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MAXLAN: work around cube bug by reconnecting

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git-svn-id: https://svn.fhem.de/fhem/trunk@2189 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
mgehre 2012-11-25 09:51:26 +00:00
parent acde49943c
commit e9a0ca77bc
1 changed files with 19 additions and 0 deletions
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19
fhem/FHEM/00_MAXLAN.pm
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@ -88,6 +88,11 @@ MAXLAN_Define($$)
$attr{$name}{dummy} = 1;
return undef;
}
#Sometimes (race condition in the cube?) the cube sends invalid
#configuration. Doing a reconnect usually remedies that.
$hash->{InvalidConfigurationReconnectCount} = 10;
$hash->{PARTIAL} = "";
$hash->{DeviceName} = $dev;
$hash->{INTERVAL} = @a > 3 ? $a[3] : $defaultPollInterval;
@ -110,6 +115,7 @@ MAXLAN_Connect($)
RemoveInternalTimer($hash);
$hash->{gothello} = 0;
$hash->{gotInvalidConfiguration} = 0;
delete($hash->{NEXT_OPEN}); #work around the connection rate limiter in DevIo
@ -328,6 +334,18 @@ sub
MAXLAN_FinishConnect($)
{
my ($hash) = @_;
if($hash->{gotInvalidConfiguration} and $hash->{InvalidConfigurationReconnectCount} > 0) {
#Workaround a cube bug by reconnecting
Log 3, "Reconnecting to workaround a cube bug, $hash->{InvalidConfigurationReconnectCount} attempts left";
$hash->{InvalidConfigurationReconnectCount} -= 1;
MAXLAN_Connect($hash); #reconnect
return;
}
#Reset reconnect count if we finally got a good configuration
$hash->{InvalidConfigurationReconnectCount} = 10 if(!$hash->{gotInvalidConfiguration});
#Handle deferred setting of time (L: is the last response after connection before the cube starts to idle)
if(defined($hash->{setTimeOnHello})) {
MAXLAN_Set($hash,$hash->{NAME},"clock");
@ -454,6 +472,7 @@ MAXLAN_Parse($$)
if($len != length($bindata)) {
Dispatch($hash, "MAX,Error,$addr,Parts of configuration are missing", {RAWMSG => $rmsg});
$hash->{gotInvalidConfiguration} = 1;
return "Invalid C: response, len does not match";
}