配置

Neuron 将为 IIoT 平台提供一系列 API 服务，用于查询基本信息、控制网关行为或设置轮询配置。 IIoT 平台必须通过向 Neuron 发送请求消息来启动通信。 通过返回，Neuron 将返回所需的信息或执行相应的操作。 如果有错误，将返回一个错误代码来说明失败的原因。

Ping

POST /api/v2/ping

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK

登录

POST /api/v2/login

请求头部

Content-Type application/json

响应状态

  • 200 OK
  • 401
    • 1004, 缺少令牌
    • 1005, 解码令牌错误
  • 403
    • 1006, 令牌过期
    • 1007, 验证令牌错误
    • 1008, 无效令牌

请求体

  1. {
  2.     "name": "admin",
  3.     "pass": "0000"
  4. }

响应

  1. {
  2.     "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE2MzcyODcxNjMsImlhdCI6MTYzNzIwMDc2MywiaXNzIjoiRU1RIFRlY2hub2xvZ2llcyBDby4sIEx0ZCBBbGwgcmlnaHRzIHJlc2VydmVkLiIsInBhc3MiOiIwMDAwIiwidXNlciI6ImFkbWluIn0.2EZzPC9djErrCeYNrK2av0smh-eKxDYeyu7cW4MyknI"
  3. }

更改密码

POST /api/v2/password

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 401
    • 1004, 缺少令牌
    • 1005, 解码令牌错误
    • 1012, 密码长度太短或太长
    • 1013, 密码重复
  • 403
    • 1006, 令牌过期
    • 1007, 验证令牌错误
    • 1008, 无效令牌

请求体

  1. {
  2.     "name": "admin",
  3.     "old_pass": "01234",
  4.     "new_pass": "56789"
  5. }

响应

  1. {
  2.     "error": 0
  3. }

添加 Node

POST /api/v2/node

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 400
    • 2001 node 类型无效
  • 404
    • 2301 未找到插件库
  • 409
    • 2002 node 不存在

请求体

  1. {
  2.     //node name
  3.     "name": "modbus-tcp-node",
  4.     //plugin name
  5.     "plugin": "Modbus TCP"
  6. }

响应

  1. {
  2.     "error": 0
  3. }

删除 Node

Delete /api/v2/node

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2003 node not exist

请求体

  1. {
  2.     //node name
  3.     "name": "modbus-tcp-node"
  4. }

响应

  1. {
  2.     "error": 0
  3. }

更新 Node(未实现)

PUT /api/v2/node

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2003 node exist

请求体

  1. {
  2.     //node id
  3.     "id": 1,
  4.     //node name
  5.     "name": "modbus-tcp-node"
  6. }

响应

  1. {
  2.     "error": 0
  3. }

获取 Node

GET /api/v2/node

请求参数

type 必需

plugin 可选

node 可选

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK

响应

  1. {
  2.     "nodes": [
  3.         {
  4.             //node name
  5.             "name": "sample-driver-adapter",
  6.             //plugin name
  7.             "plugin": "Modbus TCP"
  8.         },
  9.         {
  10.             "name": "modbus-tcp-adapter",
  11.             "plugin": "Modbus TCP"
  12.         }
  13.     ]
  14. }

配置 Node

POST /api/v2/node/setting

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 400
    • 2003 node 不存在
    • 2004 node 配置无效

请求体

  1. //The parameter fields in json fill in different fields according to different plugins
  2. {
  3.     //node name
  4.     "node": "modbus-node",
  5.     "params": {
  6.         "param1": 1,
  7.         "param2": "1.1.1.1",
  8.         "param3": true,
  9.         "param4": 11.22
  10.     }
  11. }

提示

每个插件的配置参数具体可参考 插件设置。

响应

  1. {
  2.     "error": 0
  3. }

获取 Node 配置

GET /api/v2/node/setting

请求参数

node 必需

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK
    • 2005 node 配置未发现
  • 404
    • 2003 node 不存在

响应

  1. //The parameter fields in json fill in different fields according to different plugins
  2. {
  3.     "node": "modbus-node",
  4.     "params": {
  5.         "param1": "1.1.1.1",
  6.         "param2": 502
  7.     }
  8. }

控制 Node

POST /api/v2/node/ctl

请求头部

Content-Type application/json

Authorization Bearer <token>

请求状态

  • 200 OK
  • 409
    • 2006 node not ready
    • 2007 node is running
    • 2008 node not running
    • 2009 node is stopped

请求体

  1. {
  2.     //node name
  3.     "node": "modbus-node",
  4.     //0 start, 1 stop
  5.     "cmd": 0
  6. }

