AP4R on Developers Summit 2008

kiwamu
• Ruby 2006
• AP4R

• http://d.hatena.ne.jp/kiwamu/
4

shino
•
!

• ...C

5

shino
•
• http://d.hatena.ne.jp/ita-wasa
•
6

•
• http://www.future.co.jp/index.html

• :

• : 1989.11.28

• : 1,007 663 (2007.12.31 )

• : 250 18 160 46
7

1.

2.

3.

4.

5.

6.
11

1-1. AP4R ?

1-2.

1-3. AP4R ?

1-4
14

AP4R ?

• Ruby
• Asynchronous Processing for Ruby
•
16

AP4R

•

• “RtFA”
17

RtFA
• Pure Java
• API (≠ JMS)

•
18

“RtFA”

http://www.future.co.jp/company/news/061227.html
19

• 100
• AP “RtFA”

21

From Java
to Ruby

22 http://www.oreilly.co.jp/books/9784873113203/

From RtFA to AP4R
• Java

•
API, etc

23

• 2006 OSS (MIT)

•
•
24

Synchronously
Client Server

Sequential tasks
28

Synchronously
Client Server

A B C D E

Sequential tasks
28

Better solution
Client Server Messaging Server

29

Better solution

A B

29

Asynchronously

A B

30

Asynchronously

A B C D E

30


33

Client Server Messaging Servers

34

Ruby
•
•
•
• ...etc
39

AP4R
•
• API

• Rails

• All in one support
•
•
40

•
• N/W
•
•
48
... etc

•
• Interactivemediums.com

54

•
• Web
• β

56

AP4R
•
•
•
•
CPU

57

• AP4R ×2

• Rails × 4 / AP4R

•1
• MySQL
58

Interactivemediums.com

59

•
•
TextMe for Business
( http://textmeforbusiness.com )

• 2007 7
60

http://textmeforbusiness.com/

61

on SMS
AP4R queues
acceptance

inbound Text
processing

delivery outbound delivery
delivery
processing

Third Party
routing application

62

:Firefox =>

(c) 2007 Mozilla Japan
66

Foxkeh

:Firefox =>

(c) 2007 Mozilla Japan
67

Duke

:Java =>

68 https://duke.dev.java.net/

Copyright © 2007 by Kanican

Licensed under Creative Commons License.

71

> “AP4R”.sub(/4/, ”A”)

> “APAR”.downcase
> “apar”
>

Dictionary http://www.alc.co.jp/
Photo http://www.ﬂickr.com/photos/jeffclow/29738818/
72


Licensed under Creative Commons License.
73


74

1.

2.

3.

4.

5.

6.
77

ap4r.async_to({destination},
{data}
[,{options}])

c.f. RDoc: http://ap4r.rubyforge.org/doc/
82

Class AsyncShopController < ApplicationController

def order # synchronous part
o = Order.new(:name => params[:name])
o.save!
ap4r.async_to({:action => ‘payment’},
{:order_id => o.id})

redirect_to ...
end

def payment # asynchronous part
Payment.new(:order_id => params[:order_id]).save!
...
render :text => ‘true’
end

end
83

User Apache Rails AP4R

84


order
message put

85


o.save!

redirect_to ...
end

...
end

end
86


order
message put

87


dispatch
88


payment

89


o.save!

redirect_to ...
end

...
end

end
90


93


95


URL rewrite

97


URL rewrite
HTTP

97


URL rewrite
HTTP

98

• : HTTP POST

• :
• SOAP
• XML-RPC
• dRuby
99

2

Task “busy”

Task “heavy”
101

busy

URL rewrite

heavy

102

dispatchers:
-
targets: queue.very_busy.*
threads: 10
modify_rules:
url: proc {|url| url.host = quot;busy.async.hostquot;}
-
targets: queue.very_heavy.*
threads: 1
modify_rules:
url: proc {|url| url.host = quot;heavy.async.hostquot;}

103

Client Server

A B

order payment

107

AP4R
Client Rails AP4R Rails × 3

108


A

order

109


A B

order payment

110


100
75
50
25
0

111

1.

