src/perlmods/OpenSRF/AppSession.pm

   1 package OpenSRF::AppSession;
   2 use OpenSRF::DOM;
   3 #use OpenSRF::DOM::Element::userAuth;
   4 use OpenSRF::DomainObject::oilsMessage;
   5 use OpenSRF::DomainObject::oilsMethod;
   6 use OpenSRF::DomainObject::oilsResponse qw/:status/;
   7 use OpenSRF::Transport::PeerHandle;
   8 use OpenSRF::Utils::Logger qw(:level);
   9 use OpenSRF::Utils::SettingsClient;
  10 use OpenSRF::Utils::Config;
  11 use OpenSRF::EX;
  12 use OpenSRF;
  13 use Exporter;
  14 use base qw/Exporter OpenSRF/;
  15 use Time::HiRes qw( time usleep );
  16 use warnings;
  17 use strict;
  18
  19 our @EXPORT_OK = qw/CONNECTING INIT_CONNECTED CONNECTED DISCONNECTED CLIENT SERVER/;
  20 our %EXPORT_TAGS = ( state => [ qw/CONNECTING INIT_CONNECTED CONNECTED DISCONNECTED/ ],
  21                  endpoint => [ qw/CLIENT SERVER/ ],
  22 );
  23
  24 my $logger = "OpenSRF::Utils::Logger";
  25
  26 our %_CACHE;
  27 our @_RESEND_QUEUE;
  28
  29 sub CONNECTING { return 3 };
  30 sub INIT_CONNECTED { return 4 };
  31 sub CONNECTED { return 1 };
  32 sub DISCONNECTED { return 2 };
  33
  34 sub CLIENT { return 2 };
  35 sub SERVER { return 1 };
  36
  37 sub find {
  38         return undef unless (defined $_[1]);
  39         return $_CACHE{$_[1]} if (exists($_CACHE{$_[1]}));
  40 }
  41
  42 sub transport_connected {
  43         my $self = shift;
  44         if( ! exists $self->{peer_handle} || ! $self->{peer_handle} ) {
  45                 return 0;
  46         }
  47         return $self->{peer_handle}->tcp_connected();
  48 }
  49
  50 sub connected {
  51         my $self = shift;
  52         return $self->state == CONNECTED;
  53 }
  54 # ----------------------------------------------------------------------------
  55 # Clears the transport buffers
  56 # call this if you are not through with the sesssion, but you want
  57 # to have a clean slate.  You shouldn't have to call this if
  58 # you are correctly 'recv'ing all of the data from a request.
  59 # however, if you don't want all of the data, this will
  60 # slough off any excess
  61 #  * * Note: This will delete data for all sessions using this transport
  62 # handle.  For example, all client sessions use the same handle.
  63 # ----------------------------------------------------------------------------
  64 sub buffer_reset {
  65
  66         my $self = shift;
  67         if( ! exists $self->{peer_handle} || ! $self->{peer_handle} ) {
  68                 return 0;
  69         }
  70         $self->{peer_handle}->buffer_reset();
  71 }
  72
  73
  74 # when any incoming data is received, this method is called.
  75 sub server_build {
  76         my $class = shift;
  77         $class = ref($class) || $class;
  78
  79         my $sess_id = shift;
  80         my $remote_id = shift;
  81         my $service = shift;
  82
  83         warn "Missing args to server_build():\n" .
  84                 "sess_id: $sess_id, remote_id: $remote_id, service: $service\n"
  85                 unless ($sess_id and $remote_id and $service);
  86
  87         return undef unless ($sess_id and $remote_id and $service);
  88
  89         if ( my $thingy = $class->find($sess_id) ) {
  90                 $thingy->remote_id( $remote_id );
  91                 return $thingy;
  92         }
  93
  94         if( $service eq "client" ) {
  95                 #throw OpenSRF::EX::PANIC ("Attempting to build a client session as a server" .
  96                 #       " Session ID [$sess_id], remote_id [$remote_id]");
  97
  98                 warn "Attempting to build a client session as ".
  99                                 "a server Session ID [$sess_id], remote_id [$remote_id]";
 100
 101                 $logger->debug("Attempting to build a client session as ".
