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#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
#include "Python.h"
#include "balkan.h"
typedef struct pythonPartTable_s {
PyObject_HEAD;
struct partitionTable table;
} pythonPartTable;
static void emptyDestructor(PyObject * s);
static pythonPartTable * readTable(PyObject * s, PyObject * args);
static PyObject * tableGetAttr(PyObject * s, char * name);
static int tableLength(PyObject * o);
PyObject * tableItem(PyObject * o, int n);
static PySequenceMethods pythonPartTableAsSequence = {
tableLength, /* length */
0, /* concat */
0, /* repeat */
tableItem, /* item */
0, /* slice */
0, /* assign item */
0, /* assign slice */
};
static PyTypeObject pythonPartTableType = {
PyObject_HEAD_INIT(&PyType_Type)
0, /* ob_size */
"parttable", /* tp_name */
sizeof(pythonPartTable), /* tp_size */
0, /* tp_itemsize */
emptyDestructor, /* tp_dealloc */
0, /* tp_print */
tableGetAttr, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_compare */
0, /* tp_repr */
0, /* tp_as_number */
&pythonPartTableAsSequence, /* tp_as_sequence */
0, /* tp_as_mapping */
};
static PyMethodDef balkanModuleMethods[] = {
{ "readTable", (PyCFunction) readTable, METH_VARARGS, NULL },
{ NULL }
} ;
static pythonPartTable * readTable(PyObject * s, PyObject * args) {
char * device;
pythonPartTable * table;
int fd;
if (!PyArg_ParseTuple(args, "s", &device)) return NULL;
table = PyObject_NEW(pythonPartTable, &pythonPartTableType);
fd = open(device, O_RDONLY | O_RDONLY);
if (fd < 0) {
PyErr_SetFromErrno(PyExc_SystemError);
return NULL;
}
balkanReadTable(fd, &table->table);
close(fd);
return table;
}
static int tableLength(PyObject * o) {
pythonPartTable * t = (void *) o;
return t->table.maxNumPartitions;
}
PyObject * tableItem(PyObject * o, int n) {
pythonPartTable * t = (void *) o;
if (n > t->table.maxNumPartitions) {
PyErr_SetString(PyExc_IndexError, "index out of bounds");
return NULL;
}
return Py_BuildValue("(iii)", t->table.parts[n].type,
t->table.parts[n].startSector,
t->table.parts[n].size);
}
static PyObject * tableGetAttr(PyObject * o, char * name) {
pythonPartTable * t = (void *) o;
if (!strcmp(name, "allocationUnit")) {
return Py_BuildValue("i", t->table.allocationUnit);
} else if (!strcmp(name, "sectorSize")) {
return Py_BuildValue("i", t->table.sectorSize);
}
return NULL;
}
void init_balkan(void) {
Py_InitModule("_balkan", balkanModuleMethods);
}
static void emptyDestructor(PyObject * s) {
}
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