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0c445945 JD |
1 | #ifndef LTTNG_VIEWER_ABI_H |
2 | #define LTTNG_VIEWER_ABI_H | |
38e24060 | 3 | |
b1acd2b3 JD |
4 | /* |
5 | * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com> | |
6 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * David Goulet <dgoulet@efficios.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
b1acd2b3 JD |
28 | #include <limits.h> |
29 | ||
30 | #define LTTNG_VIEWER_PATH_MAX 4096 | |
31 | #define LTTNG_VIEWER_NAME_MAX 255 | |
32 | #define LTTNG_VIEWER_HOST_NAME_MAX 64 | |
33 | ||
34 | /* Flags in reply to get_next_index and get_packet. */ | |
12a91e9d JD |
35 | enum { |
36 | /* New metadata is required to read this packet. */ | |
37 | LTTNG_VIEWER_FLAG_NEW_METADATA = (1 << 0), | |
38 | /* New stream got added to the trace. */ | |
39 | LTTNG_VIEWER_FLAG_NEW_STREAM = (1 << 1), | |
40 | }; | |
b1acd2b3 JD |
41 | |
42 | enum lttng_viewer_command { | |
12a91e9d JD |
43 | LTTNG_VIEWER_CONNECT = 1, |
44 | LTTNG_VIEWER_LIST_SESSIONS = 2, | |
45 | LTTNG_VIEWER_ATTACH_SESSION = 3, | |
46 | LTTNG_VIEWER_GET_NEXT_INDEX = 4, | |
47 | LTTNG_VIEWER_GET_PACKET = 5, | |
48 | LTTNG_VIEWER_GET_METADATA = 6, | |
0c445945 JD |
49 | LTTNG_VIEWER_GET_NEW_STREAMS = 7, |
50 | LTTNG_VIEWER_CREATE_SESSION = 8, | |
b1acd2b3 JD |
51 | }; |
52 | ||
53 | enum lttng_viewer_attach_return_code { | |
12a91e9d JD |
54 | LTTNG_VIEWER_ATTACH_OK = 1, /* The attach command succeeded. */ |
55 | LTTNG_VIEWER_ATTACH_ALREADY = 2, /* A viewer is already attached. */ | |
56 | LTTNG_VIEWER_ATTACH_UNK = 3, /* The session ID is unknown. */ | |
57 | LTTNG_VIEWER_ATTACH_NOT_LIVE = 4, /* The session is not live. */ | |
58 | LTTNG_VIEWER_ATTACH_SEEK_ERR = 5, /* Seek error. */ | |
0c445945 | 59 | LTTNG_VIEWER_ATTACH_NO_SESSION = 6, /* No viewer session created. */ |
b1acd2b3 JD |
60 | }; |
61 | ||
62 | enum lttng_viewer_next_index_return_code { | |
12a91e9d JD |
63 | LTTNG_VIEWER_INDEX_OK = 1, /* Index is available. */ |
64 | LTTNG_VIEWER_INDEX_RETRY = 2, /* Index not yet available. */ | |
65 | LTTNG_VIEWER_INDEX_HUP = 3, /* Index closed (trace destroyed). */ | |
66 | LTTNG_VIEWER_INDEX_ERR = 4, /* Unknow error. */ | |
67 | LTTNG_VIEWER_INDEX_INACTIVE = 5, /* Inactive stream beacon. */ | |
68 | LTTNG_VIEWER_INDEX_EOF = 6, /* End of index file. */ | |
b1acd2b3 JD |
69 | }; |
70 | ||
71 | enum lttng_viewer_get_packet_return_code { | |
12a91e9d JD |
72 | LTTNG_VIEWER_GET_PACKET_OK = 1, |
73 | LTTNG_VIEWER_GET_PACKET_RETRY = 2, | |
74 | LTTNG_VIEWER_GET_PACKET_ERR = 3, | |
75 | LTTNG_VIEWER_GET_PACKET_EOF = 4, | |
b1acd2b3 JD |
76 | }; |
77 | ||
78 | enum lttng_viewer_get_metadata_return_code { | |
12a91e9d JD |
79 | LTTNG_VIEWER_METADATA_OK = 1, |
80 | LTTNG_VIEWER_NO_NEW_METADATA = 2, | |
81 | LTTNG_VIEWER_METADATA_ERR = 3, | |
b1acd2b3 JD |
82 | }; |
83 | ||
84 | enum lttng_viewer_connection_type { | |
12a91e9d JD |
