]> 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 169ac61df986af04f29df2fc5a8605f4c674bd76..db081f7e5af12ab75b50dbeb1ca1f4b03a7d5a2a 100644 (file)
@@ -1,84 +1,45 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <signal.h>
+#include "ping.h"
+
+#include "stg/user.h"
+#include "stg/locker.h"
+#include "stg/user_property.h"
 
 #include <algorithm>
+#include <cstdio>
+#include <cassert>
+#include <csignal>
+#include <ctime>
 
-#include "ping.h"
-#include "user.h"
-#include "stg_locker.h"
-#include "user_property.h"
-#include "../../../settings.h"
+using STG::PING;
+using STG::PING_SETTINGS;
 
-class PING_CREATOR
+namespace
 {
-private:
-    PING * ping;
 
-public:
-    PING_CREATOR()
-        : ping(new PING())
-        {
-        };
-    ~PING_CREATOR()
-        {
-        delete ping;
-        };
-
-    PING * GetPlugin()
-        {
-        return ping;
-        };
-};
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PING_CREATOR pc;
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-// ëÌÁÓÓ ÄÌÑ ÐÏÉÓËÁ ÀÚÅÒÁ × ÓÐÉÓËÅ ÎÏÔÉÆÉËÁÔÏÒÏ×
-template <typename varType>
-class IS_CONTAINS_USER: public binary_function<varType, USER_PTR, bool>
+extern "C" STG::Plugin* GetPlugin()
 {
-public:
-    IS_CONTAINS_USER(const USER_PTR & u) : user(u) {}
-    bool operator()(varType notifier) const
-        {
-        return notifier.GetUser() == user;
-        };
-private:
-    const USER_PTR & user;
-};
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PLUGIN * GetPlugin()
-{
-return pc.GetPlugin();
+    static PING plugin;
+    return &plugin;
+}
+
 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-PING_SETTINGS::PING_SETTINGS()
-    : pingDelay(0)
-{
-}
-//-----------------------------------------------------------------------------
-int PING_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
+int PING_SETTINGS::ParseSettings(const ModuleSettings & s)
 {
-PARAM_VALUE pv;
-vector<PARAM_VALUE>::const_iterator pvi;
+ParamValue pv;
+std::vector<ParamValue>::const_iterator pvi;
 
 pv.param = "PingDelay";
 pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+if (pvi == s.moduleParams.end() || pvi->value.empty())
     {
     errorStr = "Parameter \'PingDelay\' not found.";
     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");
@@ -88,127 +49,64 @@ if (ParseIntInRange(pvi->value[0], 5, 3600, &pingDelay))
 return 0;
 }
 //-----------------------------------------------------------------------------
-int PING_SETTINGS::ParseIntInRange(const std::string & str, int min, int max, int * val)
-{
-if (str2x(str.c_str(), *val))
-    {
-    errorStr = "Incorrect value \'" + str + "\'.";
-    return -1;
-    }
-if (*val < min || *val > max)
-    {
-    errorStr = "Value \'" + str + "\' out of range.";
-    return -1;
-    }
-return 0;
-}
-//-----------------------------------------------------------------------------
 PING::PING()
-    : users(NULL),
-      nonstop(false),
+    : users(nullptr),
       isRunning(false),
-      onAddUserNotifier(*this),
-      onDelUserNotifier(*this)
-{
-pthread_mutex_init(&mutex, NULL);
-}
-//-----------------------------------------------------------------------------
-PING::~PING()
+      logger(PluginLogger::get("ping"))
 {
-pthread_mutex_destroy(&mutex);
-}
-//-----------------------------------------------------------------------------
-const std::string PING::GetVersion() const
-{
-return "Pinger v.1.01";
-}
-//-----------------------------------------------------------------------------
-void PING::SetSettings(const MODULE_SETTINGS & s)
-{
-settings = s;
 }
 //-----------------------------------------------------------------------------
 int PING::ParseSettings()
 {
-int ret = pingSettings.ParseSettings(settings);
-if (ret)
+auto ret = pingSettings.ParseSettings(settings);
+if (ret != 0)
     errorStr = pingSettings.GetStrError();
 return ret;
 }
 //-----------------------------------------------------------------------------
-void PING::SetUsers(USERS * u)
-{
-users = u;
-}
-//-----------------------------------------------------------------------------
-const std::string & PING::GetStrError() const
-{
-return errorStr;
-}
-//-----------------------------------------------------------------------------
 int PING::Start()
 {
 GetUsers();
 
