mirror of
https://github.com/lwip-tcpip/lwip.git
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1278 lines
37 KiB
C
1278 lines
37 KiB
C
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/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
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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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*
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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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#include "shell.h"
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#include "lwip/opt.h"
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#if LWIP_NETCONN && LWIP_TCP
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#include <string.h>
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#include <stdio.h>
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#include "lwip/mem.h"
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#include "lwip/debug.h"
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#include "lwip/def.h"
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#include "lwip/api.h"
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#include "lwip/stats.h"
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#if LWIP_SOCKET
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#include "lwip/errno.h"
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#include "lwip/if_api.h"
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#endif
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#ifdef WIN32
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#define NEWLINE "\r\n"
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#else /* WIN32 */
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#define NEWLINE "\n"
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#endif /* WIN32 */
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/** Define this to 1 if you want to echo back all received characters
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* (e.g. so they are displayed on a remote telnet)
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*/
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#ifndef SHELL_ECHO
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#define SHELL_ECHO 0
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#endif
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#define BUFSIZE 1024
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static unsigned char buffer[BUFSIZE];
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struct command {
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struct netconn *conn;
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s8_t (* exec)(struct command *);
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u8_t nargs;
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char *args[10];
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};
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#define ESUCCESS 0
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#define ESYNTAX -1
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#define ETOOFEW -2
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#define ETOOMANY -3
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#define ECLOSED -4
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#define NCONNS 10
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static struct netconn *conns[NCONNS];
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/* help_msg is split into 3 strings to prevent exceeding the C89 maximum length of 509 per string */
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static char help_msg1[] = "Available commands:"NEWLINE"\
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open [IP address] [TCP port]: opens a TCP connection to the specified address."NEWLINE"\
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lstn [TCP port]: sets up a server on the specified port."NEWLINE"\
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acpt [connection #]: waits for an incoming connection request."NEWLINE"\
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send [connection #] [message]: sends a message on a TCP connection."NEWLINE"\
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udpc [local UDP port] [IP address] [remote port]: opens a UDP \"connection\"."NEWLINE"\
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udpl [local UDP port] [IP address] [remote port]: opens a UDP-Lite \"connection\"."NEWLINE"";
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static char help_msg2[] = "udpn [local UDP port] [IP address] [remote port]: opens a UDP \"connection\" without checksums."NEWLINE"\
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udpb [local port] [remote port]: opens a UDP broadcast \"connection\"."NEWLINE"\
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usnd [connection #] [message]: sends a message on a UDP connection."NEWLINE"\
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recv [connection #]: recieves data on a TCP or UDP connection."NEWLINE"\
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clos [connection #]: closes a TCP or UDP connection."NEWLINE"\
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stat: prints out lwIP statistics."NEWLINE"\
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idxtoname [index]: outputs interface name from index."NEWLINE"\
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nametoidx [name]: outputs interface index from name."NEWLINE;
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static char help_msg3[] =
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"gethostnm [name]: outputs IP address of host."NEWLINE"\
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quit: quits"NEWLINE"";
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#if LWIP_STATS
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static char padding_10spaces[] = " ";
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#define PROTOCOL_STATS (LINK_STATS && ETHARP_STATS && IPFRAG_STATS && IP_STATS && ICMP_STATS && UDP_STATS && TCP_STATS)
