+++ /dev/null
-/************************************************************************
- * RSTP library - Rapid Spanning Tree (802.1t, 802.1w)
- * Copyright (C) 2001-2003 Optical Access
- * Author: Alex Rozin
- *
- * This file is part of RSTP library.
- *
- * RSTP library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by the
- * Free Software Foundation; version 2.1
- *
- * RSTP library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
- * General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with RSTP library; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- **********************************************************************/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include <sys/wait.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <signal.h>
-#include <unistd.h>
-#include <errno.h>
-#include <readline/readline.h>
-#include <readline/history.h>
-
-#include "cli.h"
-
-static CMD_DSCR_T* TheList = 0;
-
-static int
-cli_parse_parms (const char* line, int skip_words, char** argv)
-{
- static char pool[MAX_CLI_BUFF];
- register char* ptr;
- register int argc = 0, iii;
-
- ptr = strchr (line, '\n');
- if (ptr) *ptr = '\0';
- memcpy (pool, line, MAX_CLI_BUFF);
- pool[MAX_CLI_BUFF - 1] = '\0';
-
- for (iii = 0; iii < MAXPARAMNUM; iii++) {
- ptr = strtok (iii ? NULL : pool, "\t\n ");
- if (! ptr) break;
- if (skip_words-- <= 0) {
- /* printf ("\targv[%d]='%s' skip_words=%d\n", argc, ptr, skip_words); */
- argv[argc++] = ptr;
- } else {
- /* printf ("\tskip '%s' skip_words now %d\n", ptr, skip_words); */
- }
- }
-
- return argc;
-}
-
-int cli_count_words (char* line)
-{
- static char pool[MAX_CLI_BUFF];
- register char* ptr = NULL;
- register int cnt;
-
- ptr = strchr (line, '\n');
- if (ptr) *ptr = '\0';
- strncpy (pool, line, MAX_CLI_BUFF);
- pool[MAX_CLI_BUFF - 1] = '\0';
-
- for (cnt = 0;; cnt++) {
- ptr = strtok (cnt ? NULL : pool, "\t\n ");
- if (! ptr) {
- break;
- }
- }
-
- return cnt - 1;
-}
-
-void cli_register_language (const CMD_DSCR_T* cmd_list)
-{
- TheList = ( CMD_DSCR_T*) cmd_list;
-}
-
-static int help_on_param (int iii, CMD_PAR_DSCR_T* par, int cry_on_empty)
-{
- register int kkk;
-
- if (! par->param_help) {
- if (cry_on_empty)
- printf ("absent parameter #%d\n", iii);
- return 1;
- }
-
- printf (" arg%2d: %s", iii + 1, par->param_help);
- switch (par->param_type) {
- case CMD_PAR_NUMBER:
- printf ("; integer in [%ld, %ld]",par->number_limits.min,par->number_limits.max);
- break;
- case CMD_PAR_STRING:
- break;
- case CMD_PAR_BOOL_YN:
- case CMD_PAR_ENUM:
- printf ("\n");
- for (kkk = 0; par->string_selector[kkk].string_value; kkk++) {
- printf (" %-20s\t%s\n",
- par->string_selector[kkk].string_value,
- par->string_selector[kkk].string_help);
- }
- break;
- }
-
- if (par->default_value) {
- printf (" default '%s'", par->default_value);
- }
- printf (" \n");
- return 0;
-}
-
-void help_on_command (CMD_DSCR_T* reg, char brief)
-{
- register CMD_PAR_DSCR_T* par;
- register int iii;
-
- if (brief) {
- printf ("%-20s %s\n", reg->cmd_name, reg->cmd_help);
- return;
- }
- printf ("%s: %s\n", reg->cmd_name, reg->cmd_help);
- for (iii = 0; iii < 2 + strlen (reg->cmd_name) + strlen (reg->cmd_help); iii++)
- printf ("-");
-
- printf ("\n");
- if (reg->param->param_help)
- printf (" arguments:\n ----------\n");
- for (iii = 0, par = reg->param; ; iii++, par++) {
- if (! par->param_help) break;
- help_on_param (iii + 1, par, 0);
- }
- if (reg->param->param_help)
- printf ("\n");
-}
-
-static int cli_dummy (int argc, char** argv)
-{
- return 0;
-}
-
-static CMD_DSCR_T stdcmd[] = {
- THE_COMMAND("exit", "'shutdown'")
- THE_FUNC(cli_dummy)
