| 33 |
|
$filter_addr |
| 34 |
|
$file_list |
| 35 |
|
$fqdn |
| 36 |
+ |
$pidfile |
| 37 |
|
); |
| 38 |
|
|
| 39 |
|
if (@ARGV != 2) { |
| 45 |
|
|
| 46 |
|
$seq_no = 1; |
| 47 |
|
|
| 48 |
+ |
# write our PID to a file |
| 49 |
+ |
$pidfile = "/var/tmp/ihost.pid"; |
| 50 |
+ |
&write_pid(); |
| 51 |
+ |
|
| 52 |
|
&tcp_configure(); |
| 53 |
|
&send_udp_packet(); |
| 54 |
|
|
| 76 |
|
`sleep $delay`; |
| 77 |
|
} |
| 78 |
|
|
| 79 |
+ |
# we'll probably never get here... |
| 80 |
+ |
`rm -f $pidfile`; |
| 81 |
|
exit(0); |
| 82 |
|
|
| 83 |
|
|
| 93 |
|
PeerAddr => $filter_manager_addr, |
| 94 |
|
PeerPort => $filter_manager_port, |
| 95 |
|
Proto => 'tcp' |
| 96 |
< |
); |
| 96 |
> |
) or die "Cannot connect!"; |
| 97 |
|
if (!defined $sock) { |
| 98 |
|
print "IHOST ERROR: Could not connect to $filter_manager_addr:$filter_manager_port.\n"; |
| 99 |
|
print "Please check that there is an i-scream server at this address.\n"; |
| 158 |
|
|
| 159 |
|
print $sock "FILTER\n"; |
| 160 |
|
$response = <$sock>; |
| 161 |
+ |
unless (defined($response)) { |
| 162 |
+ |
print "Failed: Could not get a filter address from the filter manager.\n"; |
| 163 |
+ |
exit(1); |
| 164 |
+ |
} |
| 165 |
|
chop $response; |
| 166 |
|
$response =~ /(.*);(.*);(.*)/; |
| 167 |
|
($filter_addr, $udp_port, $tcp_port) = ($1, $2, $3); |
| 168 |
+ |
unless (defined($filter_addr) && defined($udp_port) && defined($tcp_port)) { |
| 169 |
+ |
print "Failed: Filter address response from server did not make sense: $response\n"; |
| 170 |
+ |
exit(1); |
| 171 |
+ |
} |
| 172 |
|
|
| 173 |
|
print "Got filter data ($filter_addr, $udp_port, $tcp_port)\n"; |
| 174 |
|
|
| 224 |
|
} |
| 225 |
|
$disk_info .= "</disk>"; |
| 226 |
|
|
| 227 |
< |
my($machine_name) = hostname(); |
| 213 |
< |
my($ip) = inet_ntoa(scalar(gethostbyname($machine_name)) || 'localhost'); |
| 227 |
> |
my($ip) = inet_ntoa(scalar(gethostbyname(hostname())) || 'localhost'); |
| 228 |
|
|
| 229 |
|
# Build the XML packet this way, as we can clearly |
| 230 |
|
# see the structure and contents... I like this ;-) |
| 232 |
|
# larger than 8196 bytes] |
| 233 |
|
my($xml) = <<EOF; |
| 234 |
|
|
| 235 |
< |
<packet seq_no="$seq_no" machine_name="$machine_name" date="$date" type="data" ip="$ip"> |
| 235 |
> |
<packet seq_no="$seq_no" machine_name="$fqdn" date="$date" type="data" ip="$ip"> |
| 236 |
|
<load> |
| 237 |
|
<load1>$packet{"packet.load.load1"}</load1> |
| 238 |
|
<load5>$packet{"packet.load.load5"}</load5> |
| 279 |
|
|
| 280 |
|
# Make the packet smaller by stripping out newlines and leading spaces. |
| 281 |
|
$xml =~ s/\n\s*//g; |
| 282 |
< |
|
| 282 |
> |
|
| 283 |
|
my($sock) = new IO::Socket::INET ( |
| 284 |
|
PeerPort => $udp_port, |
| 285 |
|
PeerAddr => $filter_addr, |
| 286 |
|
Proto => 'udp' |
| 287 |
< |
) or die "Socket: $!\n"; |
| 287 |
> |
) or die "Could not send UDP: $!\n"; |
| 288 |
|
|
| 289 |
|
print $sock $xml or die "Could not send UDP packet: $!\n"; |
| 290 |
|
close($sock); |
| 308 |
|
