X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/597f6f31e3801612273886481381df509d8bcd12..80aca6d78d4ff5d514216fe96c44e2ee75c4e933:/projects/stargazer/plugins/other/smux/smux.cpp?ds=sidebyside

diff --git a/projects/stargazer/plugins/other/smux/smux.cpp b/projects/stargazer/plugins/other/smux/smux.cpp
index 5367e249..f79085df 100644
--- a/projects/stargazer/plugins/other/smux/smux.cpp
+++ b/projects/stargazer/plugins/other/smux/smux.cpp
@@ -15,17 +15,12 @@
 #include <utility>
 
 #include "stg/common.h"
-#include "stg/plugin_creator.h"
 
 #include "smux.h"
 #include "utils.h"
 
-PLUGIN_CREATOR<SMUX> smc;
-
-PLUGIN * GetPlugin()
+namespace
 {
-return smc.GetPlugin();
-}
 
 bool SPrefixLess(const Sensors::value_type & a,
                  const Sensors::value_type & b)
@@ -33,38 +28,43 @@ bool SPrefixLess(const Sensors::value_type & a,
 return a.first.PrefixLess(b.first);
 }
 
+}
+
+extern "C" STG::Plugin* GetPlugin()
+{
+    static SMUX plugin;
+    return &plugin;
+}
+
 SMUX_SETTINGS::SMUX_SETTINGS()
-    : errorStr(),
-      ip(0),
-      port(0),
-      password()
+    : ip(0),
+      port(0)
 {}
 
-int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
+int SMUX_SETTINGS::ParseSettings(const STG::ModuleSettings & s)
 {
-PARAM_VALUE pv;
-std::vector<PARAM_VALUE>::const_iterator pvi;
+STG::ParamValue pv;
 int p;
 
 pv.param = "Port";
-pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+auto pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
     {
     errorStr = "Parameter \'Port\' not found.";
     printfd(__FILE__, "Parameter 'Port' not found\n");
     return -1;
     }
-if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
+if (ParseIntInRange(pvi->value[0], 2, 65535, &p) != 0)
     {
     errorStr = "Cannot parse parameter \'Port\': " + errorStr;
     printfd(__FILE__, "Cannot parse parameter 'Port'\n");
     return -1;
     }
-port = p;
+port = static_cast<uint16_t>(p);
 
 pv.param = "Password";
 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 \'Password\' not found.";
     printfd(__FILE__, "Parameter 'Password' not found\n");
@@ -77,7 +77,7 @@ else
 
 pv.param = "Server";
 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 \'Server\' not found.";
     printfd(__FILE__, "Parameter 'Server' not found\n");
@@ -89,32 +89,22 @@ return 0;
 }
 
 SMUX::SMUX()
-    : PLUGIN(),
-      users(NULL),
-      tariffs(NULL),
-      admins(NULL),
-      services(NULL),
-      corporations(NULL),
-      traffcounter(NULL),
-      errorStr(),
-      smuxSettings(),
-      settings(),
-      thread(),
-      mutex(),
-      running(false),
+    : users(nullptr),
+      tariffs(nullptr),
+      admins(nullptr),
+      services(nullptr),
+      corporations(nullptr),
+      traffcounter(nullptr),
       stopped(true),
+      needReconnect(false),
+      lastReconnectTry(0),
+      reconnectTimeout(1),
       sock(-1),
-      smuxHandlers(),
-      pdusHandlers(),
-      sensors(),
-      tables(),
-      notifiers(),
       addUserNotifier(*this),
       delUserNotifier(*this),
-      addDelTariffNotifier(*this)
+      addDelTariffNotifier(*this),
+      logger(STG::PluginLogger::get("smux"))
 {
-pthread_mutex_init(&mutex, NULL);
-
 smuxHandlers[SMUX_PDUs_PR_close] = &SMUX::CloseHandler;
 smuxHandlers[SMUX_PDUs_PR_registerResponse] = &SMUX::RegisterResponseHandler;
 smuxHandlers[SMUX_PDUs_PR_pdus] = &SMUX::PDUsRequestHandler;
@@ -127,18 +117,11 @@ pdusHandlers[PDUs_PR_set_request] = &SMUX::SetRequestHandler;
 
