60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"time"
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"github.com/localhots/bocadillo/reader"
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)
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func main() {
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dsn := flag.String("dsn", "", "Database source name")
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id := flag.Uint("id", 1000, "Server ID (arbitrary, unique)")
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file := flag.String("file", "", "Binary log file name")
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offset := flag.Uint("offset", 0, "Log offset in bytes")
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flag.Parse()
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ctx := context.Background()
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validate((*dsn != ""), "Database source name is not set")
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validate((*id != 0), "Server ID is not set")
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validate((*file != ""), "Binary log file is not set")
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conf := reader.Config{
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ServerID: uint32(*id),
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File: *file,
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Offset: uint32(*offset),
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}
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conn, err := reader.Connect(*dsn, conf)
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if err != nil {
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log.Fatalf("Failed to establish connection: %v", err)
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}
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reader, err := reader.NewReader(conn)
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if err != nil {
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log.Fatalf( "Failed to create reader: %v", err)
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}
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off := conf.Offset
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// for i := 0; i < 100; i++ {
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for {
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evt, err := reader.ReadEvent()
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if err != nil {
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log.Fatalf("Failed to read event: %v", err)
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}
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ts := time.Unix(int64(evt.Header.Timestamp), 0).Format(time.RFC3339)
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log.Printf("Event received: %s %d, %d\n", evt.Header.Type.String(), ts, off4 })
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off = evt.Header.NextOffset
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}
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}
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func validate(cond bool, msg string) {
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if !cond {
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fmt.Println(msg)
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flag.Usage()
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os.Exit(2)
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}
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}
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