实现websocket基本功能

internal/db/models/http_websocket_dao.go

@@ -0,0 +1,146 @@
+package models
+
+import (
+	"encoding/json"
+	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/iwind/TeaGo/Tea"
+	"github.com/iwind/TeaGo/dbs"
+	"github.com/iwind/TeaGo/types"
+)
+
+const (
+	HTTPWebsocketStateEnabled  = 1 // 已启用
+	HTTPWebsocketStateDisabled = 0 // 已禁用
+)
+
+type HTTPWebsocketDAO dbs.DAO
+
+func NewHTTPWebsocketDAO() *HTTPWebsocketDAO {
+	return dbs.NewDAO(&HTTPWebsocketDAO{
+		DAOObject: dbs.DAOObject{
+			DB:     Tea.Env,
+			Table:  "edgeHTTPWebsockets",
+			Model:  new(HTTPWebsocket),
+			PkName: "id",
+		},
+	}).(*HTTPWebsocketDAO)
+}
+
+var SharedHTTPWebsocketDAO = NewHTTPWebsocketDAO()
+
+// 启用条目
+func (this *HTTPWebsocketDAO) EnableHTTPWebsocket(id int64) error {
+	_, err := this.Query().
+		Pk(id).
+		Set("state", HTTPWebsocketStateEnabled).
+		Update()
+	return err
+}
+
+// 禁用条目
+func (this *HTTPWebsocketDAO) DisableHTTPWebsocket(id int64) error {
+	_, err := this.Query().
+		Pk(id).
+		Set("state", HTTPWebsocketStateDisabled).
+		Update()
+	return err
+}
+
+// 查找启用中的条目
+func (this *HTTPWebsocketDAO) FindEnabledHTTPWebsocket(id int64) (*HTTPWebsocket, error) {
+	result, err := this.Query().
+		Pk(id).
+		Attr("state", HTTPWebsocketStateEnabled).
+		Find()
+	if result == nil {
+		return nil, err
+	}
+	return result.(*HTTPWebsocket), err
+}
+
+// 组合配置
+func (this *HTTPWebsocketDAO) ComposeWebsocketConfig(websocketId int64) (*serverconfigs.HTTPWebsocketConfig, error) {
+	websocket, err := this.FindEnabledHTTPWebsocket(websocketId)
+	if err != nil {
+		return nil, err
+	}
+	if websocket == nil {
+		return nil, nil
+	}
+	config := &serverconfigs.HTTPWebsocketConfig{}
+	config.Id = int64(websocket.Id)
+	config.IsOn = websocket.IsOn == 1
+	config.AllowAllOrigins = websocket.AllowAllOrigins == 1
+
+	if IsNotNull(websocket.AllowedOrigins) {
+		origins := []string{}
+		err = json.Unmarshal([]byte(websocket.AllowedOrigins), &origins)
+		if err != nil {
+			return nil, err
+		}
+		config.AllowedOrigins = origins
+	}
+
+	if IsNotNull(websocket.HandshakeTimeout) {
+		duration := &shared.TimeDuration{}
+		err = json.Unmarshal([]byte(websocket.HandshakeTimeout), duration)
+		if err != nil {
+			return nil, err
+		}
+		config.HandshakeTimeout = duration
+	}
+
+	config.RequestSameOrigin = websocket.RequestSameOrigin == 1
+	config.RequestOrigin = websocket.RequestOrigin
+
+	return config, nil
+}
+
+// 创建Websocket配置
+func (this *HTTPWebsocketDAO) CreateWebsocket(handshakeTimeoutJSON []byte, allowAllOrigins bool, allowedOrigins []string, requestSameOrigin bool, requestOrigin string) (websocketId int64, err error) {
+	op := NewHTTPWebsocketOperator()
+	op.IsOn = true
+	op.State = HTTPWebsocketStateEnabled
+	if len(handshakeTimeoutJSON) > 0 {
+		op.HandshakeTimeout = handshakeTimeoutJSON
+	}
+	op.AllowAllOrigins = allowAllOrigins
+	if len(allowedOrigins) > 0 {
+		originsJSON, err := json.Marshal(allowedOrigins)
+		if err != nil {
+			return 0, err
+		}
+		op.AllowedOrigins = originsJSON
+	}
+	op.RequestSameOrigin = requestSameOrigin
+	op.RequestOrigin = requestOrigin
+	_, err = this.Save(op)
+	return types.Int64(op.Id), err
+}
+
+// 修改Websocket配置
+func (this *HTTPWebsocketDAO) UpdateWebsocket(websocketId int64, handshakeTimeoutJSON []byte, allowAllOrigins bool, allowedOrigins []string, requestSameOrigin bool, requestOrigin string) error {
+	if websocketId <= 0 {
+		return errors.New("invalid websocketId")
+	}
+	op := NewHTTPWebsocketOperator()
+	op.Id = websocketId
+	if len(handshakeTimeoutJSON) > 0 {
+		op.HandshakeTimeout = handshakeTimeoutJSON
+	}
+	op.AllowAllOrigins = allowAllOrigins
+	if len(allowedOrigins) > 0 {
+		originsJSON, err := json.Marshal(allowedOrigins)
+		if err != nil {
+			return err
+		}
+		op.AllowedOrigins = originsJSON
+	}
+	op.RequestSameOrigin = requestSameOrigin
+	op.RequestOrigin = requestOrigin
+	_, err := this.Save(op)
+	return err
+}