 102                                 "a server Session ID [$sess_id], remote_id [$remote_id]", ERROR );
 103
 104                 return undef;
 105         }
 106
 107         my $config_client = OpenSRF::Utils::SettingsClient->new();
 108         my $stateless = $config_client->config_value("apps", $service, "stateless");
 109
 110         #my $max_requests = $conf->$service->max_requests;
 111         my $max_requests        = $config_client->config_value("apps",$service,"max_requests");
 112         $logger->debug( "Max Requests for $service is $max_requests", INTERNAL ) if (defined $max_requests);
 113
 114         $logger->transport( "AppSession creating new session: $sess_id", INTERNAL );
 115
 116         my $self = bless { recv_queue  => [],
 117                            request_queue  => [],
 118                            requests  => 0,
 119                            session_data  => {},
 120                            callbacks  => {},
 121                            endpoint    => SERVER,
 122                            state       => CONNECTING,
 123                            session_id  => $sess_id,
 124                            remote_id    => $remote_id,
 125                                 peer_handle => OpenSRF::Transport::PeerHandle->retrieve($service),
 126                                 max_requests => $max_requests,
 127                                 session_threadTrace => 0,
 128                                 service => $service,
 129                                 stateless => $stateless,
 130                          } => $class;
 131
 132         return $_CACHE{$sess_id} = $self;
 133 }
 134
 135 sub session_data {
 136         my $self = shift;
 137         my ($name, $datum) = @_;
 138
 139         $self->{session_data}->{$name} = $datum if (defined $datum);
 140         return $self->{session_data}->{$name};
 141 }
 142
 143 sub service { return shift()->{service}; }
 144
 145 sub continue_request {
 146         my $self = shift;
 147         $self->{'requests'}++;
 148         return 1 if (!$self->{'max_requests'});
 149         return $self->{'requests'} <= $self->{'max_requests'} ? 1 : 0;
 150 }
 151
 152 sub last_sent_payload {
 153         my( $self, $payload ) = @_;
 154         if( $payload ) {
 155                 return $self->{'last_sent_payload'} = $payload;
 156         }
 157         return $self->{'last_sent_payload'};
 158 }
 159
 160 sub last_sent_type {
 161         my( $self, $type ) = @_;
 162         if( $type ) {
 163                 return $self->{'last_sent_type'} = $type;
 164         }
 165         return $self->{'last_sent_type'};
 166 }
 167
 168 sub get_app_targets {
 169         my $app = shift;
 170
 171         my $conf = OpenSRF::Utils::Config->current;
 172         my $router_name = $conf->bootstrap->router_name || 'router';
 173         my $routers = $conf->bootstrap->domains;
 174
 175         unless($router_name and $routers) {
 176                 throw OpenSRF::EX::Config
 177                         ("Missing router config information 'router_name' and 'routers'");
 178         }
 179
 180         my @targets;
 181         for my $router (@$routers) {
 182                 push @targets, "$router_name\@$router/$app";
 183         }
 184
 185         return @targets;
 186 }
 187
 188 sub stateless {
 189         my $self = shift;
 190         my $state = shift;
 191         $self->{stateless} = $state if (defined $state);
 192         return $self->{stateless};
 193 }
 194
 195 # When we're a client and we want to connect to a remote service
 196 # create( $app, username => $user, secret => $passwd );
 197 #    OR
 198 # create( $app, sysname => $user, secret => $shared_secret );
 199 sub create {
 200         my $class = shift;
 201         $class = ref($class) || $class;
 202
 203         my $app = shift;
 204         my $api_level = shift;
 205         my $quiet = shift;
 206
 207         $api_level = 1 if (!defined($api_level));
 208
 209         $logger->debug( "AppSession creating new client session for $app", DEBUG );
 210
 211         my $stateless = 0;
 212         my $c = OpenSRF::Utils::SettingsClient->new();
 213         # we can get an infinite loop if we're grabbing the settings and we
 214         # need the settings to grab the settings...
