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Kodegenerering

Kodegenerering. Til RPC. Uafklarede områder. Performance med WebService /SOAP Nye målinger på localhost. Problemet. Flash SOAP. POST / RpcSoapTester /services/Server HTTP/1.1 x-flash-version: 10,0,22,91 Content-Type: text / xml ; charset =utf-8 SOAPAction : "" Content- Length : 773

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Kodegenerering

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  1. Kodegenerering Til RPC

  2. Uafklarede områder • Performance med WebService/SOAP • Nye målinger på localhost

  3. Problemet

  4. Flash SOAP POST /RpcSoapTester/services/Server HTTP/1.1 x-flash-version: 10,0,22,91 Content-Type: text/xml; charset=utf-8 SOAPAction: "" Content-Length: 773 User-Agent: Shockwave Flash Host: localhost:81 Cache-Control: no-cache <SOAP-ENV:Envelopexmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <SOAP-ENV:BodySOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <intf:callWithObjectxmlns:intf="http://test"> <objectxsi:type="tns1:TestObject" xmlns:tns1="http://objects.generated.rpcgenerator.com"> <objectsSOAP-ENC:arrayType="tns1:TestObjectItem[]" xsi:type="SOAP-ENC:Array" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"> <item xsi:type="tns1:TestObjectItem"> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> </item> </objects> </object> </intf:callWithObject> </SOAP-ENV:Body> </SOAP-ENV:Envelope>

  5. Java/Axis SOAP HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Content-Type: text/xml;charset=utf-8 Transfer-Encoding: chunked Date: Sat, 13 Nov 2010 13:58:56 GMT 445 <?xml version="1.0" encoding="utf-8"?> <soapenv:Envelopexmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><soapenv:Body><ns1:callWithObjectResponse soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns1="http://test"> <callWithObjectReturnhref="#id0"/> </ns1:callWithObjectResponse> <multiRef id="id0" soapenc:root="0" soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xsi:type="ns2:TestObject" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns2="http://objects.generated.rpcgenerator.com"> <objectssoapenc:arrayType="ns2:TestObjectItem[1]" xsi:type="soapenc:Array"> <objectshref="#id1"/> </objects> </multiRef> <multiRef id="id1" soapenc:root="0" soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xsi:type="ns3:TestObjectItem" xmlns:ns3="http://objects.generated.rpcgenerator.com" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> <item xsi:type="xsd:string">x</item> </multiRef> </soapenv:Body> </soapenv:Envelope> 0

  6. Gammel måling

  7. Ny måling

  8. Timing checkI millisekunder med binær.Array med 0 elementer. Sendt : 12 bytes. Modtaget: 8 bytes

  9. WebService/SOAPMåling i millisekunder. Array med 5.000 elementer. Sendt : 225Kb. Modtaget: 331Kb

  10. [1-2] AS3 marshalling • Mistanke: Flash/AS3 • Ekstra tidsmåling på afsendelse • Alternativer • Skrive eget webservice framework

  11. BinærMåling i millisekunder. Array med 50.000 elementer. Sendt og modtaget: 250Kb

  12. [4-5] Java marshalling • Mistanke: java.nio.ByteBuffer • Pris for at udvide buffer mange gange • Alternativer • Skrive direkte til stream ? • Benytte array eller Collection til data i stedet • Andre forbedringer • Nye datatyper til korte lister og strenge

  13. Optimeret binærMåling i millisekunder. Array med 50.000 elementer. Sendt og modtaget: 250Kb

  14. Optimeret binær (datatung)Måling i millisekunder. Array med 1.000.000 elementer. Sendt og modtaget: 5Mb

  15. XMLMåling i millisekunder. Array med 100.000 elementer. Sendt og modtaget: 800Kb

  16. Konklusion • Ringe WebService performance skyldes Flash • Forståelse for egen udvikling af framework • Binær optimeret • Stadig favorit • Marshalling mere krævende en unmarshalling • Reservering i memory • Monitor • Viden om opbygning af HTTP

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