Use std::jthread and C++17.

[stg.git] / projects / stargazer / plugins / other / ping / ping.cpp

diff --git a/projects/stargazer/plugins/other/ping/ping.cpp b/projects/stargazer/plugins/other/ping/ping.cpp
index 6a04c6fe9c2eff8ca8d93b387d8ed14ca73ee159..a8dda2a680ee510474c9e7169d86a9659119feb5 100644 (file)
--- a/projects/stargazer/plugins/other/ping/ping.cpp
+++ b/projects/stargazer/plugins/other/ping/ping.cpp
@@ -1,77 +1,50 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <signal.h>
-
-#include <algorithm>
-

 #include "ping.h"
 #include "ping.h"

-#include "user.h"
-#include "stg_locker.h"
-#include "user_property.h"

 
 

-class PING_CREATOR
-{
-private:
-    PING * ping;
+#include "stg/user.h"
+#include "stg/locker.h"
+#include "stg/user_property.h"

 
 

-public:
-    PING_CREATOR()
-        : ping(new PING())
-        {
-        };
-    ~PING_CREATOR()
-        {
-        delete ping;
-        };
+#include <cstdio>
+#include <cassert>
+#include <csignal>
+#include <ctime>
+#include <algorithm>

 
 

-    PING * GetPlugin()
-        {
-        return ping;
-        };
-};
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PING_CREATOR pc;
+namespace
+{

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-// ëÌÁÓÓ ÄÌÑ ÐÏÉÓËÁ ÀÚÅÒÁ × ÓÐÉÓËÅ ÎÏÔÉÆÉËÁÔÏÒÏ×

 template <typename varType>
 template <typename varType>

-class IS_CONTAINS_USER: public binary_function<varType, USER_PTR, bool>
+class HAS_USER: public std::binary_function<varType, UserPtr, bool>

 {
 public:
 {
 public:

-    IS_CONTAINS_USER(const USER_PTR & u) : user(u) {}
+    explicit HAS_USER(const UserPtr & u) : user(u) {}

     bool operator()(varType notifier) const
         {
         return notifier.GetUser() == user;
     bool operator()(varType notifier) const
         {
         return notifier.GetUser() == user;

-        };
+        }

 private:
 private:

-    const USER_PTR & user;
+    const UserPtr & user;

 };
 };

-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PLUGIN * GetPlugin()
+}
+
+extern "C" STG::Plugin* GetPlugin()

 {
 {

-return pc.GetPlugin();
+    static PING plugin;
+    return &plugin;

 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-PING_SETTINGS::PING_SETTINGS()
-    : pingDelay(0)
+int PING_SETTINGS::ParseSettings(const STG::ModuleSettings & s)

 {
 {

-}
-//-----------------------------------------------------------------------------
-int PING_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
-{
-PARAM_VALUE pv;
-vector<PARAM_VALUE>::const_iterator pvi;
+STG::ParamValue pv;
+std::vector<STG::ParamValue>::const_iterator pvi;

 
 pv.param = "PingDelay";
 pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
 
 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");
     {
     errorStr = "Parameter \'PingDelay\' not found.";
     printfd(__FILE__, "Parameter 'PingDelay' not found\n");


@@ -87,44 +60,17 @@ if (ParseIntInRange(pvi->value[0], 5, 3600, &pingDelay))
 return 0;
 }
 //-----------------------------------------------------------------------------
 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),
 PING::PING()
     : users(NULL),

-      nonstop(false),

       isRunning(false),
       onAddUserNotifier(*this),
       isRunning(false),
       onAddUserNotifier(*this),

-      onDelUserNotifier(*this)
+      onDelUserNotifier(*this),
+      logger(STG::PluginLogger::get("ping"))

 {
 {

-pthread_mutex_init(&mutex, NULL);

 }
 //-----------------------------------------------------------------------------
 PING::~PING()
 {
 }
 //-----------------------------------------------------------------------------
 PING::~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 PING::ParseSettings()


@@ -135,16 +81,6 @@ if (ret)
 return ret;
 }
 //-----------------------------------------------------------------------------
 return ret;
 }
 //-----------------------------------------------------------------------------

-void PING::SetUsers(USERS * u)
-{
-users = u;
-}
-//-----------------------------------------------------------------------------
-const std::string & PING::GetStrError() const
-{
-return errorStr;
-}
-//-----------------------------------------------------------------------------

 int PING::Start()
 {
 GetUsers();
 int PING::Start()
 {
 GetUsers();


@@ -152,56 +88,37 @@ GetUsers();
 users->AddNotifierUserAdd(&onAddUserNotifier);
 users->AddNotifierUserDel(&onDelUserNotifier);
 
 users->AddNotifierUserAdd(&onAddUserNotifier);
 users->AddNotifierUserDel(&onDelUserNotifier);
 

-nonstop = true;
-

 pinger.SetDelayTime(pingSettings.GetPingDelay());
 pinger.Start();
 
