faraphel/chrony
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ntp: fix poll value in broadcast mode packets

Browse source 
Set poll in broadcast mode packets to the rounded log2 value of the
actual interval instead of a hardcoded value.
This commit is contained in:
Miroslav Lichvar 2016-10-24 14:54:58 +02:00
parent 14647032b2
commit 0e273939d2
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
ntp_core.c
View file

@ -2242,7 +2242,7 @@ broadcast_timeout(void *arg)
recv_ts.source = NTP_TS_DAEMON;
recv_ts.err = 0.0;
transmit_packet(MODE_BROADCAST, 0, 6 /* FIXME: should this be log2(interval)? */,
transmit_packet(MODE_BROADCAST, 0, log(destination->interval) / log(2.0) + 0.5,
NTP_VERSION, 0, 0, &orig_ts, &orig_ts, &recv_ts, NULL, NULL, NULL,
&destination->addr, &destination->local_addr);
@ -2264,7 +2264,7 @@ NCR_AddBroadcastDestination(IPAddr *addr, unsigned short port, int interval)
destination->addr.port = port;
destination->local_addr.ip_addr.family = IPADDR_UNSPEC;
destination->local_addr.sock_fd = NIO_OpenServerSocket(&destination->addr);
destination->interval = interval;
destination->interval = CLAMP(1 << MIN_POLL, interval, 1 << MAX_POLL);
SCH_AddTimeoutInClass(destination->interval, SAMPLING_SEPARATION, SAMPLING_RANDOMNESS,
SCH_NtpBroadcastClass, broadcast_timeout,