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getting the test system working.

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This commit is contained in:
skarg
2005-03-16 19:12:31 +00:00
parent f5da90f3a0
commit f08d6499c9
2 changed files with 70 additions and 41 deletions
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bacnet-stack/ports/linux/ethernet.c
+67 -37
View File
@@ -1,23 +1,58 @@
/*####COPYRIGHTBEGIN####
-------------------------------------------
Copyright (C) 2005 Steve Karg
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 2
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, write to:
The Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA.
As a special exception, if other files instantiate templates or
use macros or inline functions from this file, or you compile
this file and link it with other works to produce a work based
on this file, this file does not by itself cause the resulting
work to be covered by the GNU General Public License. However
the source code for this file must still be made available in
accordance with section (3) of the GNU General Public License.
This exception does not invalidate any other reasons why a work
based on this file might be covered by the GNU General Public
License.
-------------------------------------------
####COPYRIGHTEND####*/
#include <stdio.h> /* Standard I/O */
#include <stdlib.h> /* Standard Library */
#include <errno.h> /* Error number and related */
#include <sys/time.h> /* System time values */
#include <sys/types.h> /* System data types */
#include <sys/stat.h> /* File statistics */
#include <unistd.h> /* Command-line options */
#include <fcntl.h> /* FD-based file-control */
#include <string.h> /* string hanfling functions */
#include <signal.h> /* signal handling functions */
#include <time.h> /* time functions */
#include <stdarg.h>
#include <stdint.h> // for standard integer types uint8_t etc.
#include <stdbool.h> // for the standard bool type.
//#include <sys/time.h> /* System time values */
//#include <sys/types.h> /* System data types */
//#include <sys/stat.h> /* File statistics */
//#include <unistd.h> /* Command-line options */
//#include <fcntl.h> /* FD-based file-control */
//#include <string.h> /* string hanfling functions */
//#include <signal.h> /* signal handling functions */
//#include <time.h> /* time functions */
//#include <stdarg.h>
#define ENUMS
#include <sys/socket.h>
#include <net/route.h>
#include <net/if.h>
#include <features.h> /* for the glibc version number */
//#include <net/route.h>
//#include <net/if.h>
//#include <features.h> /* for the glibc version number */
#if __GLIBC__ >= 2 && __GLIBC_MINOR >= 1
#include <netpacket/packet.h>
#include <net/ethernet.h> /* the L2 protocols */
@@ -26,13 +61,15 @@
#include <linux/if_packet.h>
#include <linux/if_ether.h> /* The L2 protocols */
#endif
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include <sys/ioctl.h>
#include <netdb.h>
//#include <netinet/in.h>
//#include <arpa/inet.h>
//#include <sys/un.h>
//#include <sys/ioctl.h>
//#include <netdb.h>
#include "bacdef.h"
#include "ethernet.h"
#include "bacdcode.h"
// commonly used comparison address for ethernet
uint8_t Ethernet_Broadcast[MAX_MAC_LEN] =
@@ -50,18 +87,13 @@ bool ethernet_valid(void)
return (eth802_sockfd >= 0);
}
static int ethernet_socket(void)
{
return eth802_sockfd;
}
bool ethernet_cleanup(void)
{
if (ethernet_valid())
close(eth802_sockfd);
eth802_sockfd = -1;
if (ethernet_valid())
close(eth802_sockfd);
eth802_sockfd = -1;
return true;
return true;
}
/* opens an 802.2 socket to receive and send packets */
@@ -132,9 +164,6 @@ static int get_local_hwaddr(const char *ifname, unsigned char *mac)
bool ethernet_init(char *interface_name)
{
get_local_hwaddr(interface_name, Ethernet_MAC_Address);
debug_printf(2, "ethernet: Local MAC=%s\n",
hwaddrtoa(Ethernet_MAC_Address));
eth802_sockfd =
ethernet_bind(&eth_addr, interface_name);
@@ -153,7 +182,6 @@ int ethernet_send(
int bytes = 0;
uint8_t mtu[MAX_MPDU] = { 0 };
int mtu_len = 0;
int packet_len = 0;
int i = 0;
// don't waste time if the socket is not valid
@@ -207,7 +235,7 @@ int ethernet_send(
}
/* packet length */
mtu_len += encode_unsigned16(&mtu[12],
3 /*DSAP,SSAP,LLC*/ + pdu_len)
3 /*DSAP,SSAP,LLC*/ + pdu_len);
// Logical PDU portion
mtu[mtu_len++] = 0x82; /* DSAP for BACnet */
mtu[mtu_len++] = 0x82; /* SSAP for BACnet */
@@ -221,8 +249,9 @@ int ethernet_send(
(struct sockaddr *) &eth_addr, sizeof(struct sockaddr));
/* did it get sent? */
if (bytes < 0) {
fprintf("ethernet: Error sending packet: %s\n", strerror(errno));
return status;
fprintf(stderr,"ethernet: Error sending packet: %s\n",
strerror(errno));
return status;
}
// got this far - must be good!
@@ -244,11 +273,11 @@ int ethernet_send_pdu(
for (i = 0; i < 6; i++)
{
src.mac[i] = Ethernet_MAC_Address[i];
src->mac_len++;
src.mac_len++;
}
/* function to send a packet out the 802.2 socket */
/* returns 1 on success, 0 on failure */
return ethernet_send_pdu(dest, // destination address
return ethernet_send(dest, // destination address
&src, // source address
pdu, // any data to be sent - may be null
pdu_len); // number of bytes of data
@@ -264,7 +293,6 @@ uint16_t ethernet_receive(
int received_bytes;
uint8_t buf[MAX_MPDU] = {0}; // data
uint16_t pdu_len = 0; // return value
unsigned i = 0; // counter
/* Make sure the socket is open */
if (eth802_sockfd <= 0)
@@ -300,7 +328,7 @@ uint16_t ethernet_receive(
return 0;
}
(void)decode_unsigned16(&buf[12],&pdu_len)
(void)decode_unsigned16(&buf[12],&pdu_len);
pdu_len -= 3 /* DSAP, SSAP, LLC Control */ ;
// copy the buffer into the PDU
if (pdu_len < max_pdu)
@@ -311,6 +339,8 @@ uint16_t ethernet_receive(
void ethernet_get_my_address(BACNET_ADDRESS *my_address)
{
int i = 0;
my_address->mac_len = 0;
my_address->net = 0; // local only, no routing
for (i = 0; i < 6; i++)
bacnet-stack/ports/linux/main.c
+3 -4
View File
@@ -57,7 +57,7 @@ void Process_APDU(
BACNET_ADDRESS *src, // source address
uint8_t *apdu, // APDU data
uint16_t pdu_len, // length of the PDU
uint8_t invoke_id); // for confirmed messages
uint8_t invoke_id) // for confirmed messages
{
}
@@ -68,6 +68,7 @@ void Process_PDU(
uint16_t pdu_len) // length PDU
{
uint8_t invoke_id = 0;
int apdu_offset = 0;
apdu_offset = npdu_decode(
&src, // source address - get the SADR/SNET if in there
@@ -86,7 +87,6 @@ void Process_PDU(
void Send_IAm(void)
{
int pdu_len = 0;
uint8_t invoke_id = 0;
BACNET_ADDRESS dest;
BACNET_ADDRESS src;
@@ -101,8 +101,7 @@ void Send_IAm(void)
&dest,
&src,
false, // true for confirmed messages
MESSAGE_PRIORITY_NORMAL,
invoke_id);
MESSAGE_PRIORITY_NORMAL);
// encode the APDU portion of the packet
pdu_len += iam_encode_apdu(