source: ResearchApps/Measurement/install_files/pcapy_warpnet_patch.diff

--- pcapobj.cc  2007-03-28 08:59:04.000000000 -0500
+++ ../pcapy-0.10.5_patch/pcapobj.cc    2010-05-20 15:59:50.000000000 -0500
@@ -58,6 +58,7 @@
 static PyObject* p_getnonblock(register pcapobject* pp, PyObject* args);
 static PyObject* p_dump_open(register pcapobject* pp, PyObject* args);
 static PyObject* p_sendpacket(register pcapobject* pp, PyObject* args);
+static PyObject* p_inject(register pcapobject* pp, PyObject* args);
 
 
 static PyMethodDef p_methods[] = {
@@ -72,6 +73,7 @@
   {"setnonblock", (PyCFunction) p_setnonblock, METH_VARARGS, "puts into `non-blocking' mode, or take it out, depending on the argument"},
   {"dump_open", (PyCFunction) p_dump_open, METH_VARARGS, "creates a dumper object"},
   {"sendpacket", (PyCFunction) p_sendpacket, METH_VARARGS, "sends a packet through the interface"},
+  {"inject", (PyCFunction) p_inject, METH_VARARGS, "sends a packet over pcap"},
   {NULL, NULL} /* sentinel */
 };
 
@@ -436,3 +438,23 @@
   Py_INCREF(Py_None);
   return Py_None;
 }
+
+static PyObject*
+p_inject(register pcapobject* pp, PyObject* args)
+{
+   int len;
+   const char *data;
+   int status;
+   
+   if (pp->ob_type != &Pcaptype)
+    {
+      PyErr_SetString(PcapError, "Not a pcap object");
+      return NULL;
+    }
+   
+   if (!PyArg_ParseTuple(args, "s#", &data, &len))
+       return NULL;
+   
+   status = pcap_inject(pp->pcap, data, len);
+   return Py_BuildValue("i", status);
+}