osd-contiki/apps/netconf/netconf.c

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/*
* Copyright (c) 2002, 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 desktop environment
*
* $Id: netconf.c,v 1.9 2010/05/31 15:22:08 nifi Exp $
*
*/
#include "contiki-net.h"
#include "ctk/ctk.h"
/* TCP/IP configuration window. */
static struct ctk_window tcpipwindow;
static struct ctk_label ipaddrlabel =
{CTK_LABEL(0, 1, 10, 1, "IP address")};
static char ipaddr[17];
static struct ctk_textentry ipaddrtextentry =
{CTK_TEXTENTRY(11, 1, 16, 1, ipaddr, 16)};
static struct ctk_label netmasklabel =
{CTK_LABEL(0, 3, 10, 1, "Netmask")};
static char netmask[17];
static struct ctk_textentry netmasktextentry =
{CTK_TEXTENTRY(11, 3, 16, 1, netmask, 16)};
static struct ctk_label gatewaylabel =
{CTK_LABEL(0, 5, 10, 1, "Gateway")};
static char gateway[17];
static struct ctk_textentry gatewaytextentry =
{CTK_TEXTENTRY(11, 5, 16, 1, gateway, 16)};
#if UIP_UDP
static struct ctk_label dnsserverlabel =
{CTK_LABEL(0, 7, 10, 1, "DNS server")};
static char dnsserver[17];
static struct ctk_textentry dnsservertextentry =
{CTK_TEXTENTRY(11, 7, 16, 1, dnsserver, 16)};
#endif /* UIP_UDP */
static struct ctk_button tcpipclosebutton =
{CTK_BUTTON(0, 9, 2, "Ok")};
PROCESS(netconf_process, "Network configurator");
AUTOSTART_PROCESSES(&netconf_process);
static void makestrings(void);
/*-----------------------------------------------------------------------------------*/
static char *
makebyte(uint8_t byte, char *str)
{
if(byte >= 100) {
*str++ = (byte / 100 ) % 10 + '0';
}
if(byte >= 10) {
*str++ = (byte / 10) % 10 + '0';
}
*str++ = (byte % 10) + '0';
return str;
}
/*-----------------------------------------------------------------------------------*/
static void
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makeaddr(uip_ipaddr_t *addr, char *str)
{
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str = makebyte(addr->u8[0], str);
*str++ = '.';
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str = makebyte(addr->u8[1], str);
*str++ = '.';
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str = makebyte(addr->u8[2], str);
*str++ = '.';
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str = makebyte(addr->u8[3], str);
*str++ = 0;
}
/*-----------------------------------------------------------------------------------*/
static void
makestrings(void)
{
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uip_ipaddr_t addr, *addrptr;
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uip_gethostaddr(&addr);
makeaddr(&addr, ipaddr);
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uip_getnetmask(&addr);
makeaddr(&addr, netmask);
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uip_getdraddr(&addr);
makeaddr(&addr, gateway);
#if UIP_UDP
addrptr = resolv_getserver();
if(addrptr != NULL) {
makeaddr(addrptr, dnsserver);
}
#endif /* UIP_UDP */
}
/*-----------------------------------------------------------------------------------*/
static void
nullterminate(char *cptr)
{
/* Find the first space character in the ipaddr and put a zero there
to end the string. */
for(; *cptr != ' ' && *cptr != 0; ++cptr);
*cptr = 0;
}
/*-----------------------------------------------------------------------------------*/
static void
apply_tcpipconfig(void)
{
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uip_ipaddr_t addr;
nullterminate(ipaddr);
if(uiplib_ipaddrconv(ipaddr, &addr)) {
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uip_sethostaddr(&addr);
}
nullterminate(netmask);
if(uiplib_ipaddrconv(netmask, &addr)) {
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uip_setnetmask(&addr);
}
nullterminate(gateway);
if(uiplib_ipaddrconv(gateway, &addr)) {
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uip_setdraddr(&addr);
}
#if UIP_UDP
nullterminate(dnsserver);
if(uiplib_ipaddrconv(dnsserver, &addr)) {
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resolv_conf(&addr);
}
#endif /* UIP_UDP */
}
/*-----------------------------------------------------------------------------------*/
static void
netconf_quit(void)
{
process_exit(&netconf_process);
LOADER_UNLOAD();
}
/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(netconf_process, ev, data)
{
PROCESS_BEGIN();
/* Create TCP/IP configuration window. */
ctk_window_new(&tcpipwindow, 30, 10, "TCP/IP config");
CTK_WIDGET_ADD(&tcpipwindow, &ipaddrlabel);
CTK_WIDGET_ADD(&tcpipwindow, &ipaddrtextentry);
CTK_WIDGET_ADD(&tcpipwindow, &netmasklabel);
CTK_WIDGET_ADD(&tcpipwindow, &netmasktextentry);
CTK_WIDGET_ADD(&tcpipwindow, &gatewaylabel);
CTK_WIDGET_ADD(&tcpipwindow, &gatewaytextentry);
#if UIP_UDP
CTK_WIDGET_ADD(&tcpipwindow, &dnsserverlabel);
CTK_WIDGET_ADD(&tcpipwindow, &dnsservertextentry);
#endif /* UIP_UDP */
CTK_WIDGET_ADD(&tcpipwindow, &tcpipclosebutton);
CTK_WIDGET_FOCUS(&tcpipwindow, &ipaddrtextentry);
/* Fill the configuration strings with values from the current
configuration */
makestrings();
ctk_window_open(&tcpipwindow);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == ctk_signal_button_activate) {
if(data == (process_data_t)&tcpipclosebutton) {
apply_tcpipconfig();
ctk_window_close(&tcpipwindow);
netconf_quit();
}
} else if(
#if CTK_CONF_WINDOWCLOSE
ev == ctk_signal_window_close ||
#endif
ev == PROCESS_EVENT_EXIT) {
ctk_window_close(&tcpipwindow);
netconf_quit();
}
}
PROCESS_END();
}
/*-----------------------------------------------------------------------------------*/