 215         if($app ne "opensrf.settings" || $c->has_config()) {
 216                 $stateless = $c->config_value("apps", $app, "stateless");
 217         }
 218
 219         my $sess_id = time . rand( $$ );
 220         while ( $class->find($sess_id) ) {
 221                 $sess_id = time . rand( $$ );
 222         }
 223
 224
 225         my ($r_id) = get_app_targets($app);
 226
 227         my $peer_handle = OpenSRF::Transport::PeerHandle->retrieve("client");
 228         if( ! $peer_handle ) {
 229                 $peer_handle = OpenSRF::Transport::PeerHandle->retrieve("system_client");
 230         }
 231
 232         my $self = bless { app_name    => $app,
 233                                 #client_auth => $auth,
 234                            #recv_queue  => [],
 235                            request_queue  => [],
 236                            endpoint    => CLIENT,
 237                            state       => DISCONNECTED,#since we're init'ing
 238                            session_id  => $sess_id,
 239                            remote_id   => $r_id,
 240                            raise_error   => $quiet ? 0 : 1,
 241                            api_level   => $api_level,
 242                            orig_remote_id   => $r_id,
 243                                 peer_handle => $peer_handle,
 244                                 session_threadTrace => 0,
 245                                 stateless               => $stateless,
 246                          } => $class;
 247
 248         $logger->debug( "Created new client session $app : $sess_id" );
 249
 250         return $_CACHE{$sess_id} = $self;
 251 }
 252
 253 sub raise_remote_errors {
 254         my $self = shift;
 255         my $err = shift;
 256         $self->{raise_error} = $err if (defined $err);
 257         return $self->{raise_error};
 258 }
 259
 260 sub api_level {
 261         return shift()->{api_level};
 262 }
 263
 264 sub app {
 265         return shift()->{app_name};
 266 }
 267
 268 sub reset {
 269         my $self = shift;
 270         $self->remote_id($$self{orig_remote_id});
 271 }
 272
 273 # 'connect' can be used as a constructor if called as a class method,
 274 # or used to connect a session that has disconnectd if called against
 275 # an existing session that seems to be disconnected, or was just built
 276 # using 'create' above.
 277
 278 # connect( $app, username => $user, secret => $passwd );
 279 #    OR
 280 # connect( $app, sysname => $user, secret => $shared_secret );
 281
 282 # --- Returns undef if the connect attempt times out.
 283 # --- Returns the OpenSRF::EX object if one is returned by the server
 284 # --- Returns self if connected
 285 sub connect {
 286         my $self = shift;
 287         my $class = ref($self) || $self;
 288
 289
 290         if ( ref( $self ) and  $self->state && $self->state == CONNECTED  ) {
 291                 $logger->transport("AppSession already connected", DEBUG );
 292         } else {
 293                 $logger->transport("AppSession not connected, connecting..", DEBUG );
 294         }
 295         return $self if ( ref( $self ) and  $self->state && $self->state == CONNECTED  );
 296
 297
 298         my $app = shift;
 299         my $api_level = shift;
 300         $api_level = 1 unless (defined $api_level);
 301
 302         $self = $class->create($app, @_) if (!ref($self));
 303
 304         return undef unless ($self);
 305
 306         $self->{api_level} = $api_level;
 307
 308         $self->reset;
 309         $self->state(CONNECTING);
 310         $self->send('CONNECT', "");
 311
 312
 313         # if we want to connect to settings, we may not have
 314         # any data for the settings client to work with...
 315         # just using a default for now XXX
 316
 317         my $time_remaining = 5;
 318
 319 =head blah
 320         my $client = OpenSRF::Utils::SettingsClient->new();
 321         my $trans = $client->config_value("client_connection","transport_host");
 322
 323         if(!ref($trans)) {
 324                 $time_remaining = $trans->{connect_timeout};
 325         } else {
 326                 # XXX for now, just use the first
 327                 $time_remaining = $trans->[0]->{connect_timeout};
 328         }
 329 =cut
 330
 331         while ( $self->state != CONNECTED  and $time_remaining > 0 ) {
 332                 my $starttime = time;
 333                 $self->queue_wait($time_remaining);
 334                 my $endtime = time;
 335                 $time_remaining -= ($endtime - $starttime);
 336         }
 337
 338         return undef unless($self->state == CONNECTED);
 339
 340         $self->stateless(0);
 341
 342         return $self;
 343 }
 344
 345 sub finish {
 346         my $self = shift;
 347         if( ! $self->session_id ) {
 348                 return 0;
 349         }
 350 }
 351
