/* * Copyright (c) 2004, Adam Dunkels. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * This file is part of the Contiki operating system. * * Author: Adam Dunkels * * $Id: shell-udpsend.c,v 1.7 2010/10/19 18:29:03 adamdunkels Exp $ */ #include #include #include "contiki.h" #include "shell.h" #include "contiki-net.h" /*---------------------------------------------------------------------------*/ PROCESS(shell_udpsend_process, "udpsend"); SHELL_COMMAND(udpsend_command, "udpsend", "udpsend [local port]: send UDP data", &shell_udpsend_process); /*---------------------------------------------------------------------------*/ #define MAX_SERVERLEN 16 static struct uip_udp_conn *udpconn; static uip_ipaddr_t serveraddr; static char server[MAX_SERVERLEN + 1]; static unsigned char running; /*---------------------------------------------------------------------------*/ static void send_line(char *line, int len) { uip_udp_packet_send(udpconn, line, len); } /*---------------------------------------------------------------------------*/ static void newdata(char *data, uint16_t len) { shell_output(&udpsend_command, data, len, "", 0); } /*---------------------------------------------------------------------------*/ PROCESS_THREAD(shell_udpsend_process, ev, data) { const char *next, *nextptr; struct shell_input *input; uint16_t port, local_port; PROCESS_BEGIN(); next = strchr(data, ' '); if(next == NULL) { shell_output_str(&udpsend_command, "udpsend [localport]: server as address", ""); PROCESS_EXIT(); } if(next - (char *)data > sizeof(server)) { shell_output_str(&udpsend_command, "Too long input", ""); PROCESS_EXIT(); } strncpy(server, data, sizeof(server)); /* NULL-terminate the server string. */ server[next - (char *)data] = 0; ++next; port = shell_strtolong(next, &nextptr); uiplib_ipaddrconv(server, &serveraddr); udpconn = udp_new(&serveraddr, uip_htons(port), NULL); if(next != nextptr) { local_port = shell_strtolong(nextptr, &nextptr); udp_bind(udpconn, uip_htons(local_port)); } running = 1; while(running) { PROCESS_WAIT_EVENT(); if(ev == shell_event_input) { input = data; if(input->len1 + input->len2 == 0) { PROCESS_EXIT(); } if(input->len1 > 0) { send_line(input->data1, input->len1); } } else if(ev == tcpip_event) { if(uip_newdata()) { newdata(uip_appdata, uip_datalen()); } #if 0 } else if(ev == resolv_event_found) { /* Either found a hostname, or not. */ if((char *)data != NULL && resolv_lookup((char *)data) != NULL) { uip_ipaddr_copy(serveraddr, ipaddr); telnet_connect(&s, server, serveraddr, nick); } else { shell_output_str(&udpsend_command, "Host not found.", ""); } #endif /* 0 */ } } PROCESS_END(); } /*---------------------------------------------------------------------------*/ void shell_udpsend_init(void) { shell_register_command(&udpsend_command); } /*---------------------------------------------------------------------------*/