mirror of https://github.com/Hilbis/Hilbish
137 lines
2.1 KiB
Go
137 lines
2.1 KiB
Go
package main
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import (
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"sync"
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"os"
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"github.com/yuin/gopher-lua"
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)
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var jobs *jobHandler
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type job struct {
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cmd string
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running bool
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id int
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pid int
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exitCode int
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proc *os.Process
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}
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func (j *job) start(pid int) {
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j.pid = pid
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j.running = true
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hooks.Em.Emit("job.start", j.lua())
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}
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func (j *job) stop() {
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// finish will be called in exec handle
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j.proc.Kill()
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}
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func (j *job) finish() {
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j.running = false
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hooks.Em.Emit("job.done", j.lua())
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}
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func (j *job) setHandle(handle *os.Process) {
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j.proc = handle
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}
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func (j *job) lua() *lua.LTable {
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// returns lua table for job
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// because userdata is gross
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jobFuncs := map[string]lua.LGFunction{
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"stop": j.luaStop,
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}
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luaJob := l.SetFuncs(l.NewTable(), jobFuncs)
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l.SetField(luaJob, "cmd", lua.LString(j.cmd))
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l.SetField(luaJob, "running", lua.LBool(j.running))
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l.SetField(luaJob, "id", lua.LNumber(j.id))
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l.SetField(luaJob, "pid", lua.LNumber(j.pid))
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l.SetField(luaJob, "exitCode", lua.LNumber(j.exitCode))
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return luaJob
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}
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func (j *job) luaStop(L *lua.LState) int {
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if j.running {
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j.stop()
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}
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return 0
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}
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type jobHandler struct {
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jobs map[int]*job
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latestID int
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mu *sync.RWMutex
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}
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func newJobHandler() *jobHandler {
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return &jobHandler{
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jobs: make(map[int]*job),
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latestID: 0,
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mu: &sync.RWMutex{},
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}
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}
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func (j *jobHandler) add(cmd string) {
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j.mu.Lock()
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defer j.mu.Unlock()
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j.latestID++
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j.jobs[j.latestID] = &job{
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cmd: cmd,
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running: false,
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id: j.latestID,
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}
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}
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func (j *jobHandler) getLatest() *job {
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j.mu.RLock()
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defer j.mu.RUnlock()
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return j.jobs[j.latestID]
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}
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func (j *jobHandler) loader(L *lua.LState) *lua.LTable {
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jobFuncs := map[string]lua.LGFunction{
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"all": j.luaAllJobs,
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"get": j.luaGetJob,
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}
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luaJob := l.SetFuncs(l.NewTable(), jobFuncs)
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return luaJob
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}
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func (j *jobHandler) luaGetJob(L *lua.LState) int {
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j.mu.RLock()
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defer j.mu.RUnlock()
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jobID := L.CheckInt(1)
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job := j.jobs[jobID]
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if job != nil {
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return 0
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}
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L.Push(job.lua())
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return 1
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}
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func (j *jobHandler) luaAllJobs(L *lua.LState) int {
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j.mu.RLock()
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defer j.mu.RUnlock()
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jobTbl := L.NewTable()
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for id, job := range j.jobs {
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jobTbl.Insert(id, job.lua())
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}
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L.Push(jobTbl)
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return 1
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}
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