Log errors from plugins to server log.

[stg.git] / projects / stargazer / plugins / capture / cap_nf / cap_nf.cpp

diff --git a/projects/stargazer/plugins/capture/cap_nf/cap_nf.cpp b/projects/stargazer/plugins/capture/cap_nf/cap_nf.cpp
index 1b84d4604adbc29e9a59bf13ba878688c9ebb1af..37af97206a4275b7b5d90b20ba7ff985f93ec26a 100644 (file)
--- a/projects/stargazer/plugins/capture/cap_nf/cap_nf.cpp
+++ b/projects/stargazer/plugins/capture/cap_nf/cap_nf.cpp
@@ -39,37 +39,24 @@ $Author: faust $
 
 #include <vector>
 
-#include "common.h" 
+#include "stg/common.h" 
+#include "stg/raw_ip_packet.h"
+#include "stg/traffcounter.h"
+#include "stg/plugin_creator.h"
 #include "cap_nf.h"
-#include "raw_ip_packet.h"
-#include "traffcounter.h"
 
-class CAP_NF_CREATOR {
-public:
-    CAP_NF_CREATOR()
-        : nf(new NF_CAP())
-        {
-        }
-
-    ~CAP_NF_CREATOR()
-        {
-        delete nf;
-        }
-
-    NF_CAP * GetCapturer() { return nf; }
-private:
-    NF_CAP * nf;
-} cnc;
+PLUGIN_CREATOR<NF_CAP> cnc;
 
 PLUGIN * GetPlugin()
 {
-return cnc.GetCapturer();
+return cnc.GetPlugin();
 }
 
 NF_CAP::NF_CAP()
     : traffCnt(NULL),
-      tidTCP(0),
-      tidUDP(0),
+      settings(),
+      tidTCP(),
+      tidUDP(),
       runningTCP(false),
       runningUDP(false),
       stoppedTCP(true),
@@ -77,7 +64,9 @@ NF_CAP::NF_CAP()
       portT(0),
       portU(0),
       sockTCP(-1),
-      sockUDP(-1)
+      sockUDP(-1),
+      errorStr(),
+      logger(GetPluginLogger(GetStgLogger(), "cap_nf"))
 {
 }
 
@@ -129,6 +118,7 @@ if (portU > 0)
         runningUDP = false;
         CloseUDP();
         errorStr = "Cannot create UDP thread";
+       logger("Cannot create UDP thread.");
         printfd(__FILE__, "Error: Cannot create UDP thread\n");
         return -1;
         }
@@ -144,6 +134,7 @@ if (portT > 0)
         {
         runningTCP = false;
         CloseTCP();
+       logger("Cannot create TCP thread.");
         errorStr = "Cannot create TCP thread";
         printfd(__FILE__, "Error: Cannot create TCP thread\n");
         return -1;
@@ -160,7 +151,8 @@ if (portU && !stoppedUDP)
     CloseUDP();
     for (int i = 0; i < 25 && !stoppedUDP; ++i)
         {
-        usleep(200000);
+        struct timespec ts = {0, 200000000};
+        nanosleep(&ts, NULL);
         }
     if (stoppedUDP)
         {
@@ -171,10 +163,12 @@ if (portU && !stoppedUDP)
         if (pthread_kill(tidUDP, SIGUSR1))
             {
             errorStr = "Error sending signal to UDP thread";
+           logger("Error sending sugnal to UDP thread.");
             printfd(__FILE__, "Error: Error sending signal to UDP thread\n");
             return -1;
             }
         printfd(__FILE__, "UDP thread NOT stopped\n");
+        logger("Cannot stop UDP thread.");
         }
     }
 if (portT && !stoppedTCP)
@@ -182,7 +176,8 @@ if (portT && !stoppedTCP)
     CloseTCP();
     for (int i = 0; i < 25 && !stoppedTCP; ++i)
         {
-        usleep(200000);
+        struct timespec ts = {0, 200000000};
+        nanosleep(&ts, NULL);
         }
     if (stoppedTCP)
         {
@@ -193,10 +188,12 @@ if (portT && !stoppedTCP)
         if (pthread_kill(tidTCP, SIGUSR1))
             {
             errorStr = "Error sending signal to TCP thread";
+           logger("Error sending signal to TCP thread.");
             printfd(__FILE__, "Error: Error sending signal to TCP thread\n");
             return -1;
             }
         printfd(__FILE__, "TCP thread NOT stopped\n");
+       logger("Cannot stop TCP thread.");
         }
     }
 return 0;
@@ -209,6 +206,7 @@ sockUDP = socket(PF_INET, SOCK_DGRAM, 0);
 if (sockUDP <= 0)
     {
     errorStr = "Error opening UDP socket";
+    logger("Cannot create UDP socket: %s", strerror(errno));
     printfd(__FILE__, "Error: Error opening UDP socket\n");
     return true;
     }
@@ -218,6 +216,7 @@ sin.sin_addr.s_addr = inet_addr("0.0.0.0");
 if (bind(sockUDP, (struct sockaddr *)&sin, sizeof(sin)))
     {
     errorStr = "Error binding UDP socket";
+    logger("Cannot bind UDP socket: %s", strerror(errno));
     printfd(__FILE__, "Error: Error binding UDP socket\n");
     return true;
     }
@@ -231,6 +230,7 @@ sockTCP = socket(PF_INET, SOCK_STREAM, 0);
 if (sockTCP <= 0)
     {
     errorStr = "Error opening TCP socket";
+    logger("Cannot create TCP socket: %s", strerror(errno));
     printfd(__FILE__, "Error: Error opening TCP socket\n");
     return true;
     }
@@ -240,12 +240,14 @@ sin.sin_addr.s_addr = inet_addr("0.0.0.0");
 if (bind(sockTCP, (struct sockaddr *)&sin, sizeof(sin)))
     {
     errorStr = "Error binding TCP socket";
+    logger("Cannot bind TCP socket: %s", strerror(errno));
     printfd(__FILE__, "Error: Error binding TCP socket\n");
     return true;
     }
 if (listen(sockTCP, 1))
     {
     errorStr = "Error listening on TCP socket";
+    logger("Cannot listen on TCP socket: %s", strerror(errno));
     printfd(__FILE__, "Error: Error listening TCP socket\n");
     return true;
     }
@@ -254,6 +256,10 @@ return false;
 
