mirror of
https://github.com/stargieg/bacnet-stack
synced 2025-10-26 23:35:52 +08:00
121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/*
|
|
Copyright (C) 2012 Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "portthread.h"
|
|
|
|
ROUTER_PORT *find_snet(
|
|
MSGBOX_ID id)
|
|
{
|
|
|
|
ROUTER_PORT *port = head;
|
|
|
|
while (port != NULL) {
|
|
if (port->port_id == id)
|
|
return port;
|
|
port = port->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
ROUTER_PORT *find_dnet(
|
|
uint16_t net,
|
|
BACNET_ADDRESS * addr)
|
|
{
|
|
|
|
ROUTER_PORT *port = head;
|
|
DNET *dnet;
|
|
|
|
/* for broadcast messages no search is needed */
|
|
if (net == BACNET_BROADCAST_NETWORK)
|
|
return port;
|
|
|
|
while (port != NULL) {
|
|
|
|
/* check if DNET is directly connected to the router */
|
|
if (net == port->route_info.net)
|
|
return port;
|
|
|
|
/* else search router ports DNET list */
|
|
else if (port->route_info.dnets) {
|
|
dnet = port->route_info.dnets;
|
|
while (dnet != NULL) {
|
|
if (net == dnet->net) {
|
|
if (addr) {
|
|
memmove(&addr->len, &dnet->mac_len, 1);
|
|
memmove(&addr->adr[0], &dnet->mac[0], MAX_MAC_LEN);
|
|
}
|
|
return port;
|
|
}
|
|
dnet = dnet->next;
|
|
}
|
|
}
|
|
port = port->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void add_dnet(
|
|
RT_ENTRY * route_info,
|
|
uint16_t net,
|
|
BACNET_ADDRESS addr)
|
|
{
|
|
|
|
DNET *dnet = route_info->dnets;
|
|
DNET *tmp;
|
|
|
|
if (dnet == NULL) {
|
|
route_info->dnets = (DNET *) malloc(sizeof(DNET));
|
|
memmove(&route_info->dnets->mac_len, &addr.len, 1);
|
|
memmove(&route_info->dnets->mac[0], &addr.adr[0], MAX_MAC_LEN);
|
|
route_info->dnets->net = net;
|
|
route_info->dnets->state = true;
|
|
route_info->dnets->next = NULL;
|
|
} else {
|
|
|
|
while (dnet != NULL) {
|
|
if (dnet->net == net) /* make sure NETs are not repeated */
|
|
return;
|
|
tmp = dnet;
|
|
dnet = dnet->next;
|
|
}
|
|
|
|
dnet = (DNET *) malloc(sizeof(DNET));
|
|
memmove(&dnet->mac_len, &addr.len, 1);
|
|
memmove(&dnet->mac[0], &addr.adr[0], MAX_MAC_LEN);
|
|
dnet->net = net;
|
|
dnet->state = true;
|
|
dnet->next = NULL;
|
|
tmp->next = dnet;
|
|
}
|
|
}
|
|
|
|
void cleanup_dnets(
|
|
DNET * dnets)
|
|
{
|
|
|
|
DNET *dnet = dnets;
|
|
while (dnet != NULL) {
|
|
dnet = dnet->next;
|
|
free(dnets);
|
|
dnets = dnet;
|
|
}
|
|
}
|