]>
Commit | Line | Data |
---|---|---|
ef43a632 CH |
1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* | |
3 | * MGMTD Frontend Client Library api interfaces | |
4 | * Copyright (C) 2021 Vmware, Inc. | |
5 | * Pushpasis Sarkar <spushpasis@vmware.com> | |
6 | */ | |
7 | ||
8 | #ifndef _FRR_MGMTD_FE_CLIENT_H_ | |
9 | #define _FRR_MGMTD_FE_CLIENT_H_ | |
10 | ||
11 | #ifdef __cplusplus | |
12 | extern "C" { | |
13 | #endif | |
14 | ||
ef43a632 | 15 | #include "mgmt_pb.h" |
24a58196 | 16 | #include "frrevent.h" |
f82370b4 | 17 | #include "mgmtd/mgmt_defines.h" |
ef43a632 CH |
18 | |
19 | /*************************************************************** | |
20 | * Macros | |
21 | ***************************************************************/ | |
22 | ||
23 | /* | |
24 | * The server port MGMTD daemon is listening for Backend Client | |
25 | * connections. | |
26 | */ | |
27 | ||
28 | #define MGMTD_FE_CLIENT_ERROR_STRING_MAX_LEN 32 | |
29 | ||
30 | #define MGMTD_FE_DEFAULT_CONN_RETRY_INTVL_SEC 5 | |
31 | ||
32 | #define MGMTD_FE_MSG_PROC_DELAY_USEC 10 | |
33 | #define MGMTD_FE_MAX_NUM_MSG_PROC 500 | |
34 | ||
35 | #define MGMTD_FE_MSG_WRITE_DELAY_MSEC 1 | |
36 | #define MGMTD_FE_MAX_NUM_MSG_WRITE 100 | |
37 | ||
38 | #define GMGD_FE_MAX_NUM_REQ_ITEMS 64 | |
39 | ||
40 | #define MGMTD_FE_MSG_MAX_LEN 9000 | |
41 | ||
42 | #define MGMTD_SOCKET_FE_SEND_BUF_SIZE 65535 | |
43 | #define MGMTD_SOCKET_FE_RECV_BUF_SIZE MGMTD_SOCKET_FE_SEND_BUF_SIZE | |
44 | ||
45 | /*************************************************************** | |
46 | * Data-structures | |
47 | ***************************************************************/ | |
48 | ||
49 | #define MGMTD_SESSION_ID_NONE 0 | |
50 | ||
51 | #define MGMTD_CLIENT_ID_NONE 0 | |
52 | ||
53 | #define MGMTD_DS_NONE MGMTD__DATASTORE_ID__DS_NONE | |
54 | #define MGMTD_DS_RUNNING MGMTD__DATASTORE_ID__RUNNING_DS | |
55 | #define MGMTD_DS_CANDIDATE MGMTD__DATASTORE_ID__CANDIDATE_DS | |
56 | #define MGMTD_DS_OPERATIONAL MGMTD__DATASTORE_ID__OPERATIONAL_DS | |
57 | #define MGMTD_DS_MAX_ID MGMTD_DS_OPERATIONAL + 1 | |
58 | ||
ef43a632 CH |
59 | /* |
60 | * All the client specific information this library needs to | |
61 | * initialize itself, setup connection with MGMTD FrontEnd interface | |
62 | * and carry on all required procedures appropriately. | |
63 | * | |
64 | * FrontEnd clients need to initialise a instance of this structure | |
65 | * with appropriate data and pass it while calling the API | |
66 | * to initialize the library (See mgmt_fe_client_lib_init for | |
67 | * more details). | |
68 | */ | |
69 | struct mgmt_fe_client_params { | |
70 | char name[MGMTD_CLIENT_NAME_MAX_LEN]; | |
71 | uintptr_t user_data; | |
72 | unsigned long conn_retry_intvl_sec; | |
73 | ||
74 | void (*client_connect_notify)(uintptr_t lib_hndl, | |
75 | uintptr_t user_data, | |
76 | bool connected); | |
77 | ||
78 | void (*client_session_notify)(uintptr_t lib_hndl, | |
79 | uintptr_t user_data, | |
80 | uint64_t client_id, | |
81 | bool create, bool success, | |
82 | uintptr_t session_id, | |
83 | uintptr_t user_session_ctx); | |
84 | ||
85 | void (*lock_ds_notify)(uintptr_t lib_hndl, uintptr_t user_data, | |
86 | uint64_t client_id, uintptr_t session_id, | |
87 | uintptr_t user_session_ctx, uint64_t req_id, | |
88 | bool lock_ds, bool success, | |
89 | Mgmtd__DatastoreId ds_id, char *errmsg_if_any); | |
90 | ||
91 | void (*set_config_notify)(uintptr_t lib_hndl, uintptr_t user_data, | |
92 | uint64_t client_id, uintptr_t session_id, | |
93 | uintptr_t user_session_ctx, uint64_t req_id, | |
94 | bool success, Mgmtd__DatastoreId ds_id, | |
95 | char *errmsg_if_any); | |
96 | ||
97 | void (*commit_config_notify)( | |
98 | uintptr_t lib_hndl, uintptr_t user_data, uint64_t client_id, | |
99 | uintptr_t session_id, uintptr_t user_session_ctx, | |
100 | uint64_t req_id, bool success, Mgmtd__DatastoreId src_ds_id, | |
