2 * Copyright (c) 2003-2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
27 #include "block/aio.h"
28 #include "qemu/main-loop.h"
30 #define _(x) x /* not gettext support yet */
32 /* from libxcmd/command.c */
37 static argsfunc_t args_func;
38 static checkfunc_t check_func;
40 static char **cmdline;
43 compare(const void *a, const void *b)
45 return strcmp(((const cmdinfo_t *)a)->name,
46 ((const cmdinfo_t *)b)->name);
49 void add_command(const cmdinfo_t *ci)
51 cmdtab = g_realloc((void *)cmdtab, ++ncmds * sizeof(*cmdtab));
52 cmdtab[ncmds - 1] = *ci;
53 qsort(cmdtab, ncmds, sizeof(*cmdtab), compare);
61 return check_func(ci);
76 printf("%s %s -- %s\n", ci->name, ci->args, ci->oneline);
88 if (!check_command(ct))
91 if (argc-1 < ct->argmin || (ct->argmax != -1 && argc-1 > ct->argmax)) {
94 _("bad argument count %d to %s, expected at least %d arguments\n"),
95 argc-1, cmd, ct->argmin);
96 else if (ct->argmin == ct->argmax)
98 _("bad argument count %d to %s, expected %d arguments\n"),
99 argc-1, cmd, ct->argmin);
102 _("bad argument count %d to %s, expected between %d and %d arguments\n"),
103 argc-1, cmd, ct->argmin, ct->argmax);
107 return ct->cfunc(argc, argv);
116 for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++) {
117 if (strcmp(ct->name, cmd) == 0 ||
118 (ct->altname && strcmp(ct->altname, cmd) == 0))
119 return (const cmdinfo_t *)ct;
124 void add_user_command(char *optarg)
126 cmdline = g_realloc(cmdline, ++ncmdline * sizeof(char *));
127 cmdline[ncmdline-1] = optarg;
135 return args_func(index);
146 static void prep_fetchline(void *opaque)
148 int *fetchable = opaque;
150 qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
154 static char *get_prompt(void);
156 void command_loop(void)
158 int c, i, j = 0, done = 0, fetchable = 0, prompted = 0;
163 for (i = 0; !done && i < ncmdline; i++) {
164 input = strdup(cmdline[i]);
166 fprintf(stderr, _("cannot strdup command '%s': %s\n"),
167 cmdline[i], strerror(errno));
170 v = breakline(input, &c);
172 ct = find_command(v[0]);
174 if (ct->flags & CMD_FLAG_GLOBAL) {
175 done = command(ct, c, v);
178 while (!done && (j = args_command(j))) {
179 done = command(ct, c, v);
183 fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
195 printf("%s", get_prompt());
197 qemu_set_fd_handler(STDIN_FILENO, prep_fetchline, NULL, &fetchable);
201 main_loop_wait(false);
210 v = breakline(input, &c);
212 ct = find_command(v[0]);
214 done = command(ct, c, v);
216 fprintf(stderr, _("command \"%s\" not found\n"), v[0]);
224 qemu_set_fd_handler(STDIN_FILENO, NULL, NULL, NULL);
227 /* from libxcmd/input.c */
229 #if defined(ENABLE_READLINE)
230 # include <readline/history.h>
231 # include <readline/readline.h>
232 #elif defined(ENABLE_EDITLINE)
233 # include <histedit.h>
239 static char prompt[FILENAME_MAX + 2 /*"> "*/ + 1 /*"\0"*/ ];
242 snprintf(prompt, sizeof(prompt), "%s> ", progname);
246 #if defined(ENABLE_READLINE)
252 line = readline(get_prompt());
257 #elif defined(ENABLE_EDITLINE)
258 static char *el_get_prompt(EditLine *e) { return get_prompt(); }
263 static History *hist;
269 hist = history_init();
270 history(hist, &hevent, H_SETSIZE, 100);
271 el = el_init(progname, stdin, stdout, stderr);
273 el_set(el, EL_SIGNAL, 1);
274 el_set(el, EL_PROMPT, el_get_prompt);
275 el_set(el, EL_HIST, history, (const char *)hist);
277 line = strdup(el_gets(el, &count));
280 line[count-1] = '\0';
282 history(hist, &hevent, H_ENTER, line);
287 # define MAXREADLINESZ 1024
291 char *p, *line = malloc(MAXREADLINESZ);
295 if (!fgets(line, MAXREADLINESZ, stdin)) {
299 p = line + strlen(line);
300 if (p != line && p[-1] == '\n')
306 static char *qemu_strsep(char **input, const char *delim)
308 char *result = *input;
309 if (result != NULL) {
312 for (p = result; *p != '\0'; p++) {