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#if PROTOCOL_STATS
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static const char* shell_stat_proto_names[] = {
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#if LINK_STATS
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"LINK ",
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#endif
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#if ETHARP_STATS
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"ETHARP ",
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#endif
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#if IPFRAG_STATS
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"IP_FRAG ",
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#endif
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#if IP_STATS
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"IP ",
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#endif
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#if ICMP_STATS
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"ICMP ",
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#endif
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#if UDP_STATS
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"UDP ",
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#endif
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#if TCP_STATS
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"TCP ",
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#endif
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"last"
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};
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static struct stats_proto* shell_stat_proto_stats[] = {
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#if LINK_STATS
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&lwip_stats.link,
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#endif
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#if ETHARP_STATS
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&lwip_stats.etharp,
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#endif
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#if IPFRAG_STATS
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&lwip_stats.ip_frag,
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#endif
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#if IP_STATS
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&lwip_stats.ip,
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#endif
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#if ICMP_STATS
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&lwip_stats.icmp,
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#endif
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#if UDP_STATS
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&lwip_stats.udp,
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#endif
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#if TCP_STATS
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&lwip_stats.tcp,
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#endif
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};
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const size_t num_protostats = sizeof(shell_stat_proto_stats)/sizeof(struct stats_proto*);
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static const char *stat_msgs_proto[] = {
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" * transmitted ",
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" * received ",
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" forwarded ",
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" * dropped ",
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" * checksum errors ",
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" * length errors ",
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" * memory errors ",
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" routing errors ",
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" protocol errors ",
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" option errors ",
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" * misc errors ",
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" cache hits "
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};
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#endif /* PROTOCOL_STATS */
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#endif /* LWIP_STATS */
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/*-----------------------------------------------------------------------------------*/
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static void
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sendstr(const char *str, struct netconn *conn)
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{
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netconn_write(conn, (const void *)str, strlen(str), NETCONN_NOCOPY);
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}
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/*-----------------------------------------------------------------------------------*/
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static s8_t
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com_open(struct command *com)
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{
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ip_addr_t ipaddr;
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u16_t port;
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int i;
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err_t err;
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long tmp;
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if (ipaddr_aton(com->args[0], &ipaddr) == -1) {
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sendstr(strerror(errno), com->conn);
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return ESYNTAX;
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}
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tmp = strtol(com->args[1], NULL, 10);
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if((tmp < 0) || (tmp > 0xffff)) {
