consumerd: send a buffer static sample on flush command
[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.hpp
CommitLineData
91d76f53 1/*
21cf9b6b 2 * Copyright (C) 2011 EfficiOS Inc.
ab5be9fa 3 * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
91d76f53 4 *
ab5be9fa 5 * SPDX-License-Identifier: GPL-2.0-only
91d76f53 6 *
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7 */
8
2106efa0 9#ifndef _LTT_UST_APP_H
f6a9efaa 10#define _LTT_UST_APP_H
91d76f53 11
099e26bd 12#include <stdint.h>
1e307fab 13
c9e313bc 14#include <common/index-allocator.hpp>
d7bfb9b0 15#include <common/format.hpp>
c9e313bc 16#include <common/uuid.hpp>
f20baf8e 17
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18#include "trace-ust.hpp"
19#include "ust-registry.hpp"
b0f2e8db 20#include "ust-registry-session.hpp"
c9e313bc 21#include "session.hpp"
44d3bd01 22
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23#define UST_APP_EVENT_LIST_SIZE 32
24
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25/* Process name (short). */
26#define UST_APP_PROCNAME_LEN 16
d0b96690 27
2b00d462 28struct lttng_bytecode;
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29struct lttng_ust_filter_bytecode;
30
412d7227 31extern int the_ust_consumerd64_fd, the_ust_consumerd32_fd;
ba5d816e 32
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33/*
34 * Object used to close the notify socket in a call_rcu(). Since the
35 * application might not be found, we need an independant object containing the
36 * notify socket fd.
37 */
38struct ust_app_notify_sock_obj {
39 int fd;
40 struct rcu_head head;
41};
42
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43struct ust_app_ht_key {
44 const char *name;
2b00d462 45 const struct lttng_bytecode *filter;
fc4b93fa 46 enum lttng_ust_abi_loglevel_type loglevel_type;
51755dc8 47 const struct lttng_event_exclusion *exclusion;
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48};
49
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50/*
51 * Application registration data structure.
52 */
53struct ust_register_msg {
b623cb6a 54 enum lttng_ust_ctl_socket_type type;
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55 uint32_t major;
56 uint32_t minor;
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57 uint32_t abi_major;
58 uint32_t abi_minor;
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59 pid_t pid;
60 pid_t ppid;
61 uid_t uid;
62 gid_t gid;
0df502fd 63 uint32_t bits_per_long;
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64 uint32_t uint8_t_alignment;
65 uint32_t uint16_t_alignment;
66 uint32_t uint32_t_alignment;
67 uint32_t uint64_t_alignment;
68 uint32_t long_alignment;
69 int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */
70 char name[LTTNG_UST_ABI_PROCNAME_LEN];
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71};
72
48842b30 73/*
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74 * Global applications HT used by the session daemon. This table is indexed by
75 * PID using the pid_n node and pid value of an ust_app.
48842b30 76 */
44cdb3a2 77extern struct lttng_ht *ust_app_ht;
f6a9efaa 78
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79/*
80 * Global applications HT used by the session daemon. This table is indexed by
81 * socket using the sock_n node and sock value of an ust_app.
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82 *
83 * The 'sock' in question here is the 'command' socket.
852d0037 84 */
44cdb3a2 85extern struct lttng_ht *ust_app_ht_by_sock;
91d76f53 86
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87/*
88 * Global applications HT used by the session daemon. This table is indexed by
89 * socket using the notify_sock_n node and notify_sock value of an ust_app.
