43 |
@Meteor::Subscriber::ISA=qw(Meteor::Connection); |
@Meteor::Subscriber::ISA=qw(Meteor::Connection); |
44 |
|
|
45 |
our %PersistentConnections=(); |
our %PersistentConnections=(); |
46 |
|
our $NumAcceptedConnections=0; |
47 |
|
|
48 |
|
|
49 |
############################################################################### |
############################################################################### |
50 |
# Factory methods |
# Factory methods |
65 |
$self->{'ConnectionTimeLimit'}=$self->{'ConnectionStart'}+$maxTime; |
$self->{'ConnectionTimeLimit'}=$self->{'ConnectionStart'}+$maxTime; |
66 |
} |
} |
67 |
|
|
68 |
|
$::Statistics->{'current_subscribers'}++; |
69 |
|
$::Statistics->{'subscriber_connections_accepted'}++; |
70 |
|
|
71 |
$self; |
$self; |
72 |
} |
} |
73 |
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|
80 |
|
|
81 |
if(exists($PersistentConnections{$id})) |
if(exists($PersistentConnections{$id})) |
82 |
{ |
{ |
83 |
$PersistentConnections{$id}->close(1); |
$PersistentConnections{$id}->close(); |
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 { |
101 |
map { $_->checkForMaxTime($time) } @cons; |
map { $_->checkForMaxTime($time) } @cons; |
102 |
} |
} |
103 |
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|
104 |
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sub numSubscribers { |
105 |
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|
106 |
|
return scalar(keys %PersistentConnections); |
107 |
|
} |
108 |
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|
109 |
############################################################################### |
############################################################################### |
110 |
# Instance methods |
# Instance methods |
111 |
############################################################################### |
############################################################################### |
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]+)\/(\S+)/i) |
138 |
{ |
{ |
139 |
my @formData=split('&',$1); |
my $subscriberID=$1; |
140 |
my $channelName=undef; |
$self->{'mode'}=$2; |
141 |
my $startIndex=undef; |
my $persist=$self->getConf('Persist'); |
142 |
my $backtrack=undef; |
|
143 |
my $persist=1; |
if ($self->{'mode'} eq "xhrinteractive" || $self->{'mode'} eq "iframe" || $self->{'mode'} eq "serversent" || $self->{'mode'} eq "longpoll") { |
144 |
my $subscriberID=undef; |
$persist=1; |
145 |
foreach my $formElement (@formData) |
$self->{'MaxMessageCount'}=1 unless(!($self->{'mode'} eq "longpoll")); |
146 |
|
} |
147 |
|
if ($self->{'mode'} eq "iframe") { |
148 |
|
$self->{'HeaderTemplateNumber'}=1; |
149 |
|
} else { |
150 |
|
$self->{'HeaderTemplateNumber'}=2; |
151 |
|
} |
152 |
|
|
153 |
|
my $maxTime=$self->getConf('MaxTime'); |
154 |
|
if($maxTime>0) |
155 |
{ |
{ |
156 |
if($formElement=~/^channel=(.+)$/) |
$self->{'ConnectionTimeLimit'}=$self->{'ConnectionStart'}+$maxTime; |
