add hop

api/config_hop.go

@@ -0,0 +1,175 @@
+package api
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-gost/x/config"
+	"github.com/go-gost/x/config/parsing"
+	"github.com/go-gost/x/registry"
+)
+
+// swagger:parameters createHopRequest
+type createHopRequest struct {
+	// in: body
+	Data config.HopConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response createHopResponse
+type createHopResponse struct {
+	Data Response
+}
+
+func createHop(ctx *gin.Context) {
+	// swagger:route POST /config/hops Hop createHopRequest
+	//
+	// Create a new hop, the name of hop must be unique in hop list.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: createHopResponse
+
+	var req createHopRequest
+	ctx.ShouldBindJSON(&req.Data)
+
+	if req.Data.Name == "" {
+		writeError(ctx, ErrInvalid)
+		return
+	}
+
+	v, err := parsing.ParseHop(&req.Data)
+	if err != nil {
+		writeError(ctx, ErrCreate)
+		return
+	}
+
+	if err := registry.HopRegistry().Register(req.Data.Name, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	cfg.Hops = append(cfg.Hops, &req.Data)
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters updateHopRequest
+type updateHopRequest struct {
+	// in: path
+	// required: true
+	// hop name
+	Hop string `uri:"hop" json:"hop"`
+	// in: body
+	Data config.HopConfig `json:"data"`
+}
+
+// successful operation.
+// swagger:response updateHopResponse
+type updateHopResponse struct {
+	Data Response
+}
+
+func updateHop(ctx *gin.Context) {
+	// swagger:route PUT /config/hops/{hop} Hop updateHopRequest
+	//
+	// Update hop by name, the hop must already exist.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: updateHopResponse
+
+	var req updateHopRequest
+	ctx.ShouldBindUri(&req)
+	ctx.ShouldBindJSON(&req.Data)
+
+	if !registry.HopRegistry().IsRegistered(req.Hop) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+
+	req.Data.Name = req.Hop
+
+	v, err := parsing.ParseHop(&req.Data)
+	if err != nil {
+		writeError(ctx, ErrCreate)
+		return
+	}
+
+	registry.HopRegistry().Unregister(req.Hop)
+
+	if err := registry.HopRegistry().Register(req.Hop, v); err != nil {
+		writeError(ctx, ErrDup)
+		return
+	}
+
+	cfg := config.Global()
+	for i := range cfg.Hops {
+		if cfg.Hops[i].Name == req.Hop {
+			cfg.Hops[i] = &req.Data
+			break
+		}
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}
+
+// swagger:parameters deleteHopRequest
+type deleteHopRequest struct {
+	// in: path
+	// required: true
+	Hop string `uri:"hop" json:"hop"`
+}
+
+// successful operation.
+// swagger:response deleteHopResponse
+type deleteHopResponse struct {
+	Data Response
+}
+
+func deleteHop(ctx *gin.Context) {
+	// swagger:route DELETE /config/hops/{hop} Hop deleteHopRequest
+	//
+	// Delete hop by name.
+	//
+	//     Security:
+	//       basicAuth: []
+	//
+	//     Responses:
+	//       200: deleteHopResponse
+
+	var req deleteHopRequest
+	ctx.ShouldBindUri(&req)
+
+	if !registry.HopRegistry().IsRegistered(req.Hop) {
+		writeError(ctx, ErrNotFound)
+		return
+	}
+	registry.HopRegistry().Unregister(req.Hop)
+
+	cfg := config.Global()
+	hops := cfg.Hops
+	cfg.Hops = nil
+	for _, s := range hops {
+		if s.Name == req.Hop {
+			continue
+		}
+		cfg.Hops = append(cfg.Hops, s)
+	}
+	config.SetGlobal(cfg)
+
+	ctx.JSON(http.StatusOK, Response{
+		Msg: "OK",
+	})
+}