Commit | Line | Data |
---|---|---|
434131e4 | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
434131e4 | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
434131e4 | 5 | * |
434131e4 JG |
6 | */ |
7 | ||
8 | #include <lttng/location-internal.h> | |
9 | #include <common/macros.h> | |
10 | #include <stdlib.h> | |
11 | ||
12 | static | |
13 | struct lttng_trace_archive_location *lttng_trace_archive_location_create( | |
14 | enum lttng_trace_archive_location_type type) | |
15 | { | |
16 | struct lttng_trace_archive_location *location; | |
17 | ||
18 | location = zmalloc(sizeof(*location)); | |
19 | if (!location) { | |
20 | goto end; | |
21 | } | |
22 | ||
23 | location->type = type; | |
24 | end: | |
25 | return location; | |
26 | } | |
27 | ||
28 | LTTNG_HIDDEN | |
29 | void lttng_trace_archive_location_destroy( | |
30 | struct lttng_trace_archive_location *location) | |
31 | { | |
32 | if (!location) { | |
33 | return; | |
34 | } | |
35 | ||
36 | switch (location->type) { | |
37 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
38 | free(location->types.local.absolute_path); | |
39 | break; | |
40 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
41 | free(location->types.relay.host); | |
42 | free(location->types.relay.relative_path); | |
43 | break; | |
44 | default: | |
45 | abort(); | |
46 | } | |
47 | ||
48 | free(location); | |
49 | } | |
50 | ||
51 | LTTNG_HIDDEN | |
52 | struct lttng_trace_archive_location *lttng_trace_archive_location_local_create( | |
53 | const char *absolute_path) | |
54 | { | |
55 | struct lttng_trace_archive_location *location = NULL; | |
56 | ||
57 | if (!absolute_path) { | |
58 | goto end; | |
59 | } | |
60 | ||
61 | location = lttng_trace_archive_location_create( | |
62 | LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL); | |
63 | if (!location) { | |
64 | goto end; | |
65 | } | |
66 | ||
67 | location->types.local.absolute_path = strdup(absolute_path); | |
68 | if (!location->types.local.absolute_path) { | |
69 | goto error; | |
70 | } | |
71 | ||
72 | end: | |
73 | return location; | |
74 | error: | |
75 | lttng_trace_archive_location_destroy(location); | |
76 | return NULL; | |
77 | } | |
78 | ||
79 | LTTNG_HIDDEN | |
80 | struct lttng_trace_archive_location *lttng_trace_archive_location_relay_create( | |
81 | const char *host, | |
82 | enum lttng_trace_archive_location_relay_protocol_type protocol, | |
83 | uint16_t control_port, uint16_t data_port, | |
84 | const char *relative_path) | |
85 | { | |
86 | struct lttng_trace_archive_location *location = NULL; | |
87 | ||
88 | if (!host || !relative_path) { | |
89 | goto end; | |
90 | } | |
91 | ||
92 | location = lttng_trace_archive_location_create( | |
93 | LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY); | |
94 | if (!location) { | |
95 | goto end; | |
96 | } | |
97 | ||
98 | location->types.relay.host = strdup(host); | |
99 | if (!location->types.relay.host) { | |
100 | goto error; | |
101 | } | |
102 | location->types.relay.relative_path = strdup(relative_path); | |
103 | if (!location->types.relay.relative_path) { | |
104 | goto error; | |
105 | } | |
106 | ||
107 | location->types.relay.protocol = protocol; | |
108 | location->types.relay.ports.control = control_port; | |
109 | location->types.relay.ports.data = data_port; | |
110 | end: | |
111 | return location; | |
112 | error: | |
113 | lttng_trace_archive_location_destroy(location); | |
114 | return NULL; | |
115 | } | |
116 | ||
1e9f1cf8 JG |
117 | LTTNG_HIDDEN |
118 | ssize_t lttng_trace_archive_location_create_from_buffer( | |
119 | const struct lttng_buffer_view *view, | |
120 | struct lttng_trace_archive_location **location) | |
121 | { | |
122 | size_t offset = 0; | |
123 | const struct lttng_trace_archive_location_comm *location_comm; | |
124 | struct lttng_buffer_view location_comm_view; | |
125 | ||
126 | location_comm_view = lttng_buffer_view_from_view(view, 0, | |
127 | sizeof(*location_comm)); | |
128 | if (!location_comm_view.data) { | |
129 | goto error; | |
130 | } | |
131 | offset += location_comm_view.size; | |
132 | location_comm = (const struct lttng_trace_archive_location_comm *) view->data; | |
133 | ||
134 | switch ((enum lttng_trace_archive_location_type) location_comm->type) { | |
135 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
136 | { | |
137 | const struct lttng_buffer_view absolute_path_view = | |
138 | lttng_buffer_view_from_view(view, offset, | |