 SMUX::~SMUX()
 {
-    {
-    Sensors::iterator it;
-    for (it = sensors.begin(); it != sensors.end(); ++it)
-        delete it->second;
-    }
-    {
-    Tables::iterator it;
-    for (it = tables.begin(); it != tables.end(); ++it)
-        delete it->second;
-    }
-printfd(__FILE__, "SMUX::~SMUX()\n");
-pthread_mutex_destroy(&mutex);
+    for (auto& kv : sensors)
+        delete kv.second;
+    for (auto& kv : tables)
+        delete kv.second;
+    printfd(__FILE__, "SMUX::~SMUX()\n");
 }
 
 int SMUX::ParseSettings()
@@ -148,15 +131,15 @@ return smuxSettings.ParseSettings(settings);
 
 int SMUX::Start()
 {
-assert(users != NULL && "users must not be NULL");
-assert(tariffs != NULL && "tariffs must not be NULL");
-assert(admins != NULL && "admins must not be NULL");
-assert(services != NULL && "services must not be NULL");
-assert(corporations != NULL && "corporations must not be NULL");
-assert(traffcounter != NULL && "traffcounter must not be NULL");
+assert(users != nullptr && "users must not be NULL");
+assert(tariffs != nullptr && "tariffs must not be NULL");
+assert(admins != nullptr && "admins must not be NULL");
+assert(services != nullptr && "services must not be NULL");
+assert(corporations != nullptr && "corporations must not be NULL");
+assert(traffcounter != nullptr && "traffcounter must not be NULL");
 
 if (PrepareNet())
-    return -1;
+    needReconnect = true;
 
 // Users
 sensors[OID(".1.3.6.1.4.1.38313.1.1.1")] = new TotalUsersSensor(*users);
@@ -170,6 +153,7 @@ sensors[OID(".1.3.6.1.4.1.38313.1.1.8")] = new PassiveUsersSensor(*users);
 sensors[OID(".1.3.6.1.4.1.38313.1.1.9")] = new CreditUsersSensor(*users);
 sensors[OID(".1.3.6.1.4.1.38313.1.1.10")] = new FreeMbUsersSensor(*users);
 sensors[OID(".1.3.6.1.4.1.38313.1.1.11")] = new TariffChangeUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.12")] = new ActiveUsersSensor(*users);
 // Tariffs
 sensors[OID(".1.3.6.1.4.1.38313.1.2.1")] = new TotalTariffsSensor(*tariffs);
 // Admins
@@ -188,7 +172,7 @@ UpdateTables();
 SetNotifiers();
 
 #ifdef SMUX_DEBUG
-Sensors::const_iterator it(sensors.begin());
+auto it = sensors.begin();
 while (it != sensors.end())
     {
     printfd(__FILE__, "%s = %s\n",
@@ -198,15 +182,8 @@ while (it != sensors.end())
     }
 #endif
 
-if (!running)
-    {
-    if (pthread_create(&thread, NULL, Runner, this))
-        {
-        errorStr = "Cannot create thread.";
-        printfd(__FILE__, "Cannot create thread\n");
-        return -1;
-        }
-    }
+if (!m_thread.joinable())
+    m_thread = std::jthread([this](auto token){ Run(std::move(token)); });
 
 return 0;
 }
@@ -214,7 +191,7 @@ return 0;
 int SMUX::Stop()
 {
 printfd(__FILE__, "SMUX::Stop() - Before\n");
-running = false;
+m_thread.request_stop();
 
 if (!stopped)
     {
@@ -222,91 +199,75 @@ if (!stopped)
     for (int i = 0; i < 25 && !stopped; i++)
         {
         struct timespec ts = {0, 200000000};
-        nanosleep(&ts, NULL);
-        }
-
-    //after 5 seconds waiting thread still running. now killing it
-    if (!stopped)
-        {
-        printfd(__FILE__, "SMUX::Stop() - failed to stop thread, killing it\n");
-        if (pthread_kill(thread, SIGINT))
-            {
-            errorStr = "Cannot kill thread.";
-            printfd(__FILE__, "SMUX::Stop() - Cannot kill thread\n");
-            return -1;
-            }
-        printfd(__FILE__, "SMUX::Stop() -  killed Run\n");
+        nanosleep(&ts, nullptr);
         }
     }
 
-pthread_join(thread, NULL);
+if (!stopped)
+    m_thread.detach();
+else
+    m_thread.join();
 