响应

  1. {
  2.     "error": 0
  3. }

获取 Node 状态

GET /api/v2/node/state

请求参数

node optional

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK

响应

  1. {
  2.     "states": [
  3.         {
  4.             // node name
  5.             "node": "modbus-node1",
  6.             //running state
  7.             "running": 2,
  8.             //link state
  9.             "link": 1,
  10.             //average round trip time communicating with devices
  11.             "rtt": 100
  12.         },
  13.         {
  14.             "node": "modbus-node2",
  15.             "running": 1,
  16.             "link": 0,
  17.             "rtt": 9999
  18.         }
  19.     ]
  20. }

添加 Group

POST /api/v2/group

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2003 node not exist
  • 409
    • 2103 group not allow

请求体

  1. {
  2.     //group name
  3.     "group": "gconfig1",
  4.     //node name
  5.     "node": "modbus-node",
  6.     //read/upload interval(ms)
  7.     "interval": 10000
  8. }

响应

  1. {
  2.     "error": 0
  3. }

删除 Group

DELETE /api/v2/group

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 412
    • 2101 group already subscribed
  • 404
    • 2003 node not exist
    • 2101 group not exist

请求体

  1. {
  2.     //node name
  3.     "node": "modbus-node",
  4.     //group name
  5.     "group": "gconfig1"
  6. }

响应

  1. {
  2.     "error": 0
  3. }

更新 Group

PUT /api/v2/group

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2106 group not exist

请求体

  1. {
  2.     //node name
  3.     "node": "node1",
  4.     //group name
  5.     "group": "group",
  6.     //read/upload interval(ms)
  7.     "interval": 20000
  8. }

响应

  1. {
  2.     "error": 0
  3. }

获取 Group

GET /api/v2/group

请求参数

node 可选

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK

响应

  1. {
  2.     "groups": [
  3.         {
  4.             //group name
  5.             "name": "config_modbus_tcp_sample_2",
  6.             //read/upload interval(ms)
  7.             "interval": 2000,
  8.             //tag count
  9.             "tag_count": 0
  10.         },
  11.         {
  12.             "name": "gconfig1",
  13.             "interval": 10000,
  14.             "tag_count": 0
  15.         }
  16.     ]
  17. }

添加 Tag

POST /api/v2/tags

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 206
    • 2202 tag name conflict
    • 2203 tag attribute not support
    • 2204 tag type not support
    • 2205 tag address format invalid
  • 404
    • 2003 node not exist

请求体

  1. {
  2.    //node name
  3.     "node": "modbus-node",
  4.    //group name
  5.     "group": "config_modbus_tcp_sample_2",
  6.     "tags": [
  7.         {
  8.            //tag name
  9.             "name": "tag1",
  10.            //tag address
  11.             "address": "1!400001",
  12.            //tag attribute
  13.             "attribute": 8,
  14.            //tag type
  15.             "type": 4,
  16.            //optional, float/double precision, optional(0-17)
  17.             "precision": 0,
  18.            //optional, decimal
  19.             "decimal": 0,
  20.            //optional, description
  21.            "description": "",
  22.            //optional, when the attribute is static,the value field needs to be added.
  23.            "value": 12
  24.         },
  25.         {
  26.             "name": "tag2",
  27.             "address": "1!00001",
  28.             "attribute": 3,
  29.             "type": 3,
  30.             "decimal": 0.01
  31.         },
  32.         {
  33.             "name": "tag3",
  34.             "address": "1!400009",
  35.             "attribute": 3,
  36.             "type": 9,
  37.             "precision": 3
  38.         },
  39.         {
  40.             "name": "static_tag",
  41.             "address": "",
  42.             "attribute": 10,
  43.             "type": 1,
  44.             "description": "It is a static tag",
  45.             "value": 42
  46.         }
  47.     ]
  48. }

响应

  1. {
  2.     "index": 1,
  3.     "error": 0
  4. }

获取 Tag

GET /api/v2/tags

请求参数

node 必需

group 必需

name 可选

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2003 node 不存在

响应

  1. {
  2.     "tags": [
  3.         {
  4.             //tag name
  5.             "name": "tag1",
  6.             //tag type
  7.             "type": 4,
  8.             //tag address
  9.             "address": "1!400001",
  10.             //tag attribute
  11.             "attribute": 8,
  12.             //description
  13.             "description": "",
  14.             //float/double precision
  15.             "precison": 0,
  16.             //decimal
  17.             "decimal": 0,
  18.             //optional, when the attribute is static
  19.             "value": 12
  20.         },
  21.         {
  22.             "name": "tag2",
  23.             "type": 14,
  24.             "address": "1!00001",
  25.             "attribute": 3,
  26.             "description": "",
  27.             "precison": 0,
  28.             "decimal": 0,
  29.         },
  30.         {
  31.             "name": "tag3",
  32.             "type": 11,
  33.             "address": "1!400009",
  34.             "attribute": 3,
  35.             "description": "",
  36.             "precison": 0,
  37.             "decimal": 0,
  38.         }
  39.     ]
  40. }

