Stargazer (#6)

[stg.git] / projects / stargazer / plugins / capture / divert_freebsd / divert_cap.cpp

diff --git a/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp b/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp
index 96476d4e204027ee8f1d556f7dc54544a52489d8..e3a1d497e357d5c6aa508773fa4ff8fc5de2caaa 100644 (file)
--- a/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp
+++ b/projects/stargazer/plugins/capture/divert_freebsd/divert_cap.cpp
@@ -22,6 +22,22 @@
 $Revision: 1.13 $
 $Date: 2010/09/10 06:43:03 $
 */
 $Revision: 1.13 $
 $Date: 2010/09/10 06:43:03 $
 */

+
+#include "divert_cap.h"
+
+#include "stg/traffcounter.h"
+#include "stg/raw_ip_packet.h"
+#include "stg/common.h"
+
+#include <algorithm>
+#include <vector>
+
+#include <cstdio>
+#include <cstring>
+#include <cerrno>
+#include <cstdlib>
+#include <csignal>
+

 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>


@@ -34,20 +50,6 @@ $Date: 2010/09/10 06:43:03 $
 #include <fcntl.h>
 #include <unistd.h>
 
 #include <fcntl.h>
 #include <unistd.h>
 

-#include <cstdio>
-#include <cstring>
-#include <cerrno>
-#include <cstdlib>
-#include <csignal>
-
-#include <algorithm>
-#include <vector>
-
-#include "stg/common.h"
-#include "stg/traffcounter.h"
-#include "stg/plugin_creator.h"
-#include "divert_cap.h"
-

 #define BUFF_LEN (16384) /* max mtu -> lo=16436  TODO why?*/
 
 //-----------------------------------------------------------------------------
 #define BUFF_LEN (16384) /* max mtu -> lo=16436  TODO why?*/
 
 //-----------------------------------------------------------------------------


@@ -62,37 +64,26 @@ DIVERT_DATA cddiv;  //capture data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-namespace
-{
-PLUGIN_CREATOR<DIVERT_CAP> dcc;
-}

 
 

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

 {
 {

-return dcc.GetPlugin();
+    static DIVERT_CAP plugin;
+    return &plugin;

 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 std::string DIVERT_CAP::GetVersion() const
 {
 }
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 std::string DIVERT_CAP::GetVersion() const
 {

-return "Divert_cap v.1.0";
+return "cap_divert v.1.0";

 }
 //-----------------------------------------------------------------------------
 DIVERT_CAP::DIVERT_CAP()
 }
 //-----------------------------------------------------------------------------
 DIVERT_CAP::DIVERT_CAP()

-    : settings(),
-      port(0),
+    : port(0),

       disableForwarding(false),
       disableForwarding(false),

-      errorStr(),
-      thread(),
-      nonstop(false),

       isRunning(false),
       traffCnt(NULL),
       isRunning(false),
       traffCnt(NULL),

-      logger(GetPluginLogger(GetStgLogger(), "cap_divert"))
+      logger(STG::PluginLogger::get("cap_divert"))

 {
 }
 //-----------------------------------------------------------------------------
 {
 }
 //-----------------------------------------------------------------------------


@@ -108,15 +99,7 @@ if (DivertCapOpen() < 0)
     return -1;
     }
 
     return -1;
     }
 

-nonstop = true;
-
-if (pthread_create(&thread, NULL, Run, this))
-    {
-    errorStr = "Cannot create thread.";
-    logger("Cannot create thread.");
-    printfd(__FILE__, "Cannot create thread\n");
-    return -1;
-    }
+m_thread = std::jthread([](auto token){ Run(std::move(token)); });

 
 return 0;
 }
 
 return 0;
 }


@@ -128,11 +111,9 @@ if (!isRunning)
 
 DivertCapClose();
 
 
 DivertCapClose();
 

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

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

-int i;
-for (i = 0; i < 25; i++)
+for (size_t i = 0; i < 25; i++)

     {
     if (!isRunning)
         break;
     {
     if (!isRunning)
         break;


