NewsBlur-viq/node/unread_counts.coffee
2024-02-25 14:24:58 -05:00

90 lines
3.5 KiB
CoffeeScript

fs = require 'fs'
redis = require 'redis'
log = require './log.js'
unread_counts = (server) =>
ENV_DEV = process.env.NODE_ENV == 'development' or process.env.NODE_ENV == 'debug'
ENV_PROD = process.env.NODE_ENV == 'production'
ENV_DOCKER = process.env.NODE_ENV == 'docker'
REDIS_SERVER = "db_redis"
if ENV_DEV
REDIS_SERVER = 'localhost'
else if ENV_PROD
REDIS_SERVER = 'db-redis-pubsub.service.nyc1.consul'
SECURE = !!process.env.NODE_SSL
REDIS_PORT = if ENV_DOCKER then 6579 else 6383
# client = redis.createClient 6379, REDIS_SERVER
# RedisStore = require 'socket.io/lib/stores/redis'
# rpub = redis.createClient 6379, REDIS_SERVER
# rsub = redis.createClient 6379, REDIS_SERVER
# rclient = redis.createClient 6379, REDIS_SERVER
log.debug "Starting NewsBlur unread count server..."
if !ENV_DEV and !process.env.NODE_ENV
log.debug "Specify NODE_ENV=<development,production>"
return
else if ENV_DEV
log.debug "Running as development server"
else if ENV_DOCKER
log.debug "Running as docker server"
else
log.debug "Running as production server"
io = require('socket.io')(server, path: "/v3/socket.io")
# io.set('transports', ['websocket'])
# io.set 'store', new RedisStore
# redisPub : rpub
# redisSub : rsub
# redisClient : rclient
io.on 'connection', (socket) ->
ip = socket.handshake.headers['X-Forwarded-For'] || socket.handshake.address
socket.on 'subscribe:feeds', (@feeds, @username) =>
log.info @username, "Connecting (#{@feeds.length} feeds, #{ip})," +
" (#{io.engine.clientsCount} connected) " +
" #{if SECURE then "(SSL)" else ""}"
if not @username
return
socket.on "error", (err) ->
log.debug "Error (socket): #{err}"
socket.subscribe?.quit()
socket.subscribe = redis.createClient REDIS_PORT, REDIS_SERVER
socket.subscribe.on "error", (err) =>
log.info @username, "Error: #{err} (#{@feeds.length} feeds)"
socket.subscribe?.quit()
socket.subscribe.on "connect", =>
log.info @username, "Connected (#{@feeds.length} feeds, #{ip})," +
" (#{io.engine.clientsCount} connected) " +
" #{if SECURE then "(SSL)" else "(non-SSL)"}"
socket.subscribe.subscribe @feeds
feeds_story = @feeds.map (f) -> "#{f}:story"
socket.subscribe.subscribe feeds_story
socket.subscribe.subscribe @username
socket.subscribe.on 'message', (channel, message) =>
event_name = 'feed:update'
if channel == @username
event_name = 'user:update'
else if channel.indexOf(':story') >= 0
event_name = 'feed:story:new'
log.info @username, "Update on #{channel}: #{event_name} - #{message}"
socket.emit event_name, channel, message
socket.on 'disconnect', () =>
socket.subscribe?.quit()
log.info @username, "Disconnect (#{@feeds?.length} feeds, #{ip})," +
" there are now #{io.engine.clientsCount} users. " +
" #{if SECURE then "(SSL)" else "(non-SSL)"}"
io.sockets.on 'error', (err) ->
log.debug "Error (sockets): #{err}"
exports.unread_counts = unread_counts