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As a last resort, match packets to processes when only the local part matches

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Helps for applications with many short-lived connections (such as bittorrent)
and is correct except for exotic use cases anyway
This commit is contained in:
Arnout Engelen
2013-05-12 18:17:59 +00:00
parent 9d8555e17c
commit d7497c1ebf
3 changed files with 44 additions and 25 deletions
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12
packet.cpp
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@@ -231,11 +231,12 @@ bool Packet::Outgoing () {
dir = dir_outgoing;
return true;
} else {
/*if (DEBUG) {
if (DEBUG) {
if (sa_family == AF_INET)
islocal = local_addrs->contains(dip.s_addr);
else
islocal = local_addrs->contains(dip6);
if (!islocal) {
std::cerr << "Neither dip nor sip are local: ";
char addy [50];
@@ -246,7 +247,7 @@ bool Packet::Outgoing () {
return false;
}
}*/
}
dir = dir_incoming;
return false;
}
@@ -273,7 +274,7 @@ char * Packet::gethashstring ()
inet_ntop(sa_family, &dip, remote_string, 49);
} else {
inet_ntop(sa_family, &sip6, local_string, 49);
inet_ntop(sa_family, &dip6, remote_string, 49);
inet_ntop(sa_family, &dip6, remote_string, 49);
}
if (Outgoing()) {
snprintf(hashstring, HASHKEYSIZE * sizeof(char), "%s:%d-%s:%d", local_string, sport, remote_string, dport);
@@ -294,3 +295,8 @@ bool Packet::match (Packet * other)
return (sport == other->sport) && (dport == other->dport)
&& (sameinaddr(sip, other->sip)) && (sameinaddr(dip, other->dip));
}
bool Packet::matchSource (Packet * other)
{
return (sport == other->sport) && (sameinaddr(sip, other->sip));
}