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/*
irssi-python
Copyright (C) 2006 Christopher Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <Python.h>
#include "pyirssi.h"
#include "pysource.h"
typedef struct _PY_SOURCE_REC
{
int tag;
GSList **tag_list;
int fd;
PyObject *func;
PyObject *data;
} PY_SOURCE_REC;
static PY_SOURCE_REC *py_source_rec_new(GSList **tag_list, int fd, PyObject *func, PyObject *data)
{
PY_SOURCE_REC *rec;
rec = g_new0(PY_SOURCE_REC, 1);
rec->tag_list = tag_list;
rec->fd = fd;
rec->func = func;
rec->data = data;
Py_INCREF(func);
Py_XINCREF(data);
return rec;
}
static int py_remove_tag(GSList **list, int handle)
{
GSList *node;
node = g_slist_find(*list, GINT_TO_POINTER(handle));
if (!node)
return 0;
*list = g_slist_delete_link(*list, node);
return 1;
}
static void py_source_destroy(PY_SOURCE_REC *rec)
{
g_return_if_fail(py_remove_tag(rec->tag_list, rec->tag) == 1);
Py_DECREF(rec->func);
Py_XDECREF(rec->data);
g_free(rec);
}
static int py_handle_ret(PyObject *ret)
{
int res;
if (!ret)
{
PyErr_Print();
res = FALSE;
}
else
{
res = PyObject_IsTrue(ret);
Py_DECREF(ret);
}
return res;
}
static int py_timeout_proxy(PY_SOURCE_REC *rec)
{
PyObject *ret;
g_return_val_if_fail(rec != NULL, FALSE);
if (rec->data)
ret = PyObject_CallFunction(rec->func, "O", rec->data);
else
ret = PyObject_CallFunction(rec->func, "");
return py_handle_ret(ret);
}
static int py_io_proxy(GIOChannel *src, GIOCondition condition, PY_SOURCE_REC *rec)
{
PyObject *ret;
g_return_val_if_fail(rec != NULL, FALSE);
if (rec->data)
ret = PyObject_CallFunction(rec->func, "iiO", rec->fd, condition, rec->data);
else
ret = PyObject_CallFunction(rec->func, "ii", rec->fd, condition);
return py_handle_ret(ret);
}
int pysource_timeout_add_list(GSList **list, int msecs, PyObject *func, PyObject *data)
{
PY_SOURCE_REC *rec;
g_return_val_if_fail(func != NULL, -1);
rec = py_source_rec_new(list, -1, func, data);
rec->tag = g_timeout_add_full(G_PRIORITY_DEFAULT, msecs,
(GSourceFunc)py_timeout_proxy, rec,
(GDestroyNotify)py_source_destroy);
*list = g_slist_append(*list, GINT_TO_POINTER(rec->tag));
return rec->tag;
}
int pysource_io_add_watch_list(GSList **list, int fd, int cond, PyObject *func, PyObject *data)
{
PY_SOURCE_REC *rec;
GIOChannel *channel;
g_return_val_if_fail(func != NULL, 1);
rec = py_source_rec_new(list, fd, func, data);
channel = g_io_channel_unix_new(fd);
rec->tag = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, cond,
(GIOFunc)py_io_proxy, rec,
(GDestroyNotify)py_source_destroy);
g_io_channel_unref(channel);
*list = g_slist_append(*list, GINT_TO_POINTER(rec->tag));
return rec->tag;
}
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