contiki/apps/dhcp/dhcp.c

160 lines
4.2 KiB
C
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#include "contiki-net.h"
#include "ctk/ctk.h"
#include "net/dhcpc.h"
PROCESS(dhcp_process, "DHCP");
static struct ctk_window window;
static struct ctk_button getbutton =
{CTK_BUTTON(0, 0, 16, "Request address")};
static struct ctk_label statuslabel =
{CTK_LABEL(0, 1, 16, 1, "")};
static struct ctk_label ipaddrlabel =
{CTK_LABEL(0, 3, 10, 1, "IP address")};
static char ipaddr[17];
static struct ctk_textentry ipaddrentry =
{CTK_LABEL(11, 3, 16, 1, ipaddr)};
static struct ctk_label netmasklabel =
{CTK_LABEL(0, 4, 10, 1, "Netmask")};
static char netmask[17];
static struct ctk_textentry netmaskentry =
{CTK_LABEL(11, 4, 16, 1, netmask)};
static struct ctk_label gatewaylabel =
{CTK_LABEL(0, 5, 10, 1, "Gateway")};
static char gateway[17];
static struct ctk_textentry gatewayentry =
{CTK_LABEL(11, 5, 16, 1, gateway)};
static struct ctk_label dnsserverlabel =
{CTK_LABEL(0, 6, 10, 1, "DNS server")};
static char dnsserver[17];
static struct ctk_textentry dnsserverentry =
{CTK_LABEL(11, 6, 16, 1, dnsserver)};
enum {
SHOWCONFIG
};
/*---------------------------------------------------------------------------*/
static void
set_statustext(char *text)
{
ctk_label_set_text(&statuslabel, text);
CTK_WIDGET_REDRAW(&statuslabel);
}
/*---------------------------------------------------------------------------*/
static char *
makebyte(u8_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);
addrptr = resolv_getserver();
if(addrptr != NULL) {
makeaddr(addrptr, dnsserver);
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(dhcp_process, ev, data)
{
PROCESS_BEGIN();
ctk_window_new(&window, 28, 7, "DHCP");
CTK_WIDGET_ADD(&window, &getbutton);
CTK_WIDGET_ADD(&window, &statuslabel);
CTK_WIDGET_ADD(&window, &ipaddrlabel);
CTK_WIDGET_ADD(&window, &ipaddrentry);
CTK_WIDGET_ADD(&window, &netmasklabel);
CTK_WIDGET_ADD(&window, &netmaskentry);
CTK_WIDGET_ADD(&window, &gatewaylabel);
CTK_WIDGET_ADD(&window, &gatewayentry);
CTK_WIDGET_ADD(&window, &dnsserverlabel);
CTK_WIDGET_ADD(&window, &dnsserverentry);
CTK_WIDGET_FOCUS(&window, &getbutton);
ctk_window_open(&window);
dhcpc_init(uip_ethaddr.addr, sizeof(uip_ethaddr.addr));
while(1) {
PROCESS_WAIT_EVENT();
if(ev == ctk_signal_widget_activate) {
if(data == (process_data_t)&getbutton) {
dhcpc_request();
set_statustext("Requesting...");
}
} else if(ev == tcpip_event) {
dhcpc_appcall(ev, data);
} else if(ev == PROCESS_EVENT_EXIT ||
ev == ctk_signal_window_close) {
ctk_window_close(&window);
process_exit(&dhcp_process);
LOADER_UNLOAD();
} else if(ev == SHOWCONFIG) {
makestrings();
ctk_window_redraw(&window);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
dhcpc_configured(const struct dhcpc_state *s)
{
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uip_sethostaddr(&s->ipaddr);
uip_setnetmask(&s->netmask);
uip_setdraddr(&s->default_router);
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resolv_conf(&s->dnsaddr);
set_statustext("Configured.");
process_post(PROCESS_CURRENT(), SHOWCONFIG, NULL);
}
/*---------------------------------------------------------------------------*/
void
dhcpc_unconfigured(const struct dhcpc_state *s)
{
set_statustext("Unconfigured.");
process_post(PROCESS_CURRENT(), SHOWCONFIG, NULL);
}
/*---------------------------------------------------------------------------*/