271 lines
8.0 KiB
C
271 lines
8.0 KiB
C
/*
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* Copyright (c) 2002, Adam Dunkels.
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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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki desktop environment
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*
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*
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*/
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#include "contiki-net.h"
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#include "ctk/ctk.h"
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#include "cfs/cfs.h"
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#include "net/ip/dhcpc.h"
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static struct ctk_window window;
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static struct ctk_button requestbutton =
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{CTK_BUTTON(4, 1, 18, "Request IP address")};
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static struct ctk_label statuslabel =
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{CTK_LABEL(0, 3, 14, 1, "")};
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static struct ctk_label ipaddrlabel =
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{CTK_LABEL(0, 5, 10, 1, "IP address")};
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static char ipaddr[16];
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static struct ctk_textentry ipaddrtextentry =
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{CTK_TEXTENTRY(11, 5, 15, 1, ipaddr, 15)};
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static struct ctk_label netmasklabel =
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{CTK_LABEL(0, 7, 10, 1, "Netmask")};
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static char netmask[16];
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static struct ctk_textentry netmasktextentry =
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{CTK_TEXTENTRY(11, 7, 15, 1, netmask, 15)};
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static struct ctk_label gatewaylabel =
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{CTK_LABEL(0, 9, 10, 1, "Gateway")};
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static char gateway[16];
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static struct ctk_textentry gatewaytextentry =
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{CTK_TEXTENTRY(11, 9, 15, 1, gateway, 15)};
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#if WITH_DNS
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static struct ctk_label dnsserverlabel =
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{CTK_LABEL(0, 11, 10, 1, "DNS server")};
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static char dnsserver[16];
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static struct ctk_textentry dnsservertextentry =
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{CTK_TEXTENTRY(11, 11, 15, 1, dnsserver, 15)};
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#endif /* WITH_DNS */
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static struct ctk_button savebutton =
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{CTK_BUTTON(0, 13, 12, "Save & close")};
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static struct ctk_button cancelbutton =
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{CTK_BUTTON(20, 13, 6, "Cancel")};
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PROCESS(ipconfig_process, "IP config");
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AUTOSTART_PROCESSES(&ipconfig_process);
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/*-----------------------------------------------------------------------------------*/
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static char *
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makebyte(uint8_t byte, char *str)
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{
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if(byte >= 100) {
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*str++ = (byte / 100 ) % 10 + '0';
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}
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if(byte >= 10) {
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*str++ = (byte / 10) % 10 + '0';
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}
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*str++ = (byte % 10) + '0';
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return str;
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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makeaddr(uip_ipaddr_t *addr, char *str)
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{
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str = makebyte(addr->u8[0], str);
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*str++ = '.';
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str = makebyte(addr->u8[1], str);
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*str++ = '.';
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str = makebyte(addr->u8[2], str);
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*str++ = '.';
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str = makebyte(addr->u8[3], str);
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*str++ = 0;
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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makestrings(void)
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{
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uip_ipaddr_t addr, *addrptr;
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uip_gethostaddr(&addr);
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makeaddr(&addr, ipaddr);
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uip_getnetmask(&addr);
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makeaddr(&addr, netmask);
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uip_getdraddr(&addr);
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makeaddr(&addr, gateway);
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#if WITH_DNS
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addrptr = uip_nameserver_get(0);
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if(addrptr != NULL) {
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makeaddr(addrptr, dnsserver);
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}
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#endif /* WITH_DNS */
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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nullterminate(char *cptr)
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{
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/* Find the first space character in the ipaddr and put a zero there
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to end the string. */
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for(; *cptr != ' ' && *cptr != 0; ++cptr);
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*cptr = 0;
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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apply_tcpipconfig(void)
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{
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int file = cfs_open("contiki.cfg", CFS_READ);
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int size = cfs_read(file, uip_buf, 100);
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cfs_close(file);
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nullterminate(ipaddr);
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uiplib_ipaddrconv(ipaddr, (uip_ipaddr_t *)&uip_buf[0]);
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nullterminate(netmask);
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uiplib_ipaddrconv(netmask, (uip_ipaddr_t *)&uip_buf[4]);