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sendstr("Invalid port number."NEWLINE, com->conn);
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return ESUCCESS;
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}
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port = (u16_t)tmp;
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/* Find the first unused connection in conns. */
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for(i = 0; i < NCONNS && conns[i] != NULL; i++);
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if (i == NCONNS) {
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sendstr("No more connections available, sorry."NEWLINE, com->conn);
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return ESUCCESS;
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}
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sendstr("Opening connection to ", com->conn);
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netconn_write(com->conn, com->args[0], strlen(com->args[0]), NETCONN_COPY);
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sendstr(":", com->conn);
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netconn_write(com->conn, com->args[1], strlen(com->args[1]), NETCONN_COPY);
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sendstr(NEWLINE, com->conn);
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conns[i] = netconn_new(NETCONN_TCP);
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if (conns[i] == NULL) {
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sendstr("Could not create connection identifier (out of memory)."NEWLINE, com->conn);
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return ESUCCESS;
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}
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err = netconn_connect(conns[i], &ipaddr, port);
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if (err != ERR_OK) {
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fprintf(stderr, "error %s"NEWLINE, lwip_strerr(err));
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sendstr("Could not connect to remote host: ", com->conn);
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#ifdef LWIP_DEBUG
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sendstr(lwip_strerr(err), com->conn);
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#else
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sendstr("(debugging must be turned on for error message to appear)", com->conn);
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#endif /* LWIP_DEBUG */
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sendstr(NEWLINE, com->conn);
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netconn_delete(conns[i]);
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conns[i] = NULL;
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return ESUCCESS;
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}
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sendstr("Opened connection, connection identifier is ", com->conn);
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snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, i);
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netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
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return ESUCCESS;
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}
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/*-----------------------------------------------------------------------------------*/
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static s8_t
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com_lstn(struct command *com)
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{
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u16_t port;
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int i;
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err_t err;
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long tmp;
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tmp = strtol(com->args[0], NULL, 10);
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if((tmp < 0) || (tmp > 0xffff)) {
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sendstr("Invalid port number."NEWLINE, com->conn);
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return ESUCCESS;
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}
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port = (u16_t)tmp;
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/* Find the first unused connection in conns. */
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for(i = 0; i < NCONNS && conns[i] != NULL; i++);
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if (i == NCONNS) {
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sendstr("No more connections available, sorry."NEWLINE, com->conn);
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return ESUCCESS;
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}
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sendstr("Opening a listening connection on port ", com->conn);
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netconn_write(com->conn, com->args[0], strlen(com->args[0]), NETCONN_COPY);
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sendstr(NEWLINE, com->conn);
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conns[i] = netconn_new(NETCONN_TCP);
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if (conns[i] == NULL) {
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sendstr("Could not create connection identifier (out of memory)."NEWLINE, com->conn);
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return ESUCCESS;
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}
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err = netconn_bind(conns[i], IP_ADDR_ANY, port);
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if (err != ERR_OK) {
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netconn_delete(conns[i]);
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conns[i] = NULL;
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sendstr("Could not bind: ", com->conn);
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#ifdef LWIP_DEBUG
