iFourinone

A simple distributed system, based on Fourinone 2.0

Some ports

• 8000 : listen to register for workers
• 8001 : listen to hire workers
• 8002 : server for cache
• 8003 : fs server

How to run the demo?

Distribute calculate

• go run parkServerTest.go
• go run workTest.go IP PORT

you can run one or more workTest.go

• go run contractorTest.go

Distribute cache

• go run parkServerTest.go
• go run cacheNodeTest.go ip port maxbytes_for_cache

you can run one or more cacheNodeTest.go

Distribute fileSystem

• go run parkServerTest.go
• go run FSNodeTest.go localhost 19000 /Users/yexingming/code/go/iFourinone/123
• go run FSNodeTest.go localhost 19001 /Users/yexingming/code/go/iFourinone/456

you can run one or more FSNodeTest.go

the function of uploading and deleting file can only use command

# upload commands:
curl -X POST http://127.0.0.1:19005/upload -F "upload=@/Users/yexingming/Pictures/1.txt" -F "path=dir" -H "Content-Type: multipart/form-data"
curl -X POST http://127.0.0.1:19005/upload -F "upload=@/Users/yexingming/Pictures/1.txt" -F "path=." -H "Content-Type: multipart/form-data"

# delete commands:
curl -X POST http://127.0.0.1:19005/delete -F "file=dir/1.txt" -H "Content-Type: multipart/form-data"
curl -X POST http://127.0.0.1:19005/delete -F "file=1.txt" -H "Content-Type: multipart/form-data"

Screenshot

Notice

• 供远程RPC调用的方法首字母需要大写，大写表示允许外部访问
• RPC方法若需要返回值最后需要对*reply赋值，而不是对reply赋值
• 方法声明的reply类型最好和传入的reply类型保持一致