Created
November 26, 2013 15:20
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multipartでデータを送るのと受け取るの
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var express = require('express') | |
, fs = require('fs'); | |
var app = module.exports = express.createServer(); | |
app.configure(function(){ | |
app.use( express.logger(':remote-addr - - [:date] ":method :url HTTP/:http-version" :status :res[content-length] ":referrer" ":user-agent"') ); | |
app.use( express.bodyParser( { | |
maxFieldsSize : 10 * 1024 * 1024, // 10 MB | |
encoding: 'binary' | |
})); | |
app.use( app.router ); | |
}); | |
app.post('/', function(req, res) { | |
var data = req.body.data ? new Buffer( req.body.data, 'binary' ) | |
: fs.readFileSync( req.files.data.path ); | |
res.header('Content-Type', 'text/plain' ); | |
res.header('Content-Length', data.length ); | |
res.end( data ); | |
} ); | |
app.listen(3000); |
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#!/usr/bin/env perl | |
use strict; | |
use warnings; | |
use Plack::Request; | |
sub { | |
my $env = shift; | |
my $req = Plack::Request->new($env); | |
my $data = $req->param('data')|| do { | |
my $upload = $req->upload( 'data' ); | |
open my $fh, '<', $upload->tempname; | |
my $buf = do { local $/; <$fh> }; | |
close $fh; | |
$buf; | |
}; | |
return [ | |
"200", | |
["Content-Type" => "text/plain"], | |
[ $data ] | |
]; | |
}; |
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use common::sense; | |
use Benchmark qw/timethese cmpthese/ ; | |
use HTTP::Request::Common; | |
use LWP::UserAgent; | |
use bytes(); | |
my $ua = LWP::UserAgent->new; | |
my $buffer; | |
{ | |
open my $fh, '<', 'path/to/file/16MB'; | |
$buffer = do { local $/; <$fh> }; | |
close $fh; | |
} | |
sub echo_test { | |
my ($port, $buffer, $is_binary) = @_; | |
my $receive = ''; | |
my $size = bytes::length $buffer; | |
my $length = 1024 * 1024 * 5; | |
for ( my $offset = 0; $offset < $size; $offset += $length ) { | |
my $send_bytes = bytes::substr( $buffer, $offset, $length ); | |
my $data = ( $is_binary ) ? $send_bytes | |
: [ undef, 'data', | |
'Content-Type' => 'application/octet-stream', | |
'Content' => $send_bytes ]; | |
my $res = $ua->request(POST "http://127.0.0.1:$port/", Content_Type => 'form-data', | |
Content => [ title => 'test', data => $data, ]); | |
$receive .= $res->content; | |
} | |
return $receive eq $buffer; | |
} | |
my $result = timethese( 20, { | |
'perl/binary' => sub { | |
my $status = echo_test( 5000, $buffer, 1 ); | |
warn "Failed perl/binary" unless $status; | |
}, | |
'perl/file' => sub { | |
my $status = echo_test( 5000, $buffer, 0 ); | |
warn "Failed perl/file" unless $status; | |
}, | |
'node/binary' => sub { | |
my $status = echo_test( 3000, $buffer, 1 ); | |
warn "Failed node/binary" unless $status; | |
}, | |
'node/file' => sub { | |
my $status = echo_test( 3000, $buffer, 0 ); | |
warn "Failed node/file" unless $status; | |
}, | |
}); | |
cmpthese $result; | |
__END__ | |
Benchmark: timing 20 iterations of node/binary, node/file, perl/binary, perl/file... | |
node/binary: 10 wallclock secs ( 4.30 usr + 1.72 sys = 6.02 CPU) @ 3.32/s (n=20) | |
node/file: 14 wallclock secs ( 5.50 usr + 2.68 sys = 8.18 CPU) @ 2.44/s (n=20) | |
perl/binary: 10 wallclock secs ( 4.35 usr + 1.76 sys = 6.11 CPU) @ 3.27/s (n=20) | |
perl/file: 13 wallclock secs ( 5.49 usr + 2.61 sys = 8.10 CPU) @ 2.47/s (n=20) | |
Rate node/file perl/file perl/binary node/binary | |
node/file 2.44/s -- -1% -25% -26% | |
perl/file 2.47/s 1% -- -25% -26% | |
perl/binary 3.27/s 34% 33% -- -1% | |
node/binary 3.32/s 36% 35% 1% -- | |
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multipartでバイナリを送って受け取ろうとしたら思った以上に苦戦した。
bodyParser
のオプションに{encoding: 'binary'}
を指定して結果をBufferに入れないと壊れるHTTP::Request::Common
でバイナリをファイルとして送るには Contentを$param = [ undef, $filename, Content => $buffer ]
とする試しにfileとbinaryどっちが良いのかベンチとって見たけど、当たり前だけどbinaryの方が良いよねって事だった。