更新 Tag

PUT /api/v2/tags

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 206
    • 2201 tag 不存在
    • 2202 tag 名字冲突
    • 2203 tag 属性不支持
    • 2204 tag 类型不支持
    • 2205 tag 地址格式无效
  • 404
    • 2003 node 不存在
    • 2106 group 不存在

请求体

  1. {
  2.     //node name
  3.     "node": "modbus-tcp-test",
  4.     //group name
  5.     "group": "group1",
  6.     "tags": [
  7.         {
  8.             //tag name
  9.             "name": "tag1",
  10.             //tag type
  11.             "type": 8,
  12.             //tag attribute
  13.             "attribute": 0,
  14.             //tag address
  15.             "address": "1!400001",
  16.             //description
  17.             "description":"",
  18.             //float/double precision
  19.             "precison": 0,
  20.             //decimal
  21.             "decimal": 0,
  22.             //when the attribute is static,the value field needs to be added.
  23.             "value": 12
  24.         },
  25.         {
  26.             "name": "tag2",
  27.             "type": 6,
  28.             "attribute": 0,
  29.             "address": "1!400002",
  30.             "description":"",
  31.             "precison": 0,
  32.             "decimal": 0,
  33.         },
  34.         {
  35.             "name": "static_tag",
  36.             "address": "",
  37.             "attribute": 10,
  38.             "type": 1,
  39.             "description":"",
  40.             "precison": 0,
  41.             "decimal": 0,
  42.             "value": 42
  43.         }
  44.     ]
  45. }

响应

  1. {
  2.     "error": 0,
  3.     "index": 1
  4. }

删除 Tag

DELETE /api/v2/tags

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2003 node 不存在

请求体

  1. {
  2.     //group name
  3.     "group": "config_modbus_tcp_sample_2",
  4.     //node name
  5.     "node": "modbus-node",
  6.     //tag names
  7.     "tags": [
  8.         "tag1",
  9.         "tag2"
  10.     ]
  11. }

响应

  1. {
  2.     "error": 0
  3. }

添加插件

POST /api/v2/plugin

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK

  • 400

    • 2302 库信息无效

请求体

  1. {
  2.     //plugin library name
  3.     "library": "plugin_name.so"
  4. }

响应

  1. {
  2.     "error": 0
  3. }

删除插件

DELETE /api/v2/plugin

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK

请求体

  1. {
  2.     //plugin name
  3.     "plugin": "modbus-tcp"
  4. }

响应

  1. {
  2.     "error": 0
  3. }

获取插件

GET /api/v2/plugin

请求参数

plugin optional

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK

响应

  1. {
  2.     "plugins": [
  3.         {
  4.             //plugin kind
  5.             "kind": 1,
  6.             //node type
  7.             "node_type": 1,
  8.             //plugin name
  9.             "name": "Modbus TCP",
  10.             //plugin library name
  11.             "library": "libplugin-modbus-tcp.so",
  12.             "description": "description",
  13.             "description_zh": "描述",
  14.             "schema": "modbus-tcp"
  15.         },
  16.         {
  17.             "kind": 1,
  18.             "node_type": 2,
  19.             "name": "MQTT",
  20.             "library": "libplugin-mqtt.so",
  21.             "description": "Neuron northbound MQTT plugin bases on NanoSDK.",
  22.             "description_zh": "基于 NanoSDK 的 Neuron 北向应用 MQTT 插件",
  23.             "schema": "mqtt"
  24.         }
  25.     ]
  26. }

