Commit | Line | Data |
---|---|---|
f73fabfd DG |
1 | /* |
2 | * Copyright (C) 2012 - 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 | #define _GNU_SOURCE | |
19 | #include <assert.h> | |
20 | ||
21 | #include <lttng/lttng-error.h> | |
90e535ef | 22 | #include <common/common.h> |
f73fabfd DG |
23 | |
24 | #include "error.h" | |
25 | ||
26 | #define ERROR_INDEX(code) (code - LTTNG_OK) | |
27 | ||
28 | /* | |
29 | * Human readable error message. | |
30 | */ | |
31 | static const char *error_string_array[] = { | |
32 | /* LTTNG_OK code MUST be at the top for the ERROR_INDEX macro to work */ | |
33 | [ ERROR_INDEX(LTTNG_OK) ] = "Success", | |
34 | [ ERROR_INDEX(LTTNG_ERR_UNK) ] = "Unknown error", | |
35 | [ ERROR_INDEX(LTTNG_ERR_UND) ] = "Undefined command", | |
36 | [ ERROR_INDEX(LTTNG_ERR_UNKNOWN_DOMAIN) ] = "Unknown tracing domain", | |
37 | [ ERROR_INDEX(LTTNG_ERR_NO_SESSION) ] = "No session found", | |
38 | [ ERROR_INDEX(LTTNG_ERR_CREATE_DIR_FAIL) ] = "Create directory failed", | |
39 | [ ERROR_INDEX(LTTNG_ERR_SESSION_FAIL) ] = "Create session failed", | |
40 | [ ERROR_INDEX(LTTNG_ERR_SESS_NOT_FOUND) ] = "Session name not found", | |
41 | [ ERROR_INDEX(LTTNG_ERR_FATAL) ] = "Fatal error of the session daemon", | |
42 | [ ERROR_INDEX(LTTNG_ERR_SELECT_SESS) ] = "A session MUST be selected", | |
552c8777 | 43 | [ ERROR_INDEX(LTTNG_ERR_EXIST_SESS) ] = "Session name already exists", |
f73fabfd DG |
44 | [ ERROR_INDEX(LTTNG_ERR_NO_EVENT) ] = "Event not found", |
45 | [ ERROR_INDEX(LTTNG_ERR_CONNECT_FAIL) ] = "Unable to connect to Unix socket", | |
46 | [ ERROR_INDEX(LTTNG_ERR_EPERM) ] = "Permission denied", | |
47 | [ ERROR_INDEX(LTTNG_ERR_KERN_NA) ] = "Kernel tracer not available", | |
48 | [ ERROR_INDEX(LTTNG_ERR_KERN_VERSION) ] = "Kernel tracer version is not compatible", | |
49 | [ ERROR_INDEX(LTTNG_ERR_KERN_EVENT_EXIST) ] = "Kernel event already exists", | |
50 | [ ERROR_INDEX(LTTNG_ERR_KERN_SESS_FAIL) ] = "Kernel create session failed", | |
51 | [ ERROR_INDEX(LTTNG_ERR_KERN_CHAN_EXIST) ] = "Kernel channel already exists", | |
52 | [ ERROR_INDEX(LTTNG_ERR_KERN_CHAN_FAIL) ] = "Kernel create channel failed", | |
53 | [ ERROR_INDEX(LTTNG_ERR_KERN_CHAN_NOT_FOUND) ] = "Kernel channel not found", | |
54 | [ ERROR_INDEX(LTTNG_ERR_KERN_CHAN_DISABLE_FAIL) ] = "Disable kernel channel failed", | |
55 | [ ERROR_INDEX(LTTNG_ERR_KERN_CHAN_ENABLE_FAIL) ] = "Enable kernel channel failed", | |
56 | [ ERROR_INDEX(LTTNG_ERR_KERN_CONTEXT_FAIL) ] = "Add kernel context failed", | |
57 | [ ERROR_INDEX(LTTNG_ERR_KERN_ENABLE_FAIL) ] = "Enable kernel event failed", | |
58 | [ ERROR_INDEX(LTTNG_ERR_KERN_DISABLE_FAIL) ] = "Disable kernel event failed", | |
