centralize sessiond config option handling
[lttng-tools.git] / src / bin / lttng-sessiond / sessiond-config.h
1 /*
2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 #ifndef LTTNG_SESSIOND_CONFIG_H
19 #define LTTNG_SESSIOND_CONFIG_H
20
21 #include <common/macros.h>
22 #include <stdbool.h>
23
24 struct config_string {
25 char *value;
26 bool should_free;
27 };
28
29 /* Config string takes ownership of value. */
30 LTTNG_HIDDEN
31 void config_string_set(struct config_string *string, char *value);
32
33 struct sessiond_config {
34 int verbose;
35 int verbose_consumer;
36 /* Agent TCP port for registration. Used by the agent thread. */
37 int agent_tcp_port;
38 /* Socket timeout for receiving and sending (in seconds). */
39 int app_socket_timeout;
40
41 bool quiet;
42 bool no_kernel;
43 bool background;
44 bool daemonize;
45 bool sig_parent;
46
47 struct config_string tracing_group_name;
48
49 struct config_string kmod_probes_list;
50 struct config_string kmod_extra_probes_list;
51
52 struct config_string rundir;
53
54 /* Global application Unix socket path */
55 struct config_string apps_unix_sock_path;
56 /* Global client Unix socket path */
57 struct config_string client_unix_sock_path;
58 /* Global wait shm path for UST */
59 struct config_string wait_shm_path;
60 /* Global health check unix path */
61 struct config_string health_unix_sock_path;
62 /*
63 * LTTNG_UST_CLOCK_PLUGIN environment variable to be passed to spawned
64 * consumer daemons.
65 */
66 struct config_string lttng_ust_clock_plugin;
67 struct config_string pid_file_path;
68 struct config_string lock_file_path;
69 struct config_string load_session_path;
70 struct config_string agent_port_file_path;
71
72 struct config_string consumerd32_path;
73 struct config_string consumerd32_bin_path;
74 struct config_string consumerd32_lib_dir;
75 struct config_string consumerd32_err_unix_sock_path;
76 struct config_string consumerd32_cmd_unix_sock_path;
77
78 struct config_string consumerd64_path;
79 struct config_string consumerd64_bin_path;
80 struct config_string consumerd64_lib_dir;
81 struct config_string consumerd64_err_unix_sock_path;
82 struct config_string consumerd64_cmd_unix_sock_path;
83
84 struct config_string kconsumerd_path;
85 struct config_string kconsumerd_err_unix_sock_path;
86 struct config_string kconsumerd_cmd_unix_sock_path;
87 };
88
89 /* Initialize the sessiond_config values to build-defaults. */
90 LTTNG_HIDDEN
91 int sessiond_config_init(struct sessiond_config *config);
92
93 /* Override sessiond_config values with values specified by the environment. */
94 LTTNG_HIDDEN
95 int sessiond_config_apply_env_config(struct sessiond_config *config);
96
97 LTTNG_HIDDEN
98 void sessiond_config_fini(struct sessiond_config *config);
99
100 LTTNG_HIDDEN
101 int sessiond_config_resolve_paths(struct sessiond_config *config);
102
103 LTTNG_HIDDEN
104 void sessiond_config_log(struct sessiond_config *config);
105
106 #endif /* LTTNG_SESSIOND_CONFIG_H */
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