78 lines
1.3 KiB
Go
78 lines
1.3 KiB
Go
package gojs
|
|
|
|
import (
|
|
"github.com/ssgo/log"
|
|
"github.com/ssgo/u"
|
|
"runtime"
|
|
"sync"
|
|
)
|
|
|
|
type LB struct {
|
|
args []any
|
|
pool []*Runtime
|
|
logger *log.Logger
|
|
debug bool
|
|
lock sync.RWMutex
|
|
num int
|
|
}
|
|
|
|
type LBConfig struct {
|
|
Num uint
|
|
Args []any
|
|
Debug bool
|
|
}
|
|
|
|
func (p *LB) Get() *Runtime {
|
|
p.lock.RLock()
|
|
i := u.GlobalRand1.Intn(p.num)
|
|
rt := p.pool[i]
|
|
p.lock.RUnlock()
|
|
return rt
|
|
}
|
|
|
|
func NewLB(plg *Program, opt LBConfig, logger *log.Logger) *LB {
|
|
if opt.Num == 0 {
|
|
opt.Num = uint(runtime.NumCPU())
|
|
}
|
|
if opt.Num > uint(runtime.NumCPU())*2 {
|
|
opt.Num = uint(runtime.NumCPU()) * 2
|
|
}
|
|
p := &LB{
|
|
pool: make([]*Runtime, opt.Num),
|
|
args: opt.Args,
|
|
logger: logger,
|
|
debug: opt.Debug,
|
|
num: int(opt.Num),
|
|
}
|
|
p.lock.Lock()
|
|
for i := 0; i < int(opt.Num); i++ {
|
|
rt := New()
|
|
err := rt.StartFromProgram(plg)
|
|
if err == nil {
|
|
_, err = rt.RunMain(p.args...)
|
|
}
|
|
if err != nil {
|
|
p.logger.Error(err.Error())
|
|
}
|
|
p.pool[i] = rt
|
|
}
|
|
p.lock.Unlock()
|
|
return p
|
|
}
|
|
|
|
func NewLBByFile(file string, opt LBConfig, logger *log.Logger) *LB {
|
|
if plg, err := CompileFile(file); err == nil {
|
|
return NewLB(plg, opt, logger)
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func NewLBByCode(code, refFile string, opt LBConfig, logger *log.Logger) *LB {
|
|
if plg, err := CompileCode(code, refFile); err == nil {
|
|
return NewLB(plg, opt, logger)
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|