| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 | Python bindings for tevent | 
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| 4 |  | 
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| 5 | Copyright (C) Jelmer Vernooij 2010 | 
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| 6 |  | 
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| 7 | ** NOTE! The following LGPL license applies to the tevent | 
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| 8 | ** library. This does NOT imply that all of Samba is released | 
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| 9 | ** under the LGPL | 
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| 10 |  | 
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| 11 | This library is free software; you can redistribute it and/or | 
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| 12 | modify it under the terms of the GNU Lesser General Public | 
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| 13 | License as published by the Free Software Foundation; either | 
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| 14 | version 3 of the License, or (at your option) any later version. | 
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| 15 |  | 
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| 16 | This library is distributed in the hope that it will be useful, | 
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| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 19 | Lesser General Public License for more details. | 
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| 20 |  | 
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| 21 | You should have received a copy of the GNU Lesser General Public | 
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| 22 | License along with this library; if not, see <http://www.gnu.org/licenses/>. | 
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| 23 | */ | 
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| 24 |  | 
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| 25 | #include <Python.h> | 
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| 26 | #include <tevent.h> | 
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| 27 |  | 
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| 28 | typedef struct { | 
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| 29 | PyObject_HEAD | 
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| 30 | struct tevent_context *ev; | 
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| 31 | } TeventContext_Object; | 
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| 32 |  | 
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| 33 | typedef struct { | 
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| 34 | PyObject_HEAD | 
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| 35 | struct tevent_queue *queue; | 
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| 36 | } TeventQueue_Object; | 
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| 37 |  | 
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| 38 | typedef struct { | 
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| 39 | PyObject_HEAD | 
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| 40 | struct tevent_req *req; | 
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| 41 | } TeventReq_Object; | 
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| 42 |  | 
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| 43 | typedef struct { | 
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| 44 | PyObject_HEAD | 
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| 45 | struct tevent_signal *signal; | 
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| 46 | } TeventSignal_Object; | 
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| 47 |  | 
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| 48 | typedef struct { | 
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| 49 | PyObject_HEAD | 
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| 50 | struct tevent_timer *timer; | 
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| 51 | } TeventTimer_Object; | 
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| 52 |  | 
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| 53 | typedef struct { | 
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| 54 | PyObject_HEAD | 
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| 55 | struct tevent_fd *fd; | 
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| 56 | } TeventFd_Object; | 
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| 57 |  | 
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| 58 | staticforward PyTypeObject TeventContext_Type; | 
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| 59 | staticforward PyTypeObject TeventReq_Type; | 
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| 60 | staticforward PyTypeObject TeventQueue_Type; | 
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| 61 | staticforward PyTypeObject TeventSignal_Type; | 
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| 62 | staticforward PyTypeObject TeventTimer_Type; | 
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| 63 | staticforward PyTypeObject TeventFd_Type; | 
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| 64 |  | 
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| 65 | static int py_context_init(struct tevent_context *ev) | 
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| 66 | { | 
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| 67 | /* FIXME */ | 
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| 68 | return 0; | 
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| 69 | } | 
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| 70 |  | 
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| 71 | static struct tevent_fd *py_add_fd(struct tevent_context *ev, | 
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| 72 | TALLOC_CTX *mem_ctx, | 
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| 73 | int fd, uint16_t flags, | 
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| 74 | tevent_fd_handler_t handler, | 
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| 75 | void *private_data, | 
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| 76 | const char *handler_name, | 
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| 77 | const char *location) | 
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| 78 | { | 
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| 79 | /* FIXME */ | 
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| 80 | return NULL; | 
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| 81 | } | 
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| 82 |  | 
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| 83 | static void py_set_fd_close_fn(struct tevent_fd *fde, | 
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| 84 | tevent_fd_close_fn_t close_fn) | 
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| 85 | { | 
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| 86 | /* FIXME */ | 
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| 87 | } | 
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| 88 |  | 
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| 89 | uint16_t py_get_fd_flags(struct tevent_fd *fde) | 
