]> git.stg.codes - stg.git/blobdiff - projects/stargazer/plugins/other/ping/ping.cpp
Complete replacement notifiers with subscriptions.
[stg.git] / projects / stargazer / plugins / other / ping / ping.cpp
index 53f7b2f02b8bdf929d540f98358347ac69ffa6e2..db081f7e5af12ab75b50dbeb1ca1f4b03a7d5a2a 100644 (file)
@@ -4,43 +4,32 @@
 #include "stg/locker.h"
 #include "stg/user_property.h"
 
+#include <algorithm>
 #include <cstdio>
 #include <cassert>
 #include <csignal>
 #include <ctime>
-#include <algorithm>
+
+using STG::PING;
+using STG::PING_SETTINGS;
 
 namespace
 {
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-template <typename varType>
-class HAS_USER: public std::binary_function<varType, UserPtr, bool>
-{
-public:
-    explicit HAS_USER(const UserPtr & u) : user(u) {}
-    bool operator()(varType notifier) const
-        {
-        return notifier.GetUser() == user;
-        }
-private:
-    const UserPtr & user;
-};
-}
 
 extern "C" STG::Plugin* GetPlugin()
 {
     static PING plugin;
     return &plugin;
 }
+
+}
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-int PING_SETTINGS::ParseSettings(const STG::ModuleSettings & s)
+int PING_SETTINGS::ParseSettings(const ModuleSettings & s)
 {
-STG::ParamValue pv;
-std::vector<STG::ParamValue>::const_iterator pvi;
+ParamValue pv;
+std::vector<ParamValue>::const_iterator pvi;
 
 pv.param = "PingDelay";
 pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
@@ -50,7 +39,7 @@ if (pvi == s.moduleParams.end() || pvi->value.empty())
     printfd(__FILE__, "Parameter 'PingDelay' not found\n");
     return -1;
     }
-if (ParseIntInRange(pvi->value[0], 5, 3600, &pingDelay))
+if (ParseIntInRange(pvi->value[0], 5, 3600, &pingDelay) != 0)
     {
     errorStr = "Cannot parse parameter \'PingDelay\': " + errorStr;
     printfd(__FILE__, "Canot parse parameter 'PingDelay'\n");
@@ -61,22 +50,16 @@ return 0;
 }
 //-----------------------------------------------------------------------------
 PING::PING()
-    : users(NULL),
+    : users(nullptr),
       isRunning(false),
-      onAddUserNotifier(*this),
-      onDelUserNotifier(*this),
-      logger(STG::PluginLogger::get("ping"))
-{
-}
-//-----------------------------------------------------------------------------
-PING::~PING()
+      logger(PluginLogger::get("ping"))
 {
 }
 //-----------------------------------------------------------------------------
 int PING::ParseSettings()
 {
-int ret = pingSettings.ParseSettings(settings);
-if (ret)
+auto ret = pingSettings.ParseSettings(settings);
+if (ret != 0)
     errorStr = pingSettings.GetStrError();
 return ret;
 }
@@ -85,13 +68,13 @@ int PING::Start()
 {
 GetUsers();
 
-users->AddNotifierUserAdd(&onAddUserNotifier);
-users->AddNotifierUserDel(&onDelUserNotifier);
+m_onAddUserConn = users->onAdd([this](auto user){ AddUser(user); });
+m_onDelUserConn = users->onDel([this](auto user){ DelUser(user); });
 
 pinger.SetDelayTime(pingSettings.GetPingDelay());
 pinger.Start();
 
-m_thread = std::jthread([this](auto token){ Run(token); });
+m_thread = std::jthread([this](auto token){ Run(std::move(token)); });
 
 return 0;
 }
@@ -112,19 +95,13 @@ for (int i = 0; i < 25; i++)
     if (!isRunning)
         break;
 
-    nanosleep(&ts, NULL);
+    nanosleep(&ts, nullptr);
     }
 
-users->DelNotifierUserAdd(&onAddUserNotifier);
-users->DelNotifierUserDel(&onDelUserNotifier);
+m_onAddUserConn.disconnect();
+m_onDelUserConn.disconnect();
 
-std::list<UserPtr>::iterator users_iter;
-users_iter = usersList.begin();
-while (users_iter != usersList.end())
-    {
-    UnSetUserNotifiers(*users_iter);
-    ++users_iter;
-    }
+m_conns.clear();
 
 if (isRunning)
     m_thread.detach();
@@ -143,7 +120,7 @@ void PING::Run(std::stop_token token)
 {
 sigset_t signalSet;
 sigfillset(&signalSet);
-pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+pthread_sigmask(SIG_BLOCK, &signalSet, nullptr);
 
 isRunning = true;
 
