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add Pkthdr setters #65

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add Pkthdr setters #65

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58 changes: 58 additions & 0 deletions pcap_pkthdr.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -40,14 +40,20 @@ pcap_dealloc(register pkthdr* pp)

// pcap methods
static PyObject* p_getts(register pkthdr* pp, PyObject* args);
static PyObject* p_setts(register pkthdr* pp, PyObject* args);
static PyObject* p_getcaplen(register pkthdr* pp, PyObject* args);
static PyObject* p_setcaplen(register pkthdr* pp, PyObject* args);
static PyObject* p_getlen(register pkthdr* pp, PyObject* args);
static PyObject* p_setlen(register pkthdr* pp, PyObject* args);


static PyMethodDef p_methods[] = {
{"getts", (PyCFunction) p_getts, METH_VARARGS, "get timestamp tuple (seconds, microseconds) since the Epoch"},
{"setts", (PyCFunction) p_setts, METH_VARARGS, "set timestamp tuple (seconds, microseconds) since the Epoch"},
{"getcaplen", (PyCFunction) p_getcaplen, METH_VARARGS, "returns the length of portion present"},
{"setcaplen", (PyCFunction) p_setcaplen, METH_VARARGS, "sets the length of portion present"},
{"getlen", (PyCFunction) p_getlen, METH_VARARGS, "returns the length of the packet (off wire)"},
{"setlen", (PyCFunction) p_setlen, METH_VARARGS, "sets the length of the packet (off wire)"},
{NULL, NULL} /* sentinel */
};

Expand Down Expand Up @@ -156,6 +162,25 @@ p_getts(register pkthdr* pp, PyObject* args)
return Py_BuildValue("(ll)", pp->ts.tv_sec, pp->ts.tv_usec);
}

static PyObject*
p_setts(register pkthdr* pp, PyObject* args)
{
if (Py_TYPE(pp) != &Pkthdr_type) {
PyErr_SetString(PcapError, "Not a pkthdr object");
return NULL;
}

long tv_sec = 0;
long tv_usec = 0;
if (!PyArg_ParseTuple(args, "ll", &tv_sec, &tv_usec))
return NULL;

pp->ts.tv_sec = tv_sec;
pp->ts.tv_usec = tv_usec;
Py_INCREF(Py_None);
return Py_None;
}

static PyObject*
p_getcaplen(register pkthdr* pp, PyObject* args)
{
Expand All @@ -167,6 +192,22 @@ p_getcaplen(register pkthdr* pp, PyObject* args)
return Py_BuildValue("l", pp->caplen);
}

static PyObject*
p_setcaplen(register pkthdr* pp, PyObject* args)
{
if (Py_TYPE(pp) != &Pkthdr_type) {
PyErr_SetString(PcapError, "Not a pkthdr object");
return NULL;
}
long caplen = 0;
if (!PyArg_ParseTuple(args, "l", &caplen))
return NULL;

pp->caplen = caplen;
Py_INCREF(Py_None);
return Py_None;
}

static PyObject*
p_getlen(register pkthdr* pp, PyObject* args)
{
Expand All @@ -178,6 +219,23 @@ p_getlen(register pkthdr* pp, PyObject* args)
return Py_BuildValue("l", pp->len);
}

static PyObject*
p_setlen(register pkthdr* pp, PyObject* args)
{
if (Py_TYPE(pp) != &Pkthdr_type) {
PyErr_SetString(PcapError, "Not a pkthdr object");
return NULL;
}

long len = 0;
if (!PyArg_ParseTuple(args, "l", &len))
return NULL;

pp->len = len;
Py_INCREF(Py_None);
return Py_None;
}

int
pkthdr_to_native(PyObject *pyhdr, struct pcap_pkthdr *hdr)
{
Expand Down