Pretty print debug data.

fuse/Makefile

@@ -29,6 +29,7 @@ MANUAL_GOFILES=api.go \
 	readonlyfs.go \
 	request.go \
 	switchfs.go \
+	typeprint.go \
 	types.go \
 	version.go \
 	xattr.go \

fuse/typeprint.go

+package fuse
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+var openFlags map[int]string
+func init() {
+	openFlags = map[int]string{
+		os.O_WRONLY   : "O_WRONLY",
+		os.O_RDWR     : "O_RDWR",
+		os.O_APPEND   : "O_APPEND",
+		os.O_ASYNC    : "O_ASYNC",
+		os.O_CREATE   : "O_CREAT",
+		os.O_EXCL     : "O_EXCL",
+		os.O_NOCTTY   : "O_NOCTTY",
+		os.O_NONBLOCK : "O_NONBLOCK",
+		os.O_SYNC     : "O_SYNC",
+		os.O_TRUNC    : "O_TRUNC",
+	}
+}
+
+func (me *OpenIn) String() string {
+	s := []string{}
+	for k, v := range openFlags {
+		if me.Flags & uint32(k) != 0 {
+			s = append(s, v)
+		}
+	}
+	if len(s) == 0 {
+		s = []string{"O_RDONLY"}
+	}
+
+	return fmt.Sprintf("[%s]", strings.Join(s, " | "))
+}
+
+func (me *SetAttrIn) String() string {
+	s := []string{}
+	if me.Valid & FATTR_MODE != 0 {
+		s = append(s, fmt.Sprintf("mode %o", me.Mode))
+	}
+	if me.Valid & FATTR_UID != 0 {
+		s = append(s, fmt.Sprintf("uid %d", me.Uid))
+	}
+	if me.Valid & FATTR_GID != 0 {
+		s = append(s, fmt.Sprintf("uid %d", me.Gid))
+	}
+	if me.Valid & FATTR_SIZE != 0 {
+		s = append(s, fmt.Sprintf("uid %d", me.Size))
+	}
+	if me.Valid & FATTR_ATIME != 0 {
+		s = append(s, fmt.Sprintf("atime %d %d", me.Atime, me.Atimensec))
+	}
+	if me.Valid & FATTR_MTIME != 0 {
+		s = append(s, fmt.Sprintf("mtime %d %d", me.Mtime, me.Mtimensec))
+	}
+	if me.Valid & FATTR_MTIME != 0 {
+		s = append(s, fmt.Sprintf("fh %d", me.Fh))
+	}
+	// TODO - FATTR_ATIME_NOW = (1 << 7), FATTR_MTIME_NOW = (1 << 8), FATTR_LOCKOWNER = (1 << 9)
+	return fmt.Sprintf("[%s]", strings.Join(s, ", "))
+}