Add debug output for the getaddrinfo based DNS lookup driver.
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@ -923,6 +923,7 @@ final class EventDriverDNS_GAI(Events : EventDriverEvents, Signals : EventDriver
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override DNSLookupID lookupHost(string name, DNSLookupCallback on_lookup_finished)
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{
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debug (EventCoreLogDNS) print("lookup %s", name);
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auto handle = getFreeHandle();
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if (handle > m_maxHandle) m_maxHandle = handle;
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@ -934,18 +935,21 @@ final class EventDriverDNS_GAI(Events : EventDriverEvents, Signals : EventDriver
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auto t = task!taskFun(l, AddressFamily.UNSPEC, events, m_event);
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try taskPool.put(t);
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catch (Exception e) return DNSLookupID.invalid;
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debug (EventCoreLogDNS) print("lookup handle: %s", handle);
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return handle;
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}
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/// public
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static void taskFun(Lookup* lookup, int af, shared(Events) events, EventID event)
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{
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debug (EventCoreLogDNS) print("lookup %s start", lookup.name);
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addrinfo hints;
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hints.ai_flags = AI_ADDRCONFIG;
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version (linx) hints.ai_flags |= AI_V4MAPPED;
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hints.ai_family = af;
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() @trusted { lookup.retcode = getaddrinfo(lookup.name.toStringz(), null, af == AddressFamily.UNSPEC ? null : &hints, &lookup.result); } ();
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events.trigger(event, true);
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debug (EventCoreLogDNS) print("lookup %s finished", lookup.name);
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}
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override void cancelLookup(DNSLookupID handle)
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@ -956,11 +960,14 @@ final class EventDriverDNS_GAI(Events : EventDriverEvents, Signals : EventDriver
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private void onDNSSignal(EventID event)
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@trusted nothrow
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{
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debug (EventCoreLogDNS) print("DNS event triggered");
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m_events.wait(m_event, &onDNSSignal);
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size_t lastmax;
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foreach (i, ref l; m_lookups) {
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if (i > m_maxHandle) break;
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if (l.callback) {
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if (l.result || l.retcode) {
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debug (EventCoreLogDNS) print("found finished lookup %s for %s", i, l.name);
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auto cb = l.callback;
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auto ai = l.result;
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DNSStatus status;
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@ -976,7 +983,7 @@ final class EventDriverDNS_GAI(Events : EventDriverEvents, Signals : EventDriver
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} else lastmax = i;
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}
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}
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m_events.wait(m_event, &onDNSSignal);
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debug (EventCoreLogDNS) print("Max active DNS handle: %s", m_maxHandle);
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}
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private DNSLookupID getFreeHandle()
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@ -1,6 +1,7 @@
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/++ dub.sdl:
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name "test"
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dependency "eventcore" path=".."
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debugVersions "EventCoreLogDNS"
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+/
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module test;
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