Commit | Line | Data |
---|---|---|
00c76cea | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
00c76cea | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
00c76cea | 5 | * |
00c76cea JG |
6 | */ |
7 | ||
6c1c0768 | 8 | #define _LGPL_SOURCE |
00c76cea JG |
9 | #include <string.h> |
10 | ||
11 | #include <lttng/lttng-error.h> | |
12 | #include <lttng/save.h> | |
13 | #include <lttng/save-internal.h> | |
14 | #include <common/sessiond-comm/sessiond-comm.h> | |
15 | ||
16 | #include "lttng-ctl-helper.h" | |
17 | ||
18 | struct lttng_save_session_attr *lttng_save_session_attr_create(void) | |
19 | { | |
4bd69c5f | 20 | return (lttng_save_session_attr *) zmalloc(sizeof(struct lttng_save_session_attr)); |
00c76cea JG |
21 | } |
22 | ||
23 | void lttng_save_session_attr_destroy(struct lttng_save_session_attr *output) | |
24 | { | |
25 | if (output) { | |
26 | free(output); | |
27 | } | |
28 | } | |
29 | ||
30 | const char *lttng_save_session_attr_get_session_name( | |
31 | struct lttng_save_session_attr *attr) | |
32 | { | |
33 | const char *ret = NULL; | |
34 | ||
35 | if (attr && attr->session_name[0]) { | |
36 | ret = attr->session_name; | |
37 | } | |
38 | ||
39 | return ret; | |
40 | } | |
41 | ||
42 | const char *lttng_save_session_attr_get_output_url( | |
43 | struct lttng_save_session_attr *attr) | |
44 | { | |
45 | const char *ret = NULL; | |
46 | ||
47 | if (attr && attr->configuration_url[0]) { | |
48 | ret = attr->configuration_url; | |
49 | } | |
50 | ||
51 | return ret; | |
52 | } | |
53 | ||
54 | int lttng_save_session_attr_get_overwrite( | |
55 | struct lttng_save_session_attr *attr) | |
56 | { | |
57 | return attr ? attr->overwrite : -LTTNG_ERR_INVALID; | |
58 | } | |
59 | ||
30f9c327 JG |
60 | int lttng_save_session_attr_get_omit_name( |
61 | struct lttng_save_session_attr *attr) | |
62 | { | |
63 | return attr ? attr->omit_name : -LTTNG_ERR_INVALID; | |
64 | } | |
65 | ||
66 | int lttng_save_session_attr_get_omit_output( | |
67 | struct lttng_save_session_attr *attr) | |
68 | { | |
69 | return attr ? attr->omit_output : -LTTNG_ERR_INVALID; | |
70 | } | |
71 | ||
00c76cea JG |
72 | int lttng_save_session_attr_set_session_name( |
73 | struct lttng_save_session_attr *attr, const char *session_name) | |
74 | { | |
75 | int ret = 0; | |
76 | ||
77 | if (!attr) { | |
78 | ret = -LTTNG_ERR_INVALID; | |
79 | goto error; | |
80 | } | |
81 | ||
82 | if (session_name) { | |
83 | size_t len; | |
84 | ||
85 | len = strlen(session_name); | |
36d2e35d | 86 | if (len >= LTTNG_NAME_MAX) { |
00c76cea JG |
87 | ret = -LTTNG_ERR_INVALID; |
88 | goto error; | |
89 | } | |
90 | ||
3716477e JG |
91 | ret = lttng_strncpy(attr->session_name, session_name, |
92 | sizeof(attr->session_name)); | |
93 | if (ret) { | |
94 | ret = -LTTNG_ERR_INVALID; | |
95 | goto error; | |
96 | } | |
00c76cea JG |
97 | } else { |
98 | attr->session_name[0] = '\0'; | |
99 | } | |
100 | error: | |
101 | return ret; | |
102 | } | |
103 | ||
104 | int lttng_save_session_attr_set_output_url( | |
105 | struct lttng_save_session_attr *attr, const char *url) | |
106 | { | |
107 | int ret = 0; | |