 352 sub unregister_callback {
 353         my $self = shift;
 354         my $type = shift;
 355         my $cb = shift;
 356         if (exists $self->{callbacks}{$type}) {
 357                 delete $self->{callbacks}{$type}{$cb};
 358                 return $cb;
 359         }
 360         return undef;
 361 }
 362
 363 sub register_callback {
 364         my $self = shift;
 365         my $type = shift;
 366         my $cb = shift;
 367         my $cb_key = "$cb";
 368         $self->{callbacks}{$type}{$cb_key} = $cb;
 369         return $cb_key;
 370 }
 371
 372 sub kill_me {
 373         my $self = shift;
 374         if( ! $self->session_id ) { return 0; }
 375
 376         # run each 'death' callback;
 377         if (exists $self->{callbacks}{death}) {
 378                 for my $sub (values %{$self->{callbacks}{death}}) {
 379                         $sub->($self);
 380                 }
 381         }
 382
 383         $self->disconnect;
 384         $logger->transport( "AppSession killing self: " . $self->session_id(), DEBUG );
 385         delete $_CACHE{$self->session_id};
 386         delete($$self{$_}) for (keys %$self);
 387 }
 388
 389 sub disconnect {
 390         my $self = shift;
 391
 392         # run each 'disconnect' callback;
 393         if (exists $self->{callbacks}{disconnect}) {
 394                 for my $sub (values %{$self->{callbacks}{disconnect}}) {
 395                         $sub->($self);
 396                 }
 397         }
 398
 399         if ( !$self->stateless and $self->state != DISCONNECTED ) {
 400                 $self->send('DISCONNECT', "") if ($self->endpoint == CLIENT);
 401                 $self->state( DISCONNECTED );
 402         }
 403
 404         $self->reset;
 405 }
 406
 407 sub request {
 408         my $self = shift;
 409         my $meth = shift;
 410         return unless $self;
 411
 412         my $method;
 413         if (!ref $meth) {
 414                 $method = new OpenSRF::DomainObject::oilsMethod ( method => $meth );
 415         } else {
 416                 $method = $meth;
 417         }
 418
 419         $method->params( @_ );
 420
 421         $self->send('REQUEST',$method);
 422 }
 423
 424 sub full_request {
 425         my $self = shift;
 426         my $meth = shift;
 427
 428         my $method;
 429         if (!ref $meth) {
 430                 $method = new OpenSRF::DomainObject::oilsMethod ( method => $meth );
 431         } else {
 432                 $method = $meth;
 433         }
 434
 435         $method->params( @_ );
 436
 437         $self->send(CONNECT => '', REQUEST => $method, DISCONNECT => '');
 438 }
 439
 440 sub send {
 441         my $self = shift;
 442         my @payload_list = @_; # this is a Domain Object
 443
 444         return unless ($self and $self->{peer_handle});
 445
 446         $logger->debug( "In send", INTERNAL );
 447
 448         my $tT;
 449
 450         if( @payload_list % 2 ) { $tT = pop @payload_list; }
 451
 452         if( ! @payload_list ) {
 453                 $logger->debug( "payload_list param is incomplete in AppSession::send()", ERROR );
 454                 return undef;
 455         }
 456
 457         my @doc = ();
 458
 459         my $disconnect = 0;
 460         my $connecting = 0;
 461
 462         while( @payload_list ) {
 463
 464                 my ($msg_type, $payload) = ( shift(@payload_list), shift(@payload_list) );
 465
 466                 if ($msg_type eq 'DISCONNECT' ) {
 467                         $disconnect++;
 468                         if( $self->state == DISCONNECTED && !$connecting) {
 469                                 next;
 470                         }
 471                 }
 472
 473                 if( $msg_type eq "CONNECT" ) {
 474                         $connecting++;
 475                 }
 476
 477                 my $msg = OpenSRF::DomainObject::oilsMessage->new();
 478                 $msg->type($msg_type);
 479
 480                 no warnings;
 481                 $msg->threadTrace( $tT || int($self->session_threadTrace) || int($self->last_threadTrace) );
 482                 use warnings;
 483
 484                 if ($msg->type eq 'REQUEST') {
 485                         if ( !defined($tT) || $self->last_threadTrace != $tT ) {
 486                                 $msg->update_threadTrace;
 487                                 $self->session_threadTrace( $msg->threadTrace );
 488                                 $tT = $self->session_threadTrace;
 489                                 OpenSRF::AppRequest->new($self, $payload);
 490                         }
 491                 }
 492
 493                 $msg->api_level($self->api_level);
 494                 $msg->payload($payload) if $payload;
 495
 496                 push @doc, $msg;
 497
 498
 499                 $logger->debug( "AppSession sending ".$msg->type." to ".$self->remote_id.
