705x2b1s - CCSDS

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RECOMMENDATION FOR ADVANCED ORBITING SYSTEMSAnother packet request with different SHF, sequence count, data length and user data. Thedefault fields (version and packetType) must have their correct values for the packet to beaccepted.pkt ! MakePathID(APID(0,0,0,0,0,0,0,0,0,1,0),Add(1, Add(0, NullAPIDQual)))! Add(1, Add(0, NullAPIDQual))! MakeCCSDSPacket(MakePrimaryHeader(MakePacketID(Version1,PacketType(1),SHF(1),APID(0,0,0,0,0,0,0,0,0,1,0)),MakePacketSC(PacketSequenceUnSeg,PacketSequenceCount(0,0,0,0,0,0,0,0,0,0,0,1,0,0)),PacketLength(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)),AddFront(Octet(0,0,0,0,0,0,1,1), NullOS)) ;resulting in the following indication:pkt ! MakePathID(APID(0,0,0,0,0,0,0,0,0,1,0),Add(1, Add(0, NullAPIDQual)))! Add(1, Add(0, NullAPIDQual))! MakeCCSDSPacket(MakePrimaryHeader(MakePacketID(Version1,PacketType(1),SHF(1),APID(0,0,0,0,0,0,0,0,0,1,0)),MakePacketSC(PacketSequenceUnSeg,PacketSequenceCount(0,0,0,0,0,0,0,0,0,0,0,1,0,0)),PacketLength(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)),AddFront(Octet(0,0,0,0,0,0,1,1), NullOS)) ;success ; exit)))endprocendprocCCSDS HISTORICAL DOCUMENTCCSDS 705.2-B-1 Page A-77 May 1994CCSDS HISTORICAL DOCUMENT
Path Service Test 3aRECOMMENDATION FOR ADVANCED ORBITING SYSTEMSThis test attempts to send user-formatted packets on a path which is set up as a packet source,only the valid packet should be accepted, leaving the badly formatted ones.Run the test using the command:ts2 ps.t3a.lot ps.lotType START at the hippo prompt (after some time) and then select pst3a from the menu. Stepthrough the events offered using the NEXT command of hippo. Eventually the success eventshould take place and the next NEXT command will result in deadlock.The choice taken when multiple events are offered is not important for the success of this test,the exceptions to this are that the success event which should only be chosen if there are noalternatives, and that the losepacket event should not be chosen at all.The test result is successful only if the 'success' event happens (deadlock or failures before thisevent mean the specification does not accomplish the test).This process holds the test behaviour:process pst3a : noexit :=(hide pkt, oct, man in(test[pkt, oct, man]|[pkt, oct, man]|PathService[pkt, oct, man]))whereThis is the test behaviour itself:process test[pkt,oct,man] : exit :=hide success, failure in(CCSDS HISTORICAL DOCUMENTSet up the paths through the management gate:man ! MakePathID(APID(0,0,0,0,0,0,0,0,0,1,0),Add(1, Add(0, NullAPIDQual)))! UserFormatted! Add(MakeEndpoint(OctetString, true),CreateTL)! Packettype(0)! succ(succ(8));CCSDS 705.2-B-1 Page A-78 May 1994CCSDS HISTORICAL DOCUMENT
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