106d4b46 JRJ |
108 | size_t len; |
109 | ssize_t size; | |
b1a95f61 | 110 | struct lttng_uri *uris = NULL; |
00c76cea JG |
111 | |
112 | if (!attr) { | |
113 | ret = -LTTNG_ERR_INVALID; | |
114 | goto error; | |
115 | } | |
116 | ||
b1a95f61 DG |
117 | if (!url) { |
118 | attr->configuration_url[0] = '\0'; | |
119 | ret = 0; | |
120 | goto end; | |
121 | } | |
00c76cea | 122 | |
b1a95f61 DG |
123 | len = strlen(url); |
124 | if (len >= PATH_MAX) { | |
125 | ret = -LTTNG_ERR_INVALID; | |
126 | goto error; | |
127 | } | |
00c76cea | 128 | |
b1a95f61 DG |
129 | size = uri_parse_str_urls(url, NULL, &uris); |
130 | if (size <= 0 || uris[0].dtype != LTTNG_DST_PATH) { | |
131 | ret = -LTTNG_ERR_INVALID; | |
132 | goto error; | |
00c76cea | 133 | } |
b1a95f61 DG |
134 | |
135 | /* Copy string plus the NULL terminated byte. */ | |
e1b624d0 JG |
136 | ret = lttng_strncpy(attr->configuration_url, uris[0].dst.path, |
137 | sizeof(attr->configuration_url)); | |
138 | if (ret) { | |
139 | ret = -LTTNG_ERR_INVALID; | |
140 | goto error; | |
141 | } | |
b1a95f61 DG |
142 | |
143 | end: | |
00c76cea | 144 | error: |
b1a95f61 | 145 | free(uris); |
00c76cea JG |
146 | return ret; |
147 | } | |
148 | ||
149 | int lttng_save_session_attr_set_overwrite( | |
150 | struct lttng_save_session_attr *attr, int overwrite) | |
151 | { | |
152 | int ret = 0; | |
153 | ||
154 | if (!attr) { | |
155 | ret = -LTTNG_ERR_INVALID; | |
156 | goto end; | |
157 | } | |
158 | ||
159 | attr->overwrite = !!overwrite; | |
160 | end: | |
161 | return ret; | |
162 | } | |
163 | ||
30f9c327 JG |
164 | int lttng_save_session_attr_set_omit_name( |
165 | struct lttng_save_session_attr *attr, int omit_name) | |
166 | { | |
167 | int ret = 0; | |
168 | ||
169 | if (!attr) { | |
170 | ret = -LTTNG_ERR_INVALID; | |
171 | goto end; | |
172 | } | |
173 | ||
174 | attr->omit_name = !!omit_name; | |
175 | end: | |
176 | return ret; | |
177 | } | |
178 | ||
179 | int lttng_save_session_attr_set_omit_output( | |
180 | struct lttng_save_session_attr *attr, int omit_output) | |
181 | { | |
182 | int ret = 0; | |
183 | ||
184 | if (!attr) { | |
185 | ret = -LTTNG_ERR_INVALID; | |
186 | goto end; | |
187 | } | |
188 | ||
189 | attr->omit_output = !!omit_output; | |
190 | end: | |
191 | return ret; | |
192 | } | |
193 | ||
00c76cea JG |
194 | /* |
195 | * The lttng-ctl API does not expose all the information needed to save the | |
196 | * session configurations. Thus, we must send a save command to the session | |
197 | * daemon which will, in turn, save its current session configuration. | |
198 | */ | |
199 | int lttng_save_session(struct lttng_save_session_attr *attr) | |
200 | { | |
201 | struct lttcomm_session_msg lsm; | |
202 | int ret; | |
203 | ||
204 | if (!attr) { | |
205 | ret = -LTTNG_ERR_INVALID; | |
206 | goto end; | |
207 | } | |
208 | ||
209 | memset(&lsm, 0, sizeof(lsm)); | |
210 | lsm.cmd_type = LTTNG_SAVE_SESSION; | |
211 | ||
212 | memcpy(&lsm.u.save_session.attr, attr, | |
213 | sizeof(struct lttng_save_session_attr)); | |
214 | ret = lttng_ctl_ask_sessiond(&lsm, NULL); | |
215 | end: | |
216 | return ret; | |
217 | } |