85 | LTTNG_VIEWER_CLIENT_COMMAND = 1, |
86 | LTTNG_VIEWER_CLIENT_NOTIFICATION = 2, | |
b1acd2b3 JD |
87 | }; |
88 | ||
89 | enum lttng_viewer_seek { | |
38e24060 | 90 | /* Receive the trace packets from the beginning. */ |
12a91e9d | 91 | LTTNG_VIEWER_SEEK_BEGINNING = 1, |
38e24060 | 92 | /* Receive the trace packets from now. */ |
12a91e9d | 93 | LTTNG_VIEWER_SEEK_LAST = 2, |
b1acd2b3 JD |
94 | }; |
95 | ||
0c445945 JD |
96 | enum lttng_viewer_new_streams_return_code { |
97 | LTTNG_VIEWER_NEW_STREAMS_OK = 1, /* If new streams are being sent. */ | |
98 | LTTNG_VIEWER_NEW_STREAMS_NO_NEW = 2, /* If no new streams are available. */ | |
99 | LTTNG_VIEWER_NEW_STREAMS_ERR = 3, /* Error. */ | |
100 | LTTNG_VIEWER_NEW_STREAMS_HUP = 4, /* Session closed. */ | |
101 | }; | |
102 | ||
103 | enum lttng_viewer_create_session_return_code { | |
104 | LTTNG_VIEWER_CREATE_SESSION_OK = 1, | |
105 | LTTNG_VIEWER_CREATE_SESSION_ERR = 2, | |
106 | }; | |
107 | ||
b1acd2b3 JD |
108 | struct lttng_viewer_session { |
109 | uint64_t id; | |
b1acd2b3 JD |
110 | uint32_t live_timer; |
111 | uint32_t clients; | |
38e24060 JD |
112 | uint32_t streams; |
113 | char hostname[LTTNG_VIEWER_HOST_NAME_MAX]; | |
114 | char session_name[LTTNG_VIEWER_NAME_MAX]; | |
b1acd2b3 JD |
115 | } __attribute__((__packed__)); |
116 | ||
117 | struct lttng_viewer_stream { | |
118 | uint64_t id; | |
119 | uint64_t ctf_trace_id; | |
0c445945 | 120 | uint32_t metadata_flag; |
b1acd2b3 JD |
121 | char path_name[LTTNG_VIEWER_PATH_MAX]; |
122 | char channel_name[LTTNG_VIEWER_NAME_MAX]; | |
b1acd2b3 JD |
123 | } __attribute__((__packed__)); |
124 | ||
125 | struct lttng_viewer_cmd { | |
126 | uint64_t data_size; /* data size following this header */ | |
127 | uint32_t cmd; /* enum lttcomm_relayd_command */ | |
128 | uint32_t cmd_version; /* command version */ | |
129 | } __attribute__((__packed__)); | |
130 | ||
131 | /* | |
12a91e9d | 132 | * LTTNG_VIEWER_CONNECT payload. |
b1acd2b3 JD |
133 | */ |
134 | struct lttng_viewer_connect { | |
38e24060 JD |
135 | /* session ID assigned by the relay for command connections */ |
136 | uint64_t viewer_session_id; | |
b1acd2b3 JD |
137 | uint32_t major; |
138 | uint32_t minor; | |
12a91e9d | 139 | uint32_t type; /* enum lttng_viewer_connection_type */ |
b1acd2b3 JD |
140 | } __attribute__((__packed__)); |
141 | ||
142 | /* | |
12a91e9d | 143 | * LTTNG_VIEWER_LIST_SESSIONS payload. |
b1acd2b3 JD |
144 | */ |
145 | struct lttng_viewer_list_sessions { | |
146 | uint32_t sessions_count; | |
12a91e9d | 147 | char session_list[]; /* struct lttng_viewer_session */ |
b1acd2b3 JD |
148 | } __attribute__((__packed__)); |
149 | ||
150 | /* | |
12a91e9d | 151 | * LTTNG_VIEWER_ATTACH_SESSION payload. |
b1acd2b3 JD |
152 | */ |
153 | struct lttng_viewer_attach_session_request { | |
154 | uint64_t session_id; | |
b1acd2b3 | 155 | uint64_t offset; /* unused for now */ |
38e24060 | 156 | uint32_t seek; /* enum lttng_viewer_seek */ |