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nullterminate(gateway);
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uiplib_ipaddrconv(gateway, (uip_ipaddr_t *)&uip_buf[8]);
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#if WITH_DNS
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nullterminate(dnsserver);
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uiplib_ipaddrconv(dnsserver, (uip_ipaddr_t *)&uip_buf[12]);
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#endif /* WITH_DNS */
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file = cfs_open("contiki.cfg", CFS_WRITE);
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cfs_write(file, uip_buf, size);
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cfs_close(file);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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set_statustext(char *text)
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{
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ctk_label_set_text(&statuslabel, text);
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CTK_WIDGET_REDRAW(&statuslabel);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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app_quit(void)
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{
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ctk_window_close(&window);
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process_exit(&ipconfig_process);
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LOADER_UNLOAD();
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}
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/*-----------------------------------------------------------------------------------*/
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PROCESS_THREAD(ipconfig_process, ev, data)
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{
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PROCESS_BEGIN();
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ctk_window_new(&window, 29, 14, "IP config");
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CTK_WIDGET_ADD(&window, &requestbutton);
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CTK_WIDGET_ADD(&window, &statuslabel);
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CTK_WIDGET_ADD(&window, &ipaddrlabel);
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CTK_WIDGET_ADD(&window, &ipaddrtextentry);
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CTK_WIDGET_ADD(&window, &netmasklabel);
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CTK_WIDGET_ADD(&window, &netmasktextentry);
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CTK_WIDGET_ADD(&window, &gatewaylabel);
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CTK_WIDGET_ADD(&window, &gatewaytextentry);
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#if WITH_DNS
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CTK_WIDGET_ADD(&window, &dnsserverlabel);
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CTK_WIDGET_ADD(&window, &dnsservertextentry);
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#endif /* WITH_DNS */
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CTK_WIDGET_ADD(&window, &savebutton);
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CTK_WIDGET_ADD(&window, &cancelbutton);
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CTK_WIDGET_FOCUS(&window, &requestbutton);
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makestrings();
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ctk_window_open(&window);
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/* Allow resolver to set DNS server address. */
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PROCESS_PAUSE();
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dhcpc_init(uip_lladdr.addr, sizeof(uip_lladdr.addr));
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == PROCESS_EVENT_MSG) {
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makestrings();
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ctk_window_redraw(&window);
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} else if(ev == tcpip_event) {
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dhcpc_appcall(ev, data);
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} else if(ev == ctk_signal_button_activate) {
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if(data == (process_data_t)&requestbutton) {
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dhcpc_request();
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set_statustext("Requesting...");
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}
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if(data == (process_data_t)&savebutton) {
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apply_tcpipconfig();
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app_quit();
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}
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if(data == (process_data_t)&cancelbutton) {
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app_quit();
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}
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} else if(
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#if CTK_CONF_WINDOWCLOSE
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ev == ctk_signal_window_close ||
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#endif
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ev == PROCESS_EVENT_EXIT) {
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app_quit();
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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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void
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dhcpc_configured(const struct dhcpc_state *s)
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{
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uip_sethostaddr(&s->ipaddr);
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uip_setnetmask(&s->netmask);
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uip_setdraddr(&s->default_router);
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#if WITH_DNS
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uip_nameserver_update(&s->dnsaddr, UIP_NAMESERVER_INFINITE_LIFETIME);
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#endif /* WITH_DNS */
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set_statustext("Configured.");
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process_post(PROCESS_CURRENT(), PROCESS_EVENT_MSG, NULL);
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}
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/*-----------------------------------------------------------------------------------*/
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void
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dhcpc_unconfigured(const struct dhcpc_state *s)
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{
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static uip_ipaddr_t nulladdr;
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uip_sethostaddr(&nulladdr);
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uip_setnetmask(&nulladdr);
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uip_setdraddr(&nulladdr);
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#if WITH_DNS
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uip_nameserver_update(&nulladdr, UIP_NAMESERVER_INFINITE_LIFETIME);
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#endif /* WITH_DNS */
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set_statustext("Unconfigured.");
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process_post(PROCESS_CURRENT(), PROCESS_EVENT_MSG, NULL);
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}
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/*-----------------------------------------------------------------------------------*/
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