README
¶
pando-cloud 
PandoCloud是Pando物联网解决方案的云平台部分。
什么是Pando？
Pando是一套完全开源的物联网解决方案。致力于帮助开发者快速创建自己的物联网应用。它包含了如下的工具，协议和类库：
- Pando Cloud
- Pando Embeded Framework
- Pando Protocol
- Mobile SDK for Android and IOS
- IoT Explorer APP FreeIOT for Android and IOS
- IoT Kit Tisan
设计理念
Pando的目的是为了提供一套可应用于实际生产环境的的物联网解决方案。它并不是一个简单的用于演示物联网服务的测试demo。下面列举了实现这套方案我们需要关注的一些关键点：
- 物联网: 应该提供一套物联网应用场景的最佳实践。
- 可靠性: 应该被充分的测试，并少有缺陷。
- 分布式: 可以方便的部署在单机和集群环境中。
- 可用性: 提供容错能力，灾备能力，自我修复机制等。
- 扩展性: 必须是模块化，可插拔。
- 易用性: 易于学习的开发和部署方式。
- 通用性: 通用的设计和深度的业务抽象。
- 高性能: 在硬件能耗和网络带宽使用上要尽量降低。
- 安全性: 避免降低入侵和破解的风险。
- 伸缩性: 轻松管理数千乃至数亿级的物联网设备。
系统架构
系统采用三层架构。
接入层
接入层提供了使用不同协议的设备的通信连接，包括但不局限于HTTP协议，XMPP协议，MQTT协议，COAP协议。
设备注册，身份验证和设备发现使用HTTP协议。目前，我们支持使用MQTT协议与设备进行通信。
业务层
逻辑业务层用于实现整个物联网面相设备的相关业务，例如设备管理和API等。
- registry: 负责维护平台级的配置信息和元数据。
- devicemanger: 设备管理器用于管理设备和处理设备的数据请求，并保持、监视设备状态。
- apiprovider: 为应用程序扩展提供Restful API，并在设备状态发生变化时通知应用服务器。
- controller: 管理设备接入服务，并且将设备请求路由到正确的接入服务。
核心服务层
我们的核心服务所选择的开源程序：
- mongodb: 用mongodb做为设备的数据存储引擎。
- mysql: 用MySql存储同类型设备的全局配置信息。
- redis: 使用redis提供缓存服务。
- nsq: 异步通信消息队列做为消息通知中心。
- etcd: 高可用的键值存储系统,主要用于共享配置和服务发现。
- ELK: elk日志分析系统即Logstash+ElasticSearch+Kibana4的组合简称，主要用于日志记录和分析。
技术参考
快速开始
快速开始介绍如何在自己的服务器或者pc机上单机部署pando物联网云。
开发应用
基于pando平台的物联网应用分为设备端和应用服务器。
- 设备端负责实现数据流的传输和管理，须符合pando物联网应用协议；我们提供了Pando嵌入式开发框架封装了协议的实现，并支持移植到不同的硬件平台。也可根据设备接入接口文档自行实现设备端移植。
- 应用服务器负责实现设备管理和交互的业务逻辑，并负责和用户终端（如手机，pc，微信等）进行交互。应用服务区器通过REST API访问Pando云平台的HTTP接口来实现对设备的操作，并通过向云平台注册回调URL接收设备的状态变化的事件通知。具体可参考应用服务器接口文档。
贡献项目
pando物联网平台是完全开源免费的物联网解决方案，欢迎大家以各种形式贡献项目。
Directories
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| Path | Synopsis |
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Godeps
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_workspace/src/git.eclipse.org/gitroot/paho/org.eclipse.paho.mqtt.golang.git
Package mqtt provides an MQTT v3.1.1 client library.
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Package mqtt provides an MQTT v3.1.1 client library. |
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_workspace/src/github.com/Sirupsen/logrus
Package logrus is a structured logger for Go, completely API compatible with the standard library logger.
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Package logrus is a structured logger for Go, completely API compatible with the standard library logger. |
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_workspace/src/github.com/codegangsta/inject
Package inject provides utilities for mapping and injecting dependencies in various ways.
