src/bin/lttng-sessiond/sessiond-config.hpp

   1 /*
   2  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_SESSIOND_CONFIG_H
   9 #define LTTNG_SESSIOND_CONFIG_H
  10
  11 #include <common/macros.hpp>
  12 #include <stdbool.h>
  13
  14 struct config_string {
  15         char *value;
  16         bool should_free;
  17 };
  18
  19 struct config_int_range {
  20         int begin, end;
  21 };
  22
  23 /* Config string takes ownership of value. */
  24 void config_string_set(struct config_string *string, char *value);
  25
  26 struct sessiond_config {
  27         int verbose;
  28         int verbose_consumer;
  29         /* Agent TCP port range for registration. Used by the agent thread. */
  30         struct config_int_range agent_tcp_port;
  31
  32         int event_notifier_buffer_size_kernel;
  33         int event_notifier_buffer_size_userspace;
  34         /* Socket timeout for receiving and sending (in seconds). */
  35         int app_socket_timeout;
  36
  37         bool quiet;
  38         bool no_kernel;
  39         bool background;
  40         bool daemonize;
  41         bool sig_parent;
  42
  43         struct config_string tracing_group_name;
  44
  45         struct config_string kmod_probes_list;
  46         struct config_string kmod_extra_probes_list;
  47
  48         struct config_string rundir;
  49
  50         /* Global application Unix socket path */
  51         struct config_string apps_unix_sock_path;
  52         /* Global client Unix socket path */
  53         struct config_string client_unix_sock_path;
  54         /* Global wait shm path for UST */
  55         struct config_string wait_shm_path;
  56         /* Global health check unix path */
  57         struct config_string health_unix_sock_path;
  58         /*
  59          * LTTNG_UST_CLOCK_PLUGIN environment variable to be passed to spawned
  60          * consumer daemons.
  61          */
  62         struct config_string lttng_ust_clock_plugin;
  63         struct config_string pid_file_path;
  64         struct config_string lock_file_path;
  65         struct config_string load_session_path;
  66         struct config_string agent_port_file_path;
  67
  68         struct config_string consumerd32_path;
  69         struct config_string consumerd32_bin_path;
  70         struct config_string consumerd32_lib_dir;
  71         struct config_string consumerd32_err_unix_sock_path;
  72         struct config_string consumerd32_cmd_unix_sock_path;
  73
  74         struct config_string consumerd64_path;
  75         struct config_string consumerd64_bin_path;
  76         struct config_string consumerd64_lib_dir;
  77         struct config_string consumerd64_err_unix_sock_path;
  78         struct config_string consumerd64_cmd_unix_sock_path;
  79
  80         struct config_string kconsumerd_path;
  81         struct config_string kconsumerd_err_unix_sock_path;
  82         struct config_string kconsumerd_cmd_unix_sock_path;
  83 };
  84
  85 /* Initialize the sessiond_config values to build-defaults. */
  86 int sessiond_config_init(struct sessiond_config *config);
  87
  88 /* Override sessiond_config values with values specified by the environment. */
  89 int sessiond_config_apply_env_config(struct sessiond_config *config);
  90
  91 void sessiond_config_fini(struct sessiond_config *config);
  92
  93 int sessiond_config_resolve_paths(struct sessiond_config *config);
  94
  95 void sessiond_config_log(struct sessiond_config *config);
  96
  97 #endif /* LTTNG_SESSIOND_CONFIG_H */