44 |
|
|
45 |
our %PersistentConnections=(); |
our %PersistentConnections=(); |
46 |
our $NumAcceptedConnections=0; |
our $NumAcceptedConnections=0; |
47 |
|
|
48 |
|
|
49 |
############################################################################### |
############################################################################### |
50 |
# Factory methods |
# Factory methods |
80 |
|
|
81 |
if(exists($PersistentConnections{$id})) |
if(exists($PersistentConnections{$id})) |
82 |
{ |
{ |
83 |
$PersistentConnections{$id}->close(1); |
$PersistentConnections{$id}->close(0,'newSubscriberWithSameID'); |
84 |
} |
} |
85 |
} |
} |
86 |
|
|
87 |
sub pingPersistentConnections { |
sub pingPersistentConnections { |
88 |
my $class=shift; |
my $class=shift; |
89 |
|
|
|
my $msg=$::CONF{'PingMessage'}; |
|
90 |
my @cons=values %PersistentConnections; |
my @cons=values %PersistentConnections; |
91 |
|
|
92 |
map { $_->write($msg) } @cons; |
map { $_->ping() } @cons; |
93 |
} |
} |
94 |
|
|
95 |
sub checkPersistentConnectionsForMaxTime { |
sub checkPersistentConnectionsForMaxTime { |
130 |
# Analyze header, register with appropiate channel |
# Analyze header, register with appropiate channel |
131 |
# and send pending messages. |
# and send pending messages. |
132 |
# |
# |
133 |
# GET $::CONF{'SubscriberDynamicPageAddress'}?channel=ml123&restartfrom=1 HTTP/1.1 |
# GET $::CONF{'SubscriberDynamicPageAddress'}/hostid/streamtype/channeldefs HTTP/1.1 |
134 |
# |
# |
135 |
# Find the 'GET' line |
# Find the 'GET' line |
136 |
# |
# |
137 |
if($self->{'headerBuffer'}=~/GET\s+$::CONF{'SubscriberDynamicPageAddress'}\?(\S+)/) |
if($self->{'headerBuffer'}=~/GET\s+$::CONF{'SubscriberDynamicPageAddress'}\/([0-9a-z]+)\/([0-9a-z]+)\/([a-z0-9_\-\%\.\/]+).*?/i) |
138 |
{ |
{ |
139 |
my @formData=split('&',$1); |
$self->{'subscriberID'}=$1; |
140 |
my $channelName=undef; |
$self->{'mode'}=$2; |
141 |
my $startIndex=undef; |
my $persist=$self->getConf('Persist'); |
142 |
my $backtrack=undef; |
my $maxTime=$self->getConf('MaxTime'); |
143 |
my $persist=1; |
$self->{'ConnectionTimeLimit'} = ($self->{'ConnectionStart'}+$maxTime) if ($maxTime>0); |
144 |
my $subscriberID=undef; |
|
145 |
|
my @channelData=split('/',$3); |
146 |
my $channels={}; |
my $channels={}; |
147 |
foreach my $formElement (@formData) |
my $channelName; |
148 |
{ |
my $offset; |
149 |
if($formElement=~/^channel=(.+)$/) |
foreach my $chandef (@channelData) { |
150 |
{ |
if($chandef=~/^([a-z0-9_\-\%]+)(.(r|b|h)([0-9]*))?$/i) { |
151 |
if(defined($channelName)) |
$channelName = $1; |
152 |
{ |
$channels->{$channelName}->{'startIndex'} = undef; |
153 |
if(defined($startIndex) && defined($backtrack)) |
if ($3) { |
154 |
{ |
$offset = $4; |
155 |
$self->emitHeader("404 Cannot use both 'restartfrom' and 'backtrack'"); |
