| 1 | /* |
| 2 | ashd - A Sane HTTP Daemon |
| 3 | Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com> |
| 4 | |
| 5 | This program is free software: you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation, either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | |
| 19 | #include <Python.h> |
| 20 | #include <errno.h> |
| 21 | |
| 22 | #include <ashd/utils.h> |
| 23 | #include <ashd/proc.h> |
| 24 | |
| 25 | static PyObject *p_recvfd(PyObject *self, PyObject *args) |
| 26 | { |
| 27 | int fd, ret; |
| 28 | char *data; |
| 29 | size_t dlen; |
| 30 | PyObject *ro; |
| 31 | |
| 32 | fd = 0; |
| 33 | if(!PyArg_ParseTuple(args, "|i", &fd)) |
| 34 | return(NULL); |
| 35 | while(1) { |
| 36 | Py_BEGIN_ALLOW_THREADS; |
| 37 | ret = recvfd(fd, &data, &dlen); |
| 38 | Py_END_ALLOW_THREADS; |
| 39 | if(ret < 0) { |
| 40 | if(errno == 0) |
| 41 | return(Py_BuildValue("OO", Py_None, Py_None)); |
| 42 | if(errno == EINTR) { |
| 43 | if(PyErr_CheckSignals()) |
| 44 | return(NULL); |
| 45 | continue; |
| 46 | } |
| 47 | PyErr_SetFromErrno(PyExc_OSError); |
| 48 | return(NULL); |
| 49 | } |
| 50 | ro = Py_BuildValue("Ni", PyBytes_FromStringAndSize(data, dlen), ret); |
| 51 | free(data); |
| 52 | return(ro); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | static PyObject *p_sendfd(PyObject *self, PyObject *args) |
| 57 | { |
| 58 | int sock, fd, ret; |
| 59 | Py_buffer data; |
| 60 | |
| 61 | if(!PyArg_ParseTuple(args, "iiy*", &sock, &fd, &data)) |
| 62 | return(NULL); |
| 63 | while(1) { |
| 64 | Py_BEGIN_ALLOW_THREADS; |
| 65 | ret = sendfd(sock, fd, data.buf, data.len); |
| 66 | Py_END_ALLOW_THREADS; |
| 67 | PyBuffer_Release(&data); |
| 68 | if(ret < 0) { |
| 69 | if(errno == EINTR) { |
| 70 | if(PyErr_CheckSignals()) |
| 71 | return(NULL); |
| 72 | continue; |
| 73 | } |
| 74 | PyErr_SetFromErrno(PyExc_OSError); |
| 75 | return(NULL); |
| 76 | } |
| 77 | Py_RETURN_NONE; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | static PyMethodDef methods[] = { |
| 82 | {"recvfd", p_recvfd, METH_VARARGS, "Receive a datagram and a file descriptor"}, |
| 83 | {"sendfd", p_sendfd, METH_VARARGS, "Send a datagram and a file descriptor"}, |
| 84 | {NULL, NULL, 0, NULL} |
| 85 | }; |
| 86 | |
| 87 | static struct PyModuleDef module = { |
| 88 | PyModuleDef_HEAD_INIT, |
| 89 | .m_name = "htlib", |
| 90 | .m_size = -1, |
| 91 | .m_methods = methods, |
| 92 | }; |
| 93 | |
| 94 | PyMODINIT_FUNC PyInit_htlib(void) |
| 95 | { |
| 96 | return(PyModule_Create(&module)); |
| 97 | } |