| 1 | # |
| 2 | # Copyright (c) - 2012 Simon Marchi <simon.marchi@polymtl.ca> |
| 3 | # |
| 4 | # This program is free software; you can redistribute it and/or modify it under |
| 5 | # the terms of the GNU General Public License as published by as published by |
| 6 | # the Free Software Foundation; only version 2 of the License. |
| 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 | # Generates COMPREPLY with the existing session names |
| 19 | _lttng_complete_sessions() { |
| 20 | # TODO |
| 21 | # This code does nothing for now. When there is a mecanism to get the |
| 22 | # existing sessions, use it to fill the sessions variable. |
| 23 | local sessions |
| 24 | sessions="" |
| 25 | COMPREPLY=( $(compgen -W "${sessions}" -- $cur) ) |
| 26 | return |
| 27 | } |
| 28 | |
| 29 | # Generates COMPREPLY with whatever is in the $options variable. |
| 30 | _lttng_complete_options() { |
| 31 | COMPREPLY=( $(compgen -W "${options}" -- $cur) ) |
| 32 | } |
| 33 | |
| 34 | # Generates COMPREPLY with whatever is in the $commands variable. |
| 35 | _lttng_complete_commands() { |
| 36 | COMPREPLY=( $(compgen -W "${commands}" -- $cur) ) |
| 37 | } |
| 38 | |
| 39 | _lttng_cmd_addcontext() { |
| 40 | options=$(lttng add-context --list-options) |
| 41 | |
| 42 | case $prev in |
| 43 | --session|-s) |
| 44 | _lttng_complete_sessions |
| 45 | return |
| 46 | ;; |
| 47 | --channel|-c) |
| 48 | return |
| 49 | ;; |
| 50 | --type|-t) |
| 51 | return |
| 52 | ;; |
| 53 | esac |
| 54 | |
| 55 | case $cur in |
| 56 | -*) |
| 57 | _lttng_complete_options |
| 58 | return |
| 59 | ;; |
| 60 | esac |
| 61 | } |
| 62 | |
| 63 | _lttng_cmd_calibrate() { |
| 64 | options=$(lttng calibrate --list-options) |
| 65 | |
| 66 | case $cur in |
| 67 | -*) |
| 68 | _lttng_complete_options |
| 69 | return |
| 70 | ;; |
| 71 | esac |
| 72 | } |
| 73 | |
| 74 | _lttng_cmd_create() { |
| 75 | options=$(lttng create --list-options) |
| 76 | |
| 77 | case $prev in |
| 78 | --output|-o) |
| 79 | _filedir -d |
| 80 | return |
| 81 | ;; |
| 82 | esac |
| 83 | |
| 84 | case $cur in |
| 85 | -*) |
| 86 | _lttng_complete_options |
| 87 | return |
| 88 | ;; |
| 89 | esac |
| 90 | } |
| 91 | |
| 92 | _lttng_cmd_destroy() { |
| 93 | options=$(lttng destroy --list-options) |
| 94 | |
| 95 | case $cur in |
| 96 | -*) |
| 97 | _lttng_complete_options |
| 98 | return |
| 99 | ;; |
| 100 | *) |
| 101 | _lttng_complete_sessions |
| 102 | return |
| 103 | ;; |
| 104 | esac |
| 105 | } |
| 106 | _lttng_cmd_disablechannel() { |
| 107 | options=$(lttng disable-channel --list-options) |
| 108 | |
| 109 | case $prev in |
| 110 | --session|-s) |
| 111 | _lttng_complete_sessions |
| 112 | return |
| 113 | ;; |
| 114 | esac |
| 115 | |
| 116 | case $cur in |
| 117 | -*) |
| 118 | _lttng_complete_options |
| 119 | return |
| 120 | ;; |
| 121 | esac |
| 122 | } |
| 123 | _lttng_cmd_disableevent() { |
| 124 | options=$(lttng disable-event --list-options) |
| 125 | |
| 126 | case $prev in |
| 127 | --session|-s) |
| 128 | _lttng_complete_sessions |
| 129 | return |
| 130 | ;; |
| 131 | --channel|-c) |
| 132 | return |
| 133 | ;; |
| 134 | esac |
| 135 | |
| 136 | case $cur in |
| 137 | -*) |
| 138 | _lttng_complete_options |
