代码整理

2024-08-21 15:32:05 +08:00
commit 84e5e65ee7
71 changed files with 29733 additions and 0 deletions
--- a/system/system.go
+++ b/system/system.go
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: 2022 mochi-mqtt, mochi-co
+// SPDX-FileContributor: mochi-co
+
+package system
+
+import "sync/atomic"
+
+// Info 系统信息 包含各种服务器统计信息的原子计数器和值
+// Info contains atomic counters and values for various server statistics
+// commonly found in $SYS topics (and others).
+// based on https://github.com/mqtt/mqtt.org/wiki/SYS-Topics
+type Info struct {
+	Version             string `json:"version"`              // the current version of the server
+	Started             int64  `json:"started"`              // the time the server started in unix seconds
+	Time                int64  `json:"time"`                 // current time on the server
+	Uptime              int64  `json:"uptime"`               // the number of seconds the server has been online
+	BytesReceived       int64  `json:"bytes_received"`       // total number of bytes received since the broker started
+	BytesSent           int64  `json:"bytes_sent"`           // total number of bytes sent since the broker started
+	ClientsConnected    int64  `json:"clients_connected"`    // number of currently connected clients
+	ClientsDisconnected int64  `json:"clients_disconnected"` // total number of persistent clients (with clean session disabled) that are registered at the broker but are currently disconnected
+	ClientsMaximum      int64  `json:"clients_maximum"`      // maximum number of active clients that have been connected
+	ClientsTotal        int64  `json:"clients_total"`        // total number of connected and disconnected clients with a persistent session currently connected and registered
+	MessagesReceived    int64  `json:"messages_received"`    // total number of publish messages received
+	MessagesSent        int64  `json:"messages_sent"`        // total number of publish messages sent
+	MessagesDropped     int64  `json:"messages_dropped"`     // total number of publish messages dropped to slow subscriber
+	Retained            int64  `json:"retained"`             // total number of retained messages active on the broker
+	Inflight            int64  `json:"inflight"`             // the number of messages currently in-flight
+	InflightDropped     int64  `json:"inflight_dropped"`     // the number of inflight messages which were dropped
+	Subscriptions       int64  `json:"subscriptions"`        // total number of subscriptions active on the broker
+	PacketsReceived     int64  `json:"packets_received"`     // the total number of publish messages received
+	PacketsSent         int64  `json:"packets_sent"`         // total number of messages of any type sent since the broker started
+	MemoryAlloc         int64  `json:"memory_alloc"`         // memory currently allocated
+	Threads             int64  `json:"threads"`              // number of active goroutines, named as threads for platform ambiguity
+}
+
+// Clone makes a copy of Info using atomic operation
+func (i *Info) Clone() *Info {
+	return &Info{
+		Version:             i.Version,
+		Started:             atomic.LoadInt64(&i.Started),
+		Time:                atomic.LoadInt64(&i.Time),
+		Uptime:              atomic.LoadInt64(&i.Uptime),
+		BytesReceived:       atomic.LoadInt64(&i.BytesReceived),
+		BytesSent:           atomic.LoadInt64(&i.BytesSent),
+		ClientsConnected:    atomic.LoadInt64(&i.ClientsConnected),
+		ClientsMaximum:      atomic.LoadInt64(&i.ClientsMaximum),
+		ClientsTotal:        atomic.LoadInt64(&i.ClientsTotal),
+		ClientsDisconnected: atomic.LoadInt64(&i.ClientsDisconnected),
+		MessagesReceived:    atomic.LoadInt64(&i.MessagesReceived),
+		MessagesSent:        atomic.LoadInt64(&i.MessagesSent),
+		MessagesDropped:     atomic.LoadInt64(&i.MessagesDropped),
+		Retained:            atomic.LoadInt64(&i.Retained),
+		Inflight:            atomic.LoadInt64(&i.Inflight),
+		InflightDropped:     atomic.LoadInt64(&i.InflightDropped),
+		Subscriptions:       atomic.LoadInt64(&i.Subscriptions),
+		PacketsReceived:     atomic.LoadInt64(&i.PacketsReceived),
+		PacketsSent:         atomic.LoadInt64(&i.PacketsSent),
+		MemoryAlloc:         atomic.LoadInt64(&i.MemoryAlloc),
+		Threads:             atomic.LoadInt64(&i.Threads),
+	}
+}