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 | ||
28ab034a | 8 | #include <common/error.hpp> |
c9e313bc | 9 | #include <common/macros.hpp> |
28ab034a JG |
10 | |
11 | #include <lttng/location-internal.hpp> | |
12 | ||
434131e4 JG |
13 | #include <stdlib.h> |
14 | ||
28ab034a JG |
15 | static struct lttng_trace_archive_location * |
16 | lttng_trace_archive_location_create(enum lttng_trace_archive_location_type type) | |
434131e4 JG |
17 | { |
18 | struct lttng_trace_archive_location *location; | |
19 | ||
64803277 | 20 | location = zmalloc<lttng_trace_archive_location>(); |
434131e4 JG |
21 | if (!location) { |
22 | goto end; | |
23 | } | |
24 | ||
d3740619 | 25 | urcu_ref_init(&location->ref); |
434131e4 JG |
26 | location->type = type; |
27 | end: | |
28 | return location; | |
29 | } | |
30 | ||
28ab034a | 31 | static void trace_archive_location_destroy_ref(struct urcu_ref *ref) |
434131e4 | 32 | { |
d3740619 | 33 | struct lttng_trace_archive_location *location = |
28ab034a | 34 | lttng::utils::container_of(ref, <tng_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 | ||
28ab034a JG |
65 | struct lttng_trace_archive_location * |
66 | lttng_trace_archive_location_local_create(const char *absolute_path) | |
434131e4 | 67 | { |
cd9adb8b | 68 | struct lttng_trace_archive_location *location = nullptr; |
434131e4 JG |
69 | |
70 | if (!absolute_path) { | |
71 | goto end; | |
72 | } | |
73 | ||
28ab034a | 74 | location = lttng_trace_archive_location_create(LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL); |
434131e4 JG |
75 | if (!location) { |
76 | goto end; | |
77 | } | |
78 | ||
79 | location->types.local.absolute_path = strdup(absolute_path); | |
80 | if (!location->types.local.absolute_path) { | |
81 | goto error; | |
82 | } | |
83 | ||
84 | end: | |
85 | return location; | |
86 | error: | |
d3740619 | 87 | lttng_trace_archive_location_put(location); |
cd9adb8b | 88 | return nullptr; |
434131e4 JG |
89 | } |
90 | ||
434131e4 | 91 | struct lttng_trace_archive_location *lttng_trace_archive_location_relay_create( |
28ab034a JG |
92 | const char *host, |
93 | enum lttng_trace_archive_location_relay_protocol_type protocol, | |
94 | uint16_t control_port, | |
95 | uint16_t data_port, | |
96 | const char *relative_path) | |
434131e4 | 97 | { |
cd9adb8b | 98 | struct lttng_trace_archive_location *location = nullptr; |
434131e4 JG |
99 | |
100 | if (!host || !relative_path) { | |
101 | goto end; | |
102 | } | |
103 | ||
28ab034a | 104 | location = lttng_trace_archive_location_create(LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY); |
434131e4 JG |
105 | if (!location) { |
106 | goto end; | |
107 | } | |
108 | ||
109 | location->types.relay.host = strdup(host); | |
110 | if (!location->types.relay.host) { | |
111 | goto error; | |
112 | } | |
113 | location->types.relay.relative_path = strdup(relative_path); | |
114 | if (!location->types.relay.relative_path) { | |
115 | goto error; | |
116 | } | |
117 | ||
118 | location->types.relay.protocol = protocol; | |
119 | location->types.relay.ports.control = control_port; | |
120 | location->types.relay.ports.data = data_port; | |
121 | end: | |
122 | return location; | |
123 | error: | |
d3740619 | 124 | lttng_trace_archive_location_put(location); |
cd9adb8b | 125 | return nullptr; |
434131e4 JG |
126 | } |
127 | ||
28ab034a JG |
128 | ssize_t |
129 | lttng_trace_archive_location_create_from_buffer(const struct lttng_buffer_view *view, | |
130 | struct lttng_trace_archive_location **location) | |
1e9f1cf8 JG |
131 | { |
132 | size_t offset = 0; | |
133 | const struct lttng_trace_archive_location_comm *location_comm; | |
134 | struct lttng_buffer_view location_comm_view; | |
135 | ||
28ab034a | 136 | location_comm_view = lttng_buffer_view_from_view(view, 0, sizeof(*location_comm)); |
3e6e0df2 | 137 | if (!lttng_buffer_view_is_valid(&location_comm_view)) { |
1e9f1cf8 JG |
138 | goto error; |
139 | } | |
3e6e0df2 | 140 | |
1e9f1cf8 | 141 | offset += location_comm_view.size; |
3e6e0df2 | 142 | location_comm = (const struct lttng_trace_archive_location_comm *) location_comm_view.data; |
1e9f1cf8 JG |
143 | |
144 | switch ((enum lttng_trace_archive_location_type) location_comm->type) { | |
145 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
146 | { | |
28ab034a JG |
147 | const struct lttng_buffer_view absolute_path_view = lttng_buffer_view_from_view( |
148 | view, offset, location_comm->types.local.absolute_path_len); | |
1e9f1cf8 | 149 | |
3e6e0df2 | 150 | if (!lttng_buffer_view_is_valid(&absolute_path_view)) { |
1e9f1cf8 JG |
