projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| f20baf8e DG |
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 | ||
| 022d91ba DG |
18 | #ifndef AGENT_COMM |
| 19 | #define AGENT_COMM | |
| f20baf8e | 20 | |
| f20baf8e DG |
21 | #include <stdint.h> |
| 22 | ||
| 23 | #include <lttng/lttng.h> | |
| 24 | ||
| 25 | /* | |
| 2f2540d7 | 26 | * Command value passed in the header. |
| f20baf8e | 27 | */ |
| 022d91ba DG |
28 | enum lttcomm_agent_command { |
| 29 | AGENT_CMD_LIST = 1, | |
| 30 | AGENT_CMD_ENABLE = 2, | |
| 31 | AGENT_CMD_DISABLE = 3, | |
| 32 | AGENT_CMD_REG_DONE = 4, /* End registration process. */ | |
| f20baf8e DG |
33 | }; |
| 34 | ||
| 35 | /* | |
| 56cc432e | 36 | * Return codes from the agent. |
| f20baf8e | 37 | */ |
| 022d91ba | 38 | enum lttcomm_agent_ret_code { |
| aa277e3e | 39 | /* Success, assumed to be the first entry */ |
| 022d91ba | 40 | AGENT_RET_CODE_SUCCESS = 1, |
| aa277e3e | 41 | /* Invalid command */ |
| 022d91ba | 42 | AGENT_RET_CODE_INVALID = 2, |
| aa277e3e | 43 | /* Unknown logger name */ |
| 022d91ba | 44 | AGENT_RET_CODE_UNKNOWN_NAME = 3, |
| 23c2bd47 | 45 | AGENT_RET_CODE_NR, |
| f20baf8e DG |
46 | }; |
| 47 | ||
| 48 | /* | |
| 022d91ba | 49 | * Agent application communication header. |
| f20baf8e | 50 | */ |
| 022d91ba | 51 | struct lttcomm_agent_hdr { |
| f20baf8e | 52 | uint64_t data_size; /* data size following this header */ |
| 022d91ba | 53 | uint32_t cmd; /* Enum of agent command. */ |
| f20baf8e DG |
54 | uint32_t cmd_version; /* command version */ |
| 55 | } LTTNG_PACKED; | |
| 56 | ||
| 57 | /* | |
| 58 | * Enable event command payload. | |
| 59 | */ | |
| 022d91ba | 60 | struct lttcomm_agent_enable { |
| 2106efa0 | 61 | uint32_t loglevel_value; |
| b2064f54 | 62 | uint32_t loglevel_type; |
| f20baf8e DG |
63 | char name[LTTNG_SYMBOL_NAME_LEN]; |
| 64 | } LTTNG_PACKED; | |
| 65 | ||
| 66 | /* | |
| 67 | * Disable event command payload. | |
| 68 | */ | |
| 022d91ba | 69 | struct lttcomm_agent_disable { |
| f20baf8e DG |
70 | char name[LTTNG_SYMBOL_NAME_LEN]; |
| 71 | } LTTNG_PACKED; | |
| 72 | ||
| 73 | /* | |
| 56cc432e | 74 | * Generic reply coming from the agent. |
| f20baf8e | 75 | */ |
| 022d91ba | 76 | struct lttcomm_agent_generic_reply { |
| f20baf8e DG |
77 | uint32_t ret_code; |
| 78 | } LTTNG_PACKED; | |
| 79 | ||
| 80 | /* | |
| 81 | * List command reply header. | |
| 82 | */ | |
| 022d91ba | 83 | struct lttcomm_agent_list_reply_hdr { |
| f20baf8e DG |
84 | uint32_t ret_code; |
| 85 | uint32_t data_size; | |
| 86 | } LTTNG_PACKED; | |
| 87 | ||
| 88 | /* | |
| 56cc432e | 89 | * List command reply payload coming from the agent. |
| f20baf8e | 90 | */ |
| 022d91ba | 91 | struct lttcomm_agent_list_reply { |
| f20baf8e DG |
92 | uint32_t nb_event; |
| 93 | /* List of event name each of them ending by a NULL byte. */ | |
| 94 | char payload[]; | |
| 95 | } LTTNG_PACKED; | |
| 96 | ||
| 022d91ba | 97 | #endif /* AGENT_COMM */ |