1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * part of this file is taken from libcli (libcli.sourceforge.net) *
6 * Copyright (C) David Parrish (david@dparrish.com) *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
27 #include "replacements.h"
32 #include "time_support.h"
41 int fast_and_dangerous
= 0;
43 void command_print_help_line(command_context_t
* context
, struct command_s
*command
, int indent
);
45 int handle_sleep_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
46 int handle_time_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
47 int handle_fast_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
49 int build_unique_lengths(command_context_t
*context
, command_t
*commands
)
53 /* iterate through all commands */
54 for (c
= commands
; c
; c
= c
->next
)
56 /* find out how many characters are required to uniquely identify a command */
57 for (c
->unique_len
= 1; c
->unique_len
<= strlen(c
->name
); c
->unique_len
++)
61 /* for every command, see if the current length is enough */
62 for (p
= commands
; p
; p
= p
->next
)
64 /* ignore the command itself */
68 /* compare commands up to the current length */
69 if (strncmp(p
->name
, c
->name
, c
->unique_len
) == 0)
73 /* when none of the commands matched, we've found the minimum length required */
78 /* if the current command has children, build the unique lengths for them */
80 build_unique_lengths(context
, c
->children
);
86 /* Avoid evaluating this each time we add a command. Reduces overhead from O(n^2) to O(n).
87 * Makes a difference on ARM7 types machines and is not observable on GHz machines.
89 static int unique_length_dirty
= 1;
91 command_t
* register_command(command_context_t
*context
, command_t
*parent
, char *name
, int (*handler
)(struct command_context_s
*context
, char* name
, char** args
, int argc
), enum command_mode mode
, char *help
)
94 unique_length_dirty
= 1;
96 if (!context
|| !name
)
99 c
= malloc(sizeof(command_t
));
101 c
->name
= strdup(name
);
104 c
->handler
= handler
;
107 c
->help
= strdup(help
);
113 /* place command in tree */
116 if (parent
->children
)
118 /* find last child */
119 for (p
= parent
->children
; p
&& p
->next
; p
= p
->next
);
125 parent
->children
= c
;
130 if (context
->commands
)
132 /* find last command */
133 for (p
= context
->commands
; p
&& p
->next
; p
= p
->next
);
139 context
->commands
= c
;
146 int unregister_all_commands(command_context_t
*context
)
150 unique_length_dirty
= 1;
156 while(NULL
!= context
->commands
)
158 c
= context
->commands
;
160 while(NULL
!= c
->children
)
163 c
->children
= c
->children
->next
;
172 context
->commands
= context
->commands
->next
;
185 int unregister_command(command_context_t
*context
, char *name
)
187 command_t
*c
, *p
= NULL
, *c2
;
189 unique_length_dirty
= 1;
191 if ((!context
) || (!name
))
192 return ERROR_INVALID_ARGUMENTS
;
195 for (c
= context
->commands
; c
; c
= c
->next
)
197 if (strcmp(name
, c
->name
) == 0)
206 context
->commands
= c
->next
;
209 /* unregister children */
212 for (c2
= c
->children
; c2
; c2
= c2
->next
)
228 /* remember the last command for unlinking */
235 int parse_line(char *line
, char *words
[], int max_words
)
239 char *word_start
= line
;
242 while (nwords
< max_words
- 1)
244 /* check if we reached
246 * a matching closing quote character " or '
247 * we're inside a word but not a quote, and the current character is whitespace
249 if (!*p
|| *p
== inquote
|| (word_start
&& !inquote
&& isspace(*p
)))
251 /* we're inside a word or quote, and reached its end*/
257 /* This will handle extra whitespace within quotes */
258 while (isspace(*word_start
)&&(word_start
<word_end
))
260 while (isspace(*(word_end
-1))&&(word_start
<word_end
))
262 len
= word_end
- word_start
;
267 memcpy(words
[nwords
] = malloc(len
+ 1), word_start
, len
);
268 /* add terminating NUL */
269 words
[nwords
++][len
] = 0;
272 /* we're done parsing the line */
276 /* skip over trailing quote or whitespace*/
277 if (inquote
|| isspace(*p
))
285 else if (*p
== '"' || *p
== '\'')
287 /* we've reached the beginning of a quote */
293 /* we've reached the beginning of a new word */
297 /* normal character, skip */
305 void command_print_n(command_context_t
*context
, char *format
, ...)
