216 lines
6.7 KiB
C
216 lines
6.7 KiB
C
/*
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* Copyright (c) 2008, 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
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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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* $Id: shell-rsh.c,v 1.3 2009/03/12 21:58:20 adamdunkels Exp $
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*/
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/**
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* \file
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* A brief description of what this file is.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "shell.h"
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#include "net/rime.h"
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#include "net/rime/meshconn.h"
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#include <stdio.h>
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#include <string.h>
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static struct meshconn_conn meshconn;
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static struct process *front_process;
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static int initiator = 0;
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/*---------------------------------------------------------------------------*/
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PROCESS(shell_rsh_process, "rsh");
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SHELL_COMMAND(rsh_command,
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"rsh",
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"rsh <node>: remote login to another node",
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&shell_rsh_process);
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PROCESS(shell_rsh_server_process, "rsh server");
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/*SHELL_COMMAND(rsh_server_command,
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"rsh server",
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"rsh server: never invoked directly",
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&shell_rsh_server_process);*/
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_rsh_process, ev, data)
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{
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static rimeaddr_t receiver;
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const char *nextptr;
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char buf[40];
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PROCESS_BEGIN();
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receiver.u8[0] = shell_strtolong(data, &nextptr);
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if(nextptr == data || *nextptr != '.') {
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shell_output_str(&rsh_command,
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"rsh <node>: node address must be specified", "");
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PROCESS_EXIT();
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}
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++nextptr;
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receiver.u8[1] = shell_strtolong(nextptr, &nextptr);
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sprintf(buf, "%d.%d", receiver.u8[0], receiver.u8[1]);
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shell_output_str(&rsh_command, "Connecting to ", buf);
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initiator = 1;
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meshconn_connect(&meshconn, &receiver);
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while(1) {
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struct shell_input *input;
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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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meshconn_close_connection(&meshconn);
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PROCESS_EXIT();
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}
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if(input->len1 + input->len2 >= PACKETBUF_SIZE) {
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shell_output_str(&rsh_command, "rsh: input too long", "");
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} else {
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packetbuf_clear();
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memcpy(packetbuf_dataptr(), input->data1, input->len1);
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memcpy((char *)packetbuf_dataptr() + input->len1,
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input->data2, input->len2);
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packetbuf_set_datalen(input->len1 + input->len2);
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meshconn_send(&meshconn);
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}
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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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PROCESS_THREAD(shell_rsh_server_process, ev, data)
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{
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PROCESS_BEGIN();
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input ||
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(ev == PROCESS_EVENT_EXITED &&
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data == front_process));
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if(ev == PROCESS_EVENT_EXITED) {
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front_process = NULL;
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} else if(ev == shell_event_input) {
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struct shell_input *input;
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input = data;
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packetbuf_clear();
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memcpy(packetbuf_dataptr(), input->data1, input->len1);
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memcpy((char *)packetbuf_dataptr() + input->len1,
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input->data2, input->len2);
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packetbuf_set_datalen(input->len1 + input->len2);
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/* printf("Sending meshconn with %d + %d bytes\n",
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input->len1, input->len2);*/
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meshconn_send(&meshconn);
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}
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/* PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);*/
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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static void
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connected_meshconn(struct meshconn_conn *c)
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{
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/* printf("connected\n");*/
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}
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static void
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recv_meshconn(struct meshconn_conn *c)
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{
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/* int ret;
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struct process *started_process;*/
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/* printf("got '%.*s'\n", packetbuf_datalen(), (char *)packetbuf_dataptr());*/
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/* Echo reply */
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if(!initiator) {
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packetbuf_copyfrom("abcdefghijklmnopq", 18);
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meshconn_send(c);
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}
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return;
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#if 0
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if(front_process != NULL &&
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process_is_running(front_process)) {
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struct shell_input input;
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input.data1 = packetbuf_dataptr();
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input.len1 = packetbuf_datalen();
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input.data2 = "";
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input.len2 = 0;
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process_post_synch(front_process, shell_event_input, &input);
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} else {
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ret = shell_start_command(packetbuf_dataptr(), packetbuf_datalen(),
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&rsh_server_command, &started_process);
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if(started_process != NULL &&
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ret == SHELL_FOREGROUND &&
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process_is_running(started_process)) {
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front_process = started_process;
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}
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}
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/* shell_input(packetbuf_dataptr(), packetbuf_datalen());*/
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/* shell_output(&rsh_command, packetbuf_dataptr(), packetbuf_datalen(), "", 0);*/
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#endif
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}
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static void
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closed_meshconn(struct meshconn_conn *c)
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{
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/* printf("closed\n");*/
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}
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static void
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timedout_meshconn(struct meshconn_conn *c)
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{
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/* printf("timedout\n");*/
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}
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static void
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reset_meshconn(struct meshconn_conn *c)
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{
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/* printf("reset\n");*/
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}
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/*---------------------------------------------------------------------------*/
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static struct meshconn_callbacks meshconn_callbacks = { connected_meshconn,
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recv_meshconn,
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closed_meshconn,
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timedout_meshconn,
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reset_meshconn };
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/*---------------------------------------------------------------------------*/
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void
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shell_rsh_init(void)
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{
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meshconn_open(&meshconn, 23, &meshconn_callbacks);
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shell_register_command(&rsh_command);
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process_start(&shell_rsh_server_process, NULL);
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}
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/*---------------------------------------------------------------------------*/
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