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| 90 | { | 
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| 91 | /* FIXME */ | 
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| 92 | return 0; | 
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| 93 | } | 
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| 94 |  | 
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| 95 | static void py_set_fd_flags(struct tevent_fd *fde, uint16_t flags) | 
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| 96 | { | 
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| 97 | /* FIXME */ | 
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| 98 | } | 
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| 99 |  | 
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| 100 | /* timed_event functions */ | 
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| 101 | static struct tevent_timer *py_add_timer(struct tevent_context *ev, | 
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| 102 | TALLOC_CTX *mem_ctx, | 
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| 103 | struct timeval next_event, | 
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| 104 | tevent_timer_handler_t handler, | 
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| 105 | void *private_data, | 
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| 106 | const char *handler_name, | 
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| 107 | const char *location) | 
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| 108 | { | 
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| 109 | /* FIXME */ | 
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| 110 | return NULL; | 
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| 111 | } | 
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| 112 |  | 
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| 113 | /* immediate event functions */ | 
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| 114 | static void py_schedule_immediate(struct tevent_immediate *im, | 
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| 115 | struct tevent_context *ev, | 
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| 116 | tevent_immediate_handler_t handler, | 
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| 117 | void *private_data, | 
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| 118 | const char *handler_name, | 
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| 119 | const char *location) | 
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| 120 | { | 
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| 121 | /* FIXME */ | 
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| 122 | } | 
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| 123 |  | 
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| 124 | /* signal functions */ | 
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| 125 | static struct tevent_signal *py_add_signal(struct tevent_context *ev, | 
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| 126 | TALLOC_CTX *mem_ctx, | 
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| 127 | int signum, int sa_flags, | 
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| 128 | tevent_signal_handler_t handler, | 
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| 129 | void *private_data, | 
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| 130 | const char *handler_name, | 
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| 131 | const char *location) | 
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| 132 | { | 
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| 133 | /* FIXME */ | 
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| 134 | return NULL; | 
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| 135 | } | 
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| 136 |  | 
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| 137 | /* loop functions */ | 
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| 138 | static int py_loop_once(struct tevent_context *ev, const char *location) | 
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| 139 | { | 
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| 140 | /* FIXME */ | 
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| 141 | return 0; | 
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| 142 | } | 
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| 143 |  | 
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| 144 | static int py_loop_wait(struct tevent_context *ev, const char *location) | 
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| 145 | { | 
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| 146 | /* FIXME */ | 
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| 147 | return 0; | 
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| 148 | } | 
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| 149 |  | 
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| 150 | const static struct tevent_ops py_tevent_ops = { | 
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| 151 | .context_init = py_context_init, | 
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| 152 | .add_fd = py_add_fd, | 
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| 153 | .set_fd_close_fn = py_set_fd_close_fn, | 
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| 154 | .get_fd_flags = py_get_fd_flags, | 
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| 155 | .set_fd_flags = py_set_fd_flags, | 
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| 156 | .add_timer = py_add_timer, | 
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| 157 | .schedule_immediate = py_schedule_immediate, | 
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| 158 | .add_signal = py_add_signal, | 
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| 159 | .loop_wait = py_loop_wait, | 
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| 160 | .loop_once = py_loop_once, | 
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| 161 | }; | 
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| 162 |  | 
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| 163 | static PyObject *py_register_backend(PyObject *self, PyObject *args) | 
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| 164 | { | 
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| 165 | PyObject *name, *py_backend; | 
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| 166 |  | 
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| 167 | if (!PyArg_ParseTuple(args, "O", &py_backend)) | 
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| 168 | return NULL; | 
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| 169 |  | 
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| 170 | name = PyObject_GetAttrString(py_backend, "name"); | 
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| 171 | if (name == NULL) { | 
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| 172 | PyErr_SetNone(PyExc_AttributeError); | 
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| 173 | return NULL; | 
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| 174 | } | 
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| 175 |  | 
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| 176 | if (!PyString_Check(name)) { | 
