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Added BVLC Read-Broadcast-Distribution-Table demo (doesn't print table yet).

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This commit is contained in:
skarg
2012-10-24 22:09:43 +00:00
parent 6facc07c74
commit fa12f4bcdf
6 changed files with 435 additions and 13 deletions
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bacnet-stack/src/bvlc.c
+43 -8
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@@ -248,7 +248,6 @@ int bvlc_encode_write_bdt_init(
}
#endif
#if defined(BBMD_CLIENT_ENABLED) && BBMD_CLIENT_ENABLED
int bvlc_encode_read_bdt(
uint8_t * pdu)
{
@@ -266,8 +265,34 @@ int bvlc_encode_read_bdt(
return len;
}
#endif
/**
* Read the The Read-Broadcast-Distribution-Table of a BBMD
*
* @param bbmd_address - IPv4 address (long) of BBMD to read,
* in network byte order.
* @param bbmd_port - Network port of BBMD to read, in network byte order
* @return Upon successful completion, returns the number of bytes sent.
* Otherwise, -1 shall be returned and errno set to indicate the error.
*/
int bvlc_bbmd_read_bdt(
uint32_t bbmd_address,
uint16_t bbmd_port)
{
uint8_t mtu[MAX_MPDU] = { 0 };
uint16_t mtu_len = 0;
int rv = 0;
struct sockaddr_in bbmd = { 0 };
mtu_len = bvlc_encode_read_bdt(mtu);
if (mtu_len > 0) {
bbmd.sin_addr.s_addr = bbmd_address;
bbmd.sin_port = bbmd_port;
rv = bvlc_send_mpdu(&bbmd, &mtu[0], mtu_len);
}
return rv;
}
#if defined(BBMD_ENABLED) && BBMD_ENABLED
static int bvlc_encode_read_bdt_ack_init(
@@ -621,12 +646,23 @@ static bool bvlc_delete_foreign_device(
}
#endif
/** The common send function for bvlc functions, using b/ip. */
static int bvlc_send_mpdu(
struct sockaddr_in *dest, /* the destination address */
uint8_t * mtu, /* the data */
/**
* The common send function for bvlc functions, using b/ip.
*
* @param dest - Points to a sockaddr_in structure containing the
* destination address. The length and format of the address depend
* on the address family of the socket (AF_INET).
* The address is in network byte order.
* @param mtu - the bytes of data to send
* @param mtu_len - the number of bytes of data to send
* @return Upon successful completion, returns the number of bytes sent.
* Otherwise, -1 shall be returned and errno set to indicate the error.
*/
int bvlc_send_mpdu(
struct sockaddr_in *dest,
uint8_t * mtu,
uint16_t mtu_len)
{ /* amount of data to send */
{
struct sockaddr_in bvlc_dest = { 0 };
/* assumes that the driver has already been initialized */
@@ -643,7 +679,6 @@ static int bvlc_send_mpdu(
(struct sockaddr *) &bvlc_dest, sizeof(struct sockaddr));
}
#if defined(BBMD_ENABLED) && BBMD_ENABLED
static void bvlc_bdt_forward_npdu(
struct sockaddr_in *sin, /* source address in network order */