CoDec - TTCN-3

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CoDec Development• TTCN-3 uses an abstract representation for themessages (similar to ASN.1)• Messages exchanged with the SUT need to beencoded in a binary format– protocol messages that are based on ASN.1 can beencoded/decoded automatically using the adequaterules (BER, PER, ...)– for the other protocols it is necessary to develop anexternal CoDec (Coding/Decoding module)14
CoDec Module FeaturesMessage to be sent to the SUT(generated by the TTCN-3 test)4 20 154 44132.154.14.2180 1025ENCODINGActual binary messagetransmitted to the SUT01001100010111011...Message reported to theTTCN-3 test4 20 154 4410.1.2.201025 80CoDecDECODINGBinary messagereceived from the SUT01001100010111011...15
Page 1 and 2: How to implement TTCN-3codecs and a
Page 3 and 4: Scope of the TutorialTTCN-3 Abstrac
Page 5 and 6: Layout of a TTCN-3 ExecutableTest S
Page 7 and 8: Test Suite Development ProcessTest
Page 9 and 10: Tutorial Purpose• Provide good pr
Page 11 and 12: Summary1. The TTCN-3 standard inter
Page 13: triMap(...)triSend(...)Implementing
Page 19 and 20: 19T3DevKit Layout
Page 21 and 22: Waf Motivations• Why build the te
Page 25 and 26: HelloWorld TTCN-3 sourcemodule Hell
Page 27 and 28: Implementing the System Adapter (2/
Page 29 and 30: Building the Test SuiteHelloWorld w
Page 31 and 32: HelloWorld Summary• System Adapte
Page 33 and 34: The Quiz Example• Purpose:- imple
Page 35 and 36: Quiz TTCN-3 source (testcase)module
Page 37 and 38: Quiz TTCN-3 source (template)module
Page 39: Implementing Message Reception (1/2
Page 42 and 43: Reminder: TTCN-3 user-defined types
Page 44 and 45: Encoding/Decoding the record typeno
Page 46 and 47: Executionabaire@kakrafoon:~/git/t3d
Page 50 and 51: The DNS Example• Implement a DNS
Page 52 and 53: DNS messages in TTCN-3module DNS{ty
Page 54 and 55: DNS header in TTCN-3module DNS{type
Page 56 and 57: DNS question in TTCN-3module DNS{ty
Page 58 and 59: DNS resource record in TTCN-3module
Page 60 and 61: Implementing the DNS CoDec• Autom
Page 62 and 63: How does the generated CoDec looks
Page 64 and 65:
Decoding DNSResourceDataDecoding co
Page 66 and 67:
Decoding DNSResourceDatafunction ca
Page 68 and 69:
Decoding the DNSHeaderDecoding code
Page 70 and 71:
Encoding & Decoding the IP AddressM
Page 72 and 73:
Decoder for the DNS Name• similar
Page 74 and 75:
Implementing the DNS Encoder• spe
Page 76 and 77:
Encoding the length ofDNSResourceDa
Page 78 and 79:
Building the Test SuiteDNS Makefile
Page 80 and 81:
Execution: : :abaire@kakrafoon:~/gi
Page 82:
Questions ?Contacts: abaire@irisa.f
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CoDec - TTCN-3

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