viewservice

package

v0.0.0-...-1bd0170 Latest Latest Go to latest Published: Oct 14, 2016 License: MIT Imports: 8 Imported by: 0

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View Source

const DeadPings = 5

the viewserver will declare a client dead if it misses this many Ping RPCs in a row.

View Source

const PingInterval = time.Millisecond * 100

clients should send a Ping RPC this often, to tell the viewservice that the client is alive.

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This section is empty.

type Clerk struct {
	// contains filtered or unexported fields
}

the viewservice Clerk lives in the client and maintains a little state.

func MakeClerk(me string, server string) *Clerk

func (ck *Clerk) Get() (View, bool)

func (ck *Clerk) Ping(viewnum uint) (View, error)

func (ck *Clerk) Primary() string

type GetArgs struct {
}

type GetReply struct {
	View View
}

type PingArgs struct {
	Me      string // "host:port"
	Viewnum uint   // caller's notion of current view #
}

type PingReply struct {
	View View
}

type View struct {
	Viewnum uint
	Primary string
	Backup  string
}

type ViewServer struct {
	// contains filtered or unexported fields
}

func StartServer(me string) *ViewServer

func (vs *ViewServer) Get(args *GetArgs, reply *GetReply) error

server Get() RPC handler.

func (vs *ViewServer) GetRPCCount() int32

please don't change this function.

func (vs *ViewServer) Kill()

tell the server to shut itself down. for testing. please don't change these two functions.

func (vs *ViewServer) Ping(args *PingArgs, reply *PingReply) error

server Ping RPC handler.