 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(token); });

 
 return 0;
 }
 //-----------------------------------------------------------------------------
 int PING::Stop()
 {
 
 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();
     return 0;
 
 pinger.Stop();

-nonstop = false;
+m_thread.request_stop();

 //5 seconds to thread stops itself
 //5 seconds to thread stops itself

+struct timespec ts = {0, 200000000};

 for (int i = 0; i < 25; i++)
     {
     if (!isRunning)
         break;
 
 for (int i = 0; i < 25; i++)
     {
     if (!isRunning)
         break;
 

-    usleep(200000);
-    }
-
-//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");
+    nanosleep(&ts, NULL);

     }
 
 users->DelNotifierUserAdd(&onAddUserNotifier);
 users->DelNotifierUserDel(&onDelUserNotifier);
 
     }
 
 users->DelNotifierUserAdd(&onAddUserNotifier);
 users->DelNotifierUserDel(&onDelUserNotifier);
 

-list<USER_PTR>::iterator users_iter;
+std::list<UserPtr>::iterator users_iter;

 users_iter = usersList.begin();
 while (users_iter != usersList.end())
     {
 users_iter = usersList.begin();
 while (users_iter != usersList.end())
     {


@@ -209,6 +126,9 @@ while (users_iter != usersList.end())
     ++users_iter;
     }
 
     ++users_iter;
     }
 

+if (isRunning)
+    m_thread.detach();
+

 return 0;
 }
 //-----------------------------------------------------------------------------
 return 0;
 }
 //-----------------------------------------------------------------------------


@@ -217,25 +137,28 @@ bool PING::IsRunning()
 return 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, NULL);

 
 

-while (ping->nonstop)
+isRunning = true;
+
+long delay = (10000000 * pingSettings.GetPingDelay()) / 3 + 50000000;
+
+while (!token.stop_requested())

     {
     {

-    iter = ping->usersList.begin();
+    std::list<UserPtr>::iterator 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)
                         (*iter)->UpdatePingTime(t);
                     {
                     if (t)
                         (*iter)->UpdatePingTime(t);


@@ -243,10 +166,11 @@ while (ping->nonstop)
                 }
             else
                 {
                 }
             else
                 {

-                ip = (*iter)->GetCurrIP();
+                uint32_t ip = (*iter)->GetCurrIP();

                 if (ip)
                     {
                 if (ip)
                     {

-                    if (ping->pinger.GetIPTime(ip, &t) == 0)
+                    time_t t;
+                    if (pinger.GetIPTime(ip, &t) == 0)

                         {
                         if (t)
                             (*iter)->UpdatePingTime(t);
                         {
                         if (t)
                             (*iter)->UpdatePingTime(t);


@@ -256,29 +180,20 @@ while (ping->nonstop)
             ++iter;
             }
         }
             ++iter;
             }
         }

+    struct timespec ts = {delay / 1000000000, delay % 1000000000};

     for (int i = 0; i < 100; i++)
         {
     for (int i = 0; i < 100; i++)
         {

-        if (ping->nonstop)
+        if (!token.stop_requested())

             {
             {

-            usleep((10000*ping->pingSettings.GetPingDelay())/3 + 50000);
+            nanosleep(&ts, NULL);

             }
         }
     }
             }
         }
     }

-ping->isRunning = false;
-return NULL;
-}
-//-----------------------------------------------------------------------------
-uint16_t PING::GetStartPosition() const
-{
-return 100;
-}
-//-----------------------------------------------------------------------------
-uint16_t PING::GetStopPosition() const
-{
-return 100;
+
+isRunning = false;

 }
 //-----------------------------------------------------------------------------
 }
 //-----------------------------------------------------------------------------

-void PING::SetUserNotifiers(USER_PTR u)
+void PING::SetUserNotifiers(UserPtr u)

 {
 CHG_CURRIP_NOTIFIER_PING ChgCurrIPNotifier(*this, u);
 CHG_IPS_NOTIFIER_PING ChgIPNotifier(*this, u);
 {
 CHG_CURRIP_NOTIFIER_PING ChgCurrIPNotifier(*this, u);
 CHG_IPS_NOTIFIER_PING ChgIPNotifier(*this, u);


@@ -287,17 +202,17 @@ ChgCurrIPNotifierList.push_front(ChgCurrIPNotifier);
 ChgIPNotifierList.push_front(ChgIPNotifier);
 
 u->AddCurrIPAfterNotifier(&(*ChgCurrIPNotifierList.begin()));
 ChgIPNotifierList.push_front(ChgIPNotifier);
 
 u->AddCurrIPAfterNotifier(&(*ChgCurrIPNotifierList.begin()));

-u->GetProperty().ips.AddAfterNotifier(&(*ChgIPNotifierList.begin()));
+u->GetProperties().ips.AddAfterNotifier(&(*ChgIPNotifierList.begin()));

 }
 //-----------------------------------------------------------------------------
 }
 //-----------------------------------------------------------------------------

