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package WWW::Curl::Simple; |
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{ |
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$WWW::Curl::Simple::VERSION = '0.100191'; |
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} |
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# ABSTRACT: A Simpler interface to WWW::Curl |
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use Moose; |
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use HTTP::Request; |
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use HTTP::Response; |
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use Carp qw/croak carp/; |
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use WWW::Curl::Simple::Request; |
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use WWW::Curl::Multi; |
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use WWW::Curl::Easy; |
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use Time::HiRes 1.9705 qw/nanosleep/; |
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#use base 'LWP::Parallel::UserAgent'; |
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use namespace::clean -except => 'meta'; |
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sub request { |
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my ($self, $req) = @_; |
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my $curl = WWW::Curl::Simple::Request->new(simple_ua => $self, request => $req); |
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# Starts the actual request |
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return $curl->perform; |
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} |
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sub get { |
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my ($self, $uri) = @_; |
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return $self->request(HTTP::Request->new(GET => $uri)); |
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} |
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sub post { |
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my ($self, $uri, $form) = @_; |
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return $self->request(HTTP::Request->new(POST => $uri, undef, $form)); |
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} |
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has _requests => ( |
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traits => ['Array'], |
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is => 'ro', |
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isa => 'ArrayRef[WWW::Curl::Simple::Request]', |
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handles => { |
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_add_request => 'push', |
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requests => 'elements', |
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_find_request => 'first', |
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_count_requests => 'count', |
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_get_request => 'get', |
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_delete_request => 'delete', |
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}, |
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default => sub { [] }, |
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); |
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sub add_request { |
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my ($self, $req) = @_; |
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$req = WWW::Curl::Simple::Request->new(simple_ua => $self, request => $req); |
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$self->_add_request($req); |
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return $req; |
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} |
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__PACKAGE__->meta->add_package_symbol('®ister', |
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__PACKAGE__->meta->get_package_symbol('&add_request') |
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); |
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sub has_request { |
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my ($self, $req) = @_; |
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$self->_find_request(sub { |
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$_ == $req |
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}); |
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} |
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sub delete_request { |
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my ($self, $req) = @_; |
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return unless $self->has_request($req); |
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# need to find the index |
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my $c = $self->_count_requests; |
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while ($c--) { |
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$self->_delete_request($c) if ($self->_get_request($c) == $req); |
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} |
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return 1; |
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} |
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sub perform { |
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my ($self) = @_; |
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my $curlm = WWW::Curl::Multi->new; |
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105
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my %reqs; |
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my $i = 0; |
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foreach my $req ($self->requests) { |
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$i++; |
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my $curl = $req->easy; |
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# we set this so we have the ref later on |
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$curl->setopt(CURLOPT_PRIVATE, $i); |
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# here we also mangle all requests based on options |
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# XXX: Should re-factor this to be a metaclass/trait on the attributes, |
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# and a general method that takes all those and applies the proper setopt |
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# calls |
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if ($self->timeout_ms) { |
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unless ($WWW::Curl::Easy::CURLOPT_TIMEOUT_MS) { |
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croak( "Your trying to use timeout_ms, but your libcurl is apperantly older than 7.16.12."); |
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} |
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$curl->setopt($WWW::Curl::Easy::CURLOPT_TIMEOUT_MS, $self->timeout_ms) if $self->timeout_ms; |
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$curl->setopt($WWW::Curl::Easy::CURLOPT_CONNECTTIMEOUT_MS, $self->connection_timeout_ms) if $self->connection_timeout_ms; |
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} else { |
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$curl->setopt(CURLOPT_TIMEOUT, $self->timeout) if $self->timeout; |
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$curl->setopt(CURLOPT_CONNECTTIMEOUT, $self->connection_timeout) if $self->connection_timeout; |
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} |
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128
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$curlm->add_handle($curl); |
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$reqs{$i} = $req; |
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} |
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my @res; |
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while ($i) { |
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my $active_transfers = $curlm->perform; |
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if ($active_transfers != $i) { |
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while (my ($id,$retcode) = $curlm->info_read) { |
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if ($id) { |
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$i--; |
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my $req = $reqs{$id}; |
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unless ($retcode == 0) { |
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my $err = "Error during handling of request: " |
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.$req->easy->strerror($retcode)." ". $req->request->uri; |
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croak($err) if $self->fatal; |
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carp($err) unless $self->fatal; |
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} |
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push(@res, $req); |
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delete($reqs{$id}); |
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} |
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} |
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} |
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# To prevent busy-looping |
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nanosleep(1); |
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} |
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return @res; |
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} |
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158
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159
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160
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sub wait { |
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my $self = shift; |
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163
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my @res = $self->perform(@_); |
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165
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# convert to a hash |
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my %res; |
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168
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while (my $r = pop @res) { |
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#warn "adding $r at " . scalar(@res); |
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$res{scalar(@res)} = $r; |
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} |
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173
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return \%res; |
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} |
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180
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has 'timeout' => (is => 'ro', isa => 'Int'); |
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has 'timeout_ms' => (is => 'ro', isa => 'Int'); |