| 139 | return |
| 140 | ;; |
| 141 | esac |
| 142 | } |
| 143 | |
| 144 | _lttng_cmd_enablechannel() { |
| 145 | options=$(lttng enable-channel --list-options) |
| 146 | |
| 147 | case $prev in |
| 148 | --session|-s) |
| 149 | _lttng_complete_sessions |
| 150 | return |
| 151 | ;; |
| 152 | esac |
| 153 | |
| 154 | case $cur in |
| 155 | -*) |
| 156 | _lttng_complete_options |
| 157 | return |
| 158 | ;; |
| 159 | esac |
| 160 | } |
| 161 | |
| 162 | _lttng_cmd_enableevent() { |
| 163 | options=$(lttng enable-event --list-options) |
| 164 | |
| 165 | case $prev in |
| 166 | --session|-s) |
| 167 | _lttng_complete_sessions |
| 168 | return |
| 169 | ;; |
| 170 | --channel|-c) |
| 171 | return |
| 172 | ;; |
| 173 | --probe) |
| 174 | return |
| 175 | ;; |
| 176 | --function) |
| 177 | return |
| 178 | ;; |
| 179 | esac |
| 180 | |
| 181 | case $cur in |
| 182 | -*) |
| 183 | _lttng_complete_options |
| 184 | return |
| 185 | ;; |
| 186 | esac |
| 187 | } |
| 188 | |
| 189 | _lttng_cmd_list() { |
| 190 | options=$(lttng list --list-options) |
| 191 | |
| 192 | case $prev in |
| 193 | --channel|-c) |
| 194 | return |
| 195 | ;; |
| 196 | esac |
| 197 | |
| 198 | case $cur in |
| 199 | -*) |
| 200 | _lttng_complete_options |
| 201 | return |
| 202 | ;; |
| 203 | *) |
| 204 | _lttng_complete_sessions |
| 205 | return |
| 206 | esac |
| 207 | } |
| 208 | |
| 209 | _lttng_cmd_setsession() { |
| 210 | options=$(lttng set-session --list-options) |
| 211 | |
| 212 | case $cur in |
| 213 | -*) |
| 214 | _lttng_complete_options |
| 215 | return |
| 216 | ;; |
| 217 | *) |
| 218 | _lttng_complete_sessions |
| 219 | return |
| 220 | ;; |
| 221 | esac |
| 222 | } |
| 223 | |
| 224 | _lttng_cmd_snapshot() { |
| 225 | options=$(lttng snapshot --list-options) |
| 226 | commands=$(lttng snapshot --list-commands) |
| 227 | |
| 228 | _lttng_find_command $((command_found_index + 1)) |
| 229 | |
| 230 | if _lttng_cursor_is_after_command; then |
| 231 | case $prev in |
| 232 | --session|-s) |
| 233 | _lttng_complete_sessions |
| 234 | return |
| 235 | ;; |
| 236 | esac |
| 237 | |
| 238 | case $cur in |
| 239 | -*) |
| 240 | _lttng_complete_options |
| 241 | ;; |
| 242 | esac |
| 243 | else |
| 244 | _lttng_complete_commands |
| 245 | fi |
| 246 | } |
| 247 | |
| 248 | _lttng_cmd_start() { |
| 249 | options=$(lttng start --list-options) |
| 250 | |
| 251 | case $cur in |
| 252 | -*) |
| 253 | _lttng_complete_options |
| 254 | return |
| 255 | ;; |
| 256 | *) |
| 257 | _lttng_complete_sessions |
| 258 | return |
| 259 | ;; |
| 260 | esac |
| 261 | } |
| 262 | |
| 263 | _lttng_cmd_stop() { |
| 264 | options=$(lttng stop --list-options) |
| 265 | |
| 266 | case $cur in |
| 267 | -*) |
| 268 | _lttng_complete_options |
| 269 | ;; |
| 270 | *) |
| 271 | _lttng_complete_sessions |
| 272 | ;; |
| 273 | esac |
| 274 | } |
| 275 | |
| 276 | _lttng_cmd_version() { |
| 277 | options=$(lttng version --list-options) |
| 278 | |
| 279 | case $cur in |
| 280 | -*) |
| 281 | _lttng_complete_options |
| 282 | ;; |
| 283 | esac |
| 284 | } |
| 285 | |
| 286 | _lttng_cmd_view() { |
| 287 | options=$(lttng view --list-options) |
| 288 | |
| 289 | case $cur in |
| 290 | -*) |
| 291 | _lttng_complete_options |