313 if (strchr(delim, *p)) {
327 char **breakline(char *input, int *count)
331 char **rval = calloc(sizeof(char *), 1);
334 while (rval && (p = qemu_strsep(&input, " ")) != NULL) {
339 tmp = realloc(rval, sizeof(*rval) * (c + 1));
364 #define EXABYTES(x) ((long long)(x) << 60)
365 #define PETABYTES(x) ((long long)(x) << 50)
366 #define TERABYTES(x) ((long long)(x) << 40)
367 #define GIGABYTES(x) ((long long)(x) << 30)
368 #define MEGABYTES(x) ((long long)(x) << 20)
369 #define KILOBYTES(x) ((long long)(x) << 10)
379 i = strtoll(s, &sp, 0);
380 if (i == 0 && sp == s)
388 c = qemu_tolower(*sp);
408 #define TO_EXABYTES(x) ((x) / EXABYTES(1))
409 #define TO_PETABYTES(x) ((x) / PETABYTES(1))
410 #define TO_TERABYTES(x) ((x) / TERABYTES(1))
411 #define TO_GIGABYTES(x) ((x) / GIGABYTES(1))
412 #define TO_MEGABYTES(x) ((x) / MEGABYTES(1))
413 #define TO_KILOBYTES(x) ((x) / KILOBYTES(1))
424 if (value >= EXABYTES(1)) {
426 snprintf(str, size - 4, "%.3f", TO_EXABYTES(value));
427 } else if (value >= PETABYTES(1)) {
429 snprintf(str, size - 4, "%.3f", TO_PETABYTES(value));
430 } else if (value >= TERABYTES(1)) {
432 snprintf(str, size - 4, "%.3f", TO_TERABYTES(value));
433 } else if (value >= GIGABYTES(1)) {
435 snprintf(str, size - 4, "%.3f", TO_GIGABYTES(value));
436 } else if (value >= MEGABYTES(1)) {
438 snprintf(str, size - 4, "%.3f", TO_MEGABYTES(value));
439 } else if (value >= KILOBYTES(1)) {
441 snprintf(str, size - 4, "%.3f", TO_KILOBYTES(value));
444 snprintf(str, size - 6, "%f", value);
447 trim = strstr(str, ".000");
449 strcpy(trim, suffix);
456 tsub(struct timeval t1, struct timeval t2)
458 t1.tv_usec -= t2.tv_usec;
459 if (t1.tv_usec < 0) {
460 t1.tv_usec += 1000000;
463 t1.tv_sec -= t2.tv_sec;
468 tdiv(double value, struct timeval tv)
470 return value / ((double)tv.tv_sec + ((double)tv.tv_usec / 1000000.0));
473 #define HOURS(sec) ((sec) / (60 * 60))
474 #define MINUTES(sec) (((sec) % (60 * 60)) / 60)
475 #define SECONDS(sec) ((sec) % 60)
484 double usec = (double)tv->tv_usec / 1000000.0;
486 if (format & TERSE_FIXED_TIME) {
487 if (!HOURS(tv->tv_sec)) {
488 snprintf(ts, size, "%u:%02u.%02u",
489 (unsigned int) MINUTES(tv->tv_sec),
490 (unsigned int) SECONDS(tv->tv_sec),
491 (unsigned int) (usec * 100));
494 format |= VERBOSE_FIXED_TIME; /* fallback if hours needed */
497 if ((format & VERBOSE_FIXED_TIME) || tv->tv_sec) {
498 snprintf(ts, size, "%u:%02u:%02u.%02u",
499 (unsigned int) HOURS(tv->tv_sec),
500 (unsigned int) MINUTES(tv->tv_sec),
501 (unsigned int) SECONDS(tv->tv_sec),
502 (unsigned int) (usec * 100));
504 snprintf(ts, size, "0.%04u sec", (unsigned int) (usec * 10000));
509 /* from libxcmd/quit.c */
511 static cmdinfo_t quit_cmd;
525 quit_cmd.name = _("quit");
526 quit_cmd.altname = _("q");
527 quit_cmd.cfunc = quit_f;
528 quit_cmd.argmin = -1;
529 quit_cmd.argmax = -1;
530 quit_cmd.flags = CMD_FLAG_GLOBAL;
531 quit_cmd.oneline = _("exit the program");
533 add_command(&quit_cmd);
536 /* from libxcmd/help.c */
538 static cmdinfo_t help_cmd;
539 static void help_onecmd(const char *cmd, const cmdinfo_t *ct);
540 static void help_oneline(const char *cmd, const cmdinfo_t *ct);
547 for (ct = cmdtab; ct < &cmdtab[ncmds]; ct++)
548 help_oneline(ct->name, ct);
549 printf(_("\nUse 'help commandname' for extended help.\n"));
563 ct = find_command(argv[1]);
565 printf(_("command %s not found\n"), argv[1]);
568 help_onecmd(argv[1], ct);
577 help_oneline(cmd, ct);
590 printf("%s ", ct->name);
592 printf("(or %s) ", ct->altname);
595 printf("%s ", ct->args);
596 printf("-- %s\n", ct->oneline);
602 help_cmd.name = _("help");
603 help_cmd.altname = _("?");
604 help_cmd.cfunc = help_f;
607 help_cmd.flags = CMD_FLAG_GLOBAL;
608 help_cmd.args = _("[command]");
609 help_cmd.oneline = _("help for one or all commands");
611 add_command(&help_cmd);