Commit | Line | Data |
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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 | ||
c9e313bc SM |
8 | #include <lttng/location-internal.hpp> |
9 | #include <common/macros.hpp> | |
434131e4 | 10 | #include <stdlib.h> |
c9e313bc | 11 | #include <common/error.hpp> |
434131e4 JG |
12 | |
13 | static | |
14 | struct lttng_trace_archive_location *lttng_trace_archive_location_create( | |
15 | enum lttng_trace_archive_location_type type) | |
16 | { | |
17 | struct lttng_trace_archive_location *location; | |
18 | ||
64803277 | 19 | location = zmalloc<lttng_trace_archive_location>(); |
434131e4 JG |
20 | if (!location) { |
21 | goto end; | |
22 | } | |
23 | ||
d3740619 | 24 | urcu_ref_init(&location->ref); |
434131e4 JG |
25 | location->type = type; |
26 | end: | |
27 | return location; | |
28 | } | |
29 | ||
d3740619 JR |
30 | static |
31 | void trace_archive_location_destroy_ref(struct urcu_ref *ref) | |
434131e4 | 32 | { |
d3740619 JR |
33 | struct lttng_trace_archive_location *location = |
34 | container_of(ref, struct lttng_trace_archive_location, ref); | |
434131e4 JG |
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 | ||
d3740619 JR |
51 | void lttng_trace_archive_location_get(struct lttng_trace_archive_location *location) |
52 | { | |
53 | urcu_ref_get(&location->ref); | |
54 | } | |
55 | ||
d3740619 JR |
56 | void lttng_trace_archive_location_put(struct lttng_trace_archive_location *location) |
57 | { | |
58 | if (!location) { | |
59 | return; | |
60 | } | |
61 | ||
62 | urcu_ref_put(&location->ref, trace_archive_location_destroy_ref); | |
63 | } | |
64 | ||
434131e4 JG |
65 | struct lttng_trace_archive_location *lttng_trace_archive_location_local_create( |
66 | const char *absolute_path) | |
67 | { | |
68 | struct lttng_trace_archive_location *location = NULL; | |
69 | ||
70 | if (!absolute_path) { | |
71 | goto end; | |
72 | } | |
73 | ||
74 | location = lttng_trace_archive_location_create( | |
75 | LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL); | |
76 | if (!location) { | |
77 | goto end; | |
78 | } | |
79 | ||
80 | location->types.local.absolute_path = strdup(absolute_path); | |
81 | if (!location->types.local.absolute_path) { | |
82 | goto error; | |
83 | } | |
84 | ||
85 | end: | |
86 | return location; | |
87 | error: | |
d3740619 | 88 | lttng_trace_archive_location_put(location); |
434131e4 JG |
89 | return NULL; |
90 | } | |
91 | ||
434131e4 JG |
92 | struct lttng_trace_archive_location *lttng_trace_archive_location_relay_create( |
93 | const char *host, | |
94 | enum lttng_trace_archive_location_relay_protocol_type protocol, | |
95 | uint16_t control_port, uint16_t data_port, | |
96 | const char *relative_path) | |
97 | { | |
98 | struct lttng_trace_archive_location *location = NULL; | |
99 | ||
100 | if (!host || !relative_path) { | |
101 | goto end; | |
102 | } | |
103 | ||
104 | location = lttng_trace_archive_location_create( | |
105 | LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY); | |
106 | if (!location) { | |
107 | goto end; | |
108 | } | |
109 | ||
110 | location->types.relay.host = strdup(host); | |
111 | if (!location->types.relay.host) { | |
112 | goto error; | |
113 | } | |
114 | location->types.relay.relative_path = strdup(relative_path); | |
115 | if (!location->types.relay.relative_path) { | |
116 | goto error; | |
117 | } | |
118 | ||
119 | location->types.relay.protocol = protocol; | |
120 | location->types.relay.ports.control = control_port; | |
121 | location->types.relay.ports.data = data_port; | |
122 | end: | |
123 | return location; | |
124 | error: | |
d3740619 | 125 | lttng_trace_archive_location_put(location); |
434131e4 JG |
126 | return NULL; |
127 | } | |
128 | ||
1e9f1cf8 JG |
129 | ssize_t lttng_trace_archive_location_create_from_buffer( |
130 | const struct lttng_buffer_view *view, | |
131 | struct lttng_trace_archive_location **location) | |
132 | { | |
133 | size_t offset = 0; | |
134 | const struct lttng_trace_archive_location_comm *location_comm; | |
135 | struct lttng_buffer_view location_comm_view; | |
136 | ||
137 | location_comm_view = lttng_buffer_view_from_view(view, 0, | |
138 | sizeof(*location_comm)); | |
3e6e0df2 | 139 | if (!lttng_buffer_view_is_valid(&location_comm_view)) { |
1e9f1cf8 JG |
140 | goto error; |
141 | } | |
3e6e0df2 | 142 | |
1e9f1cf8 | 143 | offset += location_comm_view.size; |
3e6e0df2 | 144 | location_comm = (const struct lttng_trace_archive_location_comm *) location_comm_view.data; |
1e9f1cf8 JG |
145 | |
146 | switch ((enum lttng_trace_archive_location_type) location_comm->type) { | |
