Implement the roster presences from IRC servers

src/bridge/bridge.cpp

@@ -1081,6 +1081,16 @@ void Bridge::send_xmpp_invitation(const Iid& iid, const std::string& author)
     this->xmpp.send_invitation(std::to_string(iid), this->user_jid + "/" + resource, author);
 }
 
+void Bridge::on_irc_client_connected(const std::string& hostname)
+{
+  this->xmpp.on_irc_client_connected(hostname, this->user_jid);
+}
+
+void Bridge::on_irc_client_disconnected(const std::string& hostname)
+{
+  this->xmpp.on_irc_client_disconnected(hostname, this->user_jid);
+}
+
 void Bridge::set_preferred_from_jid(const std::string& nick, const std::string& full_jid)
 {
   auto it = this->preferred_user_from.find(nick);

src/bridge/bridge.hpp

@@ -201,6 +201,8 @@ public:
   void send_xmpp_ping_request(const std::string& nick, const std::string& hostname,
                               const std::string& id);
   void send_xmpp_invitation(const Iid& iid, const std::string& author);
+  void on_irc_client_connected(const std::string& hostname);
+  void on_irc_client_disconnected(const std::string& hostname);
 
   /**
    * Misc
@@ -301,8 +303,8 @@ private:
   using ChannelKey = std::tuple<ChannelName, IrcHostname>;
 public:
   std::map<ChannelKey, std::set<Resource>> resources_in_chan;
-private:
   std::map<IrcHostname, std::set<Resource>> resources_in_server;
+private:
   /**
    * Manage which resource is in which channel
    */

src/irc/irc_client.cpp

@@ -297,6 +297,7 @@ void IrcClient::on_connected()
 #endif
   this->send_gateway_message("Connected to IRC server"s + (this->use_tls ? " (encrypted)": "") + ".");
   this->send_pending_data();
+  this->bridge.on_irc_client_connected(this->get_hostname());
 }
 
 void IrcClient::on_connection_close(const std::string& error_msg)
@@ -309,6 +310,7 @@ void IrcClient::on_connection_close(const std::string& error_msg)
   const IrcMessage error{"ERROR", {message}};
   this->on_error(error);
   log_warning(message);
+  this->bridge.on_irc_client_disconnected(this->get_hostname());
 }
 
 IrcChannel* IrcClient::get_channel(const std::string& n)

src/xmpp/biboumi_component.cpp

@@ -84,8 +84,7 @@ void BiboumiComponent::shutdown()
   for (auto& pair: this->bridges)
     pair.second->shutdown("Gateway shutdown");
 #ifdef USE_DATABASE
-  const auto full_roster = Database::get_full_roster();
-  for (const Database::RosterItem& roster_item: full_roster)
+  for (const Database::RosterItem& roster_item: Database::get_full_roster())
     {
       this->send_presence_to_contact(roster_item.col<Database::LocalJid>(),
                                      roster_item.col<Database::RemoteJid>(),
@@ -170,7 +169,7 @@ void BiboumiComponent::handle_presence(const Stanza& stanza)
       if (type == "subscribe")
         { // Auto-accept any subscription request for an IRC server
           this->send_presence_to_contact(to_str, from.bare(), "subscribed", id);
-          if (iid.type == Iid::Type::None)
+          if (iid.type == Iid::Type::None || bridge->find_irc_client(iid.get_server()))
             this->send_presence_to_contact(to_str, from.bare(), "");
           this->send_presence_to_contact(to_str, from.bare(), "subscribe");
 #ifdef USE_DATABASE
@@ -192,7 +191,8 @@ void BiboumiComponent::handle_presence(const Stanza& stanza)
       else if (type.empty())
         { // We just receive a presence from someone (as the result of a probe,
           // or a directed presence, or a normal presence change)
-          this->send_presence_to_contact(to_str, from.bare(), "");
+          if (iid.type == Iid::Type::None)
+            this->send_presence_to_contact(to_str, from.bare(), "");
         }
     }
   else
@@ -1023,6 +1023,16 @@ void BiboumiComponent::send_presence_to_contact(const std::string& from, const s
   this->send_stanza(presence);
 }
 
+void BiboumiComponent::on_irc_client_connected(const std::string& irc_hostname, const std::string& jid)
+{
+  this->send_presence_to_contact(irc_hostname + "@" + this->served_hostname, jid, "");
+}
+
+void BiboumiComponent::on_irc_client_disconnected(const std::string& irc_hostname, const std::string& jid)
+{
+  this->send_presence_to_contact(irc_hostname + "@" + this->served_hostname, jid, "unavailable");
+}
+
 void BiboumiComponent::after_handshake()
 {
   XmppComponent::after_handshake();

src/xmpp/biboumi_component.hpp

@@ -90,6 +90,9 @@ public:
   void accept_subscription(const std::string& from, const std::string& to);
   void ask_subscription(const std::string& from, const std::string& to);
   void send_presence_to_contact(const std::string& from, const std::string& to, const std::string& type, const std::string& id="");
+  void on_irc_client_connected(const std::string& irc_hostname, const std::string& jid);
+  void on_irc_client_disconnected(const std::string& irc_hostname, const std::string& jid);
+
   /**
    * Handle the various stanza types
    */