// mgo - MongoDB driver for Go // // Copyright (c) 2010-2012 - Gustavo Niemeyer <gustavo@niemeyer.net> // // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this // list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR // ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. package mgo import ( "sync" ) var stats *Stats var statsMutex sync.Mutex func SetStats(enabled bool) { statsMutex.Lock() if enabled { if stats == nil { stats = &Stats{} } } else { stats = nil } statsMutex.Unlock() } func GetStats() (snapshot Stats) { statsMutex.Lock() snapshot = *stats statsMutex.Unlock() return } func ResetStats() { statsMutex.Lock() debug("Resetting stats") old := stats stats = &Stats{} // These are absolute values: stats.Clusters = old.Clusters stats.SocketsInUse = old.SocketsInUse stats.SocketsAlive = old.SocketsAlive stats.SocketRefs = old.SocketRefs statsMutex.Unlock() return } type Stats struct { Clusters int MasterConns int SlaveConns int SentOps int ReceivedOps int ReceivedDocs int SocketsAlive int SocketsInUse int SocketRefs int } func (stats *Stats) cluster(delta int) { if stats != nil { statsMutex.Lock() stats.Clusters += delta statsMutex.Unlock() } } func (stats *Stats) conn(delta int, master bool) { if stats != nil { statsMutex.Lock() if master { stats.MasterConns += delta } else { stats.SlaveConns += delta } statsMutex.Unlock() } } func (stats *Stats) sentOps(delta int) { if stats != nil { statsMutex.Lock() stats.SentOps += delta statsMutex.Unlock() } } func (stats *Stats) receivedOps(delta int) { if stats != nil { statsMutex.Lock() stats.ReceivedOps += delta statsMutex.Unlock() } } func (stats *Stats) receivedDocs(delta int) { if stats != nil { statsMutex.Lock() stats.ReceivedDocs += delta statsMutex.Unlock() } } func (stats *Stats) socketsInUse(delta int) { if stats != nil { statsMutex.Lock() stats.SocketsInUse += delta statsMutex.Unlock() } } func (stats *Stats) socketsAlive(delta int) { if stats != nil { statsMutex.Lock() stats.SocketsAlive += delta statsMutex.Unlock() } } func (stats *Stats) socketRefs(delta int) { if stats != nil { statsMutex.Lock() stats.SocketRefs += delta statsMutex.Unlock() } }