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| 177 | PyErr_SetNone(PyExc_TypeError); | 
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| 178 | return NULL; | 
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| 179 | } | 
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| 180 |  | 
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| 181 | if (!tevent_register_backend(PyString_AsString(name), &py_tevent_ops)) { /* FIXME: What to do with backend */ | 
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| 182 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 183 | return NULL; | 
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| 184 | } | 
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| 185 |  | 
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| 186 | Py_RETURN_NONE; | 
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| 187 | } | 
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| 188 |  | 
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| 189 | static PyObject *py_tevent_context_reinitialise(TeventContext_Object *self) | 
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| 190 | { | 
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| 191 | int ret = tevent_re_initialise(self->ev); | 
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| 192 | if (ret != 0) { | 
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| 193 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 194 | return NULL; | 
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| 195 | } | 
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| 196 | Py_RETURN_NONE; | 
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| 197 | } | 
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| 198 |  | 
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| 199 | static PyObject *py_tevent_queue_stop(TeventQueue_Object *self) | 
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| 200 | { | 
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| 201 | tevent_queue_stop(self->queue); | 
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| 202 | Py_RETURN_NONE; | 
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| 203 | } | 
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| 204 |  | 
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| 205 | static PyObject *py_tevent_queue_start(TeventQueue_Object *self) | 
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| 206 | { | 
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| 207 | tevent_queue_start(self->queue); | 
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| 208 | Py_RETURN_NONE; | 
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| 209 | } | 
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| 210 |  | 
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| 211 | static void py_queue_trigger(struct tevent_req *req, void *private_data) | 
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| 212 | { | 
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| 213 | PyObject *callback = private_data, *ret; | 
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| 214 |  | 
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| 215 | ret = PyObject_CallFunction(callback, ""); | 
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| 216 | Py_XDECREF(ret); | 
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| 217 | } | 
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| 218 |  | 
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| 219 | static PyObject *py_tevent_queue_add(TeventQueue_Object *self, PyObject *args) | 
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| 220 | { | 
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| 221 | TeventContext_Object *py_ev; | 
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| 222 | TeventReq_Object *py_req; | 
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| 223 | PyObject *trigger; | 
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| 224 | bool ret; | 
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| 225 |  | 
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| 226 | if (!PyArg_ParseTuple(args, "O!O!O", | 
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| 227 | &TeventContext_Type, &py_ev, | 
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| 228 | &TeventReq_Type, &py_req, | 
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| 229 | &trigger)) | 
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| 230 | return NULL; | 
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| 231 |  | 
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| 232 | Py_INCREF(trigger); | 
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| 233 |  | 
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| 234 | ret = tevent_queue_add(self->queue, py_ev->ev, py_req->req, | 
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| 235 | py_queue_trigger, trigger); | 
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| 236 | if (!ret) { | 
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| 237 | PyErr_SetString(PyExc_RuntimeError, "queue add failed"); | 
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| 238 | Py_DECREF(trigger); | 
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| 239 | return NULL; | 
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| 240 | } | 
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| 241 |  | 
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| 242 | Py_RETURN_NONE; | 
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| 243 | } | 
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| 244 |  | 
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| 245 | static PyMethodDef py_tevent_queue_methods[] = { | 
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| 246 | { "stop", (PyCFunction)py_tevent_queue_stop, METH_NOARGS, | 
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| 247 | "S.stop()" }, | 
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| 248 | { "start", (PyCFunction)py_tevent_queue_start, METH_NOARGS, | 
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| 249 | "S.start()" }, | 
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| 250 | { "add", (PyCFunction)py_tevent_queue_add, METH_VARARGS, | 
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| 251 | "S.add(ctx, req, trigger, baton)" }, | 
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| 252 | { NULL }, | 
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| 253 | }; | 
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| 254 |  | 
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| 255 | static PyObject *py_tevent_context_wakeup_send(PyObject *self, PyObject *args) | 
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| 256 | { | 
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| 257 | /* FIXME */ | 
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| 258 |  | 
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| 259 | Py_RETURN_NONE; | 
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| 260 | } | 
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| 261 |  | 
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| 262 | static PyObject *py_tevent_context_loop_wait(TeventContext_Object *self) | 
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| 263 | { | 
