vitess.io/vitess@v0.16.2/go/vt/vttablet/endtoend/framework/livequeryz.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package framework
    18  
    19  import (
    20  	"encoding/json"
    21  	"fmt"
    22  	"net/http"
    23  	"time"
    24  )
    25  
    26  // LiveQuery contains the streaming query info.
    27  type LiveQuery struct {
    28  	Type              string
    29  	Query             string
    30  	ContextHTML       string
    31  	Start             time.Time
    32  	Duration          int64
    33  	ConnID            int
    34  	State             string
    35  	ShowTerminateLink bool
    36  }
    37  
    38  // OLAPQueryz returns the contents of /livequeryz?format=json.
    39  // as a []LiveQuery. The function returns an empty list on error.
    40  func LiveQueryz() []LiveQuery {
    41  	var out []LiveQuery
    42  	response, err := http.Get(fmt.Sprintf("%s/livequeryz?format=json", ServerAddress))
    43  	if err != nil {
    44  		return out
    45  	}
    46  	defer response.Body.Close()
    47  	_ = json.NewDecoder(response.Body).Decode(&out)
    48  	return out
    49  }
    50  
    51  // StreamTerminate terminates the specified streaming query.
    52  func StreamTerminate(connID int) error {
    53  	response, err := http.Get(fmt.Sprintf("%s/livequeryz/terminate?format=json&connID=%d", ServerAddress, connID))
    54  	if err != nil {
    55  		return err
    56  	}
    57  	response.Body.Close()
    58  	return nil
    59  }