Throttle plugin small fixes

Author: Maxim Solovev

src/DependencyInjection/Configuration.php

@@ -629,10 +629,10 @@ private function addSharedPluginNodes(ArrayNodeDefinition $pluginNode, $disableA
             ->canBeEnabled()
             ->addDefaultsIfNotSet()
             ->children()
-                ->scalarNode('name')->end()
-                ->scalarNode('key')->defaultNull()->end()
-                ->integerNode('tokens')->defaultValue(1)->end()
-                ->floatNode('max_time')->defaultNull()->end()
+                ->scalarNode('name')->isRequired()->info('Rate limiter configuration name from rate_limiter.yaml')->end()
+                ->scalarNode('key')->defaultNull()->info('A unique key for using one rate limiter name for different clients')->end()
+                ->integerNode('tokens')->defaultValue(1)->info('How many tokens spending per request')->end()
+                ->floatNode('max_time')->defaultNull()->info('Maximum accepted waiting time in seconds')->end()
             ->end()
         ->end();
         // End throttle plugin

src/DependencyInjection/HttplugExtension.php

@@ -299,14 +299,14 @@ private function configurePluginByName($name, Definition $definition, array $con
                     throw new InvalidConfigurationException('You need to require the Throttle Plugin to be able to use it: "composer require php-http/throttle-plugin".');
                 }
 
-                $key = $config['name'] ? '.'.$config['name'] : '';
+                $limiterServiceId = $serviceId.'.'.$config['name'];
                 $container
-                    ->register($serviceId.$key, LimiterInterface::class)
+                    ->register($limiterServiceId, LimiterInterface::class)
                     ->setFactory([new Reference('limiter.'.$config['name']), 'create'])
                     ->addArgument($config['key'])
                     ->setPublic(false);
 
-                $definition->replaceArgument(0, new Reference($serviceId.$key));
+                $definition->replaceArgument(0, new Reference($limiterServiceId));
                 $definition->setArgument('$tokens', $config['tokens']);
                 $definition->setArgument('$maxTime', $config['max_time']);