src/perlmods/OpenSRF/Application.pm

   1 package OpenSRF::Application;
   2 use vars qw/$_app $log @_METHODS $thunk $server_class/;
   3
   4 use base qw/OpenSRF/;
   5 use OpenSRF::AppSession;
   6 use OpenSRF::DomainObject::oilsMethod;
   7 use OpenSRF::DomainObject::oilsResponse qw/:status/;
   8 use OpenSRF::Utils::Logger qw/:level/;
   9 use Data::Dumper;
  10 use Time::HiRes qw/time/;
  11 use OpenSRF::EX qw/:try/;
  12 use Carp;
  13 use JSON;
  14 #use OpenSRF::UnixServer;  # to get the server class from UnixServer::App
  15
  16 sub DESTROY{};
  17
  18 use strict;
  19 use warnings;
  20
  21 $log = 'OpenSRF::Utils::Logger';
  22
  23 our $in_request = 0;
  24 our @pending_requests;
  25
  26 sub package {
  27         my $self = shift;
  28         return 1 unless ref($self);
  29         return $self->{package};
  30 }
  31
  32 sub signature {
  33         my $self = shift;
  34         return 0 unless ref($self);
  35         return $self->{signature};
  36 }
  37
  38 sub argc {
  39         my $self = shift;
  40         return 0 unless ref($self);
  41         return $self->{argc};
  42 }
  43
  44 sub api_name {
  45         my $self = shift;
  46         return 1 unless ref($self);
  47         return $self->{api_name};
  48 }
  49
  50 sub api_level {
  51         my $self = shift;
  52         return 1 unless ref($self);
  53         return $self->{api_level};
  54 }
  55
  56 sub server_class {
  57         my $class = shift;
  58         if($class) {
  59                 $server_class = $class;
  60         }
  61         return $server_class;
  62 }
  63
  64 sub thunk {
  65         my $self = shift;
  66         my $flag = shift;
  67         $thunk = $flag if (defined $flag);
  68         return $thunk;
  69 }
  70
  71 sub application_implementation {
  72         my $self = shift;
  73         my $app = shift;
  74
  75         if (defined $app) {
  76                 $_app = $app;
  77                 $_app->use;
  78                 if( $@ ) {
  79                         $log->error( "Error loading application_implementation: $app -> $@", ERROR);
  80                 }
  81
  82         }
  83
  84         return $_app;
  85 }
  86
  87 sub handler {
  88         my ($self, $session, $app_msg) = @_;
  89
  90         if( ! $app_msg ) {
  91                 return 1;  # error?
  92         }
  93
  94         my $app = $self->application_implementation;
  95
  96         if ($session->last_message_type eq 'REQUEST') {
  97
  98                 my $method_name = $app_msg->method;
  99                 my $method_proto = $session->last_message_api_level;
 100
 101                 my $coderef = $app->method_lookup( $method_name, $method_proto, 1, 1 );
 102
 103                 unless ($coderef) {
 104                         $session->status( OpenSRF::DomainObject::oilsMethodException->new(
 105                                                 statusCode => STATUS_NOTFOUND(),
 106                                                 status => "Method [$method_name] not found for $app"));
 107                         return 1;
 108                 }
 109
 110                 unless ($session->continue_request) {
 111                         $session->status(
 112                                 OpenSRF::DomainObject::oilsConnectStatus->new(
 113                                                 statusCode => STATUS_REDIRECTED(),
 114                                                 status => 'Disconnect on max requests' ) );
 115                         $session->kill_me;
 116                         return 1;
 117                 }
 118
 119                 if (ref $coderef) {
 120                         my @args = $app_msg->params;
 121                         my $appreq = OpenSRF::AppRequest->new( $session );
 122
 123                         $log->debug( "in_request = $in_request : [" . $appreq->threadTrace."]", INTERNAL );
 124                         if( $in_request ) {
 125                                 $log->debug( "Pushing onto pending requests: " . $appreq->threadTrace, DEBUG );
 126                                 push @pending_requests, [ $appreq, \@args, $coderef ];
 127                                 return 1;
 128                         }
 129
 130
 131                         $in_request++;
 132
 133                         $log->debug( "Executing coderef for {$method_name}", INTERNAL );
 134
 135                         my $resp;
 136                         try {
 137                                 # un-if(0) this block to enable param checking based on signature and argc
 138                                 if (0) {
 139                                         if (@args < $coderef->argc) {
 140                                                 die     "Not enough params passed to ".
