Re-work of thread model

ext/ZeroTierOne.patch

@@ -36,29 +36,3 @@ index 74c22d33..58979e26 100644
  			if (i < nqcb->oldQueues.size()) {
  				if (nqcb->oldQueues[i]->byteLength > maxQueueLength) {
  					maxQueueLength = nqcb->oldQueues[i]->byteLength;
-diff --git a/service/OneService.cpp b/service/OneService.cpp
-index a1c53764..e3034059 100644
---- a/service/OneService.cpp
-+++ b/service/OneService.cpp
-@@ -625,6 +625,8 @@ public:
- 						break;
- 					if (!pkt)
- 						break;
-+					if (!_run)
-+						break;
- 
- 					const ZT_ResultCode rc = _node->processWirePacket(nullptr,pkt->now,pkt->sock,&(pkt->from),pkt->data,pkt->size,&_nextBackgroundTaskDeadline);
- 					{
-@@ -2244,6 +2246,12 @@ public:
- #endif
- 					syncManagedStuff(n,true,true);
- 					n.tap->setMtu(nwc->mtu);
-+#if defined(ZT_SDK)
-+					// Inform the virtual tap of the update
-+					if (op == ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_CONFIG_UPDATE) {
-+						n.tap->lastConfigUpdate(OSUtils::now());
-+					}
-+#endif
- 				} else {
- 					_nets.erase(nwid);
- 					return -999; // tap init failed

ext/concurrentqueue/LICENSE.md

@@ -0,0 +1,61 @@
+This license file applies to everything in this repository except that which
+is explicitly annotated as being written by other authors, i.e. the Boost
+queue (included in the benchmarks for comparison), Intel's TBB library (ditto),
+the CDSChecker tool (used for verification), the Relacy model checker (ditto),
+and Jeff Preshing's semaphore implementation (used in the blocking queue) which
+has a zlib license (embedded in blockingconcurrentqueue.h).
+
+---
+
+Simplified BSD License:
+
+Copyright (c) 2013-2016, Cameron Desrochers.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+- Redistributions of source code must retain the above copyright notice, this list of
+conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright notice, this list of
+conditions and the following disclaimer in the documentation and/or other materials
+provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+---
+
+I have also chosen to dual-license under the Boost Software License as an alternative to
+the Simplified BSD license above:
+
+Boost Software License - Version 1.0 - August 17th, 2003
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

ext/lwip-contrib.patch

@@ -1,32 +0,0 @@
-diff --git a/ports/unix/port/include/arch/cc.h b/ports/unix/port/include/arch/cc.h
-index 80b37d8..ae46d76 100644
---- a/ports/unix/port/include/arch/cc.h
-+++ b/ports/unix/port/include/arch/cc.h
-@@ -32,6 +32,8 @@
- #ifndef LWIP_ARCH_CC_H
- #define LWIP_ARCH_CC_H
- 
-+#include "include/Debug.hpp" // libzt
-+
- /* see https://sourceforge.net/p/predef/wiki/OperatingSystems/ */
- #if defined __ANDROID__
- #define LWIP_UNIX_ANDROID
-@@ -65,7 +67,7 @@
- #endif
- 
- #if defined(LWIP_UNIX_ANDROID) && defined(FD_SET)
--typedef __kernel_fd_set fd_set;
-+//typedef __kernel_fd_set fd_set;
- #endif
- 
- #if defined(LWIP_UNIX_MACH)
-@@ -81,6 +83,9 @@ typedef struct sio_status_s sio_status_t;
- #define sio_fd_t sio_status_t*
- #define __sio_fd_t_defined
- 
-+// Comment out the following line to use lwIP's default diagnostic printing routine
-+#define LWIP_PLATFORM_DIAG(x)    do {DEBUG_INFO x;} while(0)
-+
- typedef unsigned int sys_prot_t;
- 
- #endif /* LWIP_ARCH_CC_H */

ext/lwipopts.h

@@ -1,2 +0,0 @@
-// Refers to the actual lwIP stack driver location
-#include "../include/lwipopts.h"