-
- THE_COMMAND("?", "help")
- THE_FUNC(cli_dummy)
-
- END_OF_LANG
-};
-
-static char* get_commnad_name (int list_index)
-{
- register CMD_DSCR_T* reg;
-
- if (list_index < 2 && list_index >= 0) {
- return stdcmd[list_index].cmd_name;
- }
-
- list_index -= 2;
- reg = TheList + list_index;
- if (reg->cmd_name && *reg->cmd_name)
- return reg->cmd_name;
- return NULL;
-}
-
-static int find_command (const char* line, char forHelp, CMD_DSCR_T **reg_ptr)
-{
- register CMD_DSCR_T* reg;
- register int iii = 0;
-
- for (reg = stdcmd; reg->cmd_name; reg++) {
- if (! strncasecmp (reg->cmd_name, line, strlen (line))) {
- *reg_ptr = reg; iii++;
- if (forHelp)
- help_on_command (reg, 1);
- }
- }
-
- for (reg = TheList; reg->cmd_name; reg++) {
- if (! strncasecmp (reg->cmd_name, line, strlen (line))) {
- *reg_ptr = reg; iii++;
- if (forHelp)
- help_on_command (reg, 1);
- }
- }
-
- return iii;
-}
-
-void usage (void)
-{
- CMD_DSCR_T* reg;
-
- if (! TheList) {
- printf ("Sorry, command list hasn't been registered\n");
- return;
- }
-
- printf ("List of possible commands:\n");
- for (reg = TheList; reg->cmd_name; reg++) {
- help_on_command (reg, 1);
- }
-
- printf ("'standard' commands:\n");
- for (reg = stdcmd; reg->cmd_name; reg++) {
- help_on_command (reg, 1);
- }
-}
-
-void cli_debug_dump_args (char* title, int argc, char** argv)
-{
- int iii;
- printf ("in %s argc=%d\n", title, argc);
- for (iii = 0; iii < argc; iii++)
- printf ("\targv[%d]='%s'\n", iii, argv[iii]);
- printf ("\n");
-}
-
-
-static int count_command_paramms (CMD_DSCR_T* reg)
-{
- register int iii;
- register CMD_PAR_DSCR_T* par;
-
- for (iii = 0, par = reg->param; ; iii++, par++) {
- if (! par->param_help) break;
- }
- return iii;
-}
-
-static void
-cli_help_brosed_line (int argc, char** argv, const char* line)
-{
- char pool[MAX_CLI_BUFF];
- CMD_DSCR_T* reg;
- int iii, nf;
-
- printf ("\n");
-#if 0
- cli_debug_dump_args ("cli_help_brosed_line", argc, argv);
-#endif
-
- memset (pool, 0, MAX_CLI_BUFF);
- for (iii = 0; iii < argc; iii++) {
- if (iii) strcat (pool, " ");
- strcat (pool, argv[iii]);
- nf = find_command (pool, 0, ®);
- if (1 == nf) {
- nf = count_command_paramms (reg);
- iii++;
-#if 0
- printf ("iii=%d argc=%d nf=%d\n", iii, argc, nf);
-#endif
- nf = strlen (line);
- if (nf && ' ' == line[nf - 1])
- argc++;
- if (iii < argc) {
- iii = argc - iii - 1;
- if (! help_on_param (iii + 1, reg->param + iii, 1)) {
- return;
- }
- }
- help_on_command (reg, 0);
- return;
- } else if (! nf) {
- printf ("\nunknown <%s>\n", pool);
- usage ();
- return;
- }
- }
- find_command (pool, 1, ®);
-}
-
-void cli_help (int argc, char** argv, const char* line)
-{
-#if 0
- cli_debug_dump_args ("cli_help", argc, argv);
-#endif
- if (argc > 1)
- cli_help_brosed_line (argc - 1, argv + 1, line);
- else
- usage ();
-}
-
-static void cli_set_defaults (CMD_DSCR_T* reg, char** argv)
-{
- register int iii;
- register CMD_PAR_DSCR_T* par;
-
- for (iii = 0, par = reg->param; ; iii++, par++) {
- if (! par->param_help) break;
- argv[iii + 1] = par->default_value;
- }
-}
-
-static int cli_call_callback (CMD_DSCR_T* reg, const char* line, int* argc, char** argv)
-{
- int cnt;
-
- if (reg->clbk) {
- cnt = cli_count_words (reg->cmd_name);
- /* printf ("cli_count_words returned %d\n", cnt); */
- cli_set_defaults (reg, argv);
- *argc = cli_parse_parms (line, cnt, argv);
- return (*reg->clbk) (*argc, argv);
- }
- printf ("<Empty command !>\n");
- return 0;
-}
-
-int cli_execute_command (const char* line)
-{
- CMD_DSCR_T* reg;
- int argc, nf;
- char *argv[MAXPARAMNUM];
-
- if ('\n' == *line || ! *line) return 0;
-
- /* check "common commands" */
