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Changed the apdu size reduction amount for various apdu sizes.

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This commit is contained in:
skarg
2006-02-17 17:45:09 +00:00
parent 2d2bb55c3c
commit ecb73d6bc0
1 changed files with 10 additions and 2 deletions
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bacnet-stack/demo/writefile/writefile.c
+10 -2
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@@ -373,14 +373,22 @@ int main(int argc, char *argv[])
if (found)
{
/* calculate the smaller of our APDU size or theirs
and remove the overhead of the APDU (about 24 octets max).
and remove the overhead of the APDU (varies depending on size).
note: we could fail if there is a bottle neck (router)
and smaller MPDU in betweeen. */
if (max_apdu < MAX_APDU)
my_max_apdu = max_apdu;
else
my_max_apdu = MAX_APDU;
requestedOctetCount = my_max_apdu - 24;
/* Typical sizes are 50, 128, 206, 480, 1024, and 1476 octets */
if (my_max_apdu <= 50)
requestedOctetCount = my_max_apdu - 16;
else if (my_max_apdu <= 480)
requestedOctetCount = my_max_apdu - 32;
else if (my_max_apdu <= 1476)
requestedOctetCount = my_max_apdu - 64;
else
requestedOctetCount = my_max_apdu / 2;
/* has the previous invoke id expired or returned?
note: invoke ID = 0 is invalid, so it will be idle */
if ((invoke_id == 0) || tsm_invoke_id_free(invoke_id))