139 | location_comm->types.local.absolute_path_len); | |
140 | ||
141 | if (!absolute_path_view.data) { | |
142 | goto error; | |
143 | } | |
144 | if (absolute_path_view.data[absolute_path_view.size - 1] != '\0') { | |
145 | goto error; | |
146 | } | |
147 | offset += absolute_path_view.size; | |
148 | ||
149 | *location = lttng_trace_archive_location_local_create( | |
150 | absolute_path_view.data); | |
151 | if (!*location) { | |
152 | goto error; | |
153 | } | |
154 | break; | |
155 | } | |
156 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
157 | { | |
158 | const struct lttng_buffer_view hostname_view = | |
159 | lttng_buffer_view_from_view(view, offset, | |
160 | location_comm->types.relay.hostname_len); | |
161 | const struct lttng_buffer_view relative_path_view = | |
162 | lttng_buffer_view_from_view(view, | |
163 | offset + hostname_view.size, | |
164 | location_comm->types.relay.relative_path_len); | |
165 | ||
166 | if (!hostname_view.data || !relative_path_view.data) { | |
167 | goto error; | |
168 | } | |
169 | if (hostname_view.data[hostname_view.size - 1] != '\0') { | |
170 | goto error; | |
171 | } | |
172 | if (relative_path_view.data[relative_path_view.size - 1] != '\0') { | |
173 | goto error; | |
174 | } | |
175 | offset += hostname_view.size + relative_path_view.size; | |
176 | ||
177 | *location = lttng_trace_archive_location_relay_create( | |
178 | hostname_view.data, | |
179 | (enum lttng_trace_archive_location_relay_protocol_type) location_comm->types.relay.protocol, | |
180 | location_comm->types.relay.ports.control, | |
181 | location_comm->types.relay.ports.data, | |
182 | relative_path_view.data); | |
183 | if (!*location) { | |
184 | goto error; | |
185 | } | |
186 | break; | |
187 | } | |
188 | default: | |
189 | goto error; | |
190 | } | |
191 | ||
e4b6e50f | 192 | return offset; |
1e9f1cf8 JG |
193 | error: |
194 | return -1; | |
195 | } | |
196 | ||
197 | LTTNG_HIDDEN | |
198 | ssize_t lttng_trace_archive_location_serialize( | |
199 | const struct lttng_trace_archive_location *location, | |
200 | struct lttng_dynamic_buffer *buffer) | |
201 | { | |
202 | int ret; | |
203 | struct lttng_trace_archive_location_comm location_comm; | |
1e9f1cf8 JG |
204 | |
205 | location_comm.type = (int8_t) location->type; | |
206 | ||
207 | switch (location->type) { | |
208 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
209 | location_comm.types.local.absolute_path_len = | |
210 | strlen(location->types.local.absolute_path) + 1; | |
211 | break; | |
212 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
213 | location_comm.types.relay.hostname_len = | |
214 | strlen(location->types.relay.host) + 1; | |
215 | location_comm.types.relay.protocol = | |
216 | (int8_t) location->types.relay.protocol; | |
217 | location_comm.types.relay.ports.control = | |
218 | location->types.relay.ports.control; | |
219 | location_comm.types.relay.ports.data = | |
220 | location->types.relay.ports.data; | |
221 | location_comm.types.relay.relative_path_len = | |
222 | strlen(location->types.relay.relative_path) + 1; | |
223 | break; | |
224 | default: | |
225 | abort(); | |
226 | } | |
227 | ||
228 | ret = lttng_dynamic_buffer_append(buffer, &location_comm, | |
229 | sizeof(location_comm)); | |
230 | if (ret) { | |
231 | goto error; | |
232 | } | |
233 | ||
234 | switch (location->type) { | |
235 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
236 | ret = lttng_dynamic_buffer_append(buffer, | |
237 | location->types.local.absolute_path, | |
238 | location_comm.types.local.absolute_path_len); | |
239 | if (ret) { | |
240 | goto error; | |
241 | } | |
242 | break; | |
243 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
244 | ret = lttng_dynamic_buffer_append(buffer, | |
245 | location->types.relay.host, | |
246 | location_comm.types.relay.hostname_len); | |
247 | if (ret) { | |
248 | goto error; | |
249 | } | |
250 | ret = lttng_dynamic_buffer_append(buffer, | |
251 | location->types.relay.relative_path, | |
252 | location_comm.types.relay.relative_path_len); | |
253 | if (ret) { | |
254 | goto error; | |
255 | } | |
256 | break; | |
257 | default: | |
258 | abort(); | |
259 | } | |
260 | ||
f7daf93a | 261 | return 0; |
1e9f1cf8 JG |
262 | error: |
263 | return -1; | |
264 | } | |
265 | ||
434131e4 JG |
266 | enum lttng_trace_archive_location_type lttng_trace_archive_location_get_type( |
