added clang format C and H files.
This commit is contained in:
+140
-167
@@ -1,31 +1,31 @@
|
||||
/**
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Datalink IP module
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Datalink IP module
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
@@ -33,26 +33,23 @@
|
||||
#include "bacint.h"
|
||||
|
||||
#ifdef TEST_PACKET
|
||||
uint8_t test_packet[] = { 0x81, 0x0a, 0x00, 0x16, /* BVLC header */
|
||||
0x01, 0x24, 0x00, 0x01, 0x01, 0x0b, 0xff, /* NPDU */
|
||||
0x00, 0x03, 0x01, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x02, 0x19, 0x55
|
||||
}; /* APDU */
|
||||
uint8_t test_packet[] = {0x81, 0x0a, 0x00, 0x16, /* BVLC header */
|
||||
0x01, 0x24, 0x00, 0x01, 0x01, 0x0b, 0xff, /* NPDU */
|
||||
0x00, 0x03, 0x01, 0x0c, 0x0c, 0x00, 0x00,
|
||||
0x00, 0x02, 0x19, 0x55}; /* APDU */
|
||||
#endif
|
||||
|
||||
extern int get_local_address_ioctl(
|
||||
char *ifname,
|
||||
struct in_addr *addr,
|
||||
int request);
|
||||
extern int get_local_address_ioctl(char *ifname, struct in_addr *addr,
|
||||
int request);
|
||||
|
||||
void *dl_ip_thread(
|
||||
void *pArgs)
|
||||
void *dl_ip_thread(void *pArgs)
|
||||
{
|
||||
MSGBOX_ID msgboxid;
|
||||
BACMSG msg_storage, *bacmsg = NULL;
|
||||
MSG_DATA *msg_data;
|
||||
ROUTER_PORT *port = (ROUTER_PORT *) pArgs;
|
||||
IP_DATA ip_data; /* port specific parameters */
|
||||
BACNET_ADDRESS address = { 0 };
|
||||
ROUTER_PORT *port = (ROUTER_PORT *)pArgs;
|
||||
IP_DATA ip_data; /* port specific parameters */
|
||||
BACNET_ADDRESS address = {0};
|
||||
int status;
|
||||
uint8_t shutdown = 0;
|
||||
|
||||
@@ -64,7 +61,7 @@ void *dl_ip_thread(
|
||||
|
||||
/* allocate buffer */
|
||||
ip_data.max_buff = MAX_BIP_MPDU;
|
||||
ip_data.buff = (uint8_t *) malloc(ip_data.max_buff);
|
||||
ip_data.buff = (uint8_t *)malloc(ip_data.max_buff);
|
||||
|
||||
if (ip_data.buff == NULL) {
|
||||
port->state = INIT_FAILED;
|
||||
@@ -82,38 +79,37 @@ void *dl_ip_thread(
|
||||
port->state = RUNNING;
|
||||
|
||||
while (!shutdown) {
|
||||
|
||||
/* check for incoming messages */
|
||||
bacmsg = recv_from_msgbox(port->port_id, &msg_storage);
|
||||
|
||||
if (bacmsg) {
|
||||
switch (bacmsg->type) {
|
||||
case DATA:{
|
||||
msg_data = (MSG_DATA *) bacmsg->data;
|
||||
memmove(&address.net, &msg_data->dest.net, 2);
|
||||
memmove(&address.mac_len, &msg_data->dest.len, 1);
|
||||
memmove(&address.mac[0], &msg_data->dest.adr[0],
|
||||
case DATA: {
|
||||
msg_data = (MSG_DATA *)bacmsg->data;
|
||||
memmove(&address.net, &msg_data->dest.net, 2);
|
||||
memmove(&address.mac_len, &msg_data->dest.len, 1);
|
||||
memmove(&address.mac[0], &msg_data->dest.adr[0],
|
||||
MAX_MAC_LEN);
|
||||
|
||||
dl_ip_send(&ip_data, &address, msg_data->pdu,
|
||||
msg_data->pdu_len);
|
||||
dl_ip_send(&ip_data, &address, msg_data->pdu,
|
||||
msg_data->pdu_len);
|
||||
|
||||
check_data(msg_data);
|
||||
check_data(msg_data);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case SERVICE:{
|
||||
switch (bacmsg->subtype) {
|
||||
case SHUTDOWN:
|
||||
del_msgbox(port->port_id);
|
||||
shutdown = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
break;
|
||||
}
|
||||
|
||||
case SERVICE: {
|
||||
switch (bacmsg->subtype) {
|
||||
case SHUTDOWN:
|
||||
del_msgbox(port->port_id);
|
||||
shutdown = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
break;
|
||||
@@ -140,28 +136,24 @@ void *dl_ip_thread(
|
||||
return NULL;
|
||||
}
|
||||
|
||||
bool dl_ip_init(
|
||||
ROUTER_PORT * port,
|
||||
IP_DATA * ip_data)
|
||||
bool dl_ip_init(ROUTER_PORT *port, IP_DATA *ip_data)
|
||||
{
|
||||
struct sockaddr_in sin;
|
||||
int socket_opt = 0;
|
||||
int status = 0; /* for error checking */
|
||||
int status = 0; /* for error checking */
|
||||
|
||||
/* setup port for later use */
|
||||
ip_data->port = htons(port->params.bip_params.port);
|
||||
|
||||
/* get local address */
|
||||
status =
|
||||
get_local_address_ioctl(port->iface, &ip_data->local_addr,
|
||||
SIOCGIFADDR);
|
||||
get_local_address_ioctl(port->iface, &ip_data->local_addr, SIOCGIFADDR);
|
||||
if (status < 0) {
|
||||
return false;
|
||||
}
|
||||
/* get broadcast address */
|
||||
status =
|
||||
get_local_address_ioctl(port->iface, &ip_data->broadcast_addr,
|
||||
SIOCGIFBRDADDR);
|
||||
status = get_local_address_ioctl(port->iface, &ip_data->broadcast_addr,
|
||||
SIOCGIFBRDADDR);
|
||||
if (status < 0) {
|
||||
return false;
|
||||
}
|
||||
@@ -173,17 +165,15 @@ bool dl_ip_init(
|
||||
/* setup socket options */
|
||||
|
||||
socket_opt = 1;
|
||||
status =
|
||||
setsockopt(ip_data->socket, SOL_SOCKET, SO_REUSEADDR, &socket_opt,
|
||||
sizeof(socket_opt));
|
||||
status = setsockopt(ip_data->socket, SOL_SOCKET, SO_REUSEADDR, &socket_opt,
|
||||
sizeof(socket_opt));
|
||||
if (status < 0) {
|
||||
close(ip_data->socket);
|
||||
return false;
|
||||
}
|
||||
|
||||
status =
|
||||
setsockopt(ip_data->socket, SOL_SOCKET, SO_BROADCAST, &socket_opt,
|
||||
sizeof(socket_opt));
|
||||
status = setsockopt(ip_data->socket, SOL_SOCKET, SO_BROADCAST, &socket_opt,
|
||||
sizeof(socket_opt));
|
||||
if (status < 0) {
|
||||
close(ip_data->socket);
|
||||
return false;
|
||||
@@ -196,9 +186,8 @@ bool dl_ip_init(
|
||||
|
||||
memset(&sin.sin_zero, '\0', sizeof(sin.sin_zero));
|
||||
|
||||
status =
|
||||
bind(ip_data->socket, (const struct sockaddr *) &sin,
|
||||
sizeof(struct sockaddr));
|
||||
status = bind(ip_data->socket, (const struct sockaddr *)&sin,
|
||||
sizeof(struct sockaddr));
|
||||
if (status < 0) {
|
||||
close(ip_data->socket);
|
||||
return false;
|
||||
@@ -212,20 +201,17 @@ bool dl_ip_init(
|
||||
PRINT(INFO, "Interface: %s\n", port->iface);
|
||||
PRINT(INFO, "IP Address: %s\n", inet_ntoa(ip_data->local_addr));
|
||||
PRINT(INFO, "IP Broadcast Address: %s\n",
|
||||
inet_ntoa(ip_data->broadcast_addr));
|
||||
inet_ntoa(ip_data->broadcast_addr));
|
||||
PRINT(INFO, "UDP Port: 0x%04X [%hu]\n", (port->params.bip_params.port),
|
||||
(port->params.bip_params.port));
|
||||
(port->params.bip_params.port));
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
int dl_ip_send(
|
||||
IP_DATA * data,
|
||||
BACNET_ADDRESS * dest,
|
||||
uint8_t * pdu,
|
||||
unsigned pdu_len)
|
||||
int dl_ip_send(IP_DATA *data, BACNET_ADDRESS *dest, uint8_t *pdu,
|
||||
unsigned pdu_len)
|
||||
{
|
||||
struct sockaddr_in bip_dest = { 0 };
|
||||
struct sockaddr_in bip_dest = {0};
|
||||
int buff_len = 0;
|
||||
int bytes_sent = 0;
|
||||
|
||||
@@ -249,33 +235,28 @@ int dl_ip_send(
|
||||
}
|
||||
|
||||
buff_len = 2;
|
||||
buff_len +=
|
||||
encode_unsigned16(&data->buff[buff_len],
|
||||
(uint16_t) (pdu_len + 4 /*inclusive */ ));
|
||||
buff_len += encode_unsigned16(&data->buff[buff_len],
