]> git.stg.codes - stg.git/blobdiff - projects/stargazer/plugins/other/ping/ping.cpp
New signal handling infrastructure. Prevent unloading running module.
[stg.git] / projects / stargazer / plugins / other / ping / ping.cpp
index 58b01c5541263fcfdaf0f0ca2a2cd4126afe3499..f4755c230491f73cbec8e7f8c63e22b4ea9bc45f 100644 (file)
@@ -1,38 +1,23 @@
-#include <stdio.h>
-#include <signal.h>
-
+#include <cstdio>
+#include <cassert>
+#include <csignal>
 #include <ctime>
 #include <algorithm>
 
+#include "stg/user.h"
+#include "stg/locker.h"
+#include "stg/user_property.h"
+#include "stg/plugin_creator.h"
 #include "ping.h"
-#include "user.h"
-#include "stg_locker.h"
-#include "user_property.h"
-
-class PING_CREATOR
-{
-private:
-    PING * ping;
 
-public:
-    PING_CREATOR()
-        : ping(new PING())
-        {
-        };
-    ~PING_CREATOR()
-        {
-        delete ping;
-        };
-
-    PING * GetPlugin()
-        {
-        return ping;
-        };
-};
+PLUGIN_CREATOR<PING> pc;
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-PING_CREATOR pc;
+PLUGIN * GetPlugin()
+{
+return pc.GetPlugin();
+}
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
@@ -52,18 +37,6 @@ private:
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-PLUGIN * GetPlugin()
-{
-return pc.GetPlugin();
-}
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-PING_SETTINGS::PING_SETTINGS()
-    : pingDelay(0)
-{
-}
-//-----------------------------------------------------------------------------
 int PING_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
 {
 PARAM_VALUE pv;
@@ -87,25 +60,19 @@ 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),
+    : errorStr(),
+      pingSettings(),
+      settings(),
+      users(NULL),
+      usersList(),
+      thread(),
+      mutex(),
       nonstop(false),
       isRunning(false),
+      pinger(),
+      ChgCurrIPNotifierList(),
+      ChgIPNotifierList(),
       onAddUserNotifier(*this),
       onDelUserNotifier(*this)
 {
@@ -117,16 +84,6 @@ 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 ret = pingSettings.ParseSettings(settings);
@@ -135,16 +92,6 @@ if (ret)
 return ret;
 }
 //-----------------------------------------------------------------------------
-void PING::SetUsers(USERS * u)
-{
-users = u;
-}
-//-----------------------------------------------------------------------------
-const std::string & PING::GetStrError() const
-{
-return errorStr;
-}
-//-----------------------------------------------------------------------------
 int PING::Start()
 {
 GetUsers();
@@ -220,7 +167,11 @@ return isRunning;
 //-----------------------------------------------------------------------------
 void * PING::Run(void * d)
 {
-PING * ping = (PING *)d;
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+PING * ping = static_cast<PING *>(d);
 ping->isRunning = true;
 
 long delay = (10000000 * ping->pingSettings.GetPingDelay()) / 3 + 50000000;
@@ -272,16 +223,6 @@ ping->isRunning = false;
 return NULL;
 }
 //-----------------------------------------------------------------------------
-uint16_t PING::GetStartPosition() const
-{
-return 100;
-}
-//-----------------------------------------------------------------------------
-uint16_t PING::GetStopPosition() const
-{
-return 100;
-}
-//-----------------------------------------------------------------------------
 void PING::SetUserNotifiers(USER_PTR u)
 {
 CHG_CURRIP_NOTIFIER_PING ChgCurrIPNotifier(*this, u);
@@ -333,11 +274,7 @@ STG_LOCKER lock(&mutex, __FILE__, __LINE__);
 
 USER_PTR 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)
     {