websocket/storage/connection.go

// Package storage ...
//
// Description : 在线连接的存储
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2021-04-08 5:46 下午
package storage

import (
	"github.com/go-developer/gopkg/easymap"
	"github.com/go-developer/websocket/context"
)

// NewDefaultConnectionManager 默认的内存连接管理实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:32 下午 2021/4/17
func NewDefaultConnectionManager() IConnection {
	c := &connection{}
	c.table, _ = easymap.NewSegment(4096, true)
	return c
}

type connection struct {
	table easymap.EasyMap
}

func (c *connection) Store(ctx *context.WSContext) {
	c.table.Set(ctx.ConnectionID, ctx)
}

func (c *connection) Del(ctx *context.WSContext, message string) {
	if len(message) > 0 {
		_ = ctx.Session.Write([]byte(message))
		_ = ctx.Session.Close()
	}
	c.table.Del(ctx.ConnectionID)
}

func (c *connection) GetCtxList(cidList ...string) []*context.WSContext {
	cidTable := make(map[string]bool)
	for _, item := range cidList {
		cidTable[item] = true
	}
	list := c.table.GetAll()
	result := make([]*context.WSContext, 0)
	for _, c := range list {
		if r, ok := c.(*context.WSContext); ok {
			if len(cidTable) == 0 {
				result = append(result, r)
				continue
			}
			if _, exist := cidTable[r.ConnectionID]; exist {
				result = append(result, r)
				continue
			}
		}
	}
	return result
}

func (c *connection) Clear(message string) {
	// TODO : 清空连接表
	// connectionList := c.GetCtxList()
}