cmd.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994, by Sun Microsytems, Inc.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Includes
*/
#ifndef DEBUG
#define NDEBUG 1
#endif
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <libintl.h>
#include "cmd.h"
#include "set.h"
#include "fcn.h"
#include "new.h"
#include "source.h"
/*
* Globals
*/
static queue_node_t g_cmdlist = {
&g_cmdlist,
&g_cmdlist};
/*
* cmd_set() - creates a cmd using a named set and adds it to the global list
*/
cmd_t *
cmd_set(char *setname_p, cmd_kind_t kind, char *fcnname_p)
{
cmd_t *new_p;
set_t *set_p;
set_p = set_find(setname_p);
if (!set_p) {
semantic_err(gettext("no set named \"$%s\""), setname_p);
return (NULL);
}
if (kind == CMD_CONNECT && !fcn_find(fcnname_p)) {
semantic_err(gettext("no function named \"&%s\""), fcnname_p);
return (NULL);
}
new_p = new(cmd_t);
queue_init(&new_p->qn);
#ifdef LATEBINDSETS
new_p->isnamed = B_TRUE;
new_p->expr.setname_p = setname_p;
#else
new_p->isnamed = B_FALSE;
new_p->expr.expr_p = expr_dup(set_p->exprlist_p);
#endif
new_p->isnew = B_TRUE;
new_p->kind = kind;
new_p->fcnname_p = fcnname_p;
(void) queue_append(&g_cmdlist, &new_p->qn);
return (new_p);
} /* end cmd_set */
/*
* cmd_expr() - creates a cmd using a set and adds it to the global list
*/
cmd_t *
cmd_expr(expr_t * expr_p, cmd_kind_t kind, char *fcnname_p)
{
cmd_t *new_p;
if (kind == CMD_CONNECT && !fcn_find(fcnname_p)) {
semantic_err(gettext("no function named \"&%s\""), fcnname_p);
return (NULL);
}
new_p = new(cmd_t);
queue_init(&new_p->qn);
new_p->isnamed = B_FALSE;
new_p->expr.expr_p = expr_p;
new_p->isnew = B_TRUE;
new_p->kind = kind;
new_p->fcnname_p = fcnname_p;
(void) queue_append(&g_cmdlist, &new_p->qn);
return (new_p);
} /* end cmd */
#if 0
/*
* cmd_destroy()
*/
static void
cmd_destroy(cmd_t * cmd_p)
{
if (!cmd_p)
return;
if (!queue_isempty(&cmd_p->qn))
(void) queue_remove(&cmd_p->qn);
if (!cmd_p->isnamed)
expr_destroy(cmd_p->expr.expr_p);
free(cmd_p);
} /* end cmd_destroy */
#endif
/*
* cmd_list() - pretty prints the global cmdlist
*/
void
cmd_list(void)
{
cmd_t *cmd_p;
int i = 0;
char *str_p;
cmd_p = (cmd_t *) & g_cmdlist;
while ((cmd_p = (cmd_t *) queue_next(&g_cmdlist, &cmd_p->qn))) {
switch (cmd_p->kind) {
case CMD_ENABLE:
str_p = "enable ";
break;
case CMD_DISABLE:
str_p = "disable";
break;
case CMD_CONNECT:
str_p = "connect";
break;
case CMD_CLEAR:
str_p = "clear ";
break;
case CMD_TRACE:
str_p = "trace ";
break;
case CMD_UNTRACE:
str_p = "untrace";
break;
default:
str_p = "???????";
break;
}
(void) printf("[%d] %s ", i++, str_p);
if (cmd_p->kind == CMD_CONNECT) {
(void) printf("&%s ", cmd_p->fcnname_p);
}
if (!cmd_p->isnamed) {
expr_print(stdout, cmd_p->expr.expr_p);
}
(void) printf("\n");
}
} /* end cmd_list */
/*
* cmd_traverse() - calls the suppied traversal function on each command.
*/
tnfctl_errcode_t
cmd_traverse(cmd_traverse_func_t percmdfunc, void *calldata_p)
{
cmd_t *cmd_p;
tnfctl_errcode_t err = TNFCTL_ERR_NONE;
cmd_p = (cmd_t *) & g_cmdlist;
while ((cmd_p = (cmd_t *) queue_next(&g_cmdlist, &cmd_p->qn))) {
expr_t *expr_p;
fcn_t *fcn_p;
if (!cmd_p->isnamed) {
expr_p = cmd_p->expr.expr_p;
}
if (cmd_p->kind == CMD_CONNECT) {
fcn_p = fcn_find(cmd_p->fcnname_p);
assert(fcn_p);
}
else
fcn_p = NULL;
err = (*percmdfunc) (expr_p,
cmd_p->kind,
fcn_p, cmd_p->isnew, calldata_p);
if (err)
return (err);
}
return (err);
} /* end cmd_traverse */
/*
* cmd_traverse() - calls the suppied traversal function on each command.
*/
tnfctl_errcode_t
cmd_callback(cmd_t *cmd_p, cmd_traverse_func_t percmdfunc, void *calldata_p)
{
tnfctl_errcode_t err = TNFCTL_ERR_NONE;
expr_t *expr_p;
fcn_t *fcn_p;
if (!cmd_p->isnamed) {
expr_p = cmd_p->expr.expr_p;
}
if (cmd_p->kind == CMD_CONNECT) {
fcn_p = fcn_find(cmd_p->fcnname_p);
assert(fcn_p);
}
else
fcn_p = NULL;
err = (*percmdfunc) (expr_p, cmd_p->kind, fcn_p, cmd_p->isnew,
calldata_p);
return (err);
}
#ifdef NOTNEEDED
/*
* cmd_mark() - mark all of the commands in the global list as old
*/
void
cmd_mark(void)
{
cmd_t *cmd_p;
cmd_p = (cmd_t *) & g_cmdlist;
while ((cmd_p = (cmd_t *) queue_next(&g_cmdlist, &cmd_p->qn))) {
cmd_p->isnew = B_FALSE;
}
} /* end cmd_mark */
/*
* cmd_delete() -
*/
void
cmd_delete(int cmdnum)
{
cmd_t *cmd_p;
int i = 0;
cmd_p = (cmd_t *) & g_cmdlist;
while ((cmd_p = (cmd_t *) queue_next(&g_cmdlist, &cmd_p->qn))) {
if (cmdnum == i) {
cmd_destroy(cmd_p);
return;
}
i++;
}
} /* end cmd_delete */
#endif