LevelDB Web Service

This software is a web service written in Perl, providing a key-value database based on LevelDB by Google Inc. and being connected through a simple RESTful API (GET, POST, DELETE, and PUT).

Configuration

{
  "Port" : 8099,
  "DBName" : "sample.db",
  "Username" : "admin",
  "Password" : "admin"
}

• Left Username and Password fields blank to bypass authentication

Dependencies

• Tie::LevelDB
• IO::Socket
• JSON
• MIME::Base64

Usage

Usage: ldb-ws.pl [-v|--verbose]

Example

• To set a key and its value

 Method: POST
 URL: http://localhost:8099/api/
 Body: 
 {
  "key" : "hello",
  "value" : "world"
 }

Test: curl -H 'Content-Type: application/json' --user admin:admin -d '{ "key":"hello", "value":"world" }' -X POST http://localhost:8099/api/

• To get a value of a given key

 Method: GET
 URL: http://localhost:8099/api/<key>
 Body: {}

Test: curl -H "Content-Type: application/json" --user admin:admin -X GET http://localhost:8099/api/hello

• To delete a key-value pair

 Method: DELETE
 URL: http://localhost:8099/api/<key>
 Body: {}

Test: curl -H "Content-Type: application/json" --user admin:admin -X DELETE http://localhost:8099/api/hello

• To send batch commands, supporting only put and delete

 Method: PUT
 URL: http://localhost:8099/api/
 Body: 
 {
  "batch" : [
      "put <key> <value>",
      "...some commands here...", 
      "delete <key>"
  ]
 }

Test: curl -H 'Content-Type: application/json' --user admin:admin -d '{ "batch": ["put hello world", "delete hello"] }' -X PUT http://localhost:8099/api/