Replace evdns with getaddrinfo and getnameinfo (#3766)

src/OSSupport/NetworkLookup.cpp

@@ -0,0 +1,63 @@
+
+// NetworkLookup.cpp
+
+// Implements the cNetworkLookup class representing an executor for asynchronous lookup tasks
+
+
+#include "Globals.h"
+#include "NetworkLookup.h"
+
+
+
+
+cNetworkLookup::cNetworkLookup() :
+	cIsThread("NetworkLookup")
+{
+}
+
+
+
+
+
+cNetworkLookup::~cNetworkLookup()
+{
+	Stop();
+}
+
+
+
+
+
+void cNetworkLookup::ScheduleLookup(std::function<void()> a_Lookup)
+{
+	m_WorkQueue.EnqueueItem(std::move(a_Lookup));
+}
+
+
+
+
+
+void cNetworkLookup::Stop()
+{
+	m_ShouldTerminate = true;
+	m_WorkQueue.Clear();
+	m_WorkQueue.EnqueueItem([](){});  // Dummy work to wake up the thread
+	cIsThread::Stop();
+}
+
+
+
+
+
+void cNetworkLookup::Execute()
+{
+	while (!m_ShouldTerminate)
+	{
+		// Execute the next task in the queue
+		auto Work = m_WorkQueue.DequeueItem();
+		Work();
+	}
+}
+
+
+