89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package output
|
|
|
|
import (
|
|
"os"
|
|
"sync"
|
|
|
|
"github.com/b3log/wide/session"
|
|
"github.com/golang/glog"
|
|
)
|
|
|
|
// 所有用户正在运行的程序进程集.
|
|
// <sid, []*os.Process>
|
|
type procs map[string][]*os.Process
|
|
|
|
var processes = procs{}
|
|
|
|
// 排它锁，防止并发修改.
|
|
var mutex sync.Mutex
|
|
|
|
// 添加用户执行进程.
|
|
func (procs *procs) add(wSession *session.WideSession, proc *os.Process) {
|
|
mutex.Lock()
|
|
defer mutex.Unlock()
|
|
|
|
sid := wSession.Id
|
|
userProcesses := (*procs)[sid]
|
|
|
|
userProcesses = append(userProcesses, proc)
|
|
(*procs)[sid] = userProcesses
|
|
|
|
// 会话关联进程
|
|
wSession.SetProcesses(userProcesses)
|
|
|
|
glog.V(3).Infof("Session [%s] has [%d] processes", sid, len((*procs)[sid]))
|
|
}
|
|
|
|
// 移除用户执行进程.
|
|
func (procs *procs) remove(wSession *session.WideSession, proc *os.Process) {
|
|
mutex.Lock()
|
|
defer mutex.Unlock()
|
|
|
|
sid := wSession.Id
|
|
|
|
userProcesses := (*procs)[sid]
|
|
|
|
var newProcesses []*os.Process
|
|
for i, p := range userProcesses {
|
|
if p.Pid == proc.Pid {
|
|
newProcesses = append(userProcesses[:i], userProcesses[i+1:]...)
|
|
(*procs)[sid] = newProcesses
|
|
|
|
// 会话关联进程
|
|
wSession.SetProcesses(newProcesses)
|
|
|
|
glog.V(3).Infof("Session [%s] has [%d] processes", sid, len((*procs)[sid]))
|
|
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// 结束用户正在执行的进程.
|
|
func (procs *procs) kill(wSession *session.WideSession, pid int) {
|
|
mutex.Lock()
|
|
defer mutex.Unlock()
|
|
|
|
sid := wSession.Id
|
|
|
|
userProcesses := (*procs)[sid]
|
|
|
|
for i, p := range userProcesses {
|
|
if p.Pid == pid {
|
|
if err := p.Kill(); nil != err {
|
|
glog.Error("Kill a process [pid=%d] of session [%s] failed [error=%v]", pid, sid, err)
|
|
} else {
|
|
var newProcesses []*os.Process
|
|
|
|
newProcesses = append(userProcesses[:i], userProcesses[i+1:]...)
|
|
(*procs)[sid] = newProcesses
|
|
|
|
// 会话关联进程
|
|
wSession.SetProcesses(newProcesses)
|
|
|
|
glog.V(3).Infof("Killed a process [pid=%d] of session [%s]", pid, sid)
|
|
}
|
|
}
|
|
}
|
|
}
|