private static ByteTable CountProducerConsumer(string fileName)
{
var queue = new BlockingCollection <byte[]>(100);
var producer = new Thread(() => {
foreach (var chunk in ReadFileChunks(fileName))
{
queue.Add(chunk);
}
queue.Add(null);
});
var table = new ByteTable();
var consumer = new Thread(() => {
while (true)
{
var buffer = queue.Take();
if (buffer == null)
{
return;
}
table.add(buffer.CountBytes());
}
});
producer.Start();
consumer.Start();
producer.Join();
consumer.Join();
return(table);
}
private static ByteTable CountProducerNConsumers(string fileName, int n)
{
var queue = new BlockingCollection <byte[]>(100);
var producer = new Thread(() => {
foreach (var chunk in ReadFileChunks(fileName))
{
queue.Add(chunk);
}
});
var table = new ByteTable();
var consumers = Enumerable.Range(0, n).Select(_ => {
return(new Thread(() => {
while (true)
{
var buffer = queue.Take();
if (buffer == null)
{
return;
}
var count = buffer.CountBytes();
lock (table)
{
table.add(count);
}
}
}));
}).ToArray();
producer.Start();
foreach (var c in consumers)
{
c.Start();
}
producer.Join();
foreach (var c in consumers)
{
queue.Add(null);
}
foreach (var c in consumers)
{
c.Join();
}
return(table);
}