@@ -151,7 +128,7 @@ long delay = (10000000 * pingSettings.GetPingDelay()) / 3 + 50000000;
 
 while (!token.stop_requested())
     {
-    std::list<UserPtr>::iterator iter = usersList.begin();
+    auto iter = usersList.begin();
         {
         std::lock_guard lock(m_mutex);
         while (iter != usersList.end())
@@ -162,19 +139,19 @@ while (!token.stop_requested())
                 time_t t;
                 if (pinger.GetIPTime(ip, &t) == 0)
                     {
-                    if (t)
+                    if (t != 0)
                         (*iter)->UpdatePingTime(t);
                     }
                 }
             else
                 {
                 uint32_t ip = (*iter)->GetCurrIP();
-                if (ip)
+                if (ip != 0)
                     {
                     time_t t;
                     if (pinger.GetIPTime(ip, &t) == 0)
                         {
-                        if (t)
+                        if (t != 0)
                             (*iter)->UpdatePingTime(t);
                         }
                     }
@@ -187,7 +164,7 @@ while (!token.stop_requested())
         {
         if (!token.stop_requested())
             {
-            nanosleep(&ts, NULL);
+            nanosleep(&ts, nullptr);
             }
         }
     }
@@ -197,47 +174,18 @@ isRunning = false;
 //-----------------------------------------------------------------------------
 void PING::SetUserNotifiers(UserPtr u)
 {
-CHG_CURRIP_NOTIFIER_PING ChgCurrIPNotifier(*this, u);
-CHG_IPS_NOTIFIER_PING ChgIPNotifier(*this, u);
-
-ChgCurrIPNotifierList.push_front(ChgCurrIPNotifier);
-ChgIPNotifierList.push_front(ChgIPNotifier);
-
-u->AddCurrIPAfterNotifier(&(*ChgCurrIPNotifierList.begin()));
-u->GetProperties().ips.AddAfterNotifier(&(*ChgIPNotifierList.begin()));
+    m_conns.emplace_back(
+        u->GetID(),
+        u->afterCurrIPChange([this](auto oldVal, auto newVal){ updateCurrIP(oldVal, newVal); }),
+        u->GetProperties().ips.afterChange([this](const auto& oldVal, const auto& newVal){ updateIPs(oldVal, newVal); })
+    );
 }
 //-----------------------------------------------------------------------------
 void PING::UnSetUserNotifiers(UserPtr u)
 {
-// ---          CurrIP              ---
-HAS_USER<CHG_CURRIP_NOTIFIER_PING> IsContainsUserCurrIP(u);
-HAS_USER<CHG_IPS_NOTIFIER_PING> IsContainsUserIP(u);
-
-std::list<CHG_CURRIP_NOTIFIER_PING>::iterator currIPter;
-std::list<CHG_IPS_NOTIFIER_PING>::iterator IPIter;
-
-currIPter = find_if(ChgCurrIPNotifierList.begin(),
-                    ChgCurrIPNotifierList.end(),
-                    IsContainsUserCurrIP);
-
-if (currIPter != ChgCurrIPNotifierList.end())
-    {
-    currIPter->GetUser()->DelCurrIPAfterNotifier(&(*currIPter));
-    ChgCurrIPNotifierList.erase(currIPter);
-    }
-// ---         CurrIP end          ---
-
-// ---          IP              ---
-IPIter = find_if(ChgIPNotifierList.begin(),
-                 ChgIPNotifierList.end(),
-                 IsContainsUserIP);
-
-if (IPIter != ChgIPNotifierList.end())
-    {
-    IPIter->GetUser()->GetProperties().ips.DelAfterNotifier(&(*IPIter));
-    ChgIPNotifierList.erase(IPIter);
-    }
-// ---          IP end          ---
+    m_conns.erase(std::remove_if(m_conns.begin(), m_conns.end(),
+                                 [u](const auto& c){ return std::get<0>(c) == u->GetID(); }),
+                  m_conns.end());
 }
 //-----------------------------------------------------------------------------
 void PING::GetUsers()
@@ -259,7 +207,7 @@ while (users->SearchNext(h, &u) == 0)
     else
         {
         uint32_t ip = u->GetCurrIP();
-        if (ip)
+        if (ip != 0)
             pinger.AddIP(ip);
         }
     }
@@ -295,29 +243,18 @@ while (users_iter != usersList.end())
     }
 }
 //-----------------------------------------------------------------------------
-void CHG_CURRIP_NOTIFIER_PING::Notify(const uint32_t & oldIP, const uint32_t & newIP)
+void PING::updateCurrIP(uint32_t oldVal, uint32_t newVal)
 {
-ping.pinger.DelIP(oldIP);
-if (newIP)
-    ping.pinger.AddIP(newIP);
+    pinger.DelIP(oldVal);
+    if (newVal != 0)
+        pinger.AddIP(newVal);
 }
 //-----------------------------------------------------------------------------
-void CHG_IPS_NOTIFIER_PING::Notify(const STG::UserIPs & oldIPS, const STG::UserIPs & newIPS)
+void PING::updateIPs(const UserIPs& oldVal, const UserIPs& newVal)
 {
-if (oldIPS.onlyOneIP())
-    ping.pinger.DelIP(oldIPS[0].ip);
+    if (oldVal.onlyOneIP())
+        pinger.DelIP(oldVal[0].ip);
 
-if (newIPS.onlyOneIP())
-    ping.pinger.AddIP(newIPS[0].ip);
-}
-//-----------------------------------------------------------------------------
-void ADD_USER_NONIFIER_PING::Notify(const UserPtr & user)
-{
-ping.AddUser(user);
+    if (newVal.onlyOneIP())
+        pinger.AddIP(newVal[0].ip);
 }
-//-----------------------------------------------------------------------------
-void DEL_USER_NONIFIER_PING::Notify(const UserPtr & user)
-{
-ping.DelUser(user);
-}
-//-----------------------------------------------------------------------------