mirror of https://github.com/dspinellis/UMLGraph
54 lines
888 B
Plaintext
54 lines
888 B
Plaintext
#/usr/bin/pic2plot -Tps
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#
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# Run as pic filename | groff | ps2eps
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#
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# DNS query collaboration diagram
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#
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#
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.PS
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copy "sequence.pic";
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boxwid = 1.3;
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# Define the objects
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object(B,":Web Browser");
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object(W,":Workstation Kernel");
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object(S,":Server Kernel");
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object(D,":DNS Server");
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step();
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# Message sequences
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active(B);
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active(D);
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active(W);
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active(S);
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message(D,S,"select");
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inactive(D);
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message(B,W,"socket");
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message(B,W,"connect");
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message(B,W,"sendto");
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message(W,W,"send packet");
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message(W,S,"DNS A query");
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message(B,W,"recvfrom");
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inactive(B);
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message(S,S,"receive packet");
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rmessage(S,D,"select returns");
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active(D);
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message(D,S,"recvfrom");
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message(D,S,"sendto");
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message(S,S,"send packet");
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message(S,W,"DNS A reply");
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message(W,W,"receive packet");
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rmessage(W,B,"recvfrom returns");
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active(B);
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message(B,W,"close");
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complete(B);
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complete(W);
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complete(S);
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complete(D);
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.PE
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