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Add display options to border router web page, default now uses stack instead of static buffer.

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Turn radio off until prefix is acquired.
This commit is contained in:
David Kopf 2012-03-02 16:01:12 -05:00
parent 709822042c
commit 07f6e10c1c
2 changed files with 130 additions and 15 deletions
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6
core/net/mac/contikimac.c
View file

@ -535,6 +535,12 @@ send_packet(mac_callback_t mac_callback, void *mac_callback_ptr, struct rdc_buf_
struct hdr *chdr;
#endif /* WITH_CONTIKIMAC_HEADER */
/* Exit if RDC and radio were explicitly turned off */
if (!contikimac_is_on && !contikimac_keep_radio_on) {
PRINTF("contikimac: radio is turned off\n");
return MAC_TX_ERR_FATAL;
}
if(packetbuf_totlen() == 0) {
PRINTF("contikimac: send_packet data len 0\n");
return MAC_TX_ERR_FATAL;

139
examples/ipv6/rpl-border-router/border-router.c
View file

@ -74,6 +74,13 @@ AUTOSTART_PROCESSES(&border_router_process,&webserver_nogui_process);
#else
/* Use simple webserver with only one page */
#include "httpd-simple.h"
#define WEBSERVER_CONF_LOADTIME 0
#define WEBSERVER_CONF_FILESTATS 0
#define WEBSERVER_CONF_NEIGHBOR_STATUS 0
#define WEBSERVER_CONF_ROUTE_LINKS 0
#define BUF_USES_STACK 1
PROCESS(webserver_nogui_process, "Web server");
PROCESS_THREAD(webserver_nogui_process, ev, data)
{
@ -92,11 +99,19 @@ AUTOSTART_PROCESSES(&border_router_process,&webserver_nogui_process);
static const char *TOP = "<html><head><title>ContikiRPL</title></head><body>\n";
static const char *BOTTOM = "</body></html>\n";
static char buf[128];
#if BUF_USES_STACK
static char *bufptr, *bufend;
#define ADD(...) do { \
bufptr += snprintf(bufptr, bufend - bufptr, __VA_ARGS__); \
} while(0)
#else
static char buf[256];
static int blen;
#define ADD(...) do { \
blen += snprintf(&buf[blen], sizeof(buf) - blen, __VA_ARGS__); \
} while(0)
#endif
/*---------------------------------------------------------------------------*/
static void
ipaddr_add(const uip_ipaddr_t *addr)
@ -106,15 +121,12 @@ ipaddr_add(const uip_ipaddr_t *addr)
for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
a = (addr->u8[i] << 8) + addr->u8[i + 1];
if(a == 0 && f >= 0) {
if(f++ == 0 && sizeof(buf) - blen >= 2) {
buf[blen++] = ':';
buf[blen++] = ':';
}
if(f++ == 0) ADD("::");
} else {
if(f > 0) {
f = -1;
} else if(i > 0 && blen < sizeof(buf)) {
buf[blen++] = ':';
} else if(i > 0) {
ADD(":");
}
ADD("%x", a);
}
@ -125,46 +137,130 @@ static
PT_THREAD(generate_routes(struct httpd_state *s))
{
static int i;
#if BUF_USES_STACK
char buf[256];
#endif
#if WEBSERVER_CONF_LOADTIME
static clock_time_t numticks;
numticks = clock_time();
#endif
PSOCK_BEGIN(&s->sout);
SEND_STRING(&s->sout, TOP);
#if BUF_USES_STACK
bufptr = buf;bufend=bufptr+sizeof(buf);
#else
blen = 0;
#endif
ADD("Neighbors<pre>");
for(i = 0; i < UIP_DS6_NBR_NB; i++) {
if(uip_ds6_nbr_cache[i].isused) {
#if WEBSERVER_CONF_NEIGHBOR_STATUS
#if BUF_USES_STACK
{char* j=bufptr+25;
ipaddr_add(&uip_ds6_nbr_cache[i].ipaddr);
while (bufptr < j) ADD(" ");
switch (uip_ds6_nbr_cache[i].state) {
case NBR_INCOMPLETE: ADD(" INCOMPLETE");break;
case NBR_REACHABLE: ADD(" REACHABLE");break;
case NBR_STALE: ADD(" STALE");break;
case NBR_DELAY: ADD(" DELAY");break;
case NBR_PROBE: ADD(" NBR_PROBE");break;
}
}
#else
{uint8_t j=blen+25;
ipaddr_add(&uip_ds6_nbr_cache[i].ipaddr);
while (blen < j) ADD(" ");
switch (uip_ds6_nbr_cache[i].state) {
case NBR_INCOMPLETE: ADD(" INCOMPLETE");break;