- if ('q' == *line || ! strncasecmp ("ex", line, 2)) {
- return 4;
- }
-
- if ('?' == *line || 'h' == *line) {
- argc = cli_parse_parms (line, 0, argv);
- cli_help (argc, argv, line);
- return 0;
- }
-
- if (! TheList) {
- printf ("Sorry, command list hasn't been registered\n");
- return -11;
- }
-
- for (reg = TheList; reg->cmd_name; reg++) {
- if (! strncasecmp (reg->cmd_name, line, strlen (reg->cmd_name))) {
- return cli_call_callback (reg, line, &argc, argv);
- }
- }
-
- nf = find_command (line, 0, ®);
- if (1 == nf)
- return cli_call_callback (reg, line, &argc, argv);
-
- printf ("unknown command: <%s>", line);
- usage ();
- return 0;
-}
-
-extern char shutdown_flag;
-
-char read_cli (void)
-{
- if (!rl_line_buffer) {
- return 1;
- }
-
- if (*rl_line_buffer != 0) {
- add_history (rl_line_buffer);
- /** printf ("\n try to call <%s>\n", rl_line_buffer); **/
-
- if (0 != cli_execute_command (rl_line_buffer)) {
- printf("Goodbye, I'm a gonner\n");
- rl_callback_handler_remove ();
- return 2;
- }
- }
-
- return 0;
-}
-
-#ifdef OLD_READLINE
-void rl_read_cli (void)
-#else
-void rl_read_cli (char *str)
-#endif
-{
- shutdown_flag |= read_cli ();
- rl_callback_handler_install (get_prompt (), rl_read_cli);
-}
-
-char* UT_sprint_time_stamp (void)
-{
- time_t clock;
- struct tm *local_tm;
- static char time_str[20];
-
- time(&clock);
- local_tm = localtime (&clock);
- strftime(time_str, 20 - 1, "%H:%M:%S", local_tm);
- return time_str;
-}
-
-int complete_status;
-
-/* To disable readline's filename completion */
-#ifdef OLD_READLINE
-int cli_completion_entry_fucntion (int ignore, int invoking_key)
-{ return 0; }
-#else
-char* cli_completion_entry_fucntion (const char *str, int ignore)
-{ return NULL; }
-#endif
-
-#ifdef OLD_READLINE
-char* command_generator (char* text, int state)
-#else
-char* command_generator (const char* text, int state)
-#endif
-{
- static int list_index, len;
- char *name, dlen;
-
-/****
- printf (" state=%d list_index=%d rl_line_buffer'%s' text'%s'\n",
- state, list_index, rl_line_buffer, text);
-****/
-
- dlen = strlen (rl_line_buffer) - strlen (text);
- if (! state) {
- list_index = 0;
- len = strlen (rl_line_buffer);
-/****
- printf ("\tlen=%d text<%s>\n", len, text);
-****/
- }
-
- for (;;) {
- name = get_commnad_name (list_index);
- if (! name) break;
- list_index++;
- if (! strncmp (rl_line_buffer, name, len)) {
-/****
- printf (" find <%s> => return '%s'\n", name, name + dlen);
-****/
- return strdup (name + dlen);
- }
- }
-
- return ((char *)NULL);
-}
-
-#ifdef OLD_READLINE
-int cli_inline_help (void)
-#else
-int cli_inline_help (int a, int b)
-#endif
-{
- int argc;
- char *argv[MAXPARAMNUM];
-
- if (! *rl_line_buffer) {
- usage ();
- } else {
- argc = cli_parse_parms (rl_line_buffer, 0, argv);
- cli_help_brosed_line (argc, argv, (const char*) rl_line_buffer);
- }
-
- rl_on_new_line();
- return 0;
-
-}
-
-char **
-cli_private_completion (char *text, int start, int end)
-{
- char **matches = NULL;
-
-#ifdef OLD_READLINE
- matches = completion_matches (text, command_generator);
-#else
- matches = rl_completion_matches (text, command_generator);
-#endif
-
- return matches;
-}
-
-void rl_init ()
-{
- /* disable completion */
-#if 0
- rl_bind_key ('\t', rl_insert);
-#else
- rl_callback_handler_install (get_prompt (), rl_read_cli);
- rl_bind_key ('?', cli_inline_help);
- rl_completion_entry_function = cli_completion_entry_fucntion;
- rl_attempted_completion_function = (CPPFunction *)cli_private_completion;
- rl_completion_append_character = '\0';
-#endif
-}
-
-void rl_shutdown ()
-{
- rl_initialize ();
-}
-
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