upnp: stop asio context out of the loop

Change-Id: Iaee6527de1a599d6c79ef494637fb968a3035bbb

src/upnp/upnp_context.cpp

@@ -45,9 +45,9 @@ constexpr static uint16_t UPNP_UDP_PORT_MAX {UPNP_UDP_PORT_MIN + 5000};
 
 UPnPContext::UPnPContext(const std::shared_ptr<asio::io_context>& ioContext, const std::shared_ptr<dht::log::Logger>& logger)
  : ctx(createIoContext(ioContext, logger))
+ , logger_(logger)
  , mappingListUpdateTimer_(*ctx)
  , connectivityChangedTimer_(*ctx)
- , logger_(logger)
 {
     if (logger_) logger_->debug("Creating UPnPContext instance [{}]", fmt::ptr(this));
 
@@ -88,7 +88,6 @@ UPnPContext::shutdown(std::condition_variable& cv)
         proto->terminate();
     }
 
-    {
     std::lock_guard<std::mutex> lock(mappingMutex_);
     mappingList_->clear();
     mappingListUpdateTimer_.cancel();
@@ -98,14 +97,6 @@ UPnPContext::shutdown(std::condition_variable& cv)
     cv.notify_one();
 }
 
-    if (ioContextRunner_) {
-        if (logger_) logger_->debug("UPnPContext: stopping io_context thread");
-        ctx->stop();
-        ioContextRunner_->join();
-        ioContextRunner_.reset();
-    }
-}
-
 void
 UPnPContext::shutdown()
 {
@@ -121,6 +112,13 @@ UPnPContext::shutdown()
     } else {
         if (logger_) logger_->error("Shutdown timed-out");
     }
+
+    if (ioContextRunner_) {
+        if (logger_) logger_->debug("UPnPContext: stopping io_context thread");
+        ctx->stop();
+        ioContextRunner_->join();
+        ioContextRunner_.reset();
+    }
 }
 
 UPnPContext::~UPnPContext()