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Added function to get the device instance number from the address cache using the MAC address.

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This commit is contained in:
skarg
2007-10-31 23:01:43 +00:00
parent e51d11856d
commit 801342e85b
4 changed files with 114 additions and 53 deletions
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bacnet-stack/src/address.c
+30 -33
View File
@@ -100,6 +100,28 @@ bool address_get_by_device(uint32_t device_id,
return found;
}
/* find a the device id from a given MAC address */
bool address_get_device_id(BACNET_ADDRESS * src,
uint32_t *device_id)
{
unsigned i;
bool found = false; /* return value */
for (i = 0; i < MAX_ADDRESS_CACHE; i++) {
if (Address_Cache[i].valid) {
if (bacnet_address_same(&Address_Cache[i].address, src)) {
if (device_id) {
*device_id = Address_Cache[i].device_id;
}
found = true;
break;
}
}
}
return found;
}
void address_add(uint32_t device_id,
unsigned max_apdu, BACNET_ADDRESS * src)
{
@@ -233,36 +255,6 @@ unsigned address_count(void)
return count;
}
bool address_match(BACNET_ADDRESS * dest, BACNET_ADDRESS * src)
{
unsigned i;
unsigned max_len;
bool match = true; /* return value */
if (dest->mac_len != src->mac_len)
match = false;
max_len = dest->mac_len;
if (max_len > MAX_MAC_LEN)
max_len = MAX_MAC_LEN;
for (i = 0; i < max_len; i++) {
if (dest->mac[i] != src->mac[i])
match = false;
}
if (dest->net != src->net)
match = false;
if (dest->len != src->len)
match = false;
max_len = dest->len;
if (max_len > MAX_MAC_LEN)
max_len = MAX_MAC_LEN;
for (i = 0; i < max_len; i++) {
if (dest->adr[i] != src->adr[i])
match = false;
}
return match;
}
#ifdef TEST
#include <assert.h>
#include <string.h>
@@ -293,6 +285,7 @@ void testAddress(Test * pTest)
uint32_t test_device_id = 0;
unsigned test_max_apdu = 0;
/* create a fake address database */
for (i = 0; i < MAX_ADDRESS_CACHE; i++) {
set_address(i, &src);
device_id = i * 255;
@@ -303,17 +296,21 @@ void testAddress(Test * pTest)
for (i = 0; i < MAX_ADDRESS_CACHE; i++) {
device_id = i * 255;
set_address(i, &src);
/* test the lookup by device id */
ct_test(pTest, address_get_by_device(device_id, &test_max_apdu,
&test_address));
set_address(i, &src);
ct_test(pTest, test_max_apdu == max_apdu);
ct_test(pTest, address_match(&test_address, &src));
ct_test(pTest, bacnet_address_same(&test_address, &src));
ct_test(pTest, address_get_by_index(i, &test_device_id,
&test_max_apdu, &test_address));
ct_test(pTest, test_device_id == device_id);
ct_test(pTest, test_max_apdu == max_apdu);
ct_test(pTest, address_match(&test_address, &src));
ct_test(pTest, bacnet_address_same(&test_address, &src));
ct_test(pTest, address_count() == MAX_ADDRESS_CACHE);
/* test the lookup by MAC */
ct_test(pTest, address_get_device_id(&src, &test_device_id));
ct_test(pTest, test_device_id == device_id);
}
for (i = 0; i < MAX_ADDRESS_CACHE; i++) {
bacnet-stack/src/bacaddr.c
+26 -20
View File
@@ -56,24 +56,30 @@ void bacnet_address_copy(BACNET_ADDRESS * dest, BACNET_ADDRESS * src)
bool bacnet_address_same(BACNET_ADDRESS * dest, BACNET_ADDRESS * src)
{
int i = 0;
if (!dest || !src)
return false;
if (dest->mac_len != src->mac_len)
return false;
for (i = 0; i < dest->mac_len; i++) {
if (dest->mac[i] != src->mac[i])
return false;
}
if (dest->net != src->net)
return false;
if (dest->len != src->len)
return false;
for (i = 0; i < dest->len; i++) {
if (dest->adr[i] != src->adr[i])
return false;
}
return true;
unsigned i;
unsigned max_len;
bool match = true; /* return value */
if (dest->mac_len != src->mac_len)
match = false;
max_len = dest->mac_len;
if (max_len > MAX_MAC_LEN)
max_len = MAX_MAC_LEN;
for (i = 0; i < max_len; i++) {
if (dest->mac[i] != src->mac[i])
match = false;
}
if (dest->net != src->net)
match = false;
if (dest->len != src->len)
match = false;
max_len = dest->len;
if (max_len > MAX_MAC_LEN)
max_len = MAX_MAC_LEN;
for (i = 0; i < max_len; i++) {
if (dest->adr[i] != src->adr[i])
match = false;
}
return match;
}