 141                                                         $coderef->api_name." : requires ". $coderef->argc
 142                                         }
 143                                         if (@args) {
 144                                                 my $sig = $coderef->signature;
 145                                                 if ($sig && exists $sig->{params}) {
 146                                                         for my $p (0 .. scalar(@{ $sig->{params} }) - 1 ) {
 147                                                                 my $s = $sig->{params}->[$p];
 148                                                                 my $a = $args[$p];
 149                                                                 if ($s->{class} && JSON->lookup_hint(ref $a) ne $s->{class}) {
 150                                                                         die "Incorrect param class at position $p : should be a '$$s{class}'";
 151                                                                 } elsif ($s->{type}) {
 152                                                                         if (lc($s->{type}) eq 'object' && $a !~ /HASH/o) {
 153                                                                                 die "Incorrect param type at position $p : should be an 'object'";
 154                                                                         } elsif (lc($s->{type}) eq 'array' && $a !~ /ARRAY/o) {
 155                                                                                 die "Incorrect param type at position $p : should be an 'array'";
 156                                                                         } elsif (lc($s->{type}) eq 'number' && (ref($a) || $a !~ /^-?\d+(?:\.\d+)?$/o)) {
 157                                                                                 die "Incorrect param type at position $p : should be a 'number'";
 158                                                                         } elsif (lc($s->{type}) eq 'string' && ref($a)) {
 159                                                                                 die "Incorrect param type at position $p : should be a 'string'";
 160                                                                         }
 161                                                                 }
 162                                                         }
 163                                                 }
 164                                         }
 165                                 }
 166
 167                                 my $start = time();
 168                                 $resp = $coderef->run( $appreq, @args);
 169                                 my $time = sprintf '%.3f', time() - $start;
 170
 171                                 $log->debug( "Method duration for [$method_name]:  ". $time );
 172                                 if( defined( $resp ) ) {
 173                                         $appreq->respond_complete( $resp );
 174                                 } else {
 175                                         $appreq->status( OpenSRF::DomainObject::oilsConnectStatus->new(
 176                                                                 statusCode => STATUS_COMPLETE(),
 177                                                                 status => 'Request Complete' ) );
 178                                 }
 179                         } catch Error with {
 180                                 my $e = shift;
 181                                 warn "Caught error from 'run' method: $e\n";
 182
 183                                 if(UNIVERSAL::isa($e,"Error")) {
 184                                         $e = $e->stringify();
 185                                 }
 186                                 my $sess_id = $session->session_id;
 187                                 $session->status(
 188                                         OpenSRF::DomainObject::oilsMethodException->new(
 189                                                         statusCode      => STATUS_INTERNALSERVERERROR(),
 190                                                         status          => " *** Call to [$method_name] failed for session ".
 191                                                                            "[$sess_id], thread trace ".
 192                                                                            "[".$appreq->threadTrace."]:\n$e\n"
 193                                         )
 194                                 );
 195                         };
 196
 197
 198
 199                         # ----------------------------------------------
 200
 201
 202                         # XXX may need this later
 203                         # $_->[1] = 1 for (@OpenSRF::AppSession::_CLIENT_CACHE);
 204
 205                         $in_request--;
 206
 207                         $log->debug( "Pending Requests: " . scalar(@pending_requests), INTERNAL );
 208
 209                         # cycle through queued requests
 210                         while( my $aref = shift @pending_requests ) {
 211                                 $in_request++;
 212                                 my $resp;
 213                                 try {
 214                                         # un-if(0) this block to enable param checking based on signature and argc
 215                                         if (0) {
 216                                                 if (@args < $aref->[2]->argc) {
 217                                                         die     "Not enough params passed to ".