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sendstr(lwip_strerr(err), com->conn);
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#else
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sendstr("(debugging must be turned on for error message to appear)", com->conn);
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#endif /* LWIP_DEBUG */
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sendstr(NEWLINE, com->conn);
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return ESUCCESS;
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}
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err = netconn_listen(conns[i]);
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if (err != ERR_OK) {
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netconn_delete(conns[i]);
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conns[i] = NULL;
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sendstr("Could not listen: ", com->conn);
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#ifdef LWIP_DEBUG
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sendstr(lwip_strerr(err), com->conn);
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#else
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sendstr("(debugging must be turned on for error message to appear)", com->conn);
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#endif /* LWIP_DEBUG */
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sendstr(NEWLINE, com->conn);
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return ESUCCESS;
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}
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sendstr("Opened connection, connection identifier is ", com->conn);
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snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, i);
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netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
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return ESUCCESS;
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}
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/*-----------------------------------------------------------------------------------*/
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/*-----------------------------------------------------------------------------------*/
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static s8_t
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com_clos(struct command *com)
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{
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int i;
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err_t err;
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i = strtol(com->args[0], NULL, 10);
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if (i > NCONNS) {
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sendstr("Connection identifier too high."NEWLINE, com->conn);
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return ESUCCESS;
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}
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if (conns[i] == NULL) {
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sendstr("Connection identifier not in use."NEWLINE, com->conn);
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return ESUCCESS;
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}
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err = netconn_close(conns[i]);
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if (err != ERR_OK) {
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sendstr("Could not close connection: ", com->conn);
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#ifdef LWIP_DEBUG
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sendstr(lwip_strerr(err), com->conn);
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#else
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sendstr("(debugging must be turned on for error message to appear)", com->conn);
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#endif /* LWIP_DEBUG */
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sendstr(NEWLINE, com->conn);
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return ESUCCESS;
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}
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sendstr("Connection closed."NEWLINE, com->conn);
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netconn_delete(conns[i]);
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conns[i] = NULL;
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return ESUCCESS;
|
||
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}
|
||
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/*-----------------------------------------------------------------------------------*/
|
||
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static s8_t
|
||
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com_acpt(struct command *com)
|
||
|
{
|
||
|
int i, j;
|
||
|
err_t err;
|
||
|
|
||
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/* Find the first unused connection in conns. */
|
||
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for(j = 0; j < NCONNS && conns[j] != NULL; j++);
|
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if (j == NCONNS) {
|
||
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sendstr("No more connections available, sorry."NEWLINE, com->conn);
|
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return ESUCCESS;
|
||
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}
|
||
|
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||
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i = strtol(com->args[0], NULL, 10);
|
||
|
|
||
|
if (i > NCONNS) {
|
||
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sendstr("Connection identifier too high."NEWLINE, com->conn);
|
||
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return ESUCCESS;
|
||
|
}
|
||
|
if (conns[i] == NULL) {
|
||
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sendstr("Connection identifier not in use."NEWLINE, com->conn);
|
||
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return ESUCCESS;