|
||||
(uint16_t)(pdu_len + 4 /*inclusive */));
|
||||
memcpy(&data->buff[buff_len], pdu, pdu_len);
|
||||
buff_len += pdu_len;
|
||||
|
||||
/* send the packet */
|
||||
bytes_sent =
|
||||
sendto(data->socket, (char *) data->buff, buff_len, 0,
|
||||
(struct sockaddr *) &bip_dest, sizeof(struct sockaddr));
|
||||
bytes_sent = sendto(data->socket, (char *)data->buff, buff_len, 0,
|
||||
(struct sockaddr *)&bip_dest, sizeof(struct sockaddr));
|
||||
|
||||
PRINT(DEBUG, "send to %s\n", inet_ntoa(bip_dest.sin_addr));
|
||||
|
||||
return bytes_sent;
|
||||
}
|
||||
|
||||
int dl_ip_recv(
|
||||
IP_DATA * data,
|
||||
MSG_DATA ** msg_data,
|
||||
BACNET_ADDRESS * src,
|
||||
unsigned timeout)
|
||||
int dl_ip_recv(IP_DATA *data, MSG_DATA **msg_data, BACNET_ADDRESS *src,
|
||||
unsigned timeout)
|
||||
{
|
||||
int received_bytes = 0;
|
||||
uint16_t buff_len = 0; /* return value */
|
||||
uint16_t buff_len = 0; /* return value */
|
||||
fd_set read_fds;
|
||||
struct timeval select_timeout;
|
||||
struct sockaddr_in sin = { 0 };
|
||||
struct sockaddr_in sin = {0};
|
||||
socklen_t sin_len = sizeof(sin);
|
||||
|
||||
/* make sure the socket is open */
|
||||
@@ -304,8 +285,8 @@ int dl_ip_recv(
|
||||
/* see if there is a packet for us */
|
||||
if (ret > 0)
|
||||
received_bytes =
|
||||
recvfrom(data->socket, (char *) &data->buff[0], data->max_buff, 0,
|
||||
(struct sockaddr *) &sin, &sin_len);
|
||||
recvfrom(data->socket, (char *)&data->buff[0], data->max_buff, 0,
|
||||
(struct sockaddr *)&sin, &sin_len);
|
||||
else
|
||||
return 0;
|
||||
#endif
|
||||
@@ -322,76 +303,69 @@ int dl_ip_recv(
|
||||
|
||||
switch (data->buff[1]) {
|
||||
case BVLC_ORIGINAL_UNICAST_NPDU:
|
||||
case BVLC_ORIGINAL_BROADCAST_NPDU:{
|
||||
if ((sin.sin_addr.s_addr == data->local_addr.s_addr) &&
|
||||
(sin.sin_port == data->port)) {
|
||||
case BVLC_ORIGINAL_BROADCAST_NPDU: {
|
||||
if ((sin.sin_addr.s_addr == data->local_addr.s_addr) &&
|
||||
(sin.sin_port == data->port)) {
|
||||
buff_len = 0;
|
||||
|
||||
PRINT(DEBUG, "BIP: src is me. Discarded!\n");
|
||||
|
||||
} else {
|
||||
src->mac_len = 6;
|
||||
memcpy(&src->mac[0], &sin.sin_addr.s_addr, 4);
|
||||
memcpy(&src->mac[4], &sin.sin_port, 2);
|
||||
|
||||
(void)decode_unsigned16(&data->buff[2], &buff_len);
|
||||
/* subtract off the BVLC header */
|
||||
buff_len -= 4;
|
||||
if (buff_len < data->max_buff) {
|
||||
/* allocate data message stucture */
|
||||
(*msg_data) = (MSG_DATA *)malloc(sizeof(MSG_DATA));
|
||||
(*msg_data)->pdu_len = buff_len;
|
||||
(*msg_data)->pdu = (uint8_t *)malloc((*msg_data)->pdu_len);
|
||||
/* fill up data message structure */
|
||||
memmove(&(*msg_data)->pdu[0], &data->buff[4],
|
||||
(*msg_data)->pdu_len);
|
||||
memmove(&(*msg_data)->src, src, sizeof(BACNET_ADDRESS));
|
||||
}
|
||||
/* ignore packets that are too large */
|
||||
else {
|
||||
buff_len = 0;
|
||||
|
||||
PRINT(DEBUG, "BIP: src is me. Discarded!\n");
|
||||
PRINT(ERROR, "BIP: PDU too large. Discarded!.\n");
|
||||
}
|
||||
}
|
||||
} break;
|
||||
|
||||
} else {
|
||||
src->mac_len = 6;
|
||||
memcpy(&src->mac[0], &sin.sin_addr.s_addr, 4);
|
||||
memcpy(&src->mac[4], &sin.sin_port, 2);
|
||||
case BVLC_FORWARDED_NPDU: {
|
||||
memcpy(&sin.sin_addr.s_addr, &data->buff[4], 4);
|
||||
memcpy(&sin.sin_port, &data->buff[8], 2);
|
||||
if ((sin.sin_addr.s_addr == data->local_addr.s_addr) &&
|
||||
(sin.sin_port == data->port)) {
|
||||
buff_len = 0;
|
||||
} else {
|
||||
src->mac_len = 6;
|
||||
memcpy(&src->mac[0], &sin.sin_addr.s_addr, 4);
|
||||
memcpy(&src->mac[4], &sin.sin_port, 2);
|
||||
|
||||
(void) decode_unsigned16(&data->buff[2], &buff_len);
|
||||
/* subtract off the BVLC header */
|
||||
buff_len -= 4;
|
||||
if (buff_len < data->max_buff) {
|
||||
/* allocate data message stucture */
|
||||
(*msg_data) = (MSG_DATA *) malloc(sizeof(MSG_DATA));
|
||||
(*msg_data)->pdu_len = buff_len;
|
||||
(*msg_data)->pdu =
|
||||
(uint8_t *) malloc((*msg_data)->pdu_len);
|
||||
/* fill up data message structure */
|
||||
memmove(&(*msg_data)->pdu[0], &data->buff[4],
|
||||
(void)decode_unsigned16(&data->buff[2], &buff_len);
|
||||
/* subtract off the BVLC header */
|
||||
buff_len -= 10;
|
||||
if (buff_len < data->max_buff) {
|
||||
/* allocate data message stucture */
|
||||
(*msg_data) = (MSG_DATA *)malloc(sizeof(MSG_DATA));
|
||||
(*msg_data)->pdu_len = buff_len;
|
||||
(*msg_data)->pdu = (uint8_t *)malloc((*msg_data)->pdu_len);
|
||||
/* fill up data message structure */
|
||||
memmove(&(*msg_data)->pdu[0], &data->buff[4 + 6],
|
||||
(*msg_data)->pdu_len);
|
||||
memmove(&(*msg_data)->src, src,
|
||||
sizeof(BACNET_ADDRESS));
|
||||
}
|
||||
memmove(&(*msg_data)->src, src, sizeof(BACNET_ADDRESS));
|
||||
} else {
|
||||
/* ignore packets that are too large */
|
||||
else {
|
||||
buff_len = 0;
|
||||
|
||||
PRINT(ERROR, "BIP: PDU too large. Discarded!.\n");
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case BVLC_FORWARDED_NPDU:{
|
||||
memcpy(&sin.sin_addr.s_addr, &data->buff[4], 4);
|
||||
memcpy(&sin.sin_port, &data->buff[8], 2);
|
||||
if ((sin.sin_addr.s_addr == data->local_addr.s_addr) &&
|
||||
(sin.sin_port == data->port)) {
|
||||
buff_len = 0;
|
||||
} else {
|
||||
src->mac_len = 6;
|
||||
memcpy(&src->mac[0], &sin.sin_addr.s_addr, 4);
|
||||
memcpy(&src->mac[4], &sin.sin_port, 2);
|
||||
|
||||
(void) decode_unsigned16(&data->buff[2], &buff_len);
|
||||
/* subtract off the BVLC header */
|
||||
buff_len -= 10;
|
||||
if (buff_len < data->max_buff) {
|
||||
/* allocate data message stucture */
|
||||
(*msg_data) = (MSG_DATA *) malloc(sizeof(MSG_DATA));
|
||||
(*msg_data)->pdu_len = buff_len;
|
||||
(*msg_data)->pdu =
|
||||
(uint8_t *) malloc((*msg_data)->pdu_len);
|
||||
/* fill up data message structure */
|
||||
memmove(&(*msg_data)->pdu[0], &data->buff[4 + 6],
|
||||
(*msg_data)->pdu_len);
|
||||
memmove(&(*msg_data)->src, src,
|
||||
sizeof(BACNET_ADDRESS));
|
||||
} else {
|
||||
/* ignore packets that are too large */
|
||||
buff_len = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
} break;
|
||||
default:
|
||||
|
||||
PRINT(ERROR, "BIP: BVLC discarded!\n");
|
||||
@@ -401,8 +375,7 @@ int dl_ip_recv(
|
||||
return buff_len;
|
||||
}
|
||||
|
||||
void dl_ip_cleanup(
|
||||
IP_DATA * ip_data)
|
||||
void dl_ip_cleanup(IP_DATA *ip_data)
|
||||
{
|
||||
/* free buffer */
|
||||
if (ip_data->buff)
|
||||
|
||||
+186
-232
@@ -1,47 +1,47 @@
|
||||
/**
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief BACnet/IP to MS/TP Router example application.
|
||||
* The Router connects two or more BACnet/IP and BACnet MS/TP networks.
|
||||
* Number of netwoks is limited only by available hardware communication
|
||||
* devices (or ports for Ethernet).