 218                                                                 $aref->[2]->api_name." : requires ". $aref->[2]->argc
 219                                                 }
 220                                                 if (@args) {
 221                                                         my $sig = $aref->[2]->signature;
 222                                                         if ($sig && exists $sig->{params}) {
 223                                                                 for my $p (0 .. scalar(@{ $sig->{params} }) - 1 ) {
 224                                                                         my $s = $sig->{params}->[$p];
 225                                                                         my $a = $args[$p];
 226                                                                         if ($s->{class} && JSON->lookup_hint(ref $a) ne $s->{class}) {
 227                                                                                 die "Incorrect param class at position $p : should be a '$$s{class}'";
 228                                                                         } elsif ($s->{type}) {
 229                                                                                 if (lc($s->{type}) eq 'object' && $a !~ /HASH/o) {
 230                                                                                         die "Incorrect param type at position $p : should be an 'object'";
 231                                                                                 } elsif (lc($s->{type}) eq 'array' && $a !~ /ARRAY/o) {
 232                                                                                         die "Incorrect param type at position $p : should be an 'array'";
 233                                                                                 } elsif (lc($s->{type}) eq 'number' && (ref($a) || $a !~ /^-?\d+(?:\.\d+)?$/o)) {
 234                                                                                         die "Incorrect param type at position $p : should be a 'number'";
 235                                                                                 } elsif (lc($s->{type}) eq 'string' && ref($a)) {
 236                                                                                         die "Incorrect param type at position $p : should be a 'string'";
 237                                                                                 }
 238                                                                         }
 239                                                                 }
 240                                                         }
 241                                                 }
 242                                         }
 243
 244                                         my $start = time;
 245                                         my $response = $aref->[2]->run( $aref->[0], @{$aref->[1]} );
 246                                         my $time = sprintf '%.3f', time - $start;
 247                                         $log->debug( "Method duration for [".$aref->[2]->api_name." -> ".join(', ',@{$aref->[1]}).']:  '.$time, DEBUG );
 248
 249                                         $appreq = $aref->[0];
 250                                         if( ref( $response ) ) {
 251                                                 $appreq->respond_complete( $response );
 252                                         } else {
 253                                                 $appreq->status( OpenSRF::DomainObject::oilsConnectStatus->new(
 254                                                                         statusCode => STATUS_COMPLETE(),
 255                                                                         status => 'Request Complete' ) );
 256                                         }
 257                                         $log->debug( "Executed: " . $appreq->threadTrace, INTERNAL );
 258                                 } catch Error with {
 259                                         my $e = shift;
 260                                         if(UNIVERSAL::isa($e,"Error")) {
 261                                                 $e = $e->stringify();
 262                                         }
 263                                         $session->status(
 264                                                 OpenSRF::DomainObject::oilsMethodException->new(
 265                                                                 statusCode => STATUS_INTERNALSERVERERROR(),
 266                                                                 status => "Call to [".$aref->[2]->api_name."] faild:  $e"
 267                                                 )
 268                                         );
 269                                 };
 270                                 $in_request--;
 271                         }
 272
 273                         return 1;
 274                 }
 275
 276                 $log->info("Received non-REQUEST message in Application handler");
 277
 278                 my $res = OpenSRF::DomainObject::oilsMethodException->new(
 279                                 status => "Received non-REQUEST message in Application handler");
 280                 $session->send('ERROR', $res);
 281                 $session->kill_me;
 282                 return 1;
 283
 284         } else {
 285                 $session->push_queue([ $app_msg, $session->last_threadTrace ]);
 286         }
 287
 288         $session->last_message_type('');
 289         $session->last_message_api_level('');
 290
 291         return 1;
 292 }
 293
 294 sub is_registered {
 295         my $self = shift;
 296         my $api_name = shift;
 297         my $api_level = shift || 1;
 298         return exists($_METHODS[$api_level]{$api_name});
 299 }
 300
 301
 302 sub normalize_whitespace {