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183
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184
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has 'max_redirects' => (is => 'ro', isa => 'Int', default => 5); |
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186
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187
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has 'check_ssl_certs' => (is => 'ro', isa => 'Int', default => 1); |
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189
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190
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has 'ssl_cert_bundle' => (is => 'ro', isa => 'Str', predicate => 'has_cacert'); |
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192
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193
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has 'connection_timeout' => (is => 'ro', isa => 'Int'); |
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has 'connection_timeout_ms' => (is => 'ro', isa => 'Int'); |
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196
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198
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has 'fatal' => (is => 'ro', isa => 'Bool', default => 1); |
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200
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__PACKAGE__->meta->make_immutable; |
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202
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1; # End of WWW::Curl::Simple |
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204
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__END__ |
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206
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=pod |
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208
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=encoding UTF-8 |
209
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210
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=head1 NAME |
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212
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WWW::Curl::Simple - A Simpler interface to WWW::Curl |
213
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214
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=head1 VERSION |
215
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216
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version 0.100191 |
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218
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=head1 SYNOPSIS |
219
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220
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my $curl = WWW::Curl::Simple->new(); |
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222
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my $res = $curl->get('http://www.google.com/'); |
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224
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=head1 ATTRIBUTES |
225
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226
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=head2 timeout / timeout_ms |
227
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228
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Sets the timeout of individual requests, in seconds or milliseconds. |
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230
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=head2 max_redirects |
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232
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Sets the maximum number of redirects that should be transparently followed. |
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Set this to 0 if you don't want to follow redirects. Default: 5. |
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235
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=head2 check_ssl_certs |
236
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237
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Specifies whether the underlying Curl library should check SSL certificates |
238
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when making https requests. Defaults to 1 (i.e. do check certs, to err on safe side). |
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240
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=head2 ssl_cert_bundle |
241
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242
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Specifies the bundle to look for CA certificates in. Leave blank for system |
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default, which should work if your libcurl is properly compiled. |
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=head2 connection_timeout /connection_timeout_ms |
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Sets the timeout of the connect phase of requests, in seconds or milliseconds. |
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=head2 fatal |
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Defaults to true, but if set to false, it will make failure in multi-requests |
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warn instead of die. |
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=head1 METHODS |
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=head2 request($req) |
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C<$req> should be a L<HTTP::Request> object. |
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If you have a URI string or object, look at the C<get> method instead. |
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Returns a L<WWW::Curl::Simple::Request> object. |
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=head2 get($uri || URI) |
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Accepts one parameter, which should be a reference to a URI object or a |
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string representing a URI. Returns a L<HTTP::Response> object. |
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=head2 post($uri || URI, $form) |
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Creates a L<HTTP::Request> of type POST to C<$uri>, which can be a string |
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or a URI object, and sets the form of the request to C<$form>. See |
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L<HTTP::Request> for more information on the format of C<$form>. |
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=head2 add_request($req) |
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Adds C<$req> (a L<HTTP::Request> object) to the list of URLs to fetch. Returns |
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a L<WWW::Curl::Simple::Request> object. |
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=head2 register($req) |
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An alias for C<add_request>. |
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=head2 has_request $request |
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285
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Will return true if C<$request> is one of the object's requests. |
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287
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=head2 delete_request $req |
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289
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Removes C<$req> from the object's list of requests. |
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291
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=head2 perform |
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Does all the requests added with C<add_request> and returns a list of |
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L<WWW::Curl::Simple::Request> objects. |
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296
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=head2 wait |
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298
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This method is here to provide an easier transition from |
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L<LWP::Parallel::UserAgent>. It is by no means a drop in replacement, but using |
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C<wait> instead of C<perform> makes the return value more like that of LWP::UA. |
301
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302
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=head1 AUTHOR |
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304
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Andreas Marienborg <andremar@cpan.org> |
305
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306
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=head1 CONTRIBUTORS |
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308
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=over 4 |
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310
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=item * |
311
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312
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Bjørn-Olav Strand <bo@startsiden.no> |
313
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314
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=item * |
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316
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Graham Knop <haarg@haarg.org> |
317
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318
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=item * |
319
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320
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Marcus Ramberg <marcus@nordaaker.com> |
321
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322
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=item * |
323
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324
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Neil Bowers <neil@bowers.com> |
325
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326
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=item * |
327
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328
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|
chromatic <chromatic@wgz.org> |
329
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330
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=back |
331
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332
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=head1 COPYRIGHT AND LICENSE |
333
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334
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This software is copyright (c) 2013 by Andreas Marienborg. |
335
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336
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This is free software; you can redistribute it and/or modify it under |
337
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the same terms as the Perl 5 programming language system itself. |
338
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339
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=cut |