RPL border router Web server cleanup
This commit is contained in:
Simon Duquennoy
parent
bc73bb3284
commit
52b10b6389
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@ -32,46 +32,34 @@
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#include "contiki.h"
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#include "net/routing/routing.h"
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#if RPL_WITH_NON_STORING
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/* For RPL non-storing specific link printout.
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* Note that traditional DS6 routes are printed in addition,
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* whenever UIP_MAX_ROUTES != 0 */
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#include "rpl-ns.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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static const char *TOP = "<html><head><title>Contiki-NG</title></head><body>\n";
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static const char *BOTTOM = "</body></html>\n";
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#if BUF_USES_STACK
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static char *bufptr, *bufend;
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#define ADD(...) do { \
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bufptr += snprintf(bufptr, bufend - bufptr, __VA_ARGS__); \
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} while(0)
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#else
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static const char *TOP = "<html>\n <head>\n <title>Contiki-NG</title>\n </head>\n<body>\n";
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static const char *BOTTOM = "\n</body>\n</html>\n";
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static char buf[256];
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static int blen;
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#define ADD(...) do { \
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blen += snprintf(&buf[blen], sizeof(buf) - blen, __VA_ARGS__); \
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} while(0)
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#endif
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#define SEND(s) do { \
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SEND_STRING(s, buf); \
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blen = 0; \
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} while(0);
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/* Use simple webserver with only one page for minimum footprint.
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* Multiple connections can result in interleaved tcp segments since
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* a single static buffer is used for all segments.
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*/
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#include "httpd-simple.h"
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/* The internal webserver can provide additional information if
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* enough program flash is available.
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*/
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#define WEBSERVER_CONF_LOADTIME 0
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#define WEBSERVER_CONF_FILESTATS 0
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#define WEBSERVER_CONF_NEIGHBOR_STATUS 0
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/* Adding links requires a larger RAM buffer. To avoid static allocation
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* the stack can be used for formatting; however tcp retransmissions
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* and multiple connections can result in garbled segments.
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* TODO:use PSOCk_GENERATOR_SEND and tcp state storage to fix this.
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*/
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#define WEBSERVER_CONF_ROUTE_LINKS 0
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#if WEBSERVER_CONF_ROUTE_LINKS
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#define BUF_USES_STACK 1
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#endif
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/*---------------------------------------------------------------------------*/
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static void
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@ -99,210 +87,72 @@ ipaddr_add(const uip_ipaddr_t *addr)
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static
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PT_THREAD(generate_routes(struct httpd_state *s))
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{
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static uip_ds6_route_t *r;
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#if RPL_WITH_NON_STORING
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static rpl_ns_node_t *link;
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#endif /* RPL_WITH_NON_STORING */
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static uip_ds6_nbr_t *nbr;
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#if BUF_USES_STACK
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char buf[256];
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#endif
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#if WEBSERVER_CONF_LOADTIME
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static clock_time_t numticks;
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numticks = clock_time();
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#endif
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PSOCK_BEGIN(&s->sout);
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SEND_STRING(&s->sout, TOP);
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#if BUF_USES_STACK
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bufptr = buf;
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bufend = bufptr + sizeof(buf);
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#else
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blen = 0;
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#endif
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ADD("Neighbors<pre>");
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ADD(" Neighbors\n <ul>\n");
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SEND(&s->sout);
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for(nbr = nbr_table_head(ds6_neighbors);
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nbr != NULL;
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nbr = nbr_table_next(ds6_neighbors, nbr)) {
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#if WEBSERVER_CONF_NEIGHBOR_STATUS
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#if BUF_USES_STACK
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{ char *j = bufptr + 25;
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ipaddr_add(&nbr->ipaddr);
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while(bufptr < j) ADD(" ");
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switch(nbr->state) {
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case NBR_INCOMPLETE: ADD(" INCOMPLETE");
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break;
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case NBR_REACHABLE: ADD(" REACHABLE");
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break;
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case NBR_STALE: ADD(" STALE");
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break;
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case NBR_DELAY: ADD(" DELAY");
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break;
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case NBR_PROBE: ADD(" NBR_PROBE");
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break;
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}
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}
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#else
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{ uint8_t j = blen + 25;
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ipaddr_add(&nbr->ipaddr);
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while(blen < j) ADD(" ");
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switch(nbr->state) {
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case NBR_INCOMPLETE: ADD(" INCOMPLETE");
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break;
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case NBR_REACHABLE: ADD(" REACHABLE");
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break;
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case NBR_STALE: ADD(" STALE");
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break;
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case NBR_DELAY: ADD(" DELAY");
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break;
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case NBR_PROBE: ADD(" NBR_PROBE");
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break;
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}
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}
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#endif
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#else
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ADD(" <li>");
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ipaddr_add(&nbr->ipaddr);
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#endif
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ADD("\n");
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#if BUF_USES_STACK
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if(bufptr > bufend - 45) {
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SEND_STRING(&s->sout, buf);
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bufptr = buf;
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bufend = bufptr + sizeof(buf);
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}
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#else
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if(blen > sizeof(buf) - 45) {
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SEND_STRING(&s->sout, buf);
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blen = 0;
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}
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#endif
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ADD("</li>\n");
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SEND(&s->sout);
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}
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ADD("</pre>Routes<pre>\n");
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SEND_STRING(&s->sout, buf);
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#if BUF_USES_STACK
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bufptr = buf;
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bufend = bufptr + sizeof(buf);