 500                         " with threadTrace [".$msg->threadTrace."]" );
 501
 502         }
 503
 504         if ($self->endpoint == CLIENT and ! $disconnect) {
 505                 $self->queue_wait(0);
 506
 507
 508                 if($self->stateless && $self->state != CONNECTED) {
 509                         $self->reset;
 510                         $logger->debug("AppSession is stateless in send", INTERNAL );
 511                 }
 512
 513                 if( !$self->stateless and $self->state != CONNECTED ) {
 514
 515                         $logger->debug( "Sending connect before request 1", INTERNAL );
 516
 517                         unless (($self->state == CONNECTING && $connecting )) {
 518                                 $logger->debug( "Sending connect before request 2", INTERNAL );
 519                                 my $v = $self->connect();
 520                                 if( ! $v ) {
 521                                         $logger->debug( "Unable to connect to remote service in AppSession::send()", ERROR );
 522                                         return undef;
 523                                 }
 524                                 if( ref($v) and $v->can("class") and $v->class->isa( "OpenSRF::EX" ) ) {
 525                                         return $v;
 526                                 }
 527                         }
 528                 }
 529
 530         }
 531         $logger->debug( "AppSession sending doc: " . JSON->perl2JSON(\@doc), INTERNAL );
 532
 533
 534         $self->{peer_handle}->send(
 535                                         to     => $self->remote_id,
 536                                    thread => $self->session_id,
 537                                    body   => JSON->perl2JSON(\@doc) );
 538
 539         if( $disconnect) {
 540                 $self->state( DISCONNECTED );
 541         }
 542
 543         my $req = $self->app_request( $tT );
 544         $req->{_start} = time;
 545         return $req
 546 }
 547
 548 sub app_request {
 549         my $self = shift;
 550         my $tT = shift;
 551
 552         return undef unless (defined $tT);
 553         my ($req) = grep { $_->threadTrace == $tT } @{ $self->{request_queue} };
 554
 555         return $req;
 556 }
 557
 558 sub remove_app_request {
 559         my $self = shift;
 560         my $req = shift;
 561
 562         my @list = grep { $_->threadTrace != $req->threadTrace } @{ $self->{request_queue} };
 563
 564         $self->{request_queue} = \@list;
 565 }
 566
 567 sub endpoint {
 568         return $_[0]->{endpoint};
 569 }
 570
 571
 572 sub session_id {
 573         my $self = shift;
 574         return $self->{session_id};
 575 }
 576
 577 sub push_queue {
 578         my $self = shift;
 579         my $resp = shift;
 580         my $req = $self->app_request($resp->[1]);
 581         return $req->push_queue( $resp->[0] ) if ($req);
 582         push @{ $self->{recv_queue} }, $resp->[0];
 583 }
 584
 585 sub last_threadTrace {
 586         my $self = shift;
 587         my $new_last_threadTrace = shift;
 588
 589         my $old_last_threadTrace = $self->{last_threadTrace};
 590         if (defined $new_last_threadTrace) {
 591                 $self->{last_threadTrace} = $new_last_threadTrace;
 592                 return $new_last_threadTrace unless ($old_last_threadTrace);
 593         }
 594
 595         return $old_last_threadTrace;
 596 }
 597
 598 sub session_threadTrace {
 599         my $self = shift;
 600         my $new_last_threadTrace = shift;
 601
 602         my $old_last_threadTrace = $self->{session_threadTrace};
 603         if (defined $new_last_threadTrace) {
 604                 $self->{session_threadTrace} = $new_last_threadTrace;
 605                 return $new_last_threadTrace unless ($old_last_threadTrace);
 606         }
 607
 608         return $old_last_threadTrace;
 609 }
 610
 611 sub last_message_type {
 612         my $self = shift;
 613         my $new_last_message_type = shift;
 614
 615         my $old_last_message_type = $self->{last_message_type};
 616         if (defined $new_last_message_type) {
 617                 $self->{last_message_type} = $new_last_message_type;
 618                 return $new_last_message_type unless ($old_last_message_type);
 619         }
 620
 621         return $old_last_message_type;
 622 }
 623
 624 sub last_message_api_level {
 625         my $self = shift;
 626         my $new_last_message_api_level = shift;
 627
