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Fix serializing of remote threads in concurrency.distributed 

The commit f20ee7a53b broke
serialization of remote threads and removed the local node
aspect of distributed messaging. This corrects that.
char-rename
Chris Double 2016-11-10 22:23:41 +13:00 committed by John Benediktsson
parent c1cdc2318f
commit 4c3714ac56
2 changed files with 19 additions and 6 deletions
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14
basis/concurrency/distributed/distributed-docs.factor
View File

@ -1,6 +1,13 @@
USING: help.markup help.syntax concurrency.messaging threads ;
USING: help.markup help.syntax concurrency.messaging io.servers threads ;
IN: concurrency.distributed
HELP: local-node
{ $var-description "A variable containing the " { $link threaded-server } " the current node is running on." } ;
HELP: start-node
{ $values { "addrspec" "an addrspec to listen on" } }
{ $description "Starts a " { $link threaded-server } " for receiving messages from remote Factor instances." } ;
ARTICLE: "concurrency.distributed.example" "Distributed Concurrency Example"
"In this example the Factor instance associated with port 9000 will run "
"a thread that receives and prints messages "
@ -11,7 +18,7 @@ ARTICLE: "concurrency.distributed.example" "Distributed Concurrency Example"
"[ log-message ] \"logger\" spawn dup name>> register-remote-thread"
}
}
"This spawns a thread waits for the messages. It registers that thread as a "
"This spawns a thread waits for the messages. It registers that thread as "
"able to be accessed remotely using " { $link register-remote-thread } "."
$nl
"The second Factor instance, the one associated with port 9001, can send "
@ -38,7 +45,8 @@ $nl
ARTICLE: "concurrency.distributed" "Distributed message passing"
"The " { $vocab-link "concurrency.distributed" } " implements transparent distributed message passing, inspired by Erlang and Termite." $nl
"Instances of " { $link thread } " can be sent to remote threads, at which point they are converted to objects holding the thread ID and the current node's host name:"
{ $subsections local-node start-node }
"Instances of " { $link thread } " can be sent to remote nodes, at which point they are converted to objects holding the thread ID and the current node's addrspec:"
{ $subsections remote-thread }
"The " { $vocab-link "serialize" } " vocabulary is used to convert Factor objects to byte arrays for transfer over a socket."
{ $subsections "concurrency.distributed.example" } ;

11
basis/concurrency/distributed/distributed.factor
View File

@ -22,6 +22,8 @@ PRIVATE>
: get-remote-thread ( name -- thread )
dup registered-remote-threads at [ ] [ threads at ] ?if ;
SYMBOL: local-node
: handle-node-client ( -- )
deserialize
[ first2 get-remote-thread send ] [ stop-this-server ] if* ;
@ -32,6 +34,9 @@ PRIVATE>
"concurrency.distributed" >>name
[ handle-node-client ] >>handler ;
: start-node ( addrspec -- )
<node-server> start-server local-node set-global ;
TUPLE: remote-thread node id ;
C: <remote-thread> remote-thread
@ -44,10 +49,10 @@ M: remote-thread send ( message thread -- )
send-remote-message ;
M: thread (serialize) ( obj -- )
id>> [ insecure-addr ] dip <remote-thread> (serialize) ;
id>> [ local-node get insecure>> ] dip <remote-thread> (serialize) ;
: stop-node ( node -- )
f swap send-remote-message ;
: stop-node ( -- )
local-node get insecure>> f swap send-remote-message ;
[
H{ } clone \ registered-remote-threads set-global