Implemented NFQ capturing.

[stg.git] / projects / stargazer / plugins / capture / ether_freebsd / ether_cap.cpp

diff --git a/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp b/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp
index 247051114511f74801fab94dc600cc07e8597428..254fd3f92d53d34d05c0f03dd43b805cede7ff06 100644 (file)
--- a/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp
+++ b/projects/stargazer/plugins/capture/ether_freebsd/ether_cap.cpp
@@ -60,7 +60,12 @@ $Author: faust $
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
+namespace
+{
 PLUGIN_CREATOR<BPF_CAP> bcc;
+}
+
+extern "C" PLUGIN * GetPlugin();
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
@@ -110,9 +115,9 @@ return iface[num];
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
-const std::string BPF_CAP::GetVersion() const
+std::string BPF_CAP::GetVersion() const
 {
-return "bpf_cap v.1.0";
+return "cap_bpf v.1.0";
 }
 //-----------------------------------------------------------------------------
 BPF_CAP::BPF_CAP()
@@ -125,7 +130,8 @@ BPF_CAP::BPF_CAP()
       isRunning(false),
       capSock(-1),
       settings(),
-      traffCnt(NULL)
+      traffCnt(NULL),
+      logger(GetPluginLogger(GetStgLogger(), "cap_bpf"))
 {
 }
 //-----------------------------------------------------------------------------
@@ -153,14 +159,15 @@ if (BPFCapOpen() < 0)
 
 nonstop = true;
 
-if (pthread_create(&thread, NULL, Run, this) == 0)
+if (pthread_create(&thread, NULL, Run, this))
     {
-    return 0;
+    errorStr = "Cannot create thread.";
+    logger("Cannot create thread.");
+    printfd(__FILE__, "Cannot create thread\n");
+    return -1;
     }
 
-errorStr = "Cannot create thread.";
-printfd(__FILE__, "Cannot create thread\n");
-return -1;
+return 0;
 }
 //-----------------------------------------------------------------------------
 int BPF_CAP::Stop()
@@ -190,6 +197,7 @@ 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;
         }
@@ -271,6 +279,7 @@ do
 if (bd->fd < 0)
     {
     errorStr = "Can't capture packets. Open bpf device for " + bd->iface + " error.";
+    logger("Cannot open device for interface '%s': %s", bd->iface.c_str(), strerror(errno));
     printfd(__FILE__, "Cannot open BPF device\n");
     return -1;
     }
@@ -280,6 +289,7 @@ strncpy(ifr.ifr_name, bd->iface.c_str(), sizeof(ifr.ifr_name));
 if (ioctl(bd->fd, BIOCSBLEN, (caddr_t)&l) < 0)
     {
     errorStr = bd->iface + " BIOCSBLEN " + std::string(strerror(errno));
+    logger("ioctl (BIOCSBLEN) error for interface '%s': %s", bd->iface.c_str(), strerror(errno));
     printfd(__FILE__, "ioctl failed: '%s'\n", errorStr.c_str());
     return -1;
     }
@@ -287,6 +297,7 @@ if (ioctl(bd->fd, BIOCSBLEN, (caddr_t)&l) < 0)
 if (ioctl(bd->fd, BIOCSETIF, (caddr_t)&ifr) < 0)
     {
     errorStr = bd->iface + " BIOCSETIF " + std::string(strerror(errno));
+    logger("ioctl (BIOCSETIF) error for interface '%s': %s", bd->iface.c_str(), strerror(errno));
     printfd(__FILE__, "ioctl failed: '%s'\n", errorStr.c_str());
     return -1;
     }
@@ -294,6 +305,7 @@ if (ioctl(bd->fd, BIOCSETIF, (caddr_t)&ifr) < 0)
 if (ioctl(bd->fd, BIOCIMMEDIATE, &im) < 0)
     {
     errorStr = bd->iface + " BIOCIMMEDIATE " + std::string(strerror(errno));
+    logger("ioctl (BIOCIMMEDIATE) error for interface '%s': %s", bd->iface.c_str(), strerror(errno));
     printfd(__FILE__, "ioctl failed: '%s'\n", errorStr.c_str());
     return -1;
     }
@@ -335,6 +347,7 @@ if (bd->canRead)
     bd->r = read(bd->fd, bd->buffer, BUFF_LEN);
     if (bd->r < 0)
         {
+        logger("read error: %s", strerror(errno));
         struct timespec ts = {0, 20000000};
         nanosleep(&ts, NULL);
         return -1;