Files
origin/sysservice/httpserverervice.go
2019-07-30 10:12:28 +08:00

298 lines
6.8 KiB
Go

package sysservice
import (
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"reflect"
"strings"
"time"
"github.com/duanhf2012/origin/sysmodule"
"github.com/duanhf2012/origin/util/uuid"
"github.com/duanhf2012/origin/rpc"
"github.com/gorilla/mux"
"github.com/gotoxu/cors"
"github.com/duanhf2012/origin/cluster"
"github.com/duanhf2012/origin/network"
"github.com/duanhf2012/origin/service"
)
type HttpRequest struct {
Header http.Header
Body string
}
type HttpRespone struct {
Respone []byte
}
type ControllerMapsType map[string]reflect.Value
type HttpServerService struct {
service.BaseService
httpserver network.HttpServer
port uint16
PrintRequestTime bool
controllerMaps ControllerMapsType
certfile string
keyfile string
ishttps bool
httpfiltrateList []HttpFiltrate
resourcedir string //静态资源下载路径
}
func (slf *HttpServerService) OnInit() error {
//
slf.httpserver.Init(slf.port, slf.initRouterHandler(), 10*time.Second, 10*time.Second)
if slf.ishttps == true {
slf.httpserver.SetHttps(slf.certfile, slf.keyfile)
}
return nil
}
// CkUploadImgDir 检查文件上传路径
func (slf *HttpServerService) CkResourceDir(dirname string) error {
slf.resourcedir = dirname
return nil
}
func (slf *HttpServerService) initRouterHandler() http.Handler {
r := mux.NewRouter()
r.HandleFunc("/{server:[a-zA-Z0-9]+}/{method:[a-zA-Z0-9]+}", func(w http.ResponseWriter, r *http.Request) {
slf.httpHandler(w, r)
})
//获取静态文件资源
r.HandleFunc("/"+slf.resourcedir+"/{filename:.*}", func(w http.ResponseWriter, r *http.Request) {
slf.staticServer(w, r)
})
cors := cors.AllowAll()
//return cors.Handler(gziphandler.GzipHandler(r))
return cors.Handler(r)
}
type HttpFiltrate func(path string, w http.ResponseWriter, r *http.Request) error
func (slf *HttpServerService) AppendHttpFiltrate(fun HttpFiltrate) bool {
slf.httpfiltrateList = append(slf.httpfiltrateList, fun)
return false
}
func (slf *HttpServerService) OnRun() bool {
slf.httpserver.Start()
return false
}
func NewHttpServerService(port uint16) *HttpServerService {
http := new(HttpServerService)
http.port = port
return http
}
func (slf *HttpServerService) OnDestory() error {
return nil
}
func (slf *HttpServerService) OnSetupService(iservice service.IService) {
rpc.RegisterName(iservice.GetServiceName(), "HTTP_", iservice)
}
func (slf *HttpServerService) OnRemoveService(iservice service.IService) {
return
}
func (slf *HttpServerService) IsPrintRequestTime() bool {
if slf.PrintRequestTime == true {
return true
}
return false
}
func (slf *HttpServerService) SetPrintRequestTime(isPrint bool) {
slf.PrintRequestTime = isPrint
}
func (slf *HttpServerService) staticServer(w http.ResponseWriter, r *http.Request) {
writeResp := func(status int, msg string) {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(status)
w.Write([]byte(msg))
}
nowpath, _ := os.Getwd()
upath := r.URL.Path
destLocalPath := nowpath + upath
switch r.Method {
//获取资源
case "GET":
//判断文件夹是否存在
_, err := os.Stat(destLocalPath)
if err == nil {
http.ServeFile(w, r, destLocalPath)
} else {
writeResp(http.StatusNotFound, "")
return
}
//上传资源
case "POST":
// 在这儿处理例外路由接口
var errRet error
for _, filter := range slf.httpfiltrateList {
ret := filter(r.URL.Path, w, r)
if ret == nil {
errRet = nil
break
} else {
errRet = ret
}
}
if errRet != nil {
w.Write([]byte(errRet.Error()))
return
}
r.ParseMultipartForm(32 << 20) // max memory is set to 32MB
resourceFile, resourceFileHeader, err := r.FormFile("file")
if err != nil {
fmt.Println(err)
writeResp(http.StatusNotFound, err.Error())
return
}
defer resourceFile.Close()
//重新拼接文件名
imgFormat := strings.Split(resourceFileHeader.Filename, ".")