|
||
|
}
|
||
|
|
||
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err = netconn_accept(conns[i], &conns[j]);
|
||
|
|
||
|
if (err != ERR_OK) {
|
||
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sendstr("Could not accept connection: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
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sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
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sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
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sendstr(NEWLINE, com->conn);
|
||
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return ESUCCESS;
|
||
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}
|
||
|
|
||
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sendstr("Accepted connection, connection identifier for new connection is ", com->conn);
|
||
|
snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, j);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
#if LWIP_STATS
|
||
|
static void
|
||
|
com_stat_write_mem(struct netconn *conn, struct stats_mem *elem, int i)
|
||
|
{
|
||
|
u16_t len;
|
||
|
char buf[100];
|
||
|
size_t slen;
|
||
|
|
||
|
#ifdef LWIP_DEBUG
|
||
|
LWIP_UNUSED_ARG(i);
|
||
|
slen = strlen(elem->name);
|
||
|
netconn_write(conn, elem->name, slen, NETCONN_COPY);
|
||
|
#else /* LWIP_DEBUG */
|
||
|
len = (u16_t)sprintf(buf, "%d", i);
|
||
|
slen = strlen(buf);
|
||
|
netconn_write(conn, buf, slen, NETCONN_COPY);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
if(slen < 10) {
|
||
|
netconn_write(conn, padding_10spaces, 10-slen, NETCONN_COPY);
|
||
|
}
|
||
|
|
||
|
len = (u16_t)sprintf(buf, " * available %"MEM_SIZE_F NEWLINE, elem->avail);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
len = (u16_t)sprintf(buf, " * used %"MEM_SIZE_F NEWLINE, elem->used);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
len = (u16_t)sprintf(buf, " * high water mark %"MEM_SIZE_F NEWLINE, elem->max);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
len = (u16_t)sprintf(buf, " * errors %"STAT_COUNTER_F NEWLINE, elem->err);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
len = (u16_t)sprintf(buf, " * illegal %"STAT_COUNTER_F NEWLINE, elem->illegal);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
}
|
||
|
static void
|
||
|
com_stat_write_sys(struct netconn *conn, struct stats_syselem *elem, const char *name)
|
||
|
{
|
||
|
u16_t len;
|
||
|
char buf[100];
|
||
|
size_t slen = strlen(name);
|
||
|
|
||
|
netconn_write(conn, name, slen, NETCONN_COPY);
|
||
|
if(slen < 10) {
|
||
|
netconn_write(conn, padding_10spaces, 10-slen, NETCONN_COPY);
|
||
|
}
|
||
|
|
||
|
len = (u16_t)sprintf(buf, " * used %"STAT_COUNTER_F NEWLINE, elem->used);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
len = (u16_t)sprintf(buf, " * high water mark %"STAT_COUNTER_F NEWLINE, elem->max);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
len = (u16_t)sprintf(buf, " * errors %"STAT_COUNTER_F NEWLINE, elem->err);
|
||
|
netconn_write(conn, buf, len, NETCONN_COPY);
|
||
|
}
|
||
|
static s8_t
|
||
|
com_stat(struct command *com)
|
||
|
{
|
||
|
#if PROTOCOL_STATS || MEMP_STATS
|
||
|
size_t i;
|
||
|
#endif /* PROTOCOL_STATS || MEMP_STATS */
|
||
|
#if PROTOCOL_STATS
|
||
|
size_t k;
|
||
|
char buf[100];
|
||
|
u16_t len;
|
||
|
|
||
|
/* protocol stats, @todo: add IGMP */
|
||
|
for(i = 0; i < num_protostats; i++) {
|
||
|
size_t s = sizeof(struct stats_proto)/sizeof(STAT_COUNTER);
|
||
|
STAT_COUNTER *c = &shell_stat_proto_stats[i]->xmit;
|
||
|
LWIP_ASSERT("stats not in sync", s == sizeof(stat_msgs_proto)/sizeof(char*));
|
||
|
netconn_write(com->conn, shell_stat_proto_names[i], strlen(shell_stat_proto_names[i]), NETCONN_COPY);
|
||
|
for(k = 0; k < s; k++) {
|
||
|
len = (u16_t)sprintf(buf, "%s%"STAT_COUNTER_F NEWLINE, stat_msgs_proto[k], c[k]);
|
||
|
netconn_write(com->conn, buf, len, NETCONN_COPY);
|
||
|
}
|
||
|
}
|
||
|
#endif /* PROTOCOL_STATS */
|
||
|
#if MEM_STATS
|
||
|
com_stat_write_mem(com->conn, &lwip_stats.mem, -1);
|
||
|
#endif /* MEM_STATS */
|
||
|
#if MEMP_STATS
|
||
|
for(i = 0; i < MEMP_MAX; i++) {
|
||
|
com_stat_write_mem(com->conn, lwip_stats.memp[i], -1);
|
||
|
}
|
||
|
#endif /* MEMP_STATS */
|
||
|
#if SYS_STATS
|
||
|
com_stat_write_sys(com->conn, &lwip_stats.sys.sem, "SEM ");
|
||
|
com_stat_write_sys(com->conn, &lwip_stats.sys.mutex, "MUTEX ");
|
||
|
com_stat_write_sys(com->conn, &lwip_stats.sys.mbox, "MBOX ");
|
||
|
#endif /* SYS_STATS */
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
#endif
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_send(struct command *com)
|
||
|
{
|
||
|
int i;
|
||
|
err_t err;
|
||
|
size_t len;
|
||
|
|
||
|
i = strtol(com->args[0], NULL, 10);
|
||
|
|
||
|
if (i > NCONNS) {
|
||
|
sendstr("Connection identifier too high."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Connection identifier not in use."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
len = strlen(com->args[1]);
|
||
|
com->args[1][len] = '\r';
|
||
|
com->args[1][len + 1] = '\n';
|
||
|
com->args[1][len + 2] = 0;
|
||
|
|
||
|
err = netconn_write(conns[i], com->args[1], len + 3, NETCONN_COPY);
|
||
|
if (err != ERR_OK) {
|
||
|
sendstr("Could not send data: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Data enqueued for sending."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_recv(struct command *com)
|
||
|
{
|
||
|
int i;
|
||
|
err_t err;
|
||
|
struct netbuf *buf;
|
||
|
u16_t len;
|
||
|
|
||
|
i = strtol(com->args[0], NULL, 10);
|
||
|
|
||
|
if (i > NCONNS) {
|
||
|
sendstr("Connection identifier too high."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Connection identifier not in use."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_recv(conns[i], &buf);
|
||
|
if (err == ERR_OK) {
|
||
|
|
||
|
netbuf_copy(buf, buffer, BUFSIZE);
|
||
|
len = netbuf_len(buf);
|
||
|
sendstr("Reading from connection:"NEWLINE, com->conn);
|
||
|
netconn_write(com->conn, buffer, len, NETCONN_COPY);
|
||
|
netbuf_delete(buf);
|
||
|
} else {
|
||
|
sendstr("EOF."NEWLINE, com->conn);
|
||
|
}
|
||
|
err = netconn_err(conns[i]);
|
||
|
if (err != ERR_OK) {
|
||