90 */
44cdb3a2 91extern struct lttng_ht *ust_app_ht_by_notify_sock;
d0b96690 92
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93/* Stream list containing ust_app_stream. */
94struct ust_app_stream_list {
95 unsigned int count;
96 struct cds_list_head head;
97};
98
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99struct ust_app_ctx {
100 int handle;
bdf64013 101 struct lttng_ust_context_attr ctx;
fc4b93fa 102 struct lttng_ust_abi_object_data *obj;
bec39940 103 struct lttng_ht_node_ulong node;
31746f93 104 struct cds_list_head list;
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105};
106
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107struct ust_app_event {
108 int enabled;
109 int handle;
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110 struct lttng_ust_abi_object_data *obj;
111 struct lttng_ust_abi_event attr;
112 char name[LTTNG_UST_ABI_SYM_NAME_LEN];
bec39940 113 struct lttng_ht_node_str node;
2b00d462 114 struct lttng_bytecode *filter;
51755dc8 115 struct lttng_event_exclusion *exclusion;
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116};
117
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118struct ust_app_event_notifier_rule {
119 int enabled;
533a90fb 120 uint64_t error_counter_index;
993578ff 121 int handle;
fc4b93fa 122 struct lttng_ust_abi_object_data *obj;
993578ff 123 /* Holds a strong reference. */
267d66aa 124 struct lttng_trigger *trigger;
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125 /* Unique ID returned by the tracer to identify this event notifier. */
126 uint64_t token;
127 struct lttng_ht_node_u64 node;
267d66aa 128 /* The trigger object owns the filter. */
2b00d462 129 const struct lttng_bytecode *filter;
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130 /* Owned by this. */
131 struct lttng_event_exclusion *exclusion;
132 /* For delayed reclaim. */
133 struct rcu_head rcu_head;
134};
135
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136struct ust_app_stream {
137 int handle;
138 char pathname[PATH_MAX];
139 /* Format is %s_%d respectively channel name and CPU number. */
140 char name[DEFAULT_STREAM_NAME_LEN];
fc4b93fa 141 struct lttng_ust_abi_object_data *obj;
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142 /* Using a list of streams to keep order. */
143 struct cds_list_head list;
144};
145
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146struct ust_app_channel {
147 int enabled;
148 int handle;
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149 /*
150 * Unique key used to identify the channel on the consumer side.
151 * 0 is a reserved 'invalid' value used to indicate that the consumer
a9577b76 152 * does not know about this channel (i.e. an error occurred).
dda154b8 153 */
d88aee68 154 uint64_t key;
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155 /* Id of the tracing channel set on creation. */
156 uint64_t tracing_channel_id;
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157 /* Number of stream that this channel is expected to receive. */
158 unsigned int expected_stream_count;
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159 char name[LTTNG_UST_ABI_SYM_NAME_LEN];
160 struct lttng_ust_abi_object_data *obj;
b623cb6a 161 struct lttng_ust_ctl_consumer_channel_attr attr;
030a66fa 162 struct ust_app_stream_list streams;
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163 /* Session pointer that owns this object. */
164 struct ust_app_session *session;
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165 /*
166 * Contexts are kept in a hash table for fast lookup and in an ordered list
167 * so we are able to enable them on the tracer side in the same order the
168 * user added them.
169 */
bec39940 170 struct lttng_ht *ctx;
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171 struct cds_list_head ctx_list;
172
bec39940 173 struct lttng_ht *events;
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174 uint64_t tracefile_size;
175 uint64_t tracefile_count;
e9404c27 176 uint64_t monitor_timer_interval;
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177 /*
178 * Node indexed by channel name in the channels' hash table of a session.
179 */
bec39940 180 struct lttng_ht_node_str node;
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181 /*
182 * Node indexed by UST channel object descriptor (handle). Stored in the
183 * ust_objd hash table in the ust_app object.
184 */
185 struct lttng_ht_node_ulong ust_objd_node;
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186 /* For delayed reclaim */
187 struct rcu_head rcu_head;
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188};
189
190struct ust_app_session {
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191 /*
192 * Lock protecting this session's ust app interaction. Held
193 * across command send/recv to/from app. Never nests within the
194 * session registry lock.
195 */
196 pthread_mutex_t lock;
197
48842b30 198 int enabled;
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199 /* started: has the session been in started state at any time ? */
200 int started; /* allows detection of start vs restart. */
a991f516 201 int handle; /* used has unique identifier for app session */
7972aab2 202
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203 bool deleted; /* Session deleted flag. Check with lock held. */
204
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205 /*
206 * Tracing session ID. Multiple ust app session can have the same tracing
207 * session id making this value NOT unique to the object.
208 */
d9bf3ca4 209 uint64_t tracing_id;
7972aab2 210 uint64_t id; /* Unique session identifier */
bec39940 211 struct lttng_ht *channels; /* Registered channels */
d9bf3ca4 212 struct lttng_ht_node_u64 node;
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213 /*
214 * Node indexed by UST session object descriptor (handle). Stored in the
215 * ust_sessions_objd hash table in the ust_app object.
