/**
* it will invoke the worker to start working on the tasks - never returns
*/
public void run()
{
int requestNum = 0, timeoutCounter = 0;
bool needToTerminate = false;
TimeSpan totalProcessTime;
Thread.Sleep(10000);
while (needToTerminate == false)
{
DateTime startTime = DateTime.Now;
try
{
//System.Console.WriteLine("-<>--------------------------------------------------------------------------");
SyncAccessor.getSlot(2, 1);
Url task = SyncAccessor.getFromQueue <Url>(_tasks, _timer);
//System.Console.WriteLine(" Start Working on : " + task.getUrl() + " ...");
ResourceContent content = _fetchers.fetchResource(task.getUrl());
if (content.isValid() != true)
{
timeoutCounter++;
//System.Console.WriteLine(" Fetch Failed Ignoring ... ");
continue;
}
//System.Console.WriteLine(" Fetched Successfully ... ");
ResourceContent modifiedContent = new ResourceContent(content.getResourceUrl(), content.getResourceType()
, content.getResourceContent(), content.getReturnCode(), task.getRank());
DateTime startProcess = DateTime.Now;
_processors.processResource(modifiedContent);
DateTime endProcess = DateTime.Now;
totalProcessTime = endProcess - startProcess;
//System.Console.WriteLine(" URL Processed Successfully ... ");
System.Console.WriteLine(" URL Processed Successfully ... ");
}
catch (Exception e)
{
//System.Console.WriteLine("[Exception Happened] " + e);
RuntimeStatistics.addToErrors(1);
continue;
}
DateTime endTime = DateTime.Now;
TimeSpan totalRequestTime = endTime - startTime;
if (LogDebuggerControl.getInstance().enableTiming)
{
// write request time to timing log file
StreamWriter sw = new
StreamWriter("_DEBUG_INFO_TIMING@" + System.Threading.Thread.CurrentThread.ManagedThreadId + ".txt", true);
sw.WriteLine(" TIMING FOR REQ - " + requestNum++ + " takes about " + totalRequestTime.TotalSeconds + " s, Processed At " + totalProcessTime.TotalSeconds + " s");
sw.Close();
}
}
}
/**
* This is a test method that checks if the class resourceContent works fine
*/
public static void Test()
{
String rsrcurl = "www.adamsearch.com";
ResourceType rsrcType = ResourceType.HtmlResource;
String rsrcContent = "Please click the next buttom to start crawling !!";
int rtrnCode = 200;
ResourceContent htmlResource1 = new ResourceContent(rsrcurl, rsrcType, rsrcContent, rtrnCode,0);
Console.WriteLine("The resource is : " + htmlResource1.isValid());
Console.WriteLine("Get url: " + htmlResource1.getResourceUrl());
Console.WriteLine("Get resourceType: " + htmlResource1.getResourceType());
Console.WriteLine("Get resourceContent: " + htmlResource1.getResourceContent());
Console.WriteLine("to string:\n" + htmlResource1);
}
/**
* This is a test method that checks if the class resourceContent works fine
*/
public static void Test()
{
String rsrcurl = "www.adamsearch.com";
ResourceType rsrcType = ResourceType.HtmlResource;
String rsrcContent = "Please click the next buttom to start crawling !!";
int rtrnCode = 200;
ResourceContent htmlResource1 = new ResourceContent(rsrcurl, rsrcType, rsrcContent, rtrnCode, 0);
Console.WriteLine("The resource is : " + htmlResource1.isValid());
Console.WriteLine("Get url: " + htmlResource1.getResourceUrl());
Console.WriteLine("Get resourceType: " + htmlResource1.getResourceType());
Console.WriteLine("Get resourceContent: " + htmlResource1.getResourceContent());
Console.WriteLine("to string:\n" + htmlResource1);
}
/**
* This method process the given content, it will log the return code for
* statistic anlaysis and processing the resource via the attached processors;
* note if the recourse is illegal so the content will be ignored and there's no
* further processment on it.
*/
public void processResource(ResourceContent resource)
{
if (resource.isValid() == false)
{
failure++;
return;
}
else
{
success++;
}
foreach (String processorId in resourceProcessors.Keys)
{
if (resourceProcessors[processorId].canProcess(resource) == true)
resourceProcessors[processorId].process(resource);
}
}
/**
* This method process the given content, it will log the return code for
* statistic anlaysis and processing the resource via the attached processors;
* note if the recourse is illegal so the content will be ignored and there's no
* further processment on it.
*/
public void processResource(ResourceContent resource)
{
if (resource.isValid() == false)
{
failure++;
return;
}
else
{
success++;
}
foreach (String processorId in resourceProcessors.Keys)
{
if (resourceProcessors[processorId].canProcess(resource) == true)
{
resourceProcessors[processorId].process(resource);
}
}
}
/**
* This method returns a boolean value which indicates if the given resource
* can be processed by the processor or not
*/
public bool canProcess(ResourceContent resource)
{
return(resource.isValid());
}
/**
* This method returns a boolean value which indicates if the given resource
* can be processed by the processor or not
*/
public bool canProcess(ResourceContent resource)
{
return (resource.isValid());
}