| 292 | ;; |
| 293 | esac |
| 294 | } |
| 295 | |
| 296 | |
| 297 | |
| 298 | _lttng_before_command() { |
| 299 | # Check if the previous word should alter the behavior |
| 300 | case $prev in |
| 301 | --group|-g) |
| 302 | COMPREPLY=( $(compgen -g -- $cur) ) |
| 303 | return |
| 304 | ;; |
| 305 | --sessiond-path) |
| 306 | _filedir |
| 307 | return |
| 308 | ;; |
| 309 | esac |
| 310 | |
| 311 | case $cur in |
| 312 | -*) |
| 313 | # If the current word starts with a dash, complete with options |
| 314 | _lttng_complete_options |
| 315 | ;; |
| 316 | *) |
| 317 | # Otherwise complete with commands |
| 318 | _lttng_complete_commands |
| 319 | ;; |
| 320 | esac |
| 321 | } |
| 322 | |
| 323 | _lttng_after_command() { |
| 324 | local cmd_name |
| 325 | |
| 326 | cmd_name=_lttng_cmd_${command_found//-/} |
| 327 | |
| 328 | type -t $cmd_name | grep -q 'function' && $cmd_name |
| 329 | } |
| 330 | |
| 331 | # Check if the word passed as the first parameter corresponds to a |
| 332 | # command. $command must be set to the list of possible commands. |
| 333 | _lttng_is_command() { |
| 334 | for command in $commands; do |
| 335 | if [ "$1" == "$command" ]; then |
| 336 | return 0 |
| 337 | fi |
| 338 | done |
| 339 | |
| 340 | return 1 |
| 341 | } |
| 342 | |
| 343 | # Try to find a command in the current command line. Possible commands |
| 344 | # are passed in $commands. |
| 345 | # |
| 346 | # This function takes an optional parameter that indicates the index |
| 347 | # where to start the search in COMP_WORDS. If omitted, it defaults to 1. |
| 348 | # |
| 349 | # If a command is found, $command_found is filled with the name of the |
| 350 | # command and $command_found_index is set to the index of the command in |
| 351 | # $COMP_WORDS. If no command is found, $command_found is an empty string |
| 352 | # and $command_found_index is set to -1. |
| 353 | _lttng_find_command() { |
| 354 | start=${1:-1} |
| 355 | |
| 356 | # The text of the found command |
| 357 | command_found="" |
| 358 | |
| 359 | # The index of the found command in COMP_WORDS |
| 360 | command_found_index=-1 |
| 361 | |
| 362 | for (( i = start ; i < ${#COMP_WORDS[@]} ; i++ )); do |
| 363 | _lttng_is_command ${COMP_WORDS[$i]} |
| 364 | if [ $? -eq 0 ]; then |
| 365 | command_found=${COMP_WORDS[$i]} |
| 366 | command_found_index=$i |
| 367 | break |
| 368 | fi |
| 369 | done |
| 370 | } |
| 371 | |
| 372 | _lttng_cursor_is_after_command() { |
| 373 | [ -n "$command_found" ] && [ "$COMP_CWORD" -gt "$command_found_index" ] |
| 374 | } |
| 375 | |
| 376 | _lttng() { |
| 377 | local cur prev commands command_found command_found_index |
| 378 | |
| 379 | # Get the current and previous word |
| 380 | _get_comp_words_by_ref cur prev |
| 381 | |
| 382 | # Get the valid first-level LTTng commands and options |
| 383 | commands=$(lttng --list-commands) |
| 384 | options=$(lttng --list-options) |
| 385 | |
| 386 | _lttng_find_command |
| 387 | |
| 388 | # Check if the cursor is before or after the command keyword |
| 389 | if _lttng_cursor_is_after_command; then |
| 390 | _lttng_after_command |
| 391 | else |
| 392 | _lttng_before_command |
| 393 | fi |
| 394 | } |
| 395 | |
| 396 | complete -F _lttng lttng |