216 */
217 struct lttng_ht_node_ulong ust_objd_node;
d2956687 218 /* Starts with 'ust'; no leading slash. */
bec39940 219 char path[PATH_MAX];
7972aab2 220 /* UID/GID of the application owning the session */
470cc211 221 struct lttng_credentials real_credentials;
7972aab2 222 /* Effective UID and GID. Same as the tracing session. */
470cc211 223 struct lttng_credentials effective_credentials;
d42f20df 224 struct cds_list_head teardown_node;
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225 /*
226 * Once at least *one* session is created onto the application, the
227 * corresponding consumer is set so we can use it on unregistration.
228 */
229 struct consumer_output *consumer;
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230 enum lttng_buffer_type buffer_type;
231 /* ABI of the session. Same value as the application. */
232 uint32_t bits_per_long;
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233 /* For delayed reclaim */
234 struct rcu_head rcu_head;
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235 /* If the channel's streams have to be outputed or not. */
236 unsigned int output_traces;
ecc48a90 237 unsigned int live_timer_interval; /* usec */
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238
239 /* Metadata channel attributes. */
b623cb6a 240 struct lttng_ust_ctl_consumer_channel_attr metadata_attr;
d7ba1388 241
3d071855 242 char root_shm_path[PATH_MAX];
d7ba1388 243 char shm_path[PATH_MAX];
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244};
245
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246/*
247 * Registered traceable applications. Libust registers to the session daemon
050349bb 248 * and a linked list is kept of all running traceable app.
91d76f53 249 */
56fff090 250struct ust_app {
852d0037 251 int sock;
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252 pthread_mutex_t sock_lock; /* Protects sock protocol. */
253
d0b96690 254 int notify_sock;
852d0037 255 pid_t pid;
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256 pid_t ppid;
257 uid_t uid; /* User ID that owns the apps */
aea829b3 258 gid_t gid; /* Group ID that owns the apps */
d0b96690 259
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260 /* App ABI. */
261 lttng::sessiond::trace::abi abi;
d0b96690 262
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263 int compatible; /* If the lttng-ust tracer version does not match the
264 supported version of the session daemon, this flag is
265 set to 0 (NOT compatible) else 1. */
fc4b93fa 266 struct lttng_ust_abi_tracer_version version;
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267 uint32_t v_major; /* Version major number */
268 uint32_t v_minor; /* Version minor number */
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269 /* Extra for the NULL byte. */
270 char name[UST_APP_PROCNAME_LEN + 1];
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271 /* Type of buffer this application uses. */
272 enum lttng_buffer_type buffer_type;
bec39940 273 struct lttng_ht *sessions;
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274 struct lttng_ht_node_ulong pid_n;
275 struct lttng_ht_node_ulong sock_n;
d0b96690 276 struct lttng_ht_node_ulong notify_sock_n;
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277 /*
278 * This is a list of ust app session that, once the app is going into
279 * teardown mode, in the RCU call, each node in this list is removed and
280 * deleted.
281 *
282 * Element of the list are added when an application unregisters after each
283 * ht_del of ust_app_session associated to this app. This list is NOT used
284 * when a session is destroyed.
285 */
286 struct cds_list_head teardown_head;
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287 /*
288 * Hash table containing ust_app_channel indexed by channel objd.
289 */
290 struct lttng_ht *ust_objd;
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291 /*
292 * Hash table containing ust_app_session indexed by objd.
293 */
294 struct lttng_ht *ust_sessions_objd;
022d91ba 295
f20baf8e 296 /*
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297 * If this application is of the agent domain and this is non negative then
298 * a lookup MUST be done to acquire a read side reference to the
299 * corresponding agent app object. If the lookup fails, this should be set
300 * to a negative value indicating that the agent application is gone.
f20baf8e 301 */
022d91ba 302 int agent_app_sock;
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303 /*
304 * Time at which the app is registred.
305 * Used for path creation
306 */
307 time_t registration_time;
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308 /*
309 * Event notifier
310 */
311 struct {
312 /*
313 * Handle to the lttng_ust object representing the event
314 * notifier group.
315 */
fc4b93fa 316 struct lttng_ust_abi_object_data *object;
da873412 317 struct lttng_pipe *event_pipe;
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318 struct lttng_ust_abi_object_data *counter;
319 struct lttng_ust_abi_object_data **counter_cpu;
320 int nr_counter_cpu;
da873412 321 } event_notifier_group;
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322 /*
323 * Hashtable indexing the application's event notifier rule's
324 * (ust_app_event_notifier_rule) by their token's value.