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| 264 | if (tevent_loop_wait(self->ev) != 0) { | 
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| 265 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 266 | return NULL; | 
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| 267 | } | 
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| 268 | Py_RETURN_NONE; | 
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| 269 | } | 
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| 270 |  | 
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| 271 | static PyObject *py_tevent_context_loop_once(TeventContext_Object *self) | 
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| 272 | { | 
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| 273 | if (tevent_loop_once(self->ev) != 0) { | 
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| 274 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 275 | return NULL; | 
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| 276 | } | 
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| 277 | Py_RETURN_NONE; | 
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| 278 | } | 
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| 279 |  | 
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| 280 | #ifdef TEVENT_DEPRECATED | 
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| 281 | static bool py_tevent_finished(PyObject *callback) | 
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| 282 | { | 
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| 283 | PyObject *py_ret; | 
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| 284 | bool ret; | 
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| 285 |  | 
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| 286 | py_ret = PyObject_CallFunction(callback, ""); | 
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| 287 | if (py_ret == NULL) | 
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| 288 | return true; | 
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| 289 | ret = PyObject_IsTrue(py_ret); | 
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| 290 | Py_DECREF(py_ret); | 
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| 291 | return ret; | 
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| 292 | } | 
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| 293 |  | 
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| 294 | static PyObject *py_tevent_context_loop_until(TeventContext_Object *self, PyObject *args) | 
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| 295 | { | 
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| 296 | PyObject *callback; | 
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| 297 | if (!PyArg_ParseTuple(args, "O", &callback)) | 
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| 298 | return NULL; | 
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| 299 |  | 
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| 300 | if (tevent_loop_until(self->ev, py_tevent_finished, callback) != 0) { | 
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| 301 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 302 | return NULL; | 
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| 303 | } | 
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| 304 |  | 
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| 305 | if (PyErr_Occurred()) | 
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| 306 | return NULL; | 
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| 307 |  | 
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| 308 | Py_RETURN_NONE; | 
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| 309 | } | 
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| 310 | #endif | 
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| 311 |  | 
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| 312 | static void py_tevent_signal_handler(struct tevent_context *ev, | 
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| 313 | struct tevent_signal *se, | 
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| 314 | int signum, | 
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| 315 | int count, | 
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| 316 | void *siginfo, | 
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| 317 | void *private_data) | 
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| 318 | { | 
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| 319 | PyObject *callback = (PyObject *)private_data, *ret; | 
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| 320 |  | 
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| 321 | ret = PyObject_CallFunction(callback, "ii", signum, count); | 
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| 322 | Py_XDECREF(ret); | 
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| 323 | } | 
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| 324 |  | 
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| 325 | static void py_tevent_signal_dealloc(TeventSignal_Object *self) | 
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| 326 | { | 
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| 327 | talloc_free(self->signal); | 
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| 328 | PyObject_Del(self); | 
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| 329 | } | 
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| 330 |  | 
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| 331 | static PyTypeObject TeventSignal_Type = { | 
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| 332 | .tp_name = "Signal", | 
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| 333 | .tp_basicsize = sizeof(TeventSignal_Object), | 
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| 334 | .tp_dealloc = (destructor)py_tevent_signal_dealloc, | 
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| 335 | .tp_flags = Py_TPFLAGS_DEFAULT, | 
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| 336 | }; | 
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| 337 |  | 
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| 338 | static PyObject *py_tevent_context_add_signal(TeventContext_Object *self, PyObject *args) | 
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| 339 | { | 
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| 340 | int signum, sa_flags; | 
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| 341 | PyObject *handler; | 
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| 342 | struct tevent_signal *sig; | 
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| 343 | TeventSignal_Object *ret; | 
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| 344 |  | 
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| 345 | if (!PyArg_ParseTuple(args, "iiO", &signum, &sa_flags, &handler)) | 
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| 346 | return NULL; | 
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| 347 |  | 
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| 348 | Py_INCREF(handler); | 
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| 349 | sig = tevent_add_signal(self->ev, NULL, signum, sa_flags, | 
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| 350 | py_tevent_signal_handler, handler); | 
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| 351 |  | 