101 | Mgmtd__DatastoreId dst_ds_id, bool validate_only, | |
102 | char *errmsg_if_any); | |
103 | ||
104 | enum mgmt_result (*get_data_notify)( | |
105 | uintptr_t lib_hndl, uintptr_t user_data, uint64_t client_id, | |
106 | uintptr_t session_id, uintptr_t user_session_ctx, | |
107 | uint64_t req_id, bool success, Mgmtd__DatastoreId ds_id, | |
108 | Mgmtd__YangData **yang_data, size_t num_data, int next_key, | |
109 | char *errmsg_if_any); | |
110 | ||
111 | enum mgmt_result (*data_notify)( | |
112 | uint64_t client_id, uint64_t session_id, uintptr_t user_data, | |
113 | uint64_t req_id, Mgmtd__DatastoreId ds_id, | |
114 | Mgmtd__YangData **yang_data, size_t num_data); | |
115 | }; | |
116 | ||
117 | /*************************************************************** | |
118 | * API prototypes | |
119 | ***************************************************************/ | |
120 | ||
121 | /* | |
122 | * Initialize library and try connecting with MGMTD FrontEnd interface. | |
123 | * | |
124 | * params | |
125 | * Frontend client parameters. | |
126 | * | |
127 | * master_thread | |
128 | * Thread master. | |
129 | * | |
130 | * Returns: | |
131 | * Frontend client lib handler (nothing but address of mgmt_fe_client_ctx) | |
132 | */ | |
2453d15d | 133 | extern uintptr_t mgmt_fe_client_lib_init(struct mgmt_fe_client_params *params, |
cd9d0537 | 134 | struct event_loop *master_thread); |
ef43a632 CH |
135 | |
136 | /* | |
137 | * Create a new Session for a Frontend Client connection. | |
138 | * | |
139 | * lib_hndl | |
140 | * Client library handler. | |
141 | * | |
142 | * client_id | |
143 | * Unique identifier of client. | |
144 | * | |
145 | * user_ctx | |
146 | * Client context. | |
147 | * | |
148 | * Returns: | |
149 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
150 | */ | |
151 | extern enum mgmt_result mgmt_fe_create_client_session(uintptr_t lib_hndl, | |
152 | uint64_t client_id, | |
153 | uintptr_t user_ctx); | |
154 | ||
155 | /* | |
156 | * Delete an existing Session for a Frontend Client connection. | |
157 | * | |
158 | * lib_hndl | |
159 | * Client library handler. | |
160 | * | |
161 | * client_id | |
162 | * Unique identifier of client. | |
163 | * | |
164 | * Returns: | |
165 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
166 | */ | |
167 | extern enum mgmt_result mgmt_fe_destroy_client_session(uintptr_t lib_hndl, | |
168 | uint64_t client_id); | |
169 | ||
170 | /* | |
171 | * Send UN/LOCK_DS_REQ to MGMTD for a specific Datastore DS. | |
172 | * | |
173 | * lib_hndl | |
174 | * Client library handler. | |
175 | * | |
176 | * session_id | |
177 | * Client session ID. | |
178 | * | |
179 | * req_id | |
180 | * Client request ID. | |
181 | * | |
182 | * ds_id | |
183 | * Datastore ID (Running/Candidate/Oper/Startup) | |
184 | * | |
185 | * lock_ds | |
186 | * TRUE for lock request, FALSE for unlock request. | |
187 | * | |
188 | * Returns: | |
189 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
190 | */ | |
191 | extern enum mgmt_result | |
192 | mgmt_fe_lock_ds(uintptr_t lib_hndl, uintptr_t session_id, uint64_t req_id, | |
193 | Mgmtd__DatastoreId ds_id, bool lock_ds); | |
194 | ||
195 | /* | |
196 | * Send SET_CONFIG_REQ to MGMTD for one or more config data(s). | |
197 | * | |
198 | * lib_hndl | |
199 | * Client library handler. | |
200 | * | |
201 | * session_id | |
202 | * Client session ID. | |
203 | * | |
204 | * req_id | |
205 | * Client request ID. | |
206 | * | |
207 | * ds_id | |
208 | * Datastore ID (Running/Candidate/Oper/Startup) | |
209 | * | |
210 | * conf_req | |
211 | * Details regarding the SET_CONFIG_REQ. | |
212 | * | |
213 | * num_req | |
214 | * Number of config requests. | |
215 | * | |
216 | * implcit commit | |
217 | * TRUE for implicit commit, FALSE otherwise. | |
218 | * | |
219 | * dst_ds_id | |
220 | * Destination Datastore ID where data needs to be set. | |
221 | * | |
222 | * Returns: | |
