func fnBsonEncodeFn(buf *bytes.Buffer, ts *TestStruc) error {
bs, err := bson.Marshal(ts)
if err == nil {
buf.Write(bs)
}
return err
}
func main() {
nils := NilStruct{Abb: "1111111", Nilone: nil, Niltwo: nil, nilthree: nil}
bb, err := bson.Marshal(&nils)
fmt.Printf("%v\n", bb)
fmt.Printf("%v\n", err)
}
func (node *Node) Save() (err error) {
//jsonPath := fmt.Sprintf("%s/%s.json", node.Path(), node.Id)
//os.Remove(jsonPath)
//n, err := node.ToJson(); if err != nil { return }
//err = ioutil.WriteFile(jsonPath, []byte(n), 0644); if err != nil { return }
db, err := DBConnect()
if err != nil {
return
}
defer db.Close()
bsonPath := fmt.Sprintf("%s/%s.bson", node.Path(), node.Id)
os.Remove(bsonPath)
nbson, err := bson.Marshal(node)
if err != nil {
return
}
err = ioutil.WriteFile(bsonPath, nbson, 0644)
if err != nil {
return
}
err = db.Upsert(node)
if err != nil {
return
}
return
}
func main() {
data, err := bson.Marshal(&Person{Name: "Bob"})
if err != nil {
panic(err)
}
p := new(Person)
bson.Unmarshal(data, p)
fmt.Printf("%v\n", p.Name)
}
func main() {
data, err := bson.Marshal(&Person{Name: "bob", Phone: "fdfdfdfd"})
if err != nil {
panic(err)
}
bb := &OtherPerson{}
err = bson.Unmarshal(data, bb)
fmt.Printf("%v\n", bb)
}
// SetMeta changes the optional "metadata" field associated with the
// file. The meaning of keys under that field is user-defined.
// For example:
//
// file.SetMeta(bson.M{"inode": inode})
//
// It is a runtime error to call this function when the file is not open
// for writing.
func (file *GridFile) SetMeta(metadata interface{}) {
file.assertMode(gfsWriting)
data, err := bson.Marshal(metadata)
file.m.Lock()
if err != nil && file.err == nil {
file.err = err
} else {
file.doc.Metadata = &bson.Raw{Data: data}
}
file.m.Unlock()
}
func main() {
ba := &bsonArr{Length: "123", Rowdata: []byte{3, 4, 5}}
aa, err := bson.Marshal(ba)
fmt.Println(err)
fmt.Println(aa)
cc := new(bsonRaw)
_ = bson.Unmarshal(aa, cc)
fmt.Printf("%#v\n", cc)
}
func main() {
person := &Person{AAA: "AAA"}
bb, _ := bson.Marshal(struct{ VAL *Person }{person})
fmt.Println(bb)
person2 := &Person{}
r := &struct{ VAL *Person }{person2}
err := bson.Unmarshal(bb, r)
if err != nil {
fmt.Println(err)
}
fmt.Println(person2)
}
func main() {
arg := &Arg{a: 1, b: 3}
bb, _ := bson.Marshal(arg)
argType := reflect.TypeOf(arg)
req := new(Request)
var out Arg
_ = bson.Unmarshal(bb, &out)
req.params = out
var argv reflect.Value
argv = reflect.New(argType.Elem())
argv.Elem().Set(reflect.ValueOf(req.params))
fmt.Printf("%#v\n", argv)
}
func (m *MongoDB) Fetch(collection string, id Id, obj DBObjectWriter) error {
c := m.Collection(collection)
mdoc := MongoDBObject{Id: id}
err := c.Find(bson.M{"_id": id}).One(&mdoc)
if err != nil {
return err
}
// The value will now be in bson.M form in the Object field. Reserialize it
// to the receiver. It would be more clever to have a wrapper in mdoc around
// the interface that does the serialization.
bytes, err := bson.Marshal(mdoc.Object)
if err != nil {
return err
}
err = bson.Unmarshal(bytes, obj)
if err != nil {
return err
}
return err
}
func (file *GridFile) insertChunk(data []byte) {
n := file.chunk
file.chunk++
debugf("GridFile %p: adding to checksum: %q", file, string(data))
file.wsum.Write(data)
for file.doc.ChunkSize*file.wpending >= 1024*1024 {
// Hold on.. we got a MB pending.
file.c.Wait()
if file.err != nil {
return
}
}
file.wpending++
debugf("GridFile %p: inserting chunk %d with %d bytes", file, n, len(data))
// We may not own the memory of data, so rather than
// simply copying it, we'll marshal the document ahead of time.
data, err := bson.Marshal(gfsChunk{bson.NewObjectId(), file.doc.Id, n, data})
if err != nil {
file.err = err
return
}
go func() {
err := file.gfs.Chunks.Insert(bson.Raw{Data: data})
file.m.Lock()
file.wpending--
if err != nil && file.err == nil {
file.err = err
}
file.c.Broadcast()
file.m.Unlock()
}()
}
func (node *Node) Save() (err error) {
db, err := DBConnect()
if err != nil {
return
}
defer db.Close()
node.UpdateVersion()
bsonPath := fmt.Sprintf("%s/%s.bson", node.Path(), node.Id)
os.Remove(bsonPath)
nbson, err := bson.Marshal(node)
if err != nil {
return
}
err = ioutil.WriteFile(bsonPath, nbson, 0644)
if err != nil {
return
}
err = db.Upsert(node)
if err != nil {
return
}
return
}
func main() {
bson, _ := bson.Marshal(bson.M{"hello": "world"})
fmt.Printf("%q\n", bson)
}
