/
codec_target.go
116 lines (98 loc) · 2.87 KB
/
codec_target.go
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// Copyright (C) 2023 wwhai
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package target
import (
"fmt"
"github.com/hootrhino/rulex/common"
"github.com/hootrhino/rulex/component/rulexrpc"
"github.com/hootrhino/rulex/typex"
"github.com/hootrhino/rulex/utils"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
)
type codecTarget struct {
typex.XStatus
client rulexrpc.CodecClient
rpcConnection *grpc.ClientConn
mainConfig common.GrpcConfig
status typex.SourceState
}
func NewCodecTarget(rx typex.RuleX) typex.XTarget {
ct := &codecTarget{}
ct.mainConfig = common.GrpcConfig{}
ct.RuleEngine = rx
ct.status = typex.SOURCE_DOWN
return ct
}
// 用来初始化传递资源配置
func (ct *codecTarget) Init(outEndId string, configMap map[string]interface{}) error {
ct.PointId = outEndId
//
if err := utils.BindSourceConfig(configMap, &ct.mainConfig); err != nil {
return err
}
return nil
}
// 启动资源
func (ct *codecTarget) Start(cctx typex.CCTX) error {
ct.Ctx = cctx.Ctx
ct.CancelCTX = cctx.CancelCTX
//
rpcConnection, err := grpc.Dial(fmt.Sprintf("%s:%d", ct.mainConfig.Host, ct.mainConfig.Port),
grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
return err
}
ct.rpcConnection = rpcConnection
ct.client = rulexrpc.NewCodecClient(rpcConnection)
ct.status = typex.SOURCE_UP
return nil
}
// 获取资源状态
func (ct *codecTarget) Status() typex.SourceState {
return ct.status
}
// 获取资源绑定的的详情
func (ct *codecTarget) Details() *typex.OutEnd {
out := ct.RuleEngine.GetOutEnd(ct.PointId)
return out
}
// 数据出口
func (ct *codecTarget) To(data interface{}) (interface{}, error) {
dataRequest := &rulexrpc.CodecRequest{
Value: []byte(data.(string)),
}
var response *rulexrpc.CodecResponse
var err error
if ct.mainConfig.Type == "DECODE" {
response, err = ct.client.Decode(ct.Ctx, dataRequest)
}
if ct.mainConfig.Type == "ENCODE" {
response, err = ct.client.Encode(ct.Ctx, dataRequest)
}
if err != nil {
return nil, err
}
return response.GetData(), nil
}
// 停止资源, 用来释放资源
func (ct *codecTarget) Stop() {
ct.status = typex.SOURCE_DOWN
ct.CancelCTX()
if ct.rpcConnection != nil {
ct.rpcConnection.Close()
ct.rpcConnection = nil
}
}