adding BACnet/IP to the linux port

bacnet-stack/Makefile

@@ -6,8 +6,8 @@ BASEDIR = .
 #CFLAGS  = -Wall -I. -O2 -g
 # Note: you can strip out symbols using the strip command
 # to get an idea of how big the compile really is.
-CFLAGS  = -Wall -I. -g -DBACDL_ETHERNET=1
-#CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_BIP=1
+#CFLAGS  = -Wall -I. -g -DBACDL_ETHERNET=1
+CFLAGS  = -Wall -I. -Iports/linux -g -DBACDL_BIP=1
 
 SRCS = ports/linux/main.c \
        ports/linux/ethernet.c \

bacnet-stack/ports/linux/bip.c

@@ -129,11 +129,11 @@ static int bip_send(
   uint8_t *pdu, // any data to be sent - may be null
   unsigned pdu_len) // number of bytes of data
 {
-    int status = -1; /* initially fail status */
     int bip_send_socket = -1;
     uint8_t mtu[MAX_MPDU] = { 0 };
     int mtu_len = 0;
-    int rv = 0; /* return value from socket calls */
+    int bytes_sent = 0;
+    int status = 0;
     
     // assumes that the driver has already been initialized
     // FIXME: can we use the same socket over and over?
@@ -163,17 +163,17 @@ static int bip_send(
     mtu_len += pdu_len;
     
     /* Send the packet */
-    status = sendto(bip_send_socket, (char *)mtu, mtu_len, 0, 
+    bytes_sent = sendto(bip_send_socket, (char *)mtu, mtu_len, 0, 
         (struct sockaddr *)bip_dest, 
         sizeof(struct sockaddr));
 
     close(bip_send_socket);
     
-    return status;
+    return bytes_sent;
 }
 
 /* function to send a packet out the BACnet/IP socket (Annex J) */
-/* returns zero on success, non-zero on failure */
+/* returns number of bytes sent on success, negative on failure */
 int bip_send_pdu(
   BACNET_ADDRESS *dest,  // destination address
   uint8_t *pdu, // any data to be sent - may be null

bacnet-stack/ports/linux/net.h

@@ -0,0 +1,97 @@
+/**************************************************************************
+*
+* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
+*
+* 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.
+*
+*********************************************************************/
+
+#ifndef NET_H
+#define NET_H
+
+/* common unix sockets headers needed */
+#include	<sys/types.h>	/* basic system data types */
+#include	<sys/time.h>	/* timeval{} for select() */
+#include	<time.h>		/* timespec{} for pselect() */
+#include	<netinet/in.h>	/* sockaddr_in{} and other Internet defns */
+#include	<arpa/inet.h>	/* inet(3) functions */
+#include	<fcntl.h>		/* for nonblocking */
+#include	<netdb.h>
+#include	<errno.h>
+#include	<signal.h>
+#include	<stdio.h>
+#include	<stdlib.h>
+#include	<string.h>
+#include	<sys/stat.h>	/* for S_xxx file mode constants */
+#include	<sys/uio.h>		/* for iovec{} and readv/writev */
+#include	<unistd.h>
+#include	<sys/wait.h>
+#include	<sys/un.h>		/* for Unix domain sockets */
+
+#ifdef	HAVE_SYS_SELECT_H
+# include	<sys/select.h>	/* for convenience */
+#endif
+
+#ifdef	HAVE_POLL_H
+# include	<poll.h>		/* for convenience */
+#endif
+
+#ifdef	HAVE_STRINGS_H
+# include	<strings.h>		/* for convenience */
+#endif
+
+/* Three headers are normally needed for socket/file ioctl's:
+ * <sys/ioctl.h>, <sys/filio.h>, and <sys/sockio.h>.
+ */
+#ifdef	HAVE_SYS_IOCTL_H
+# include	<sys/ioctl.h>
+#endif
+#ifdef	HAVE_SYS_FILIO_H
+# include	<sys/filio.h>
+#endif
+#ifdef	HAVE_SYS_SOCKIO_H
+# include	<sys/sockio.h>
+#endif
+
+#ifdef	HAVE_PTHREAD_H
+# include	<pthread.h>
+#endif
+
+
+#define ENUMS
+#include <sys/socket.h>
+#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 */
+#else
+#include <asm/types.h>
+#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>
+
+#endif