if ($3 eq 'r') { $channels->{$channelName}->{'startIndex'} = $offset; } |
156 |
$self->close(); |
if ($3 eq 'b') { $channels->{$channelName}->{'startIndex'} = -$offset; } |
157 |
|
if ($3 eq 'h') { $channels->{$channelName}->{'startIndex'} = 0; } |
|
return; |
|
|
} |
|
|
|
|
|
$startIndex=-$backtrack if(!defined($startIndex) && defined($backtrack)); |
|
|
$channels->{$channelName}->{'startIndex'}=$startIndex; |
|
|
|
|
|
$startIndex=undef; |
|
|
$backtrack=undef; |
|
|
} |
|
|
$channelName=$1; |
|
|
} |
|
|
elsif($formElement=~/^restartfrom=(\d*)$/) |
|
|
{ |
|
|
$startIndex=$1; |
|
|
$startIndex='' unless(defined($startIndex)); |
|
|
} |
|
|
elsif($formElement=~/^backtrack=(\d+)$/) |
|
|
{ |
|
|
$backtrack=$1; |
|
|
$backtrack=0 unless(defined($backtrack)); |
|
|
} |
|
|
elsif($formElement=~/^persist=(?i)(yes|true|1|no|false|0)$/) |
|
|
{ |
|
|
$persist=0 if($1=~/(no|false|0)/i); |
|
|
} |
|
|
elsif($formElement=~/^id=(.+)$/) |
|
|
{ |
|
|
$subscriberID=$1; |
|
|
} |
|
|
elsif($formElement=~/^maxmessages=(\d+)$/i) |
|
|
{ |
|
|
$self->{'MaxMessageCount'}=$1; |
|
|
} |
|
|
elsif($formElement=~/^template=(\d+)$/i) |
|
|
{ |
|
|
$self->{'HeaderTemplateNumber'}=$1; |
|
|
} |
|
|
elsif($formElement=~/^maxtime=(\d+)$/i) |
|
|
{ |
|
|
my $clientRequest=$1; |
|
|
my $serverDefault=$::CONF{'MaxTime'}; |
|
|
|
|
|
if($serverDefault==0 || $serverDefault>$clientRequest) |
|
|
{ |
|
|
$self->{'ConnectionTimeLimit'}=$self->{'ConnectionStart'}+$clientRequest; |
|
158 |
} |
} |
159 |
} |
} |
160 |
} |
} |
161 |
|
my $useragent = ($self->{'headerBuffer'}=~/User-Agent: (.+)/i) ? $1 : "-"; |
|
if(defined($channelName)) |
|
|
{ |
|
|
if(defined($startIndex) && defined($backtrack)) |
|
|
{ |
|
|
$self->emitHeader("404 Cannot use both 'restartfrom' and 'backtrack'"); |
|
|
$self->close(); |
|
|
|
|
|
return; |
|
|
} |
|
|
|
|
|
$startIndex=-$backtrack if(!defined($startIndex) && defined($backtrack)); |
|
|
$channels->{$channelName}->{'startIndex'}=$startIndex; |
|
|
} |
|
162 |
|
|
163 |
delete($self->{'headerBuffer'}); |
delete($self->{'headerBuffer'}); |
164 |
|
|
165 |
if(defined($subscriberID) && $persist) |
if ($persist) { |
166 |
{ |
$self->deleteSubscriberWithID($self->{'subscriberID'}); |
167 |
$self->{'subscriberID'}=$subscriberID; |
$PersistentConnections{$self->{'subscriberID'}}=$self; |
|
$self->deleteSubscriberWithID($subscriberID); |
|
|
$PersistentConnections{$subscriberID}=$self; |
|
168 |
} |
} |
169 |
|
|
170 |
if(scalar(keys %{$channels})) |
if(scalar(keys %{$channels})) { |
171 |
{ |
|
172 |
|
$self->{'channelinfo'} = ''; |
173 |
|
my $citemplate = $self->getConf('ChannelInfoTemplate'); |
174 |
|
foreach $channelName (keys %{$channels}) { |
175 |
|
my $channel=Meteor::Channel->channelWithName($channelName); |
176 |
|