 303         my $txt = shift;
 304
 305         $txt =~ s/^\s+//gso;
 306         $txt =~ s/\s+$//gso;
 307         $txt =~ s/\s+/ /gso;
 308         $txt =~ s/\n//gso;
 309         $txt =~ s/\. /\.  /gso;
 310
 311         return $txt;
 312 }
 313
 314 sub parse_string_signature {
 315         my $string = shift;
 316         return [] unless $string;
 317         my @chunks = split(/\@/so, $string);
 318
 319         my @params;
 320         my $ret;
 321         my $desc = '';
 322         for (@chunks) {
 323                 if (/^return (.+)$/so) {
 324                         $ret = [normalize_whitespace($1)];
 325                 } elsif (/^param (\w+) \b(.+)$/so) {
 326                         push @params, [ $1, normalize_whitespace($2) ];
 327                 } else {
 328                         $desc .= '@' if $desc;
 329                         $desc .= $_;
 330                 }
 331         }
 332
 333         return [normalize_whitespace($desc),\@params, $ret];
 334 }
 335
 336 sub parse_array_signature {
 337         my $array = shift;
 338         my ($d,$p,$r) = @$array;
 339         return {} unless ($d or $p or $r);
 340
 341         return {
 342                 desc    => $d,
 343                 params  => [
 344                         map {
 345                                 { name  => $$_[0],
 346                                   desc  => $$_[1],
 347                                   type  => $$_[2],
 348                                   class => $$_[3],
 349                                 }
 350                         } @$p
 351                 ],
 352                 'return'=>
 353                         { desc  => $$r[0],
 354                           type  => $$r[1],
 355                           class => $$r[2],
 356                         }
 357         };
 358 }
 359
 360 sub register_method {
 361         my $self = shift;
 362         my $app = ref($self) || $self;
 363         my %args = @_;
 364
 365
 366         throw OpenSRF::DomainObject::oilsMethodException unless ($args{method});
 367
 368         $args{api_level} = 1 unless(defined($args{api_level}));
 369         $args{stream} ||= 0;
 370         $args{remote} ||= 0;
 371         $args{argc} ||= 0;
 372         $args{package} ||= $app;
 373         $args{server_class} = server_class();
 374         $args{api_name} ||= $args{server_class} . '.' . $args{method};
 375
 376         # un-if(0) this block to enable signature parsing
 377         if (!$args{signature}) {
 378                 if ($args{notes} && !ref($args{notes})) {
 379                         $args{signature} =
 380                                 parse_array_signature( parse_string_signature( $args{notes} ) );
 381                 }
 382         } elsif( !ref($args{signature}) ) {
 383                 $args{signature} =
 384                         parse_array_signature( parse_string_signature( $args{signature} ) );
 385         } elsif( ref($args{signature}) eq 'ARRAY') {
 386                 $args{signature} =
 387                         parse_array_signature( $args{signature} );
 388         }
 389
 390         unless ($args{object_hint}) {
 391                 ($args{object_hint} = $args{package}) =~ s/::/_/go;
 392         }
 393
 394         JSON->register_class_hint( name => $args{package}, hint => $args{object_hint}, type => "hash" );
 395
 396         $_METHODS[$args{api_level}]{$args{api_name}} = bless \%args => $app;
 397
 398         __PACKAGE__->register_method(
 399                 stream => 0,
 400                 argc => $args{argc},
 401                 api_name => $args{api_name}.'.atomic',
 402                 method => 'make_stream_atomic',
 403                 notes => "This is a system generated method.  Please see the definition for $args{api_name}",
 404         ) if ($args{stream});
 405 }
 406
 407 sub retrieve_remote_apis {
 408         my $method = shift;
 409         my $session = OpenSRF::AppSession->create('router');
 410         try {
 411                 $session->connect or OpenSRF::EX::WARN->throw("Connection to router timed out");
 412         } catch Error with {
 413                 my $e = shift;
 414                 $log->debug( "Remote subrequest returned an error:\n". $e );
 415                 return undef;
 416         } finally {
 417                 return undef unless ($session->state == $session->CONNECTED);
 418         };
 419
 420         my $req = $session->request( 'opensrf.router.info.class.list' );
 421         my $list = $req->recv;
 422
 423         if( UNIVERSAL::isa($list,"Error") ) {
 424                 throw $list;
 425         }
 426
 427         my $content = $list->content;
 428
 429         $req->finish;
 430         $session->finish;
 431         $session->disconnect;
 432
 433         my %u_list = map { ($_ => 1) } @$content;
 434
 435         for my $class ( keys %u_list ) {
 436                 next if($class eq $server_class);
 437                 populate_remote_method_cache($class, $method);
 438         }
 439 }
 440
 441 sub populate_remote_method_cache {
 442         my $class = shift;
 443         my $meth = shift;
 444
 445         my $session = OpenSRF::AppSession->create($class);
 446         try {
 447                 $session->connect or OpenSRF::EX::WARN->throw("Connection to $class timed out");
 448
 449                 my $call = 'opensrf.system.method.all' unless (defined $meth);
 450                 $call = 'opensrf.system.method' if (defined $meth);
 451
 452                 my $req = $session->request( $call, $meth );
 453
 454                 while (my $method = $req->recv) {
 455                         next if (UNIVERSAL::isa($method, 'Error'));
 456
 457                         $method = $method->content;
 458                         next if ( exists($_METHODS[$$method{api_level}]) &&
