proxy client: resubscribe on token change

include/opendht/dht_proxy_client.h

@@ -67,13 +67,7 @@ public:
 
     void setHeaderFields(http::Request& request);
 
-    virtual void setPushNotificationToken(const std::string& token) override {
-#ifdef OPENDHT_PUSH_NOTIFICATIONS
-        deviceKey_ = token;
-#else
-        (void) token;
-#endif
-    }
+    virtual void setPushNotificationToken(const std::string& token) override;
 
     virtual void setPushNotificationTopic(const std::string& topic) override {
 #ifdef OPENDHT_PUSH_NOTIFICATIONS

src/dht_proxy_client.cpp

@@ -1394,4 +1394,24 @@ DhtProxyClient::fillBody(bool resubscribe)
 }
 #endif // OPENDHT_PUSH_NOTIFICATIONS
 
+void
+DhtProxyClient::setPushNotificationToken([[maybe_unused]] const std::string& token) {
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+    std::unique_lock<std::mutex> l(lockCurrentProxyInfos_);
+    if (deviceKey_ != token) {
+        deviceKey_ = token;
+        if (statusIpv4_ == NodeStatus::Connected || statusIpv6_ == NodeStatus::Connected) {
+            if (logger_)
+                logger_->d("[proxy:client] [push] token changed, resubscribing");
+            for (auto& search : searches_) {
+                for (auto& listener : search.second.listeners) {
+                    resubscribe(search.first, listener.first, listener.second);
+                }
+            }
+        }
+    }
+#endif
+}
+
+
 } // namespace dht