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340 lines
13 KiB
C
340 lines
13 KiB
C
/******************************************************************************
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* file include/cmd.h
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* author YuLiang
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* version 1.0.0
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* date 09-Oct-2021
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* brief This file provides all the headers of the command functions.
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******************************************************************************
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* Attention
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*
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* <h2><center>© COPYRIGHT(c) 2021 LandPower</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of LandPower nor the names of its contributors may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************/
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#ifndef _CMD_H_
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#define _CMD_H_
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/* Includes ------------------------------------------------------------------*/
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#include "array.h"
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#include "vty.h"
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/* Define --------------------------------------------------------------------*/
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/* 命令行最大参数个数. */
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#define CMD_ARGC_MAX 16
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/* rang检查数字最大位数. */
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#define DECIMAL_STRLEN_MAX 10
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#define INIT_MATCHARR_SIZE 10
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#define COMPLETE_BUF_SIZE 256
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#define IPV6_ADDR_STR "0123456789abcdefABCDEF:.%"
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#define IPV6_PREFIX_STR "0123456789abcdefABCDEF:.%/"
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#define STATE_START 1
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#define STATE_COLON 2
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#define STATE_DOUBLE 3
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#define STATE_ADDR 4
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#define STATE_DOT 5
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#define STATE_SLASH 6
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#define STATE_MASK 7
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/* 命令行返回值. */
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#define CMD_SUCCESS 0
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#define CMD_WARNING 1
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#define CMD_ERR_NO_MATCH 2
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#define CMD_ERR_AMBIGUOUS 3
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#define CMD_ERR_INCOMPLETE 4
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#define CMD_ERR_EXEED_ARGC_MAX 5
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#define CMD_ERR_NOTHING_TODO 6
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#define CMD_COMPLETE_FULL_MATCH 7
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#define CMD_COMPLETE_MATCH 8
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#define CMD_COMPLETE_LIST_MATCH 9
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#define CMD_SUCCESS_DAEMON 10
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#define CONF_BACKUP_EXT ".sav"
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#define CL_COPYRIGHT "Copyright 2017-2018 LandPower."
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/* Common descriptions. */
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#define SHOW_STR "Show running system information\n"
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#define IP_STR "IP information\n"
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#define IPV6_STR "IPv6 information\n"
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#define NO_STR "Negate a command or set its defaults\n"
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#define REDIST_STR "Redistribute information from another routing protocol\n"
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#define CLEAR_STR "Reset functions\n"
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#define RIP_STR "RIP information\n"
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#define BGP_STR "BGP information\n"
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#define OSPF_STR "OSPF information\n"
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#define NEIGHBOR_STR "Specify neighbor router\n"
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#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
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#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
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#define ROUTER_STR "Enable a routing process\n"
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#define AS_STR "AS number\n"
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#define MBGP_STR "MBGP information\n"
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#define MATCH_STR "Match values from routing table\n"
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#define SET_STR "Set values in destination routing protocol\n"
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#define OUT_STR "Filter outgoing routing updates\n"
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#define IN_STR "Filter incoming routing updates\n"
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#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
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#define OSPF6_NUMBER_STR "Specify by number\n"
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#define INTERFACE_STR "Interface infomation\n"
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#define IFNAME_STR "Interface name(e.g. ep0)\n"
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#define IP6_STR "IPv6 Information\n"
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#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
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#define OSPF6_ROUTER_STR "Enable a routing process\n"
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#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
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#define SECONDS_STR "<1-65535> Seconds\n"
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#define ROUTE_STR "Routing Table\n"
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#define PREFIX_LIST_STR "Build a prefix list\n"
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/* Some macroes */
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#define CMD_OPTION(S) ('[' == (S[0]))
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#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ('<' == (S[0])))
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#define CMD_VARARG(S) ('.' ==(S[0]))
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#define CMD_RANGE(S) ('<' == (S[0]))
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#define CMD_IPV4(S) (0 == strcmp((S), "A.B.C.D"))
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#define CMD_IPV4_PREFIX(S) (0 == strcmp((S), "A.B.C.D/M"))
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#define CMD_IPV6(S) (0 == strcmp((S), "X:X::X:X"))
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#define CMD_IPV6_PREFIX(S) (0 == strcmp((S), "X:X::X:X/M"))
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#define DEV_INFO_DEFAULT_IP "192.168.1.110"
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#define DEV_INFO_DEFAULT_MASK "255.255.255.0"