 459                                 exists($_METHODS[$$method{api_level}]{$$method{api_name}}) );
 460                         $method->{remote} = 1;
 461                         bless($method, __PACKAGE__ );
 462                         $_METHODS[$$method{api_level}]{$$method{api_name}} = $method;
 463                 }
 464
 465                 $req->finish;
 466                 $session->finish;
 467                 $session->disconnect;
 468
 469         } catch Error with {
 470                 my $e = shift;
 471                 $log->debug( "Remote subrequest returned an error:\n". $e );
 472                 return undef;
 473         };
 474 }
 475
 476 sub method_lookup {
 477         my $self = shift;
 478         my $method = shift;
 479         my $proto = shift;
 480         my $no_recurse = shift || 0;
 481         my $no_remote = shift || 0;
 482
 483         # this instead of " || 1;" above to allow api_level 0
 484         $proto = $self->api_level unless (defined $proto);
 485
 486         my $class = ref($self) || $self;
 487
 488         $log->debug("Lookup of [$method] by [$class] in api_level [$proto]", DEBUG);
 489         $log->debug("Available methods\n\t".join("\n\t", keys %{ $_METHODS[$proto] }), INTERNAL);
 490
 491         my $meth;
 492         if (__PACKAGE__->thunk) {
 493                 for my $p ( reverse(1 .. $proto) ) {
 494                         if (exists $_METHODS[$p]{$method}) {
 495                                 $meth = $_METHODS[$p]{$method};
 496                         }
 497                 }
 498         } else {
 499                 if (exists $_METHODS[$proto]{$method}) {
 500                         $meth = $_METHODS[$proto]{$method};
 501                 }
 502         }
 503
 504         if (defined $meth) {
 505                 if($no_remote and $meth->{remote}) {
 506                         $log->debug("OH CRAP We're not supposed to return remote methods", WARN);
 507                         return undef;
 508                 }
 509
 510         } elsif (!$no_recurse) {
 511                 $log->debug("We didn't find [$method], asking everyone else.", DEBUG);
 512                 retrieve_remote_apis($method);
 513                 $meth = $self->method_lookup($method,$proto,1);
 514         }
 515
 516         return $meth;
 517 }
 518
 519 sub run {
 520         my $self = shift;
 521         my $req = shift;
 522
 523         my $resp;
 524         my @params = @_;
 525
 526         if ( !UNIVERSAL::isa($req, 'OpenSRF::AppRequest') ) {
 527                 $log->debug("Creating a SubRequest object", DEBUG);
 528                 unshift @params, $req;
 529                 $req = OpenSRF::AppSubrequest->new;
 530         } else {
 531                 $log->debug("This is a top level request", DEBUG);
 532         }
 533
 534         if (!$self->{remote}) {
 535                 my $code = \&{$self->{package} . '::' . $self->{method}};
 536                 my $err = undef;
 537
 538                 try {
 539                         $resp = $code->($self, $req, @params);
 540
 541                 } catch Error with {
 542                         $err = shift;
 543
 544                         if( ref($self) eq 'HASH') {
 545                                 $log->error("Sub $$self{package}::$$self{method} DIED!!!\n\t$err\n", ERROR);
 546                         }
 547                 };
 548
 549                 if($err) {
 550                         if(UNIVERSAL::isa($err,"Error")) {
 551                                 throw $err;
 552                         } else {
 553                                 die $err->stringify;
 554                         }
 555                 }
 556
 557
 558                 $log->debug("Coderef for [$$self{package}::$$self{method}] has been run", DEBUG);
 559
 560                 if ( ref($req) and UNIVERSAL::isa($req, 'OpenSRF::AppSubrequest') ) {
 561                         $req->respond($resp) if (defined $resp);
 562                         $log->debug("SubRequest object is responding with : " . join(" ",$req->responses), DEBUG);
 563                         return $req->responses;
 564                 } else {
 565                         $log->debug("A top level Request object is responding $resp", DEBUG) if (defined $resp);
 566                         return $resp;
 567                 }
 568         } else {
 569                 my $session = OpenSRF::AppSession->create($self->{server_class});
 570                 try {
 571                         #$session->connect or OpenSRF::EX::WARN->throw("Connection to [$$self{server_class}] timed out");
 572                         my $remote_req = $session->request( $self->{api_name}, @params );
 573                         while (my $remote_resp = $remote_req->recv) {
 574                                 OpenSRF::Utils::Logger->debug("Remote Subrequest Received " . $remote_resp, INTERNAL );
 575                                 if( UNIVERSAL::isa($remote_resp,"Error") ) {
 576                                         throw $remote_resp;
 577                                 }
 578                                 $req->respond( $remote_resp->content );
 579                         }
 580                         $remote_req->finish();
 581
 582                 } catch Error with {
 583                         my $e = shift;
 584                         $log->debug( "Remote subrequest returned an error:\n". $e );
 585                         return undef;
 586                 };
 587
 588                 if ($session) {
 589                         $session->disconnect();
 590                         $session->finish();
 591                 }
 592
 593                 $log->debug( "Remote Subrequest Responses " . join(" ", $req->responses), INTERNAL );
 594
 595                 return $req->responses;
 596         }
 597         # huh? how'd we get here...
