367 lines
10 KiB
C
367 lines
10 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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*/
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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-time.h"
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#include "sys/clock.h"
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#include "net/rime/timesynch.h"
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#include "lib/random.h"
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#include <stdio.h>
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#include <string.h>
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#define MAX_COMMANDLENGTH 64
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#define PERIOD_INTERVAL 60
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#ifndef MIN
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#define MIN(a, b) ((a) < (b)? (a) : (b))
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#endif /* MIN */
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/*---------------------------------------------------------------------------*/
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PROCESS(shell_time_process, "time");
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SHELL_COMMAND(time_command,
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"time",
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"time [seconds]: output time in binary format, or set time in seconds since 1970",
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&shell_time_process);
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PROCESS(shell_timestamp_process, "timestamp");
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SHELL_COMMAND(timestamp_command,
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"timestamp",
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"timestamp: prepend a timestamp to data",
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&shell_timestamp_process);
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PROCESS(shell_repeat_process, "repeat");
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PROCESS(shell_repeat_server_process, "repeat server");
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SHELL_COMMAND(repeat_command,
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"repeat",
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"repeat <num> <time> <command>: run a command every <time> seconds",
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&shell_repeat_process);
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PROCESS(shell_randwait_process, "randwait");
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SHELL_COMMAND(randwait_command,
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"randwait",
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"randwait <maxtime> <command>: wait for a random time before running a command",
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&shell_randwait_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_time_process, ev, data)
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{
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struct {
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uint16_t len;
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uint16_t clock;
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uint16_t rtimer;
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uint16_t timesynch;
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uint16_t timesynch_authority;
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uint16_t time[2];
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} msg;
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unsigned long newtime;
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const char *nextptr;
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PROCESS_BEGIN();
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if(data != NULL) {
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newtime = shell_strtolong(data, &nextptr);
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if(data != nextptr) {
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shell_set_time(newtime);
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}
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}
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msg.clock = (uint16_t)clock_time();
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msg.rtimer = (uint16_t)RTIMER_NOW();
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#if TIMESYNCH_CONF_ENABLED
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msg.timesynch = timesynch_time();
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msg.timesynch_authority = timesynch_authority_level();
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#else
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msg.timesynch = 0;
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msg.timesynch_authority = -1;
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#endif
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msg.time[0] = (uint16_t)(shell_time() >> 16);
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msg.time[1] = (uint16_t)(shell_time());
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msg.len = 6;
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shell_output(&time_command, &msg, sizeof(msg), "", 0);
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_timestamp_process, ev, data)
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{
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struct shell_input *input;
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struct msg {
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uint16_t len;
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uint16_t time[2];
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uint16_t timesynch;
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uint8_t data[MAX_COMMANDLENGTH];
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} msg;
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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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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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msg.len = 3 + *(uint16_t *)input->data1;
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msg.time[0] = (uint16_t)(shell_time() >> 16);
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msg.time[1] = (uint16_t)(shell_time());
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#if TIMESYNCH_CONF_ENABLED
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msg.timesynch = timesynch_time();
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#else /* TIMESYNCH_CONF_ENABLED */
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msg.timesynch = 0;
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#endif /* TIMESYNCH_CONF_ENABLED */
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memcpy(msg.data, input->data1 + 2,
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input->len1 - 2 > MAX_COMMANDLENGTH?