59 | [ ERROR_INDEX(LTTNG_ERR_KERN_META_FAIL) ] = "Opening metadata failed", | |
60 | [ ERROR_INDEX(LTTNG_ERR_KERN_START_FAIL) ] = "Starting kernel trace failed", | |
552c8777 | 61 | [ ERROR_INDEX(LTTNG_ERR_KERN_STOP_FAIL) ] = "Stopping kernel trace failed", |
f73fabfd DG |
62 | [ ERROR_INDEX(LTTNG_ERR_KERN_CONSUMER_FAIL) ] = "Kernel consumer start failed", |
63 | [ ERROR_INDEX(LTTNG_ERR_KERN_STREAM_FAIL) ] = "Kernel create stream failed", | |
64 | [ ERROR_INDEX(LTTNG_ERR_KERN_LIST_FAIL) ] = "Listing kernel events failed", | |
65 | [ ERROR_INDEX(LTTNG_ERR_UST_CALIBRATE_FAIL) ] = "UST calibration failed", | |
66 | [ ERROR_INDEX(LTTNG_ERR_UST_SESS_FAIL) ] = "UST create session failed", | |
67 | [ ERROR_INDEX(LTTNG_ERR_UST_CHAN_FAIL) ] = "UST create channel failed", | |
68 | [ ERROR_INDEX(LTTNG_ERR_UST_CHAN_EXIST) ] = "UST channel already exist", | |
69 | [ ERROR_INDEX(LTTNG_ERR_UST_CHAN_NOT_FOUND) ] = "UST channel not found", | |
70 | [ ERROR_INDEX(LTTNG_ERR_UST_CHAN_DISABLE_FAIL) ] = "Disable UST channel failed", | |
71 | [ ERROR_INDEX(LTTNG_ERR_UST_CHAN_ENABLE_FAIL) ] = "Enable UST channel failed", | |
72 | [ ERROR_INDEX(LTTNG_ERR_UST_ENABLE_FAIL) ] = "Enable UST event failed", | |
73 | [ ERROR_INDEX(LTTNG_ERR_UST_DISABLE_FAIL) ] = "Disable UST event failed", | |
74 | [ ERROR_INDEX(LTTNG_ERR_UST_META_FAIL) ] = "Opening metadata failed", | |
75 | [ ERROR_INDEX(LTTNG_ERR_UST_START_FAIL) ] = "Starting UST trace failed", | |
552c8777 | 76 | [ ERROR_INDEX(LTTNG_ERR_UST_STOP_FAIL) ] = "Stopping UST trace failed", |
f73fabfd DG |
77 | [ ERROR_INDEX(LTTNG_ERR_UST_CONSUMER64_FAIL) ] = "64-bit UST consumer start failed", |
78 | [ ERROR_INDEX(LTTNG_ERR_UST_CONSUMER32_FAIL) ] = "32-bit UST consumer start failed", | |
79 | [ ERROR_INDEX(LTTNG_ERR_UST_STREAM_FAIL) ] = "UST create stream failed", | |
80 | [ ERROR_INDEX(LTTNG_ERR_UST_LIST_FAIL) ] = "Listing UST events failed", | |
81 | [ ERROR_INDEX(LTTNG_ERR_UST_EVENT_EXIST) ] = "UST event already exist", | |
82 | [ ERROR_INDEX(LTTNG_ERR_UST_EVENT_NOT_FOUND)] = "UST event not found", | |
83 | [ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_EXIST)] = "UST context already exist", | |
84 | [ ERROR_INDEX(LTTNG_ERR_UST_CONTEXT_INVAL)] = "UST invalid context", | |
552c8777 | 85 | [ ERROR_INDEX(LTTNG_ERR_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon or \"tracing\" group user membership", |
f73fabfd DG |
86 | [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STARTED) ] = "Tracing already started", |
87 | [ ERROR_INDEX(LTTNG_ERR_TRACE_ALREADY_STOPPED) ] = "Tracing already stopped", | |