|
sendstr("Could not receive data: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_udpc(struct command *com)
|
||
|
{
|
||
|
ip_addr_t ipaddr;
|
||
|
u16_t lport, rport;
|
||
|
int i;
|
||
|
err_t err;
|
||
|
long tmp;
|
||
|
|
||
|
tmp = strtol(com->args[0], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
lport = (u16_t)tmp;
|
||
|
if (ipaddr_aton(com->args[1], &ipaddr) == -1) {
|
||
|
sendstr(strerror(errno), com->conn);
|
||
|
return ESYNTAX;
|
||
|
}
|
||
|
tmp = strtol(com->args[2], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
rport = (u16_t)tmp;
|
||
|
|
||
|
/* Find the first unused connection in conns. */
|
||
|
for(i = 0; i < NCONNS && conns[i] != NULL; i++);
|
||
|
|
||
|
if (i == NCONNS) {
|
||
|
sendstr("No more connections available, sorry."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Setting up UDP connection from port ", com->conn);
|
||
|
netconn_write(com->conn, com->args[0], strlen(com->args[0]), NETCONN_COPY);
|
||
|
sendstr(" to ", com->conn);
|
||
|
netconn_write(com->conn, com->args[1], strlen(com->args[1]), NETCONN_COPY);
|
||
|
sendstr(":", com->conn);
|
||
|
netconn_write(com->conn, com->args[2], strlen(com->args[2]), NETCONN_COPY);
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
|
||
|
conns[i] = netconn_new(NETCONN_UDP);
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Could not create connection identifier (out of memory)."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_connect(conns[i], &ipaddr, rport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not connect to remote host: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_bind(conns[i], IP_ADDR_ANY, lport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not bind: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Connection set up, connection identifier is ", com->conn);
|
||
|
snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, i);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_udpl(struct command *com)
|
||
|
{
|
||
|
ip_addr_t ipaddr;
|
||
|
u16_t lport, rport;
|
||
|
int i;
|
||
|
err_t err;
|
||
|
long tmp;
|
||
|
|
||
|
tmp = strtol(com->args[0], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
lport = (u16_t)tmp;
|
||
|
if (ipaddr_aton(com->args[1], &ipaddr) == -1) {
|
||
|
sendstr(strerror(errno), com->conn);
|
||
|
return ESYNTAX;
|
||
|
}
|
||
|
tmp = strtol(com->args[2], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
rport = (u16_t)tmp;
|
||
|
|
||
|
/* Find the first unused connection in conns. */
|
||
|
for(i = 0; i < NCONNS && conns[i] != NULL; i++);
|
||
|
|
||
|
if (i == NCONNS) {
|
||
|
sendstr("No more connections available, sorry."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Setting up UDP-Lite connection from port ", com->conn);
|
||
|
netconn_write(com->conn, com->args[0], strlen(com->args[0]), NETCONN_COPY);
|
||
|
sendstr(" to ", com->conn);
|
||
|
netconn_write(com->conn, com->args[1], strlen(com->args[1]), NETCONN_COPY);
|
||
|
sendstr(":", com->conn);
|
||
|
netconn_write(com->conn, com->args[2], strlen(com->args[2]), NETCONN_COPY);
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
|
||
|
conns[i] = netconn_new(NETCONN_UDPLITE);
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Could not create connection identifier (out of memory)."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_connect(conns[i], &ipaddr, rport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not connect to remote host: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_bind(conns[i], IP_ADDR_ANY, lport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not bind: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Connection set up, connection identifier is ", com->conn);
|
||
|
snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, i);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_udpn(struct command *com)
|
||
|
{
|
||
|
ip_addr_t ipaddr;
|
||
|
u16_t lport, rport;
|
||
|
int i;
|
||
|
err_t err;
|
||
|
long tmp;
|
||
|
|
||
|
tmp = strtol(com->args[0], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
lport = (u16_t)tmp;
|
||
|
if (ipaddr_aton(com->args[1], &ipaddr) == -1) {
|
||
|
sendstr(strerror(errno), com->conn);
|
||
|
return ESYNTAX;
|
||
|
}
|
||
|
tmp = strtol(com->args[2], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
rport = (u16_t)tmp;
|
||
|
|
||
|
/* Find the first unused connection in conns. */
|
||
|
for(i = 0; i < NCONNS && conns[i] != NULL; i++);
|
||
|
|
||
|
if (i == NCONNS) {
|
||
|
sendstr("No more connections available, sorry."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Setting up UDP connection without checksums from port ", com->conn);
|
||
|
netconn_write(com->conn, com->args[0], strlen(com->args[0]), NETCONN_COPY);
|
||
|
sendstr(" to ", com->conn);
|
||
|
netconn_write(com->conn, com->args[1], strlen(com->args[1]), NETCONN_COPY);
|
||
|
sendstr(":", com->conn);
|
||
|
netconn_write(com->conn, com->args[2], strlen(com->args[2]), NETCONN_COPY);
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
|
||
|
conns[i] = netconn_new(NETCONN_UDPNOCHKSUM);
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Could not create connection identifier (out of memory)."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_connect(conns[i], &ipaddr, rport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not connect to remote host: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_bind(conns[i], IP_ADDR_ANY, lport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not bind: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Connection set up, connection identifier is ", com->conn);
|
||
|
snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, i);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_udpb(struct command *com)
|
||
|
{
|
||
|
ip_addr_t ipaddr;
|
||
|
#if LWIP_IPV4
|
||
|
u16_t lport;
|
||
|
#endif /* LWIP_IPV4 */
|
||
|
u16_t rport;
|
||
|
int i;
|
||
|
err_t err;
|
||
|
long tmp;
|
||
|
|
||
|
tmp = strtol(com->args[0], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
#if LWIP_IPV4
|
||
|
lport = (u16_t)tmp;
|
||
|
#endif /* LWIP_IPV4 */
|
||
|
if (ipaddr_aton(com->args[1], &ipaddr) == -1) {
|
||
|
sendstr(strerror(errno), com->conn);
|
||
|
return ESYNTAX;