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MAX_COMMANDLENGTH: input->len1 - 2);
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shell_output(×tamp_command, &msg, 6 + input->len1,
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input->data2, input->len2);
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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_repeat_server_process, ev, data)
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{
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static char *command;
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static struct process *started_process;
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char command_copy[MAX_COMMANDLENGTH];
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int ret;
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if(ev == shell_event_input) {
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goto exit;
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}
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PROCESS_BEGIN();
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command = data;
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PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_CONTINUE &&
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data == &shell_repeat_process);
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{
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strncpy(command_copy, command, MAX_COMMANDLENGTH);
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ret = shell_start_command(command_copy, (int)strlen(command_copy),
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&repeat_command, &started_process);
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if(started_process != NULL &&
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process_is_running(started_process)) {
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PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_EXITED &&
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data == started_process);
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}
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}
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/* PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
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printf("haha \n");
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if(repeat_command.child != NULL &&
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process_is_running(repeat_command.child->process)) {
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process_post_synch(repeat_command.child->process, ev, data);
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}*/
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exit:
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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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repeat_print_usage(void)
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{
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shell_output_str(&repeat_command, "usage: ", repeat_command.description);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_repeat_process, ev, data)
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{
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static int reps, period, period_left;
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static char command[MAX_COMMANDLENGTH];
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static struct etimer etimer;
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static int i;
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static clock_time_t start_time;
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const char *args, *next;
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if(ev == shell_event_input) {
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struct shell_input *input;
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input = data;
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/* printf("shell repeat input %d %d\n", input->len1, input->len2);*/
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if(input->len1 + input->len2 != 0) {
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shell_output(&repeat_command, input->data1, input->len1,
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input->data2, input->len2);
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}
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}
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PROCESS_BEGIN();
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/* printf("data '%s'\n", data);*/
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args = data;
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if(args == NULL) {
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repeat_print_usage();
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PROCESS_EXIT();
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}
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reps = shell_strtolong(args, &next);
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if(next == args) {
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repeat_print_usage();
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PROCESS_EXIT();
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}
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args = next;
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period = shell_strtolong(args, &next);
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if(next == args) {
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repeat_print_usage();
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PROCESS_EXIT();
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}
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args = next;
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while(*args == ' ') {
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args++;
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}
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strncpy(command, args, MAX_COMMANDLENGTH);
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if(strlen(command) == 0) {
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repeat_print_usage();
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PROCESS_EXIT();
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}
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/* printf("repeats %d period %d command '%s'\n",
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reps, period, command);*/
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start_time = clock_time();
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etimer_set(&etimer, CLOCK_SECOND * period);
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for(i = 0; reps == 0 || i < reps; ++i) {
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process_start(&shell_repeat_server_process, command);
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process_post(&shell_repeat_server_process,
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PROCESS_EVENT_CONTINUE,
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&shell_repeat_process);
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PROCESS_WAIT_UNTIL(ev == PROCESS_EVENT_EXITED &&
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data == &shell_repeat_server_process);
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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etimer_reset(&etimer);
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/* PROCESS_PAUSE();
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for(period_left = period;
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period_left > 0;
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period_left -= MIN(PERIOD_INTERVAL, period_left)) {
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etimer_set(&etimer, CLOCK_SECOND * MIN(PERIOD_INTERVAL, period_left));
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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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_randwait_process, ev, data)
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{
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static int maxwait;
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static char command[MAX_COMMANDLENGTH];
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static struct etimer etimer;
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static struct process *started_process;
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const char *args, *next;
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int ret;
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/* if(ev == shell_event_input) {
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struct shell_input *input;
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input = data;
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printf("shell randwait input %d %d\n", input->len1, input->len2);
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if(input->len1 + input->len2 != 0) {
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shell_output(&randwait_command, input->data1, input->len1,
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input->data2, input->len2);
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}
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}*/
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PROCESS_BEGIN();
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args = data;
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if(args == NULL) {
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shell_output_str(&randwait_command, "usage 0", "");
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PROCESS_EXIT();
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}
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maxwait = shell_strtolong(args, &next);
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if(next == args) {
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shell_output_str(&randwait_command, "usage 1", "");
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PROCESS_EXIT();
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}
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args = next;
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while(*args == ' ') {
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args++;
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}
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strncpy(command, args, MAX_COMMANDLENGTH);
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if(strlen(command) == 0) {
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shell_output_str(&repeat_command, "usage 3", "");
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PROCESS_EXIT();
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}
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/* printf("randwait %d command '%s'\n",
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maxwait, command);*/
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etimer_set(&etimer, random_rand() % (CLOCK_SECOND * maxwait));
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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/* printf("Starting '%s' child %p (%s)\n", command, randwait_command.child, */
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/* randwait_command.child == NULL? "null": randwait_command.child->command); */
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ret = shell_start_command(command, (int)strlen(command),
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randwait_command.child, &started_process);
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if(started_process != NULL &&
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process_is_running(started_process)) {
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PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_EXITED &&
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data == started_process);
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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_time_init(void)
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{
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shell_register_command(&time_command);
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shell_register_command(×tamp_command);
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shell_register_command(&repeat_command);
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shell_register_command(&randwait_command);
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}
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/*---------------------------------------------------------------------------*/
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