310 va_start(ap
, format
);
312 string
= alloc_vprintf(format
, ap
);
315 context
->output_handler(context
, string
);
322 void command_print(command_context_t
*context
, char *format
, ...)
327 va_start(ap
, format
);
329 string
= alloc_vprintf(format
, ap
);
332 strcat(string
, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one char longer */
333 context
->output_handler(context
, string
);
340 int find_and_run_command(command_context_t
*context
, command_t
*commands
, char *words
[], int num_words
, int start_word
)
343 int retval
= ERROR_COMMAND_SYNTAX_ERROR
;
345 if (unique_length_dirty
)
347 unique_length_dirty
= 0;
348 /* update unique lengths */
349 build_unique_lengths(context
, context
->commands
);
352 for (c
= commands
; c
; c
= c
->next
)
354 if (strncasecmp(c
->name
, words
[start_word
], c
->unique_len
))
357 if (strncasecmp(c
->name
, words
[start_word
], strlen(words
[start_word
])))
360 if ((context
->mode
== COMMAND_CONFIG
) || (c
->mode
== COMMAND_ANY
) || (c
->mode
== context
->mode
) )
366 command_print(context
, "No handler for command");
367 retval
= ERROR_COMMAND_SYNTAX_ERROR
;
372 int retval
= c
->handler(context
, c
->name
, words
+ start_word
+ 1, num_words
- start_word
- 1);
373 if (retval
== ERROR_COMMAND_SYNTAX_ERROR
)
375 command_print(context
, "Syntax error:");
376 command_print_help_line(context
, c
, 0);
378 else if (retval
== ERROR_COMMAND_CLOSE_CONNECTION
)
380 /* just fall through for a shutdown request */
382 else if (retval
!= ERROR_OK
)
384 /* we do not print out an error message because the command *should*
385 * have printed out an error
387 LOG_DEBUG("Command failed with error code %d", retval
);
394 if (start_word
== num_words
- 1)
396 command_print(context
, "Incomplete command");
399 return find_and_run_command(context
, c
->children
, words
, num_words
, start_word
+ 1);
404 command_print(context
, "Command %s not found", words
[start_word
]);
408 int command_run_line(command_context_t
*context
, char *line
)
411 char *words
[128] = {0};
415 if ((!context
) || (!line
))
416 return ERROR_INVALID_ARGUMENTS
;
418 /* skip preceding whitespace */
419 while (isspace(*line
))
422 /* empty line, ignore */
426 /* ignore comments */
427 if (*line
&& (line
[0] == '#'))
430 LOG_DEBUG("%s", line
);
432 nwords
= parse_line(line
, words
, sizeof(words
) / sizeof(words
[0]));
435 retval
= find_and_run_command(context
, context
->commands
, words
, nwords
, 0);
437 return ERROR_INVALID_ARGUMENTS
;
439 for (i
= 0; i
< nwords
; i
++)
445 int command_run_file(command_context_t
*context
, FILE *file
, enum command_mode mode
)
447 int retval
= ERROR_OK
;
448 int old_command_mode
;
449 char *buffer
=malloc(4096);
452 return ERROR_INVALID_ARGUMENTS
;
455 old_command_mode
= context
->mode
;
456 context
->mode
= mode
;
458 while (fgets(buffer
, 4096, file
))
463 /* stop processing line after a comment (#, !) or a LF, CR were encountered */
464 if ((p
= strpbrk(buffer
, "#!\r\n")))
467 /* skip over leading whitespace */
469 while (isspace(*cmd
))
472 /* empty (all whitespace) line? */
476 /* search the end of the current line, ignore trailing whitespace */
477 for (p
= end
= cmd
; *p
; p
++)
483 if (strcasecmp(cmd
, "quit") == 0)
487 if ((retval
= command_run_line(context
, cmd
)) == ERROR_COMMAND_CLOSE_CONNECTION
)
491 context
->mode
= old_command_mode
;
499 void command_print_help_line(command_context_t
* context