|
||
|
}
|
||
|
tmp = strtol(com->args[2], NULL, 10);
|
||
|
if((tmp < 0) || (tmp > 0xffff)) {
|
||
|
sendstr("Invalid port number."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
rport = (u16_t)tmp;
|
||
|
|
||
|
/* Find the first unused connection in conns. */
|
||
|
for(i = 0; i < NCONNS && conns[i] != NULL; i++);
|
||
|
|
||
|
if (i == NCONNS) {
|
||
|
sendstr("No more connections available, sorry."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Setting up UDP broadcast connection from port ", com->conn);
|
||
|
netconn_write(com->conn, com->args[0], strlen(com->args[0]), NETCONN_COPY);
|
||
|
sendstr(" to ", com->conn);
|
||
|
netconn_write(com->conn, com->args[1], strlen(com->args[1]), NETCONN_COPY);
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
|
||
|
conns[i] = netconn_new(NETCONN_UDP);
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Could not create connection identifier (out of memory)."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
err = netconn_connect(conns[i], &ipaddr, rport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not connect to remote host: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
#if LWIP_IPV4
|
||
|
if (IP_IS_V6_VAL(ipaddr)) {
|
||
|
err = netconn_bind(conns[i], &ip_addr_broadcast, lport);
|
||
|
if (err != ERR_OK) {
|
||
|
netconn_delete(conns[i]);
|
||
|
conns[i] = NULL;
|
||
|
sendstr("Could not bind: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
}
|
||
|
#endif /* LWIP_IPV4 */
|
||
|
|
||
|
sendstr("Connection set up, connection identifier is ", com->conn);
|
||
|
snprintf((char *)buffer, sizeof(buffer), "%d"NEWLINE, i);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_usnd(struct command *com)
|
||
|
{
|
||
|
long i;
|
||
|
err_t err;
|
||
|
struct netbuf *buf;
|
||
|
char *mem;
|
||
|
u16_t len;
|
||
|
size_t tmp;
|
||
|
|
||
|
i = strtol(com->args[0], NULL, 10);
|
||
|
|
||
|
if (i > NCONNS) {
|
||
|
sendstr("Connection identifier too high."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
if (conns[i] == NULL) {
|
||
|
sendstr("Connection identifier not in use."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
tmp = strlen(com->args[1]) + 1;
|
||
|
if (tmp > 0xffff) {
|
||
|
sendstr("Invalid length."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
len = (u16_t)tmp;
|
||
|
|
||
|
buf = netbuf_new();
|
||
|
mem = (char *)netbuf_alloc(buf, len);
|
||
|
if (mem == NULL) {
|
||
|
sendstr("Could not allocate memory for sending."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
strncpy(mem, com->args[1], len);
|
||
|
err = netconn_send(conns[i], buf);
|
||
|
netbuf_delete(buf);
|
||
|
if (err != ERR_OK) {
|
||
|
sendstr("Could not send data: ", com->conn);
|
||
|
#ifdef LWIP_DEBUG
|
||
|
sendstr(lwip_strerr(err), com->conn);
|
||
|
#else
|
||
|
sendstr("(debugging must be turned on for error message to appear)", com->conn);
|
||
|
#endif /* LWIP_DEBUG */
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
|
||
|
sendstr("Data sent."NEWLINE, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
#if LWIP_SOCKET
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_idxtoname(struct command *com)
|
||
|
{
|
||
|
long i = strtol(com->args[0], NULL, 10);
|
||
|
|
||
|
if (lwip_if_indextoname((unsigned int)i, (char *)buffer)) {
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
} else {
|
||
|
snprintf((char *)buffer, sizeof(buffer), "if_indextoname() failed: %d"NEWLINE, errno);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
}
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_nametoidx(struct command *com)
|
||
|
{
|
||
|
unsigned int idx = lwip_if_nametoindex(com->args[0]);
|
||
|
|
||
|
if (idx) {
|
||
|
snprintf((char *)buffer, sizeof(buffer), "%u"NEWLINE, idx);
|
||
|
netconn_write(com->conn, buffer, strlen((const char *)buffer), NETCONN_COPY);
|
||
|
} else {
|
||
|
sendstr("No interface found"NEWLINE, com->conn);
|
||
|
}
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
#endif /* LWIP_SOCKET */
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
#if LWIP_DNS
|
||
|
static s8_t
|
||
|
com_gethostbyname(struct command *com)
|
||
|
{
|
||
|
ip_addr_t addr;
|
||
|
err_t err = netconn_gethostbyname(com->args[0], &addr);
|
||
|
|
||
|
if (err == ERR_OK) {
|
||
|
if (ipaddr_ntoa_r(&addr, (char *)buffer, sizeof(buffer))) {
|
||
|
sendstr("Host found: ", com->conn);
|
||
|
sendstr((char *)buffer, com->conn);
|
||
|
sendstr(NEWLINE, com->conn);
|
||
|
} else {
|
||
|
sendstr("ipaddr_ntoa_r failed", com->conn);
|
||
|
}
|
||
|
} else {
|
||
|
sendstr("No host found"NEWLINE, com->conn);
|
||
|
}
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
#endif /* LWIP_DNS */
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
com_help(struct command *com)
|
||
|
{
|
||
|
sendstr(help_msg1, com->conn);
|
||
|
sendstr(help_msg2, com->conn);
|
||
|
sendstr(help_msg3, com->conn);
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static s8_t
|
||
|
parse_command(struct command *com, u32_t len)
|
||
|
{
|
||
|
u16_t i;
|
||
|
u16_t bufp;
|
||
|
|
||
|
if (strncmp((const char *)buffer, "open", 4) == 0) {
|
||
|
com->exec = com_open;
|
||
|
com->nargs = 2;
|
||
|
} else if (strncmp((const char *)buffer, "lstn", 4) == 0) {
|
||
|
com->exec = com_lstn;
|
||
|
com->nargs = 1;
|
||
|
} else if (strncmp((const char *)buffer, "acpt", 4) == 0) {
|
||
|
com->exec = com_acpt;
|
||
|
com->nargs = 1;
|
||
|
} else if (strncmp((const char *)buffer, "clos", 4) == 0) {
|
||
|
com->exec = com_clos;
|
||
|
com->nargs = 1;
|
||
|
#if LWIP_STATS
|
||
|
} else if (strncmp((const char *)buffer, "stat", 4) == 0) {
|
||
|
com->exec = com_stat;
|
||
|
com->nargs = 0;
|
||
|
#endif
|
||
|
} else if (strncmp((const char *)buffer, "send", 4) == 0) {
|
||
|
com->exec = com_send;
|
||
|
com->nargs = 2;
|
||
|
} else if (strncmp((const char *)buffer, "recv", 4) == 0) {
|
||
|
com->exec = com_recv;
|
||
|
com->nargs = 1;
|
||
|
} else if (strncmp((const char *)buffer, "udpc", 4) == 0) {
|
||
|
com->exec = com_udpc;
|
||
|
com->nargs = 3;
|
||
|
} else if (strncmp((const char *)buffer, "udpb", 4) == 0) {
|
||
|
com->exec = com_udpb;
|
||
|
com->nargs = 2;
|
||
|
} else if (strncmp((const char *)buffer, "udpl", 4) == 0) {