$self->{'channels'}->{$channelName}=$channel; |
177 |
|
$self->{'channelinfo'} .= $channel->descriptionWithTemplate($citemplate); |
178 |
|
|
179 |
|
} |
180 |
$self->emitOKHeader(); |
$self->emitOKHeader(); |
181 |
|
foreach $channelName (keys %{$channels}) { |
182 |
$self->setChannels($channels,$persist); |
my $startIndex=$channels->{$channelName}->{'startIndex'}; |
183 |
|
$self->{'channels'}->{$channelName}->addSubscriber($self,$startIndex,$persist,$self->{'mode'},$useragent); |
184 |
$self->close(1) unless($persist); |
} |
185 |
|
delete ($self->{'channels'}) unless($persist); |
186 |
|
$self->close(1, 'responseComplete') unless($persist); |
187 |
return; |
return; |
188 |
} |
} |
189 |
} |
} |
190 |
|
elsif($self->{'headerBuffer'}=~/GET\s+\/disconnect\/(\S+)/) |
191 |
|
{ |
192 |
|
$self->deleteSubscriberWithID($1); |
193 |
|
$self->emitOKHeader(); |
194 |
|
$self->close(1, 'disconnectRequested'); |
195 |
|
return; |
196 |
|
} |
197 |
elsif($self->{'headerBuffer'}=~/GET\s+([^\s\?]+)/) |
elsif($self->{'headerBuffer'}=~/GET\s+([^\s\?]+)/) |
198 |
{ |
{ |
199 |
Meteor::Document->serveFileToClient($1,$self); |
Meteor::Document->serveFileToClient($1,$self); |
200 |
|
$self->close(1, 'responseComplete'); |
|
$self->close(1); |
|
|
|
|
201 |
return; |
return; |
202 |
} |
} |
203 |
|
|
208 |
} |
} |
209 |
} |
} |
210 |
|
|
|
sub setChannels { |
|
|
my $self=shift; |
|
|
my $channels=shift; |
|
|
my $persist=shift; |
|
|
|
|
|
foreach my $channelName (keys %{$channels}) |
|
|
{ |
|
|
my $startIndex=$channels->{$channelName}->{'startIndex'}; |
|
|
|
|
|
my $channel=Meteor::Channel->channelWithName($channelName); |
|
|
|
|
|
$self->{'channels'}->{$channelName}=$channel if($persist); |
|
|
|
|
|
$channel->addSubscriber($self,$startIndex,$persist); |
|
|
} |
|
|
} |
|
|
|
|
211 |
sub emitOKHeader { |
sub emitOKHeader { |
212 |
my $self=shift; |
my $self=shift; |
213 |
|
|
221 |
$::Statistics->{'errors_served'}++; |
$::Statistics->{'errors_served'}++; |
222 |
|
|
223 |
# close up shop here! |
# close up shop here! |
224 |
$self->close(); |
$self->close(0, 'error'); |
225 |
} |
} |
226 |
|
|
227 |
sub emitHeader { |
sub emitHeader { |
228 |
my $self=shift; |
my $self=shift; |
229 |
my $status=shift; |
my $status=shift; |
230 |
|
|
231 |
my $header=undef; |
my $header=$self->getConf('HeaderTemplate'); |
|
if(exists($self->{'HeaderTemplateNumber'})) |
|
|
{ |
|
|
my $hn='HeaderTemplate'.$self->{'HeaderTemplateNumber'}; |
|
|
|
|
|
$header=$::CONF{$hn}; |
|
|
} |
|
|
$header=$::CONF{'HeaderTemplate'} unless(defined($header)); |
|
232 |
|
|
233 |
$header=~s/~([^~]+)~/ |
$header=~s/~([^~]*)~/ |
234 |
if(!defined($1) || $1 eq '') |
if(!defined($1) || $1 eq '') { |
|
{ |
|
235 |
'~'; |
'~'; |
236 |
} |
} elsif($1 eq 'server') { |
|
elsif($1 eq 'server') |
|
|
{ |
|
237 |
