65 lines
2.2 KiB
Factor
65 lines
2.2 KiB
Factor
! Copyright (C) 2007 Chris Double.
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! See http://factorcode.org/license.txt for BSD license.
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USING: channels concurrency.distributed help.markup help.syntax
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io.servers strings ;
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IN: channels.remote
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HELP: <remote-channel>
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{ $values { "node" "a node object" }
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{ "id" "the id of the published channel on the node" }
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{ "remote-channel" remote-channel }
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}
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{ $description "Create a remote channel that acts as a proxy for a "
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"channel on another node. The remote node's channel must have been "
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"published using " { $link publish } " and the id should be the id "
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"returned by " { $link publish }
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}
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{ $examples
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{ $code "\"localhost\" 9000 <node> \"ID123456\" <remote-channel> \"foo\" over to" }
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}
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{ $see-also publish unpublish } ;
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HELP: unpublish
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{ $values { "id" string }
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}
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{ $description "Stop a previously published channel from being "
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"accessible by remote nodes."
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}
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{ $examples
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{ $code "<channel> publish unpublish" }
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}
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{ $see-also <remote-channel> publish } ;
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HELP: publish
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{ $values { "channel" "a channel object" }
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{ "id" string }
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}
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{ $description "Make a channel accessible via remote Factor nodes. "
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"An id is returned that can be used by another node to use "
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{ $link to } " and " { $link from } " to access the channel."
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}
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{ $examples
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{ $code "<channel> publish" }
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}
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{ $see-also <remote-channel> unpublish } ;
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ARTICLE: "channels.remote" "Remote Channels"
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"Remote channels are channels that can be accessed by other Factor instances. It uses distributed concurrency to serialize and send data between channels."
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$nl
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"To start a remote node, distributed concurrency must have been started. This can be done using " { $link start-server } "."
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$nl
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{ $snippet "\"myhost.com\" 9001 start-server" }
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$nl
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"Once the node is started, channels can be published using " { $link publish }
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" to be accessed remotely. " { $link publish } " returns an id which a remote node "
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"needs to know to access the channel."
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$nl
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{ $snippet "<channel> dup [ from . flush ] curry \"test\" spawn drop publish" }
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$nl
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"Given the id from the snippet above, a remote node can put items in the channel (where 123456 is the id):"
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$nl
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{ $snippet "\"myhost.com\" 9001 <node> 123456 <remote-channel>\n\"hello\" over to" }
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;
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ABOUT: "channels.remote"
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