-users->AddNotifierUserAdd(&onAddUserNotifier);
-users->AddNotifierUserDel(&onDelUserNotifier);
-
-nonstop = true;
+m_onAddUserConn = users->onAdd([this](auto user){ AddUser(user); });
+m_onDelUserConn = users->onDel([this](auto user){ DelUser(user); });
 
 pinger.SetDelayTime(pingSettings.GetPingDelay());
 pinger.Start();
 
-if (pthread_create(&thread, NULL, Run, this))
-    {
-    errorStr = "Cannot start thread.";
-    printfd(__FILE__, "Cannot start thread\n");
-    return -1;
-    }
+m_thread = std::jthread([this](auto token){ Run(std::move(token)); });
 
 return 0;
 }
 //-----------------------------------------------------------------------------
 int PING::Stop()
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard lock(m_mutex);
 
-if (!isRunning)
+if (!m_thread.joinable())
     return 0;
 
 pinger.Stop();
-nonstop = false;
+m_thread.request_stop();
 //5 seconds to thread stops itself
+struct timespec ts = {0, 200000000};
 for (int i = 0; i < 25; i++)
     {
     if (!isRunning)
         break;
 
-    usleep(200000);
+    nanosleep(&ts, nullptr);
     }
 
-//after 5 seconds waiting thread still running. now kill it
-if (isRunning)
-    {
-    printfd(__FILE__, "kill PING thread.\n");
-    if (pthread_kill(thread, SIGINT))
-        {
-        errorStr = "Cannot kill PING thread.";
-        printfd(__FILE__, "Cannot kill PING thread.\n");
-        return -1;
-        }
-    printfd(__FILE__, "PING killed\n");
-    }
+m_onAddUserConn.disconnect();
+m_onDelUserConn.disconnect();
 
-users->DelNotifierUserAdd(&onAddUserNotifier);
-users->DelNotifierUserDel(&onDelUserNotifier);
+m_conns.clear();
 
-list<USER_PTR>::iterator users_iter;
-users_iter = usersList.begin();
-while (users_iter != usersList.end())
-    {
-    UnSetUserNotifiers(*users_iter);
-    users_iter++;
-    }
+if (isRunning)
+    m_thread.detach();
+else
+    m_thread.join();
 
 return 0;
 }
@@ -218,160 +116,120 @@ bool PING::IsRunning()
 return isRunning;
 }
 //-----------------------------------------------------------------------------
-void * PING::Run(void * d)
+void PING::Run(std::stop_token token)
 {
-PING * ping = (PING*)d;
-ping->isRunning = true;
-list<USER_PTR>::iterator iter;
-uint32_t ip;
-time_t t;
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, nullptr);
+
+isRunning = true;
 
