# All files / server stats.js

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     import { expose } from 'postmsg-rpc'
    import { pre, post } from 'prepost'
    import shortid from 'shortid'
    import pull from 'pull-stream'
    import PMS from 'pull-postmsg-stream'
    import { isBig, bigToJson } from '../serialization/big'
    import { functionToJson } from '../serialization/function'

    export default function (getIpfs, opts) {
      return {
        bw: expose('ipfs.stats.bw', pre(
          opts.pre('stats.bw'),
          post(
            (...args) => getIpfs().stats.bw(...args),
            (stats) => {
              if (stats) {
                if (isBig(stats.totalIn)) {
                  stats.totalIn = bigToJson(stats.totalIn)
                }

                if (isBig(stats.totalOut)) {
                  stats.totalOut = bigToJson(stats.totalOut)
                }

                if (isBig(stats.rateIn)) {
                  stats.rateIn = bigToJson(stats.rateIn)
                }

                if (isBig(stats.rateOut)) {
                  stats.rateOut = bigToJson(stats.rateOut)
                }
              }

              return stats
            }
          )
        ), opts),
        bwPullStream: expose('ipfs.stats.bwPullStream', pre(
          opts.pre('stats.bwPullStream'),
          post(
            (...args) => getIpfs().stats.bwPullStream(...args),
            (res) => new Promise((resolve) => {
              const readFnName = shortid()

              pull(
                res,
                PMS.sink(readFnName, Object.assign({}, opts, {
                  post (res) {
                    const stats = res.data

                    if (stats) {
                      if (isBig(stats.totalIn)) {
                        stats.totalIn = bigToJson(stats.totalIn)
                      }

                      if (isBig(stats.totalOut)) {
                        stats.totalOut = bigToJson(stats.totalOut)
                      }

                      if (isBig(stats.rateIn)) {
                        stats.rateIn = bigToJson(stats.rateIn)
                      }

                      if (isBig(stats.rateOut)) {
                        stats.rateOut = bigToJson(stats.rateOut)
                      }
                    }

                    return res
                  }
                }))
              )

              resolve(functionToJson(readFnName))
            })
          )
        ), opts)
      }
    }