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/*
* $Id: pcap.i,v 1.18 2007/07/25 07:42:54 wiml Exp $
* Python libpcap
* Copyright (C) 2001,2002, David Margrave
* Copyright (C) 2004,2007 William Lewis
* Based PY-libpcap (C) 1998, Aaron L. Rhodes
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the BSD Licence. See the file COPYING
* for details.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
%module pcap
#define DOC(NAME, VALUE)\
%{\
static char _doc_##NAME[] = VALUE;\
%}
%include doc.i
#define __doc__ pcap_doc
%{
#include <pcap.h>
#include "pypcap.h"
#include "constants.c"
#if defined(WITHOUT_PCAP_LIB_VERSION) && !defined(WITHOUT_VERSION_STRING)
extern char pcap_version[];
#endif
%}
%init %{
/* m is the current module */
/* d is the dictionary for the current module */
init_errors(m);
/* the DLT dictionary holds any DLT_* constants available on this platform */
{
PyObject *dlt = PyDict_New();
int constantIndex;
for(constantIndex = 0; pcapmodule_DLT[constantIndex].name; constantIndex ++) {
PyObject *v = PyInt_FromLong(pcapmodule_DLT[constantIndex].value);
PyDict_SetItemString(dlt,
pcapmodule_DLT[constantIndex].name,
v);
Py_DECREF(v);
}
PyModule_AddObject(m, "DLT", dlt); /* consumes a reference to dlt */
}
#if defined(WITHOUT_PCAP_LIB_VERSION)
#if !defined(WITHOUT_VERSION_STRING)
PyModule_AddStringConstant(m, "version", pcap_version);
#endif
#else
PyModule_AddStringConstant(m, "version", pcap_lib_version());
#endif
%}
%pythoncode %{
for dltname, dltvalue in _pcap.DLT.items():
globals()[dltname] = dltvalue
%}
/* typemaps */
/* let functions return raw python objects */
%typemap(out) PyObject * {
$result = $1;
}
/* let functions take raw python objects */
%typemap(in) PyObject * {
$1 = $input;
}
/* functions taking IPv4 addresses as unsigned 32-bit integers */
%typemap(in) in_addr_t {
if (PyInt_CheckExact($input)) {
$1 = (unsigned long)PyInt_AS_LONG($input);
} else if (!PyNumber_Check($input)) {
PyErr_SetString(PyExc_TypeError, "argument must be an integer");
SWIG_fail;
} else {
PyObject *longobject = PyNumber_Long($input);
if (longobject == NULL) { SWIG_fail; }
$1 = PyLong_AsUnsignedLong(longobject);
Py_DECREF(longobject);
if (PyErr_Occurred()) { SWIG_fail; } /* In case AsUnsignedLong() failed */
}
}
%exception {
$function
if(PyErr_Occurred()) {
SWIG_fail;
}
}
typedef struct {
%extend {
pcapObject(void);
DOC(new_pcapObject,"create a pcapObject instance")
~pcapObject(void);
DOC(delete_pcapObject,"destroy a pcapObject instance")
void open_live(char *device, int snaplen, int promisc, int to_ms);
DOC(pcapObject_open_live,pcapObject_open_live_doc)
void open_dead(int linktype, int snaplen);
DOC(pcapObject_open_dead,pcapObject_open_dead_doc)
void open_offline(char *filename);
DOC(pcapObject_open_offline,pcapObject_open_offline_doc)
void dump_open(char *fname);
DOC(pcapObject_dump_open,pcapObject_dump_open_doc)
void setnonblock(int nonblock);
DOC(pcapObject_setnonblock,pcapObject_setnonblock_doc)
int getnonblock(void);
DOC(pcapObject_getnonblock,pcapObject_getnonblock_doc)
void setfilter(char *str, int optimize, in_addr_t netmask);
DOC(pcapObject_setfilter,pcapObject_setfilter_doc)
void loop(int cnt, PyObject *PyObj);
DOC(pcapObject_loop,pcapObject_loop_doc)
int dispatch(int cnt, PyObject *PyObj);
DOC(pcapObject_dispatch,pcapObject_dispatch_doc)
PyObject *next(void);
DOC(pcapObject_next,pcapObject_next_doc)
int datalink(void);
DOC(pcapObject_datalink,pcapObject_datalink_doc)
#ifndef WITHOUT_LIST_DATALINKS
PyObject *datalinks(void);
DOC(pcapObject_datalinks,pcapObject_datalinks_doc)
#endif
int snapshot(void);
DOC(pcapObject_snapshot,pcapObject_snapshot_doc)
int is_swapped(void);
DOC(pcapObject_is_swapped,pcapObject_is_swapped_doc)
int major_version(void);
DOC(pcapObject_major_version,pcapObject_major_version_doc)
int minor_version(void);
DOC(pcapObject_minor_version,pcapObject_minor_version_doc)
PyObject *stats(void);
DOC(pcapObject_stats,pcapObject_stats_doc)
int fileno(void);
DOC(pcapObject_fileno,pcapObject_fileno_doc)
}
} pcapObject;
/* functions not associated with a pcapObject instance */
char *lookupdev(void);
DOC(lookupdev,lookupdev_doc)
PyObject *findalldevs(int unpack=1);
DOC(findalldevs,findalldevs_doc)
PyObject *lookupnet(char *device);
DOC(lookupnet,lookupnet_doc)
/* useful non-pcap functions */
PyObject *aton(char *cp);
DOC(aton,"aton(addr)\n\nconvert dotted decimal IP string to network byte order int")
char *ntoa(in_addr_t addr);
DOC(ntoa,"ntoa(addr)\n\nconvert network byte order int to dotted decimal IP string")
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