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| 352 | ret = PyObject_New(TeventSignal_Object, &TeventSignal_Type); | 
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| 353 | if (ret == NULL) { | 
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| 354 | PyErr_NoMemory(); | 
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| 355 | talloc_free(sig); | 
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| 356 | return NULL; | 
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| 357 | } | 
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| 358 |  | 
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| 359 | ret->signal = sig; | 
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| 360 |  | 
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| 361 | return (PyObject *)ret; | 
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| 362 | } | 
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| 363 |  | 
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| 364 | static void py_timer_handler(struct tevent_context *ev, | 
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| 365 | struct tevent_timer *te, | 
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| 366 | struct timeval current_time, | 
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| 367 | void *private_data) | 
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| 368 | { | 
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| 369 | PyObject *callback = private_data, *ret; | 
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| 370 | ret = PyObject_CallFunction(callback, "l", te); | 
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| 371 | Py_XDECREF(ret); | 
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| 372 | } | 
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| 373 |  | 
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| 374 | static PyObject *py_tevent_context_add_timer(TeventContext_Object *self, PyObject *args) | 
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| 375 | { | 
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| 376 | TeventTimer_Object *ret; | 
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| 377 | struct timeval next_event; | 
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| 378 | struct tevent_timer *timer; | 
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| 379 | PyObject *handler; | 
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| 380 | if (!PyArg_ParseTuple(args, "lO", &next_event, &handler)) | 
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| 381 | return NULL; | 
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| 382 |  | 
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| 383 | timer = tevent_add_timer(self->ev, NULL, next_event, py_timer_handler, | 
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| 384 | handler); | 
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| 385 | if (timer == NULL) { | 
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| 386 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 387 | return NULL; | 
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| 388 | } | 
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| 389 |  | 
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| 390 | ret = PyObject_New(TeventTimer_Object, &TeventTimer_Type); | 
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| 391 | if (ret == NULL) { | 
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| 392 | PyErr_NoMemory(); | 
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| 393 | talloc_free(timer); | 
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| 394 | return NULL; | 
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| 395 | } | 
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| 396 | ret->timer = timer; | 
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| 397 |  | 
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| 398 | return (PyObject *)ret; | 
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| 399 | } | 
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| 400 |  | 
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| 401 | static void py_fd_handler(struct tevent_context *ev, | 
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| 402 | struct tevent_fd *fde, | 
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| 403 | uint16_t flags, | 
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| 404 | void *private_data) | 
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| 405 | { | 
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| 406 | PyObject *callback = private_data, *ret; | 
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| 407 |  | 
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| 408 | ret = PyObject_CallFunction(callback, "i", flags); | 
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| 409 | Py_XDECREF(ret); | 
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| 410 | } | 
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| 411 |  | 
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| 412 | static PyObject *py_tevent_context_add_fd(TeventContext_Object *self, PyObject *args) | 
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| 413 | { | 
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| 414 | int fd, flags; | 
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| 415 | PyObject *handler; | 
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| 416 | struct tevent_fd *tfd; | 
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| 417 | TeventFd_Object *ret; | 
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| 418 |  | 
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| 419 | if (!PyArg_ParseTuple(args, "iiO", &fd, &flags, &handler)) | 
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| 420 | return NULL; | 
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| 421 |  | 
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| 422 | tfd = tevent_add_fd(self->ev, NULL, fd, flags, py_fd_handler, handler); | 
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| 423 | if (tfd == NULL) { | 
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| 424 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 425 | return NULL; | 
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| 426 | } | 
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| 427 |  | 
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| 428 | ret = PyObject_New(TeventFd_Object, &TeventFd_Type); | 
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| 429 | if (ret == NULL) { | 
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| 430 | talloc_free(tfd); | 
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| 431 | return NULL; | 
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| 432 | } | 
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| 433 | ret->fd = tfd; | 
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| 434 |  | 
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| 435 | return (PyObject *)ret; | 
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| 436 | } | 
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| 437 |  | 
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| 438 | #ifdef TEVENT_DEPRECATED | 
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| 439 | static PyObject *py_tevent_context_set_allow_nesting(TeventContext_Object *self) | 
