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#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
use 5.10.0;
use strict;
use warnings;
use HTTP::Request;
use IO::String;
use LWP::UserAgent;
use Thrift;
use Thrift::Exception;
use Thrift::Transport;
package Thrift::HttpClient;
use base('Thrift::Transport');
use version 0.77; our $VERSION = version->declare("$Thrift::VERSION");
sub new
{
my $classname = shift;
my $url = shift || 'http://localhost:9090';
my $out = IO::String->new;
binmode($out);
my $self = {
url => $url,
out => $out,
timeout => 100,
handle => undef,
headers => {},
};
return bless($self,$classname);
}
sub setTimeout
{
my $self = shift;
my $timeout = shift;
$self->{timeout} = $timeout;
}
sub setRecvTimeout
{
warn 'setRecvTimeout is deprecated - use setTimeout instead';
# note: recvTimeout was never used so we do not need to do anything here
}
sub setSendTimeout
{
my $self = shift;
my $timeout = shift;
warn 'setSendTimeout is deprecated - use setTimeout instead';
$self->setTimeout($timeout);
}
sub setHeader
{
my $self = shift;
my ($name, $value) = @_;
$self->{headers}->{$name} = $value;
}
#
# Tests whether this is open
#
# @return bool true if the socket is open
#
sub isOpen
{
return 1;
}
sub open {}
#
# Cleans up the buffer.
#
sub close
{
my $self = shift;
if (defined($self->{io})) {
close($self->{io});
$self->{io} = undef;
}
}
#
# Guarantees that the full amount of data is read.
#
# @return string The data, of exact length
# @throws TTransportException if cannot read data
#
sub readAll
{
my $self = shift;
my $len = shift;
my $buf = $self->read($len);
if (!defined($buf)) {
die Thrift::TTransportException->new("TSocket: Could not read $len bytes from input buffer",
Thrift::TTransportException::END_OF_FILE);
}
return $buf;
}
#
# Read and return string
#
sub read
{
my $self = shift;
my $len = shift;
my $buf;
my $in = $self->{in};
if (!defined($in)) {
die Thrift::TTransportException->new('Response buffer is empty, no request.',
Thrift::TTransportException::END_OF_FILE);
}
eval {
my $ret = sysread($in, $buf, $len);
if (! defined($ret)) {
die Thrift::TTransportException->new('No more data available.',
Thrift::TTransportException::TIMED_OUT);
}
};
if($@){
die Thrift::TTransportException->new("$@", Thrift::TTransportException::UNKNOWN);
}
return $buf;
}
#
# Write string
#
sub write
{
my $self = shift;
my $buf = shift;
$self->{out}->print($buf);
}
#
# Flush output (do the actual HTTP/HTTPS request)
#
sub flush
{
my $self = shift;
my $ua = LWP::UserAgent->new(
'timeout' => ($self->{timeout} / 1000),
'agent' => 'Perl/THttpClient'
);
$ua->default_header('Accept' => 'application/x-thrift');
$ua->default_header('Content-Type' => 'application/x-thrift');
$ua->cookie_jar({}); # hash to remember cookies between redirects
my $out = $self->{out};
$out->setpos(0); # rewind
my $buf = join('', <$out>);
my $request = HTTP::Request->new(POST => $self->{url}, undef, $buf);
map { $request->header($_ => $self->{headers}->{$_}) } keys %{$self->{headers}};
my $response = $ua->request($request);
my $content_ref = $response->content_ref;
my $in = IO::String->new($content_ref);
binmode($in);
$self->{in} = $in;
$in->setpos(0); # rewind
# reset write buffer
$out = IO::String->new;
binmode($out);
$self->{out} = $out;
}
1;
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