contiki/apps/irc/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>
*
*/
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#include <string.h>
#include <stddef.h>
#include "contiki-conf.h"
#include "contiki.h"
#include "contiki-net.h"
#include "ircc.h"
#include "ctk/ctk.h"
#include "lib/ctk-textentry-cmdline.h"
#include "lib/petsciiconv.h"
#ifdef IRC_CONF_WIDTH
#define LOG_WIDTH IRC_CONF_WIDTH
#else
#define LOG_WIDTH 37
#endif
#ifdef IRC_CONF_HEIGHT
#define LOG_HEIGHT IRC_CONF_HEIGHT
#else
#define LOG_HEIGHT 17
#endif
PROCESS(irc_process, "IRC client");
AUTOSTART_PROCESSES(&irc_process);
static struct ctk_menu menu;
unsigned char menuitem_setup, menuitem_quit;
static struct ctk_window window;
static char log[LOG_WIDTH * LOG_HEIGHT];
static char line[LOG_WIDTH*2];
static struct ctk_label loglabel =
{CTK_LABEL(0, 0, LOG_WIDTH, LOG_HEIGHT, log)};
static struct ctk_textentry lineedit =
{CTK_TEXTENTRY_INPUT(0, LOG_HEIGHT, LOG_WIDTH - 2, 1, line, sizeof(line) - 1,
ctk_textentry_cmdline_input)};
static struct ctk_window setupwindow;
#define SETUPWINDOW_WIDTH 18
#define SETUPWINDOW_HEIGHT 9
#define MAX_SERVERLEN 32
#define MAX_NICKLEN 16
static uip_ipaddr_t serveraddr;
static char server[MAX_SERVERLEN + 1];
static char nick[MAX_NICKLEN + 1];
static struct ctk_label serverlabel =
{CTK_LABEL(1, 1, 11, 1, "IRC server: ")};
static struct ctk_textentry serverentry =
{CTK_TEXTENTRY(0, 2, 16, 1, server, MAX_SERVERLEN)};
static struct ctk_label nicklabel =
{CTK_LABEL(1, 4, 13, 1, "IRC nickname: ")};
static struct ctk_textentry nickentry =
{CTK_TEXTENTRY(0, 5, 16, 1, nick, MAX_NICKLEN)};
static struct ctk_button connectbutton =
{CTK_BUTTON(0, 7, 7, "Connect")};
/*static char nick[] = "asdf";
static char server[] = "efnet.demon.co.uk";*/
static struct ircc_state s;
/*---------------------------------------------------------------------------*/
static void
quit(void)
{
ctk_window_close(&window);
ctk_window_close(&setupwindow);
ctk_menu_remove(&menu);
process_exit(&irc_process);
LOADER_UNLOAD();
}
/*---------------------------------------------------------------------------*/
void
ircc_text_output(struct ircc_state *s, char *text1, char *text2)
{
char *ptr;
int len;
if(text1 == NULL) {
text1 = "";
}
if(text2 == NULL) {
text2 = "";
}
/* Scroll previous entries upwards */
memcpy(log, &log[LOG_WIDTH], LOG_WIDTH * (LOG_HEIGHT - 1));
ptr = &log[LOG_WIDTH * (LOG_HEIGHT - 1)];
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len = (int)strlen(text1);
memset(ptr, 0, LOG_WIDTH);
strncpy(ptr, text1, LOG_WIDTH);
if(len < LOG_WIDTH) {
ptr += len;
*ptr = ':';
++len;
if(LOG_WIDTH - len > 0) {
strncpy(ptr + 1, text2, LOG_WIDTH - len);
}
} else {
len = 0;
}
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if((int)strlen(text2) > LOG_WIDTH - len) {
memcpy(log, &log[LOG_WIDTH], LOG_WIDTH * (LOG_HEIGHT - 1));
strncpy(&log[LOG_WIDTH * (LOG_HEIGHT - 1)],
text2 + LOG_WIDTH - len, LOG_WIDTH);
}
CTK_WIDGET_REDRAW(&loglabel);
}
/*---------------------------------------------------------------------------*/
static void
parse_line(void)
{
int i;
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for(i = 0; i < (int)strlen(line); ++i) {
line[i] &= 0x7f;
}
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) {
petsciiconv_toascii(&line[4], strlen(&line[4]));
