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 |
28ab034a JG |
9 | #include "lttng-ctl-helper.hpp" |
10 | ||
11 | #include <common/sessiond-comm/sessiond-comm.hpp> | |
00c76cea JG |
12 | |
13 | #include <lttng/lttng-error.h> | |
c9e313bc | 14 | #include <lttng/save-internal.hpp> |
28ab034a | 15 | #include <lttng/save.h> |
00c76cea | 16 | |
28ab034a | 17 | #include <string.h> |
00c76cea JG |
18 | |
19 | struct lttng_save_session_attr *lttng_save_session_attr_create(void) | |
20 | { | |
64803277 | 21 | return zmalloc<lttng_save_session_attr>(); |
00c76cea JG |
22 | } |
23 | ||
24 | void lttng_save_session_attr_destroy(struct lttng_save_session_attr *output) | |
25 | { | |
26 | if (output) { | |
27 | free(output); | |
28 | } | |
29 | } | |
30 | ||
28ab034a | 31 | const char *lttng_save_session_attr_get_session_name(struct lttng_save_session_attr *attr) |
00c76cea | 32 | { |
cd9adb8b | 33 | const char *ret = nullptr; |
00c76cea JG |
34 | |
35 | if (attr && attr->session_name[0]) { | |
36 | ret = attr->session_name; | |
37 | } | |
38 | ||
39 | return ret; | |
40 | } | |
41 | ||
28ab034a | 42 | const char *lttng_save_session_attr_get_output_url(struct lttng_save_session_attr *attr) |
00c76cea | 43 | { |
cd9adb8b | 44 | const char *ret = nullptr; |
00c76cea JG |
45 | |
46 | if (attr && attr->configuration_url[0]) { | |
47 | ret = attr->configuration_url; | |
48 | } | |
49 | ||
50 | return ret; | |
51 | } | |
52 | ||
28ab034a | 53 | int lttng_save_session_attr_get_overwrite(struct lttng_save_session_attr *attr) |
00c76cea JG |
54 | { |
55 | return attr ? attr->overwrite : -LTTNG_ERR_INVALID; | |
56 | } | |
57 | ||
28ab034a | 58 | int lttng_save_session_attr_get_omit_name(struct lttng_save_session_attr *attr) |
30f9c327 JG |
59 | { |
60 | return attr ? attr->omit_name : -LTTNG_ERR_INVALID; | |
61 | } | |
62 | ||
28ab034a | 63 | int lttng_save_session_attr_get_omit_output(struct lttng_save_session_attr *attr) |
30f9c327 JG |
64 | { |
65 | return attr ? attr->omit_output : -LTTNG_ERR_INVALID; | |
66 | } | |
67 | ||
28ab034a JG |
68 | int lttng_save_session_attr_set_session_name(struct lttng_save_session_attr *attr, |
69 | const char *session_name) | |
00c76cea JG |
70 | { |
71 | int ret = 0; | |
72 | ||
73 | if (!attr) { | |
74 | ret = -LTTNG_ERR_INVALID; | |
75 | goto error; | |
76 | } | |
77 | ||
78 | if (session_name) { | |
79 | size_t len; | |
80 | ||
81 | len = strlen(session_name); | |
36d2e35d | 82 | if (len >= LTTNG_NAME_MAX) { |
00c76cea JG |
83 | ret = -LTTNG_ERR_INVALID; |
84 | goto error; | |
85 | } | |
86 | ||
28ab034a | 87 | ret = lttng_strncpy(attr->session_name, session_name, sizeof(attr->session_name)); |
3716477e JG |
88 | if (ret) { |
89 | ret = -LTTNG_ERR_INVALID; | |
90 | goto error; | |
91 | } | |
00c76cea JG |
92 | } else { |
93 | attr->session_name[0] = '\0'; | |
94 | } | |
95 | error: | |
96 | return ret; | |
97 | } | |
98 | ||
28ab034a | 99 | int lttng_save_session_attr_set_output_url(struct lttng_save_session_attr *attr, const char *url) |
00c76cea JG |
100 | { |
101 | int ret = 0; | |
106d4b46 JRJ |
102 | size_t len; |
103 | ssize_t size; | |
cd9adb8b | 104 | struct lttng_uri *uris = nullptr; |