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief BACnet/IP to MS/TP Router example application.
|
||||
* The Router connects two or more BACnet/IP and BACnet MS/TP networks.
|
||||
* Number of netwoks is limited only by available hardware communication
|
||||
* devices (or ports for Ethernet).
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <time.h> /* for time */
|
||||
#include <time.h> /* for time */
|
||||
#include <errno.h>
|
||||
#include <assert.h>
|
||||
#include <fcntl.h>
|
||||
#include <libconfig.h> /* read config files */
|
||||
#include <unistd.h> /* for getopt */
|
||||
#include <termios.h> /* used in kbhit() */
|
||||
#include <libconfig.h> /* read config files */
|
||||
#include <unistd.h> /* for getopt */
|
||||
#include <termios.h> /* used in kbhit() */
|
||||
#include <getopt.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <net/if.h>
|
||||
@@ -55,49 +55,33 @@
|
||||
|
||||
#define KEY_ESC 27
|
||||
|
||||
ROUTER_PORT *head = NULL; /* pointer to list of router ports */
|
||||
ROUTER_PORT *head = NULL; /* pointer to list of router ports */
|
||||
|
||||
int port_count;
|
||||
|
||||
void print_help(
|
||||
);
|
||||
void print_help();
|
||||
|
||||
bool read_config(
|
||||
char *filepath);
|
||||
bool read_config(char *filepath);
|
||||
|
||||
bool parse_cmd(
|
||||
int argc,
|
||||
char *argv[]);
|
||||
bool parse_cmd(int argc, char *argv[]);
|
||||
|
||||
void init_port_threads(
|
||||
ROUTER_PORT * port_list);
|
||||
void init_port_threads(ROUTER_PORT *port_list);
|
||||
|
||||
bool init_router(
|
||||
);
|
||||
bool init_router();
|
||||
|
||||
void cleanup(
|
||||
);
|
||||
void cleanup();
|
||||
|
||||
void print_msg(
|
||||
BACMSG * msg);
|
||||
void print_msg(BACMSG *msg);
|
||||
|
||||
uint16_t process_msg(
|
||||
BACMSG * msg,
|
||||
MSG_DATA * data,
|
||||
uint8_t ** buff);
|
||||
uint16_t process_msg(BACMSG *msg, MSG_DATA *data, uint8_t **buff);
|
||||
|
||||
uint16_t get_next_free_dnet(
|
||||
);
|
||||
uint16_t get_next_free_dnet();
|
||||
|
||||
int kbhit(
|
||||
);
|
||||
int kbhit();
|
||||
|
||||
inline bool is_network_msg(
|
||||
BACMSG * msg);
|
||||
inline bool is_network_msg(BACMSG *msg);
|
||||
|
||||
int main(
|
||||
int argc,
|
||||
char *argv[])
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
printf("I am router\n");
|
||||
|
||||
@@ -119,9 +103,8 @@ int main(
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
send_network_message(NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK, msg_data,
|
||||
&buff, NULL);
|
||||
&buff, NULL);
|
||||
|
||||
while (true) {
|
||||
if (kbhit()) {
|
||||
@@ -135,83 +118,78 @@ int main(
|
||||
bacmsg = recv_from_msgbox(head->main_id, &msg_storage);
|
||||
if (bacmsg) {
|
||||
switch (bacmsg->type) {
|
||||
case DATA:
|
||||
{
|
||||
MSGBOX_ID msg_src = bacmsg->origin;
|
||||
case DATA: {
|
||||
MSGBOX_ID msg_src = bacmsg->origin;
|
||||
|
||||
/* allocate message structure */
|
||||
msg_data = malloc(sizeof(MSG_DATA));
|
||||
if (!msg_data) {
|
||||
PRINT(ERROR, "Error: Could not allocate memory\n");
|
||||
/* allocate message structure */
|
||||
msg_data = malloc(sizeof(MSG_DATA));
|
||||
if (!msg_data) {
|
||||
PRINT(ERROR, "Error: Could not allocate memory\n");
|
||||
break;
|
||||
}
|
||||
|
||||
print_msg(bacmsg);
|
||||
|
||||
if (is_network_msg(bacmsg)) {
|
||||
buff_len =
|
||||
process_network_message(bacmsg, msg_data, &buff);
|
||||
if (buff_len == 0) {
|
||||
free_data(bacmsg->data);
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
buff_len = process_msg(bacmsg, msg_data, &buff);
|
||||
}
|
||||
|
||||
/* if buff_len */
|
||||
/* >0 - form new message and send */
|
||||
/* =-1 - try to find next router */
|
||||
/* other value - discard message */
|
||||
|
||||
if (buff_len > 0) {
|
||||
/* form new message */
|
||||
msg_data->pdu = buff;
|
||||
msg_data->pdu_len = buff_len;
|
||||
msg_storage.origin = head->main_id;
|
||||
msg_storage.type = DATA;
|
||||
msg_storage.data = msg_data;
|
||||
|
||||
print_msg(bacmsg);
|
||||
|
||||
if (is_network_msg(bacmsg)) {
|
||||
buff_len =
|
||||
process_network_message(bacmsg, msg_data,
|
||||
&buff);
|
||||
if (buff_len == 0) {
|
||||
free_data(bacmsg->data);
|
||||
break;
|
||||
}
|
||||
msg_data->ref_count = 1;
|
||||
send_to_msgbox(msg_src, &msg_storage);
|
||||
} else if (msg_data->dest.net !=
|
||||
BACNET_BROADCAST_NETWORK) {
|
||||
msg_data->ref_count = 1;
|
||||
port =
|
||||
find_dnet(msg_data->dest.net, &msg_data->dest);
|
||||
send_to_msgbox(port->port_id, &msg_storage);
|
||||
} else {
|
||||
buff_len = process_msg(bacmsg, msg_data, &buff);
|
||||
}
|
||||
|
||||
/* if buff_len */
|
||||
/* >0 - form new message and send */
|
||||
/* =-1 - try to find next router */
|
||||
/* other value - discard message */
|
||||
|
||||
if (buff_len > 0) {
|
||||
/* form new message */
|
||||
msg_data->pdu = buff;
|
||||
msg_data->pdu_len = buff_len;
|
||||
msg_storage.origin = head->main_id;
|
||||
msg_storage.type = DATA;
|
||||
msg_storage.data = msg_data;
|
||||
|
||||
print_msg(bacmsg);
|
||||
|
||||
if (is_network_msg(bacmsg)) {
|
||||
msg_data->ref_count = 1;
|
||||
send_to_msgbox(msg_src, &msg_storage);
|
||||
} else if (msg_data->dest.net !=
|
||||
BACNET_BROADCAST_NETWORK) {
|
||||
msg_data->ref_count = 1;
|
||||
port =
|
||||
find_dnet(msg_data->dest.net,
|
||||
&msg_data->dest);
|
||||
send_to_msgbox(port->port_id, &msg_storage);
|
||||
} else {
|
||||
port = head;
|
||||
msg_data->ref_count = port_count - 1;
|
||||
while (port != NULL) {
|
||||
if (port->port_id == msg_src ||
|
||||
port->state == FINISHED) {
|
||||
port = port->next;
|
||||
continue;
|
||||
}
|
||||
send_to_msgbox(port->port_id,
|
||||
&msg_storage);
|
||||
port = head;
|
||||
msg_data->ref_count = port_count - 1;
|
||||
while (port != NULL) {
|
||||
if (port->port_id == msg_src ||
|
||||
port->state == FINISHED) {
|
||||
port = port->next;
|
||||
continue;
|
||||
}
|
||||
send_to_msgbox(port->port_id, &msg_storage);
|
||||
port = port->next;
|
||||
}
|
||||
} else if (buff_len == -1) {
|
||||
uint16_t net = msg_data->dest.net; /* NET to find */
|
||||
PRINT(INFO, "Searching NET...\n");
|
||||
send_network_message
|
||||
(NETWORK_MESSAGE_WHO_IS_ROUTER_TO_NETWORK,
|
||||
msg_data, &buff, &net);
|
||||
} else {
|
||||
/* if invalid message send Reject-Message-To-Network */
|
||||
PRINT(ERROR, "Error: Invalid message\n");
|
||||
free_data(msg_data);
|
||||
}
|
||||
} else if (buff_len == -1) {
|
||||
uint16_t net = msg_data->dest.net; /* NET to find */
|
||||
PRINT(INFO, "Searching NET...\n");
|
||||
send_network_message(
|
||||
NETWORK_MESSAGE_WHO_IS_ROUTER_TO_NETWORK, msg_data,
|
||||
&buff, &net);
|
||||
} else {
|
||||
/* if invalid message send Reject-Message-To-Network */
|
||||
PRINT(ERROR, "Error: Invalid message\n");
|
||||
free_data(msg_data);
|
||||
}
|
||||
break;
|
||||
} break;
|
||||
case SERVICE:
|
||||
default:
|
||||
break;
|
||||
@@ -220,27 +198,29 @@ int main(
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
void print_help(
|
||||
)
|
||||
void print_help()
|
||||
{
|
||||
printf("Usage: router <init_method> [init_parameters]\n" "\ninit_method:\n"
|
||||
"-c, --config <filepath>\n\tinitialize router with a configuration file (.cfg) located at <filepath>\n"
|
||||
"-D, --device <dev_type> <iface> [params]\n\tinitialize a <dev_type> device using an <iface> interface specified with\n\t[params]\n"
|
||||
printf(
|
||||
"Usage: router <init_method> [init_parameters]\n"
|
||||
"\ninit_method:\n"
|
||||
"-c, --config <filepath>\n\tinitialize router with a configuration "
|
||||
"file (.cfg) located at <filepath>\n"
|
||||
"-D, --device <dev_type> <iface> [params]\n\tinitialize a <dev_type> "
|
||||
"device using an <iface> interface specified with\n\t[params]\n"
|
||||
"\ninit_parameters:\n"
|
||||
"-n, --network <net>\n\tspecify device network number\n"
|
||||
"-P, --port <port>\n\tspecify udp port for BIP device\n"
|
||||
"-m, --mac <mac_address> [max_master] [max_frames]\n\tspecify MSTP port parameters\n"
|
||||
"-m, --mac <mac_address> [max_master] [max_frames]\n\tspecify MSTP "
|
||||
"port parameters\n"
|
||||
"-b, --baud <baud>\n\tspecify MSTP port baud rate\n"
|
||||
"-p, --parity <None|Even|Odd>\n\tspecify MSTP port parity\n"
|
||||
"-d, --databits <5|6|7|8>\n\tspecify MSTP port databits\n"
|
||||
"-s, --stopbits <1|2>\n\tspecify MSTP port stopbits\n");
|
||||
}
|
||||
|
||||
bool read_config(
|
||||
char *filepath)
|
||||
bool read_config(char *filepath)
|
||||
{
|
||||
config_t cfg;
|
||||
config_setting_t *setting;
|
||||
@@ -252,7 +232,7 @@ bool read_config(
|
||||
