146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/*
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* Copyright (c) 2004, Adam Dunkels.
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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
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* 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 Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* 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
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE 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
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: shell-udpsend.c,v 1.7 2010/10/19 18:29:03 adamdunkels Exp $
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*/
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#include <string.h>
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#include <stddef.h>
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#include "contiki.h"
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#include "shell.h"
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#include "contiki-net.h"
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/*---------------------------------------------------------------------------*/
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PROCESS(shell_udpsend_process, "udpsend");
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SHELL_COMMAND(udpsend_command,
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"udpsend",
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"udpsend <host> <remote port> [local port]: send UDP data",
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&shell_udpsend_process);
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/*---------------------------------------------------------------------------*/
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#define MAX_SERVERLEN 16
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static struct uip_udp_conn *udpconn;
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static uip_ipaddr_t serveraddr;
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static char server[MAX_SERVERLEN + 1];
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static unsigned char running;
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/*---------------------------------------------------------------------------*/
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static void
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send_line(char *line, int len)
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{
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uip_udp_packet_send(udpconn, line, len);
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}
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/*---------------------------------------------------------------------------*/
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static void
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newdata(char *data, uint16_t len)
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{
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shell_output(&udpsend_command, data, len, "", 0);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_udpsend_process, ev, data)
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{
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const char *next, *nextptr;
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struct shell_input *input;
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uint16_t port, local_port;
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PROCESS_BEGIN();
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next = strchr(data, ' ');
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if(next == NULL) {
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shell_output_str(&udpsend_command,
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"udpsend <server> <port> [localport]: server as address", "");
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PROCESS_EXIT();
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}
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if(next - (char *)data > sizeof(server)) {
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shell_output_str(&udpsend_command, "Too long input", "");
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PROCESS_EXIT();
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}
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strncpy(server, data, sizeof(server));
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/* NULL-terminate the server string. */
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server[next - (char *)data] = 0;
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++next;
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port = shell_strtolong(next, &nextptr);
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uiplib_ipaddrconv(server, &serveraddr);
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udpconn = udp_new(&serveraddr, uip_htons(port), NULL);
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if(next != nextptr) {
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local_port = shell_strtolong(nextptr, &nextptr);
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udp_bind(udpconn, uip_htons(local_port));
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}
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running = 1;
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while(running) {
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PROCESS_WAIT_EVENT();
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if(ev == shell_event_input) {
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input = data;
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if(input->len1 + input->len2 == 0) {
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PROCESS_EXIT();
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}
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if(input->len1 > 0) {
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send_line(input->data1, input->len1);
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}
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} else if(ev == tcpip_event) {
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if(uip_newdata()) {
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newdata(uip_appdata, uip_datalen());
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}
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#if 0
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} else if(ev == resolv_event_found) {
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/* Either found a hostname, or not. */
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if((char *)data != NULL &&
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resolv_lookup((char *)data) != NULL) {
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uip_ipaddr_copy(serveraddr, ipaddr);
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telnet_connect(&s, server, serveraddr, nick);
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} else {
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shell_output_str(&udpsend_command, "Host not found.", "");
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}
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#endif /* 0 */
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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void
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shell_udpsend_init(void)
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{
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shell_register_command(&udpsend_command);
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}
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/*---------------------------------------------------------------------------*/
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