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Package inject provides utilities for mapping and injecting dependencies in various ways. |
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_workspace/src/github.com/coreos/etcd/client
Package client provides bindings for the etcd APIs.
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Package client provides bindings for the etcd APIs. |
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_workspace/src/github.com/coreos/etcd/pkg/pathutil
Package pathutil implements utility functions for handling slash-separated paths.
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Package pathutil implements utility functions for handling slash-separated paths. |
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_workspace/src/github.com/coreos/etcd/pkg/types
Package types declares various data types and implements type-checking functions.
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Package types declares various data types and implements type-checking functions. |
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_workspace/src/github.com/garyburd/redigo/internal/redistest
Package redistest contains utilities for writing Redigo tests.
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Package redistest contains utilities for writing Redigo tests. |
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_workspace/src/github.com/garyburd/redigo/redis
Package redis is a client for the Redis database.
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Package redis is a client for the Redis database. |
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_workspace/src/github.com/go-martini/martini
Package martini is a powerful package for quickly writing modular web applications/services in Golang.
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Package martini is a powerful package for quickly writing modular web applications/services in Golang. |
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_workspace/src/github.com/go-sql-driver/mysql
Go MySQL Driver - A MySQL-Driver for Go's database/sql package
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Go MySQL Driver - A MySQL-Driver for Go's database/sql package |
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_workspace/src/github.com/martini-contrib/binding
Package binding transforms a raw request into a struct ready to be used your application.
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Package binding transforms a raw request into a struct ready to be used your application. |
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_workspace/src/github.com/martini-contrib/render
Package render is a middleware for Martini that provides easy JSON serialization and HTML template rendering.
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Package render is a middleware for Martini that provides easy JSON serialization and HTML template rendering. |
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_workspace/src/github.com/oxtoacart/bpool
Package bpool implements leaky pools of byte arrays and Buffers as bounded channels.
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Package bpool implements leaky pools of byte arrays and Buffers as bounded channels. |
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_workspace/src/github.com/pborman/uuid
The uuid package generates and inspects UUIDs.
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The uuid package generates and inspects UUIDs. |
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_workspace/src/github.com/qor/inflection
Package inflection pluralizes and singularizes English nouns.
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Package inflection pluralizes and singularizes English nouns. |
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_workspace/src/github.com/ugorji/go/codec
High Performance, Feature-Rich Idiomatic Go codec/encoding library for binc, msgpack, cbor, json.
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High Performance, Feature-Rich Idiomatic Go codec/encoding library for binc, msgpack, cbor, json. |
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_workspace/src/github.com/ugorji/go/codec/codecgen
codecgen generates codec.Selfer implementations for a set of types.
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codecgen generates codec.Selfer implementations for a set of types. |
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_workspace/src/golang.org/x/net/context
Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes.
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Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes. |
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_workspace/src/golang.org/x/net/context/ctxhttp
Package ctxhttp provides helper functions for performing context-aware HTTP requests.
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Package ctxhttp provides helper functions for performing context-aware HTTP requests. |
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_workspace/src/golang.org/x/net/websocket
Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.
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Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455. |
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_workspace/src/labix.org/v2/mgo
Package mgo offers a rich MongoDB driver for Go.
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Package mgo offers a rich MongoDB driver for Go. |
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_workspace/src/labix.org/v2/mgo/bson
Package bson is an implementation of the BSON specification for Go:
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Package bson is an implementation of the BSON specification for Go: |
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_workspace/src/labix.org/v2/mgo/sasl
Package sasl is an implementation detail of the mgo package.
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Package sasl is an implementation detail of the mgo package. |
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_workspace/src/labix.org/v2/mgo/txn
The txn package implements support for multi-document transactions.
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The txn package implements support for multi-document transactions. |
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pkg
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models
application is app who will use the cloud api
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application is app who will use the cloud api |
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mysql
database initial and migrate
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database initial and migrate |
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online
package online manage device online state and store it in redis.
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package online manage device online state and store it in redis. |
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queue
package queue implement a message queque api with redis pub/sub command
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package queue implement a message queque api with redis pub/sub command |
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server
http server library.
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http server library. |
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services
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tests
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tools
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