/* open configuration file */
|
||||
if (!config_read_file(&cfg, filepath)) {
|
||||
PRINT(ERROR, "Config file error: %d - %s\n", config_error_line(&cfg),
|
||||
config_error_text(&cfg));
|
||||
config_error_text(&cfg));
|
||||
config_destroy(&cfg);
|
||||
return false;
|
||||
}
|
||||
@@ -273,13 +253,13 @@ bool read_config(
|
||||
|
||||
/* create new list node to store port information */
|
||||
if (head == NULL) {
|
||||
head = (ROUTER_PORT *) malloc(sizeof(ROUTER_PORT));
|
||||
head = (ROUTER_PORT *)malloc(sizeof(ROUTER_PORT));
|
||||
head->next = NULL;
|
||||
current = head;
|
||||
} else {
|
||||
ROUTER_PORT *tmp = current;
|
||||
current = current->next;
|
||||
current = (ROUTER_PORT *) malloc(sizeof(ROUTER_PORT));
|
||||
current = (ROUTER_PORT *)malloc(sizeof(ROUTER_PORT));
|
||||
current->next = NULL;
|
||||
tmp->next = current;
|
||||
}
|
||||
@@ -293,7 +273,7 @@ bool read_config(
|
||||
result = config_setting_lookup_string(port, "device", &iface);
|
||||
if (result) {
|
||||
current->iface =
|
||||
(char *) malloc((strlen(iface) + 1) * sizeof(char));
|
||||
(char *)malloc((strlen(iface) + 1) * sizeof(char));
|
||||
strcpy(current->iface, iface);
|
||||
|
||||
/* check if interface is valid */
|
||||
@@ -301,13 +281,13 @@ bool read_config(
|
||||
if (fd) {
|
||||
struct ifreq ifr;
|
||||
strncpy(ifr.ifr_name, current->iface,
|
||||
sizeof(ifr.ifr_name) - 1);
|
||||
sizeof(ifr.ifr_name) - 1);
|
||||
result = ioctl(fd, SIOCGIFADDR, &ifr);
|
||||
if (result != -1) {
|
||||
close(fd);
|
||||
} else {
|
||||
PRINT(ERROR,
|
||||
"Error: Invalid interface for BIP device\n");
|
||||
"Error: Invalid interface for BIP device\n");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@@ -315,15 +295,14 @@ bool read_config(
|
||||
current->iface = "eth0";
|
||||
}
|
||||
|
||||
result =
|
||||
config_setting_lookup_int(port, "port", (int *) ¶m);
|
||||
result = config_setting_lookup_int(port, "port", (int *)¶m);
|
||||
if (result) {
|
||||
current->params.bip_params.port = param;
|
||||
} else {
|
||||
current->params.bip_params.port = 0xBAC0;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "network", (int *) ¶m);
|
||||
config_setting_lookup_int(port, "network", (int *)¶m);
|
||||
if (result) {
|
||||
current->route_info.net = param;
|
||||
} else {
|
||||
@@ -336,7 +315,7 @@ bool read_config(
|
||||
result = config_setting_lookup_string(port, "device", &iface);
|
||||
if (result) {
|
||||
current->iface =
|
||||
(char *) malloc((strlen(iface) + 1) * sizeof(char));
|
||||
(char *)malloc((strlen(iface) + 1) * sizeof(char));
|
||||
strcpy(current->iface, iface);
|
||||
|
||||
/* check if interface is valid */
|
||||
@@ -345,14 +324,13 @@ bool read_config(
|
||||
close(fd);
|
||||
} else {
|
||||
PRINT(ERROR,
|
||||
"Error: Invalid interface for MSTP device\n");
|
||||
"Error: Invalid interface for MSTP device\n");
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
current->iface = "/dev/ttyS0";
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "mac", (int *) ¶m);
|
||||
result = config_setting_lookup_int(port, "mac", (int *)¶m);
|
||||
if (result) {
|
||||
current->route_info.mac[0] = param;
|
||||
current->route_info.mac_len = 1;
|
||||
@@ -360,24 +338,21 @@ bool read_config(
|
||||
current->route_info.mac[0] = 127;
|
||||
current->route_info.mac_len = 1;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "max_master",
|
||||
(int *) ¶m);
|
||||
result = config_setting_lookup_int(port, "max_master",
|
||||
(int *)¶m);
|
||||
if (result) {
|
||||
current->params.mstp_params.max_master = param;
|
||||
} else {
|
||||
current->params.mstp_params.max_master = 127;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "max_frames",
|
||||
(int *) ¶m);
|
||||
result = config_setting_lookup_int(port, "max_frames",
|
||||
(int *)¶m);
|
||||
if (result) {
|
||||
current->params.mstp_params.max_frames = param;
|
||||
} else {
|
||||
current->params.mstp_params.max_frames = 1;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "baud", (int *) ¶m);
|
||||
result = config_setting_lookup_int(port, "baud", (int *)¶m);
|
||||
if (result) {
|
||||
current->params.mstp_params.baudrate = param;
|
||||
} else {
|
||||
@@ -401,23 +376,21 @@ bool read_config(
|
||||
current->params.mstp_params.parity = PARITY_NONE;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "databits",
|
||||
(int *) ¶m);
|
||||
config_setting_lookup_int(port, "databits", (int *)¶m);
|
||||
if (result && param >= 5 && param <= 8) {
|
||||
current->params.mstp_params.databits = param;
|
||||
} else {
|
||||
current->params.mstp_params.databits = 8;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "stopbits",
|
||||
(int *) ¶m);
|
||||
config_setting_lookup_int(port, "stopbits", (int *)¶m);
|
||||
if (result && param >= 1 && param <= 2) {
|
||||
current->params.mstp_params.stopbits = param;
|
||||
} else {
|
||||
current->params.mstp_params.stopbits = 1;
|
||||
}
|
||||
result =
|
||||
config_setting_lookup_int(port, "network", (int *) ¶m);
|
||||
config_setting_lookup_int(port, "network", (int *)¶m);
|
||||
if (result) {
|
||||
current->route_info.net = param;
|
||||
} else {
|
||||
@@ -439,9 +412,7 @@ bool read_config(
|
||||
return true;
|
||||
}
|
||||
|
||||
bool parse_cmd(
|
||||
int argc,
|
||||
char *argv[])
|
||||
bool parse_cmd(int argc, char *argv[])
|
||||
{
|
||||
const char *optString = "hc:D:";
|
||||
const char *bipString = "p:n:D:";
|
||||
@@ -463,11 +434,10 @@ bool parse_cmd(
|
||||
int opt, dev_opt, index, result, fd;
|
||||
ROUTER_PORT *current = head;
|
||||
|
||||
if (argc < 2)
|
||||
{
|
||||
if (argc < 2) {
|
||||
print_help();
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/* begin checking cmd parameters */
|
||||
opt = getopt_long(argc, argv, optString, Options, &index);
|
||||
@@ -485,13 +455,13 @@ bool parse_cmd(
|
||||
|
||||
/* create new list node to store port information */
|
||||
if (head == NULL) {
|
||||
head = (ROUTER_PORT *) malloc(sizeof(ROUTER_PORT));
|
||||
head = (ROUTER_PORT *)malloc(sizeof(ROUTER_PORT));
|
||||
head->next = NULL;
|
||||
current = head;
|
||||
} else {
|
||||
ROUTER_PORT *tmp = current;
|
||||
current = current->next;
|
||||
current = (ROUTER_PORT *) malloc(sizeof(ROUTER_PORT));
|
||||
current = (ROUTER_PORT *)malloc(sizeof(ROUTER_PORT));
|
||||
current->next = NULL;
|
||||
tmp->next = current;
|
||||
}
|
||||
@@ -507,7 +477,7 @@ bool parse_cmd(
|
||||
}
|
||||
|
||||
/* setup default parameters */
|
||||
current->params.bip_params.port = 0xBAC0; /* 47808 */
|
||||
current->params.bip_params.port = 0xBAC0; /* 47808 */
|
||||
current->route_info.net = get_next_free_dnet();
|
||||
|
||||
/* check if interface is valid */
|
||||
@@ -515,13 +485,13 @@ bool parse_cmd(
|
||||
if (fd) {
|
||||
struct ifreq ifr;
|
||||
strncpy(ifr.ifr_name, current->iface,
|
||||
sizeof(ifr.ifr_name) - 1);
|
||||
sizeof(ifr.ifr_name) - 1);
|
||||
result = ioctl(fd, SIOCGIFADDR, &ifr);
|
||||
if (result != -1) {
|
||||
close(fd);
|
||||
} else {
|
||||
PRINT(ERROR,
|
||||
"Error: Invalid interface for BIP device \n");
|
||||
"Error: Invalid interface for BIP device \n");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@@ -534,24 +504,23 @@ bool parse_cmd(
|
||||
result = atoi(optarg);
|
||||
if (result) {
|
||||
current->params.bip_params.port =
|
||||
(uint16_t) result;
|
||||
(uint16_t)result;
|
||||
} else {
|
||||
current->params.bip_params.port = 0xBAC0; /* 47808 */
|
||||
current->params.bip_params.port =
|
||||
0xBAC0; /* 47808 */
|
||||
}
|
||||
break;
|
||||
case 'n':
|
||||
result = atoi(optarg);
|
||||
if (result) {
|
||||
current->route_info.net =
|
||||
(uint16_t) result;
|
||||
current->route_info.net = (uint16_t)result;
|
||||
} else {
|
||||
current->route_info.net = port_count;
|
||||
}
|
||||
break;
|
||||
}
|
||||
dev_opt =
|
||||
getopt_long(argc, argv, bipString, Options,
|
||||
&index);
|
||||
getopt_long(argc, argv, bipString, Options, &index);
|
||||
}
|
||||
opt = dev_opt;
|
||||
} else if (strcmp(optarg, "mstp") == 0) {
|
||||
@@ -569,7 +538,7 @@ bool parse_cmd(
|
||||
close(fd);
|
||||
} else {
|
||||
PRINT(ERROR,
|
||||
"Error: Invalid interface for MSTP device\n");
|
||||
"Error: Invalid interface for MSTP device\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
@@ -592,22 +561,19 @@ bool parse_cmd(
|
||||
result = atoi(optarg);
|
||||
if (result) {
|
||||
current->route_info.mac[0] =
|
||||
(uint8_t) result;
|
||||
(uint8_t)result;
|
||||
}
|
||||
if (argv[optind][0] != '-') {
|
||||
current->params.mstp_params.max_master =
|
||||
(uint8_t) atoi(argv[optind]);
|
||||
if (current->params.mstp_params.