case NBR_REACHABLE: ADD(" REACHABLE");break;
case NBR_STALE: ADD(" STALE");break;
case NBR_DELAY: ADD(" DELAY");break;
case NBR_PROBE: ADD(" NBR_PROBE");break;
}
}
#endif
#else
ipaddr_add(&uip_ds6_nbr_cache[i].ipaddr);
#endif
ADD("\n");
#if BUF_USES_STACK
if(bufptr > bufend - 45) {
SEND_STRING(&s->sout, buf);
bufptr = buf; bufend = bufptr + sizeof(buf);
}
#else
if(blen > sizeof(buf) - 45) {
SEND_STRING(&s->sout, buf);
blen = 0;
}
#endif
}
}
ADD("</pre>Routes<pre>");
SEND_STRING(&s->sout, buf);
#if BUF_USES_STACK
bufptr = buf; bufend = bufptr + sizeof(buf);
#else
blen = 0;
#endif
for(i = 0; i < UIP_DS6_ROUTE_NB; i++) {
if(uip_ds6_routing_table[i].isused) {
#if BUF_USES_STACK
#if WEBSERVER_CONF_ROUTE_LINKS
ADD("<a href=http://[");
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
ADD("]/status.shtml>");
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
ADD("</a>");
#else
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
#endif
#else
#if WEBSERVER_CONF_ROUTE_LINKS
ADD("<a href=http://[");
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
ADD("]/status.shtml>");
SEND_STRING(&s->sout, buf); //TODO: why tunslip6 needs an output here, wpcapslip does not
blen = 0;
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
ADD("</a>");
#else
ipaddr_add(&uip_ds6_routing_table[i].ipaddr);
#endif
#endif
ADD("/%u (via ", uip_ds6_routing_table[i].length);
ipaddr_add(&uip_ds6_routing_table[i].nexthop);
if(uip_ds6_routing_table[i].state.lifetime < 600) {
if(1 || (uip_ds6_routing_table[i].state.lifetime < 600)) {
ADD(") %lus\n", uip_ds6_routing_table[i].state.lifetime);
} else {
ADD(")\n");
}
SEND_STRING(&s->sout, buf);
#if BUF_USES_STACK
bufptr = buf; bufend = bufptr + sizeof(buf);
#else
blen = 0;
#endif
}
}
ADD("</pre>");
//if(blen > 0) {
SEND_STRING(&s->sout, buf);
// blen = 0;
//}
#if WEBSERVER_CONF_FILESTATS
static uint16_t numtimes;
ADD("<br><i>This page sent %u times</i>",++numtimes);
#endif
#if WEBSERVER_CONF_LOADTIME
numticks = clock_time() - numticks + 1;
ADD(" <i>(%u.%02u sec)</i>",numticks/CLOCK_SECOND,(100*(numticks%CLOCK_SECOND))/CLOCK_SECOND));
#endif
SEND_STRING(&s->sout, buf);
SEND_STRING(&s->sout, BOTTOM);
PSOCK_END(&s->sout);
@ -173,6 +269,7 @@ PT_THREAD(generate_routes(struct httpd_state *s))
httpd_simple_script_t
httpd_simple_get_script(const char *name)
{
return generate_routes;
}
@ -226,19 +323,26 @@ PROCESS_THREAD(border_router_process, ev, data)
PROCESS_BEGIN();
/* While waiting for the prefix to be sent through the SLIP connection, the future
* border router can join an existing DAG as a parent or child, or acquire a default
* router that will later take precedence over the SLIP fallback interface.
* Prevent that by turning the radio off until we are initialized as a DAG root.
*/
prefix_set = 0;
NETSTACK_MAC.off(0);
PROCESS_PAUSE();
SENSORS_ACTIVATE(button_sensor);
PRINTF("RPL-Border router started\n");
#if 0
/* The border router runs with a 100% duty cycle in order to ensure high
packet reception rates.
Note if the MAC RDC is not turned off now, aggressive power management of the
cpu will interfere with establishing the SLIP connection */
NETSTACK_MAC.off(1);
#endif
/* Request prefix until it has been received */
while(!prefix_set) {
@ -253,6 +357,11 @@ PROCESS_THREAD(border_router_process, ev, data)
PRINTF("created a new RPL dag\n");
}
/* Now turn the radio on, but disable radio duty cycling.
* Since we are the DAG root, reception delays would constrain mesh throughbut.
*/
NETSTACK_MAC.off(1);
#if DEBUG || 1
print_local_addresses();
#endif