A library and tool to analyze MessagePack.
$ go get github.com/nokute78/msgpack-microscope/pkg/msgpack
package main
import (
"bytes"
"fmt"
"github.com/nokute78/msgpack-microscope/pkg/msgpack"
"os"
)
func showMsgPack(obj *msgpack.MPObject) {
fmt.Fprintf(os.Stdout, "%s\n", obj)
if msgpack.IsMap(obj.FirstByte) || msgpack.IsArray(obj.FirstByte) {
for _, v := range obj.Child {
showMsgPack(v)
}
}
}
func main() {
/* {"compact":true,"schema":0} in JSON */
msgp := []byte{0x82, 0xa7, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x63, 0x74, 0xc3, 0xa6, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x00}
ret, err := msgpack.Decode(bytes.NewBuffer(msgp))
if err != nil {
os.Exit(-1)
}
showMsgPack(ret)
}Ouput :
fixmap(0x82): length=2
fixstr(0xa7): val="compact"
true(0xc3): val=true
fixstr(0xa6): val="schema"
positive fixint(0x00): val=0
A tool to analyze MessagePack. It is inspired by msgpack-inspect.
$ printf "\x82\xa7compact\xc3\xa6schema\x00" | ./msgpack2json
{"format":"fixmap", "header":"0x82", "length":2, "raw":"0x82a7636f6d70616374c3a6736368656d6100", "value":
[
{"key":
{"format":"fixstr", "header":"0xa7", "raw":"0xa7636f6d70616374", "value":"compact"},
"value":
{"format":"true", "header":"0xc3", "raw":"0xc3", "value":true}
},
{"key":
{"format":"fixstr", "header":"0xa6", "raw":"0xa6736368656d61", "value":"schema"},
"value":
{"format":"positive fixint", "header":"0x00", "raw":"0x00", "value":0}
}
]
}