ircc_actionmsg(&s, &line[4]);
ircc_text_output(&s, "*", &line[4]);
} else {
ircc_text_output(&s, &line[1], "Not implemented");
ircc_sent(&s);
}
} else {
petsciiconv_toascii(line, sizeof(line) - 1);
ircc_msg(&s, &line[0]);
ircc_text_output(&s, nick, line);
}
}
/*---------------------------------------------------------------------------*/
void
ircc_sent(struct ircc_state *s)
{
/* ctk_textedit_init(&lineedit);*/
CTK_TEXTENTRY_CLEAR(&lineedit);
CTK_WIDGET_REDRAW(&lineedit);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(irc_process, ev, data)
{
ctk_arch_key_t c;
uip_ipaddr_t *ipaddr;
PROCESS_BEGIN();
/* ctk_textedit_init(&lineedit);*/
CTK_TEXTENTRY_CLEAR(&lineedit);
memset(log, 0, sizeof(log));
ctk_window_new(&window, LOG_WIDTH, LOG_HEIGHT + 1, "IRC");
CTK_WIDGET_ADD(&window, &loglabel);
/* ctk_textedit_add(&window, &lineedit); */
CTK_WIDGET_ADD(&window, &lineedit);
CTK_WIDGET_FOCUS(&window, &lineedit);
ctk_window_new(&setupwindow, SETUPWINDOW_WIDTH, SETUPWINDOW_HEIGHT,
"IRC setup");
CTK_WIDGET_ADD(&setupwindow, &serverlabel);
CTK_WIDGET_ADD(&setupwindow, &serverentry);
CTK_WIDGET_ADD(&setupwindow, &nicklabel);
CTK_WIDGET_ADD(&setupwindow, &nickentry);
CTK_WIDGET_ADD(&setupwindow, &connectbutton);
CTK_WIDGET_FOCUS(&setupwindow, &serverentry);
ctk_window_open(&setupwindow);
ctk_menu_new(&menu, "IRC");
menuitem_setup = ctk_menuitem_add(&menu, "Setup");
menuitem_quit = ctk_menuitem_add(&menu, "Quit");
ctk_menu_add(&menu);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == PROCESS_EVENT_EXIT) {
quit();
} else if(ev == tcpip_event) {
ircc_appcall(data);
} else if(ev == ctk_signal_widget_activate) {
if(data == (process_data_t)&lineedit) {
parse_line();
} else if(data == (process_data_t)&connectbutton) {
ctk_window_close(&setupwindow);
ctk_window_open(&window);
ipaddr = &serveraddr;
#if UIP_UDP
if(uiplib_ipaddrconv(server, &serveraddr) == 0) {
ipaddr = resolv_lookup(server);
if(ipaddr == NULL) {
resolv_query(server);
} else {
uip_ipaddr_copy(&serveraddr, ipaddr);
}
}
#else /* UIP_UDP */
uiplib_ipaddrconv(server, &serveraddr);
#endif /* UIP_UDP */
if(ipaddr != NULL) {
ircc_connect(&s, server, &serveraddr, nick);
}
}
#if UIP_UDP
} else if(ev == resolv_event_found) {
ipaddr = resolv_lookup(server);
if(ipaddr == NULL) {
ircc_text_output(&s, server, "hostname not found");
} else {
uip_ipaddr_copy(&serveraddr, ipaddr);
ircc_connect(&s, server, &serveraddr, nick);
}
#endif /* UIP_UDP */
} else if(ev == ctk_signal_keypress) {
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c = (ctk_arch_key_t)(size_t)data;
if(c == CH_ENTER) {
parse_line();
} else {
/* ctk_textedit_eventhandler(&lineedit, ev, data);*/
CTK_WIDGET_FOCUS(&window, &lineedit);
}
} else if(ev == ctk_signal_menu_activate) {
if((struct ctk_menu *)data == &menu) {
if(menu.active == menuitem_setup) {
ctk_window_open(&setupwindow);
} else if(menu.active == menuitem_quit) {
quit();
}
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
ircc_closed(struct ircc_state *s)
{
ircc_text_output(s, server, "connection closed");
}
/*---------------------------------------------------------------------------*/
void
ircc_connected(struct ircc_state *s)
{
ircc_text_output(s, server, "connected");
}
/*---------------------------------------------------------------------------*/