$::PGM; |
$::PGM; |
238 |
} |
} elsif($1 eq 'status') { |
|
elsif($1 eq 'status') |
|
|
{ |
|
239 |
$status; |
$status; |
240 |
} |
} elsif($1 eq 'servertime') { |
|
elsif($1 eq 'servertime') |
|
|
{ |
|
241 |
time; |
time; |
242 |
} |
} elsif($1 eq 'channelinfo') { |
243 |
else |
$self->{'channelinfo'}; |
244 |
{ |
} else { |
245 |
''; |
''; |
246 |
} |
} |
247 |
/gex; |
/gex; |
249 |
$self->write($header); |
$self->write($header); |
250 |
} |
} |
251 |
|
|
252 |
sub sendMessage { |
sub sendMessages { |
253 |
my $self=shift; |
my $self=shift; |
|
my $msg=shift; |
|
|
my $numMsgInThisBatch=shift; |
|
254 |
|
|
255 |
$numMsgInThisBatch=1 unless(defined($numMsgInThisBatch)); |
my $numMessages=0; |
256 |
|
my $msgTemplate=$self->getConf('MessageTemplate'); |
257 |
|
my $msgData=''; |
258 |
|
|
259 |
$self->write($msg); |
foreach my $message (@_) |
260 |
|
{ |
261 |
|
$msgData.=$message->messageWithTemplate($msgTemplate); |
262 |
|
$numMessages++; |
263 |
|
} |
264 |
|
|
265 |
|
return if($numMessages<1); |
266 |
|
|
267 |
$::Statistics->{'messages_served'}+=$numMsgInThisBatch; |
$self->write($msgData); |
268 |
|
|
269 |
my $msgCount=++$self->{'MessageCount'}; |
$::Statistics->{'messages_served'}+=$numMessages; |
270 |
|
|
271 |
my $maxMsg=$::CONF{'MaxMessages'}; |
my $msgCount=$self->{'MessageCount'}; |
272 |
|
$msgCount+=$numMessages; |
273 |
|
$self->{'MessageCount'}=$msgCount; |
274 |
|
|
275 |
|
my $maxMsg=$self->getConf('MaxMessages'); |
276 |
if(defined($maxMsg) && $maxMsg>0 && $msgCount>=$maxMsg) |
if(defined($maxMsg) && $maxMsg>0 && $msgCount>=$maxMsg) |
277 |
{ |
{ |
278 |
$self->close(1); |
$self->close(1, 'maxMessageCountReached'); |
279 |
} |
} |
280 |
|
|
281 |
if($self->{'MaxMessageCount'}>0 && $msgCount>=$self->{'MaxMessageCount'}) |
if($self->{'MaxMessageCount'}>0 && $msgCount>=$self->{'MaxMessageCount'}) |
282 |
{ |
{ |
283 |
$self->close(1); |
$self->close(1, 'maxMessageCountReached'); |
284 |
} |
} |
285 |
|
|
286 |
|
} |
287 |
|
|
288 |
|
sub ping { |
289 |
|
my $self=shift; |
290 |
|
my $msg=$self->getConf('PingMessage'); |
291 |
|
|
292 |
|
$self->write($msg); |
293 |
} |
} |
294 |
|
|
295 |
sub closeChannel { |
sub closeChannel { |
299 |
return unless(exists($self->{'channels'}->{$channelName})); |
return unless(exists($self->{'channels'}->{$channelName})); |
300 |
|
|
301 |
my $channel=$self->{'channels'}->{$channelName}; |
my $channel=$self->{'channels'}->{$channelName}; |
302 |
$channel->removeSubscriber($self); |
$channel->removeSubscriber($self,'channelClose'); |
303 |
|
|
304 |
delete($self->{'channels'}->{$channelName}); |
delete($self->{'channels'}->{$channelName}); |
305 |
|
|
306 |
$self->close() if(scalar(keys %{$self->{'channels'}})==0); |
$self->close(0,'channelClose') if(scalar(keys %{$self->{'channels'}})==0); |