获取插件 Schema

GET /api/v2/schema

请求参数

schema_name 必需

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK

响应

  1. {
  2.     "tag_regex": [
  3.         {
  4.             "type": 3,
  5.             "regex": "^[0-9]+![3-4][0-9]+(#B|#L|)$"
  6.         },
  7.         {
  8.             "type": 4,
  9.             "regex": "^[0-9]+![3-4][0-9]+(#B|#L|)$"
  10.         },
  11.         {
  12.             "type": 5,
  13.             "regex": "^[0-9]+![3-4][0-9]+(#BB|#BL|#LL|#LB|)$"
  14.         },
  15.         {
  16.             "type": 6,
  17.             "regex": "^[0-9]+![3-4][0-9]+(#BB|#BL|#LL|#LB|)$"
  18.         },
  19.         {
  20.             "type": 7,
  21.             "regex": "^[0-9]+![3-4][0-9]+(#B|#L|)$"
  22.         },
  23.         {
  24.             "type": 8,
  25.             "regex": "^[0-9]+![3-4][0-9]+(#B|#L|)$"
  26.         },
  27.         {
  28.             "type": 9,
  29.             "regex": "^[0-9]+![3-4][0-9]+(#BB|#BL|#LL|#LB|)$"
  30.         },
  31.         {
  32.             "type": 10,
  33.             "regex": "^[0-9]+![3-4][0-9]+(#B|#L|)$"
  34.         },
  35.         {
  36.             "type": 11,
  37.             "regex": "^[0-9]+!([0-1][0-9]+|[3-4][0-9]+\\.([0-9]|[0-1][0-5]))$"
  38.         },
  39.         {
  40.             "type": 13,
  41.             "regex": "^[0-9]+![3-4][0-9]+\\.[0-9]+(H|L|)$"
  42.         }
  43.     ],
  44.     "group_interval": 1000,
  45.     "connection_mode": {
  46.         "name": "Connection Mode",
  47.         "name_zh": "连接模式",
  48.         "description": "Neuron as the client, or as the server",
  49.         "description_zh": "Neuron 作为客户端或服务端",
  50.         "attribute": "required",
  51.         "type": "map",
  52.         "default": 0,
  53.         "valid": {
  54.             "map": [
  55.                 {
  56.                     "key": "Client",
  57.                     "value": 0
  58.                 },
  59.                 {
  60.                     "key": "Server",
  61.                     "value": 1
  62.                 }
  63.             ]
  64.         }
  65.     },
  66.     "interval": {
  67.         "name": "Send Interval",
  68.         "name_zh": "指令发送间隔",
  69.         "description": "Send reading instruction interval(ms)",
  70.         "description_zh": "发送读指令时间间隔，单位为毫秒",
  71.         "attribute": "required",
  72.         "type": "int",
  73.         "default": 20,
  74.         "valid": {
  75.             "min": 0,
  76.             "max": 3000
  77.         }
  78.     },
  79.     "host": {
  80.         "name": "IP Address",
  81.         "name_zh": "IP地址",
  82.         "description": "Local IP in server mode, remote device IP in client mode",
  83.         "description_zh": "服务端模式中填写本地 IP，客户端模式中填写目标设备 IP",
  84.         "attribute": "required",
  85.         "type": "string",
  86.         "valid": {
  87.             "regex": "/^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$/",
  88.             "length": 30
  89.         }
  90.     },
  91.     "port": {
  92.         "name": "Port",
  93.         "name_zh": "端口号",
  94.         "description": "Local port in server mode, remote device port in client mode",
  95.         "description_zh": "服务端模式中填写本地端口号，客户端模式中填写远程设备端口号",
  96.         "attribute": "required",
  97.         "type": "int",
  98.         "default": 502,
  99.         "valid": {
  100.             "min": 1,
  101.             "max": 65535
  102.         }
  103.     },
  104.     "timeout": {
  105.         "name": "Connection Timeout",
  106.         "name_zh": "连接超时时间",
  107.         "description": "Connection timeout(ms)",
  108.         "description_zh": "连接超时时间，单位为毫秒",
  109.         "attribute": "required",
  110.         "type": "int",
  111.         "default": 3000,
  112.         "valid": {
  113.             "min": 1000,
  114.             "max": 65535
  115.         }
  116.     }
  117. }

订阅

POST /api/v2/subscribe

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2106 group 不存在

请求体

  1. {
  2.     //app name
  3.     "app": "mqtt",
  4.     //driver name
  5.     "driver": "modbus-tcp",
  6.     //driver node group name
  7.     "group": "group-1",
  8.     //when using the MQTT plugin, the topic field needs to be added
  9.     "params": {
  10.         "topic": "/neuron/mqtt/group-1"
  11.     }
  12. }

响应

  1. {
  2.     "error": 0
  3. }

取消订阅

DELETE /api/v2/subscribe

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2106 group 不存在

请求体

  1. {
  2.     //app name
  3.     "app": "mqtt",
  4.     //driver name
  5.     "driver": "modbus-tcp",
  6.     //driver node group name
  7.     "group": "group-1",
  8.     //optional, when using the MQTT plugin, the topic field needs to be added
  9.     "params": {
  10.         "topic": "/neuron/mqtt/group-1"
  11.     }
  12. }

