github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/api/v2/tso.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package v2
    15  
    16  import (
    17  	"context"
    18  	"net/http"
    19  
    20  	"github.com/gin-gonic/gin"
    21  	cerror "github.com/pingcap/tiflow/pkg/errors"
    22  	pd "github.com/tikv/pd/client"
    23  )
    24  
    25  // QueryTso request and returns a TSO from PD
    26  func (h *OpenAPIV2) QueryTso(c *gin.Context) {
    27  	ctx := c.Request.Context()
    28  
    29  	upstreamConfig := &UpstreamConfig{}
    30  	if err := c.BindJSON(upstreamConfig); err != nil {
    31  		_ = c.Error(cerror.WrapError(cerror.ErrAPIInvalidParam, err))
    32  		return
    33  	}
    34  	resp := &Tso{}
    35  	err := h.withUpstreamConfig(ctx, upstreamConfig,
    36  		func(ctx context.Context, client pd.Client) error {
    37  			timestamp, logicalTime, err := client.GetTS(ctx)
    38  			if err != nil {
    39  				return cerror.WrapError(cerror.ErrInternalServerError, err)
    40  			}
    41  			resp.LogicTime = logicalTime
    42  			resp.Timestamp = timestamp
    43  			return nil
    44  		})
    45  	if err != nil {
    46  		_ = c.Error(err)
    47  		return
    48  	}
    49  	c.IndentedJSON(http.StatusOK, resp)
    50  }