307 |
} |
} |
308 |
|
|
309 |
sub close { |
sub close { |
310 |
my $self=shift; |
my $self=shift; |
311 |
my $noShutdownMsg=shift; |
my $noShutdownMsg=shift; |
312 |
|
my $reason=shift; |
313 |
|
|
314 |
foreach my $channelName (keys %{$self->{'channels'}}) |
foreach my $channelName (keys %{$self->{'channels'}}) |
315 |
{ |
{ |
316 |
my $channel=$self->{'channels'}->{$channelName}; |
my $channel=$self->{'channels'}->{$channelName}; |
317 |
$channel->removeSubscriber($self); |
$channel->removeSubscriber($self,$reason); |
318 |
} |
} |
319 |
delete($self->{'channels'}); |
delete($self->{'channels'}); |
320 |
|
|
321 |
if(exists($self->{'subscriberID'})) |
# If this connection is in the PersistentConnections array, delete it, then anonymise |
322 |
{ |
# it so that if we have to wait for the write buffer to empty before close, it's only |
323 |
|
# removed once. |
324 |
|
if(exists($self->{'subscriberID'})) { |
325 |
delete($PersistentConnections{$self->{'subscriberID'}}); |
delete($PersistentConnections{$self->{'subscriberID'}}); |
326 |
|
delete($self->{'subscriberID'}); |
327 |
} |
} |
328 |
|
|
|
# |
|
329 |
# Send shutdown message unless remote closed or |
# Send shutdown message unless remote closed or |
330 |
# connection not yet established |
# connection not yet established |
|
# |
|
331 |
unless($noShutdownMsg || $self->{'remoteClosed'} || exists($self->{'headerBuffer'})) |
unless($noShutdownMsg || $self->{'remoteClosed'} || exists($self->{'headerBuffer'})) |
332 |
{ |
{ |
333 |
my $msg=$::CONF{'SubscriberShutdownMsg'}; |
my $msg=$self->getConf('SubscriberShutdownMsg'); |
334 |
if(defined($msg) && $msg ne '') |
if(defined($msg) && $msg ne '') |
335 |
{ |
{ |
336 |
$self->write($msg); |
$self->write($msg); |
337 |
} |
} |
338 |
} |
} |
339 |
|
|
|
$::Statistics->{'current_subscribers'}--; |
|
|
|
|
340 |
$self->SUPER::close(); |
$self->SUPER::close(); |
341 |
} |
} |
342 |
|
|
343 |
|
sub didClose { |
344 |
|
|
345 |
|
$::Statistics->{'current_subscribers'}--; |
346 |
|
} |
347 |
|
|
348 |
sub checkForMaxTime { |
sub checkForMaxTime { |
349 |
my $self=shift; |
my $self=shift; |
350 |
my $time=shift; |
my $time=shift; |
351 |
|
|
352 |
$self->close(1) if(exists($self->{'ConnectionTimeLimit'}) && $self->{'ConnectionTimeLimit'}<$time); |
$self->close(1,'maxTime') if(exists($self->{'ConnectionTimeLimit'}) && $self->{'ConnectionTimeLimit'}<$time); |
353 |
|
} |
354 |
|
|
355 |
|
sub getConf { |
356 |
|
my $self=shift; |
357 |
|
my $key=shift; |
358 |
|
|
359 |
|
if(exists($self->{'mode'}) && $self->{'mode'} ne '') |
360 |
|
{ |
361 |
|
my $k=$key.$self->{'mode'}; |
362 |
|
|
363 |
|
if(exists($::CONF{$k})) { |
364 |
|
return $::CONF{$k}; |
365 |
|
} |
366 |
|
} |
367 |
|
|
368 |
|
$::CONF{$key}; |
369 |
} |
} |
370 |
|
|
371 |
1; |
1; |