响应

  1. {
  2.     "error": 0
  3. }

获取订阅的 Group

GET /api/v2/subscribe

请求参数

app 必需

请求头部

Authorization Bearer <token>

响应状态

  • 200
  • 400

响应

  1. {
  2.     "groups": [
  3.         {
  4.             //driver name
  5.             "driver": "modbus-tcp",
  6.             //group name
  7.             "group": "group-1",
  8.             //optional, when using the MQTT plugin, the topic field needs to be added
  9.             "params": {
  10.                 "topic": "/neuron/mqtt/group-1"
  11.             }
  12.         },
  13.         {
  14.             //driver name
  15.             "driver": "modbus-tcp",
  16.             //group name
  17.             "group": "group-2",
  18.             //when using the MQTT plugin, the topic field needs to be added
  19.             "params": {
  20.                 "topic": "/neuron/mqtt/group-2"
  21.             }
  22.         }
  23.     ]
  24. }

获取版本信息

GET /api/v2/version

请求头部

Authorization Bearer <token>

响应状态

  • 200
  • 500
    • 1001 服务器内部错误

响应

  1. {
  2.     "build_date": "2022-06-01",
  3.     "revision": "99e2184+dirty", // dirty 表示有未提交的更改
  4.     "version": "2.4.0"
  5. }

上传 License

POST /api/v2/license

请求头部

Authorization Bearer <token>

响应状态

  • 200
    • 0 OK
    • 2402 license 过期
  • 400
    • 2401 license 无效
  • 500
    • 1001 服务器内部错误

请求体

  1. {
  2.     "license": "-----BEGIN CERTIFICATE-----\nMIID2TCCAsGgAwIBAgIEATSJqjA....."
  3. }

响应

  1. {
  2.     "error": 2401
  3. }

获取 License 信息

GET /api/v2/license

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2400 license 未找到
  • 500
    • 1001 服务器内部错误

响应

  1. {
  2.     "valid_until": "2023-03-15 08:11:19",
  3.     "valid_since": "2022-03-15 08:11:19",
  4.     "valid": false,
  5.     "max_nodes": 1,
  6.     "max_node_tags": 1,
  7.     "used_nodes": 12,
  8.     "used_tags": 846,
  9.     "license_type": "retail",
  10.     "error": 0,
  11.     "enabled_plugins": [
  12.         "MODBUS TCP Advance",
  13.         "OPC UA"
  14.     ],
  15.     "hardware_token": "I+kZidSifiyVSbz0/EgcM6AcefnlfR4IU19ZZUnTS18=",
  16.     "object": "emq",
  17.     "email_address": "emq@emqx.io"
  18. }

下载日志文件

GET /api/v2/logs

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 1011 文件不存在
    • 1014 执行指令失败
  • 500
    • 1001 内部错误

响应

如果有错误返回时响应：

  1. {
  2.     "error": 1014
  3. }

修改节点日志等级

PUT /api/v2/log/level

请求头部

Authorization Bearer <token>

响应状态

  • 200 OK
  • 404
    • 2003 node 不存在
  • 500
    • 1001 内部错误
    • 1010 程序繁忙

请求体

  1. {
  2.     // node name
  3.     "node": "modbus-tcp"
  4. }

响应

  1. {
  2.     "error": 0
  3. }

提示

调用接口修改节点的日志等级为 debug，十分钟左右自动切回默认等级。

下载文件

GET /api/v2/file

请求头部

Authorization Bearer <token>

请求参数

file_path 必需，文件的绝对路径

响应状态

  • 404
    • 1011 文件不存在
    • 4101 文件打开失败
    • 4102 文件读失败

响应

当正常响应时，返回文件内容并下载文件。

当错误响应时，返回对应的错误码。

  1. {
  2.     "error": 1011
  3. }

获取文件列表

GET /api/v2/file/info

请求头部

Authorization Bearer <token>

请求参数

dir_path 必需，目录的绝对路径

响应状态

  • 404
    • 1011 文件不存在
    • 4101 文件打开失败

响应

当正确响应时，响应文件名称、文件大小、文件创建时间和文件更新时间。

  1. {
  2.     "files": [
  3.         {
  4.             "name": "neuron",
  5.             "size": 4096,
  6.             "ctime": "Wed Jan  4 02:38:12 2023",
  7.             "mtime": "Mon Dec 26 09:48:42 2022"
  8.         },
  9.         {
  10.             "name": "test.txt",
  11.             "size": 13,
  12.             "ctime": "Wed Jan  4 02:38:12 2023",
  13.             "mtime": "Mon Dec 26 09:48:42 2022"
  14.         }
  15.     ]
  16. }

当错误响应时，响应对应的错误码。

  1. {
  2.     "error": 1011
  3. }