267 | const struct lttng_trace_archive_location *location) | |
268 | { | |
269 | enum lttng_trace_archive_location_type type; | |
270 | ||
271 | if (!location) { | |
272 | type = LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_UNKNOWN; | |
273 | goto end; | |
274 | } | |
275 | ||
276 | type = location->type; | |
277 | end: | |
278 | return type; | |
279 | } | |
280 | ||
281 | enum lttng_trace_archive_location_status | |
282 | lttng_trace_archive_location_local_get_absolute_path( | |
283 | const struct lttng_trace_archive_location *location, | |
284 | const char **absolute_path) | |
285 | { | |
286 | enum lttng_trace_archive_location_status status = | |
287 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
288 | ||
289 | if (!location || !absolute_path || | |
290 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL) { | |
291 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
292 | goto end; | |
293 | } | |
294 | ||
295 | *absolute_path = location->types.local.absolute_path; | |
296 | end: | |
297 | return status; | |
298 | } | |
299 | ||
300 | enum lttng_trace_archive_location_status | |
301 | lttng_trace_archive_location_relay_get_host( | |
302 | const struct lttng_trace_archive_location *location, | |
303 | const char **relay_host) | |
304 | { | |
305 | enum lttng_trace_archive_location_status status = | |
306 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
307 | ||
308 | if (!location || !relay_host || | |
309 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
310 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
311 | goto end; | |
312 | } | |
313 | ||
314 | *relay_host = location->types.relay.host; | |
315 | end: | |
316 | return status; | |
317 | } | |
318 | ||
319 | enum lttng_trace_archive_location_status | |
320 | lttng_trace_archive_location_relay_get_relative_path( | |
321 | const struct lttng_trace_archive_location *location, | |
322 | const char **relative_path) | |
323 | { | |
324 | enum lttng_trace_archive_location_status status = | |
325 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
326 | ||
327 | if (!location || !relative_path || | |
328 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
329 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
330 | goto end; | |
331 | } | |
332 | ||
333 | *relative_path = location->types.relay.relative_path; | |
334 | end: | |
335 | return status; | |
336 | } | |
337 | ||
338 | enum lttng_trace_archive_location_status | |
339 | lttng_trace_archive_location_relay_get_control_port( | |
340 | const struct lttng_trace_archive_location *location, | |
341 | uint16_t *control_port) | |
342 | { | |
343 | enum lttng_trace_archive_location_status status = | |
344 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
345 | ||
346 | if (!location || !control_port || | |
347 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
348 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
349 | goto end; | |
350 | } | |
351 | ||
352 | *control_port = location->types.relay.ports.control; | |
353 | end: | |
354 | return status; | |
355 | } | |
356 | ||
357 | enum lttng_trace_archive_location_status | |
358 | lttng_trace_archive_location_relay_get_data_port( | |
359 | const struct lttng_trace_archive_location *location, | |
360 | uint16_t *data_port) | |
361 | { | |
362 | enum lttng_trace_archive_location_status status = | |
363 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
364 | ||
365 | if (!location || !data_port || | |
366 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
367 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
368 | goto end; | |
369 | } | |
370 | ||
371 | *data_port = location->types.relay.ports.data; | |
372 | end: | |
373 | return status; | |
374 | } | |
375 | ||
376 | enum lttng_trace_archive_location_status | |
377 | lttng_trace_archive_location_relay_get_protocol_type( | |
378 | const struct lttng_trace_archive_location *location, | |
379 | enum lttng_trace_archive_location_relay_protocol_type *protocol) | |
380 | { | |
381 | enum lttng_trace_archive_location_status status = | |
382 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
383 | ||
384 | if (!location || !protocol || | |
385 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
386 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
387 | goto end; | |
388 | } | |
389 | ||
390 | *protocol = location->types.relay.protocol; | |
391 | end: | |
392 | return status; | |
393 | } |