157 |
{ |
} |
158 |
$channelName=$1; |
|
159 |
} |
my @channelData=split('/',$3); |
160 |
elsif($formElement=~/^restartfrom=(\d*)$/) |
my $channels={}; |
161 |
{ |
my $channelName; |
162 |
$startIndex=$1; |
my $offset; |
163 |
$startIndex='' unless(defined($startIndex)); |
foreach my $chandef (@channelData) { |
164 |
} |
if($chandef=~/^([a-z0-9]+)(.(r|b|h)([0-9]*))?$/i) { |
165 |
elsif($formElement=~/^backtrack=(\d+)$/) |
$channelName = $1; |
166 |
{ |
$channels->{$channelName}->{'startIndex'} = undef; |
167 |
$backtrack=$1; |
if ($3) { |
168 |
$backtrack=0 unless(defined($backtrack)); |
$offset = $4; |
169 |
} |
if ($3 eq 'r') { $channels->{$channelName}->{'startIndex'} = $offset; } |
170 |
elsif($formElement=~/^persist=(?i)(yes|true|1|no|false|0)$/) |
if ($3 eq 'b') { $channels->{$channelName}->{'startIndex'} = -$offset; } |
171 |
{ |
if ($3 eq 'h') { $channels->{$channelName}->{'startIndex'} = 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'}+$clientRequest; |
|
172 |
} |
} |
173 |
} |
} |
174 |
} |
} |
|
|
|
|
delete($self->{'headerBuffer'}); |
|
175 |
|
|
176 |
if(defined($startIndex) && defined($backtrack)) |
delete($self->{'headerBuffer'}); |
|
{ |
|
|
$self->emitHeader("404 Cannot use both 'restartfrom' and 'backtrack'"); |
|
|
$self->close(); |
|
|
|
|
|
return; |
|
|
} |
|
177 |
|
|
178 |
if(defined($subscriberID) && $persist) |
if($persist) |
179 |
{ |
{ |
180 |
$self->{'subscriberID'}=$subscriberID; |
$self->{'subscriberID'}=$subscriberID; |
181 |
$self->deleteSubscriberWithID($subscriberID); |
$self->deleteSubscriberWithID($subscriberID); |
182 |
$PersistentConnections{$subscriberID}=$self; |
$PersistentConnections{$subscriberID}=$self; |
183 |
} |
} |
184 |
|
|
185 |
if(defined($channelName)) |
if(scalar(keys %{$channels})) |
186 |
{ |
{ |
187 |
$self->emitOKHeader(); |
$self->emitOKHeader(); |
188 |
|
$self->setChannels($channels,$persist,$self->{'mode'},''); |
|
$startIndex=-$backtrack if(!defined($startIndex) && defined($backtrack)); |
|
|
|
|
|
$self->setChannelName($channelName,$startIndex,$persist); |
|
|
|
|
189 |
$self->close(1) unless($persist); |
$self->close(1) unless($persist); |
|
|
|
190 |
return; |
return; |
191 |
} |
} |
192 |
} |
} |
193 |
|
elsif($self->{'headerBuffer'}=~/GET\s+\/disconnect\/(\S+)/) |
194 |
|
{ |
195 |
|
$self->deleteSubscriberWithID($1); |
196 |
|
$self->emitOKHeader(); |
197 |
|
$self->close(1); |
198 |
|
return; |
199 |
|
} |
200 |
elsif($self->{'headerBuffer'}=~/GET\s+([^\s\?]+)/) |
elsif($self->{'headerBuffer'}=~/GET\s+([^\s\?]+)/) |
201 |
{ |
{ |
202 |
Meteor::Document->serveFileToClient($1,$self); |
Meteor::Document->serveFileToClient($1,$self); |
|
|
|
203 |
$self->close(1); |
$self->close(1); |
|
|
|
204 |
return; |
return; |
205 |
} |
} |
206 |
|
|
211 |
} |
} |
212 |
} |
} |
213 |
|
|
214 |
sub setChannelName { |
sub setChannels { |
215 |
my $self=shift; |
my $self=shift; |
216 |
my $channelName=shift; |
