2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <libubox/blobmsg_json.h>
16 #include <libubox/avl-cmp.h>
25 struct avl_tree services
;
26 static struct blob_buf b
;
29 service_instance_add(struct service
*s
, struct blob_attr
*attr
)
31 struct service_instance
*in
;
33 if (blobmsg_type(attr
) != BLOBMSG_TYPE_TABLE
)
36 in
= calloc(1, sizeof(*in
));
40 instance_init(in
, s
, attr
);
41 vlist_add(&s
->instances
, &in
->node
, (void *) in
->name
);
45 service_instance_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
46 struct vlist_node
*node_old
)
48 struct service_instance
*in_o
= NULL
, *in_n
= NULL
;
51 in_o
= container_of(node_old
, struct service_instance
, node
);
54 in_n
= container_of(node_new
, struct service_instance
, node
);
57 DEBUG(2, "Update instance %s::%s\n", in_o
->srv
->name
, in_o
->name
);
58 instance_update(in_o
, in_n
);
61 DEBUG(2, "Free instance %s::%s\n", in_o
->srv
->name
, in_o
->name
);
65 DEBUG(2, "Create instance %s::%s\n", in_n
->srv
->name
, in_n
->name
);
70 static struct service
*
71 service_alloc(const char *name
)
76 s
= calloc_a(sizeof(*s
), &new_name
, strlen(name
) + 1);
77 strcpy(new_name
, name
);
79 vlist_init(&s
->instances
, avl_strcmp
, service_instance_update
);
80 s
->instances
.keep_old
= true;
83 INIT_LIST_HEAD(&s
->validators
);
91 SERVICE_SET_INSTANCES
,
97 static const struct blobmsg_policy service_set_attrs
[__SERVICE_SET_MAX
] = {
98 [SERVICE_SET_NAME
] = { "name", BLOBMSG_TYPE_STRING
},
99 [SERVICE_SET_SCRIPT
] = { "script", BLOBMSG_TYPE_STRING
},
100 [SERVICE_SET_INSTANCES
] = { "instances", BLOBMSG_TYPE_TABLE
},
101 [SERVICE_SET_TRIGGER
] = { "triggers", BLOBMSG_TYPE_ARRAY
},
102 [SERVICE_SET_VALIDATE
] = { "validate", BLOBMSG_TYPE_ARRAY
},
106 service_update(struct service
*s
, struct blob_attr
**tb
, bool add
)
108 struct blob_attr
*cur
;
117 service_validate_del(s
);
119 if (tb
[SERVICE_SET_TRIGGER
] && blobmsg_data_len(tb
[SERVICE_SET_TRIGGER
])) {
120 s
->trigger
= blob_memdup(tb
[SERVICE_SET_TRIGGER
]);
123 trigger_add(s
->trigger
, s
);
126 if (tb
[SERVICE_SET_VALIDATE
] && blobmsg_data_len(tb
[SERVICE_SET_VALIDATE
])) {
127 blobmsg_for_each_attr(cur
, tb
[SERVICE_SET_VALIDATE
], rem
)
128 service_validate_add(s
, cur
);
131 if (tb
[SERVICE_SET_INSTANCES
]) {
133 vlist_update(&s
->instances
);
134 blobmsg_for_each_attr(cur
, tb
[SERVICE_SET_INSTANCES
], rem
) {
135 service_instance_add(s
, cur
);
138 vlist_flush(&s
->instances
);
141 rc(s
->name
, "running");
147 service_delete(struct service
*s
)
149 vlist_flush_all(&s
->instances
);
150 avl_delete(&services
, &s
->avl
);
155 service_validate_del(s
);
163 static const struct blobmsg_policy service_attrs
[__SERVICE_ATTR_MAX
] = {
164 [SERVICE_ATTR_NAME
] = { "name", BLOBMSG_TYPE_STRING
},
168 SERVICE_DEL_ATTR_NAME
,
169 SERVICE_DEL_ATTR_INSTANCE
,
170 __SERVICE_DEL_ATTR_MAX
,
173 static const struct blobmsg_policy service_del_attrs
[__SERVICE_DEL_ATTR_MAX
] = {
174 [SERVICE_DEL_ATTR_NAME
] = { "name", BLOBMSG_TYPE_STRING
},
175 [SERVICE_DEL_ATTR_INSTANCE
] = { "instance", BLOBMSG_TYPE_STRING
},
179 SERVICE_LIST_ATTR_VERBOSE
,
180 __SERVICE_LIST_ATTR_MAX
,
183 static const struct blobmsg_policy service_list_attrs
[__SERVICE_LIST_ATTR_MAX
] = {
184 [SERVICE_LIST_ATTR_VERBOSE
] = { "verbose", BLOBMSG_TYPE_BOOL
},
193 static const struct blobmsg_policy event_policy
[__EVENT_MAX
] = {
194 [EVENT_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