|
||||
max_master <
|
||||
(uint8_t)atoi(argv[optind]);
|
||||
if (current->params.mstp_params.max_master <
|
||||
current->route_info.mac[0])
|
||||
current->params.mstp_params.
|
||||
max_master =
|
||||
current->params.mstp_params.max_master =
|
||||
current->route_info.mac[0];
|
||||
|
||||
if (argv[optind + 1][0] != '-') {
|
||||
current->params.mstp_params.
|
||||
max_frames =
|
||||
(uint8_t) atoi(argv[optind + 1]);
|
||||
current->params.mstp_params.max_frames =
|
||||
(uint8_t)atoi(argv[optind + 1]);
|
||||
}
|
||||
}
|
||||
break;
|
||||
@@ -615,7 +581,7 @@ bool parse_cmd(
|
||||
result = atoi(optarg);
|
||||
if (result) {
|
||||
current->params.mstp_params.baudrate =
|
||||
(uint32_t) result;
|
||||
(uint32_t)result;
|
||||
}
|
||||
break;
|
||||
case 'p':
|
||||
@@ -638,27 +604,25 @@ bool parse_cmd(
|
||||
result = atoi(optarg);
|
||||
if (result >= 5 && result <= 8) {
|
||||
current->params.mstp_params.databits =
|
||||
(uint8_t) result;
|
||||
(uint8_t)result;
|
||||
}
|
||||
break;
|
||||
case 's':
|
||||
result = atoi(optarg);
|
||||
if (result >= 1 && result <= 2) {
|
||||
current->params.mstp_params.stopbits =
|
||||
(uint8_t) result;
|
||||
(uint8_t)result;
|
||||
}
|
||||
break;
|
||||
case 'n':
|
||||
result = atoi(optarg);
|
||||
if (result) {
|
||||
current->route_info.net =
|
||||
(uint16_t) result;
|
||||
current->route_info.net = (uint16_t)result;
|
||||
}
|
||||
break;
|
||||
}
|
||||
dev_opt =
|
||||
getopt_long(argc, argv, mstpString, Options,
|
||||
&index);
|
||||
dev_opt = getopt_long(argc, argv, mstpString, Options,
|
||||
&index);
|
||||
}
|
||||
opt = dev_opt;
|
||||
} else {
|
||||
@@ -671,8 +635,7 @@ bool parse_cmd(
|
||||
return true;
|
||||
}
|
||||
|
||||
void init_port_threads(
|
||||
ROUTER_PORT * port_list)
|
||||
void init_port_threads(ROUTER_PORT *port_list)
|
||||
{
|
||||
ROUTER_PORT *port = port_list;
|
||||
pthread_t *thread;
|
||||
@@ -688,17 +651,16 @@ void init_port_threads(
|
||||
}
|
||||
|
||||
port->state = INIT;
|
||||
thread = (pthread_t *) malloc(sizeof(pthread_t));
|
||||
thread = (pthread_t *)malloc(sizeof(pthread_t));
|
||||
pthread_create(thread, NULL, port->func, port);
|
||||
|
||||
pthread_detach(*thread); /* for proper thread termination */
|
||||
pthread_detach(*thread); /* for proper thread termination */
|
||||
|
||||
port = port->next;
|
||||
}
|
||||
}
|
||||
|
||||
bool init_router(
|
||||
)
|
||||
bool init_router()
|
||||
{
|
||||
MSGBOX_ID msgboxid;
|
||||
ROUTER_PORT *port;
|
||||
@@ -735,8 +697,7 @@ bool init_router(
|
||||
return true;
|
||||
}
|
||||
|
||||
void cleanup(
|
||||
)
|
||||
void cleanup()
|
||||
{
|
||||
ROUTER_PORT *port;
|
||||
BACMSG msg;
|
||||
@@ -748,7 +709,7 @@ void cleanup(
|
||||
msg.type = SERVICE;
|
||||
msg.subtype = SHUTDOWN;
|
||||
|
||||
del_msgbox(head->main_id); /* close routers message box */
|
||||
del_msgbox(head->main_id); /* close routers message box */
|
||||
|
||||
/* send shutdown message to all router ports */
|
||||
port = head;
|
||||
@@ -772,12 +733,11 @@ void cleanup(
|
||||
pthread_mutex_destroy(&msg_lock);
|
||||
}
|
||||
|
||||
void print_msg(
|
||||
BACMSG * msg)
|
||||
void print_msg(BACMSG *msg)
|
||||
{
|
||||
if (msg->type == DATA) {
|
||||
int i;
|
||||
MSG_DATA *data = (MSG_DATA *) msg->data;
|
||||
MSG_DATA *data = (MSG_DATA *)msg->data;
|
||||
|
||||
if (data->pdu_len) {
|
||||
PRINT(DEBUG, "Message PDU: ");
|
||||
@@ -788,12 +748,8 @@ void print_msg(
|
||||
}
|
||||
}
|
||||
|
||||
uint16_t process_msg(
|
||||
BACMSG * msg,
|
||||
MSG_DATA * data,
|
||||
uint8_t ** buff)
|
||||
uint16_t process_msg(BACMSG *msg, MSG_DATA *data, uint8_t **buff)
|
||||
{
|
||||
|
||||
BACNET_ADDRESS addr;
|
||||
BACNET_NPDU_DATA npdu_data;
|
||||
ROUTER_PORT *srcport;
|
||||
@@ -816,12 +772,14 @@ uint16_t process_msg(
|
||||
if (srcport && destport) {
|
||||
data->src.net = srcport->route_info.net;
|
||||
|
||||
/* if received from another router save real source address (not other router source address) */
|
||||
/* if received from another router save real source address (not other
|
||||
* router source address) */
|
||||
if (addr.net > 0 && addr.net < BACNET_BROADCAST_NETWORK &&
|
||||
data->src.net != addr.net)
|
||||
memmove(&data->src, &addr, sizeof(BACNET_ADDRESS));
|
||||
|
||||
/* encode both source and destination for broadcast and router-to-router communication */
|
||||
/* encode both source and destination for broadcast and router-to-router
|
||||
* communication */
|
||||
if (data->dest.net == BACNET_BROADCAST_NETWORK ||
|
||||
destport->route_info.net != data->dest.net) {
|
||||
npdu_len =
|
||||
@@ -832,9 +790,10 @@ uint16_t process_msg(
|
||||
|
||||
buff_len = npdu_len + data->pdu_len - apdu_offset;
|
||||
|
||||
*buff = (uint8_t *) malloc(buff_len);
|
||||
*buff = (uint8_t *)malloc(buff_len);
|
||||
memmove(*buff, npdu, npdu_len); /* copy newly formed NPDU */
|
||||
memmove(*buff + npdu_len, &data->pdu[apdu_offset], apdu_len); /* copy APDU */
|
||||
memmove(*buff + npdu_len, &data->pdu[apdu_offset],
|
||||
apdu_len); /* copy APDU */
|
||||
|
||||
} else {
|
||||
/* request net search */
|
||||
@@ -842,13 +801,12 @@ uint16_t process_msg(
|
||||
}
|
||||
|
||||
/* delete received message */
|
||||
free_data((MSG_DATA *) msg->data);
|
||||
free_data((MSG_DATA *)msg->data);
|
||||
|
||||
return buff_len;
|
||||
}
|
||||
|
||||
int kbhit(
|
||||
)
|
||||
int kbhit()
|
||||
{
|
||||
static const int STDIN = 0;
|
||||
static bool initialized = false;
|
||||
@@ -868,22 +826,18 @@ int kbhit(
|
||||
return bytesWaiting;
|
||||
}
|
||||
|
||||
bool is_network_msg(
|
||||
BACMSG * msg)
|
||||
bool is_network_msg(BACMSG *msg)
|
||||
{
|
||||
|
||||
uint8_t control_byte; /* NPDU control byte */
|
||||
MSG_DATA *data = (MSG_DATA *) msg->data;
|
||||
uint8_t control_byte; /* NPDU control byte */
|
||||
MSG_DATA *data = (MSG_DATA *)msg->data;
|
||||
|
||||
control_byte = data->pdu[1];
|
||||
|
||||
return control_byte & 0x80; /* check 7th bit */
|
||||
}
|
||||
|
||||
uint16_t get_next_free_dnet(
|
||||
)
|
||||
uint16_t get_next_free_dnet()
|
||||
{
|
||||
|
||||
ROUTER_PORT *port = head;
|
||||
uint16_t i = 1;
|
||||
while (port) {
|
||||
|
||||
+36
-48
@@ -1,31 +1,31 @@
|
||||
/**
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Message queue module
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Message queue module
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
@@ -35,8 +35,7 @@
|
||||
|
||||
pthread_mutex_t msg_lock = PTHREAD_MUTEX_INITIALIZER;
|
||||
|
||||