325 */
326 struct lttng_ht *token_to_event_notifier_rule_ht;
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327};
328
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329/*
330 * Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace,
331 * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480.
332 */
e2c2bec2 333namespace fmt {
d7bfb9b0 334template <>
e2c2bec2 335struct formatter<ust_app> : formatter<std::string> {
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336 template <typename FormatCtx>
337 typename FormatCtx::iterator format(const ust_app& app, FormatCtx& ctx)
338 {
e2c2bec2 339 return format_to(ctx.out(),
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340 "{{ procname = `{}`, ppid = {}, pid = {}, uid = {}, gid = {}, version = {}.{}, registration time = {} }}",
341 app.name, app.ppid, app.pid, app.uid, app.gid, app.v_major,
342 app.v_minor,
343 lttng::utils::time_to_iso8601_str(app.registration_time));
344 }
345};
e2c2bec2 346} /* namespace fmt */
d7bfb9b0 347
74d0b642 348#ifdef HAVE_LIBLTTNG_UST_CTL
3bd1e081 349
56fff090 350int ust_app_register(struct ust_register_msg *msg, int sock);
fb45065e 351int ust_app_register_done(struct ust_app *app);
d0b96690 352int ust_app_version(struct ust_app *app);
56fff090 353void ust_app_unregister(int sock);
421cb601 354int ust_app_start_trace_all(struct ltt_ust_session *usess);
8be98f9a 355int ust_app_stop_trace_all(struct ltt_ust_session *usess);
84cd17c6 356int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
b551a063 357int ust_app_list_events(struct lttng_event **events);
f37d259d 358int ust_app_list_event_fields(struct lttng_event_field **fields);
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359int ust_app_create_event_glb(struct ltt_ust_session *usess,
360 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
361int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 362 struct ltt_ust_channel *uchan);
35a9059d 363int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
78f0bacd 364 struct ltt_ust_channel *uchan);
35a9059d 365int ust_app_enable_event_glb(struct ltt_ust_session *usess,
edb67388 366 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
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367int ust_app_disable_event_glb(struct ltt_ust_session *usess,
368 struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
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369int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess,
370 struct ltt_ust_channel *uchan, struct ltt_ust_context *uctx);
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371void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app);
372void ust_app_global_update_all(struct ltt_ust_session *usess);
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373void ust_app_global_update_event_notifier_rules(struct ust_app *app);
374void ust_app_global_update_all_event_notifier_rules(void);
91d76f53 375
56fff090 376void ust_app_clean_list(void);
57703f6e 377int ust_app_ht_alloc(void);
f6a9efaa 378struct ust_app *ust_app_find_by_pid(pid_t pid);
ffe60014 379struct ust_app_stream *ust_app_alloc_stream(void);
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380int ust_app_recv_registration(int sock, struct ust_register_msg *msg);
381int ust_app_recv_notify(int sock);
382void ust_app_add(struct ust_app *app);
383struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock);
d88aee68 384void ust_app_notify_sock_unregister(int sock);
b0f2e8db 385ssize_t ust_app_push_metadata(const lttng::sessiond::ust::registry_session::locked_ptr& registry,
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386 struct consumer_socket *socket,
387 int send_zero_data);
f45e313d 388void ust_app_destroy(struct ust_app *app);
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389enum lttng_error_code ust_app_snapshot_record(
390 const struct ltt_ust_session *usess,
f46376a1 391 const struct consumer_output *output,
d07ceecd 392 uint64_t nb_packets_per_stream);
16f35901 393uint64_t ust_app_get_size_one_more_packet_per_stream(
fb9a95c4 394 const struct ltt_ust_session *usess, uint64_t cur_nr_packets);
f20baf8e 395struct ust_app *ust_app_find_by_sock(int sock);
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396int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id,
397 struct cds_list_head *buffer_reg_uid_list,
398 struct consumer_output *consumer, uint64_t uchan_id,
399 int overwrite, uint64_t *discarded, uint64_t *lost);
400int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess,
401 struct ltt_ust_channel *uchan,
402 struct consumer_output *consumer,