 ResetNotifiers();
 
-    {
-    Tables::iterator it;
-    for (it = tables.begin(); it != tables.end(); ++it)
-        delete it->second;
-    }
-    {
-    Sensors::iterator it;
-    for (it = sensors.begin(); it != sensors.end(); ++it)
-        delete it->second;
-    }
+for (auto& kv : sensors)
+    delete kv.second;
+for (auto& kv : tables)
+    delete kv.second;
 
 tables.erase(tables.begin(), tables.end());
 sensors.erase(sensors.begin(), sensors.end());
 
 close(sock);
 
+if (!stopped)
+    {
+    return -1;
+    }
+
 printfd(__FILE__, "SMUX::Stop() - After\n");
 return 0;
 }
 
-int SMUX::Reload()
+int SMUX::Reload(const STG::ModuleSettings & /*ms*/)
 {
-if (Stop())
+if (Stop() != 0)
     return -1;
-if (Start())
+if (Start() != 0)
     return -1;
+if (!needReconnect)
+    {
+    printfd(__FILE__, "SMUX reconnected succesfully.\n");
+    logger("Reconnected successfully.");
+    }
 return 0;
 }
 
-void * SMUX::Runner(void * d)
-{
-sigset_t signalSet;
-sigfillset(&signalSet);
-pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
-
-SMUX * smux = static_cast<SMUX *>(d);
-
-smux->Run();
-
-return NULL;
-}
-
-void SMUX::Run()
+void SMUX::Run(std::stop_token token)
 {
 stopped = true;
 if (!SendOpenPDU(sock))
-    return;
+    needReconnect = true;
 if (!SendRReqPDU(sock))
-    return;
-running = true;
+    needReconnect = true;
 stopped = false;
 
-while(running)
+while (!token.stop_requested())
     {
-    if (WaitPackets(sock))
+    if (WaitPackets(sock) && !needReconnect)
         {
-        SMUX_PDUs_t * pdus = RecvSMUXPDUs(sock);
-        if (pdus)
+        auto* pdus = RecvSMUXPDUs(sock);
+        if (pdus != nullptr)
             {
             DispatchPDUs(pdus);
             ASN_STRUCT_FREE(asn_DEF_SMUX_PDUs, pdus);
             }
+        else if (!token.stop_requested())
+            Reconnect();
         }
-    if (!running)
+    else if (!token.stop_requested() && needReconnect)
+        Reconnect();
+    if (token.stop_requested())
         break;
     }
 SendClosePDU(sock);
@@ -320,6 +281,7 @@ sock = socket(AF_INET, SOCK_STREAM, 0);
 if (sock < 0)
     {
     errorStr = "Cannot create socket.";
+    logger("Cannot create a socket: %s", strerror(errno));
     printfd(__FILE__, "Cannot create socket\n");
     return true;
     }
@@ -330,9 +292,10 @@ addr.sin_family = AF_INET;
 addr.sin_port = htons(smuxSettings.GetPort());
 addr.sin_addr.s_addr = smuxSettings.GetIP();
 
-if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
+if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)) != 0)
     {
     errorStr = "Cannot connect.";
+    logger("Cannot connect the socket: %s", strerror(errno));
     printfd(__FILE__, "Cannot connect. Message: '%s'\n", strerror(errno));
     return true;
     }
@@ -340,17 +303,41 @@ if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
 return false;
 }
 
+bool SMUX::Reconnect()
+{
+if (needReconnect && difftime(time(nullptr), lastReconnectTry) < reconnectTimeout)
+    return true;
+
+time(&lastReconnectTry);
+SendClosePDU(sock);
+close(sock);
+if (!PrepareNet())
+    if (SendOpenPDU(sock))
+        if (SendRReqPDU(sock))
+            {
+            reconnectTimeout = 1;
+            needReconnect = false;
+            logger("Connected successfully");
+            printfd(__FILE__, "Connected successfully\n");
+            return false;
+            }
+
+if (needReconnect)
+    if (reconnectTimeout < 60)
+        reconnectTimeout *= 2;
+
+needReconnect = true;
+return true;
+}
+
 bool SMUX::DispatchPDUs(const SMUX_PDUs_t * pdus)
 {
-SMUXHandlers::iterator it;
-it = smuxHandlers.find(pdus->present);
+auto it = smuxHandlers.find(pdus->present);
 if (it != smuxHandlers.end())
-    {
     return (this->*(it->second))(pdus);
-    }
+#ifdef SMUX_DEBUG
 else
     {
-#ifdef SMUX_DEBUG
     switch (pdus->present)
         {
         case SMUX_PDUs_PR_NOTHING:
@@ -366,8 +353,8 @@ else
             printfd(__FILE__, "PDUs: undefined\n");
         }
     asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
-#endif
     }
+#endif
 return false;
 }
 
