//
// Returns all collections in database
//
func (d *Resource) DatabaseCollectionsHandler(req *restful.Request, resp *restful.Response) {
// Mongo session
session, needclose, err := d.SessMng.Get(getParam("alias", req)) //先查服务器
if err != nil {
WriteError(err, resp)
return
}
if needclose {
defer session.Close()
}
// Database request parameter
dbname := getParam("database", req) //再拿到数据库信息
println(dbname)
// Get collections from database
collections, err := session.DB(dbname).CollectionNames() //拿到数据库下所有的集合
if err != nil {
WriteError(err, resp)
return
}
if collections == nil {
err = errors.New("Unknown database: " + dbname)
WriteError(err, resp)
return
}
// Write collections back to client
WriteResponse(collections, resp)
}
// GET http://localhost:8181/stats/local/landskape/systems
func (s *Resource) CollectionStatisticsHandler(req *restful.Request, resp *restful.Response) {
// Mongo session
session, needsClose, err := s.SessMng.Get(req.PathParameter("alias"))
if err != nil {
WriteError(err, resp)
return
}
if needsClose {
defer session.Close()
}
var (
// Request parameters
collection = req.PathParameter("collection")
database = req.PathParameter("database")
// Statistics result
result = bson.M{}
)
// Get statistics for collection
err = session.DB(database).Run(bson.M{"collStats": collection, "scale": 1}, &result)
if err != nil {
WriteError(err, resp)
return
}
// Write result to console
fmt.Printf("stats result:%#v", result)
// Write result back to client
WriteResponse(result, resp)
}