 628         my $old_last_message_api_level = $self->{last_message_api_level};
 629         if (defined $new_last_message_api_level) {
 630                 $self->{last_message_api_level} = $new_last_message_api_level;
 631                 return $new_last_message_api_level unless ($old_last_message_api_level);
 632         }
 633
 634         return $old_last_message_api_level;
 635 }
 636
 637 sub remote_id {
 638         my $self = shift;
 639         my $new_remote_id = shift;
 640
 641         my $old_remote_id = $self->{remote_id};
 642         if (defined $new_remote_id) {
 643                 $self->{remote_id} = $new_remote_id;
 644                 return $new_remote_id unless ($old_remote_id);
 645         }
 646
 647         return $old_remote_id;
 648 }
 649
 650 sub client_auth {
 651         return undef;
 652         my $self = shift;
 653         my $new_ua = shift;
 654
 655         my $old_ua = $self->{client_auth};
 656         if (defined $new_ua) {
 657                 $self->{client_auth} = $new_ua;
 658                 return $new_ua unless ($old_ua);
 659         }
 660
 661         return $old_ua->cloneNode(1);
 662 }
 663
 664 sub state {
 665         my $self = shift;
 666         my $new_state = shift;
 667
 668         my $old_state = $self->{state};
 669         if (defined $new_state) {
 670                 $self->{state} = $new_state;
 671                 return $new_state unless ($old_state);
 672         }
 673
 674         return $old_state;
 675 }
 676
 677 sub DESTROY {
 678         my $self = shift;
 679         delete $$self{$_} for keys %$self;
 680         return undef;
 681 }
 682
 683 sub recv {
 684         my $self = shift;
 685         my @proto_args = @_;
 686         my %args;
 687
 688         if ( @proto_args ) {
 689                 if ( !(@proto_args % 2) ) {
 690                         %args = @proto_args;
 691                 } elsif (@proto_args == 1) {
 692                         %args = ( timeout => @proto_args );
 693                 }
 694         }
 695
 696         #$logger->debug( ref($self). " recv_queue before wait: " . $self->_print_queue(), INTERNAL );
 697
 698         if( exists( $args{timeout} ) ) {
 699                 $args{timeout} = int($args{timeout});
 700                 $self->{recv_timeout} = $args{timeout};
 701         }
 702
 703         #$args{timeout} = 0 if ($self->complete);
 704
 705         if(defined($args{timeout})) {
 706                 $logger->debug( ref($self) ."->recv with timeout " . $args{timeout}, INTERNAL );
 707         }
 708
 709         my $avail = @{ $self->{recv_queue} };
 710         $self->{remaining_recv_timeout} = $self->{recv_timeout};
 711
 712         if (!$args{count}) {
 713                 if (wantarray) {
 714                         $args{count} = $avail;
 715                 } else {
 716                         $args{count} = 1;
 717                 }
 718         }
 719
 720         while ( $self->{remaining_recv_timeout} > 0 and $avail < $args{count} ) {
 721                         last if $self->complete;
 722                         my $starttime = time;
 723                         $self->queue_wait($self->{remaining_recv_timeout});
 724                         my $endtime = time;
 725                         if ($self->{timeout_reset}) {
 726                                 $self->{timeout_reset} = 0;
 727                         } else {
 728                                 $self->{remaining_recv_timeout} -= ($endtime - $starttime)
 729                         }
 730                         $avail = @{ $self->{recv_queue} };
 731         }
 732
 733
 734         my @list;
 735         while ( my $msg = shift @{ $self->{recv_queue} } ) {
 736                 push @list, $msg;
 737                 last if (scalar(@list) >= $args{count});
 738         }
 739
 740         $logger->debug( "Number of matched responses: " . @list, DEBUG );
 741         $self->queue_wait(0); # check for statuses
 742
 743         return $list[0] unless (wantarray);
 744         return @list;
 745 }
 746
 747 sub push_resend {
 748         my $self = shift;
 749         push @OpenSRF::AppSession::_RESEND_QUEUE, @_;
 750 }
 751
 752 sub flush_resend {
 753         my $self = shift;
 754         $logger->debug( "Resending..." . @_RESEND_QUEUE, INTERNAL );
 755         while ( my $req = shift @OpenSRF::AppSession::_RESEND_QUEUE ) {
 756                 $req->resend unless $req->complete;
 757         }
 758 }
 759
 760
 761 sub queue_wait {
 762         my $self = shift;