MSGBOX_ID create_msgbox(
|
||||
)
|
||||
MSGBOX_ID create_msgbox()
|
||||
{
|
||||
MSGBOX_ID msgboxid;
|
||||
|
||||
@@ -48,28 +47,23 @@ MSGBOX_ID create_msgbox(
|
||||
return msgboxid;
|
||||
}
|
||||
|
||||
bool send_to_msgbox(
|
||||
MSGBOX_ID dest,
|
||||
BACMSG * msg)
|
||||
bool send_to_msgbox(MSGBOX_ID dest, BACMSG *msg)
|
||||
{
|
||||
|
||||
int err;
|
||||
|
||||
err = msgsnd(dest, msg, sizeof(BACMSG)-sizeof(MSGTYPE), 0);
|
||||
err = msgsnd(dest, msg, sizeof(BACMSG) - sizeof(MSGTYPE), 0);
|
||||
if (err) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
BACMSG *recv_from_msgbox(
|
||||
MSGBOX_ID src,
|
||||
BACMSG * msg)
|
||||
BACMSG *recv_from_msgbox(MSGBOX_ID src, BACMSG *msg)
|
||||
{
|
||||
|
||||
int recv_bytes;
|
||||
|
||||
recv_bytes = msgrcv(src, msg, sizeof(BACMSG)-sizeof(MSGTYPE), 0, IPC_NOWAIT);
|
||||
recv_bytes =
|
||||
msgrcv(src, msg, sizeof(BACMSG) - sizeof(MSGTYPE), 0, IPC_NOWAIT);
|
||||
if (recv_bytes > 0) {
|
||||
return msg;
|
||||
} else {
|
||||
@@ -77,20 +71,16 @@ BACMSG *recv_from_msgbox(
|
||||
}
|
||||
}
|
||||
|
||||
void del_msgbox(
|
||||
MSGBOX_ID msgboxid)
|
||||
void del_msgbox(MSGBOX_ID msgboxid)
|
||||
{
|
||||
|
||||
if (msgboxid == INVALID_MSGBOX_ID)
|
||||
return;
|
||||
else
|
||||
msgctl(msgboxid, IPC_RMID, NULL);
|
||||
}
|
||||
|
||||
void free_data(
|
||||
MSG_DATA * data)
|
||||
void free_data(MSG_DATA *data)
|
||||
{
|
||||
|
||||
if (data->pdu) {
|
||||
free(data->pdu);
|
||||
data->pdu = NULL;
|
||||
@@ -101,10 +91,8 @@ void free_data(
|
||||
}
|
||||
}
|
||||
|
||||
void check_data(
|
||||
MSG_DATA * data)
|
||||
void check_data(MSG_DATA *data)
|
||||
{
|
||||
|
||||
/* lock and decrement messages reference count */
|
||||
pthread_mutex_lock(&msg_lock);
|
||||
if (--data->ref_count == 0) {
|
||||
|
||||
+45
-49
@@ -1,31 +1,31 @@
|
||||
/**
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Datalink for MS/TP module
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Datalink for MS/TP module
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
@@ -36,18 +36,16 @@
|
||||
|
||||
#define MSTP_THREAD_PRINT_ENABLED
|
||||
#ifdef MSTP_THREAD_PRINT_ENABLED
|
||||
#define mstp_thread_debug(...) fprintf(stderr, __VA_ARGS__)
|
||||
#define mstp_thread_debug(...) fprintf(stderr, __VA_ARGS__)
|
||||
#else
|
||||
#define mstp_thread_debug(...)
|
||||
#define mstp_thread_debug(...)
|
||||
#endif
|
||||
|
||||
void *dl_mstp_thread(
|
||||
void *pArgs)
|
||||
void *dl_mstp_thread(void *pArgs)
|
||||
{
|
||||
|
||||
ROUTER_PORT *port = (ROUTER_PORT *) pArgs;
|
||||
struct mstp_port_struct_t mstp_port = { (MSTP_RECEIVE_STATE) 0 };
|
||||
volatile SHARED_MSTP_DATA shared_port_data = { 0 };
|
||||
ROUTER_PORT *port = (ROUTER_PORT *)pArgs;
|
||||
struct mstp_port_struct_t mstp_port = {(MSTP_RECEIVE_STATE)0};
|
||||
volatile SHARED_MSTP_DATA shared_port_data = {0};
|
||||
uint16_t pdu_len;
|
||||
uint8_t shutdown = 0;
|
||||
|
||||
@@ -87,11 +85,10 @@ void *dl_mstp_thread(
|
||||
if (port->params.mstp_params.stopbits == 2)
|
||||
shared_port_data.RS485MOD |= CSTOPB;
|
||||
|
||||
mstp_port.UserData = (void *) &shared_port_data;
|
||||
mstp_port.UserData = (void *)&shared_port_data;
|
||||
dlmstp_set_baud_rate(&mstp_port, port->params.mstp_params.baudrate);
|
||||
dlmstp_set_mac_address(&mstp_port, port->route_info.mac[0]);
|
||||
dlmstp_set_max_info_frames(&mstp_port,
|
||||
port->params.mstp_params.max_frames);
|
||||
dlmstp_set_max_info_frames(&mstp_port, port->params.mstp_params.max_frames);
|
||||
dlmstp_set_max_master(&mstp_port, port->params.mstp_params.max_master);
|
||||
if (!dlmstp_init(&mstp_port, port->iface))
|
||||
printf("MSTP %s init failed. Stop.\n", port->iface);
|
||||
@@ -114,7 +111,7 @@ void *dl_mstp_thread(
|
||||
if (bacmsg) {
|
||||
switch (bacmsg->type) {
|
||||
case DATA:
|
||||
msg_data = (MSG_DATA *) bacmsg->data;
|
||||
msg_data = (MSG_DATA *)bacmsg->data;
|
||||
|
||||
if (msg_data->dest.net == BACNET_BROADCAST_NETWORK) {
|
||||
dlmstp_get_broadcast_address(&(msg_data->dest));
|
||||
@@ -124,11 +121,10 @@ void *dl_mstp_thread(
|
||||
}
|
||||
|
||||
dlmstp_send_pdu(&mstp_port, &(msg_data->dest),
|
||||
msg_data->pdu, msg_data->pdu_len);
|
||||
msg_data->pdu, msg_data->pdu_len);
|
||||
|
||||
check_data(msg_data);
|
||||
|
||||
|
||||
break;
|
||||
case SERVICE:
|
||||
switch (bacmsg->subtype) {
|
||||
@@ -147,20 +143,21 @@ void *dl_mstp_thread(
|
||||
pdu_len = dlmstp_receive(&mstp_port, NULL, NULL, 0, 5);
|
||||
|
||||
if (pdu_len > 0) {
|
||||
msg_data = (MSG_DATA *) malloc(sizeof(MSG_DATA));
|
||||
memmove(&(msg_data->src),
|
||||
(const void *) &(shared_port_data.Receive_Packet.address),
|
||||
msg_data = (MSG_DATA *)malloc(sizeof(MSG_DATA));
|
||||
memmove(
|
||||
&(msg_data->src),
|
||||
(const void *)&(shared_port_data.Receive_Packet.address),
|
||||
sizeof(shared_port_data.Receive_Packet.address));
|
||||
msg_data->src.adr[0] = msg_data->src.mac[0];
|
||||
msg_data->src.len = 1;
|
||||
msg_data->pdu = (uint8_t *) malloc(pdu_len);
|
||||
msg_data->pdu = (uint8_t *)malloc(pdu_len);
|
||||
memmove(msg_data->pdu,
|
||||
(const void *) &(shared_port_data.Receive_Packet.pdu),
|
||||
pdu_len);
|
||||
(const void *)&(shared_port_data.Receive_Packet.pdu),
|
||||
pdu_len);
|
||||
msg_data->pdu_len = pdu_len;
|
||||
|
||||
msg_storage.type = DATA;
|
||||
msg_storage.subtype = (MSGSUBTYPE) 0;
|
||||
msg_storage.subtype = (MSGSUBTYPE)0;
|
||||
msg_storage.origin = port->port_id;
|
||||
msg_storage.data = msg_data;
|
||||
|
||||
@@ -175,5 +172,4 @@ void *dl_mstp_thread(
|
||||
port->state = FINISHED;
|
||||
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
||||
+111
-128
@@ -1,43 +1,39 @@
|
||||
/**
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Network layer for BACnet routing
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Network layer for BACnet routing
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "network_layer.h"
|
||||
#include "bacint.h"
|
||||
|
||||
uint16_t process_network_message(
|
||||
BACMSG * msg,
|
||||
MSG_DATA * data,
|
||||
uint8_t ** buff)
|
||||
uint16_t process_network_message(BACMSG *msg, MSG_DATA *data, uint8_t **buff)
|
||||
{
|
||||
|
||||
BACNET_NPDU_DATA npdu_data;
|
||||
ROUTER_PORT *srcport;
|
||||
ROUTER_PORT *destport;
|
||||
@@ -56,7 +52,6 @@ uint16_t process_network_message(
|
||||
data->src.net = srcport->route_info.net;
|
||||
|
||||
switch (npdu_data.network_message_type) {
|
||||
|
||||
case NETWORK_MESSAGE_WHO_IS_ROUTER_TO_NETWORK:
|
||||
PRINT(INFO, "Recieved Who-Is-Router-To-Network message\n");