my $channels=shift; |
|
my $startIndex=shift; |
|
217 |
my $persist=shift; |
my $persist=shift; |
218 |
|
my $mode=shift || ''; |
219 |
|
my $userAgent=shift || ''; |
220 |
|
|
221 |
my $channel=Meteor::Channel->channelWithName($channelName); |
foreach my $channelName (keys %{$channels}) |
222 |
$self->{'channel'}=$channel if($persist); |
{ |
223 |
|
my $startIndex=$channels->{$channelName}->{'startIndex'}; |
224 |
$channel->addSubscriber($self,$startIndex,$persist); |
|
225 |
|
my $channel=Meteor::Channel->channelWithName($channelName); |
226 |
|
|
227 |
|
$self->{'channels'}->{$channelName}=$channel if($persist); |
228 |
|
|
229 |
|
$channel->addSubscriber($self,$startIndex,$persist,$mode,$userAgent); |
230 |
|
} |
231 |
} |
} |
232 |
|
|
233 |
sub emitOKHeader { |
sub emitOKHeader { |
240 |
my $self=shift; |
my $self=shift; |
241 |
|
|
242 |
$self->emitHeader('404 Not Found'); |
$self->emitHeader('404 Not Found'); |
243 |
|
$::Statistics->{'errors_served'}++; |
244 |
|
|
245 |
# close up shop here! |
# close up shop here! |
246 |
$self->close(); |
$self->close(); |
255 |
{ |
{ |
256 |
my $hn='HeaderTemplate'.$self->{'HeaderTemplateNumber'}; |
my $hn='HeaderTemplate'.$self->{'HeaderTemplateNumber'}; |
257 |
|
|
258 |
$header=$::CONF{$hn}; |
$header=$self->getConf($hn); |
259 |
} |
} |
260 |
$header=$::CONF{'HeaderTemplate'} unless(defined($header)); |
$header=$self->getConf('HeaderTemplate') unless(defined($header)); |
261 |
|
|
262 |
$header=~s/~([^~]+)~/ |
$header=~s/~([^~]*)~/ |
263 |
if(!defined($1) || $1 eq '') |
if(!defined($1) || $1 eq '') |
264 |
{ |
{ |
265 |
'~'; |
'~'; |
276 |
{ |
{ |
277 |
time; |
time; |
278 |
} |
} |
279 |
|
elsif($1 eq 'channelinfo') |
280 |
|
{ |
281 |
|
Meteor::Channel->listChannelsUsingTemplate($self->getConf('ChannelInfoTemplate')); |
282 |
|
} |
283 |
else |
else |
284 |
{ |
{ |
285 |
''; |
''; |
289 |
$self->write($header); |
$self->write($header); |
290 |
} |
} |
291 |
|
|
292 |
sub sendMessage { |
sub sendMessages { |
293 |
my $self=shift; |
my $self=shift; |
|
my $msg=shift; |
|
294 |
|
|
295 |
$self->write($msg); |
my $numMessages=0; |
296 |
|
my $msgTemplate=$self->getConf('Messagetemplate'); |
297 |
|
my $msgData=''; |
298 |
|
|
299 |
|
foreach my $message (@_) |
300 |
|
{ |
301 |
|
$msgData.=$message->messageWithTemplate($msgTemplate); |
302 |
|
$numMessages++; |
303 |
|
} |
304 |
|
|
305 |
my $msgCount=++$self->{'MessageCount'}; |
return if($numMessages<1); |
306 |
|
|
307 |
my $maxMsg=$::CONF{'MaxMessages'}; |
$self->write($msgData); |
308 |
|
|
309 |
|
$::Statistics->{'messages_served'}+=$numMessages; |
310 |
|
|
311 |
|
my $msgCount=$self->{'MessageCount'}; |
312 |
|
$msgCount+=$numMessages; |
313 |
|
$self->{'MessageCount'}=$msgCount; |
314 |
|
|
315 |
|
my $maxMsg=$self->getConf('MaxMessages'); |
316 |
if(defined($maxMsg) && $maxMsg>0 && $msgCount>=$maxMsg) |
if(defined($maxMsg) && $maxMsg>0 && $msgCount>=$maxMsg) |