2.

3.

4.

5.

6.
115

Stored And Forward

118

Rails app-DB AP4R msg-DB

CRUD Store
SAF create
commit
Forward
message put
insert /commit

SAF delete
✓
120

Enterprise Integration Patterns:
Designing, Building, and
Deploying Messaging Solutions
by Gregor Hohpe,Bobby Woolf

Guaranteed Delivery [122]

121

Rails app-DB AP4R

start

end

124

Rails app-DB AP4R

start
CRUD

end

124

Rails app-DB AP4R

start
CRUD

commit

end

124

Rails app-DB AP4R

start
CRUD

commit

message put / commit

end

124

Rails app-DB AP4R

start
CRUD

commit


end
data
124

Rails app-DB AP4R

start
CRUD

commit


end
data messages
124

Ap4r::Client#transaction
Class ShopController < ApplicationController
def order # synchronous side
ap4r.transaction do
o = Order.new(:name => params[:order_id])
o.save!


end

redirect_to ...
end
end
130

ap4r.transaction

ap4r.transaction do
... # CRUD on database

ap4r.async_to(...)

end
132

ap4r.transaction

ap4r.transaction do

ap4r.async_to(...) Insert into SAF table

end
132

ap4r.transaction

ap4r.transaction do


end Commit database

132

ap4r.transaction

ap4r.transaction do


end Commit database
Queue messages

132

ap4r.transaction

ap4r.transaction do

Store

end Commit database
Queue messages

132

ap4r.transaction

ap4r.transaction do

Store

end Commit database
Queue messages
Forward
132

start
CRUD

commit


end
data messages

134

start
CRUD

commit


end
data messages

135

start
CRUD

commit


end
data messages

136

start
CRUD

commit
counterchange

end
data messages

137

start
CRUD

counterchange
commit

end
data messages

138

start
CRUD


commit

end
data messages

139

start
CRUD


commit

end
data messages

140

start
CRUD


commit

end
data messages

141

•
• N/W
•
•
... etc
142

start CRUD

SAF create

commit

SAF update
end
data messages

145

start CRUD

SAF create

commit

SAF update
end
data messages

146

start CRUD

SAF create

commit

SAF update
end
data messages

147

start CRUD

SAF create

commit

SAF update
end
data ☺ messages

147

start CRUD

SAF create

commit

SAF update
end
data messages

148

start CRUD

SAF create

commit

SAF update
end
data messages

149

start CRUD

SAF create

commit

SAF update
end
data ☺ messages

149

start CRUD

SAF create

commit

SAF update
end
data messages

150

start CRUD

SAF create

commit

SAF update
end
data messages

151

start CRUD

SAF create

commit

SAF update
end
data messages
messages
151

start CRUD

SAF create

commit
Recoverable
SAF update
end
data messages
messages
151

start CRUD

SAF create

commit
Recoverable
SAF update
end
data
messages ☺ messages

151

start CRUD

SAF create

commit

SAF update
end
data messages

152

start CRUD

SAF create

commit

SAF update
end
data messages

153

start CRUD

SAF create

commit

SAF update
end
data messages
messages
153

start CRUD

SAF create

commit

SAF update
end
data

153

start CRUD

SAF create

commit

SAF update Duplicated
end
data

153

•
• Capistrano (2.x)
•
158

2
• Functional
•
•

• Async
•
•
159

gihyo.jp

• AP4R Ruby
• 4 (2007.9.6 - 9.27)
• http://gihyo.jp/dev/feature/01/ap4r

160

• ...