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| 440 | { | 
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| 441 | tevent_loop_allow_nesting(self->ev); | 
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| 442 | Py_RETURN_NONE; | 
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| 443 | } | 
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| 444 | #endif | 
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| 445 |  | 
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| 446 | static PyMethodDef py_tevent_context_methods[] = { | 
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| 447 | { "reinitialise", (PyCFunction)py_tevent_context_reinitialise, METH_NOARGS, | 
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| 448 | "S.reinitialise()" }, | 
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| 449 | { "wakeup_send", (PyCFunction)py_tevent_context_wakeup_send, | 
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| 450 | METH_VARARGS, "S.wakeup_send(wakeup_time) -> req" }, | 
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| 451 | { "loop_wait", (PyCFunction)py_tevent_context_loop_wait, | 
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| 452 | METH_NOARGS, "S.loop_wait()" }, | 
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| 453 | { "loop_once", (PyCFunction)py_tevent_context_loop_once, | 
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| 454 | METH_NOARGS, "S.loop_once()" }, | 
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| 455 | #ifdef TEVENT_DEPRECATED | 
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| 456 | { "loop_until", (PyCFunction)py_tevent_context_loop_until, | 
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| 457 | METH_VARARGS, "S.loop_until(callback)" }, | 
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| 458 | #endif | 
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| 459 | { "add_signal", (PyCFunction)py_tevent_context_add_signal, | 
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| 460 | METH_VARARGS, "S.add_signal(signum, sa_flags, handler) -> signal" }, | 
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| 461 | { "add_timer", (PyCFunction)py_tevent_context_add_timer, | 
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| 462 | METH_VARARGS, "S.add_timer(next_event, handler) -> timer" }, | 
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| 463 | { "add_fd", (PyCFunction)py_tevent_context_add_fd, | 
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| 464 | METH_VARARGS, "S.add_fd(fd, flags, handler) -> fd" }, | 
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| 465 | #ifdef TEVENT_DEPRECATED | 
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| 466 | { "allow_nesting", (PyCFunction)py_tevent_context_set_allow_nesting, | 
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| 467 | METH_NOARGS, "Whether to allow nested tevent loops." }, | 
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| 468 | #endif | 
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| 469 | { NULL }, | 
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| 470 | }; | 
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| 471 |  | 
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| 472 | static PyObject *py_tevent_req_wakeup_recv(PyObject *self) | 
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| 473 | { | 
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| 474 | /* FIXME */ | 
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| 475 | Py_RETURN_NONE; | 
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| 476 | } | 
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| 477 |  | 
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| 478 | static PyObject *py_tevent_req_received(PyObject *self) | 
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| 479 | { | 
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| 480 | /* FIXME */ | 
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| 481 | Py_RETURN_NONE; | 
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| 482 | } | 
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| 483 |  | 
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| 484 | static PyObject *py_tevent_req_is_error(PyObject *self) | 
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| 485 | { | 
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| 486 | /* FIXME */ | 
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| 487 | Py_RETURN_NONE; | 
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| 488 | } | 
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| 489 |  | 
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| 490 | static PyObject *py_tevent_req_poll(PyObject *self) | 
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| 491 | { | 
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| 492 | /* FIXME */ | 
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| 493 | Py_RETURN_NONE; | 
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| 494 | } | 
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| 495 |  | 
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| 496 | static PyObject *py_tevent_req_is_in_progress(PyObject *self) | 
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| 497 | { | 
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| 498 | /* FIXME */ | 
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| 499 | Py_RETURN_NONE; | 
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| 500 | } | 
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| 501 |  | 
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| 502 | static PyGetSetDef py_tevent_req_getsetters[] = { | 
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| 503 | { "in_progress", (getter)py_tevent_req_is_in_progress, NULL, | 
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| 504 | "Whether the request is in progress" }, | 
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| 505 | { NULL } | 
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| 506 | }; | 
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| 507 |  | 
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| 508 | static PyObject *py_tevent_req_post(PyObject *self, PyObject *args) | 
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| 509 | { | 
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| 510 | /* FIXME */ | 
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| 511 | Py_RETURN_NONE; | 
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| 512 | } | 
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| 513 |  | 
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| 514 | static PyObject *py_tevent_req_set_error(PyObject *self, PyObject *args) | 
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| 515 | { | 
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| 516 | /* FIXME */ | 
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| 517 | Py_RETURN_NONE; | 
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| 518 | } | 
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| 519 |  | 
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| 520 | static PyObject *py_tevent_req_done(PyObject *self) | 
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| 521 | { | 
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| 522 | /* FIXME */ | 