@@ -143,44 +124,36 @@ for (i = 0; i < 25; i++)
 
 //after 5 seconds waiting thread still running. now killing it
 if (isRunning)
 
 //after 5 seconds waiting thread still running. now killing it
 if (isRunning)

-    {
-    if (pthread_kill(thread, SIGINT))
-        {
-        errorStr = "Cannot kill thread.";
-       logger("Cannot send signal to thread.");
-        printfd(__FILE__, "Cannot kill thread\n");
-        return -1;
-        }
-    }
+    m_thread.detach();
+else
+    m_thread.join();

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

-void * DIVERT_CAP::Run(void * d)
+void DIVERT_CAP::Run(std::stop_token token) noexcept

 {
 sigset_t signalSet;
 sigfillset(&signalSet);
 pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
 
 {
 sigset_t signalSet;
 sigfillset(&signalSet);
 pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
 

-DIVERT_CAP * dc = static_cast<DIVERT_CAP *>(d);
-dc->isRunning = true;
+isRunning = true;

 
 

-char buffer[64];
-while (dc->nonstop)
+char buffer[STG::packetSize + 14];
+while (!token.stop_requested())

     {
     {

-    RAW_PACKET rp;
-    dc->DivertCapRead(buffer, 64, NULL);
+    STG::RawPacket rp;
+    DivertCapRead(buffer, sizeof(buffer), NULL);

 
     if (buffer[12] != 0x8)
         continue;
 
 
     if (buffer[12] != 0x8)
         continue;
 

-    memcpy(rp.rawPacket.pckt, &buffer[14], pcktSize);
+    memcpy(&rp.rawPacket, &buffer[14], STG::packetSize);

 
 

-    dc->traffCnt->Process(rp);
+    traffCnt->process(rp);

     }
 
     }
 

-dc->isRunning = false;
-return NULL;
+isRunning = false;

 }
 //-----------------------------------------------------------------------------
 int DIVERT_CAP::DivertCapOpen()
 }
 //-----------------------------------------------------------------------------
 int DIVERT_CAP::DivertCapOpen()


@@ -262,10 +235,10 @@ if ((bytes = recvfrom (cddiv.sock, buf, BUFF_LEN,
         *iface = cddiv.iface;
 
     if (!disableForwarding)
         *iface = cddiv.iface;
 
     if (!disableForwarding)

-       {
+        {

         if (sendto(cddiv.sock, buf, bytes, 0, (struct sockaddr*)&divertaddr, divertaddrSize) < 0)
         if (sendto(cddiv.sock, buf, bytes, 0, (struct sockaddr*)&divertaddr, divertaddrSize) < 0)

-           logger("sendto error: %s", strerror(errno));
-       }
+            logger("sendto error: %s", strerror(errno));
+        }

     }
 else
     {
     }
 else
     {


@@ -285,12 +258,12 @@ return 0;
 int DIVERT_CAP::ParseSettings()
 {
 int p;
 int DIVERT_CAP::ParseSettings()
 {
 int p;

-PARAM_VALUE pv;
-std::vector<PARAM_VALUE>::const_iterator pvi;
+STG::ParamValue pv;
+std::vector<STG::ParamValue>::const_iterator pvi;

 
 pv.param = "Port";
 pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);
 
 pv.param = "Port";
 pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);

-if (pvi == settings.moduleParams.end())
+if (pvi == settings.moduleParams.end() || pvi->value.empty())

     {
     p = 15701;
     }
     {
     p = 15701;
     }


@@ -306,7 +279,7 @@ port = p;
 bool d = false;
 pv.param = "DisableForwarding";
 pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);
 bool d = false;
 pv.param = "DisableForwarding";
 pvi = std::find(settings.moduleParams.begin(), settings.moduleParams.end(), pv);

-if (pvi == settings.moduleParams.end())
+if (pvi == settings.moduleParams.end() || pvi->value.empty())

     {
     disableForwarding = false;
     }
     {
     disableForwarding = false;
     }