Refactor JUL to agent namespace
[lttng-tools.git] / src / common / sessiond-comm / agent.h
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 AGENT_COMM
19 #define AGENT_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_agent_command {
30 AGENT_CMD_LIST = 1,
31 AGENT_CMD_ENABLE = 2,
32 AGENT_CMD_DISABLE = 3,
33 AGENT_CMD_REG_DONE = 4, /* End registration process. */
34 };
35
36 /*
37 * Return code from the Java agent.
38 */
39 enum lttcomm_agent_ret_code {
40 AGENT_RET_CODE_SUCCESS = 1,
41 AGENT_RET_CODE_INVALID = 2,
42 AGENT_RET_CODE_UNKNOWN_NAME = 3,
43 };
44
45 /*
46 * Agent application communication header.
47 */
48 struct lttcomm_agent_hdr {
49 uint64_t data_size; /* data size following this header */
50 uint32_t cmd; /* Enum of agent command. */
51 uint32_t cmd_version; /* command version */
52 } LTTNG_PACKED;
53
54 /*
55 * Enable event command payload.
56 */
57 struct lttcomm_agent_enable {
58 uint32_t loglevel;
59 uint32_t loglevel_type;
60 char name[LTTNG_SYMBOL_NAME_LEN];
61 } LTTNG_PACKED;
62
63 /*
64 * Disable event command payload.
65 */
66 struct lttcomm_agent_disable {
67 char name[LTTNG_SYMBOL_NAME_LEN];
68 } LTTNG_PACKED;
69
70 /*
71 * Generic reply coming from the Java Agent.
72 */
73 struct lttcomm_agent_generic_reply {
74 uint32_t ret_code;
75 } LTTNG_PACKED;
76
77 /*
78 * List command reply header.
79 */
80 struct lttcomm_agent_list_reply_hdr {
81 uint32_t ret_code;
82 uint32_t data_size;
83 } LTTNG_PACKED;
84
85 /*
86 * List command reply payload coming from the Java Agent.
87 */
88 struct lttcomm_agent_list_reply {
89 uint32_t nb_event;
90 /* List of event name each of them ending by a NULL byte. */
91 char payload[];
92 } LTTNG_PACKED;
93
94 #endif /* AGENT_COMM */
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