dat-replicator v3.3.0
dat-replicator
Replicate a dat instance to another one (in a smart way) using nothing but streams
npm install dat-replicator
Usage
Replicating is a simple as piping a few streams
var replicator = require('dat-replicator')
var r1 = replicator(dat1)
var r2 = replicator(dat2)
var send = r1.send()
var rcvd = r2.receive()
send.pipe(rcvd).pipe(send) // will sync dat1 to dat2
Real world example
First setup a dat instance to receive data. Using tcp this could look like
var replicator = require('dat-replicator')
var net = require('net')
var r = replicator(datReceive) // datReceive is a dat instance
net.createServer(function(socket) {
socket.pipe(r.receive()).pipe(socket)
}).listen(9090)
Then setup another that instance to send the data. Again using tcp
var r = replication(datSend) // datSend is a dat instance
var socket = net.connect(9090)
socket.pipe(r.send()).pipe(socket)
Thats it! All of the changes that datSend
have and that datReceive
doesn't will
be inserted into datReceive
.
Metadata
Per default metadata (the change count etc) is exchanged over the stream as well. If for some reason you already have this do
var send = r1.send({meta:{change:100}})
var rcvd = r2.receive({meta:false})
send.pipe(rcvd).pipe(send)
This will disable the metadata exchange
License
MIT
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