Feature net udp (#2347)

* add PMTU discovery #2329

* add socket gather/scatter capabilities #2330 (win, udp)

* enable WSAPoll

* add FastMemoryPool

* add receiveFrom() with native args

* allow copying of StringTokenizer

* add AtomicFlag and SpinlockMutex

* update .gitignore

* UDPServer and client #2343 (windows)

* fix warnings

* fix warnings

* regenerate Net VS solutions

* regenerate CppUnit projects/solutions

* clang fixes

* gcc fixes

* try to fix travis

* more travis fixes

* more travis fixes

* handle UDPClient exception

* fix makefiles and init order warnings

* add UNIX gather/scatter sendto/recvfrom implementations and tests

* run travis tests as sudo

* try to run tests as sudo, 2nd attempt

* fix warning

* use mutex in reactor

* lock-order-inversion in SocketReactor #2346

* add PMTU discovery #2329 (linux)

* ICMPSocket does not check reply address #1921

* remove some ignored tests

* add PMTU discovery #2329 (reconcile logic with #1921)

* fix native receiveFrome()

* reinstate ignoring of proxy errors

* add testMTU to ignore list

* add include atomic

* NTPClient not checking reply address #2348

* some ICMP/MTU fixes

* UDPSocketReader cleanup

* resolve some socket inheritance warnings

* add NTP time sync to ignored tests

* SocketNotifier not thread-safe #2345

* prevent x64 samples build attempt for win32

* build TestApp and Library

* fix ICMP tests

* regen VS projects

* regen VS projects and add missing 2012 files

* remove debug prints

Net/src/UDPServerParams.cpp

@@ -0,0 +1,42 @@
+//
+// UDPServerParams.cpp
+//
+// Library: Net
+// Package: UDP
+// Module:  UDPServerParams
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#include "Poco/Net/UDPServerParams.h"
+
+
+namespace Poco {
+namespace Net {
+
+
+UDPServerParams::UDPServerParams(const Poco::Net::SocketAddress& sa,
+	int nSockets,
+	Poco::Timespan timeout,
+	std::size_t handlerBufListSize,
+	bool notifySender,
+	int  backlogThreshold): _sa(sa),
+		_nSockets(nSockets),
+		_timeout(timeout),
+		_handlerBufListSize(handlerBufListSize),
+		_notifySender(notifySender),
+		_backlogThreshold(backlogThreshold)
+{
+}
+
+
+UDPServerParams::~UDPServerParams()
+{
+}
+
+
+} } // namespace Poco::Net