/
api_server.go
198 lines (167 loc) · 4.68 KB
/
api_server.go
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package proxy
import (
"fmt"
"log"
"net/http"
"path/filepath"
"strings"
"sync"
"time"
)
// APIServer api server
type APIServer struct {
Enable bool
Apis map[string]*apiStruct
manager *APIServerManager
//current apiServer's conf dir
ConfDir string //接口配置文件存放目录
Rw sync.RWMutex
routers *routers
web *webAdmin
ServerVhostConf *serverVhost
counter *Counter //j接口计数器
}
func newAPIServer(conf *serverVhost, manager *APIServerManager) *APIServer {
apiServer := &APIServer{ServerVhostConf: conf, manager: manager}
apiServer.ConfDir = filepath.Join(manager.rootConfDir(), fmt.Sprintf("api_%s", conf.Id))
apiServer.ConfDir += string(filepath.Separator)
apiServer.Apis = make(map[string]*apiStruct)
apiServer.routers = newRouters()
apiServer.web = newWebAdmin(apiServer)
apiServer.counter = newCounter(apiServer)
apiServer.loadAllApis()
return apiServer
}
func (apiServer *APIServer) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
router := apiServer.routers.getRouterByReqPath(req.URL.Path)
if router != nil {
router.Hander.ServeHTTP(rw, req)
return
}
if strings.HasPrefix(req.URL.Path, "/_") || req.URL.Path == "/" {
apiServer.web.ServeHTTP(rw, req)
} else {
http.Error(rw, "Api Not Found (api-front)", http.StatusNotFound)
}
}
func (apiServer *APIServer) loadAllApis() {
fileNames, _ := filepath.Glob(apiServer.ConfDir + string(filepath.Separator) + "*.json")
for _, fileName := range fileNames {
log.Println("start load conf file:", fileName)
_, baseName := filepath.Split(fileName)
if baseName == "" {
log.Println("skip api conf:", fileName)
continue
}
apiName := baseName[:len(baseName)-5]
if strings.HasPrefix(apiName, "_") {
log.Println("skip api", apiName)
continue
}
apiServer.loadAPI(apiName)
}
}
//api服务的唯一id
func (apiServer *APIServer) GetServerID() string {
return apiServer.ServerVhostConf.Id
}
//func (apiServer *APIServer) deleteAPI(apiName string) {
// apiServer.Rw.Lock()
// defer apiServer.Rw.Unlock()
// api, has := apiServer.Apis[apiName]
// if !has {
// return
// }
// api.delete()
// delete(apiServer.Apis, apiName)
//}
func (apiServer *APIServer) unRegisterAPI(apiName string) {
apiServer.Rw.Lock()
defer apiServer.Rw.Unlock()
_, has := apiServer.Apis[apiName]
if !has {
return
}
delete(apiServer.Apis, apiName)
}
func (apiServer *APIServer) newAPI(apiName string) *apiStruct {
return newAPI(apiServer, apiName)
}
func (apiServer *APIServer) getConfDir() string {
return apiServer.ConfDir
}
func (apiServer *APIServer) rootConfDir() string {
return apiServer.manager.rootConfDir()
}
func (apiServer *APIServer) loadAPI(apiName string) error {
apiServer.Rw.Lock()
defer apiServer.Rw.Unlock()
api, err := loadAPIByConf(apiServer, apiName)
if err != nil {
log.Println("load api failed,", apiName, err)
return err
}
log.Printf("load api [%s] success", apiName)
apiServer.Apis[apiName] = api
if api.Enable {
router := newRouterItem(apiName, api.Path, apiServer.newHandler(api))
apiServer.routers.bindRouter(api.Path, router)
} else {
apiServer.routers.deleteRouterByPath(api.Path)
log.Printf("api [%s] is not enable,skip", apiName)
}
return nil
}
func (apiServer *APIServer) uniqReqID(id uint64) string {
return fmt.Sprintf("%s_%d", time.Now().Format("20060102_150405"), id)
}
func (apiServer *APIServer) serverNames() []string {
var names []string
for _, domain := range apiServer.ServerVhostConf.Domains {
names = append(names, fmt.Sprintf("%s:%d", domain, apiServer.ServerVhostConf.Port))
}
return names
}
func (apiServer *APIServer) domains() []string {
return apiServer.ServerVhostConf.Domains
}
func (apiServer *APIServer) getAPIByName(name string) *apiStruct {
if name == "" {
return nil
}
if api, has := apiServer.Apis[name]; has {
return api
}
return nil
}
func (apiServer *APIServer) getAPIByPath(bindPath string) *apiStruct {
bindPath = URLPathClean(bindPath)
for _, api := range apiServer.Apis {
if api.Path == bindPath {
return api
}
}
return nil
}
func (apiServer *APIServer) getAPINameByUri(uri string) string {
router := apiServer.routers.getRouterByReqPath(uri)
if router == nil {
return ""
}
return router.APIName
}
// GetCounter get counter
func (apiServer *APIServer) GetCounter() *Counter {
return apiServer.counter
}
func (apiServer *APIServer) hasUser(id string) bool {
if apiServer.ServerVhostConf.Users != nil && apiServer.ServerVhostConf.Users.hasUser(id) {
return true
}
if apiServer.manager.mainConf.Users != nil && apiServer.manager.mainConf.Users.hasUser(id) {
return true
}
return false
}
//func (apiServer *APIServer) UpdateVhostConf(vhost *serverVhost) error {
//}