-void PING::UnSetUserNotifiers(USER_PTR u)
+void PING::UnSetUserNotifiers(UserPtr u)

 {
 // ---          CurrIP              ---
 {
 // ---          CurrIP              ---

-IS_CONTAINS_USER<CHG_CURRIP_NOTIFIER_PING> IsContainsUserCurrIP(u);
-IS_CONTAINS_USER<CHG_IPS_NOTIFIER_PING> IsContainsUserIP(u);
+HAS_USER<CHG_CURRIP_NOTIFIER_PING> IsContainsUserCurrIP(u);
+HAS_USER<CHG_IPS_NOTIFIER_PING> IsContainsUserIP(u);

 
 

-list<CHG_CURRIP_NOTIFIER_PING>::iterator currIPter;
-list<CHG_IPS_NOTIFIER_PING>::iterator IPIter;
+std::list<CHG_CURRIP_NOTIFIER_PING>::iterator currIPter;
+std::list<CHG_IPS_NOTIFIER_PING>::iterator IPIter;

 
 currIPter = find_if(ChgCurrIPNotifierList.begin(),
                     ChgCurrIPNotifierList.end(),
 
 currIPter = find_if(ChgCurrIPNotifierList.begin(),
                     ChgCurrIPNotifierList.end(),


@@ -317,7 +232,7 @@ IPIter = find_if(ChgIPNotifierList.begin(),
 
 if (IPIter != ChgIPNotifierList.end())
     {
 
 if (IPIter != ChgIPNotifierList.end())
     {

-    IPIter->GetUser()->GetProperty().ips.DelAfterNotifier(&(*IPIter));
+    IPIter->GetUser()->GetProperties().ips.DelAfterNotifier(&(*IPIter));

     ChgIPNotifierList.erase(IPIter);
     }
 // ---          IP end          ---
     ChgIPNotifierList.erase(IPIter);
     }
 // ---          IP end          ---


@@ -325,52 +240,46 @@ if (IPIter != ChgIPNotifierList.end())
 //-----------------------------------------------------------------------------
 void PING::GetUsers()
 {
 //-----------------------------------------------------------------------------
 void PING::GetUsers()
 {

-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard lock(m_mutex);

 
 

-USER_PTR u;
+UserPtr u;

 int h = users->OpenSearch();
 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);
 
 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)
         }
     else
         {
         uint32_t ip = u->GetCurrIP();
         if (ip)

-            {

             pinger.AddIP(ip);
             pinger.AddIP(ip);

-            }

         }
     }
 
 users->CloseSearch(h);
 }
 //-----------------------------------------------------------------------------
         }
     }
 
 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);
 }
 //-----------------------------------------------------------------------------
 
 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);
 
 
 UnSetUserNotifiers(u);
 

-list<USER_PTR>::iterator users_iter;
+std::list<UserPtr>::iterator users_iter;

 users_iter = usersList.begin();
 
 while (users_iter != usersList.end())
 users_iter = usersList.begin();
 
 while (users_iter != usersList.end())


@@ -388,30 +297,24 @@ void CHG_CURRIP_NOTIFIER_PING::Notify(const uint32_t & oldIP, const uint32_t & n
 {
 ping.pinger.DelIP(oldIP);
 if (newIP)
 {
 ping.pinger.DelIP(oldIP);
 if (newIP)

-    {

     ping.pinger.AddIP(newIP);
     ping.pinger.AddIP(newIP);

-    }

 }
 //-----------------------------------------------------------------------------
 }
 //-----------------------------------------------------------------------------

-void CHG_IPS_NOTIFIER_PING::Notify(const USER_IPS & oldIPS, const USER_IPS & newIPS)
+void CHG_IPS_NOTIFIER_PING::Notify(const STG::UserIPs & oldIPS, const STG::UserIPs & newIPS)

 {
 {

-if (oldIPS.OnlyOneIP())
-    {
+if (oldIPS.onlyOneIP())

     ping.pinger.DelIP(oldIPS[0].ip);
     ping.pinger.DelIP(oldIPS[0].ip);

-    }

 
 

-if (newIPS.OnlyOneIP())
-    {
+if (newIPS.onlyOneIP())

     ping.pinger.AddIP(newIPS[0].ip);
     ping.pinger.AddIP(newIPS[0].ip);

-    }

 }
 //-----------------------------------------------------------------------------
 }
 //-----------------------------------------------------------------------------

-void ADD_USER_NONIFIER_PING::Notify(const USER_PTR & user)
+void ADD_USER_NONIFIER_PING::Notify(const UserPtr & user)

 {
 ping.AddUser(user);
 }
 //-----------------------------------------------------------------------------
 {
 ping.AddUser(user);
 }
 //-----------------------------------------------------------------------------

-void DEL_USER_NONIFIER_PING::Notify(const USER_PTR & user)
+void DEL_USER_NONIFIER_PING::Notify(const UserPtr & user)

 {
 ping.DelUser(user);
 }
 {
 ping.DelUser(user);
 }