2017-11-01 14:41:29 +00:00
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/*
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* Copyright (c) 2017, RISE SICS
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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 copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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#include "contiki.h"
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2017-12-09 08:53:48 +00:00
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#include "net/routing/routing.h"
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2018-03-31 16:35:25 +00:00
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#include "net/ipv6/uip-ds6-nbr.h"
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2017-12-13 20:00:33 +00:00
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#include "net/ipv6/uip-ds6-route.h"
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#include "net/ipv6/uip-sr.h"
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2017-11-01 14:41:29 +00:00
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#include <stdio.h>
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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2017-12-09 15:27:08 +00:00
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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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2017-11-01 14:41:29 +00:00
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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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2017-12-09 15:27:08 +00:00
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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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2017-11-01 14:41:29 +00:00
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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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/*---------------------------------------------------------------------------*/
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static void
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ipaddr_add(const uip_ipaddr_t *addr)
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{
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uint16_t a;
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int i, f;
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for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
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a = (addr->u8[i] << 8) + addr->u8[i + 1];
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if(a == 0 && f >= 0) {
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2017-11-02 00:07:54 +00:00
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if(f++ == 0) {
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ADD("::");
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}
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2017-11-01 14:41:29 +00:00
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} else {
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if(f > 0) {
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f = -1;
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} else if(i > 0) {
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ADD(":");
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}
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ADD("%x", a);
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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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_nbr_t *nbr;
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PSOCK_BEGIN(&s->sout);
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SEND_STRING(&s->sout, TOP);
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2017-12-09 15:27:08 +00:00
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ADD(" Neighbors\n <ul>\n");
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SEND(&s->sout);
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2018-03-31 16:35:25 +00:00
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for(nbr = uip_ds6_nbr_head();
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2017-11-01 14:41:29 +00:00
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nbr != NULL;
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2018-03-31 16:35:25 +00:00
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nbr = uip_ds6_nbr_next(nbr)) {
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2017-12-09 15:27:08 +00:00
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ADD(" <li>");
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2017-11-02 00:07:54 +00:00
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ipaddr_add(&nbr->ipaddr);
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2017-12-09 15:27:08 +00:00
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ADD("</li>\n");
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SEND(&s->sout);
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2017-11-01 14:41:29 +00:00
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}
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2017-12-09 15:27:08 +00:00
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ADD(" </ul>\n");
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SEND(&s->sout);
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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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2017-11-01 14:41:29 +00:00
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}
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2017-12-09 15:27:08 +00:00
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ADD(" </ul>\n");
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SEND(&s->sout);
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2017-11-01 14:41:29 +00:00
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}
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2017-12-09 15:27:08 +00:00
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#endif /* UIP_MAX_ROUTES != 0 */
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2017-11-01 14:41:29 +00:00
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2017-12-13 20:00:33 +00:00
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#if (UIP_SR_LINK_NUM != 0)
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if(uip_sr_num_nodes() > 0) {
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static uip_sr_node_t *link;
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2017-12-09 15:27:08 +00:00
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ADD(" Routing links\n <ul>\n");
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SEND(&s->sout);
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2017-12-13 20:00:33 +00:00
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for(link = uip_sr_node_head(); link != NULL; link = uip_sr_node_next(link)) {
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2017-12-09 15:27:08 +00:00
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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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2017-12-13 20:00:33 +00:00
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NETSTACK_ROUTING.get_sr_node_ipaddr(&child_ipaddr, link);
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NETSTACK_ROUTING.get_sr_node_ipaddr(&parent_ipaddr, link->parent);
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2017-12-09 15:27:08 +00:00
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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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ADD(") %us", (unsigned int)link->lifetime);
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ADD("</li>\n");
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SEND(&s->sout);
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2017-11-01 14:41:29 +00:00
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}
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}
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2017-12-09 15:27:08 +00:00
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ADD(" </ul>");
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SEND(&s->sout);
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2017-11-01 14:41:29 +00:00
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}
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2017-12-13 20:00:33 +00:00
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#endif /* UIP_SR_LINK_NUM != 0 */
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2017-11-01 14:41:29 +00:00
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SEND_STRING(&s->sout, BOTTOM);
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PSOCK_END(&s->sout);
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}
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/*---------------------------------------------------------------------------*/
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PROCESS(webserver_nogui_process, "Web server");
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PROCESS_THREAD(webserver_nogui_process, ev, data)
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{
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PROCESS_BEGIN();
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httpd_init();
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
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httpd_appcall(data);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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httpd_simple_script_t
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httpd_simple_get_script(const char *name)
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{
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return generate_routes;
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}
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2017-12-09 07:59:32 +00:00
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/*---------------------------------------------------------------------------*/
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