|
||
|
com->exec = com_udpl;
|
||
|
com->nargs = 3;
|
||
|
} else if (strncmp((const char *)buffer, "udpn", 4) == 0) {
|
||
|
com->exec = com_udpn;
|
||
|
com->nargs = 3;
|
||
|
} else if (strncmp((const char *)buffer, "usnd", 4) == 0) {
|
||
|
com->exec = com_usnd;
|
||
|
com->nargs = 2;
|
||
|
#if LWIP_SOCKET
|
||
|
} else if (strncmp((const char *)buffer, "idxtoname", 9) == 0) {
|
||
|
com->exec = com_idxtoname;
|
||
|
com->nargs = 1;
|
||
|
} else if (strncmp((const char *)buffer, "nametoidx", 9) == 0) {
|
||
|
com->exec = com_nametoidx;
|
||
|
com->nargs = 1;
|
||
|
#endif /* LWIP_SOCKET */
|
||
|
#if LWIP_DNS
|
||
|
} else if (strncmp((const char *)buffer, "gethostnm", 9) == 0) {
|
||
|
com->exec = com_gethostbyname;
|
||
|
com->nargs = 1;
|
||
|
#endif /* LWIP_DNS */
|
||
|
} else if (strncmp((const char *)buffer, "help", 4) == 0) {
|
||
|
com->exec = com_help;
|
||
|
com->nargs = 0;
|
||
|
} else if (strncmp((const char *)buffer, "quit", 4) == 0) {
|
||
|
printf("quit"NEWLINE);
|
||
|
return ECLOSED;
|
||
|
} else {
|
||
|
return ESYNTAX;
|
||
|
}
|
||
|
|
||
|
if (com->nargs == 0) {
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
bufp = 0;
|
||
|
for(; bufp < len && buffer[bufp] != ' '; bufp++);
|
||
|
for(i = 0; i < 10; i++) {
|
||
|
for(; bufp < len && buffer[bufp] == ' '; bufp++);
|
||
|
if (buffer[bufp] == '\r' ||
|
||
|
buffer[bufp] == '\n') {
|
||
|
buffer[bufp] = 0;
|
||
|
if (i < com->nargs - 1) {
|
||
|
return ETOOFEW;
|
||
|
}
|
||
|
if (i > com->nargs - 1) {
|
||
|
return ETOOMANY;
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
if (bufp > len) {
|
||
|
return ETOOFEW;
|
||
|
}
|
||
|
com->args[i] = (char *)&buffer[bufp];
|
||
|
for(; bufp < len && buffer[bufp] != ' ' && buffer[bufp] != '\r' &&
|
||
|
buffer[bufp] != '\n'; bufp++) {
|
||
|
if (buffer[bufp] == '\\') {
|
||
|
buffer[bufp] = ' ';
|
||
|
}
|
||
|
}
|
||
|
if (bufp > len) {
|
||
|
return ESYNTAX;
|
||
|
}
|
||
|
buffer[bufp] = 0;
|
||
|
bufp++;
|
||
|
if (i == com->nargs - 1) {
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
return ESUCCESS;
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static void
|
||
|
shell_error(s8_t err, struct netconn *conn)
|
||
|
{
|
||
|
switch (err) {
|
||
|
case ESYNTAX:
|
||
|
sendstr("## Syntax error"NEWLINE, conn);
|
||
|
break;
|
||
|
case ETOOFEW:
|
||
|
sendstr("## Too few arguments to command given"NEWLINE, conn);
|
||
|
break;
|
||
|
case ETOOMANY:
|
||
|
sendstr("## Too many arguments to command given"NEWLINE, conn);
|
||
|
break;
|
||
|
case ECLOSED:
|
||
|
sendstr("## Connection closed"NEWLINE, conn);
|
||
|
break;
|
||
|
default:
|
||
|
/* unknown error, don't assert here */
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static void
|
||
|
prompt(struct netconn *conn)
|
||
|
{
|
||
|
sendstr("> ", conn);
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static void
|
||
|
shell_main(struct netconn *conn)
|
||
|
{
|
||
|
struct pbuf *p;
|
||
|
u16_t len = 0, cur_len;
|
||
|
struct command com;
|
||
|
s8_t err;
|
||
|
int i;
|
||
|
err_t ret;
|
||
|
#if SHELL_ECHO
|
||
|
void *echomem;
|
||
|
#endif /* SHELL_ECHO */
|
||
|
|
||
|
do {
|
||
|
ret = netconn_recv_tcp_pbuf(conn, &p);
|
||
|
if (ret == ERR_OK) {
|
||
|
pbuf_copy_partial(p, &buffer[len], (u16_t)(BUFSIZE - len), 0);
|
||
|
cur_len = p->tot_len;
|
||
|
len = (u16_t)(len + cur_len);
|
||
|
if ((len < cur_len) || (len > BUFSIZE)) {
|
||
|
len = BUFSIZE;
|
||
|
}
|
||
|
#if SHELL_ECHO
|
||
|
echomem = mem_malloc(cur_len);
|
||
|
if (echomem != NULL) {
|
||
|
pbuf_copy_partial(p, echomem, cur_len, 0);
|
||
|
netconn_write(conn, echomem, cur_len, NETCONN_COPY);
|
||
|
mem_free(echomem);
|
||
|
}
|
||
|
#endif /* SHELL_ECHO */
|
||
|
pbuf_free(p);
|
||
|
if (((len > 0) && ((buffer[len-1] == '\r') || (buffer[len-1] == '\n'))) ||
|
||
|
(len >= BUFSIZE)) {
|
||
|
if (buffer[0] != 0xff &&
|
||
|
buffer[1] != 0xfe) {
|
||
|
err = parse_command(&com, len);
|
||
|
if (err == ESUCCESS) {
|
||
|
com.conn = conn;
|
||
|
err = com.exec(&com);
|
||
|
}
|
||
|
if (err == ECLOSED) {
|
||
|
printf("Closed"NEWLINE);
|
||
|
shell_error(err, conn);
|
||
|
goto close;
|
||
|
}
|
||
|
if (err != ESUCCESS) {
|
||
|
shell_error(err, conn);
|
||
|
}
|
||
|
} else {
|
||
|
sendstr(NEWLINE NEWLINE
|
||
|
"lwIP simple interactive shell."NEWLINE
|
||
|
"(c) Copyright 2001, Swedish Institute of Computer Science."NEWLINE
|
||
|
"Written by Adam Dunkels."NEWLINE
|
||
|
"For help, try the \"help\" command."NEWLINE, conn);
|
||
|
}
|
||
|
if (ret == ERR_OK) {
|
||
|
prompt(conn);
|
||
|
}
|
||
|
len = 0;
|
||
|
}
|
||
|
}
|
||
|
} while (ret == ERR_OK);
|
||
|
printf("err %s"NEWLINE, lwip_strerr(ret));
|
||
|
|
||
|
close:
|
||
|
netconn_close(conn);
|
||
|
|
||
|
for(i = 0; i < NCONNS; i++) {
|
||
|
if (conns[i] != NULL) {
|
||
|
netconn_delete(conns[i]);
|
||
|
}
|
||
|
conns[i] = NULL;
|
||
|
}
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
static void
|
||
|
shell_thread(void *arg)
|
||
|
{
|
||
|
struct netconn *conn, *newconn;
|
||
|
err_t err;
|
||
|
LWIP_UNUSED_ARG(arg);
|
||
|
|
||
|
#if LWIP_IPV6
|
||
|
conn = netconn_new(NETCONN_TCP_IPV6);
|
||
|
LWIP_ERROR("shell: invalid conn", (conn != NULL), return;);
|
||
|
err = netconn_bind(conn, IP6_ADDR_ANY, 23);
|
||
|
#else /* LWIP_IPV6 */
|
||
|
conn = netconn_new(NETCONN_TCP);
|
||
|
LWIP_ERROR("shell: invalid conn", (conn != NULL), return;);
|
||
|
err = netconn_bind(conn, IP_ADDR_ANY, 23);
|
||
|
#endif /* LWIP_IPV6 */
|
||
|
LWIP_ERROR("shell: netconn_bind failed", (err == ERR_OK), netconn_delete(conn); return;);
|
||
|
err = netconn_listen(conn);
|
||
|
LWIP_ERROR("shell: netconn_listen failed", (err == ERR_OK), netconn_delete(conn); return;);
|
||
|
|
||
|
while (1) {
|
||
|
err = netconn_accept(conn, &newconn);
|
||
|
if (err == ERR_OK) {
|
||
|
shell_main(newconn);
|
||
|
netconn_delete(newconn);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
/*-----------------------------------------------------------------------------------*/
|
||
|
void
|
||
|
shell_init(void)
|
||
|
{
|
||
|
sys_thread_new("shell_thread", shell_thread, NULL, DEFAULT_THREAD_STACKSIZE, DEFAULT_THREAD_PRIO);
|
||
|
}
|
||
|
|
||
|
#endif /* LWIP_NETCONN && LWIP_TCP */
|