3rd-party/libtins
1
0
Fork 0
mirror of https://github.com/mfontanini/libtins synced 2026-01-26 12:01:34 +01:00
Code Issues Releases Wiki Activity

Add initial ACK tracking code

Browse Source
This commit is contained in:
Matias Fontanini
2016-02-13 20:24:15 -08:00
parent 48c068b84a
commit 116eb9f1c1
14 changed files with 578 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/internals.cpp
View File

@@ -349,6 +349,20 @@ bool decrement(IPv6Address& addr) {
return decrement_buffer(addr);
}
int seq_compare(uint32_t seq1, uint32_t seq2) {
// As defined by RFC 1982 - 2 ^ (SERIAL_BITS - 1)
static const uint32_t seq_number_diff = 2147483648U;
if (seq1 == seq2) {
return 0;
}
if (seq1 < seq2) {
return (seq2 - seq1 < seq_number_diff) ? -1 : 1;
}
else {
return (seq1 - seq2 > seq_number_diff) ? -1 : 1;
}
}
IPv4Address last_address_from_mask(IPv4Address addr, IPv4Address mask) {
uint32_t addr_int = Endian::be_to_host<uint32_t>(addr),
mask_int = Endian::be_to_host<uint32_t>(mask);