403 int overwrite, uint64_t *discarded, uint64_t *lost);
c2561365 404int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess);
6f6d3b69 405enum lttng_error_code ust_app_rotate_session(struct ltt_session *session);
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406enum lttng_error_code ust_app_create_channel_subdirectories(
407 const struct ltt_ust_session *session);
75018ab6 408int ust_app_release_object(struct ust_app *app,
fc4b93fa 409 struct lttng_ust_abi_object_data *data);
4a9b9759 410enum lttng_error_code ust_app_clear_session(struct ltt_session *session);
04ed9e10 411enum lttng_error_code ust_app_open_packets(struct ltt_session *session);
44d3bd01 412
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JR
413int ust_app_setup_event_notifier_group(struct ust_app *app);
414
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415static inline
416int ust_app_supported(void)
417{
418 return 1;
419}
420
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421bool ust_app_supports_notifiers(const struct ust_app *app);
422bool ust_app_supports_counters(const struct ust_app *app);
423
74d0b642 424#else /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 425
cc920def 426static inline
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427int ust_app_destroy_trace_all(
428 struct ltt_ust_session *usess __attribute__((unused)))
cc920def
DG
429{
430 return 0;
431}
f46376a1 432
d974f197 433static inline
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434int ust_app_start_trace(
435 struct ltt_ust_session *usess __attribute__((unused)),
436 struct ust_app *app __attribute__((unused)))
421cb601
DG
437{
438 return 0;
439}
f46376a1 440
421cb601 441static inline
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442int ust_app_start_trace_all(
443 struct ltt_ust_session *usess __attribute__((unused)))
d974f197 444{
5cf5d0e7 445 return 0;
d974f197 446}
f46376a1 447
3bd1e081 448static inline
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449int ust_app_stop_trace_all(
450 struct ltt_ust_session *usess __attribute__((unused)))
cc920def
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451{
452 return 0;
453}
f46376a1 454
cc920def 455static inline
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456int ust_app_list_events(
457 struct lttng_event **events __attribute__((unused)))
b551a063 458{
db7c0497 459 return -ENOSYS;
b551a063 460}
f46376a1 461
b551a063 462static inline
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463int ust_app_list_event_fields(
464 struct lttng_event_field **fields __attribute__((unused)))
da0bdb87
MD
465{
466 return -ENOSYS;
467}
f46376a1 468
da0bdb87 469static inline
f46376a1
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470int ust_app_register(
471 struct ust_register_msg *msg __attribute__((unused)),
472 int sock __attribute__((unused)))
3bd1e081
MD
473{
474 return -ENOSYS;
475}
f46376a1 476
3bd1e081 477static inline
f46376a1 478int ust_app_register_done(struct ust_app *app __attribute__((unused)))
f2ca2e25
GF
479{
480 return -ENOSYS;
481}
f46376a1 482
f2ca2e25 483static inline
f46376a1 484int ust_app_version(struct ust_app *app __attribute__((unused)))
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485{
486 return -ENOSYS;
487}
f46376a1 488
d0b96690 489static inline
f46376a1 490void ust_app_unregister(int sock __attribute__((unused)))
3bd1e081
MD
491{
492}
f46376a1 493
3bd1e081 494static inline
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MD
495void ust_app_clean_list(void)
496{
497}
f46376a1 498
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MD
499static inline
500struct ust_app_list *ust_app_get_list(void)
501{
502 return NULL;
503}
f46376a1 504
3bd1e081 505static inline
f46376a1 506struct ust_app *ust_app_get_by_pid(pid_t pid __attribute__((unused)))
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MD
507{
508 return NULL;
509}
f46376a1 510
48842b30 511static inline
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512int ust_app_ht_alloc(void)
513{
514 return 0;
515}
f46376a1 516
cc920def 517static inline
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518void ust_app_global_update(
519 struct ltt_ust_session *usess __attribute__((unused)),
520 struct ust_app *app __attribute__((unused)))
cc920def 521{}
f46376a1 522
cc920def 523static inline
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524void ust_app_global_update_event_notifier_rules(
525 struct ust_app *app __attribute__((unused)))
993578ff 526{}
f46376a1 527
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528static inline
529void ust_app_global_update_all_event_notifier_rules(void)