195 [EVENT_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_TABLE
},
205 static const struct blobmsg_policy validate_policy
[__VALIDATE_MAX
] = {
206 [VALIDATE_PACKAGE
] = { .name
= "package", .type
= BLOBMSG_TYPE_STRING
},
207 [VALIDATE_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
208 [VALIDATE_SERVICE
] = { .name
= "service", .type
= BLOBMSG_TYPE_STRING
},
212 service_handle_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
213 struct ubus_request_data
*req
, const char *method
,
214 struct blob_attr
*msg
)
216 struct blob_attr
*tb
[__SERVICE_SET_MAX
], *cur
;
217 struct service
*s
= NULL
;
219 bool add
= !strcmp(method
, "add");
222 blobmsg_parse(service_set_attrs
, __SERVICE_SET_MAX
, tb
, blob_data(msg
), blob_len(msg
));
223 cur
= tb
[SERVICE_ATTR_NAME
];
225 return UBUS_STATUS_INVALID_ARGUMENT
;
227 name
= blobmsg_data(cur
);
229 s
= avl_find_element(&services
, name
, s
, avl
);
231 DEBUG(2, "Update service %s\n", name
);
232 return service_update(s
, tb
, add
);
235 DEBUG(2, "Create service %s\n", name
);
236 s
= service_alloc(name
);
238 return UBUS_STATUS_UNKNOWN_ERROR
;
240 ret
= service_update(s
, tb
, add
);
244 avl_insert(&services
, &s
->avl
);
250 service_dump(struct service
*s
, int verbose
)
252 struct service_instance
*in
;
255 c
= blobmsg_open_table(&b
, s
->name
);
257 if (!avl_is_empty(&s
->instances
.avl
)) {
258 i
= blobmsg_open_table(&b
, "instances");
259 vlist_for_each_element(&s
->instances
, in
, node
)
260 instance_dump(&b
, in
, verbose
);
261 blobmsg_close_table(&b
, i
);
263 if (verbose
&& s
->trigger
)
264 blobmsg_add_blob(&b
, s
->trigger
);
265 if (verbose
&& !list_empty(&s
->validators
))
266 service_validate_dump(&b
, s
);
267 blobmsg_close_table(&b
, c
);
271 service_handle_list(struct ubus_context
*ctx
, struct ubus_object
*obj
,
272 struct ubus_request_data
*req
, const char *method
,
273 struct blob_attr
*msg
)
275 struct blob_attr
*tb
[__SERVICE_LIST_ATTR_MAX
];
279 blobmsg_parse(service_list_attrs
, __SERVICE_LIST_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
281 if (tb
[SERVICE_LIST_ATTR_VERBOSE
] && blobmsg_get_bool(tb
[SERVICE_LIST_ATTR_VERBOSE
]))
284 blob_buf_init(&b
, 0);
285 avl_for_each_element(&services
, s
, avl
)
286 service_dump(s
, verbose
);
288 ubus_send_reply(ctx
, req
, b
.head
);
294 service_handle_delete(struct ubus_context
*ctx
, struct ubus_object
*obj
,
295 struct ubus_request_data
*req
, const char *method
,
296 struct blob_attr
*msg
)
298 struct blob_attr
*tb
[__SERVICE_DEL_ATTR_MAX
], *cur
;
300 struct service_instance
*in
;
302 blobmsg_parse(service_del_attrs
, __SERVICE_DEL_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
304 cur
= tb
[SERVICE_DEL_ATTR_NAME
];
306 return UBUS_STATUS_NOT_FOUND
;
308 s
= avl_find_element(&services
, blobmsg_data(cur
), s
, avl
);
310 return UBUS_STATUS_NOT_FOUND
;
312 cur
= tb
[SERVICE_DEL_ATTR_INSTANCE
];
318 in
= vlist_find(&s
->instances
, blobmsg_data(cur
), in
, node
);
320 ERROR("instance %s not found\n", (char *) blobmsg_data(cur
));
321 return UBUS_STATUS_NOT_FOUND
;
324 vlist_delete(&s
->instances
, &in
->node
);
330 service_handle_update(struct ubus_context
*ctx
, struct ubus_object
*obj
,
331 struct ubus_request_data
*req
, const char *method
,
332 struct blob_attr
*msg
)
334 struct blob_attr
*tb
[__SERVICE_ATTR_MAX
], *cur
;
337 blobmsg_parse(service_attrs