 598         return undef;
 599 }
 600
 601 sub introspect {
 602         my $self = shift;
 603         my $client = shift;
 604         my $method = shift;
 605         my $limit = shift;
 606         my $offset = shift;
 607
 608         if ($self->api_name =~ /all$/o) {
 609                 $offset = $limit;
 610                 $limit = $method;
 611                 $method = undef;
 612         }
 613
 614         my ($seen,$returned) = (0,0);
 615         for my $api_level ( reverse(1 .. $#_METHODS) ) {
 616                 for my $api_name ( sort keys %{$_METHODS[$api_level]} ) {
 617                         if (!$offset || $offset <= $seen) {
 618                                 if (!$_METHODS[$api_level]{$api_name}{remote}) {
 619                                         if (defined($method)) {
 620                                                 if ($api_name =~ $method) {
 621                                                         if (!$limit || $returned < $limit) {
 622                                                                 $client->respond( $_METHODS[$api_level]{$api_name} );
 623                                                                 $returned++;
 624                                                         }
 625                                                 }
 626                                         } else {
 627                                                 if (!$limit || $returned < $limit) {
 628                                                         $client->respond( $_METHODS[$api_level]{$api_name} );
 629                                                         $returned++;
 630                                                 }
 631                                         }
 632                                 }
 633                         }
 634                         $seen++;
 635                 }
 636         }
 637
 638         return undef;
 639 }
 640 __PACKAGE__->register_method(
 641         stream => 1,
 642         method => 'introspect',
 643         api_name => 'opensrf.system.method.all',
 644         argc => 0,
 645         signature => {
 646                 desc => q/This method is used to introspect an entire OpenSRF Application/,
 647                 return => {
 648                         desc => q/A stream of objects describing the methods available via this OpenSRF Application/,
 649                         type => 'object'
 650                 }
 651         },
 652 );
 653 __PACKAGE__->register_method(
 654         stream => 1,
 655         method => 'introspect',
 656         argc => 1,
 657         api_name => 'opensrf.system.method',
 658         argc => 1,
 659         signature => {
 660                 desc => q/Use this method to get the definition of a single OpenSRF Method/,
 661                 params => [
 662                         { desc => q/The method to introspect/,
 663                           type => 'string' },
 664                 ],
 665                 return => { desc => q/An object describing the method requested, or an error if it can't be found/,
 666                             type => 'object' }
 667         },
 668 );
 669
 670 sub echo_method {
 671         my $self = shift;
 672         my $client = shift;
 673         my @args = @_;
 674
 675         $client->respond( $_ ) for (@args);
 676         return undef;
 677 }
 678 __PACKAGE__->register_method(
 679         stream => 1,
 680         method => 'echo_method',
 681         argc => 1,
 682         api_name => 'opensrf.system.echo',
 683         signature => {
 684                 desc => q/A test method that will echo back it's arguments in a streaming response/,
 685                 params => [
 686                         { desc => q/One or more arguments to echo back/ }
 687                 ],
 688                 return => { desc => q/A stream of the arguments passed/ }
 689         },
 690 );
 691
 692 sub time_method {
 693         my( $self, $conn ) = @_;
 694         return CORE::time;
 695 }
 696 __PACKAGE__->register_method(
 697         method => 'time_method',
 698         argc => 0,
 699         api_name => 'opensrf.system.time',
 700         signature => {
 701                 desc => q/Returns the current system time as epoch seconds/,
 702                 return => { desc => q/epoch seconds/ }
 703         }
 704 );
 705
 706 sub make_stream_atomic {
 707         my $self = shift;
 708         my $req = shift;
 709         my @args = @_;
 710
 711         (my $m_name = $self->api_name) =~ s/\.atomic$//o;
 712         my @results = $self->method_lookup($m_name)->run(@args);
 713
 714         return \@results;
 715 }
 716
 717
 718 1;
 719
 720