MSSQL

/*

** Zabbix

** Copyright (C) 2001-2024 Zabbix SIA

**

** Licensed under the Apache License, Version 2.0 (the "License");

** you may not use this file except in compliance with the License.

** You may obtain a copy of the License at

**

**     http://www.apache.org/licenses/LICENSE-2.0

**

** Unless required by applicable law or agreed to in writing, software

** distributed under the License is distributed on an "AS IS" BASIS,

** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

** See the License for the specific language governing permissions and

** limitations under the License.

**/

​

package handlers

​

import (

    "context"

    "database/sql"

    "database/sql/driver"

    "encoding/json"

    "io"

    "io/fs"

    "path/filepath"

    "strings"

​

    mssql "github.com/microsoft/go-mssqldb"

    "golang.zabbix.com/plugin/mssql/plugin/params"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/log"

)

​

var (

    _ sql.Scanner   = (*nullUniqueIdentifier)(nil)

    _ driver.Valuer = (*nullUniqueIdentifier)(nil)

​

    _ sql.Scanner   = (*nullBool)(nil)

    _ driver.Valuer = (*nullBool)(nil)

​

    _ HandlerFunc     = WithJSONResponse(nil)

    _ ConnHandlerFunc = QueryHandlerFunc("")

    _ ConnHandlerFunc = VersionHandler

    _ ConnHandlerFunc = CustomQueries(nil).HandlerFunc

)

​

// HandlerFunc describes the signature all metric handler functions must have.

type HandlerFunc func(

    metricParams map[string]string, extraParams ...string,

) (any, error)

​

// ConnHandlerFunc describes the signature all connection handler functions

// must have.

type ConnHandlerFunc func(

    ctx context.Context,

    conn *sql.DB,

    metricParams map[string]string,

    extraParams ...string,

) (any, error)

​

// CustomQueries stores user defined custom queries.