nes-proj/apps/shell/shell-irc.c

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/*
* 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 <adam@sics.se>
*
* $Id: shell-irc.c,v 1.2 2010/05/31 15:22:08 nifi Exp $
*/
#include <string.h>
#include <stddef.h>
#include "contiki.h"
#include "shell.h"
#include "ircc.h"
/*---------------------------------------------------------------------------*/
PROCESS(shell_irc_process, "irc");
SHELL_COMMAND(irc_command,
"irc",
"irc <server> <nick>: start an IRC chat",
&shell_irc_process);
/*---------------------------------------------------------------------------*/
#define MAX_SERVERLEN 16
#define MAX_NICKLEN 16
static uip_ipaddr_t serveraddr;
static char server[MAX_SERVERLEN + 1];
static char nick[MAX_NICKLEN + 1];
static struct ircc_state s;
static unsigned char running;
/*---------------------------------------------------------------------------*/
void
ircc_text_output(struct ircc_state *s, char *text1, char *text2)
{
char buf1[MAX_NICKLEN + MAX_SERVERLEN];
int len;
strncpy(buf1, text1, sizeof(buf1));
len = strlen(buf1);
if(len < sizeof(buf1) - 1) {
buf1[len] = ' ';
buf1[len + 1] = 0;
}
shell_output_str(&irc_command, buf1, text2);
}
/*---------------------------------------------------------------------------*/
static void
parse_line(char *line)
{
if(line[0] == '/') {
if(strncmp(&line[1], "join", 4) == 0) {
ircc_join(&s, &line[6]);
ircc_text_output(&s, "Join", &line[6]);
} else if(strncmp(&line[1], "list", 4) == 0) {
ircc_list(&s);
ircc_text_output(&s, "Channel list", "");
} else if(strncmp(&line[1], "part", 4) == 0) {
ircc_part(&s);
ircc_text_output(&s, "Leaving channel", "");
} else if(strncmp(&line[1], "quit", 4) == 0) {
ircc_quit(&s);
} else if(strncmp(&line[1], "me", 2) == 0) {
ircc_actionmsg(&s, &line[4]);
ircc_text_output(&s, "*", &line[4]);
} else {
ircc_text_output(&s, &line[1], "Not implemented");
}
} else {
ircc_msg(&s, &line[0]);
ircc_text_output(&s, nick, line);
}
}
/*---------------------------------------------------------------------------*/
void
ircc_sent(struct ircc_state *s)
{
}
/*---------------------------------------------------------------------------*/
void
ircc_closed(struct ircc_state *s)
{
ircc_text_output(s, server, "connection closed");
running = 0;
}
/*---------------------------------------------------------------------------*/
void
ircc_connected(struct ircc_state *s)
{
ircc_text_output(s, server, "connected");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_irc_process, ev, data)
{
char *next;
struct shell_input *input;
PROCESS_BEGIN();
next = strchr(data, ' ');
if(next == NULL) {
shell_output_str(&irc_command,
"irc <server> <nick>: server as address", "");
PROCESS_EXIT();
}
*next = 0;
++next;
strncpy(server, data, sizeof(server));
strncpy(nick, next, sizeof(nick));
running = 1;
uiplib_ipaddrconv(server, &serveraddr);
ircc_connect(&s, server, &serveraddr, nick);
while(running) {
PROCESS_WAIT_EVENT();
if(ev == shell_event_input) {
input = data;
if(input->len1 > 0) {
parse_line(input->data1);
}
} else if(ev == tcpip_event) {
ircc_appcall(data);
#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);
ircc_connect(&s, server, serveraddr, nick);
} else {
shell_output_str(&irc_command, "Host not found.", "");
}
#endif /* 0 */
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_irc_init(void)
{
shell_register_command(&irc_command);
}
/*---------------------------------------------------------------------------*/