projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 9245bd0e DG |
1 | /* |
| 2 | * Copyright (C) 2014 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
| 3 | * David Goulet <dgoulet@efficios.com> | |
| 4 | * | |
| 5 | * This library is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
| 7 | * as published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
| 12 | * for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU Lesser General Public License | |
| 15 | * along with this library; if not, write to the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef LTTNG_LOAD_H | |
| 20 | #define LTTNG_LOAD_H | |
| 21 | ||
| 22 | #ifdef __cplusplus | |
| 23 | extern "C" { | |
| 24 | #endif | |
| 25 | ||
| 26 | /* | |
| 27 | * The lttng_load_session_attr object is opaque to the user. Use the helper | |
| 28 | * functions below to use them. | |
| 29 | */ | |
| 30 | struct lttng_load_session_attr; | |
| 31 | ||
| 32 | /* | |
| 33 | * Return a newly allocated load session attribute object or NULL on error. | |
| 34 | */ | |
| 35 | struct lttng_load_session_attr *lttng_load_session_attr_create(void); | |
| 36 | ||
| 37 | /* | |
| 38 | * Free a given load session attribute object. | |
| 39 | */ | |
| 40 | void lttng_load_session_attr_destroy(struct lttng_load_session_attr *attr); | |
| 41 | ||
| 42 | ||
| 43 | /* | |
| 44 | * Save session attribute getter family functions. | |
| 45 | */ | |
| 46 | ||
| 47 | /* Return session name. NULL indicated all sessions must be loadd. */ | |
| 48 | const char *lttng_load_session_attr_get_session_name( | |
| 49 | struct lttng_load_session_attr *attr); | |
| 50 | /* | |
| 51 | * Return destination URL. A NULL value indicates the default session | |
| 52 | * configuration location. The URL format used is documented in lttng(1). | |
| 53 | * NULL indicates that the default session configuration path is used. | |
| 54 | */ | |
| 55 | const char *lttng_load_session_attr_get_input_url( | |
| 56 | struct lttng_load_session_attr *attr); | |
| 57 | ||
| 58 | /* | |
| 59 | * Return the configuration overwrite attribute. This attribute indicates | |
| 60 | * whether or not existing configuration files must be overwritten. | |
| 61 | */ | |
| 62 | int lttng_load_session_attr_get_overwrite( | |
| 63 | struct lttng_load_session_attr *attr); | |
| 64 | ||
| 65 | /* | |
| 66 | * Save session attribute setter family functions. | |
| 67 | * | |
| 68 | * For every set* call, 0 is returned on success or else -LTTNG_ERR_INVALID is | |
| 69 | * returned indicating that at least one given parameter is invalid. | |
| 70 | */ | |
| 71 | ||
| 72 | /* | |
| 73 | * Set the name of the session to load. A NULL name means all sessions | |
| 74 | * known to the session daemon will be loadd. | |
| 75 | */ | |
| 76 | int lttng_load_session_attr_set_session_name( | |
| 77 | struct lttng_load_session_attr *attr, const char *session_name); | |
| 78 | ||
| 79 | /* | |
| 80 | * Set the URL of the session configuration to load. A NULL value indicates the | |
| 81 | * use of the default location being the session one. | |
| 82 | * | |
| 83 | * Note that file:// is the only supported URL format. | |
| 84 | */ | |
| 85 | int lttng_load_session_attr_set_input_url( | |
| 86 | struct lttng_load_session_attr *attr, const char *url); | |
| 87 | ||
| 88 | /* | |
| 89 | * Set the overwrite attribute. If set to true, files of the same name as the | |
| 90 | * current session configuration URL will be overwritten. | |
| 91 | */ | |
| 92 | int lttng_load_session_attr_set_overwrite( | |
| 93 | struct lttng_load_session_attr *attr, int overwrite); | |
| 94 | ||
| 95 | /* | |
| 96 | * Save session configuration(s). | |
| 97 | * | |
| 98 | * The lttng_load_session_attr object must not be NULL. No ownership of the | |
| 99 | * object is kept by the function; it must be released by the caller. | |
| 100 | * | |
| 101 | * Returns 0 on success or a negative LTTNG_ERR value on error. | |
| 102 | */ | |
| 103 | int lttng_load_session(struct lttng_load_session_attr *attr); | |
| 104 | ||
| 105 | #ifdef __cplusplus | |
| 106 | } | |
| 107 | #endif | |
| 108 | ||
| 109 | #endif /* LTTNG_LOAD_H */ |