/*----------------------------------------------------------- */
int clish_shell_execute(clish_context_t *context, char **out)
{
clish_shell_t *this = clish_context__get_shell(context);
const clish_command_t *cmd = clish_context__get_cmd(context);
int result = 0;
const char *lock_path = clish_shell__get_lockfile(this);
int lock_fd = -1;
clish_view_t *cur_view = clish_shell__get_view(this);
unsigned int saved_wdog_timeout = this->wdog_timeout;
assert(cmd);
/* Pre-change view if the command is from another depth/view */
{
clish_view_restore_e restore = clish_command__get_restore(cmd);
if ((CLISH_RESTORE_VIEW == restore) &&
(clish_command__get_pview(cmd) != cur_view)) {
clish_view_t *view = clish_command__get_pview(cmd);
clish_shell__set_pwd(this, NULL, view, NULL, context);
} else if ((CLISH_RESTORE_DEPTH == restore) &&
(clish_command__get_depth(cmd) < this->depth)) {
this->depth = clish_command__get_depth(cmd);
}
}
/* Lock the lockfile */
if (lock_path && clish_action__get_lock(clish_command__get_action(cmd))) {
lock_fd = clish_shell_lock(lock_path);
if (-1 == lock_fd) {
result = -1;
goto error; /* Can't set lock */
}
}
/* Execute ACTION */
clish_context__set_action(context, clish_command__get_action(cmd));
result = clish_shell_exec_action(context, out);
/* Call config callback */
if (!result)
clish_shell_exec_config(context);
/* Call logging callback */
if (clish_shell__get_log(this) &&
clish_shell_check_hook(context, CLISH_SYM_TYPE_LOG)) {
char *full_line = clish_shell__get_full_line(context);
clish_shell_exec_log(context, full_line, result);
lub_string_free(full_line);
}
if (clish_shell__get_canon_out(this) &&
!clish_command__get_internal(cmd)) {
char *space = NULL;
char *full_line = clish_shell__get_full_line(context);
if (this->depth > 0) {
space = malloc(this->depth + 1);
memset(space, ' ', this->depth);
space[this->depth] = '\0';
}
printf("%s%s\n", space ? space : "", full_line);
lub_string_free(full_line);
if (space)
free(space);
}
/* Unlock the lockfile */
if (lock_fd != -1)
clish_shell_unlock(lock_fd);
/* Move into the new view */
if (!result) {
char *viewname = clish_shell_expand(clish_command__get_viewname(cmd), SHELL_VAR_NONE, context);
if (viewname) {
/* Search for the view */
clish_view_t *view = clish_shell_find_view(this, viewname);
if (!view)
fprintf(stderr, "System error: Can't "
"change view to %s\n", viewname);
lub_string_free(viewname);
/* Save the PWD */
if (view) {
char *line = clish_shell__get_line(context);
clish_shell__set_pwd(this, line, view,
clish_command__get_viewid(cmd), context);
lub_string_free(line);
}
}
}
/* Set appropriate timeout. Workaround: Don't turn on watchdog
on the "set watchdog <timeout>" command itself. */
if (this->wdog_timeout && saved_wdog_timeout) {
tinyrl__set_timeout(this->tinyrl, this->wdog_timeout);
this->wdog_active = BOOL_TRUE;
fprintf(stderr, "Warning: The watchdog is active. Timeout is %u "
"seconds.\nWarning: Press any key to stop watchdog.\n",
this->wdog_timeout);
} else
tinyrl__set_timeout(this->tinyrl, this->idle_timeout);
error:
return result;
}
/*----------------------------------------------------------- */
int clish_shell_execute(clish_context_t *context, char **out)
{
clish_shell_t *this = clish_context__get_shell(context);
const clish_command_t *cmd = clish_context__get_cmd(context);
int result = 0;
char *lock_path = clish_shell__get_lockfile(this);
int lock_fd = -1;
sigset_t old_sigs;