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#define DEV_INFO_DEFAULT_GW "192.168.1.1"
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#define DEVICE_RUN_PATH "/home/gis"
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#define SAVE_STA_CFG_BAK_FILE 1
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#define SAVE_DEV_CFG_BAK_FILE 2
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/* Exported types ------------------------------------------------------------*/
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enum
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{
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CMD_ATTR_DEPRECATED = 1,
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CMD_ATTR_HIDDEN,
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};
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/* 匹配结果类型. */
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typedef enum
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{
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no_match,
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extend_match,
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ipv4_prefix_match,
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ipv4_match,
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ipv6_prefix_match,
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ipv6_match,
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range_match,
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vararg_match,
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partly_match,
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exact_match
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} MATCH_TYPE_E;
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/* 用于定义命令的宏. */
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#define CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
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cmd_element_t cmdname = \
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{ \
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.string = cmdstr, \
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.func = funcname, \
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.doc = helpstr, \
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.attr = attrs, \
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.daemon = dnum, \
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};
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#define CMD_FUNC_DECL(funcname) \
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static int funcname(cmd_element_t *, vty_t *, int, const char *[]);
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#define CMD_FUNC_TEXT(funcname) \
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static int funcname \
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(cmd_element_t *self __attribute__ ((unused)), \
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vty_t *vty __attribute__ ((unused)), \
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int argc __attribute__ ((unused)), \
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const char *argv[] __attribute__ ((unused)))
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/* CMD for vty command interafce. Little bit hacky ;-). */
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#define CMD(funcname, cmdname, cmdstr, helpstr) \
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CMD_FUNC_DECL(funcname) \
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CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
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CMD_FUNC_TEXT(funcname)
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#define CMD_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
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CMD_FUNC_DECL(funcname) \
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CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
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CMD_FUNC_TEXT(funcname)
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#define CMD_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
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CMD_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
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#define CMD_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
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CMD_ATTR(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
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/* ALIAS macro which define existing command's alias. */
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#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
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CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
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#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
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CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
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#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
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CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
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#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
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CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
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/* 命令行模式节点宏 */
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typedef enum
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{
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USERNAME_NODE, /* Username node. Default mode of vty interface. */
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PASSWORD_NODE, /* Password node. */
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ENABLE_NODE, /* Enable node. */
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CONFIG_NODE, /* Config node. Default mode of config file. */
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PORT_NODE, /* Port node. */
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COMMON_NODE, /* Common node. Cmd is common to other node. */
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NODES_COUNT
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} NODE_TYPE_E;
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/* config节点配置优先级 */
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typedef enum
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{
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CONFIG_PRI_CSG = 0,
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CONFIG_PRI_DAU,
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CONFIG_PRI_PD,
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CONFIG_PRI_COUNT
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} CONFIG_PRI_E;
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/* Host configuration variable */
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typedef struct
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{
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uint32_t id_minor; /* 设备id */
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uint16_t id_major; /* 设备型号代码. */
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uint8_t mac[MAC_ADDR_LEN]; /* System mac. */
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char host_ip[INET_ADDRSTRLEN]; /* host ip string. */
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char host_mask[INET_ADDRSTRLEN];/* host mask string. */
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char host_gw[INET_ADDRSTRLEN]; /* host gw string. */
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uint32_t factory_date; /* 出厂日期. */
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uint32_t deployment_date; /* 部署日期. */
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char dev_type[FILE_NAME_LEN]; /* 设备型号字符串. */
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} device_info_t;
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/* Host configuration variable */
