wehub-resource-sync
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright 2024 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 main
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import (
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"net"
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"github.com/cockroachdb/errors"
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"github.com/jackc/pgx/v5/pgproto3"
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)
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// handleStartup handles the startup messages.
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func handleStartup(clientConnBackend *pgproto3.Backend, postgresConnFrontend *pgproto3.Frontend, clientConn net.Conn) error {
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StartupLoop:
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for {
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startupMessage, err := clientConnBackend.ReceiveStartupMessage()
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if err != nil {
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return err
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}
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switch startupMessage := startupMessage.(type) {
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case *pgproto3.SSLRequest:
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if _, err = clientConn.Write([]byte{'N'}); err != nil {
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return err
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}
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case *pgproto3.StartupMessage:
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addMessage(startupMessage)
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postgresConnFrontend.Send(startupMessage)
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if err = postgresConnFrontend.Flush(); err != nil {
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return err
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}
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response, err := postgresConnFrontend.Receive()
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if err != nil {
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return err
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}
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if err = setAuthType(clientConnBackend, response); err != nil {
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return err
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}
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addMessage(response)
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clientConnBackend.Send(response)
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if err = clientConnBackend.Flush(); err != nil {
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return err
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}
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break StartupLoop
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default:
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return errors.Errorf("Unexpected Startup Message: %v", startupMessage)
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}
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}
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return nil
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}
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