src/bin/lttng-sessiond/cmd.h

   1 /*
   2  * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License, version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program; if not, write to the Free Software Foundation, Inc., 51
  15  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef CMD_H
  19 #define CMD_H
  20
  21 #include "context.h"
  22 #include "session.h"
  23
  24 /*
  25  * Init the command subsystem. Must be called before using any of the functions
  26  * above. This is called in the main() of the session daemon.
  27  */
  28 void cmd_init(void);
  29
  30 /* Session commands */
  31 int cmd_create_session_uri(char *name, struct lttng_uri *uris,
  32                 size_t nb_uri, lttng_sock_cred *creds, unsigned int live_timer);
  33 int cmd_create_session_snapshot(char *name, struct lttng_uri *uris,
  34                 size_t nb_uri, lttng_sock_cred *creds);
  35 int cmd_destroy_session(struct ltt_session *session, int wpipe);
  36
  37 /* Channel commands */
  38 int cmd_disable_channel(struct ltt_session *session, int domain,
  39                 char *channel_name);
  40
  41 int cmd_enable_channel(struct ltt_session *session,
  42                 struct lttng_domain *domain, struct lttng_channel *attr, int wpipe);
  43
  44 /* Event commands */
  45 int cmd_disable_event(struct ltt_session *session, int domain,
  46                 char *channel_name, char *event_name);
  47 int cmd_disable_event_all(struct ltt_session *session, int domain,
  48                 char *channel_name);
  49 int cmd_add_context(struct ltt_session *session, int domain,
  50                 char *channel_name, struct lttng_event_context *ctx, int kwpipe);
  51 int cmd_set_filter(struct ltt_session *session, int domain,
  52                 char *channel_name, struct lttng_event *event,
  53                 struct lttng_filter_bytecode *bytecode);
  54 int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
  55                 char *channel_name, struct lttng_event *event,
  56                 char *filter_expression,
  57                 struct lttng_filter_bytecode *filter,
  58                 struct lttng_event_exclusion *exclusion,
  59                 int wpipe);
  60 int cmd_enable_event_all(struct ltt_session *session,
  61                 struct lttng_domain *domain, char *channel_name, int event_type,
  62                 char *filter_expression,
  63                 struct lttng_filter_bytecode *filter, int wpipe);
  64
  65 /* Trace session action commands */
  66 int cmd_start_trace(struct ltt_session *session);
  67 int cmd_stop_trace(struct ltt_session *session);
  68
  69 /* Consumer commands */
  70 int cmd_register_consumer(struct ltt_session *session, int domain,
  71                 const char *sock_path, struct consumer_data *cdata);
  72 int cmd_set_consumer_uri(int domain, struct ltt_session *session,
  73                 size_t nb_uri, struct lttng_uri *uris);
  74 int cmd_setup_relayd(struct ltt_session *session);
  75
  76 /* Listing commands */
  77 ssize_t cmd_list_domains(struct ltt_session *session,
  78                 struct lttng_domain **domains);
  79 ssize_t cmd_list_events(int domain, struct ltt_session *session,
  80                 char *channel_name, struct lttng_event **events);
  81 ssize_t cmd_list_channels(int domain, struct ltt_session *session,
  82                 struct lttng_channel **channels);
  83 ssize_t cmd_list_domains(struct ltt_session *session,
  84                 struct lttng_domain **domains);
  85 void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid,
  86                 gid_t gid);
  87 ssize_t cmd_list_tracepoint_fields(int domain,
  88                 struct lttng_event_field **fields);
  89 ssize_t cmd_list_tracepoints(int domain, struct lttng_event **events);
  90 ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
  91                 struct lttng_snapshot_output **outputs);
  92
  93 int cmd_calibrate(int domain, struct lttng_calibrate *calibrate);
  94 int cmd_data_pending(struct ltt_session *session);
  95
  96 /* Snapshot */
  97 int cmd_snapshot_add_output(struct ltt_session *session,
  98                 struct lttng_snapshot_output *output, uint32_t *id);
  99 int cmd_snapshot_del_output(struct ltt_session *session,
 100                 struct lttng_snapshot_output *output);
 101 int cmd_snapshot_record(struct ltt_session *session,
 102                 struct lttng_snapshot_output *output, int wait);
 103
 104 #endif /* CMD_H */