317 |
{ |
{ |
318 |
$self->close(1); |
$self->close(1); |
322 |
{ |
{ |
323 |
$self->close(1); |
$self->close(1); |
324 |
} |
} |
325 |
|
|
326 |
|
} |
327 |
|
|
328 |
|
sub ping { |
329 |
|
my $self=shift; |
330 |
|
my $msg=$self->getConf('PingMessage'); |
331 |
|
|
332 |
|
$self->write($msg); |
333 |
|
} |
334 |
|
|
335 |
|
sub closeChannel { |
336 |
|
my $self=shift; |
337 |
|
my $channelName=shift; |
338 |
|
|
339 |
|
return unless(exists($self->{'channels'}->{$channelName})); |
340 |
|
|
341 |
|
my $channel=$self->{'channels'}->{$channelName}; |
342 |
|
$channel->removeSubscriber($self,'channelClose'); |
343 |
|
|
344 |
|
delete($self->{'channels'}->{$channelName}); |
345 |
|
|
346 |
|
$self->close(0,'channelsClosed') if(scalar(keys %{$self->{'channels'}})==0); |
347 |
} |
} |
348 |
|
|
349 |
sub close { |
sub close { |
350 |
my $self=shift; |
my $self=shift; |
351 |
my $noShutdownMsg=shift; |
my $noShutdownMsg=shift; |
352 |
|
|
353 |
$self->{'channel'}->removeSubscriber($self) if($self->{'channel'}); |
foreach my $channelName (keys %{$self->{'channels'}}) |
354 |
delete($self->{'channel'}); |
{ |
355 |
|
my $channel=$self->{'channels'}->{$channelName}; |
356 |
|
$channel->removeSubscriber($self,'subscriberClose'); |
357 |
|
} |
358 |
|
delete($self->{'channels'}); |
359 |
|
|
360 |
if(exists($self->{'subscriberID'})) |
if(exists($self->{'subscriberID'})) |
361 |
{ |
{ |
368 |
# |
# |
369 |
unless($noShutdownMsg || $self->{'remoteClosed'} || exists($self->{'headerBuffer'})) |
unless($noShutdownMsg || $self->{'remoteClosed'} || exists($self->{'headerBuffer'})) |
370 |
{ |
{ |
371 |
my $msg=$::CONF{'SubscriberShutdownMsg'}; |
my $msg=$self->getConf('SubscriberShutdownMsg'); |
372 |
if(defined($msg) && $msg ne '') |
if(defined($msg) && $msg ne '') |
373 |
{ |
{ |
374 |
$self->write($msg); |
$self->write($msg); |
378 |
$self->SUPER::close(); |
$self->SUPER::close(); |
379 |
} |
} |
380 |
|
|
381 |
|
sub didClose { |
382 |
|
|
383 |
|
$::Statistics->{'current_subscribers'}--; |
384 |
|
} |
385 |
|
|
386 |
sub checkForMaxTime { |
sub checkForMaxTime { |
387 |
my $self=shift; |
my $self=shift; |
388 |
my $time=shift; |
my $time=shift; |
390 |
$self->close(1) if(exists($self->{'ConnectionTimeLimit'}) && $self->{'ConnectionTimeLimit'}<$time); |
$self->close(1) if(exists($self->{'ConnectionTimeLimit'}) && $self->{'ConnectionTimeLimit'}<$time); |
391 |
} |
} |
392 |
|
|
393 |
|
sub getConf { |
394 |
|
my $self=shift; |
395 |
|
my $key=shift; |
396 |
|
|
397 |
|
if(exists($self->{'mode'}) && $self->{'mode'} ne '') |
398 |
|
{ |
399 |
|
my $k=$key.'.'.$self->{'mode'}; |
400 |
|
|
401 |
|
return $::CONF{$k} if(exists($::CONF{$k})); |
402 |
|
} |
403 |
|
|
404 |
|
$::CONF{$key}; |
405 |
|
} |
406 |
|
|
407 |
1; |
1; |
408 |
############################################################################EOF |
############################################################################EOF |