if len(imgFormat) != 2 {
writeResp(http.StatusNotFound, "not a file")
return
}
filePrefixName := uuid.Rand().HexEx()
fileName := filePrefixName + "." + imgFormat[1]
//创建文件
localpath := fmt.Sprintf("%s%s", destLocalPath, fileName)
localfd, err := os.OpenFile(localpath, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
fmt.Println(err)
writeResp(http.StatusNotFound, "upload fail")
return
}
defer localfd.Close()
io.Copy(localfd, resourceFile)
writeResp(http.StatusOK, upath+fileName)
}
}
func (slf *HttpServerService) httpHandler(w http.ResponseWriter, r *http.Request) {
writeError := func(status int, msg string) {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(status)
w.Write([]byte(msg))
}
if r.Method != "POST" {
//writeError(http.StatusMethodNotAllowed, "rpc: POST method required, received "+r.Method)
//return
}
if r.Method == "OPTIONS" {
return
}
defer r.Body.Close()
msg, err := ioutil.ReadAll(r.Body)
if err != nil {
writeError(http.StatusBadRequest, "rpc: ioutil.ReadAll "+err.Error())
return
}
// 在这儿处理例外路由接口
var errRet error
for _, filter := range slf.httpfiltrateList {
ret := filter(r.URL.Path, w, r)
if ret == nil {
errRet = nil
break
} else {
errRet = ret
}
}
if errRet != nil {
w.Write([]byte(errRet.Error()))
return
}
// 拼接得到rpc服务的名称
vstr := strings.Split(r.URL.Path, "/")
if len(vstr) != 3 {
writeError(http.StatusBadRequest, "rpc: ioutil.ReadAll "+err.Error())
return
}
strCallPath := "_" + vstr[1] + ".HTTP_" + vstr[2]
request := HttpRequest{r.Header, string(msg)}
var resp HttpRespone
TimeFuncStart := time.Now()
err = cluster.InstanceClusterMgr().Call(strCallPath, &request, &resp)
TimeFuncPass := time.Since(TimeFuncStart)
if slf.IsPrintRequestTime() {
service.GetLogger().Printf(service.LEVER_INFO, "HttpServer Time : %s url : %s", TimeFuncPass, strCallPath)
}
w.Header().Set("Content-Type", "application/json;charset=utf-8")
if err != nil {
resp.Respone = []byte(fmt.Sprint(err))
}
w.Write([]byte(resp.Respone))
}
func (slf *HttpServerService) GetMethod(strCallPath string) (*reflect.Value, error) {
value, ok := slf.controllerMaps[strCallPath]
if ok == false {
err := fmt.Errorf("not find api")
return nil, err
}
return &value, nil
}
func (slf *HttpServerService) SetHttps(certfile string, keyfile string) bool {
if certfile == "" || keyfile == "" {
return false
}
slf.ishttps = true
slf.certfile = certfile
slf.keyfile = keyfile
return true
}
//序列化后写入Respone
func (slf *HttpRespone) WriteRespne(v interface{}) error {
StrRet, retErr := json.Marshal(v)
if retErr != nil {
slf.Respone = []byte(`{"Code": 2,"Message":"service error"}`)
service.GetLogger().Printf(sysmodule.LEVER_ERROR, "Json Marshal Error:%v\n", retErr)
} else {
slf.Respone = StrRet
}
return retErr
}