00c76cea JG |
105 | |
106 | if (!attr) { | |
107 | ret = -LTTNG_ERR_INVALID; | |
108 | goto error; | |
109 | } | |
110 | ||
b1a95f61 DG |
111 | if (!url) { |
112 | attr->configuration_url[0] = '\0'; | |
113 | ret = 0; | |
114 | goto end; | |
115 | } | |
00c76cea | 116 | |
b1a95f61 DG |
117 | len = strlen(url); |
118 | if (len >= PATH_MAX) { | |
119 | ret = -LTTNG_ERR_INVALID; | |
120 | goto error; | |
121 | } | |
00c76cea | 122 | |
cd9adb8b | 123 | size = uri_parse_str_urls(url, nullptr, &uris); |
b1a95f61 DG |
124 | if (size <= 0 || uris[0].dtype != LTTNG_DST_PATH) { |
125 | ret = -LTTNG_ERR_INVALID; | |
126 | goto error; | |
00c76cea | 127 | } |
b1a95f61 DG |
128 | |
129 | /* Copy string plus the NULL terminated byte. */ | |
28ab034a JG |
130 | ret = lttng_strncpy( |
131 | attr->configuration_url, uris[0].dst.path, sizeof(attr->configuration_url)); | |
e1b624d0 JG |
132 | if (ret) { |
133 | ret = -LTTNG_ERR_INVALID; | |
134 | goto error; | |
135 | } | |
b1a95f61 DG |
136 | |
137 | end: | |
00c76cea | 138 | error: |
b1a95f61 | 139 | free(uris); |
00c76cea JG |
140 | return ret; |
141 | } | |
142 | ||
28ab034a | 143 | int lttng_save_session_attr_set_overwrite(struct lttng_save_session_attr *attr, int overwrite) |
00c76cea JG |
144 | { |
145 | int ret = 0; | |
146 | ||
147 | if (!attr) { | |
148 | ret = -LTTNG_ERR_INVALID; | |
149 | goto end; | |
150 | } | |
151 | ||
152 | attr->overwrite = !!overwrite; | |
153 | end: | |
154 | return ret; | |
155 | } | |
156 | ||
28ab034a | 157 | int lttng_save_session_attr_set_omit_name(struct lttng_save_session_attr *attr, int omit_name) |
30f9c327 JG |
158 | { |
159 | int ret = 0; | |
160 | ||
161 | if (!attr) { | |
162 | ret = -LTTNG_ERR_INVALID; | |
163 | goto end; | |
164 | } | |
165 | ||
166 | attr->omit_name = !!omit_name; | |
167 | end: | |
168 | return ret; | |
169 | } | |
170 | ||
28ab034a | 171 | int lttng_save_session_attr_set_omit_output(struct lttng_save_session_attr *attr, int omit_output) |
30f9c327 JG |
172 | { |
173 | int ret = 0; | |
174 | ||
175 | if (!attr) { | |
176 | ret = -LTTNG_ERR_INVALID; | |
177 | goto end; | |
178 | } | |
179 | ||
180 | attr->omit_output = !!omit_output; | |
181 | end: | |
182 | return ret; | |
183 | } | |
184 | ||
00c76cea JG |
185 | /* |
186 | * The lttng-ctl API does not expose all the information needed to save the | |
187 | * session configurations. Thus, we must send a save command to the session | |
188 | * daemon which will, in turn, save its current session configuration. | |
189 | */ | |
190 | int lttng_save_session(struct lttng_save_session_attr *attr) | |
191 | { | |
192 | struct lttcomm_session_msg lsm; | |
193 | int ret; | |
194 | ||
195 | if (!attr) { | |
196 | ret = -LTTNG_ERR_INVALID; | |
197 | goto end; | |
198 | } | |
199 | ||
200 | memset(&lsm, 0, sizeof(lsm)); | |
37a5ef39 | 201 | lsm.cmd_type = LTTCOMM_SESSIOND_COMMAND_SAVE_SESSION; |
00c76cea | 202 | |
28ab034a | 203 | memcpy(&lsm.u.save_session.attr, attr, sizeof(struct lttng_save_session_attr)); |
cd9adb8b | 204 | ret = lttng_ctl_ask_sessiond(&lsm, nullptr); |
00c76cea JG |
205 | end: |
206 | return ret; | |
207 | } |