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typedef struct
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{
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char name[FILE_NAME_LEN]; /* Host name of this router. */
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int lines; /* System wide terminal lines. */
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char *version; /* 版本号. */
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char *compile; /* 编译时间. */
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char configfile[FILE_NAME_LEN]; /* config file name of this host */
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char bannerfile[FILE_NAME_LEN]; /* Banner configuration file name. */
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} host_t;
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/* Structure of command element. */
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typedef struct _cmd_element
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{
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const char *string; /* Command specification by string */
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const char *doc; /* Documentation of this command */
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array_t *strs; /* Pointing out each description array */
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unsigned int str_size; /* Command index count */
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int (*func)(struct _cmd_element*, vty_t*, int, const char *[]);
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int daemon; /* Daemon to which this command belong */
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char *config; /* Configuration string */
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array_t *sub_cfg; /* Sub configuration string */
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unsigned char attr; /* Command attributes */
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} cmd_element_t;
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/* Command description structure. */
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typedef struct
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{
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char *cmd; /* Command string. */
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char *str; /* Command's description. */
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} desc_t;
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/* 用于命令行模式节点注册配置保存函数 */
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typedef int cmd_save_config_f(vty_t*);
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/* 命令行模式节点结构体 */
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typedef struct
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{
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uint32_t node; /* Node index. */
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uint32_t up_node; /* Upper level node index. */
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uint8_t param_num; /* Prompt param num. */
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char *prompt; /* Prompt character at vty interface. */
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cmd_save_config_f *func; /* Node's configuration write function */
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array_t *cmds; /* Array of this node's command list. */
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array_t *configs; /* 配置函数数组. */
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} cmd_node_t;
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typedef struct
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{
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uint32_t node; /* Node index. */
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uint32_t param_num; /* Prompt param num. */
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char cmd[504]; /* 结构体正好是 512byte. */
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} vtycmd_head_t;
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typedef struct
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{
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vtycmd_head_t buf_read;
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vtycmd_head_t buf_write;
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int socket;
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} vtycmd_t;
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/* Exported macro ------------------------------------------------------------*/
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/* Extern global variables ---------------------------------------------------*/
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extern host_t host;
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extern device_info_t device_info;
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extern array_t *cmd_nodes;
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extern int8_t is_system_init;
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/* Extern functions ----------------------------------------------------------*/
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static inline cmd_node_t *cmd_node_get(NODE_TYPE_E ntype)
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{
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return (cmd_node_t *)array_lookup(cmd_nodes, ntype);
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}
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extern void cmd_init(void);
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extern int32_t cmd_execute(vty_t *vty);
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extern const char *cmd_prompt(NODE_TYPE_E ntype);
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extern array_t *cmd_strs_create(const char *string);
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extern void cmd_strs_free(array_t *a);
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extern void cmd_sort_node(void);
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extern void cmd_install_node(cmd_node_t *node, cmd_save_config_f *func);
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extern array_t *cmd_describe_command (array_t *cmd_line, vty_t *vty, int32_t *status);
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extern char **cmd_complete_command(array_t *vline, vty_t *vty, int32_t *status);
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extern void cmd_install_element(NODE_TYPE_E ntype, cmd_element_t *cmd);
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extern int32_t cmd_config_node_config_register(int32_t pri, cmd_save_config_f *func);
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extern void vtysh_init(void);
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extern char *vtysh_prompt (void);
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extern int vtysh_rl_question(void);
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extern int vtysh_rl_completion(void);
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extern char *vtysh_completion_entry_function(const char *ignore, int invoking_key);
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extern void vtysh_config_recovery(void);
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extern void vtysh_device_save(void);
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extern void vtysh_eth0_save(void);
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extern int32_t vtysh_config_save(void);
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extern int32_t vtysh_host_addr_set(char *addr, char *mask);
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extern int32_t vtysh_gateway_set(char *gateway);
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extern void vtysh_shell_init(void);
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#endif
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/************************ (C) COPYRIGHT LandPower ***** END OF FILE ****************/
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