Save our own host, as reported by the server

src/irc/irc_client.cpp

@@ -59,6 +59,7 @@ static const std::unordered_map<std::string,
   {"333", {&IrcClient::on_topic_who_time_received, {4, 0}}},
   {"RPL_TOPICWHOTIME", {&IrcClient::on_topic_who_time_received, {4, 0}}},
   {"366", {&IrcClient::on_channel_completely_joined, {2, 0}}},
+  {"396", {&IrcClient::on_own_host_received, {2, 0}}},
   {"432", {&IrcClient::on_erroneous_nickname, {2, 0}}},
   {"433", {&IrcClient::on_nickname_conflict, {2, 0}}},
   {"438", {&IrcClient::on_nickname_change_too_fast, {2, 0}}},
@@ -746,6 +747,18 @@ void IrcClient::on_channel_completely_joined(const IrcMessage& message)
   this->bridge.send_topic(this->hostname, chan_name, channel->topic, channel->topic_author);
 }
 
+void IrcClient::on_own_host_received(const IrcMessage& message)
+{
+  this->own_host = message.arguments[1];
+  const std::string from = message.prefix;
+  if (message.arguments.size() >= 3)
+    this->bridge.send_xmpp_message(this->hostname, from,
+                                   this->own_host + " " + message.arguments[2]);
+  else
+    this->bridge.send_xmpp_message(this->hostname, from, this->own_host +
+                                                         " is now your displayed host");
+}
+
 void IrcClient::on_erroneous_nickname(const IrcMessage& message)
 {
   const std::string error_msg = message.arguments.size() >= 3 ?

src/irc/irc_client.hpp

@@ -217,6 +217,10 @@ public:
    * received etc), send the self presence and topic to the XMPP user.
    */
   void on_channel_completely_joined(const IrcMessage& message);
+  /**
+   * Save our own host, as reported by the server
+   */
+  void on_own_host_received(const IrcMessage& message);
   /**
    * We tried to set an invalid nickname
    */
@@ -283,6 +287,12 @@ private:
    * The hostname of the server we are connected to.
    */
   const std::string hostname;
+  /**
+   * Our own host, as reported by the IRC server.
+   * By default (and if it is not overridden by the server), it is a
+   * meaningless string, with the maximum allowed size
+   */
+  std::string own_host{63, '*'};
   /**
    * The hostname of the user.  This is used in the USER and the WEBIRC
    * commands, but only the one in WEBIRC will be used by the IRC server.