aboutsummaryrefslogtreecommitdiffstats
path: root/rpc/server.go
blob: 20f75ce67f5ecdede6fb0cb5fdd4849b2036d5cc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
package rpc

import (
    "fmt"
    "net"
    "net/rpc"
    "net/rpc/jsonrpc"

    "github.com/ethereum/go-ethereum/ethpipe"
    "github.com/ethereum/go-ethereum/logger"
)

var jsonlogger = logger.NewLogger("JSON")

type JsonRpcServer struct {
    quit     chan bool
    listener net.Listener
    pipe     *ethpipe.JSPipe
}

func (s *JsonRpcServer) exitHandler() {
out:
    for {
        select {
        case <-s.quit:
            s.listener.Close()
            break out
        }
    }

    jsonlogger.Infoln("Shutdown JSON-RPC server")
}

func (s *JsonRpcServer) Stop() {
    close(s.quit)
}

func (s *JsonRpcServer) Start() {
    jsonlogger.Infoln("Starting JSON-RPC server")
    go s.exitHandler()
    rpc.Register(&EthereumApi{pipe: s.pipe})
    rpc.HandleHTTP()

    for {
        conn, err := s.listener.Accept()
        if err != nil {
            jsonlogger.Infoln("Error starting JSON-RPC:", err)
            break
        }
        jsonlogger.Debugln("Incoming request.")
        go jsonrpc.ServeConn(conn)
    }
}

func NewJsonRpcServer(pipe *ethpipe.JSPipe, port int) (*JsonRpcServer, error) {
    sport := fmt.Sprintf(":%d", port)
    l, err := net.Listen("tcp", sport)
    if err != nil {
        return nil, err
    }

    return &JsonRpcServer{
        listener: l,
        quit:     make(chan bool),
        pipe:     pipe,
    }, nil
}