 void * NF_CAP::RunUDP(void * c)
 {
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
 NF_CAP * cap = static_cast<NF_CAP *>(c);
 uint8_t buf[BUF_SIZE];
 int res;
@@ -262,7 +268,7 @@ socklen_t slen;
 cap->stoppedUDP = false;
 while (cap->runningUDP)
     {
-    if (!cap->WaitPackets(cap->sockUDP))
+    if (!WaitPackets(cap->sockUDP))
         {
         continue;
         }
@@ -273,6 +279,12 @@ while (cap->runningUDP)
     if (!cap->runningUDP)
         break;
 
+    if (res < 0)
+       {
+       cap->logger("recvfrom error: %s", strerror(errno));
+       continue;
+       }
+
     if (res == 0) // EOF
         {
         continue;
@@ -296,6 +308,10 @@ return NULL;
 
 void * NF_CAP::RunTCP(void * c)
 {
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
 NF_CAP * cap = static_cast<NF_CAP *>(c);
 uint8_t buf[BUF_SIZE];
 int res;
@@ -305,7 +321,7 @@ socklen_t slen;
 cap->stoppedTCP = false;
 while (cap->runningTCP)
     {
-    if (!cap->WaitPackets(cap->sockTCP))
+    if (!WaitPackets(cap->sockTCP))
         {
         continue;
         }
@@ -318,21 +334,22 @@ while (cap->runningTCP)
 
     if (sd <= 0)
         {
-        if (errno != EINTR)
-            {
-            cap->errorStr = "Error accepting connection";
-            printfd(__FILE__, "Error: Error accepting connection\n");
-            }
+        if (sd < 0)
+           cap->logger("accept error: %s", strerror(errno));
         continue;
         }
 
-    if (!cap->WaitPackets(sd))
+    if (!WaitPackets(sd))
         {
         close(sd);
         continue;
         }
 
     res = recv(sd, buf, BUF_SIZE, MSG_WAITALL);
+
+    if (res < 0)
+        cap->logger("recv error: %s", strerror(errno));
+
     close(sd);
 
     if (!cap->runningTCP)
@@ -347,11 +364,6 @@ while (cap->runningTCP)
     // Need to check actual data length and wait all data to receive
     if (res < 24)
         {
-        if (errno != EINTR)
-            {
-            cap->errorStr = "Invalid data received";
-            printfd(__FILE__, "Error: Invalid data received through TCP\n");
-            }
         continue;
         }
 
@@ -387,43 +399,15 @@ for (int i = 0; i < packets; ++i)
     {
     NF_DATA * data = reinterpret_cast<NF_DATA *>(buf + 24 + i * 48);
 
-    ip.header.ipHeader.ip_v = 4;
-    ip.header.ipHeader.ip_hl = 5;
-    ip.header.ipHeader.ip_p = data->proto;
+    ip.rawPacket.header.ipHeader.ip_v = 4;
+    ip.rawPacket.header.ipHeader.ip_hl = 5;
+    ip.rawPacket.header.ipHeader.ip_p = data->proto;
     ip.dataLen = ntohl(data->octets);
-    ip.header.ipHeader.ip_src.s_addr = data->srcAddr;
-    ip.header.ipHeader.ip_dst.s_addr = data->dstAddr;
-    ip.header.sPort = data->srcPort;
-    ip.header.dPort = data->dstPort;
+    ip.rawPacket.header.ipHeader.ip_src.s_addr = data->srcAddr;
+    ip.rawPacket.header.ipHeader.ip_dst.s_addr = data->dstAddr;
+    ip.rawPacket.header.sPort = data->srcPort;
+    ip.rawPacket.header.dPort = data->dstPort;
 
     traffCnt->Process(ip);
     }
 }
-
-bool NF_CAP::WaitPackets(int sd) const
-{
-fd_set rfds;
-FD_ZERO(&rfds);
-FD_SET(sd, &rfds);
-
-struct timeval tv;
-tv.tv_sec = 0;
-tv.tv_usec = 500000;
-
-int res = select(sd + 1, &rfds, NULL, NULL, &tv);
-if (res == -1) // Error
-    {
-    if (errno != EINTR)
-        {
-        printfd(__FILE__, "Error on select: '%s'\n", strerror(errno));
-        }
-    return false;
-    }
-
-if (res == 0) // Timeout
-    {
-    return false;
-    }
-
-return true;
-}