projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| f20baf8e DG |
1 | /* |
| 2 | * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com> | |
| bdf64013 | 3 | * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| f20baf8e DG |
4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU General Public License, version 2 only, as | |
| 7 | * published by the Free Software Foundation. | |
| 8 | * | |
| 9 | * This program 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 General Public License for | |
| 12 | * more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License along with | |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
| 16 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 17 | */ | |
| 18 | ||
| 022d91ba DG |
19 | #ifndef AGENT_COMM |
| 20 | #define AGENT_COMM | |
| f20baf8e | 21 | |
| f20baf8e DG |
22 | #include <stdint.h> |
| 23 | ||
| aa52c986 | 24 | #include <common/macros.h> |
| f20baf8e DG |
25 | #include <lttng/lttng.h> |
| 26 | ||
| 27 | /* | |
| 2f2540d7 | 28 | * Command value passed in the header. |
| f20baf8e | 29 | */ |
| 022d91ba | 30 | enum lttcomm_agent_command { |
| bdf64013 JG |
31 | AGENT_CMD_LIST = 1, |
| 32 | AGENT_CMD_ENABLE = 2, | |
| 33 | AGENT_CMD_DISABLE = 3, | |
| 34 | AGENT_CMD_REG_DONE = 4, /* End registration process. */ | |
| 35 | AGENT_CMD_APP_CTX_ENABLE = 5, | |
| 36 | AGENT_CMD_APP_CTX_DISABLE = 6, | |
| f20baf8e DG |
37 | }; |
| 38 | ||
| 39 | /* | |
| 56cc432e | 40 | * Return codes from the agent. |
| f20baf8e | 41 | */ |
| 022d91ba | 42 | enum lttcomm_agent_ret_code { |
| aa277e3e | 43 | /* Success, assumed to be the first entry */ |
| bdf64013 | 44 | AGENT_RET_CODE_SUCCESS = 1, |
| aa277e3e | 45 | /* Invalid command */ |
| bdf64013 | 46 | AGENT_RET_CODE_INVALID = 2, |
| aa277e3e | 47 | /* Unknown logger name */ |
| bdf64013 | 48 | AGENT_RET_CODE_UNKNOWN_NAME = 3, |
| 23c2bd47 | 49 | AGENT_RET_CODE_NR, |
| f20baf8e DG |
50 | }; |
| 51 | ||
| 52 | /* | |
| 022d91ba | 53 | * Agent application communication header. |
| f20baf8e | 54 | */ |
| 022d91ba | 55 | struct lttcomm_agent_hdr { |
| f20baf8e | 56 | uint64_t data_size; /* data size following this header */ |
| 022d91ba | 57 | uint32_t cmd; /* Enum of agent command. */ |
| f20baf8e DG |
58 | uint32_t cmd_version; /* command version */ |
| 59 | } LTTNG_PACKED; | |
| 60 | ||
| 61 | /* | |
| a0ba721c AM |
62 | * Enable event command payload. Will be immediately followed by the |
| 63 | * variable-length string representing the filter expression. | |
| f20baf8e | 64 | */ |
| bdf64013 | 65 | struct lttcomm_agent_enable_event { |
| 2106efa0 | 66 | uint32_t loglevel_value; |
| b2064f54 | 67 | uint32_t loglevel_type; |
| f20baf8e | 68 | char name[LTTNG_SYMBOL_NAME_LEN]; |
| a0ba721c | 69 | uint32_t filter_expression_length; |
| f20baf8e DG |
70 | } LTTNG_PACKED; |
| 71 | ||
| 72 | /* | |
| 73 | * Disable event command payload. | |
| 74 | */ | |
| bdf64013 | 75 | struct lttcomm_agent_disable_event { |
| f20baf8e DG |
76 | char name[LTTNG_SYMBOL_NAME_LEN]; |
| 77 | } LTTNG_PACKED; | |
| 78 | ||
| 79 | /* | |
| 56cc432e | 80 | * Generic reply coming from the agent. |
| f20baf8e | 81 | */ |
| 022d91ba | 82 | struct lttcomm_agent_generic_reply { |
| f20baf8e DG |
83 | uint32_t ret_code; |
| 84 | } LTTNG_PACKED; | |
| 85 | ||
| 86 | /* | |
| 87 | * List command reply header. | |
| 88 | */ | |
| 022d91ba | 89 | struct lttcomm_agent_list_reply_hdr { |
| f20baf8e DG |
90 | uint32_t ret_code; |
| 91 | uint32_t data_size; | |
| 92 | } LTTNG_PACKED; | |
| 93 | ||
| 94 | /* | |
| 56cc432e | 95 | * List command reply payload coming from the agent. |
| f20baf8e | 96 | */ |
| 022d91ba | 97 | struct lttcomm_agent_list_reply { |
| f20baf8e DG |
98 | uint32_t nb_event; |
| 99 | /* List of event name each of them ending by a NULL byte. */ | |
| 100 | char payload[]; | |
| 101 | } LTTNG_PACKED; | |
| 102 | ||
| 022d91ba | 103 | #endif /* AGENT_COMM */ |