
{
logger.Info(string.Format(CultureInfo.InvariantCulture, "Starting crawler for organizationId: {0}, hostname: {1}, port: {2}", organizationId, hostname, port));
var outFile = Path.Combine(this.outputPath, string.Format(CultureInfo.InvariantCulture, "{0}.txt", organizationId));
var consumer = new RWhoisConsumer(outFile.ToString());
try
{
var crawler = new RWhoisCrawler(hostname, port, attemptCrawlOrganizations: this.attemptCrawlOrganizations);
await crawler.ConnectAsync();
crawler.Subscribe(consumer);
await crawler.CrawlRangesAsync(ranges, token);
logger.Info(string.Format(CultureInfo.InvariantCulture, "Done with crawler for organizationId: {0}, hostname: {1}, port: {2}", organizationId, hostname, port));
consumer.OnCompleted();
}
catch (OperationCanceledException ex)
{
logger.Warn(string.Format(CultureInfo.InvariantCulture, "Crawling was cancelled, exception raised: {0}", ex.Message));
consumer.OnError(ex);
}
catch (Exception ex)
{
logger.Error(ex);
consumer.OnError(ex);
}
}
private async Task CreateCrawlerTask(string organizationId, string hostname, int port, HashSet <IPAddressRange> ranges)
{
try
{
logger.Info(string.Format(CultureInfo.InvariantCulture, "Starting crawler for organizationId: {0}, hostname: {1}, port: {2}", organizationId, hostname, port));
var crawler = new RWhoisCrawler(hostname, port, attemptCrawlOrganizations: this.attemptCrawlOrganizations);
await crawler.ConnectAsync();
var outFile = Path.Combine(this.outputPath, string.Format(CultureInfo.InvariantCulture, "{0}.txt", organizationId));
var consumer = new RWhoisConsumer(outFile.ToString());
crawler.Subscribe(consumer);
await crawler.CrawlRangesAsync(ranges);
logger.Info(string.Format(CultureInfo.InvariantCulture, "Done with crawler for organizationId: {0}, hostname: {1}, port: {2}", organizationId, hostname, port));
}
catch (Exception ex)
{
logger.Error(ex);
}
}