151 | goto error; |
152 | } | |
3e6e0df2 | 153 | |
1e9f1cf8 JG |
154 | if (absolute_path_view.data[absolute_path_view.size - 1] != '\0') { |
155 | goto error; | |
156 | } | |
157 | offset += absolute_path_view.size; | |
158 | ||
28ab034a | 159 | *location = lttng_trace_archive_location_local_create(absolute_path_view.data); |
1e9f1cf8 JG |
160 | if (!*location) { |
161 | goto error; | |
162 | } | |
163 | break; | |
164 | } | |
165 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
166 | { | |
28ab034a JG |
167 | const struct lttng_buffer_view hostname_view = lttng_buffer_view_from_view( |
168 | view, offset, location_comm->types.relay.hostname_len); | |
1e9f1cf8 | 169 | const struct lttng_buffer_view relative_path_view = |
28ab034a JG |
170 | lttng_buffer_view_from_view(view, |
171 | offset + hostname_view.size, | |
172 | location_comm->types.relay.relative_path_len); | |
1e9f1cf8 | 173 | |
3e6e0df2 | 174 | if (!lttng_buffer_view_is_valid(&hostname_view) || |
28ab034a | 175 | !lttng_buffer_view_is_valid(&relative_path_view)) { |
1e9f1cf8 JG |
176 | goto error; |
177 | } | |
3e6e0df2 | 178 | |
1e9f1cf8 JG |
179 | if (hostname_view.data[hostname_view.size - 1] != '\0') { |
180 | goto error; | |
181 | } | |
182 | if (relative_path_view.data[relative_path_view.size - 1] != '\0') { | |
183 | goto error; | |
184 | } | |
185 | offset += hostname_view.size + relative_path_view.size; | |
186 | ||
187 | *location = lttng_trace_archive_location_relay_create( | |
28ab034a JG |
188 | hostname_view.data, |
189 | (enum lttng_trace_archive_location_relay_protocol_type) | |
190 | location_comm->types.relay.protocol, | |
191 | location_comm->types.relay.ports.control, | |
192 | location_comm->types.relay.ports.data, | |
193 | relative_path_view.data); | |
1e9f1cf8 JG |
194 | if (!*location) { |
195 | goto error; | |
196 | } | |
197 | break; | |
198 | } | |
199 | default: | |
200 | goto error; | |
201 | } | |
202 | ||
e4b6e50f | 203 | return offset; |
1e9f1cf8 JG |
204 | error: |
205 | return -1; | |
206 | } | |
207 | ||
28ab034a JG |
208 | ssize_t lttng_trace_archive_location_serialize(const struct lttng_trace_archive_location *location, |
209 | struct lttng_dynamic_buffer *buffer) | |
1e9f1cf8 JG |
210 | { |
211 | int ret; | |
212 | struct lttng_trace_archive_location_comm location_comm; | |
1e9f1cf8 JG |
213 | |
214 | location_comm.type = (int8_t) location->type; | |
215 | ||
216 | switch (location->type) { | |
217 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
218 | location_comm.types.local.absolute_path_len = | |
28ab034a | 219 | strlen(location->types.local.absolute_path) + 1; |
1e9f1cf8 JG |
220 | break; |
221 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
28ab034a JG |
222 | location_comm.types.relay.hostname_len = strlen(location->types.relay.host) + 1; |
223 | location_comm.types.relay.protocol = (int8_t) location->types.relay.protocol; | |
224 | location_comm.types.relay.ports.control = location->types.relay.ports.control; | |
225 | location_comm.types.relay.ports.data = location->types.relay.ports.data; | |
1e9f1cf8 | 226 | location_comm.types.relay.relative_path_len = |
28ab034a | 227 | strlen(location->types.relay.relative_path) + 1; |
1e9f1cf8 JG |
228 | break; |
229 | default: | |
230 | abort(); | |
231 | } | |
232 | ||
28ab034a | 233 | ret = lttng_dynamic_buffer_append(buffer, &location_comm, sizeof(location_comm)); |
1e9f1cf8 JG |
234 | if (ret) { |
235 | goto error; | |
236 | } | |
237 | ||
238 | switch (location->type) { | |
239 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL: | |
240 | ret = lttng_dynamic_buffer_append(buffer, | |
28ab034a JG |
241 | location->types.local.absolute_path, |
242 | location_comm.types.local.absolute_path_len); | |
1e9f1cf8 JG |
243 | if (ret) { |
244 | goto error; | |
245 | } | |
246 | break; | |
247 | case LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY: | |
28ab034a JG |
248 | ret = lttng_dynamic_buffer_append( |
249 | buffer, location->types.relay.host, location_comm.types.relay.hostname_len); | |
1e9f1cf8 JG |
250 | if (ret) { |
251 | goto error; | |
252 | } | |
253 | ret = lttng_dynamic_buffer_append(buffer, | |
28ab034a JG |
254 | location->types.relay.relative_path, |
255 | location_comm.types.relay.relative_path_len); | |
1e9f1cf8 JG |
256 | if (ret) { |
257 | goto error; | |
258 | } | |
259 | break; | |
260 | default: | |
261 | abort(); | |
262 | } | |
263 | ||
f7daf93a | 264 | return 0; |
1e9f1cf8 JG |
265 | error: |
266 | return -1; | |
267 | } | |
268 | ||
28ab034a JG |
269 | enum lttng_trace_archive_location_type |
