add OOP style, authorization support, resolve space and fields names

Author: ziontab

README.md

@@ -15,25 +15,36 @@ Synopsis
 
 ```lua
 
-local tarantool = require("tarantool")
-
-local host    = "127.0.0.1"
-local port    = 3301
-local spaceno = 1
-local indexno = 0
-local key     = { 1 }
-local tuple   = { "first field", "second field" }
-
-local result, err = tarantool.select(host, port, spaceno, indexno, key)
-
-local result, err = tarantool.insert(host, port, spaceno, tuple)
-
-local result, err = tarantool.replace(host, port, spaceno, tuple)
-
-local result, err = tarantool.delete(host, port, spaceno, key)
-
-local result, err = tarantool.ping(host, port)
-
-local result, err = tarantool.call(host, port, "proc_name", { "first arg" })
+tarantool = require("tarantool")
+
+-- initialize connection
+local tar, err = tarantool:new()
+
+local tar, err = tarantool:new({ connect_now = false })
+local ok, err = tar:connect()
+
+local tar, err = tarantool:new({
+    host           = '127.0.0.1',
+    port           = 3301,
+    user           = 'gg_tester',
+    password       = 'pass',
+    socket_timeout = 2000,
+    connect_now    = true,
+})
+
+-- requests
+local data, err = tar:ping()
+local data, err = tar:insert('profiles', { 1, "nick 1" })
+local data, err = tar:insert('profiles', { 2, "nick 2" })
+local data, err = tar:select(2, 0, 3)
+local data, err = tar:select('profiles', 'uid', 3)
+local data, err = tar:replace('profiles', {3, "nick 33"})
+local data, err = tar:delete('profiles', 3)
+local data, err = tar:update('profiles', 'uid', 3, {{ '=', 1, 'nick new' }})
+local data, err = tar:update('profiles', 'uid', 3, {{ '#', 1, 1 }})
+
+-- disconnect or set_keepalive at the end
+local ok, err = tar:disconnect()
+local ok, err = tar:set_keepalive()
 
 ```

const.lua

@@ -0,0 +1,59 @@
+module("const", package.seeall)
+
+-- common
+GREETING_SIZE          = 128
+GREETING_SALT_OFFSET   = 64
+GREETING_SALT_SIZE     = 44
+HEAD_BODY_LEN_SIZE     = 5
+REQUEST_PER_CONNECTION = 100000
+MAX_LIMIT              = 0xFFFFFFFF
+
+-- default options
+HOST           = '127.0.0.1'
+PORT           = 3301
+USER           = false
+PASSWORD       = ''
+SOCKET_TIMEOUT = 5000
+CONNECT_NOW    = true
+
+-- packet codes
+OK         = 0
+SELECT     = 1
+INSERT     = 2
+REPLACE    = 3
+UPDATE     = 4
+DELETE     = 5
+CALL       = 6
+AUTH       = 7
+PING       = 64
+ERROR_TYPE = 65536
+
+-- packet keys
+TYPE          = 0x00
+SYNC          = 0x01
+SPACE_ID      = 0x10
+INDEX_ID      = 0x11
+LIMIT         = 0x12
+OFFSET        = 0x13
+ITERATOR      = 0x14
+KEY           = 0x20
+TUPLE         = 0x21
+FUNCTION_NAME = 0x22
+USER_NAME     = 0x23
+DATA          = 0x30
+ERROR         = 0x31
+
+-- default spaces
+SPACE_SCHEMA  = 272
+SPACE_SPACE   = 280
+SPACE_INDEX   = 288
+SPACE_FUNC    = 296
+SPACE_USER    = 304
+SPACE_PRIV    = 312
+SPACE_CLUSTER = 320
+
+-- index info
+INDEX_SPACE_PRIMARY = 0
+INDEX_SPACE_NAME    = 2
+INDEX_INDEX_PRIMARY = 0
+INDEX_INDEX_NAME    = 2