|
||||
if (apdu_len) {
|
||||
@@ -67,83 +62,83 @@ uint16_t process_network_message(
|
||||
return -2;
|
||||
}
|
||||
|
||||
destport = find_dnet(net, NULL); /* see if NET can be reached */
|
||||
destport = find_dnet(net, NULL); /* see if NET can be reached */
|
||||
if (destport) {
|
||||
/* if TRUE send reply */
|
||||
PRINT(INFO, "Sending I-Am-Router-To-Network message\n");
|
||||
buff_len =
|
||||
create_network_message
|
||||
(NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK, data, buff,
|
||||
buff_len = create_network_message(
|
||||
NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK, data, buff,
|
||||
&net);
|
||||
} else {
|
||||
data->dest.net = net; /* NET to look for */
|
||||
return -1; /* else initiate NET search procedure */
|
||||
data->dest.net = net; /* NET to look for */
|
||||
return -1; /* else initiate NET search procedure */
|
||||
}
|
||||
} else {
|
||||
/* if NET is omitted (message sent with -1) */
|
||||
PRINT(INFO, "Sending I-Am-Router-To-Network message\n");
|
||||
buff_len =
|
||||
create_network_message
|
||||
(NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK, data, buff, NULL);
|
||||
buff_len = create_network_message(
|
||||
NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK, data, buff, NULL);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK:
|
||||
{
|
||||
PRINT(INFO, "Recieved I-Am-Router-To-Network message\n");
|
||||
int net_count = apdu_len / 2;
|
||||
int i;
|
||||
for (i = 0; i < net_count; i++) {
|
||||
decode_unsigned16(&data->pdu[apdu_offset + 2 * i], &net); /* decode received NET values */
|
||||
add_dnet(&srcport->route_info, net, data->src); /* and update routing table */
|
||||
}
|
||||
break;
|
||||
case NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK: {
|
||||
PRINT(INFO, "Recieved I-Am-Router-To-Network message\n");
|
||||
int net_count = apdu_len / 2;
|
||||
int i;
|
||||
for (i = 0; i < net_count; i++) {
|
||||
decode_unsigned16(&data->pdu[apdu_offset + 2 * i],
|
||||
&net); /* decode received NET values */
|
||||
add_dnet(&srcport->route_info, net,
|
||||
data->src); /* and update routing table */
|
||||
}
|
||||
case NETWORK_MESSAGE_REJECT_MESSAGE_TO_NETWORK:
|
||||
{
|
||||
/* first octet of the message contains rejection reason */
|
||||
/* next two octets contain NET (can be decoded for additional info on error) */
|
||||
error_code = data->pdu[apdu_offset];
|
||||
switch (error_code) {
|
||||
case 0:
|
||||
PRINT(ERROR, "Error!\n");
|
||||
break;
|
||||
case 1:
|
||||
PRINT(ERROR, "Error: Network unreachable\n");
|
||||
break;
|
||||
case 2:
|
||||
PRINT(ERROR, "Error: Network is busy\n");
|
||||
break;
|
||||
case 3:
|
||||
PRINT(ERROR, "Error: Unknown network message type\n");
|
||||
break;
|
||||
case 4:
|
||||
PRINT(ERROR, "Error: Message too long\n");
|
||||
break;
|
||||
}
|
||||
break;
|
||||
break;
|
||||
}
|
||||
case NETWORK_MESSAGE_REJECT_MESSAGE_TO_NETWORK: {
|
||||
/* first octet of the message contains rejection reason */
|
||||
/* next two octets contain NET (can be decoded for additional info
|
||||
* on error) */
|
||||
error_code = data->pdu[apdu_offset];
|
||||
switch (error_code) {
|
||||
case 0:
|
||||
PRINT(ERROR, "Error!\n");
|
||||
break;
|
||||
case 1:
|
||||
PRINT(ERROR, "Error: Network unreachable\n");
|
||||
break;
|
||||
case 2:
|
||||
PRINT(ERROR, "Error: Network is busy\n");
|
||||
break;
|
||||
case 3:
|
||||
PRINT(ERROR, "Error: Unknown network message type\n");
|
||||
break;
|
||||
case 4:
|
||||
PRINT(ERROR, "Error: Message too long\n");
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case NETWORK_MESSAGE_INIT_RT_TABLE:
|
||||
PRINT(INFO, "Recieved Initialize-Routing-Table message\n");
|
||||
if (data->pdu[apdu_offset] > 0) {
|
||||
int net_count = data->pdu[apdu_offset];
|
||||
while (net_count--) {
|
||||
int i = 1;
|
||||
decode_unsigned16(&data->pdu[apdu_offset + i], &net); /* decode received NET values */
|
||||
add_dnet(&srcport->route_info, net, data->src); /* and update routing table */
|
||||
if (data->pdu[apdu_offset + i + 3] > 0) /* find next NET value */
|
||||
decode_unsigned16(&data->pdu[apdu_offset + i],
|
||||
&net); /* decode received NET values */
|
||||
add_dnet(&srcport->route_info, net,
|
||||
data->src); /* and update routing table */
|
||||
if (data->pdu[apdu_offset + i + 3] >
|
||||
0) /* find next NET value */
|
||||
i = data->pdu[apdu_offset + i + 3] + 4;
|
||||
else
|
||||
i = i + 4;
|
||||
}
|
||||
buff_len =
|
||||
create_network_message(NETWORK_MESSAGE_INIT_RT_TABLE_ACK,
|
||||
data, buff, NULL);
|
||||
buff_len = create_network_message(
|
||||
NETWORK_MESSAGE_INIT_RT_TABLE_ACK, data, buff, NULL);
|
||||
} else
|
||||
buff_len =
|
||||
create_network_message(NETWORK_MESSAGE_INIT_RT_TABLE_ACK,
|
||||
data, buff, &buff);
|
||||
buff_len = create_network_message(
|
||||
NETWORK_MESSAGE_INIT_RT_TABLE_ACK, data, buff, &buff);
|
||||
break;
|
||||
|
||||
case NETWORK_MESSAGE_INIT_RT_TABLE_ACK:
|
||||
@@ -152,9 +147,12 @@ uint16_t process_network_message(
|
||||
int net_count = data->pdu[apdu_offset];
|
||||
while (net_count--) {
|
||||
int i = 1;
|
||||
decode_unsigned16(&data->pdu[apdu_offset + i], &net); /* decode received NET values */
|
||||
add_dnet(&srcport->route_info, net, data->src); /* and update routing table */
|
||||
if (data->pdu[apdu_offset + i + 3] > 0) /* find next NET value */
|
||||
decode_unsigned16(&data->pdu[apdu_offset + i],
|
||||
&net); /* decode received NET values */
|
||||
add_dnet(&srcport->route_info, net,
|
||||
data->src); /* and update routing table */
|
||||
if (data->pdu[apdu_offset + i + 3] >
|
||||
0) /* find next NET value */
|
||||
i = data->pdu[apdu_offset + i + 3] + 4;
|
||||
else
|
||||
i = i + 4;
|
||||
@@ -182,12 +180,10 @@ uint16_t process_network_message(
|
||||
/* security messages */
|
||||
break;
|
||||
case NETWORK_MESSAGE_WHAT_IS_NETWORK_NUMBER:
|
||||
buff_len =
|
||||
create_network_message(NETWORK_MESSAGE_NETWORK_NUMBER_IS,
|
||||
data, buff, &buff);
|
||||
buff_len = create_network_message(NETWORK_MESSAGE_NETWORK_NUMBER_IS,
|
||||
data, buff, &buff);
|
||||
break;
|
||||
|
||||
|
||||
default:
|
||||
PRINT(ERROR, "Error: Message unsupported\n");
|
||||
break;
|
||||
@@ -197,12 +193,9 @@ uint16_t process_network_message(
|
||||
}
|
||||
|
||||
uint16_t create_network_message(
|
||||
BACNET_NETWORK_MESSAGE_TYPE network_message_type,
|
||||
MSG_DATA * data,
|
||||
uint8_t ** buff,
|
||||
void *val)
|
||||
BACNET_NETWORK_MESSAGE_TYPE network_message_type, MSG_DATA *data,