da873412 530{}
f46376a1 531
da873412 532static inline
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533int ust_app_setup_event_notifier_group(
534 struct ust_app *app __attribute__((unused)))
da873412
JR
535{
536 return 0;
537}
f46376a1 538
da873412 539static inline
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540int ust_app_disable_channel_glb(
541 struct ltt_ust_session *usess __attribute__((unused)),
542 struct ltt_ust_channel *uchan __attribute__((unused)))
d974f197 543{
cc920def 544 return 0;
d974f197 545}
f46376a1 546
487cf67c 547static inline
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548int ust_app_enable_channel_glb(
549 struct ltt_ust_session *usess __attribute__((unused)),
550 struct ltt_ust_channel *uchan __attribute__((unused)))
487cf67c 551{
cc920def
DG
552 return 0;
553}
f46376a1 554
cc920def 555static inline
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556int ust_app_create_event_glb(
557 struct ltt_ust_session *usess __attribute__((unused)),
558 struct ltt_ust_channel *uchan __attribute__((unused)),
559 struct ltt_ust_event *uevent __attribute__((unused)))
35a9059d
DG
560{
561 return 0;
562}
f46376a1 563
35a9059d 564static inline
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565int ust_app_disable_event_glb(
566 struct ltt_ust_session *usess __attribute__((unused)),
567 struct ltt_ust_channel *uchan __attribute__((unused)),
568 struct ltt_ust_event *uevent __attribute__((unused)))
cc920def
DG
569{
570 return 0;
487cf67c 571}
f46376a1 572
edb67388 573static inline
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574int ust_app_enable_event_glb(
575 struct ltt_ust_session *usess __attribute__((unused)),
576 struct ltt_ust_channel *uchan __attribute__((unused)),
577 struct ltt_ust_event *uevent __attribute__((unused)))
edb67388
DG
578{
579 return 0;
580}
f46376a1 581
55cc08a6 582static inline
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583int ust_app_add_ctx_channel_glb(
584 struct ltt_ust_session *usess __attribute__((unused)),
585 struct ltt_ust_channel *uchan __attribute__((unused)),
586 struct ltt_ust_context *uctx __attribute__((unused)))
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587{
588 return 0;
589}
f46376a1 590
76d45b40 591static inline
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592int ust_app_enable_event_pid(
593 struct ltt_ust_session *usess __attribute__((unused)),
594 struct ltt_ust_channel *uchan __attribute__((unused)),
595 struct ltt_ust_event *uevent __attribute__((unused)),
596 pid_t pid __attribute__((unused)))
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597{
598 return 0;
599}
f46376a1 600
7f79d3a1 601static inline
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602int ust_app_recv_registration(
603 int sock __attribute__((unused)),
604 struct ust_register_msg *msg __attribute__((unused)))
d0b96690
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605{
606 return 0;
607}
f46376a1 608
d0b96690 609static inline
f46376a1 610int ust_app_recv_notify(int sock __attribute__((unused)))
4466912f
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611{
612 return 0;
613}
f46376a1 614
d0b96690 615static inline
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616struct ust_app *ust_app_create(
617 struct ust_register_msg *msg __attribute__((unused)),
618 int sock __attribute__((unused)))
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619{
620 return NULL;
621}
f46376a1 622
d0b96690 623static inline
f46376a1 624void ust_app_add(struct ust_app *app __attribute__((unused)))
d0b96690
DG
625{
626}
f46376a1 627
d88aee68 628static inline
f46376a1 629void ust_app_notify_sock_unregister(int sock __attribute__((unused)))
d88aee68
DG
630{
631}
f46376a1 632
331744e3 633static inline
f46376a1 634ssize_t ust_app_push_metadata(
b0f2e8db 635 lttng::sessiond::ust::registry_session *registry __attribute__((unused)),
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636 struct consumer_socket *socket __attribute__((unused)),
637 int send_zero_data __attribute__((unused)))
331744e3
JD
638{
639 return 0;
640}
f46376a1 641
f45e313d 642static inline
f46376a1 643void ust_app_destroy(struct ust_app *app __attribute__((unused)))
f45e313d
DG
644{
645 return;
646}
f46376a1 647
6dc3064a 648static inline
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649enum lttng_error_code ust_app_snapshot_record(
650 struct ltt_ust_session *usess __attribute__((unused)),
651 const struct consumer_output *output __attribute__((unused)),
652 uint64_t max_stream_size __attribute__((unused)))
5c786ded 653{
7966af57 654 return LTTNG_ERR_UNK;
