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becomes accessible through message queues\n([AMQP](http://en.wikipedia.org/wiki/Advanced_Message_Queuing_Protocol) or [MQTT](http://en.wikipedia.org/wiki/MQTT)),\nand msgflo can coordinate how multiple such networks send data between eachother.\n\nWill eventually allow a single entry-point for\n[FBP runtime protocol](http://noflojs.org/documentation/protocol) clients (like [Flowhub](http://flowhub.io))\nto access NoFlo FBP networks that span multiple nodes.\n\n\nUsage\n------\n\nUsing the commandline tool\n\n    noflo-runtime-msgflo --name myworker --graph project/WorkerGraph --broker amqp://foo.cloudamqp.com/bar\n\nAltenatively one can use the embedding API, see [src/mount.coffee](./src/mount.coffee)\n\n    runtime = require 'noflo-runtime-msgflo'\n    options =\n      name: 'gssmeasure'\n      graph: 'the-grid-api/PrecomputeGss',\n      basedir: __dirname\n      broker: config.amqp.url,\n    rt = new runtime.mount.Mounter options\n    rt.start (err, rt) -\u003e\n      # started\n\n## Debugging\n\nnoflo-runtime-msgflo supports [flowtrace](https://github.com/flowbased/flowtrace) allows to trace \u0026 store the execution of the NoFlo network,\nso you can debug any issues that would occur.\nYou can enable tracing using `--trace` commandline argument,\nor via the `trace:start` [FBP runtime protocol](http://noflojs.org/documentation/protocol/#trace) message.\n\n    noflo-runtime-msgflo --graph project/MyMainGraph --trace\n\nTo trigger dumping a flowtrace locally, send the `SIGUSR2` Unix signal\n\n    kill -SIGUSR2 $PID_OF_PROCESS\n    ... Wrote flowtrace to: /tmp/1151020-12063-ami5vq.json\n\nOr, to trigger a flowtrace remotely, send a `trace:dump` FBP protocol message to the queue of participant.\n\n    msgflo-send-message --queue .fbp.$participantId.receive --json '{ \"protocol\":\"trace\", \"command\":\"dump\", \"payload\":{ \"graph\":\"default\", \"type\":\"flowtrace.json\"} }'\n\nThen, assuming `.fbp.$participantId.send` has been bound to queue `my-flowtraces`, one could download it\n\n    msgflo-dump-message --queue my-flowtraces --amount 1\n\nYou can now use various flowtrace tools to introspect the data.\nFor instance, you can get a human readable log using `flowtrace-show`\n\n    flowtrace-show /tmp/1151020-12063-ami5vq.json\n\n    -\u003e IN repeat CONN\n    -\u003e IN repeat DATA hello world\n    -\u003e IN stdout CONN\n    -\u003e IN stdout DATA hello world\n    -\u003e IN repeat DISC\n    -\u003e IN stdout DISC\n\nOptimizing startup time\n----\n\nSince NoFlo 0.7 [FBP manifest](https://github.com/flowbased/fbp-manifest) \nis used, making it possible to cache components which turns process startup\nfaster due to less disk IO.\nTo cache graph's components, first install `noflo` and run\n`noflo-cache-preheat` to create the FBP manifest file `fbp.json`. Then run the\ngraph passing the cache parameter:\n\n    noflo-runtime-msgflo --cache true --name myworker --graph project/WorkerGraph --broker amqp://foo.cloudamqp.com/bar\n\nTODO\n-----\n\n### 0.3\n\n* Implement [FBP protocol over msgflo](https://github.com/noflo/noflo-runtime-msgflo/issues/30) transport\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnoflo%2Fnoflo-runtime-msgflo","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnoflo%2Fnoflo-runtime-msgflo","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnoflo%2Fnoflo-runtime-msgflo/lists"}