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1 | /* |
2 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License, version 2 only, as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
18 | #ifndef _JUL_COMM | |
19 | #define _JUL_COMM | |
20 | ||
21 | #define _GNU_SOURCE | |
22 | #include <stdint.h> | |
23 | ||
24 | #include <lttng/lttng.h> | |
25 | ||
26 | /* | |
27 | * Command value pass in the header. | |
28 | */ | |
29 | enum lttcomm_jul_command { | |
30 | JUL_CMD_LIST = 1, | |
31 | JUL_CMD_ENABLE = 2, | |
32 | JUL_CMD_DISABLE = 3, | |
33 | }; | |
34 | ||
35 | /* | |
36 | * Return code from the Java agent. | |
37 | */ | |
38 | enum lttcomm_jul_ret_code { | |
39 | JUL_RET_CODE_SUCCESS = 1, | |
40 | JUL_RET_CODE_INVALID = 2, | |
41 | JUL_RET_CODE_UNKNOWN_NAME = 3, | |
42 | }; | |
43 | ||
44 | /* | |
45 | * JUL application communication header. | |
46 | */ | |
47 | struct lttcomm_jul_hdr { | |
48 | uint64_t data_size; /* data size following this header */ | |
49 | uint32_t cmd; /* Enum of JUL command. */ | |
50 | uint32_t cmd_version; /* command version */ | |
51 | } LTTNG_PACKED; | |
52 | ||
53 | /* | |
54 | * Enable event command payload. | |
55 | */ | |
56 | struct lttcomm_jul_enable { | |
b2064f54 DG |
57 | uint32_t loglevel; |
58 | uint32_t loglevel_type; | |
f20baf8e DG |
59 | char name[LTTNG_SYMBOL_NAME_LEN]; |
60 | } LTTNG_PACKED; | |
61 | ||
62 | /* | |
63 | * Disable event command payload. | |
64 | */ | |
65 | struct lttcomm_jul_disable { | |
66 | char name[LTTNG_SYMBOL_NAME_LEN]; | |
67 | } LTTNG_PACKED; | |
68 | ||
69 | /* | |
70 | * Generic reply coming from the Java Agent. | |
71 | */ | |
72 | struct lttcomm_jul_generic_reply { | |
73 | uint32_t ret_code; | |
74 | } LTTNG_PACKED; | |
75 | ||
76 | /* | |
77 | * List command reply header. | |
78 | */ | |
79 | struct lttcomm_jul_list_reply_hdr { | |
80 | uint32_t ret_code; | |
81 | uint32_t data_size; | |
82 | } LTTNG_PACKED; | |
83 | ||
84 | /* | |
85 | * List command reply payload coming from the Java Agent. | |
86 | */ | |
87 | struct lttcomm_jul_list_reply { | |
88 | uint32_t nb_event; | |
89 | /* List of event name each of them ending by a NULL byte. */ | |
90 | char payload[]; | |
91 | } LTTNG_PACKED; | |
92 | ||
93 | #endif /* _JUL_COMM */ |