, struct command_s
*command
, int indent
)
502 char *indent_text
=malloc(indent
+ 2);
504 char *help
= "no help available";
509 indent_text
[0] = ' ';
510 memset(indent_text
+ 1, '-', indent
);
511 indent_text
[indent
+ 1] = 0;
515 help
= command
->help
;
517 snprintf(name_buf
, 64, command
->name
);
520 strncat(name_buf
, indent_text
, 64);
522 command_print(context
, "%20s\t%s", name_buf
, help
, indent
);
524 if (command
->children
)
526 for (c
= command
->children
; c
; c
= c
->next
)
528 command_print_help_line(context
, c
, indent
+ 1);
534 int command_print_help_match(command_context_t
* context
, command_t
* c_first
, char* name
, char** args
, int argc
)
538 for (c
= c_first
; c
; c
= c
->next
)
542 if (strncasecmp(c
->name
, args
[0], c
->unique_len
))
545 if (strncasecmp(c
->name
, args
[0], strlen(args
[0])))
550 command_print_help_match(context
, c
->children
, name
, args
+ 1, argc
- 1);
555 command_print_help_line(context
, c
, 0);
561 int command_print_help(command_context_t
* context
, char* name
, char** args
, int argc
)
563 return command_print_help_match(context
, context
->commands
, name
, args
, argc
);
566 void command_set_output_handler(command_context_t
* context
, int (*output_handler
)(struct command_context_s
*context
, char* line
), void *priv
)
568 context
->output_handler
= output_handler
;
569 context
->output_handler_priv
= priv
;
572 command_context_t
* copy_command_context(command_context_t
* context
)
574 command_context_t
* copy_context
= malloc(sizeof(command_context_t
));
576 *copy_context
= *context
;
581 int command_done(command_context_t
*context
)
589 command_context_t
* command_init()
591 command_context_t
* context
= malloc(sizeof(command_context_t
));
593 context
->mode
= COMMAND_EXEC
;
594 context
->commands
= NULL
;
595 context
->current_target
= 0;
596 context
->output_handler
= NULL
;
597 context
->output_handler_priv
= NULL
;
599 register_command(context
, NULL
, "help", command_print_help
,
600 COMMAND_EXEC
, "display this help");
602 register_command(context
, NULL
, "sleep", handle_sleep_command
,
603 COMMAND_ANY
, "sleep for <n> milliseconds");
605 register_command(context
, NULL
, "time", handle_time_command
,
606 COMMAND_ANY
, "time <cmd + args> - execute <cmd + args> and print time it took");
608 register_command(context
, NULL
, "fast", handle_fast_command
,
609 COMMAND_ANY
, "fast <enable/disable> - place at beginning of config files. Sets defaults to fast and dangerous.");
614 /* sleep command sleeps for <n> miliseconds
615 * this is useful in target startup scripts
617 int handle_sleep_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
619 unsigned long duration
= 0;
623 duration
= strtoul(args
[0], NULL
, 0);
624 usleep(duration
* 1000);
630 int handle_fast_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
633 return ERROR_COMMAND_SYNTAX_ERROR
;
635 fast_and_dangerous
= strcmp("enable", args
[0])==0;
641 int handle_time_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
649 return ERROR_COMMAND_SYNTAX_ERROR
;
651 duration_start_measure(&duration
);
653 retval
= find_and_run_command(cmd_ctx
, cmd_ctx
->commands
, args
, argc
, 0);
655 duration_stop_measure(&duration
, &duration_text
);
657 t
=duration
.duration
.tv_sec
;
658 t
+=((float)duration
.duration
.tv_usec
/ 1000000.0);
659 command_print(cmd_ctx
, "%s took %fs", args
[0], t
);
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)