2018-05-10 16:07:14 +08:00
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// Copyright 2018 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://gitee.com/johng/gf.
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2018-05-20 13:49:02 +08:00
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// "不要通过共享内存来通信,而应该通过通信来共享内存"
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2018-05-19 01:04:20 +08:00
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2018-05-10 16:07:14 +08:00
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package gproc
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import (
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"os"
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"gitee.com/johng/gf/g/os/gfile"
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"gitee.com/johng/gf/g/util/gconv"
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2018-05-20 13:49:02 +08:00
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"gitee.com/johng/gf/g/container/gmap"
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2018-05-10 16:07:14 +08:00
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"gitee.com/johng/gf/g/container/gqueue"
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)
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2018-05-20 13:49:02 +08:00
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// 本地进程通信发送消息队列
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var commSendQueue = gqueue.New()
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// 本地进程通信接收消息队列
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var commReceiveQueue = gqueue.New()
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// (用于发送)已建立的PID对应的Conn通信对象
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var commPidConnMap = gmap.NewIntInterfaceMap()
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2018-05-10 16:07:14 +08:00
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// TCP通信数据结构定义
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type Msg struct {
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2018-05-20 13:49:02 +08:00
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Pid int // PID,来源哪个进程
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Data []byte // 数据
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2018-05-10 16:07:14 +08:00
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}
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2018-05-20 13:49:02 +08:00
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// TCP通信数据结构定义
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type sendQueueItem struct {
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Pid int // PID,发向哪个进程
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Data []byte // 数据
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2018-05-10 16:07:14 +08:00
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}
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2018-05-20 13:49:02 +08:00
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// 进程管理/通信初始化操作
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func init() {
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2018-06-29 17:26:34 +08:00
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// 默认下为空("")
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if os.Getenv(gPROC_ENV_KEY_COMM_KEY) != "0" {
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2018-06-29 13:03:29 +08:00
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go startTcpListening()
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}
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2018-05-17 17:10:19 +08:00
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}
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2018-05-10 16:07:14 +08:00
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// 获取指定进程的通信文件地址
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func getCommFilePath(pid int) string {
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2018-05-15 18:34:00 +08:00
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return getCommDirPath() + gfile.Separator + gconv.String(pid)
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}
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// 获取进程间通信目录地址
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func getCommDirPath() string {
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2018-05-10 17:48:47 +08:00
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tempDir := os.Getenv("gproc.tempdir")
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if tempDir == "" {
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tempDir = gfile.TempDir()
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}
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2018-05-15 18:34:00 +08:00
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return tempDir + gfile.Separator + "gproc"
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2018-05-10 16:07:14 +08:00
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}
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