270 | lttng_trace_archive_location_get_type(const struct lttng_trace_archive_location *location) | |
434131e4 JG |
271 | { |
272 | enum lttng_trace_archive_location_type type; | |
273 | ||
274 | if (!location) { | |
275 | type = LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_UNKNOWN; | |
276 | goto end; | |
277 | } | |
278 | ||
279 | type = location->type; | |
280 | end: | |
281 | return type; | |
282 | } | |
283 | ||
28ab034a JG |
284 | enum lttng_trace_archive_location_status lttng_trace_archive_location_local_get_absolute_path( |
285 | const struct lttng_trace_archive_location *location, const char **absolute_path) | |
434131e4 | 286 | { |
28ab034a | 287 | enum lttng_trace_archive_location_status status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; |
434131e4 JG |
288 | |
289 | if (!location || !absolute_path || | |
28ab034a | 290 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_LOCAL) { |
434131e4 JG |
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 | |
28ab034a JG |
301 | lttng_trace_archive_location_relay_get_host(const struct lttng_trace_archive_location *location, |
302 | const char **relay_host) | |
434131e4 | 303 | { |
28ab034a | 304 | enum lttng_trace_archive_location_status status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; |
434131e4 | 305 | |
28ab034a | 306 | if (!location || !relay_host || location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { |
434131e4 JG |
307 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; |
308 | goto end; | |
309 | } | |
310 | ||
311 | *relay_host = location->types.relay.host; | |
312 | end: | |
313 | return status; | |
314 | } | |
315 | ||
28ab034a JG |
316 | enum lttng_trace_archive_location_status lttng_trace_archive_location_relay_get_relative_path( |
317 | const struct lttng_trace_archive_location *location, const char **relative_path) | |
434131e4 | 318 | { |
28ab034a | 319 | enum lttng_trace_archive_location_status status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; |
434131e4 JG |
320 | |
321 | if (!location || !relative_path || | |
28ab034a | 322 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { |
434131e4 JG |
323 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; |
324 | goto end; | |
325 | } | |
326 | ||
327 | *relative_path = location->types.relay.relative_path; | |
328 | end: | |
329 | return status; | |
330 | } | |
331 | ||
28ab034a JG |
332 | enum lttng_trace_archive_location_status lttng_trace_archive_location_relay_get_control_port( |
333 | const struct lttng_trace_archive_location *location, uint16_t *control_port) | |
434131e4 | 334 | { |
28ab034a | 335 | enum lttng_trace_archive_location_status status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; |
434131e4 JG |
336 | |
337 | if (!location || !control_port || | |
28ab034a | 338 | location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { |
434131e4 JG |
339 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; |
340 | goto end; | |
341 | } | |
342 | ||
343 | *control_port = location->types.relay.ports.control; | |
344 | end: | |
345 | return status; | |
346 | } | |
347 | ||
28ab034a JG |
348 | enum lttng_trace_archive_location_status lttng_trace_archive_location_relay_get_data_port( |
349 | const struct lttng_trace_archive_location *location, uint16_t *data_port) | |
434131e4 | 350 | { |
28ab034a | 351 | enum lttng_trace_archive_location_status status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; |
434131e4 | 352 | |
28ab034a | 353 | if (!location || !data_port || location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { |
434131e4 JG |
354 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; |
355 | goto end; | |
356 | } | |
357 | ||
358 | *data_port = location->types.relay.ports.data; | |
359 | end: | |
360 | return status; | |
361 | } | |
362 | ||
28ab034a JG |
363 | enum lttng_trace_archive_location_status lttng_trace_archive_location_relay_get_protocol_type( |
364 | const struct lttng_trace_archive_location *location, | |
365 | enum lttng_trace_archive_location_relay_protocol_type *protocol) | |
434131e4 | 366 | { |
28ab034a | 367 | enum lttng_trace_archive_location_status status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_OK; |
434131e4 | 368 | |
28ab034a | 369 | if (!location || !protocol || location->type != LTTNG_TRACE_ARCHIVE_LOCATION_TYPE_RELAY) { |
434131e4 JG |
370 | status = LTTNG_TRACE_ARCHIVE_LOCATION_STATUS_INVALID; |
371 | goto end; | |
372 | } | |
373 | ||
374 | *protocol = location->types.relay.protocol; | |
375 | end: | |
376 | return status; | |
377 | } |