X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.h;h=d376aee1e45e81b68b0ffff289fdce36c19ffbbb;hp=49e9992ccc8f09cb4b05e5514a9f341310e5910e;hb=fbc9f37df245d544a7705ba576297df791220b44;hpb=d68c9a04537b683991a7355b812b0af954008cf1 diff --git a/src/bin/lttng-sessiond/cmd.h b/src/bin/lttng-sessiond/cmd.h index 49e9992cc..d376aee1e 100644 --- a/src/bin/lttng-sessiond/cmd.h +++ b/src/bin/lttng-sessiond/cmd.h @@ -1,28 +1,35 @@ /* - * Copyright (C) 2012 - David Goulet + * Copyright (C) 2012 David Goulet * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License, version 2 only, as - * published by the Free Software Foundation. + * SPDX-License-Identifier: GPL-2.0-only * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 51 - * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef CMD_H #define CMD_H #include "context.h" +#include "lttng-sessiond.h" +#include "lttng/tracker.h" #include "session.h" +#include struct notification_thread_handle; +/* + * A callback (and associated user data) that should be run after a command + * has been executed. No locks should be taken while executing this handler. + * + * The command's reply should not be sent until the handler has run and + * completed successfully. On failure, the handler's return code should + * be the only reply sent to the client. + */ +typedef enum lttng_error_code (*completion_handler_function)(void *); +struct cmd_completion_handler { + completion_handler_function run; + void *data; +}; + /* * Init the command subsystem. Must be called before using any of the functions * above. This is called in the main() of the session daemon. @@ -30,34 +37,57 @@ struct notification_thread_handle; void cmd_init(void); /* Session commands */ -int cmd_create_session_uri(char *name, struct lttng_uri *uris, - size_t nb_uri, lttng_sock_cred *creds, unsigned int live_timer); -int cmd_create_session_snapshot(char *name, struct lttng_uri *uris, - size_t nb_uri, lttng_sock_cred *creds); -int cmd_destroy_session(struct ltt_session *session, int wpipe); +enum lttng_error_code cmd_create_session(struct command_ctx *cmd_ctx, int sock, + struct lttng_session_descriptor **return_descriptor); +int cmd_destroy_session(struct ltt_session *session, + struct notification_thread_handle *notification_thread_handle, + int *sock_fd); /* Channel commands */ int cmd_disable_channel(struct ltt_session *session, enum lttng_domain_type domain, char *channel_name); int cmd_enable_channel(struct ltt_session *session, - struct lttng_domain *domain, struct lttng_channel *attr, + const struct lttng_domain *domain, const struct lttng_channel *attr, int wpipe); -int cmd_track_pid(struct ltt_session *session, enum lttng_domain_type domain, - int pid); -int cmd_untrack_pid(struct ltt_session *session, enum lttng_domain_type domain, - int pid); + +/* Process attribute tracker commands */ +enum lttng_error_code cmd_process_attr_tracker_get_tracking_policy( + struct ltt_session *session, + enum lttng_domain_type domain, + enum lttng_process_attr process_attr, + enum lttng_tracking_policy *policy); +enum lttng_error_code cmd_process_attr_tracker_set_tracking_policy( + struct ltt_session *session, + enum lttng_domain_type domain, + enum lttng_process_attr process_attr, + enum lttng_tracking_policy policy); +enum lttng_error_code cmd_process_attr_tracker_inclusion_set_add_value( + struct ltt_session *session, + enum lttng_domain_type domain, + enum lttng_process_attr process_attr, + const struct process_attr_value *value); +enum lttng_error_code cmd_process_attr_tracker_inclusion_set_remove_value( + struct ltt_session *session, + enum lttng_domain_type domain, + enum lttng_process_attr process_attr, + const struct process_attr_value *value); +enum lttng_error_code cmd_process_attr_tracker_get_inclusion_set( + struct ltt_session *session, + enum lttng_domain_type domain, + enum lttng_process_attr process_attr, + struct lttng_process_attr_values **values); /* Event commands */ int cmd_disable_event(struct ltt_session *session, enum lttng_domain_type domain, - char *channel_name, - struct lttng_event *event); + const char *channel_name, + const struct lttng_event *event); int cmd_add_context(struct ltt_session *session, enum lttng_domain_type domain, - char *channel_name, struct lttng_event_context *ctx, int kwpipe); + char *channel_name, const struct lttng_event_context *ctx, int kwpipe); int cmd_set_filter(struct ltt_session *session, enum lttng_domain_type domain, char *channel_name, struct lttng_event *event, struct lttng_filter_bytecode *bytecode); -int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain, +int cmd_enable_event(struct ltt_session *session, const struct lttng_domain *domain, char *channel_name, struct lttng_event *event, char *filter_expression, struct lttng_filter_bytecode *filter, @@ -81,13 +111,13 @@ ssize_t cmd_list_domains(struct ltt_session *session, struct lttng_domain **domains); ssize_t cmd_list_events(enum lttng_domain_type domain, struct ltt_session *session, char *channel_name, - struct lttng_event **events, size_t *total_size); + struct lttng_payload *payload); ssize_t cmd_list_channels(enum lttng_domain_type domain, struct ltt_session *session, struct lttng_channel **channels); ssize_t cmd_list_domains(struct ltt_session *session, struct lttng_domain **domains); -void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid, - gid_t gid); +void cmd_list_lttng_sessions(struct lttng_session *sessions, + size_t session_count, uid_t uid, gid_t gid); ssize_t cmd_list_tracepoint_fields(enum lttng_domain_type domain, struct lttng_event_field **fields); ssize_t cmd_list_tracepoints(enum lttng_domain_type domain, @@ -95,18 +125,16 @@ ssize_t cmd_list_tracepoints(enum lttng_domain_type domain, ssize_t cmd_snapshot_list_outputs(struct ltt_session *session, struct lttng_snapshot_output **outputs); ssize_t cmd_list_syscalls(struct lttng_event **events); -ssize_t cmd_list_tracker_pids(struct ltt_session *session, - enum lttng_domain_type domain, int32_t **pids); int cmd_data_pending(struct ltt_session *session); /* Snapshot */ int cmd_snapshot_add_output(struct ltt_session *session, - struct lttng_snapshot_output *output, uint32_t *id); + const struct lttng_snapshot_output *output, uint32_t *id); int cmd_snapshot_del_output(struct ltt_session *session, - struct lttng_snapshot_output *output); + const struct lttng_snapshot_output *output); int cmd_snapshot_record(struct ltt_session *session, - struct lttng_snapshot_output *output, int wait); + const struct lttng_snapshot_output *output, int wait); int cmd_set_session_shm_path(struct ltt_session *session, const char *shm_path); @@ -114,16 +142,29 @@ int cmd_regenerate_metadata(struct ltt_session *session); int cmd_regenerate_statedump(struct ltt_session *session); int cmd_register_trigger(struct command_ctx *cmd_ctx, int sock, - struct notification_thread_handle *notification_thread_handle); + struct notification_thread_handle *notification_thread_handle, + struct lttng_trigger **return_trigger); int cmd_unregister_trigger(struct command_ctx *cmd_ctx, int sock, struct notification_thread_handle *notification_thread_handle); +int cmd_list_triggers(struct command_ctx *cmd_ctx, + struct notification_thread_handle *notification_thread_handle, + struct lttng_triggers **return_triggers); + int cmd_rotate_session(struct ltt_session *session, - struct lttng_rotate_session_return *rotate_return); + struct lttng_rotate_session_return *rotate_return, + bool quiet_rotation, + enum lttng_trace_chunk_command_type command); int cmd_rotate_get_info(struct ltt_session *session, struct lttng_rotation_get_info_return *info_return, uint64_t rotate_id); -int cmd_session_get_current_output(struct ltt_session *session, - struct lttng_session_get_current_output_return *output_return); +int cmd_rotation_set_schedule(struct ltt_session *session, + bool activate, enum lttng_rotation_schedule_type schedule_type, + uint64_t value, + struct notification_thread_handle *notification_thread_handle); + +const struct cmd_completion_handler *cmd_pop_completion_handler(void); +int start_kernel_session(struct ltt_kernel_session *ksess); +int stop_kernel_session(struct ltt_kernel_session *ksess); #endif /* CMD_H */