/
main.go
90 lines (74 loc) · 1.76 KB
/
main.go
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package main
import (
"bufio"
"flag"
"fmt"
"io"
"log"
"os"
protobuf "github.com/golang/protobuf/proto"
"github.com/proio-org/go-proio"
proto "github.com/proio-org/go-proio-pb"
)
var (
printFileDescriptors = flag.Bool("f", false, "print FileDescriptorProtos as strings")
)
func printUsage() {
fmt.Fprintf(os.Stderr,
`Usage: proio-summary [options] <proio-input-file>
options:
`,
)
flag.PrintDefaults()
}
func main() {
flag.Usage = printUsage
flag.Parse()
if flag.NArg() != 1 {
printUsage()
log.Fatal("Invalid arguments")
}
var reader *proio.Reader
var err error
filename := flag.Arg(0)
if filename == "-" {
stdin := bufio.NewReader(os.Stdin)
reader = proio.NewReader(stdin)
} else {
reader, err = proio.Open(filename)
}
if err != nil {
log.Fatal(err)
}
defer reader.Close()
nBuckets := make(map[proto.BucketHeader_CompType]int)
nEvents := 0
nFDs := 0
reader.Skip(0)
for reader.BucketHeader != nil {
header := reader.BucketHeader
if err != nil {
log.Print(err)
}
nBuckets[header.Compression]++
nEvents += int(header.NEvents)
nFDs += len(header.FileDescriptor)
reader.Skip(header.NEvents)
}
if err != nil && err != io.EOF {
log.Print(err)
}
fmt.Println("Number of LZMA buckets:", nBuckets[proto.BucketHeader_LZMA])
fmt.Println("Number of LZ4 buckets:", nBuckets[proto.BucketHeader_LZ4])
fmt.Println("Number of GZIP buckets:", nBuckets[proto.BucketHeader_GZIP])
fmt.Println("Number of uncompressed buckets:", nBuckets[proto.BucketHeader_NONE])
fmt.Println("Number of events:", nEvents)
fmt.Println("Number of FileDescriptorProtos:", nFDs)
fmt.Println()
if *printFileDescriptors {
protos := proio.StoredFileDescriptorProtos()
for _, proto := range protos {
fmt.Println(protobuf.MarshalTextString(proto))
}
}
}