|
||||
uint8_t **buff, void *val)
|
||||
{
|
||||
|
||||
int16_t buff_len;
|
||||
bool data_expecting_reply = false;
|
||||
BACNET_NPDU_DATA npdu_data;
|
||||
@@ -211,17 +204,16 @@ uint16_t create_network_message(
|
||||
data_expecting_reply = true;
|
||||
init_npdu(&npdu_data, network_message_type, data_expecting_reply);
|
||||
|
||||
*buff = (uint8_t *) malloc(128); /* resolve different length */
|
||||
*buff = (uint8_t *)malloc(128); /* resolve different length */
|
||||
|
||||
/* manual destination setup for Init-RT-Table-Ack message */
|
||||
data->dest.net = BACNET_BROADCAST_NETWORK;
|
||||
buff_len = npdu_encode_pdu(*buff, &data->dest, NULL, &npdu_data);
|
||||
|
||||
switch (network_message_type) {
|
||||
|
||||
case NETWORK_MESSAGE_WHO_IS_ROUTER_TO_NETWORK:
|
||||
if (val != NULL) {
|
||||
uint8_t *valptr = (uint8_t *) val;
|
||||
uint8_t *valptr = (uint8_t *)val;
|
||||
uint16_t val16 = (valptr[0]) + (valptr[1] << 8);
|
||||
buff_len += encode_unsigned16(*buff + buff_len, val16);
|
||||
}
|
||||
@@ -229,7 +221,7 @@ uint16_t create_network_message(
|
||||
|
||||
case NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK:
|
||||
if (val != NULL) {
|
||||
uint8_t *valptr = (uint8_t *) val;
|
||||
uint8_t *valptr = (uint8_t *)val;
|
||||
uint16_t val16 = (valptr[0]) + (valptr[1] << 8);
|
||||
buff_len += encode_unsigned16(*buff + buff_len, val16);
|
||||
} else {
|
||||
@@ -237,9 +229,8 @@ uint16_t create_network_message(
|
||||
DNET *dnet;
|
||||
while (port != NULL) {
|
||||
if (port->route_info.net != data->src.net) {
|
||||
buff_len +=
|
||||
encode_unsigned16(*buff + buff_len,
|
||||
port->route_info.net);
|
||||
buff_len += encode_unsigned16(*buff + buff_len,
|
||||
port->route_info.net);
|
||||
dnet = port->route_info.dnets;
|
||||
while (dnet != NULL) {
|
||||
buff_len +=
|
||||
@@ -260,33 +251,31 @@ uint16_t create_network_message(
|
||||
}
|
||||
break;
|
||||
|
||||
case NETWORK_MESSAGE_REJECT_MESSAGE_TO_NETWORK:
|
||||
{
|
||||
uint8_t *valptr = (uint8_t *) val;
|
||||
uint16_t val16 = (valptr[0]) + (valptr[1] << 8);
|
||||
buff_len += encode_unsigned16(*buff + buff_len, val16);
|
||||
break;
|
||||
}
|
||||
case NETWORK_MESSAGE_REJECT_MESSAGE_TO_NETWORK: {
|
||||
uint8_t *valptr = (uint8_t *)val;
|
||||
uint16_t val16 = (valptr[0]) + (valptr[1] << 8);
|
||||
buff_len += encode_unsigned16(*buff + buff_len, val16);
|
||||
break;
|
||||
}
|
||||
case NETWORK_MESSAGE_INIT_RT_TABLE:
|
||||
case NETWORK_MESSAGE_INIT_RT_TABLE_ACK:
|
||||
if ((uint8_t *) val) {
|
||||
(*buff)[buff_len++] = (uint8_t) port_count;
|
||||
if ((uint8_t *)val) {
|
||||
(*buff)[buff_len++] = (uint8_t)port_count;
|
||||
|
||||
if (port_count > 0) {
|
||||
ROUTER_PORT *port = head;
|
||||
uint8_t portID = 1;
|
||||
|
||||
while (port != NULL) {
|
||||
buff_len +=
|
||||
encode_unsigned16(*buff + buff_len,
|
||||
port->route_info.net);
|
||||
buff_len += encode_unsigned16(*buff + buff_len,
|
||||
port->route_info.net);
|
||||
(*buff)[buff_len++] = portID++;
|
||||
(*buff)[buff_len++] = 0;
|
||||
port = port->next;
|
||||
}
|
||||
}
|
||||
} else
|
||||
(*buff)[buff_len++] = (uint8_t) 0;
|
||||
(*buff)[buff_len++] = (uint8_t)0;
|
||||
break;
|
||||
|
||||
case NETWORK_MESSAGE_INVALID:
|
||||
@@ -317,19 +306,15 @@ uint16_t create_network_message(
|
||||
return buff_len;
|
||||
}
|
||||
|
||||
void send_network_message(
|
||||
BACNET_NETWORK_MESSAGE_TYPE network_message_type,
|
||||
MSG_DATA * data,
|
||||
uint8_t ** buff,
|
||||
void *val)
|
||||
void send_network_message(BACNET_NETWORK_MESSAGE_TYPE network_message_type,
|
||||
MSG_DATA *data, uint8_t **buff, void *val)
|
||||
{
|
||||
|
||||
BACMSG msg;
|
||||
ROUTER_PORT *port = head;
|
||||
int16_t buff_len;
|
||||
|
||||
if (!data) {
|
||||
data = (MSG_DATA *) malloc(sizeof(MSG_DATA));
|
||||
data = (MSG_DATA *)malloc(sizeof(MSG_DATA));
|
||||
data->dest.net = BACNET_BROADCAST_NETWORK;
|
||||
data->dest.len = 0;
|
||||
}
|
||||
@@ -354,12 +339,10 @@ void send_network_message(
|
||||
}
|
||||
}
|
||||
|
||||
void init_npdu(
|
||||
BACNET_NPDU_DATA * npdu_data,
|
||||
BACNET_NETWORK_MESSAGE_TYPE network_message_type,
|
||||
bool data_expecting_reply)
|
||||
void init_npdu(BACNET_NPDU_DATA *npdu_data,
|
||||
BACNET_NETWORK_MESSAGE_TYPE network_message_type,
|
||||
bool data_expecting_reply)
|
||||
{
|
||||
|
||||
if (npdu_data) {
|
||||
npdu_data->data_expecting_reply = data_expecting_reply;
|
||||
npdu_data->protocol_version = BACNET_PROTOCOL_VERSION;
|
||||
|
||||
+34
-47
@@ -1,40 +1,38 @@
|
||||
/**
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Network port storage and handling
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
* @file
|
||||
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
|
||||
* @date 2012
|
||||
* @brief Network port storage and handling
|
||||
*
|
||||
* @section LICENSE
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "portthread.h"
|
||||
|
||||
ROUTER_PORT *find_snet(
|
||||
MSGBOX_ID id)
|
||||
ROUTER_PORT *find_snet(MSGBOX_ID id)
|
||||
{
|
||||
|
||||
ROUTER_PORT *port = head;
|
||||
|
||||
while (port != NULL) {
|
||||
@@ -46,11 +44,8 @@ ROUTER_PORT *find_snet(
|
||||
return NULL;
|
||||
}
|
||||
|
||||
ROUTER_PORT *find_dnet(
|
||||
uint16_t net,
|
||||
BACNET_ADDRESS * addr)
|
||||
ROUTER_PORT *find_dnet(uint16_t net, BACNET_ADDRESS *addr)
|
||||
{
|
||||
|
||||
ROUTER_PORT *port = head;
|
||||
DNET *dnet;
|
||||
|
||||
@@ -59,7 +54,6 @@ ROUTER_PORT *find_dnet(
|
||||
return port;
|
||||
|
||||
while (port != NULL) {
|
||||
|
||||
/* check if DNET is directly connected to the router */
|
||||
if (net == port->route_info.net)
|
||||
return port;
|
||||
@@ -84,32 +78,27 @@ ROUTER_PORT *find_dnet(
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void add_dnet(
|
||||
RT_ENTRY * route_info,
|
||||
uint16_t net,
|
||||
BACNET_ADDRESS addr)
|
||||
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));
|
||||
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 */
|
||||
if (dnet->net == net) /* make sure NETs are not repeated */
|
||||
return;
|
||||
tmp = dnet;
|
||||
dnet = dnet->next;
|
||||
}
|
||||
|
||||
dnet = (DNET *) malloc(sizeof(DNET));
|
||||
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;
|
||||
@@ -119,10 +108,8 @@ void add_dnet(
|
||||
}
|
||||
}
|
||||
|
||||
void cleanup_dnets(
|
||||
DNET * dnets)
|
||||
void cleanup_dnets(DNET *dnets)
|
||||
{
|
||||
|
||||
DNET *dnet = dnets;
|
||||
while (dnet != NULL) {
|
||||
dnet = dnet->next;
|
||||
|
||||
Reference in New Issue
Block a user