From c2311b2893f3db755b67c43e5ad60cef66b10ab2 Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Fri, 30 May 2014 16:08:23 +0200
Subject: Send (every 240s) a PING command to all connected irc servers

fix #2452
---
 src/bridge/bridge.cpp  |  5 +++++
 src/bridge/bridge.hpp  |  4 ++++
 src/irc/irc_client.cpp | 15 +++++++++++++++
 src/irc/irc_client.hpp |  1 +
 4 files changed, 25 insertions(+)

(limited to 'src')

diff --git a/src/bridge/bridge.cpp b/src/bridge/bridge.cpp
index 70650a5..3377135 100644
--- a/src/bridge/bridge.cpp
+++ b/src/bridge/bridge.cpp
@@ -63,6 +63,11 @@ void Bridge::clean()
   }
 }
 
+const std::string& Bridge::get_jid() const
+{
+  return this->user_jid;
+}
+
 Xmpp::body Bridge::make_xmpp_body(const std::string& str)
 {
   std::string res;
diff --git a/src/bridge/bridge.hpp b/src/bridge/bridge.hpp
index 2618ca6..9c06947 100644
--- a/src/bridge/bridge.hpp
+++ b/src/bridge/bridge.hpp
@@ -32,6 +32,10 @@ public:
    * Remove all inactive IrcClients
    */
   void clean();
+  /**
+   * Return the jid of the XMPP user using this bridge
+   */
+  const std::string& get_jid() const;
 
   static Xmpp::body make_xmpp_body(const std::string& str);
   /***
diff --git a/src/irc/irc_client.cpp b/src/irc/irc_client.cpp
index f08e9d6..01bf569 100644
--- a/src/irc/irc_client.cpp
+++ b/src/irc/irc_client.cpp
@@ -1,3 +1,4 @@
+#include <utils/timed_events.hpp>
 #include <irc/irc_message.hpp>
 #include <irc/irc_client.hpp>
 #include <bridge/bridge.hpp>
@@ -10,8 +11,11 @@
 #include <iostream>
 #include <stdexcept>
 
+#include <chrono>
 #include <string>
+
 using namespace std::string_literals;
+using namespace std::chrono_literals;
 
 IrcClient::IrcClient(std::shared_ptr<Poller> poller, const std::string& hostname, const std::string& username, Bridge* bridge):
   SocketHandler(poller),
@@ -35,6 +39,9 @@ IrcClient::IrcClient(std::shared_ptr<Poller> poller, const std::string& hostname
 
 IrcClient::~IrcClient()
 {
+  // This event may or may not exist (if we never got connected, it
+  // doesn't), but it's ok
+  TimedEventsManager::instance().cancel("PING"s + this->hostname + this->bridge->get_jid());
 }
 
 void IrcClient::start()
@@ -238,6 +245,11 @@ void IrcClient::send_pong_command(const IrcMessage& message)
   this->send_message(IrcMessage("PONG", {id}));
 }
 
+void IrcClient::send_ping_command()
+{
+  this->send_message(IrcMessage("PING", {"biboumi"}));
+}
+
 void IrcClient::forward_server_message(const IrcMessage& message)
 {
   const std::string from = message.prefix;
@@ -447,6 +459,9 @@ void IrcClient::on_welcome_message(const IrcMessage& message)
 {
   this->current_nick = message.arguments[0];
   this->welcomed = true;
+  // Install a repeated events to regularly send a PING
+  TimedEventsManager::instance().add_event(TimedEvent(240s, std::bind(&IrcClient::send_ping_command, this),
+                                                      "PING"s + this->hostname + this->bridge->get_jid()));
   for (const std::string& chan_name: this->channels_to_join)
     this->send_join_command(chan_name);
   this->channels_to_join.clear();
diff --git a/src/irc/irc_client.hpp b/src/irc/irc_client.hpp
index e6fb393..2f28c95 100644
--- a/src/irc/irc_client.hpp
+++ b/src/irc/irc_client.hpp
@@ -70,6 +70,7 @@ public:
    * Send the PONG irc command
    */
   void send_pong_command(const IrcMessage& message);
+  void send_ping_command();
   /**
    * Send the USER irc command
    */
-- 
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