• N/W
•
•
164

2
• Functional
•
•

• Async
•
•
165

Functional

•
•

166

def test_order
post :order, :order => {:item => quot;introduction to AP4Rquot;}
assert_response :redirect
assert_redirected_to :action => 'index'

messages = @controller.ap4r.queued_messages # ... (1)
assert_equal 1, messages.keys.size, quot;should have messages in just ONE queuequot;
assert messages.key?(quot;queue.async_shop.paymentquot;), quot;queue name is INCORRECTquot;
# ... (2)
assert_equal 1, messages[quot;queue.async_shop.paymentquot;].size,
quot;should have just ONE message for paymentquot;
assert_match /order_id=d+/, messages[quot;queue.async_shop.paymentquot;].first[:body],
quot;parameter order_id should be included with a numeric valuequot; # ... (3)
end

1.
2. assert
3. assert
168

functional test

rake .. CRUD

message put
Stub
assert

assert

169

Async

•
•
• e.g.

170

[RAILS_ROOT]/test/async/ap4r_test_helper.rb
ENV[quot;RAILS_ENVquot;] = quot;testquot;
require File.expand_path(File.dirname(__FILE__) + quot;/../../config/environmentquot;)
require quot;ap4r/service_handlerquot;

ap4r_test_helper = Ap4r::ServiceHandler.new

require 'test_help'

class Test::Unit::TestCase
self.use_transactional_fixtures = false
self.use_instantiated_fixtures = false

# Add more helper methods to be used by all tests here...
cattr_accessor :ap4r_helper

def ap4r_helper
@@ap4r_helper
end

def with_services(&block)
ap4r_helper.with_services(&block)
end
end

Test::Unit::TestCase.ap4r_helper = ap4r_test_helper

172

[RAILS_ROOT]/test/async/async_shop_test.rb
require quot;#{File.dirname(__FILE__)}/ap4r_test_helperquot;
require 'net/http'

class AsyncShopTest < Test::Unit::TestCase

def test_http_dispatch
ap4r_helper.stop_dispatchers # ... (1)

assert_rows_added(Order, 1) { # ... (3)
do_order # ... (2)
}
assert_rows_added(Payment, 1) { # ... (6)
ap4r_helper.start_dispatchers # ... (4)
ap4r_helper.wait_all_done # ... (5)
}
end

private
# Requests to <tt>async_shop/order</tt>.
def do_order(item_name = quot;test itemquot;)
Net::HTTP.start(quot;localhostquot;, 3000, nil, nil) do |http|
http.request_post(quot;/async_shop/orderquot;,
quot;order[item]=#{item_name}quot;) do |res|
#nop
end
end
end

def assert_rows_added(model, rows)
rows_before = model.count
yield
rows_after = model.count
assert_equal rows, rows_after - rows_before, quot;table '#{model.table_name}' should count up by #{rows}quot;
end
end

173

1. dispatcher
2. HTTP POST Rails
3. orders assert
4. dispatcher
5.
6. payment assert

174

async test

rake ..
service control
HTTP
CRUD

message put
assert
HTTP
CRUD
assert

175

• 2
• Functional
• Async
•
176

• API

• Rails
•
181

• dispatcher

• SAF
•
182

ver.0.3.x

☑
☑ URL
☑ DLQ / SAF
□ : Stomp, HTTP
184

ver.0.4.x

□ OSS Cacti,
ZABBIX

□ AP4R

□
185

ver.0.5.x

□
□
□
186

□
☑

□
□ Ruby off Rails
187

AP4R@RubyForge
• wiki: http://ap4r.rubyforge.org/wiki/wiki.pl?HomePage

• source: svn co http://ap4r.rubyforge.org/svn/trunk/ap4r

• ML: http://rubyforge.org/mailman/listinfo/ap4r-user

Your patches are welcome!
Thank you.

by Kanican
188

• Future Architect logo belongs to Future Architect, Inc.
Japan. All rights reserved.

• Rails logo is trademarks of David Heinemeier
Hansson. All rights reserved.

• The Ruby logo is copyrighted (c) 2006, Yukihiro
Matsumoto. It is released under the terms of the
Creative Commons Attribution-ShareAlike 2.5 License.

189

AP4R on Developers Summit 2008

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