147 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
148 | { | |
149 | const struct lttng_buffer_view absolute_path_view = | |
150 | lttng_buffer_view_from_view(view, offset, | |
151 | location_comm->types.local.absolute_path_len); | |
152 | ||
3e6e0df2 | 153 | if (!lttng_buffer_view_is_valid(&absolute_path_view)) { |
1e9f1cf8 JG |
154 | goto error; |
155 | } | |
3e6e0df2 | 156 | |
1e9f1cf8 JG |
157 | if (absolute_path_view.data[absolute_path_view.size - 1] != '\0') { |
158 | goto error; | |
159 | } | |
160 | offset += absolute_path_view.size; | |
161 | ||
162 | *location = lttng_trace_archive_location_local_create( | |
163 | absolute_path_view.data); | |
164 | if (!*location) { | |
165 | goto error; | |
166 | } | |
167 | break; | |
168 | } | |
169 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
170 | { | |
171 | const struct lttng_buffer_view hostname_view = | |
172 | lttng_buffer_view_from_view(view, offset, | |
173 | location_comm->types.relay.hostname_len); | |
174 | const struct lttng_buffer_view relative_path_view = | |
175 | lttng_buffer_view_from_view(view, | |
176 | offset + hostname_view.size, | |
177 | location_comm->types.relay.relative_path_len); | |
178 | ||
3e6e0df2 JG |
179 | if (!lttng_buffer_view_is_valid(&hostname_view) || |
180 | !lttng_buffer_view_is_valid( | |
181 | &relative_path_view)) { | |
1e9f1cf8 JG |
182 | goto error; |
183 | } | |
3e6e0df2 | 184 | |
1e9f1cf8 JG |
185 | if (hostname_view.data[hostname_view.size - 1] != '\0') { |
186 | goto error; | |
187 | } | |
188 | if (relative_path_view.data[relative_path_view.size - 1] != '\0') { | |
189 | goto error; | |
190 | } | |
191 | offset += hostname_view.size + relative_path_view.size; | |
192 | ||
193 | *location = lttng_trace_archive_location_relay_create( | |
194 | hostname_view.data, | |
195 | (enum lttng_trace_archive_location_relay_protocol_type) location_comm->types.relay.protocol, | |
196 | location_comm->types.relay.ports.control, | |
197 | location_comm->types.relay.ports.data, | |
198 | relative_path_view.data); | |
199 | if (!*location) { | |
200 | goto error; | |
201 | } | |
202 | break; | |
203 | } | |
204 | default: | |
205 | goto error; | |
206 | } | |
207 | ||
e4b6e50f | 208 | return offset; |
1e9f1cf8 JG |
209 | error: |
210 | return -1; | |
211 | } | |
212 | ||
1e9f1cf8 JG |
213 | ssize_t lttng_trace_archive_location_serialize( |
214 | const struct lttng_trace_archive_location *location, | |
215 | struct lttng_dynamic_buffer *buffer) | |
216 | { | |
217 | int ret; | |
218 | struct lttng_trace_archive_location_comm location_comm; | |
1e9f1cf8 JG |
219 | |
220 | location_comm.type = (int8_t) location->type; | |
221 | ||
222 | switch (location->type) { | |
223 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
224 | location_comm.types.local.absolute_path_len = | |
225 | strlen(location->types.local.absolute_path) + 1; | |
226 | break; | |
227 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
228 | location_comm.types.relay.hostname_len = | |
229 | strlen(location->types.relay.host) + 1; | |
230 | location_comm.types.relay.protocol = | |
231 | (int8_t) location->types.relay.protocol; | |
232 | location_comm.types.relay.ports.control = | |
233 | location->types.relay.ports.control; | |
234 | location_comm.types.relay.ports.data = | |
235 | location->types.relay.ports.data; | |
236 | location_comm.types.relay.relative_path_len = | |
237 | strlen(location->types.relay.relative_path) + 1; | |
238 | break; | |
239 | default: | |
240 | abort(); | |
241 | } | |
242 | ||
243 | ret = lttng_dynamic_buffer_append(buffer, &location_comm, | |
244 | sizeof(location_comm)); | |
245 | if (ret) { | |
246 | goto error; | |
247 | } | |
248 | ||
249 | switch (location->type) { | |
250 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
251 | ret = lttng_dynamic_buffer_append(buffer, | |
252 | location->types.local.absolute_path, | |
253 | location_comm.types.local.absolute_path_len); | |
254 | if (ret) { | |
255 | goto error; | |
256 | } | |
257 | break; | |
258 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
259 | ret = lttng_dynamic_buffer_append(buffer, | |
260 | location->types.relay.host, | |
261 | location_comm.types.relay.hostname_len); | |
262 | if (ret) { | |
263 | goto error; | |
264 | } | |
265 | ret = lttng_dynamic_buffer_append(buffer, | |
266 | location->types.relay.relative_path, | |
267 | location_comm.types.relay.relative_path_len); | |
268 | if (ret) { | |
269 | goto error; | |
270 | } | |
271 | break; | |
272 | default: | |
273 | abort(); | |
274 | } | |
275 | ||
f7daf93a | 276 | return 0; |
1e9f1cf8 JG |