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| 523 | Py_RETURN_NONE; | 
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| 524 | } | 
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| 525 |  | 
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| 526 | static PyObject *py_tevent_req_notify_callback(PyObject *self) | 
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| 527 | { | 
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| 528 | /* FIXME */ | 
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| 529 | Py_RETURN_NONE; | 
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| 530 | } | 
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| 531 |  | 
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| 532 | static PyObject *py_tevent_req_set_endtime(PyObject *self, PyObject *args) | 
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| 533 | { | 
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| 534 | /* FIXME */ | 
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| 535 | Py_RETURN_NONE; | 
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| 536 | } | 
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| 537 |  | 
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| 538 | static PyObject *py_tevent_req_cancel(TeventReq_Object *self) | 
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| 539 | { | 
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| 540 | if (!tevent_req_cancel(self->req)) { | 
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| 541 | PyErr_SetNone(PyExc_RuntimeError); | 
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| 542 | return NULL; | 
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| 543 | } | 
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| 544 | Py_RETURN_NONE; | 
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| 545 | } | 
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| 546 |  | 
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| 547 | static PyMethodDef py_tevent_req_methods[] = { | 
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| 548 | { "wakeup_recv", (PyCFunction)py_tevent_req_wakeup_recv, METH_NOARGS, | 
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| 549 | "Wakeup received" }, | 
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| 550 | { "received", (PyCFunction)py_tevent_req_received, METH_NOARGS, | 
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| 551 | "Receive finished" }, | 
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| 552 | { "is_error", (PyCFunction)py_tevent_req_is_error, METH_NOARGS, | 
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| 553 | "is_error() -> (error, state)" }, | 
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| 554 | { "poll", (PyCFunction)py_tevent_req_poll, METH_VARARGS, | 
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| 555 | "poll(ctx)" }, | 
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| 556 | { "post", (PyCFunction)py_tevent_req_post, METH_VARARGS, | 
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| 557 | "post(ctx) -> req" }, | 
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| 558 | { "set_error", (PyCFunction)py_tevent_req_set_error, METH_VARARGS, | 
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| 559 | "set_error(error)" }, | 
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| 560 | { "done", (PyCFunction)py_tevent_req_done, METH_NOARGS, | 
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| 561 | "done()" }, | 
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| 562 | { "notify_callback", (PyCFunction)py_tevent_req_notify_callback, | 
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| 563 | METH_NOARGS, "notify_callback()" }, | 
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| 564 | { "set_endtime", (PyCFunction)py_tevent_req_set_endtime, | 
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| 565 | METH_VARARGS, "set_endtime(ctx, endtime)" }, | 
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| 566 | { "cancel", (PyCFunction)py_tevent_req_cancel, | 
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| 567 | METH_NOARGS, "cancel()" }, | 
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| 568 | { NULL } | 
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| 569 | }; | 
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| 570 |  | 
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| 571 | static void py_tevent_req_dealloc(TeventReq_Object *self) | 
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| 572 | { | 
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| 573 | talloc_free(self->req); | 
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| 574 | PyObject_DEL(self); | 
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| 575 | } | 
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| 576 |  | 
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| 577 | static PyTypeObject TeventReq_Type = { | 
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| 578 | .tp_name = "tevent.Request", | 
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| 579 | .tp_basicsize = sizeof(TeventReq_Object), | 
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| 580 | .tp_methods = py_tevent_req_methods, | 
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| 581 | .tp_dealloc = (destructor)py_tevent_req_dealloc, | 
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| 582 | .tp_getset = py_tevent_req_getsetters, | 
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| 583 | /* FIXME: .tp_new = py_tevent_req_new, */ | 
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| 584 | }; | 
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| 585 |  | 
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| 586 | static PyObject *py_tevent_queue_get_length(TeventQueue_Object *self) | 
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| 587 | { | 
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| 588 | return PyInt_FromLong(tevent_queue_length(self->queue)); | 
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| 589 | } | 
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| 590 |  | 
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| 591 | static PyGetSetDef py_tevent_queue_getsetters[] = { | 
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| 592 | { "length", (getter)py_tevent_queue_get_length, | 
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| 593 | NULL, "The number of elements in the queue." }, | 
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| 594 | { NULL }, | 
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| 595 | }; | 
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| 596 |  | 
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| 597 | static void py_tevent_queue_dealloc(TeventQueue_Object *self) | 
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| 598 | { | 
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| 599 | talloc_free(self->queue); | 
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| 600 | PyObject_Del(self); | 
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| 601 | } | 
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| 602 |  | 
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| 603 | static PyTypeObject TeventQueue_Type = { | 
