plugeth/ethrpc/server.go

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package ethrpc
import (
"fmt"
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"net"
"net/rpc"
"net/rpc/jsonrpc"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethpipe"
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)
var logger = ethlog.NewLogger("JSON")
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type JsonRpcServer struct {
quit chan bool
listener net.Listener
pipe *ethpipe.JSPipe
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}
func (s *JsonRpcServer) exitHandler() {
out:
for {
select {
case <-s.quit:
s.listener.Close()
break out
}
}
logger.Infoln("Shutdown JSON-RPC server")
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}
func (s *JsonRpcServer) Stop() {
close(s.quit)
}
func (s *JsonRpcServer) Start() {
logger.Infoln("Starting JSON-RPC server")
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go s.exitHandler()
rpc.Register(&EthereumApi{pipe: s.pipe})
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rpc.HandleHTTP()
for {
conn, err := s.listener.Accept()
if err != nil {
logger.Infoln("Error starting JSON-RPC:", err)
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break
}
logger.Debugln("Incoming request.")
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go jsonrpc.ServeConn(conn)
}
}
func NewJsonRpcServer(pipe *ethpipe.JSPipe, port int) (*JsonRpcServer, error) {
sport := fmt.Sprintf(":%d", port)
l, err := net.Listen("tcp", sport)
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if err != nil {
return nil, err
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}
return &JsonRpcServer{
listener: l,
quit: make(chan bool),
pipe: pipe,
}, nil
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}