Function data

src/upstreamproxy/relay.ts:196–214

(sock, data)

        sock.data = { ...newConnState(), writeBuf: [] }
      },
      data(sock, data) {
        const st = sock.data
        const adapter: ClientSocket = {
          write: payload => {
            const bytes =
              typeof payload === 'string'
                ? Buffer.from(payload, 'utf8')
                : payload
            if (st.writeBuf.length > 0) {
              st.writeBuf.push(bytes)
              return
            }
            const n = sock.write(bytes)
            if (n < bytes.length) st.writeBuf.push(bytes.subarray(n))
          },
          end: () => sock.end(),
        }
        handleData(adapter, st, data, wsUrl, authHeader, wsAuthHeader)
      },
      drain(sock) {
        const st = sock.data
        while (st.writeBuf.length > 0) {