, __SERVICE_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
339 cur
= tb
[SERVICE_ATTR_NAME
];
341 return UBUS_STATUS_INVALID_ARGUMENT
;
343 s
= avl_find_element(&services
, blobmsg_data(cur
), s
, avl
);
345 return UBUS_STATUS_NOT_FOUND
;
347 if (!strcmp(method
, "update_start"))
348 vlist_update(&s
->instances
);
350 vlist_flush(&s
->instances
);
356 service_handle_event(struct ubus_context
*ctx
, struct ubus_object
*obj
,
357 struct ubus_request_data
*req
, const char *method
,
358 struct blob_attr
*msg
)
360 struct blob_attr
*tb
[__EVENT_MAX
];
363 return UBUS_STATUS_INVALID_ARGUMENT
;
365 blobmsg_parse(event_policy
, __EVENT_MAX
, tb
, blob_data(msg
), blob_len(msg
));
366 if (!tb
[EVENT_TYPE
] || !tb
[EVENT_DATA
])
367 return UBUS_STATUS_INVALID_ARGUMENT
;
369 trigger_event(blobmsg_get_string(tb
[EVENT_TYPE
]), tb
[EVENT_DATA
]);
375 service_handle_validate(struct ubus_context
*ctx
, struct ubus_object
*obj
,
376 struct ubus_request_data
*req
, const char *method
,
377 struct blob_attr
*msg
)
379 struct blob_attr
*tb
[__VALIDATE_MAX
];
380 char *p
= NULL
, *t
= NULL
;
383 return UBUS_STATUS_INVALID_ARGUMENT
;
385 blobmsg_parse(validate_policy
, __VALIDATE_MAX
, tb
, blob_data(msg
), blob_len(msg
));
386 if (tb
[VALIDATE_SERVICE
]) {
389 if (tb
[VALIDATE_PACKAGE
])
390 p
= blobmsg_get_string(tb
[VALIDATE_PACKAGE
]);
392 if (tb
[VALIDATE_TYPE
])
393 t
= blobmsg_get_string(tb
[VALIDATE_TYPE
]);
395 blob_buf_init(&b
, 0);
396 service_validate_dump_all(&b
, p
, t
);
397 ubus_send_reply(ctx
, req
, b
.head
);
402 static struct ubus_method main_object_methods
[] = {
403 UBUS_METHOD("set", service_handle_set
, service_set_attrs
),
404 UBUS_METHOD("add", service_handle_set
, service_set_attrs
),
405 UBUS_METHOD("list", service_handle_list
, service_attrs
),
406 UBUS_METHOD("delete", service_handle_delete
, service_del_attrs
),
407 UBUS_METHOD("update_start", service_handle_update
, service_attrs
),
408 UBUS_METHOD("update_complete", service_handle_update
, service_attrs
),
409 UBUS_METHOD("event", service_handle_event
, event_policy
),
410 UBUS_METHOD("validate", service_handle_validate
, validate_policy
),
413 static struct ubus_object_type main_object_type
=
414 UBUS_OBJECT_TYPE("service", main_object_methods
);
416 static struct ubus_object main_object
= {
418 .type
= &main_object_type
,
419 .methods
= main_object_methods
,
420 .n_methods
= ARRAY_SIZE(main_object_methods
),
424 service_start_early(char *name
, char *cmdline
)
426 void *instances
, *instance
, *command
, *respawn
;
429 blob_buf_init(&b
, 0);
430 blobmsg_add_string(&b
, "name", name
);
431 instances
= blobmsg_open_table(&b
, "instances");
432 instance
= blobmsg_open_table(&b
, "instance1");
433 command
= blobmsg_open_array(&b
, "command");
434 t
= strtok(cmdline
, " ");
436 blobmsg_add_string(&b
, NULL
, t
);
437 t
= strtok(NULL
, " ");
439 blobmsg_close_array(&b
, command
);
440 respawn
= blobmsg_open_array(&b
, "respawn");
441 blobmsg_add_string(&b
, NULL
, "3600");
442 blobmsg_add_string(&b
, NULL
, "1");
443 blobmsg_add_string(&b
, NULL
, "0");
444 blobmsg_close_array(&b
, respawn
);
445 blobmsg_close_table(&b
, instance
);
446 blobmsg_close_table(&b
, instances
);
448 return service_handle_set(NULL
, NULL
, NULL
, "add", b
.head
);
451 void ubus_init_service(struct ubus_context
*ctx
)
453 ubus_add_object(ctx
, &main_object
);
459 avl_init(&services
, avl_strcmp
, false, NULL
);
460 service_validate_init();