5c786ded 655}
f46376a1 656
5c786ded 657static inline
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658unsigned int ust_app_get_nb_stream(
659 struct ltt_ust_session *usess __attribute__((unused)))
6dc3064a
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660{
661 return 0;
662}
f46376a1 663
533a90fb
FD
664static inline
665void ust_app_update_event_notifier_error_count(
f46376a1 666 struct lttng_trigger *lttng_trigger __attribute__((unused)))
533a90fb
FD
667{
668 return;
669}
f46376a1 670
b51ec5b4
MD
671static inline
672int ust_app_supported(void)
673{
674 return 0;
675}
f46376a1 676
f20baf8e 677static inline
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678bool ust_app_supports_notifiers(
679 const struct ust_app *app __attribute__((unused)))
783db316
MD
680{
681 return false;
682}
f46376a1 683
783db316 684static inline
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685bool ust_app_supports_counters(
686 const struct ust_app *app __attribute__((unused)))
783db316
MD
687{
688 return false;
689}
f46376a1 690
783db316 691static inline
f46376a1 692struct ust_app *ust_app_find_by_sock(int sock __attribute__((unused)))
f20baf8e
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693{
694 return NULL;
695}
f46376a1 696
95b1d17c 697static inline
f46376a1 698struct ust_app *ust_app_find_by_pid(pid_t pid __attribute__((unused)))
95b1d17c
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699{
700 return NULL;
701}
f46376a1 702
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703static inline
704uint64_t ust_app_get_size_one_more_packet_per_stream(
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705 const struct ltt_ust_session *usess __attribute__((unused)),
706 uint64_t cur_nr_packets __attribute__((unused))) {
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707 return 0;
708}
f46376a1 709
fb83fe64 710static inline
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711int ust_app_uid_get_channel_runtime_stats(
712 uint64_t ust_session_id __attribute__((unused)),
713 struct cds_list_head *buffer_reg_uid_list __attribute__((unused)),
714 struct consumer_output *consumer __attribute__((unused)),
715 int overwrite __attribute__((unused)),
716 uint64_t uchan_id __attribute__((unused)),
717 uint64_t *discarded __attribute__((unused)),
718 uint64_t *lost __attribute__((unused)))
fb83fe64
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719{
720 return 0;
721}
722
723static inline
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724int ust_app_pid_get_channel_runtime_stats(
725 struct ltt_ust_session *usess __attribute__((unused)),
726 struct ltt_ust_channel *uchan __attribute__((unused)),
727 struct consumer_output *consumer __attribute__((unused)),
728 int overwrite __attribute__((unused)),
729 uint64_t *discarded __attribute__((unused)),
730 uint64_t *lost __attribute__((unused)))
fb83fe64
JD
731{
732 return 0;
733}
b51ec5b4 734
6f698634 735static inline
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736int ust_app_regenerate_statedump_all(
737 struct ltt_ust_session *usess __attribute__((unused)))
6f698634
JG
738{
739 return 0;
740}
741
5c408ad8 742static inline
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743enum lttng_error_code ust_app_rotate_session(
744 struct ltt_session *session __attribute__((unused)))
5c408ad8 745{
7966af57 746 return LTTNG_ERR_UNK;
5c408ad8
JD
747}
748
d2956687
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749static inline
750enum lttng_error_code ust_app_create_channel_subdirectories(
f46376a1 751 const struct ltt_ust_session *session __attribute__((unused)))
d2956687 752{
7966af57 753 return LTTNG_ERR_UNK;
d2956687
JG
754}
755
75018ab6 756static inline
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757int ust_app_release_object(struct ust_app *app __attribute__((unused)),
758 struct lttng_ust_abi_object_data *data __attribute__((unused)))
75018ab6
JG
759{
760 return 0;
761}
762
4a9b9759 763static inline
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764enum lttng_error_code ust_app_clear_session(
765 struct ltt_session *session __attribute__((unused)))
4a9b9759 766{
7966af57 767 return LTTNG_ERR_UNK;
4a9b9759
MD
768}
769
04ed9e10 770static inline
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771enum lttng_error_code ust_app_open_packets(
772 struct ltt_session *session __attribute__((unused)))
04ed9e10 773{
7966af57 774 return LTTNG_ERR_UNK;
04ed9e10
JG
775}
776
74d0b642 777#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081 778
f6a9efaa 779#endif /* _LTT_UST_APP_H */
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