forked from xlvector/caspercloud
/
server_data.go
92 lines (83 loc) · 1.97 KB
/
server_data.go
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package caspercloud
import (
"log"
"math/rand"
"strconv"
"strings"
"sync"
"time"
)
type ServerData struct {
data map[string][]Command
index map[string]Command
lock *sync.RWMutex
random *rand.Rand
}
func NewServerData() *ServerData {
return &ServerData{
data: make(map[string][]Command),
index: make(map[string]Command),
lock: &sync.RWMutex{},
random: rand.New(rand.NewSource(time.Now().UnixNano())),
}
}
func (self *ServerData) searchIdleCommand(cmds []Command) Command {
for i := len(cmds) - 1; i > 0 && i > len(cmds)-5; i-- {
log.Println(cmds[i].GetId(), cmds[i].Finished())
if cmds[i].Finished() {
continue
}
if cmds[i].GetStatus() == kCommandStatusIdle {
log.Println("use idle command:", cmds[i].GetId())
return cmds[i]
}
}
return nil
}
func (self *ServerData) GetNewCommand(tmpl, proxyServer string) Command {
log.Println(tmpl, self.data)
self.lock.RLock()
val, ok := self.data[tmpl]
self.lock.RUnlock()
if ok {
log.Printf("find %d commands", len(val))
c := self.searchIdleCommand(val)
if c != nil {
log.Println("return exist command", c.GetId())
return c
}
} else {
self.lock.Lock()
var cmds []Command
c := NewCasperCmd(tmpl+"_"+strconv.FormatInt(time.Now().UnixNano(), 10), tmpl, proxyServer)
cmds = append(cmds, c)
self.data[tmpl] = cmds
self.index[c.GetId()] = c
log.Println("add cmd for template:", tmpl)
self.lock.Unlock()
return c
}
c := NewCasperCmd(tmpl+"_"+strconv.FormatInt(time.Now().UnixNano(), 10), tmpl, proxyServer)
val = append(val, c)
self.index[c.GetId()] = c
return c
}
func (self *ServerData) parseId(id string) (tmpl string, index int) {
segs := strings.Split(id, "_")
if len(segs) < 1 {
return "", -1
}
tmpl = segs[0]
index, _ = strconv.Atoi(segs[1])
return tmpl, index
}
func (self *ServerData) GetCommand(id string) Command {
self.lock.RLock()
defer self.lock.RUnlock()
log.Println("get cmd", self.index)
val, ok := self.index[id]
if !ok {
return nil
}
return val
}