127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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* Copyright (c) 2015, Yanzi Networks AB.
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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
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may 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 COPYRIGHT HOLDER AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* 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
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/**
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* \file
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* Simple serial protocol to list and interact with devices
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* \author
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* Joakim Eriksson <joakime@sics.se>
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* Niclas Finne <nfi@sics.se>
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*/
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#include "contiki.h"
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#include "net/ipv6/uip.h"
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#include "net/ipv6/uiplib.h"
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#include <stdio.h>
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void print_node_list(void);
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void set_value(const uip_ipaddr_t *addr, char *uri, char *value);
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void get_value(const uip_ipaddr_t *addr, char *uri);
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/*---------------------------------------------------------------------------*/
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int
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find_next_sep(const char *str, char sep, int pos)
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{
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char c;
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while((c = str[pos]) != 0) {
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if(c == sep) {
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return pos + 1;
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}
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pos++;
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}
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return -1;
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}
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/*---------------------------------------------------------------------------*/
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/*
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* l - list all discovered devices
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* s - set <IP> <URI> <value>
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* d - get <IP> <URI>
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*/
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void
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serial_protocol_input(char *data)
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{
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/* We assume that we have a string here */
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char cmd = data[0];
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int pos = 0;
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switch(cmd) {
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case 'l':
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/* list devices */
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print_node_list();
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break;
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case 's': {
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uip_ip6addr_t ipaddr;
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char *uri;
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char *value;
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pos = find_next_sep(data, ' ', pos);
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if(pos > 0) {
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/* start of IP */
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int start = pos;
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pos = find_next_sep(data, ' ', pos);
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if(pos == -1) {
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return;
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}
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data[pos - 1] = 0;
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if(uiplib_ip6addrconv(&data[start], &ipaddr) == 0) {
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printf("* Error not valid IP\n");
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}
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uri = &data[pos];
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pos = find_next_sep(data, ' ', pos);
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if(pos == -1) return;
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data[pos - 1] = 0;
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value = &data[pos];
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/* set the value at the specified node */
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set_value(&ipaddr, uri, value);
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}
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break;
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}
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case 'g': {
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uip_ip6addr_t ipaddr;
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char *uri;
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pos = find_next_sep(data, ' ', pos);
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if(pos > 0) {
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/* start of IP */
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int start = pos;
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pos = find_next_sep(data, ' ', pos);
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if(pos == -1) return;
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data[pos - 1] = 0;
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if(uiplib_ip6addrconv((const char *) &data[start], &ipaddr) == 0) {
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printf("* Error not valid IP\n");
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}
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uri = &data[pos];
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/* get the value at the specified node */
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get_value(&ipaddr, uri);
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}
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break;
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}
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default:
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printf("Unknown command\n");
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}
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}
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/*---------------------------------------------------------------------------*/
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