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#else
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blen = 0;
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#endif
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ADD(" </ul>\n");
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SEND(&s->sout);
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for(r = uip_ds6_route_head(); r != NULL; r = uip_ds6_route_next(r)) {
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#if BUF_USES_STACK
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#if WEBSERVER_CONF_ROUTE_LINKS
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ADD("<a href=http://[");
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ipaddr_add(&r->ipaddr);
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ADD("]/status.shtml>");
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ipaddr_add(&r->ipaddr);
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ADD("</a>");
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#else
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ipaddr_add(&r->ipaddr);
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#endif
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#else
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#if WEBSERVER_CONF_ROUTE_LINKS
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ADD("<a href=http://[");
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ipaddr_add(&r->ipaddr);
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ADD("]/status.shtml>");
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SEND_STRING(&s->sout, buf);
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blen = 0;
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ipaddr_add(&r->ipaddr);
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ADD("</a>");
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#else
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ipaddr_add(&r->ipaddr);
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#endif
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#endif
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ADD("/%u (via ", r->length);
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ipaddr_add(uip_ds6_route_nexthop(r));
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if(1 || (r->state.lifetime < 600)) {
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ADD(") %lus\n", (unsigned long)r->state.lifetime);
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} else {
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ADD(")\n");
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#if (UIP_MAX_ROUTES != 0)
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{
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static uip_ds6_route_t *r;
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ADD(" Routes\n <ul>\n");
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SEND(&s->sout);
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for(r = uip_ds6_route_head(); r != NULL; r = uip_ds6_route_next(r)) {
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ADD(" <li>");
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ipaddr_add(&r->ipaddr);
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ADD("/%u (via ", r->length);
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ipaddr_add(uip_ds6_route_nexthop(r));
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ADD(") %lus", (unsigned long)r->state.lifetime);
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ADD("</li>\n");
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SEND(&s->sout);
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}
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SEND_STRING(&s->sout, buf);
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#if BUF_USES_STACK
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bufptr = buf;
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bufend = bufptr + sizeof(buf);
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#else
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blen = 0;
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#endif
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ADD(" </ul>\n");
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SEND(&s->sout);
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}
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ADD("</pre>");
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#endif /* UIP_MAX_ROUTES != 0 */
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#if RPL_WITH_NON_STORING
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ADD("Links<pre>\n");
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SEND_STRING(&s->sout, buf);
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#if BUF_USES_STACK
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bufptr = buf;
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bufend = bufptr + sizeof(buf);
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#else
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blen = 0;
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#endif
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for(link = rpl_ns_node_head(); link != NULL; link = rpl_ns_node_next(link)) {
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if(link->parent != NULL) {
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uip_ipaddr_t child_ipaddr;
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uip_ipaddr_t parent_ipaddr;
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{
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static rpl_ns_node_t *link;
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ADD(" Routing links\n <ul>\n");
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SEND(&s->sout);
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for(link = rpl_ns_node_head(); link != NULL; link = rpl_ns_node_next(link)) {
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if(link->parent != NULL) {
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uip_ipaddr_t child_ipaddr;
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uip_ipaddr_t parent_ipaddr;
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rpl_ns_get_node_global_addr(&child_ipaddr, link);
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rpl_ns_get_node_global_addr(&parent_ipaddr, link->parent);
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rpl_ns_get_node_global_addr(&child_ipaddr, link);
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rpl_ns_get_node_global_addr(&parent_ipaddr, link->parent);
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#if BUF_USES_STACK
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#if WEBSERVER_CONF_ROUTE_LINKS
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ADD("<a href=http://[");
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ipaddr_add(&child_ipaddr);
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ADD("]/status.shtml>");
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ipaddr_add(&child_ipaddr);
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ADD("</a>");
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#else
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ipaddr_add(&child_ipaddr);
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#endif
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#else
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#if WEBSERVER_CONF_ROUTE_LINKS
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ADD("<a href=http://[");
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ipaddr_add(&child_ipaddr);
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ADD("]/status.shtml>");
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SEND_STRING(&s->sout, buf);
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blen = 0;
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ipaddr_add(&child_ipaddr);
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ADD("</a>");
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#else
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ipaddr_add(&child_ipaddr);
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#endif
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#endif
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ADD(" <li>");
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ipaddr_add(&child_ipaddr);
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ADD(" (parent: ");
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ipaddr_add(&parent_ipaddr);
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if(1 || (link->lifetime < 600)) {
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ADD(") %us\n", (unsigned int)link->lifetime);
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} else {
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ADD(")\n");
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ADD(" (parent: ");
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ipaddr_add(&parent_ipaddr);
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ADD(") %us", (unsigned int)link->lifetime);
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ADD("</li>\n");
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SEND(&s->sout);
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}
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SEND_STRING(&s->sout, buf);
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#if BUF_USES_STACK
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bufptr = buf;
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bufend = bufptr + sizeof(buf);
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#else
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blen = 0;
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#endif
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}
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ADD(" </ul>");
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SEND(&s->sout);
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}
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ADD("</pre>");
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#endif /* RPL_WITH_NON_STORING */
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#if WEBSERVER_CONF_FILESTATS
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static uint16_t numtimes;
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ADD("<br><i>This page sent %u times</i>", ++numtimes);
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#endif
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#if WEBSERVER_CONF_LOADTIME
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numticks = clock_time() - numticks + 1;
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ADD(" <i>(%u.%02u sec)</i>", numticks / CLOCK_SECOND, (100 * (numticks % CLOCK_SECOND)) / CLOCK_SECOND));
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#endif
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SEND_STRING(&s->sout, buf);
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SEND_STRING(&s->sout, BOTTOM);
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PSOCK_END(&s->sout);
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