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- Optimization to the previous (rev 1.15) commit.

Browse Source 
Requested by:	eivind
Discussed with:	eivind
Reviewed by:	brian, eivind
This commit is contained in:
ru 1999-09-10 15:27:34 +00:00
parent e637f5a9b7
commit 25ec57cdd2
2 changed files with 22 additions and 18 deletions
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20
lib/libalias/alias.c
View File

@ -118,7 +118,7 @@
TcpMonitorIn() -- These routines monitor TCP connections, and
TcpMonitorOut() delete a link when a connection is closed.
These routines look for SYN, ACK and RST flags to determine when TCP
These routines look for SYN, FIN and RST flags to determine when TCP
connections open and close. When a TCP connection closes, the data
structure containing packet aliasing information is deleted after
a timeout period.
@ -140,12 +140,13 @@ TcpMonitorIn(struct ip *pip, struct alias_link *link)
switch (GetStateIn(link))
{
case ALIAS_TCP_STATE_NOT_CONNECTED:
if (tc->th_flags & TH_SYN)
if (tc->th_flags & TH_RST)
SetStateIn(link, ALIAS_TCP_STATE_DISCONNECTED);
else if (tc->th_flags & TH_SYN)
SetStateIn(link, ALIAS_TCP_STATE_CONNECTED);
/*FALLTHROUGH*/
break;
case ALIAS_TCP_STATE_CONNECTED:
if (tc->th_flags & TH_FIN
|| tc->th_flags & TH_RST)
if (tc->th_flags & (TH_FIN | TH_RST))
SetStateIn(link, ALIAS_TCP_STATE_DISCONNECTED);
break;
}
@ -161,12 +162,13 @@ TcpMonitorOut(struct ip *pip, struct alias_link *link)
switch (GetStateOut(link))
{
case ALIAS_TCP_STATE_NOT_CONNECTED:
if (tc->th_flags & TH_SYN)
if (tc->th_flags & TH_RST)
SetStateOut(link, ALIAS_TCP_STATE_DISCONNECTED);
else if (tc->th_flags & TH_SYN)
SetStateOut(link, ALIAS_TCP_STATE_CONNECTED);
/*FALLTHROUGH*/
break;
case ALIAS_TCP_STATE_CONNECTED:
if (tc->th_flags & TH_FIN
|| tc->th_flags & TH_RST)
if (tc->th_flags & (TH_FIN | TH_RST))
SetStateOut(link, ALIAS_TCP_STATE_DISCONNECTED);
break;
}

20
sys/netinet/libalias/alias.c
View File

@ -118,7 +118,7 @@
TcpMonitorIn() -- These routines monitor TCP connections, and
TcpMonitorOut() delete a link when a connection is closed.
These routines look for SYN, ACK and RST flags to determine when TCP
These routines look for SYN, FIN and RST flags to determine when TCP
connections open and close. When a TCP connection closes, the data
structure containing packet aliasing information is deleted after
a timeout period.
@ -140,12 +140,13 @@ TcpMonitorIn(struct ip *pip, struct alias_link *link)
switch (GetStateIn(link))
{
case ALIAS_TCP_STATE_NOT_CONNECTED:
if (tc->th_flags & TH_SYN)
if (tc->th_flags & TH_RST)
SetStateIn(link, ALIAS_TCP_STATE_DISCONNECTED);
else if (tc->th_flags & TH_SYN)
SetStateIn(link, ALIAS_TCP_STATE_CONNECTED);
/*FALLTHROUGH*/
break;
case ALIAS_TCP_STATE_CONNECTED:
if (tc->th_flags & TH_FIN
|| tc->th_flags & TH_RST)
if (tc->th_flags & (TH_FIN | TH_RST))
SetStateIn(link, ALIAS_TCP_STATE_DISCONNECTED);
break;
}
@ -161,12 +162,13 @@ TcpMonitorOut(struct ip *pip, struct alias_link *link)
switch (GetStateOut(link))
{
case ALIAS_TCP_STATE_NOT_CONNECTED:
if (tc->th_flags & TH_SYN)
if (tc->th_flags & TH_RST)
SetStateOut(link, ALIAS_TCP_STATE_DISCONNECTED);
else if (tc->th_flags & TH_SYN)
SetStateOut(link, ALIAS_TCP_STATE_CONNECTED);
/*FALLTHROUGH*/
break;
case ALIAS_TCP_STATE_CONNECTED:
if (tc->th_flags & TH_FIN
|| tc->th_flags & TH_RST)
if (tc->th_flags & (TH_FIN | TH_RST))
SetStateOut(link, ALIAS_TCP_STATE_DISCONNECTED);
break;
}