wehub-resource-sync
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
// Copyright 2022 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sqlserver
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import (
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"fmt"
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"sync"
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"github.com/dolthub/go-mysql-server/server"
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)
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var theServer *server.Server
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var mutex sync.Mutex
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// RunningInServerMode returns true if the current process is running a SQL server.
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func RunningInServerMode() bool {
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mutex.Lock()
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defer mutex.Unlock()
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return theServer != nil
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}
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// GetRunningServer returns the Server instance running in this process, or nil if no SQL server is running.
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func GetRunningServer() *server.Server {
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mutex.Lock()
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defer mutex.Unlock()
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return theServer
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}
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// SetRunningServer sets the specified Server as the running SQL server for this process.
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func SetRunningServer(server *server.Server) error {
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if server == nil {
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return fmt.Errorf("server must be non-nil")
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}
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mutex.Lock()
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defer mutex.Unlock()
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theServer = server
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return nil
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}
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func UnsetRunningServer() {
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mutex.Lock()
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defer mutex.Unlock()
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theServer = nil
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}
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