struct sigaction old_sigint, old_sigquit, old_sighup;
clish_view_t *cur_view = clish_shell__get_view(this);
unsigned int saved_wdog_timeout = this->wdog_timeout;
assert(cmd);
/* Pre-change view if the command is from another depth/view */
{
clish_view_restore_t restore = clish_command__get_restore(cmd);
if ((CLISH_RESTORE_VIEW == restore) &&
(clish_command__get_pview(cmd) != cur_view)) {
clish_view_t *view = clish_command__get_pview(cmd);
clish_shell__set_pwd(this, NULL, view, NULL, context);
} else if ((CLISH_RESTORE_DEPTH == restore) &&
(clish_command__get_depth(cmd) < this->depth)) {
this->depth = clish_command__get_depth(cmd);
}
}
/* Lock the lockfile */
if (lock_path && clish_command__get_lock(cmd)) {
lock_fd = clish_shell_lock(lock_path);
if (-1 == lock_fd) {
result = -1;
goto error; /* Can't set lock */
}
}
/* Ignore and block SIGINT, SIGQUIT, SIGHUP */
if (!clish_command__get_interrupt(cmd)) {
struct sigaction sa;
sigset_t sigs;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
sa.sa_handler = SIG_IGN;
sigaction(SIGINT, &sa, &old_sigint);
sigaction(SIGQUIT, &sa, &old_sigquit);
sigaction(SIGHUP, &sa, &old_sighup);
sigemptyset(&sigs);
sigaddset(&sigs, SIGINT);
sigaddset(&sigs, SIGQUIT);
sigaddset(&sigs, SIGHUP);
sigprocmask(SIG_BLOCK, &sigs, &old_sigs);
}
/* Execute ACTION */
clish_context__set_action(context, clish_command__get_action(cmd));
result = clish_shell_exec_action(context, out);
/* Restore SIGINT, SIGQUIT, SIGHUP */
if (!clish_command__get_interrupt(cmd)) {
sigprocmask(SIG_SETMASK, &old_sigs, NULL);
/* Is the signals delivery guaranteed here (before
sigaction restore) for previously blocked and
pending signals? The simple test is working well.
I don't want to use sigtimedwait() function bacause
it needs a realtime extensions. The sigpending() with
the sleep() is not nice too. Report bug if clish will
get the SIGINT after non-interruptable action.
*/
sigaction(SIGINT, &old_sigint, NULL);
sigaction(SIGQUIT, &old_sigquit, NULL);
sigaction(SIGHUP, &old_sighup, NULL);
}
/* Call config callback */
if (!result)
clish_shell_exec_config(context);
/* Call logging callback */
if (clish_shell__get_log(this) &&
clish_shell_check_hook(context, CLISH_SYM_TYPE_LOG)) {
char *full_line = clish_shell__get_full_line(context);
clish_shell_exec_log(context, full_line, result);
lub_string_free(full_line);
}
/* Unlock the lockfile */
if (lock_fd != -1)
clish_shell_unlock(lock_fd);
/* Move into the new view */
if (!result) {
char *viewname = clish_shell_expand(clish_command__get_viewname(cmd), SHELL_VAR_NONE, context);
if (viewname) {
/* Search for the view */
clish_view_t *view = clish_shell_find_view(this, viewname);
if (!view)
fprintf(stderr, "System error: Can't "
"change view to %s\n", viewname);
lub_string_free(viewname);
/* Save the PWD */
if (view) {
char *line = clish_shell__get_line(context);
clish_shell__set_pwd(this, line, view,
clish_command__get_viewid(cmd), context);
lub_string_free(line);
}
}
}
/* Set appropriate timeout. Workaround: Don't turn on watchdog
on the "set watchdog <timeout>" command itself. */
if (this->wdog_timeout && saved_wdog_timeout) {
tinyrl__set_timeout(this->tinyrl, this->wdog_timeout);
this->wdog_active = BOOL_TRUE;
fprintf(stderr, "Warning: The watchdog is active. Timeout is %u "
"seconds.\nWarning: Press any key to stop watchdog.\n",
this->wdog_timeout);
} else
tinyrl__set_timeout(this->tinyrl, this->idle_timeout);
error:
return result;
}