-while (ping->nonstop)
+long delay = (10000000 * pingSettings.GetPingDelay()) / 3 + 50000000;
+
+while (!token.stop_requested())
     {
-    iter = ping->usersList.begin();
+    auto iter = usersList.begin();
         {
-        STG_LOCKER lock(&ping->mutex, __FILE__, __LINE__);
-        while (iter != ping->usersList.end())
+        std::lock_guard lock(m_mutex);
+        while (iter != usersList.end())
             {
-            if ((*iter)->GetProperty().ips.ConstData().OnlyOneIP())
+            if ((*iter)->GetProperties().ips.ConstData().onlyOneIP())
                 {
-                ip = (*iter)->GetProperty().ips.ConstData()[0].ip;
-                if (ping->pinger.GetIPTime(ip, &t) == 0)
+                uint32_t ip = (*iter)->GetProperties().ips.ConstData()[0].ip;
+                time_t t;
+                if (pinger.GetIPTime(ip, &t) == 0)
                     {
-                    if (t)
+                    if (t != 0)
                         (*iter)->UpdatePingTime(t);
                     }
                 }
             else
                 {
-                ip = (*iter)->GetCurrIP();
-                if (ip)
+                uint32_t ip = (*iter)->GetCurrIP();
+                if (ip != 0)
                     {
-                    if (ping->pinger.GetIPTime(ip, &t) == 0)
+                    time_t t;
+                    if (pinger.GetIPTime(ip, &t) == 0)
                         {
-                        if (t)
+                        if (t != 0)
                             (*iter)->UpdatePingTime(t);
                         }
                     }
                 }
-            iter++;
+            ++iter;
             }
         }
+    struct timespec ts = {delay / 1000000000, delay % 1000000000};
     for (int i = 0; i < 100; i++)
         {
-        if (ping->nonstop)
+        if (!token.stop_requested())
             {
-            usleep((10000*ping->pingSettings.GetPingDelay())/3 + 50000);
+            nanosleep(&ts, nullptr);
             }
         }
     }
-ping->isRunning = false;
-return NULL;
-}
-//-----------------------------------------------------------------------------
-uint16_t PING::GetStartPosition() const
-{
-return 100;
+
+isRunning = false;
 }
 //-----------------------------------------------------------------------------
-uint16_t PING::GetStopPosition() const
+void PING::SetUserNotifiers(UserPtr u)
 {
-return 100;
+    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::SetUserNotifiers(USER_PTR u)
+void PING::UnSetUserNotifiers(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->GetProperty().ips.AddAfterNotifier(&(*ChgIPNotifierList.begin()));
-}
-//-----------------------------------------------------------------------------
-void PING::UnSetUserNotifiers(USER_PTR u)
-{
-// ---          CurrIP              ---
-IS_CONTAINS_USER<CHG_CURRIP_NOTIFIER_PING> IsContainsUserCurrIP(u);
-IS_CONTAINS_USER<CHG_IPS_NOTIFIER_PING> IsContainsUserIP(u);
-
-list<CHG_CURRIP_NOTIFIER_PING>::iterator currIPter;
-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()->GetProperty().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()
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard lock(m_mutex);
 
-USER_PTR u;
+UserPtr u;
 int h = users->OpenSearch();
-if (!h)
-    {
-    printfd(__FILE__, "users->OpenSearch() error\n");
-    return;
-    }
+assert(h && "USERS::OpenSearch is always correct");
 
 while (users->SearchNext(h, &u) == 0)
     {
     usersList.push_back(u);
     SetUserNotifiers(u);
-    if (u->GetProperty().ips.ConstData().OnlyOneIP())
+    if (u->GetProperties().ips.ConstData().onlyOneIP())
         {
-        pinger.AddIP(u->GetProperty().ips.ConstData()[0].ip);
+        pinger.AddIP(u->GetProperties().ips.ConstData()[0].ip);
         }
     else
         {
         uint32_t ip = u->GetCurrIP();
-        if (ip)
-            {
+        if (ip != 0)
             pinger.AddIP(ip);
-            }
         }
     }
 
 users->CloseSearch(h);
 }
 //-----------------------------------------------------------------------------
-void PING::AddUser(USER_PTR u)
+void PING::AddUser(UserPtr u)
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard lock(m_mutex);
 
 SetUserNotifiers(u);
 usersList.push_back(u);
 }
 //-----------------------------------------------------------------------------
-void PING::DelUser(USER_PTR u)
+void PING::DelUser(UserPtr u)
 {
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard lock(m_mutex);
 
 UnSetUserNotifiers(u);
 
-list<USER_PTR>::iterator users_iter;
+std::list<UserPtr>::iterator users_iter;
 users_iter = usersList.begin();
 
 while (users_iter != usersList.end())
@@ -381,39 +239,22 @@ while (users_iter != usersList.end())
         usersList.erase(users_iter);
         break;
         }
-    users_iter++;
+    ++users_iter;
     }
 }
 //-----------------------------------------------------------------------------
-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 USER_IPS & oldIPS, const USER_IPS & 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 USER_PTR & user)
-{
-ping.AddUser(user);
-}
-//-----------------------------------------------------------------------------
-void DEL_USER_NONIFIER_PING::Notify(const USER_PTR & user)
-{
-ping.DelUser(user);
+    if (newVal.onlyOneIP())
+        pinger.AddIP(newVal[0].ip);
 }
-//-----------------------------------------------------------------------------