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server_http.go
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server_http.go
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package server
import (
"bytes"
"errors"
"fmt"
"github.com/bysir-zl/async-runner/core"
"github.com/bysir-zl/bygo/log"
"github.com/valyala/fasthttp"
"strconv"
"strings"
"time"
)
type HttpServer struct {
s *core.Scheduler
c *core.SchedulerConfig
}
func newJobFunc() core.Job {
return &JobHttp{}
}
func NewHttpServer(c *core.SchedulerConfig) *HttpServer {
return &HttpServer{
s: core.NewScheduler(c, newJobFunc),
c: c,
}
}
func (p *HttpServer) Start() (err error) {
go p.s.Work()
log.Info("server_http", "start server success",time.Now())
err = fasthttp.ListenAndServe(p.c.ServerHttp, func(ctx *fasthttp.RequestCtx) {
p.handlerQuery(ctx)
return
})
return
}
var (
strGet = []byte("GET")
strHead = []byte("HEAD")
strPost = []byte("POST")
strPut = []byte("PUT")
strDelete = []byte("DELETE")
)
func (p *HttpServer) handlerQuery(ctx *fasthttp.RequestCtx) {
req := ctx.Request
uri := req.URI()
path := string(uri.Path())
pathS := strings.Split(path, "/")
action := pathS[1]
args := uri.QueryArgs()
topic := string(args.Peek("topic"))
callback := string(args.Peek("callback"))
timeout := string(args.Peek("timeout"))
form := req.PostArgs()
data := form.Peek("data")
timeoutInt, _ := strconv.ParseInt(timeout, 10, 64)
switch action {
case "add":
// 添加一个工作
p.s.AddJob(timeoutInt, NewJobHttpClient(callback, topic, data))
case "delete_then_add":
// 删除一个并添加
p.s.DeleteThenAddJob(timeoutInt, NewJobHttpClient(callback, topic, data))
case "delete":
p.s.DeleteJob(NewJobHttpClient(callback, topic, data))
case "info":
info := p.s.Info()
ctx.Response.Header.Add("content-type", "json")
ctx.WriteString(info)
}
}
// job
type JobHttp struct {
callback, topic string
data []byte
}
var sp = "@.@"
var defaultClient fasthttp.Client
func (p *JobHttp) String() string {
return fmt.Sprintf("topic:%s", p.topic)
}
func (p *JobHttp) Unmarshal(bs []byte) error {
ds := bytes.Split(bs, []byte(sp))
if len(ds) != 3 {
return errors.New("data error")
}
p.topic = string(ds[0])
p.callback = string(ds[1])
p.data = ds[2]
return nil
}
func (p *JobHttp) Marshal() ([]byte, error) {
bf := bytes.Buffer{}
bf.WriteString(p.topic + sp + p.callback + sp)
bf.Write(p.data)
return bf.Bytes(), nil
}
func (p *JobHttp) Unique() []byte {
d, _ := p.Marshal()
return d
}
func (p *JobHttp) Run() (err error) {
args := fasthttp.Args{}
// fasthttp有点奇葩, post只能是键值对
args.SetBytesV("data", p.data)
_, body, err := defaultClient.Post(nil, p.callback+"/do_job?topic="+p.topic, &args)
if err != nil {
return
}
bodyString := string(body)
if bodyString != "success" {
err = errors.New("client response is not 'success', is " + bodyString)
return
}
return nil
}
func NewJobHttpClient(callback, topic string, data []byte) core.Job {
job := &JobHttp{
callback: callback,
topic: topic,
data: data,
}
return job
}
func init() {
defaultClient.MaxConnsPerHost = 60000
}