Draft: Resolve "Unix Socket Server schreiben"

Closes #3 (closed)

src/net/connection_client.cpp

@@ -15,6 +15,7 @@ namespace rmrf::net {
 
         if (this->server_active) {
             io.stop();
+            this->net_socket.reset();
         }
 
         if (destructor_cb) {
@@ -31,7 +32,7 @@ namespace rmrf::net {
         }
 
         if (events & ::ev::READ) {
-            if(this->in_data_cb != nullptr)
+            if (this->in_data_cb != nullptr)
                 this->read_from_socket(w);
         }
 
@@ -52,19 +53,27 @@ namespace rmrf::net {
 
                 if (partial_write_allowed)
                     this->write_queue.push_front(buffer);
+
                 this->data_write_active = false;
             }
         }
 
         set_new_flags();
     }
-    
+
     void connection_client::stop_server() {
         this->server_active = false;
+        this->net_socket.reset();
+        this->write_queue.clear();
         io.stop();
+        async.stop();
     }
 
     void connection_client::set_incomming_data_callback(const incomming_data_cb &cb) {
+        if (!this->server_active) {
+            return;
+        }
+
         this->in_data_cb = cb;
         this->async.send();
     }