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| 604 | .tp_name = "tevent.Queue", | 
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| 605 | .tp_basicsize = sizeof(TeventQueue_Object), | 
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| 606 | .tp_dealloc = (destructor)py_tevent_queue_dealloc, | 
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| 607 | .tp_flags = Py_TPFLAGS_DEFAULT, | 
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| 608 | .tp_getset = py_tevent_queue_getsetters, | 
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| 609 | .tp_methods = py_tevent_queue_methods, | 
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| 610 | }; | 
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| 611 |  | 
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| 612 | static PyObject *py_tevent_context_signal_support(PyObject *_self) | 
|---|
| 613 | { | 
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| 614 | TeventContext_Object *self = (TeventContext_Object *)_self; | 
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| 615 | return PyBool_FromLong(tevent_signal_support(self->ev)); | 
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| 616 | } | 
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| 617 |  | 
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| 618 | static PyGetSetDef py_tevent_context_getsetters[] = { | 
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| 619 | { "signal_support", (getter)py_tevent_context_signal_support, | 
|---|
| 620 | NULL, "if this platform and tevent context support signal handling" }, | 
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| 621 | { NULL } | 
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| 622 | }; | 
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| 623 |  | 
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| 624 | static void py_tevent_context_dealloc(TeventContext_Object *self) | 
|---|
| 625 | { | 
|---|
| 626 | talloc_free(self->ev); | 
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| 627 | PyObject_Del(self); | 
|---|
| 628 | } | 
|---|
| 629 |  | 
|---|
| 630 | static PyObject *py_tevent_context_new(PyTypeObject *type, PyObject *args, PyObject *kwargs) | 
|---|
| 631 | { | 
|---|
| 632 | const char * const kwnames[] = { "name", NULL }; | 
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| 633 | char *name = NULL; | 
|---|
| 634 | struct tevent_context *ev; | 
|---|
| 635 | TeventContext_Object *ret; | 
|---|
| 636 |  | 
|---|
| 637 | if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s", kwnames, &name)) | 
|---|
| 638 | return NULL; | 
|---|
| 639 |  | 
|---|
| 640 | if (name == NULL) { | 
|---|
| 641 | ev = tevent_context_init(NULL); | 
|---|
| 642 | } else { | 
|---|
| 643 | ev = tevent_context_init_byname(NULL, name); | 
|---|
| 644 | } | 
|---|
| 645 |  | 
|---|
| 646 | if (ev == NULL) { | 
|---|
| 647 | PyErr_SetNone(PyExc_RuntimeError); | 
|---|
| 648 | return NULL; | 
|---|
| 649 | } | 
|---|
| 650 |  | 
|---|
| 651 | ret = PyObject_New(TeventContext_Object, type); | 
|---|
| 652 | if (ret == NULL) { | 
|---|
| 653 | PyErr_NoMemory(); | 
|---|
| 654 | talloc_free(ev); | 
|---|
| 655 | return NULL; | 
|---|
| 656 | } | 
|---|
| 657 |  | 
|---|
| 658 | ret->ev = ev; | 
|---|
| 659 | return (PyObject *)ret; | 
|---|
| 660 | } | 
|---|
| 661 |  | 
|---|
| 662 | static PyTypeObject TeventContext_Type = { | 
|---|
| 663 | .tp_name = "_tevent.Context", | 
|---|
| 664 | .tp_new = py_tevent_context_new, | 
|---|
| 665 | .tp_basicsize = sizeof(TeventContext_Object), | 
|---|
| 666 | .tp_dealloc = (destructor)py_tevent_context_dealloc, | 
|---|
| 667 | .tp_methods = py_tevent_context_methods, | 
|---|
| 668 | .tp_getset = py_tevent_context_getsetters, | 
|---|
| 669 | .tp_flags = Py_TPFLAGS_DEFAULT, | 
|---|
| 670 | }; | 
|---|
| 671 |  | 
|---|
| 672 | static PyObject *py_set_default_backend(PyObject *self, PyObject *args) | 
|---|
| 673 | { | 
|---|
| 674 | char *backend_name; | 
|---|
| 675 | if (!PyArg_ParseTuple(args, "s", &backend_name)) | 
|---|
| 676 | return NULL; | 
|---|
| 677 |  | 
|---|
| 678 | tevent_set_default_backend(backend_name); | 
|---|
| 679 |  | 
|---|
| 680 | Py_RETURN_NONE; | 
|---|
| 681 | } | 
|---|
| 682 |  | 
|---|
| 683 | static PyObject *py_backend_list(PyObject *self) | 
|---|
| 684 | { | 
|---|
| 685 | PyObject *ret; | 
|---|
| 686 | int i; | 
|---|
| 687 | const char **backends; | 
|---|
| 688 |  | 
|---|
| 689 | ret = PyList_New(0); | 
|---|
| 690 | if (ret == NULL) { | 
|---|
| 691 | return NULL; | 
|---|
| 692 | } | 
|---|
| 693 |  | 
|---|
| 694 | backends = tevent_backend_list(NULL); | 
|---|
| 695 | if (backends == NULL) { | 
|---|
| 696 | PyErr_SetNone(PyExc_RuntimeError); | 
|---|
| 697 | Py_DECREF(ret); | 
|---|
| 698 | return NULL; | 
|---|
| 699 | } | 
|---|
| 700 | for (i = 0; backends[i]; i++) { | 
|---|
| 701 | PyList_Append(ret, PyString_FromString(backends[i])); | 
|---|
| 702 | } | 
|---|
| 703 |  | 
|---|
| 704 | talloc_free(backends); | 
|---|
| 705 |  | 
|---|
| 706 | return ret; | 
|---|
| 707 | } | 
|---|
| 708 |  | 
|---|
| 709 | static PyMethodDef tevent_methods[] = { | 
|---|
| 710 | { "register_backend", (PyCFunction)py_register_backend, METH_VARARGS, | 
|---|
| 711 | "register_backend(backend)" }, | 
|---|
| 712 | { "set_default_backend", (PyCFunction)py_set_default_backend, | 
|---|
| 713 | METH_VARARGS, "set_default_backend(backend)" }, | 
|---|
| 714 | { "backend_list", (PyCFunction)py_backend_list, | 
|---|
| 715 | METH_NOARGS, "backend_list() -> list" }, | 
|---|
| 716 | { NULL }, | 
|---|
| 717 | }; | 
|---|
| 718 |  | 
|---|
| 719 | void init_tevent(void) | 
|---|
| 720 | { | 
|---|
| 721 | PyObject *m; | 
|---|
| 722 |  | 
|---|
| 723 | if (PyType_Ready(&TeventContext_Type) < 0) | 
|---|
| 724 | return; | 
|---|
| 725 |  | 
|---|
| 726 | if (PyType_Ready(&TeventQueue_Type) < 0) | 
|---|
| 727 | return; | 
|---|
| 728 |  | 
|---|
| 729 | if (PyType_Ready(&TeventReq_Type) < 0) | 
|---|
| 730 | return; | 
|---|
| 731 |  | 
|---|
| 732 | if (PyType_Ready(&TeventSignal_Type) < 0) | 
|---|
| 733 | return; | 
|---|
| 734 |  | 
|---|
| 735 | if (PyType_Ready(&TeventTimer_Type) < 0) | 
|---|
| 736 | return; | 
|---|
| 737 |  | 
|---|
| 738 | if (PyType_Ready(&TeventFd_Type) < 0) | 
|---|
| 739 | return; | 
|---|
| 740 |  | 
|---|
| 741 | m = Py_InitModule3("_tevent", tevent_methods, "Tevent integration for twisted."); | 
|---|
| 742 | if (m == NULL) | 
|---|
| 743 | return; | 
|---|
| 744 |  | 
|---|
| 745 | Py_INCREF(&TeventContext_Type); | 
|---|
| 746 | PyModule_AddObject(m, "Context", (PyObject *)&TeventContext_Type); | 
|---|
| 747 |  | 
|---|
| 748 | Py_INCREF(&TeventQueue_Type); | 
|---|
| 749 | PyModule_AddObject(m, "Queue", (PyObject *)&TeventQueue_Type); | 
|---|
| 750 |  | 
|---|
| 751 | Py_INCREF(&TeventReq_Type); | 
|---|
| 752 | PyModule_AddObject(m, "Request", (PyObject *)&TeventReq_Type); | 
|---|
| 753 |  | 
|---|
| 754 | Py_INCREF(&TeventSignal_Type); | 
|---|
| 755 | PyModule_AddObject(m, "Signal", (PyObject *)&TeventSignal_Type); | 
|---|
| 756 |  | 
|---|
| 757 | Py_INCREF(&TeventTimer_Type); | 
|---|
| 758 | PyModule_AddObject(m, "Timer", (PyObject *)&TeventTimer_Type); | 
|---|
| 759 |  | 
|---|
| 760 | Py_INCREF(&TeventFd_Type); | 
|---|
| 761 | PyModule_AddObject(m, "Fd", (PyObject *)&TeventFd_Type); | 
|---|
| 762 | } | 
|---|