88 | [ ERROR_INDEX(LTTNG_ERR_KERN_EVENT_ENOSYS) ] = "Kernel event type not supported", | |
89 | [ ERROR_INDEX(LTTNG_ERR_INVALID) ] = "Invalid parameter", | |
90 | [ ERROR_INDEX(LTTNG_ERR_NO_USTCONSUMERD) ] = "No UST consumer detected", | |
91 | [ ERROR_INDEX(LTTNG_ERR_NO_KERNCONSUMERD) ] = "No kernel consumer detected", | |
92 | [ ERROR_INDEX(LTTNG_ERR_EVENT_EXIST_LOGLEVEL) ] = "Event already enabled with different loglevel", | |
93 | [ ERROR_INDEX(LTTNG_ERR_URL_DATA_MISS) ] = "Missing data path URL", | |
552c8777 | 94 | [ ERROR_INDEX(LTTNG_ERR_URL_CTRL_MISS) ] = "Missing control path URL", |
f73fabfd DG |
95 | [ ERROR_INDEX(LTTNG_ERR_ENABLE_CONSUMER_FAIL) ] = "Enabling consumer failed", |
96 | [ ERROR_INDEX(LTTNG_ERR_RELAYD_CONNECT_FAIL) ] = "Unable to connect to lttng-relayd", | |
97 | [ ERROR_INDEX(LTTNG_ERR_RELAYD_VERSION_FAIL) ] = "Relay daemon not compatible", | |
98 | [ ERROR_INDEX(LTTNG_ERR_FILTER_INVAL) ] = "Invalid filter bytecode", | |
99 | [ ERROR_INDEX(LTTNG_ERR_FILTER_NOMEM) ] = "Not enough memory for filter bytecode", | |
100 | [ ERROR_INDEX(LTTNG_ERR_FILTER_EXIST) ] = "Filter already exist", | |
101 | [ ERROR_INDEX(LTTNG_ERR_NO_CONSUMER) ] = "Consumer not found for tracing session", | |
2f70b271 | 102 | [ ERROR_INDEX(LTTNG_ERR_NO_SESSIOND) ] = "No session daemon is available", |
806e2684 | 103 | [ ERROR_INDEX(LTTNG_ERR_SESSION_STARTED) ] = "Session is running", |
a79d84dd | 104 | [ ERROR_INDEX(LTTNG_ERR_NOT_SUPPORTED) ] = "Operation not supported", |
5bcdda4f | 105 | [ ERROR_INDEX(LTTNG_ERR_UST_EVENT_ENABLED) ] = "UST event already enabled", |
785d2d0d DG |
106 | [ ERROR_INDEX(LTTNG_ERR_SET_URL) ] = "Error setting URL", |
107 | [ ERROR_INDEX(LTTNG_ERR_URL_EXIST) ] = "URL already exists", | |
7972aab2 DG |
108 | [ ERROR_INDEX(LTTNG_ERR_BUFFER_NOT_SUPPORTED)] = "Buffer type not supported", |
109 | [ ERROR_INDEX(LTTNG_ERR_BUFFER_TYPE_MISMATCH)] = "Buffer type mismatch for session", | |
a74934ba | 110 | [ ERROR_INDEX(LTTNG_ERR_NOMEM)] = "Not enough memory", |
f73fabfd DG |
111 | |
112 | /* Last element */ | |
113 | [ ERROR_INDEX(LTTNG_ERR_NR) ] = "Unknown error code" | |
114 | }; | |
115 | ||
116 | /* | |
117 | * Return ptr to string representing a human readable error code from the | |
118 | * lttng_error_code enum. | |
119 | * | |
120 | * These code MUST be negative in other to treat that as an error value. | |
121 | */ | |
90e535ef | 122 | LTTNG_HIDDEN |
f73fabfd DG |
123 | const char *error_get_str(int32_t code) |
124 | { | |
125 | code = -code; | |
126 | ||
127 | if (code < LTTNG_OK || code > LTTNG_ERR_NR) { | |
128 | code = LTTNG_ERR_NR; | |
129 | } | |
130 | ||
131 | return error_string_array[ERROR_INDEX(code)]; | |
132 | } |