277 | error: |
278 | return -1; | |
279 | } | |
280 | ||
434131e4 JG |
281 | enum lttng_trace_archive_location_type lttng_trace_archive_location_get_type( |
282 | const struct lttng_trace_archive_location *location) | |
283 | { | |
284 | enum lttng_trace_archive_location_type type; | |
285 | ||
286 | if (!location) { | |
287 | type = LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_UNKNOWN; | |
288 | goto end; | |
289 | } | |
290 | ||
291 | type = location->type; | |
292 | end: | |
293 | return type; | |
294 | } | |
295 | ||
296 | enum lttng_trace_archive_location_status | |
297 | lttng_trace_archive_location_local_get_absolute_path( | |
298 | const struct lttng_trace_archive_location *location, | |
299 | const char **absolute_path) | |
300 | { | |
301 | enum lttng_trace_archive_location_status status = | |
302 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
303 | ||
304 | if (!location || !absolute_path || | |
305 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL) { | |
306 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
307 | goto end; | |
308 | } | |
309 | ||
310 | *absolute_path = location->types.local.absolute_path; | |
311 | end: | |
312 | return status; | |
313 | } | |
314 | ||
315 | enum lttng_trace_archive_location_status | |
316 | lttng_trace_archive_location_relay_get_host( | |
317 | const struct lttng_trace_archive_location *location, | |
318 | const char **relay_host) | |
319 | { | |
320 | enum lttng_trace_archive_location_status status = | |
321 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
322 | ||
323 | if (!location || !relay_host || | |
324 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
325 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
326 | goto end; | |
327 | } | |
328 | ||
329 | *relay_host = location->types.relay.host; | |
330 | end: | |
331 | return status; | |
332 | } | |
333 | ||
334 | enum lttng_trace_archive_location_status | |
335 | lttng_trace_archive_location_relay_get_relative_path( | |
336 | const struct lttng_trace_archive_location *location, | |
337 | const char **relative_path) | |
338 | { | |
339 | enum lttng_trace_archive_location_status status = | |
340 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
341 | ||
342 | if (!location || !relative_path || | |
343 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
344 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
345 | goto end; | |
346 | } | |
347 | ||
348 | *relative_path = location->types.relay.relative_path; | |
349 | end: | |
350 | return status; | |
351 | } | |
352 | ||
353 | enum lttng_trace_archive_location_status | |
354 | lttng_trace_archive_location_relay_get_control_port( | |
355 | const struct lttng_trace_archive_location *location, | |
356 | uint16_t *control_port) | |
357 | { | |
358 | enum lttng_trace_archive_location_status status = | |
359 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
360 | ||
361 | if (!location || !control_port || | |
362 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
363 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
364 | goto end; | |
365 | } | |
366 | ||
367 | *control_port = location->types.relay.ports.control; | |
368 | end: | |
369 | return status; | |
370 | } | |
371 | ||
372 | enum lttng_trace_archive_location_status | |
373 | lttng_trace_archive_location_relay_get_data_port( | |
374 | const struct lttng_trace_archive_location *location, | |
375 | uint16_t *data_port) | |
376 | { | |
377 | enum lttng_trace_archive_location_status status = | |
378 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
379 | ||
380 | if (!location || !data_port || | |
381 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
382 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
383 | goto end; | |
384 | } | |
385 | ||
386 | *data_port = location->types.relay.ports.data; | |
387 | end: | |
388 | return status; | |
389 | } | |
390 | ||
391 | enum lttng_trace_archive_location_status | |
392 | lttng_trace_archive_location_relay_get_protocol_type( | |
393 | const struct lttng_trace_archive_location *location, | |
394 | enum lttng_trace_archive_location_relay_protocol_type *protocol) | |
395 | { | |
396 | enum lttng_trace_archive_location_status status = | |
397 | LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; | |
398 | ||
399 | if (!location || !protocol || | |
400 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { | |
401 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; | |
402 | goto end; | |
403 | } | |
404 | ||
405 | *protocol = location->types.relay.protocol; | |
406 | end: | |
407 | return status; | |
408 | } |