 763         if( ! $self->{peer_handle} ) { return 0; }
 764         my $timeout = shift || 0;
 765         $logger->debug( "Calling queue_wait($timeout)" , INTERNAL );
 766         my $o = $self->{peer_handle}->process($timeout);
 767         $self->flush_resend;
 768         return $o;
 769 }
 770
 771 sub _print_queue {
 772         my( $self ) = @_;
 773         my $string = "";
 774         foreach my $msg ( @{$self->{recv_queue}} ) {
 775                 $string = $string . $msg->toString(1) . "\n";
 776         }
 777         return $string;
 778 }
 779
 780 sub status {
 781         my $self = shift;
 782         return unless $self;
 783         $self->send( 'STATUS', @_ );
 784 }
 785
 786 sub reset_request_timeout {
 787         my $self = shift;
 788         my $tt = shift;
 789         my $req = $self->app_request($tt);
 790         $req->{remaining_recv_timeout} = $req->{recv_timeout};
 791         $req->{timout_reset} = 1;
 792 }
 793
 794 #-------------------------------------------------------------------------------
 795
 796 package OpenSRF::AppRequest;
 797 use base qw/OpenSRF::AppSession/;
 798 use OpenSRF::Utils::Logger qw/:level/;
 799 use OpenSRF::DomainObject::oilsResponse qw/:status/;
 800 use Time::HiRes qw/time usleep/;
 801
 802 sub new {
 803         my $class = shift;
 804         $class = ref($class) || $class;
 805
 806         my $session = shift;
 807         my $threadTrace = $session->session_threadTrace || $session->last_threadTrace;
 808         my $payload = shift;
 809
 810         my $self = {    session                 => $session,
 811                         threadTrace             => $threadTrace,
 812                         payload                 => $payload,
 813                         complete                => 0,
 814                         timeout_reset           => 0,
 815                         recv_timeout            => 30,
 816                         remaining_recv_timeout  => 30,
 817                         recv_queue              => [],
 818         };
 819
 820         bless $self => $class;
 821
 822         push @{ $self->session->{request_queue} }, $self;
 823
 824         return $self;
 825 }
 826
 827 sub recv_timeout {
 828         my $self = shift;
 829         my $timeout = shift;
 830         if (defined $timeout) {
 831                 $self->{recv_timeout} = $timeout;
 832                 $self->{remaining_recv_timeout} = $timeout;
 833         }
 834         return $self->{recv_timeout};
 835 }
 836
 837 sub queue_size {
 838         my $size = @{$_[0]->{recv_queue}};
 839         return $size;
 840 }
 841
 842 sub send {
 843         my $self = shift;
 844         return unless ($self and $self->session and !$self->complete);
 845         $self->session->send(@_);
 846 }
 847
 848 sub finish {
 849         my $self = shift;
 850         return unless $self->session;
 851         $self->session->remove_app_request($self);
 852         delete($$self{$_}) for (keys %$self);
 853 }
 854
 855 sub session {
 856         return shift()->{session};
 857 }
 858
 859 sub complete {
 860         my $self = shift;
 861         my $complete = shift;
 862         return $self->{complete} if ($self->{complete});
 863         if (defined $complete) {
 864                 $self->{complete} = $complete;
 865                 $self->{_duration} = time - $self->{_start} if ($self->{complete});
 866         } else {
 867                 $self->session->queue_wait(0);
 868         }
 869         return $self->{complete};
 870 }
 871
 872 sub duration {
 873         my $self = shift;
 874         $self->wait_complete;
 875         return $self->{_duration};
 876 }
 877
 878 sub wait_complete {
 879         my $self = shift;
 880         my $timeout = shift || 10;
 881         my $time_remaining = $timeout;
 882
 883         while ( ! $self->complete  and $time_remaining > 0 ) {
 884                 my $starttime = time;
 885                 $self->queue_wait($time_remaining);
 886                 my $endtime = time;
 887                 $time_remaining -= ($endtime - $starttime);
 888         }
 889
 890         return $self->complete;
 891 }
 892
 893 sub threadTrace {
 894         return shift()->{threadTrace};
 895 }
 896
 897 sub push_queue {
 898         my $self = shift;
 899         my $resp = shift;
 900         if( !$resp ) { return 0; }
 901         if( UNIVERSAL::isa($resp, "Error")) {
 902                 $self->{failed} = $resp;
 903                 $self->complete(1);
 904                 #return; eventually...