@@ -375,7 +362,7 @@ bool SMUX::UpdateTables()
 {
 Sensors newSensors;
 bool done = true;
-Tables::iterator it(tables.begin());
+auto it = tables.begin();
 while (it != tables.end())
     {
     try
@@ -394,11 +381,11 @@ while (it != tables.end())
     }
 if (!done)
     {
-    Sensors::iterator it(newSensors.begin());
-    while (it != newSensors.end())
+    auto sit = newSensors.begin();
+    while (sit != newSensors.end())
         {
-        delete it->second;
-        ++it;
+        delete sit->second;
+        ++sit;
         }
     return false;
     }
@@ -406,12 +393,11 @@ if (!done)
 it = tables.begin();
 while (it != tables.end())
     {
-    std::pair<Sensors::iterator, Sensors::iterator> res;
-    res = std::equal_range(sensors.begin(),
-                           sensors.end(),
-                           std::pair<OID, Sensor *>(OID(it->first), NULL),
-                           SPrefixLess);
-    Sensors::iterator sit(res.first);
+    auto res = std::equal_range(sensors.begin(),
+                                sensors.end(),
+                                std::pair<OID, Sensor *>(OID(it->first), nullptr),
+                                SPrefixLess);
+    auto sit = res.first;
     while (sit != res.second)
         {
         delete sit->second;
@@ -426,20 +412,20 @@ sensors.insert(newSensors.begin(), newSensors.end());
 return true;
 }
 
-void SMUX::SetNotifier(USER_PTR userPtr)
+void SMUX::SetNotifier(UserPtr userPtr)
 {
-notifiers.push_back(CHG_AFTER_NOTIFIER(*this, userPtr));
-userPtr->GetProperty().tariffName.AddAfterNotifier(&notifiers.back());
+notifiers.emplace_back(*this, userPtr);
+userPtr->GetProperties().tariffName.AddAfterNotifier(&notifiers.back());
 }
 
-void SMUX::UnsetNotifier(USER_PTR userPtr)
+void SMUX::UnsetNotifier(UserPtr userPtr)
 {
-std::list<CHG_AFTER_NOTIFIER>::iterator it = notifiers.begin();
+auto it = notifiers.begin();
 while (it != notifiers.end())
     {
     if (it->GetUserPtr() == userPtr)
         {
-        userPtr->GetProperty().tariffName.DelAfterNotifier(&(*it));
+        userPtr->GetProperties().tariffName.DelAfterNotifier(&(*it));
         notifiers.erase(it);
         break;
         }
@@ -452,8 +438,8 @@ void SMUX::SetNotifiers()
 int h = users->OpenSearch();
 assert(h && "USERS::OpenSearch is always correct");
 
-USER_PTR u;
-while (!users->SearchNext(h, &u))
+UserPtr u;
+while (users->SearchNext(h, &u) == 0)
     SetNotifier(u);
 
 users->CloseSearch(h);
@@ -473,15 +459,11 @@ tariffs->DelNotifierAdd(&addDelTariffNotifier);
 users->DelNotifierUserDel(&delUserNotifier);
 users->DelNotifierUserAdd(&addUserNotifier);
 
-std::list<CHG_AFTER_NOTIFIER>::iterator it = notifiers.begin();
+auto it = notifiers.begin();
 while (it != notifiers.end())
     {
-    it->GetUserPtr()->GetProperty().tariffName.DelAfterNotifier(&(*it));
+    it->GetUserPtr()->GetProperties().tariffName.DelAfterNotifier(&(*it));
     ++it;
     }
-}
-
-void CHG_AFTER_NOTIFIER::Notify(const std::string &, const std::string &)
-{
-smux.UpdateTables();
+notifiers.clear();
 }