PeerAddr => $filter_addr, |
| 309 |
|
PeerPort => $tcp_port, |
| 310 |
|
Proto => 'tcp' |
| 311 |
< |
); |
| 311 |
> |
) or return; |
| 312 |
|
if (!defined $sock) { |
| 313 |
|
print "IHOST WARNING: Failed to deliver a heartbeat to the i-scream filter.\n"; |
| 314 |
+ |
&tcp_configure(); |
| 315 |
|
return; |
| 316 |
|
} |
| 317 |
|
|
| 320 |
|
|
| 321 |
|
print $sock "HEARTBEAT\n"; |
| 322 |
|
$response = <$sock>; |
| 323 |
+ |
return if (!defined $response); |
| 324 |
|
chop $response; |
| 325 |
|
if (!$response eq "OK") { |
| 326 |
|
close($sock); |
| 327 |
|
print "Server gave wrong response to HEARTBEAT: $response\n"; |
| 328 |
+ |
&tcp_configure(); |
| 329 |
|
return; |
| 330 |
|
} |
| 331 |
|
|
| 332 |
|
print $sock "CONFIG\n"; |
| 333 |
|
$response = <$sock>; |
| 334 |
+ |
return if (!defined $response); |
| 335 |
|
chop $response; |
| 336 |
|
if (!$response eq "OK") { |
| 337 |
|
close($sock); |
| 338 |
|
print "Server gave wrong response to CONFIG: $response\n"; |
| 339 |
+ |
&tcp_configure(); |
| 340 |
|
return; |
| 341 |
|
} |
| 342 |
|
|
| 343 |
|
print $sock "$file_list\n"; |
| 344 |
|
$response = <$sock>; |
| 345 |
+ |
return if (!defined $response); |
| 346 |
|
chop $response; |
| 347 |
|
if (!$response eq "OK") { |
| 348 |
|
close($sock); |
| 349 |
|
print "Server gave wrong response to file list: $response\n"; |
| 350 |
+ |
&tcp_configure(); |
| 351 |
|
return; |
| 352 |
|
} |
| 353 |
|
|
| 354 |
|
print $sock "$last_modified\n"; |
| 355 |
|
$response = <$sock>; |
| 356 |
+ |
return if (!defined $response); |
| 357 |
|
chop $response; |
| 358 |
|
if ($response eq "ERROR") { |
| 359 |
|
close($sock); |
| 360 |
+ |
print "Server configuration changed. Reconfiguring with filter manager.\n"; |
| 361 |
|
&tcp_configure(); |
| 362 |
|
return; |
| 363 |
|
} |
| 364 |
|
if (!$response eq "OK") { |
| 365 |
|
close($sock); |
| 366 |
|
print "Server gave wrong response to HEARTBEAT: $response\n"; |
| 367 |
+ |
&tcp_configure(); |
| 368 |
|
return; |
| 369 |
|
} |
| 370 |
|
|
| 371 |
|
print $sock "ENDHEARTBEAT\n"; |
| 372 |
|
$response = <$sock>; |
| 373 |
+ |
return if (!defined $response); |
| 374 |
|
chop $response; |
| 375 |
|
if (!$response eq "OK") { |
| 376 |
|
close($sock); |
| 377 |
|
print "Server gave wrong response to ENDHEARTBEAT: $response\n"; |
| 378 |
+ |
&tcp_configure(); |
| 379 |
|
return; |
| 380 |
|
} |
| 381 |
|
|
| 382 |
|
close($sock); |
| 383 |
|
print "^"; |
| 384 |
+ |
|
| 385 |
+ |
return; |
| 386 |
+ |
} |
| 387 |
+ |
|
| 388 |
+ |
#----------------------------------------------------------------------- |
| 389 |
+ |
# write_pid |
| 390 |
+ |
# Writes the PID (process ID) of this instance to $pidfile. |
| 391 |
+ |
# This is then used by a seperate script to check (and restart) ihost. |
| 392 |
+ |
#----------------------------------------------------------------------- |
| 393 |
+ |
sub write_pid() { |
| 394 |
+ |
open PID, ">$pidfile"; |
| 395 |
+ |
print PID $$; |
| 396 |
+ |
close PID; |
| 397 |
|
|
| 398 |
|
return; |
| 399 |
|
} |