 905         }
 906         push @{ $self->{recv_queue} }, $resp;
 907 }
 908
 909 sub failed {
 910         my $self = shift;
 911         return $self->{failed};
 912 }
 913
 914 sub queue_wait {
 915         my $self = shift;
 916         return $self->session->queue_wait(@_)
 917 }
 918
 919 sub payload { return shift()->{payload}; }
 920
 921 sub resend {
 922         my $self = shift;
 923         return unless ($self and $self->session and !$self->complete);
 924         OpenSRF::Utils::Logger->debug( "I'm resending the request for threadTrace ". $self->threadTrace, DEBUG);
 925         return $self->session->send('REQUEST', $self->payload, $self->threadTrace );
 926 }
 927
 928 sub status {
 929         my $self = shift;
 930         my $msg = shift;
 931         return unless ($self and $self->session and !$self->complete);
 932         $self->session->send( 'STATUS',$msg, $self->threadTrace );
 933 }
 934
 935 sub stream_push {
 936         my $self = shift;
 937         my $msg = shift;
 938         $self->respond( $msg );
 939 }
 940
 941 sub respond {
 942         my $self = shift;
 943         my $msg = shift;
 944         return unless ($self and $self->session and !$self->complete);
 945
 946         my $response;
 947         if (ref($msg) && UNIVERSAL::isa($msg, 'OpenSRF::DomainObject::oilsResult')) {
 948                 $response = $msg;
 949         } else {
 950                 $response = new OpenSRF::DomainObject::oilsResult;
 951                 $response->content($msg);
 952         }
 953
 954         $self->session->send('RESULT', $response, $self->threadTrace);
 955 }
 956
 957 sub respond_complete {
 958         my $self = shift;
 959         my $msg = shift;
 960         return unless ($self and $self->session and !$self->complete);
 961
 962         my $response;
 963         if (ref($msg) && UNIVERSAL::isa($msg, 'OpenSRF::DomainObject::oilsResult')) {
 964                 $response = $msg;
 965         } else {
 966                 $response = new OpenSRF::DomainObject::oilsResult;
 967                 $response->content($msg);
 968         }
 969
 970         my $stat = OpenSRF::DomainObject::oilsConnectStatus->new(
 971                 statusCode => STATUS_COMPLETE(),
 972                 status => 'Request Complete' );
 973
 974
 975         $self->session->send( 'RESULT' => $response, 'STATUS' => $stat, $self->threadTrace);
 976         $self->complete(1);
 977 }
 978
 979 sub register_death_callback {
 980         my $self = shift;
 981         my $cb = shift;
 982         $self->session->register_callback( death => $cb );
 983 }
 984
 985
 986 # utility method.  checks to see of the request failed.
 987 # if so, throws an OpenSRF::EX::ERROR. if everything is
 988 # ok, it returns the content of the request
 989 sub gather {
 990         my $self = shift;
 991         my $finish = shift;
 992         $self->wait_complete;
 993         my $resp = $self->recv( timeout => 60 );
 994         if( $self->failed() ) {
 995                 throw OpenSRF::EX::ERROR
 996                         ($self->failed()->stringify());
 997         }
 998         if(!$resp) { return undef; }
 999         my $content = $resp->content;
1000         if($finish) { $self->finish();}
1001         return $content;
1002 }
1003
1004
1005 package OpenSRF::AppSubrequest;
1006
1007 sub respond {
1008         my $self = shift;
1009         my $resp = shift;
1010         push @{$$self{resp}}, $resp if (defined $resp);
1011 }
1012 sub respond_complete { respond(@_); }
1013
1014 sub new {
1015         my $class = shift;
1016         $class = ref($class) || $class;
1017         return bless({resp => [], @_}, $class);
1018 }
1019
1020 sub responses { @{$_[0]->{resp}} }
1021
1022 sub status {}
1023
1024
1025 1;
1026