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| include::banner.adoc[] |
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| == Pair (Two Way Radio) |
| |
| image::pair.png[Two Way Radio] |
| |
| The pair pattern is used when there a one-to-one peer relationship. |
| Only one peer may be connected to another peer at a time, but both |
| may speak freely. |
| |
| .pair.c |
| [source,c] |
| ---- |
| include::src/pair.c[] |
| ---- |
| <1> Blithely assumes message is ASCIIZ string. Real code should check it. |
| |
| .Compilation |
| [source,bash] |
| ---- |
| gcc pair.c -lnanomsg -o pair |
| ---- |
| |
| .Execution |
| [source,bash] |
| ---- |
| ./pair node0 ipc:///tmp/pair.ipc & node0=$! |
| ./pair node1 ipc:///tmp/pair.ipc & node1=$! |
| sleep 3 |
| kill $node0 $node1 |
| ---- |
| |
| .Output |
| ---- |
| node0: SENDING "node0" |
| node1: SENDING "node1" |
| node1: RECEIVED"node0" |
| node0: SENDING "node0" |
| node0: RECEIVED"node1" |
| ---- |
