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124 lines
2.8 KiB
Go
124 lines
2.8 KiB
Go
// 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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// 进程管理.
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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/container/gmap"
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)
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// 进程管理器
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type Manager struct {
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processes *gmap.IntInterfaceMap // 所管理的子进程map
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}
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// 创建一个进程管理器
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func NewManager() *Manager {
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return &Manager{
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processes : gmap.NewIntInterfaceMap(),
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}
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}
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// 创建一个进程(不执行)
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func (m *Manager) NewProcess(path string, args []string, environment []string) *Process {
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p := NewProcess(path, args, environment)
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p.Manager = m
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return p
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}
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// 获取当前进程管理器中的一个进程
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func (m *Manager) GetProcess(pid int) *Process {
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if v := m.processes.Get(pid); v != nil {
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return v.(*Process)
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}
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return nil
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}
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// 添加一个已存在进程到进程管理器中
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func (m *Manager) AddProcess(pid int) {
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if m.processes.Get(pid) == nil {
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if process, err := os.FindProcess(pid); err == nil {
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p := m.NewProcess("", nil, nil)
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p.Process = process
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m.processes.Set(pid, p)
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}
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}
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}
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// 移除进程管理器中的指定进程
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func (m *Manager) RemoveProcess(pid int) {
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m.processes.Remove(pid)
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}
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// 获取所有的进程对象，构成列表返回
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func (m *Manager) Processes() []*Process {
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processes := make([]*Process, 0)
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m.processes.RLockFunc(func(m map[int]interface{}) {
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for _, v := range m {
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processes = append(processes, v.(*Process))
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}
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})
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return processes
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}
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// 获取所有的进程pid，构成列表返回
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func (m *Manager) Pids() []int {
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return m.processes.Keys()
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}
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// 等待所有子进程结束
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func (m *Manager) WaitAll() {
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processes := m.Processes()
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if len(processes) > 0 {
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for _, p := range processes {
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p.Wait()
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}
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}
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}
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// 关闭所有的进程
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func (m *Manager) KillAll() error {
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for _, p := range m.Processes() {
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if err := p.Kill(); err != nil {
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return err
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}
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}
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return nil
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}
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// 向所有进程发送信号量
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func (m *Manager) SignalAll(sig os.Signal) error {
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for _, p := range m.Processes() {
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if err := p.Signal(sig); err != nil {
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return err
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}
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}
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return nil
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}
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// 向所有进程发送消息
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func (m *Manager) Send(data []byte) {
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for _, p := range m.Processes() {
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p.Send(data)
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}
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}
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// 向指定进程发送消息
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func (m *Manager) SendTo(pid int, data []byte) error {
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return Send(pid, data)
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}
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// 清空管理器
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func (m *Manager) Clear() {
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m.processes.Clear()
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}
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// 当前进程总数
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func (m *Manager) Size() int {
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return m.processes.Size()
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} |