223 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
224 | */ | |
225 | extern enum mgmt_result | |
226 | mgmt_fe_set_config_data(uintptr_t lib_hndl, uintptr_t session_id, | |
227 | uint64_t req_id, Mgmtd__DatastoreId ds_id, | |
228 | Mgmtd__YangCfgDataReq **config_req, int num_req, | |
229 | bool implicit_commit, Mgmtd__DatastoreId dst_ds_id); | |
230 | ||
231 | /* | |
232 | * Send SET_COMMMIT_REQ to MGMTD for one or more config data(s). | |
233 | * | |
234 | * lib_hndl | |
235 | * Client library handler. | |
236 | * | |
237 | * session_id | |
238 | * Client session ID. | |
239 | * | |
240 | * req_id | |
241 | * Client request ID. | |
242 | * | |
243 | * src_ds_id | |
244 | * Source datastore ID from where data needs to be committed from. | |
245 | * | |
246 | * dst_ds_id | |
247 | * Destination datastore ID where data needs to be committed to. | |
248 | * | |
249 | * validate_only | |
250 | * TRUE if data needs to be validated only, FALSE otherwise. | |
251 | * | |
252 | * abort | |
253 | * TRUE if need to restore Src DS back to Dest DS, FALSE otherwise. | |
254 | * | |
255 | * Returns: | |
256 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
257 | */ | |
258 | extern enum mgmt_result | |
259 | mgmt_fe_commit_config_data(uintptr_t lib_hndl, uintptr_t session_id, | |
260 | uint64_t req_id, Mgmtd__DatastoreId src_ds_id, | |
261 | Mgmtd__DatastoreId dst_ds_id, bool validate_only, | |
262 | bool abort); | |
263 | ||
264 | /* | |
265 | * Send GET_CONFIG_REQ to MGMTD for one or more config data item(s). | |
266 | * | |
267 | * lib_hndl | |
268 | * Client library handler. | |
269 | * | |
270 | * session_id | |
271 | * Client session ID. | |
272 | * | |
273 | * req_id | |
274 | * Client request ID. | |
275 | * | |
276 | * ds_id | |
277 | * Datastore ID (Running/Candidate) | |
278 | * | |
279 | * data_req | |
280 | * Get config requested. | |
281 | * | |
282 | * num_req | |
283 | * Number of get config requests. | |
284 | * | |
285 | * Returns: | |
286 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
287 | */ | |
288 | extern enum mgmt_result | |
289 | mgmt_fe_get_config_data(uintptr_t lib_hndl, uintptr_t session_id, | |
290 | uint64_t req_id, Mgmtd__DatastoreId ds_id, | |
291 | Mgmtd__YangGetDataReq **data_req, int num_reqs); | |
292 | ||
293 | /* | |
294 | * Send GET_DATA_REQ to MGMTD for one or more data item(s). | |
295 | * | |
296 | * Similar to get config request but supports getting data | |
297 | * from operational ds aka backend clients directly. | |
298 | */ | |
299 | extern enum mgmt_result | |
300 | mgmt_fe_get_data(uintptr_t lib_hndl, uintptr_t session_id, uint64_t req_id, | |
301 | Mgmtd__DatastoreId ds_id, Mgmtd__YangGetDataReq **data_req, | |
302 | int num_reqs); | |
303 | ||
304 | /* | |
305 | * Send NOTIFY_REGISTER_REQ to MGMTD daemon. | |
306 | * | |
307 | * lib_hndl | |
308 | * Client library handler. | |
309 | * | |
310 | * session_id | |
311 | * Client session ID. | |
312 | * | |
313 | * req_id | |
314 | * Client request ID. | |
315 | * | |
316 | * ds_id | |
317 | * Datastore ID. | |
318 | * | |
319 | * register_req | |
320 | * TRUE if registering, FALSE otherwise. | |
321 | * | |
322 | * data_req | |
323 | * Details of the YANG notification data. | |
324 | * | |
325 | * num_reqs | |
326 | * Number of data requests. | |
327 | * | |
328 | * Returns: | |
329 | * MGMTD_SUCCESS on success, MGMTD_* otherwise. | |
330 | */ | |
331 | extern enum mgmt_result | |
332 | mgmt_fe_register_yang_notify(uintptr_t lib_hndl, uintptr_t session_id, | |
333 | uint64_t req_id, Mgmtd__DatastoreId ds_id, | |
334 | bool register_req, | |
335 | Mgmtd__YangDataXPath **data_req, int num_reqs); | |
336 | ||
337 | /* | |
338 | * Destroy library and cleanup everything. | |
339 | */ | |
340 | extern void mgmt_fe_client_lib_destroy(uintptr_t lib_hndl); | |
341 | ||
342 | #ifdef __cplusplus | |
343 | } | |
344 | #endif | |
345 | ||
346 | #endif /* _FRR_MGMTD_FE_CLIENT_H_ */ |