- string AccessSchema = U.Access + ':',
- FullQueueName = AccessSchema + U.Host;
+ string AccessSchema = U.Access + ':';
+ string FullQueueName;
+
+ if (U.Host.empty())
+ {
+ long existing = 0;
+ // check how many queues exist already and reuse empty ones
+ for (Queue const *I = Queues; I != 0; I = I->Next)
+ if (I->Name.compare(0, AccessSchema.length(), AccessSchema) == 0)
+ {
+ if (I->Items == nullptr)
+ return I->Name;
+ ++existing;
+ }
+
+#ifdef _SC_NPROCESSORS_ONLN
+ long cpuCount = sysconf(_SC_NPROCESSORS_ONLN) * 2;
+#else
+ long cpuCount = 10;
+#endif
+ cpuCount = _config->FindI("Acquire::QueueHost::Limit", cpuCount);
+
+ if (cpuCount <= 0 || existing < cpuCount)
+ strprintf(FullQueueName, "%s%ld", AccessSchema.c_str(), existing);
+ else
+ {
+ long const randomQueue = random() % cpuCount;
+ strprintf(FullQueueName, "%s%ld", AccessSchema.c_str(), randomQueue);
+ }
+
+ if (Debug)
+ clog << "Chose random queue " << FullQueueName << " for " << Uri << endl;
+ } else
+ {
+ FullQueueName = AccessSchema + U.Host;
+ }