b1acd2b3 JD |
157 | } __attribute__((__packed__)); |
158 | ||
159 | struct lttng_viewer_attach_session_response { | |
38e24060 JD |
160 | /* enum lttng_viewer_attach_return_code */ |
161 | uint32_t status; | |
b1acd2b3 | 162 | uint32_t streams_count; |
38e24060 JD |
163 | /* struct lttng_viewer_stream */ |
164 | char stream_list[]; | |
b1acd2b3 JD |
165 | } __attribute__((__packed__)); |
166 | ||
167 | /* | |
12a91e9d | 168 | * LTTNG_VIEWER_GET_NEXT_INDEX payload. |
b1acd2b3 JD |
169 | */ |
170 | struct lttng_viewer_get_next_index { | |
171 | uint64_t stream_id; | |
172 | } __attribute__ ((__packed__)); | |
173 | ||
174 | struct lttng_viewer_index { | |
b1acd2b3 JD |
175 | uint64_t offset; |
176 | uint64_t packet_size; | |
177 | uint64_t content_size; | |
178 | uint64_t timestamp_begin; | |
179 | uint64_t timestamp_end; | |
180 | uint64_t events_discarded; | |
181 | uint64_t stream_id; | |
12a91e9d JD |
182 | uint32_t status; /* enum lttng_viewer_next_index_return_code */ |
183 | uint32_t flags; /* LTTNG_VIEWER_FLAG_* */ | |
b1acd2b3 JD |
184 | } __attribute__ ((__packed__)); |
185 | ||
186 | /* | |
12a91e9d | 187 | * LTTNG_VIEWER_GET_PACKET payload. |
b1acd2b3 JD |
188 | */ |
189 | struct lttng_viewer_get_packet { | |
190 | uint64_t stream_id; | |
191 | uint64_t offset; | |
192 | uint32_t len; | |
193 | } __attribute__((__packed__)); | |
194 | ||
195 | struct lttng_viewer_trace_packet { | |
12a91e9d | 196 | uint32_t status; /* enum lttng_viewer_get_packet_return_code */ |
b1acd2b3 | 197 | uint32_t len; |
12a91e9d | 198 | uint32_t flags; /* LTTNG_VIEWER_FLAG_* */ |
b1acd2b3 JD |
199 | char data[]; |
200 | } __attribute__((__packed__)); | |
201 | ||
202 | /* | |
12a91e9d | 203 | * LTTNG_VIEWER_GET_METADATA payload. |
b1acd2b3 JD |
204 | */ |
205 | struct lttng_viewer_get_metadata { | |
206 | uint64_t stream_id; | |
207 | } __attribute__((__packed__)); | |
208 | ||
209 | struct lttng_viewer_metadata_packet { | |
b1acd2b3 | 210 | uint64_t len; |
12a91e9d | 211 | uint32_t status; /* enum lttng_viewer_get_metadata_return_code */ |
b1acd2b3 JD |
212 | char data[]; |
213 | } __attribute__((__packed__)); | |
214 | ||
0c445945 JD |
215 | /* |
216 | * LTTNG_VIEWER_GET_NEW_STREAMS payload. | |
217 | */ | |
218 | struct lttng_viewer_new_streams_request { | |
219 | uint64_t session_id; | |
220 | } __attribute__((__packed__)); | |
221 | ||
222 | struct lttng_viewer_new_streams_response { | |
223 | /* enum lttng_viewer_new_streams_return_code */ | |
224 | uint32_t status; | |
225 | uint32_t streams_count; | |
226 | /* struct lttng_viewer_stream */ | |
227 | char stream_list[]; | |
228 | } __attribute__((__packed__)); | |
229 | ||
230 | struct lttng_viewer_create_session_response { | |
231 | /* enum lttng_viewer_create_session_return_code */ | |
232 | uint32_t status; | |
233 | } __attribute__((__packed__)); | |
234 | ||
235 | #endif /* LTTNG_VIEWER_ABI_H */ |