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 "filter.h"
  23 #include "session.h"
  24
  25 /*
  26  * Init the command subsystem. Must be called before using any of the functions
  27  * above. This is called in the main() of the session daemon.
  28  */
  29 void cmd_init(void);
  30
  31 /* Session commands */
  32 int cmd_create_session_uri(char *name, struct lttng_uri *uris,
  33                 size_t nb_uri, lttng_sock_cred *creds);
  34 int cmd_destroy_session(struct ltt_session *session, int wpipe);
  35
  36 /* Channel commands */
  37 int cmd_disable_channel(struct ltt_session *session, int domain,
  38                 char *channel_name);
  39 int cmd_enable_channel(struct ltt_session *session, int domain,
  40                 struct lttng_channel *attr, int wpipe);
  41
  42 /* Event commands */
  43 int cmd_disable_event(struct ltt_session *session, int domain,
  44                 char *channel_name, char *event_name);
  45 int cmd_disable_event_all(struct ltt_session *session, int domain,
  46                 char *channel_name);
  47 int cmd_add_context(struct ltt_session *session, int domain,
  48                 char *channel_name, char *event_name, struct lttng_event_context *ctx);
  49 int cmd_set_filter(struct ltt_session *session, int domain,
  50                 char *channel_name, char *event_name,
  51                 struct lttng_filter_bytecode *bytecode);
  52 int cmd_enable_event(struct ltt_session *session, int domain,
  53                 char *channel_name, struct lttng_event *event, int wpipe);
  54 int cmd_enable_event_all(struct ltt_session *session, int domain,
  55                 char *channel_name, int event_type, int wpipe);
  56
  57 /* Trace session action commands */
  58 int cmd_start_trace(struct ltt_session *session);
  59 int cmd_stop_trace(struct ltt_session *session);
  60
  61 /* Consumer commands */
  62 int cmd_register_consumer(struct ltt_session *session, int domain,
  63                 const char *sock_path, struct consumer_data *cdata);
  64 int cmd_disable_consumer(int domain, struct ltt_session *session);
  65 int cmd_enable_consumer(int domain, struct ltt_session *session);
  66 int cmd_set_consumer_uri(int domain, struct ltt_session *session,
  67                 size_t nb_uri, struct lttng_uri *uris);
  68
  69 /* Listing commands */
  70 ssize_t cmd_list_domains(struct ltt_session *session,
  71                 struct lttng_domain **domains);
  72 ssize_t cmd_list_events(int domain, struct ltt_session *session,
  73                 char *channel_name, struct lttng_event **events);
  74 ssize_t cmd_list_channels(int domain, struct ltt_session *session,
  75                 struct lttng_channel **channels);
  76 ssize_t cmd_list_domains(struct ltt_session *session,
  77                 struct lttng_domain **domains);
  78 void cmd_list_lttng_sessions(struct lttng_session *sessions, uid_t uid,
  79                 gid_t gid);
  80 ssize_t cmd_list_tracepoint_fields(int domain,
  81                 struct lttng_event_field **fields);
  82 ssize_t cmd_list_tracepoints(int domain, struct lttng_event **events);
  83
  84 int cmd_calibrate(int domain, struct lttng_calibrate *calibrate);
  85 int cmd_data_available(struct ltt_session *session);
  86
  87 #endif /* CMD_H */