Shutdown cleanly on SIGINT

src/bridge/bridge.cpp

@@ -21,6 +21,14 @@ Bridge::~Bridge()
 {
 }
 
+void Bridge::shutdown()
+{
+  for (auto it = this->irc_clients.begin(); it != this->irc_clients.end(); ++it)
+  {
+    it->second->send_quit_command();
+  }
+}
+
 Xmpp::body Bridge::make_xmpp_body(const std::string& str)
 {
   std::string res;

src/bridge/bridge.hpp

@@ -24,6 +24,10 @@ class Bridge
 public:
   explicit Bridge(const std::string& user_jid, XmppComponent* xmpp, Poller* poller);
   ~Bridge();
+  /**
+   * QUIT all connected IRC servers.
+   */
+  void shutdown();
 
   static Xmpp::body make_xmpp_body(const std::string& str);
   /***