Added handling for ARCNET on the Linux port.

bacnet-stack/Makefile

@@ -7,9 +7,9 @@ BASEDIR = .
 # Note: you can strip out symbols using the strip command
 # to get an idea of how big the compile really is.
 #CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_ETHERNET=1
-CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_ARCNET=1
+#CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_ARCNET=1
 #CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_MSTP=1
-#CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_BIP=1
+CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_BIP=1
 
 SRCS = ports/linux/main.c \
        ports/linux/ethernet.c \

bacnet-stack/bacfile.c

@@ -47,7 +47,7 @@ typedef struct
 
 static BACNET_FILE_LISTING BACnet_File_Listing[] =
 {
-  {0, "temp.txt"},
+  {0, "test.log"},
   {1, "script.txt"},
   {0, NULL} // last file indication
 };

bacnet-stack/bip.h

@@ -94,7 +94,7 @@ void bip_set_broadcast_addr(uint32_t net_address);
 // returns host byte order
 uint32_t bip_get_broadcast_addr(void);
 
-void bip_set_interface_name(char *ifname);
+void bip_set_interface(char *ifname);
 
 #ifdef __cplusplus
 }

bacnet-stack/config.h

@@ -11,8 +11,8 @@
 // This is used in constructing messages and to tell others our limits
 // 50 is the minimum; adjust to your memory and physical layer constraints
 // Lon=206, MS/TP=480, ARCNET=480, Ethernet=1476
-#define MAX_APDU 50
+//#define MAX_APDU 50
-//#define MAX_APDU 480
+#define MAX_APDU 480
 //#define MAX_APDU 1476
 
 // for confirmed messages, this is the number of transactions

bacnet-stack/datalink.c

@@ -109,6 +109,22 @@ uint16_t datalink_receive(
   #endif
 }
 
+void datalink_cleanup(void)
+{
+#ifdef BACDL_ETHERNET
+  ethernet_cleanup();
+#endif
+#ifdef BACDL_BIP
+  bip_cleanup();
+#endif
+#ifdef BACDL_ARCNET
+  arcnet_cleanup();
+#endif
+#ifdef BACDL_MSTP
+  dlmstp_cleanup();
+#endif
+}
+
 void datalink_get_broadcast_address(
   BACNET_ADDRESS *dest) // destination address
 {

bacnet-stack/datalink.h

@@ -72,6 +72,8 @@ uint16_t datalink_receive(
   uint16_t max_pdu, // amount of space available in the PDU 
   unsigned timeout); // number of milliseconds to wait for a packet
 
+void datalink_cleanup(void);
+
 void datalink_get_broadcast_address(
   BACNET_ADDRESS *dest); // destination address
 

bacnet-stack/ports/linux/bip-init.c

@@ -38,6 +38,54 @@
 #include "bip.h"
 #include "net.h"
 
+static int get_local_ifr_ioctl(char *ifname, struct ifreq *ifr, int request)
+{
+    int fd;
+    int rv;                     // return value
+
+    strncpy(ifr->ifr_name, ifname, sizeof(ifr->ifr_name));
+    fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
+    if (fd < 0)
+        rv = fd;
+    else
+        rv = ioctl(fd, request, ifr);
+
+    return rv;
+}
+
+static int get_local_address_ioctl(
+    char *ifname, 
+    struct in_addr *addr,
+    int request)
+{
+    struct ifreq ifr = { {{0}} };
+    struct sockaddr_in *tcpip_address;
+    int rv;                     // return value
+
+    rv = get_local_ifr_ioctl(ifname,&ifr,request);
+    if (rv >= 0) {
+        tcpip_address = (struct sockaddr_in *) &ifr.ifr_addr;
+        memcpy(addr, &tcpip_address->sin_addr, sizeof(struct in_addr));
+    }
+
+    return rv;
+}
+
+void bip_set_interface(char *ifname)
+{
+    struct in_addr local_address;
+    struct in_addr broadcast_address;
+
+    /* setup local address */
+    get_local_address_ioctl(ifname, &local_address, SIOCGIFADDR);
+    bip_set_addr(local_address.s_addr);
+    fprintf(stderr,"IP Address: %s\n",inet_ntoa(local_address));
+    /* setup local broadcast address */
+    get_local_address_ioctl(ifname, &broadcast_address, SIOCGIFBRDADDR);
+    bip_set_broadcast_addr(broadcast_address.s_addr);
+    fprintf(stderr,"Broadcast Address: %s\n",inet_ntoa(broadcast_address));   
+}
+
 bool bip_init(void)
 {
     int status = 0; // return from socket lib calls

bacnet-stack/ports/linux/main.c

@@ -204,13 +204,7 @@ static void print_address_cache(void)
 
 static void sig_handler(int signo)
 {
-  #ifdef BACDL_ETHERNET
+  datalink_cleanup();
-  ethernet_cleanup();
-  #endif
-  #ifdef BACDL_BIP
-  bip_cleanup();
-  #endif
-
   print_address_cache();
  
   exit(0);
@@ -244,6 +238,10 @@ int main(int argc, char *argv[])
   if (!bip_init())
     return 1;
   #endif
+  #ifdef BACDL_ARCNET
+  if (!arcnet_init("arc0"))
+    return 1;
+  #endif
 
   // loop forever
   for (;;)