From 302093035edefe8011ab736c86a53d5777983e7e Mon Sep 17 00:00:00 2001
From: Maxton Huff <maxton.huff@molecula.com>
Date: Wed, 10 Feb 2021 12:37:13 -0600
Subject: [PATCH] add licence header

---
 server/trial.go | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/server/trial.go b/server/trial.go
index 85df72422..8feb6bfa4 100644
--- a/server/trial.go
+++ b/server/trial.go
@@ -1,3 +1,22 @@
+// Copyright 2017 Pilosa Corp.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Package server contains the `pilosa server` subcommand which runs Pilosa
+// itself. The purpose of this package is to define an easily tested Command
+// object which handles interpreting configuration and setting up all the
+// objects that Pilosa needs.
+
 package server
 
 import (
@@ -12,18 +31,18 @@ func (m *Command) trialVersion() {
 	if pilosa.TrialDeadline != "" {
 		endTime, err := time.Parse("2006-01-02", pilosa.TrialDeadline)
 		if err != nil {
-			m.logger.Printf("parsing curTime from make file: %v", err)
+			m.logger.Printf("parsing trial deadline: %v", err)
 			os.Exit(1)
 		}
 		go m.dailyCheck(endTime)
 	}
 }
 
-const hoursPerCheck = 24 * time.Hour
+const trialCheckInterval = 24 * time.Hour
 
 // dailyCheck runs in the background while a trial version of Molecula is being run, displaying daily reminders of the remaining days
 func (m *Command) dailyCheck(endTime time.Time) {
-	ticker := time.NewTicker(hoursPerCheck)
+	ticker := time.NewTicker(trialCheckInterval)
 	startTime, err := m.ntpServerTime(4)
 	if err != nil {
 		m.logger.Printf("reading ntp server time %v", err)
@@ -44,17 +63,17 @@ func (m *Command) dailyCheck(endTime time.Time) {
 	}
 }
 
-const url = "0.beevik-ntp.pool.ntp.org"
-const timeRequestDelay = 100 * time.Millisecond
+const ntpurl = "0.beevik-ntp.pool.ntp.org"
+const ntpRetryDelay = 100 * time.Millisecond
 
 // ntpServerTime attempts to reach ntp servers with delays between each attempt, returning the time value of the first connected server
 func (m *Command) ntpServerTime(retries int) (time.Time, error) {
-	t, err := ntp.Time(url)
+	t, err := ntp.Time(ntpurl)
 	if err != nil && retries <= 0 {
 		return t, err
 	}
 	if err != nil {
-		time.Sleep(timeRequestDelay)
+		time.Sleep(ntpRetryDelay)
 		return m.ntpServerTime(retries - 1)
 	}
 	return t, nil