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-rw-r--r--rpc/codec/codec.go2
-rw-r--r--rpc/codec/json.go103
-rw-r--r--rpc/comms/comms.go42
-rw-r--r--rpc/comms/ipc.go6
-rw-r--r--rpc/comms/ipc_unix.go7
-rw-r--r--rpc/comms/ipc_windows.go34
6 files changed, 131 insertions, 63 deletions
diff --git a/rpc/codec/codec.go b/rpc/codec/codec.go
index 5e8f38438..3177f77e4 100644
--- a/rpc/codec/codec.go
+++ b/rpc/codec/codec.go
@@ -12,7 +12,7 @@ type Codec int
// (de)serialization support for rpc interface
type ApiCoder interface {
// Parse message to request from underlying stream
- ReadRequest() (*shared.Request, error)
+ ReadRequest() ([]*shared.Request, bool, error)
// Parse response message from underlying stream
ReadResponse() (interface{}, error)
// Encode response to encoded form in underlying stream
diff --git a/rpc/codec/json.go b/rpc/codec/json.go
index 31024ee74..0b1a90562 100644
--- a/rpc/codec/json.go
+++ b/rpc/codec/json.go
@@ -2,71 +2,130 @@ package codec
import (
"encoding/json"
+ "fmt"
"net"
+ "time"
"github.com/ethereum/go-ethereum/rpc/shared"
)
const (
- MAX_RESPONSE_SIZE = 64 * 1024
+ READ_TIMEOUT = 15 // read timeout in seconds
+ MAX_REQUEST_SIZE = 1024 * 1024
+ MAX_RESPONSE_SIZE = 1024 * 1024
)
// Json serialization support
type JsonCodec struct {
c net.Conn
- d *json.Decoder
- e *json.Encoder
}
// Create new JSON coder instance
func NewJsonCoder(conn net.Conn) ApiCoder {
return &JsonCodec{
c: conn,
- d: json.NewDecoder(conn),
- e: json.NewEncoder(conn),
}
}
// Serialize obj to JSON and write it to conn
-func (self *JsonCodec) ReadRequest() (*shared.Request, error) {
- req := shared.Request{}
- err := self.d.Decode(&req)
- if err == nil {
- return &req, nil
+func (self *JsonCodec) ReadRequest() (requests []*shared.Request, isBatch bool, err error) {
+ bytesInBuffer := 0
+ buf := make([]byte, MAX_REQUEST_SIZE)
+
+ deadline := time.Now().Add(READ_TIMEOUT * time.Second)
+ if err := self.c.SetDeadline(deadline); err != nil {
+ return nil, false, err
+ }
+
+ for {
+ n, err := self.c.Read(buf[bytesInBuffer:])
+ if err != nil {
+ self.c.Close()
+ return nil, false, err
+ }
+
+ bytesInBuffer += n
+
+ singleRequest := shared.Request{}
+ err = json.Unmarshal(buf[:bytesInBuffer], &singleRequest)
+ if err == nil {
+ requests := make([]*shared.Request, 1)
+ requests[0] = &singleRequest
+ return requests, false, nil
+ }
+
+ requests = make([]*shared.Request, 0)
+ err = json.Unmarshal(buf[:bytesInBuffer], &requests)
+ if err == nil {
+ return requests, true, nil
+ }
}
- return nil, err
+
+ self.c.Close() // timeout
+ return nil, false, fmt.Errorf("Unable to read response")
}
func (self *JsonCodec) ReadResponse() (interface{}, error) {
- var err error
+ bytesInBuffer := 0
buf := make([]byte, MAX_RESPONSE_SIZE)
- n, _ := self.c.Read(buf)
- var failure shared.ErrorResponse
- if err = json.Unmarshal(buf[:n], &failure); err == nil && failure.Error != nil {
- return failure, nil
+ deadline := time.Now().Add(READ_TIMEOUT * time.Second)
+ if err := self.c.SetDeadline(deadline); err != nil {
+ return nil, err
}
- var success shared.SuccessResponse
- if err = json.Unmarshal(buf[:n], &success); err == nil {
- return success, nil
+ for {
+ n, err := self.c.Read(buf[bytesInBuffer:])
+ if err != nil {
+ return nil, err
+ }
+ bytesInBuffer += n
+
+ var success shared.SuccessResponse
+ if err = json.Unmarshal(buf[:bytesInBuffer], &success); err == nil {
+ return success, nil
+ }
+
+ var failure shared.ErrorResponse
+ if err = json.Unmarshal(buf[:bytesInBuffer], &failure); err == nil && failure.Error != nil {
+ return failure, nil
+ }
}
- return nil, err
+ self.c.Close()
+ return nil, fmt.Errorf("Unable to read response")
}
-// Encode response to encoded form in underlying stream
+// Decode data
func (self *JsonCodec) Decode(data []byte, msg interface{}) error {
return json.Unmarshal(data, msg)
}
+// Encode message
func (self *JsonCodec) Encode(msg interface{}) ([]byte, error) {
return json.Marshal(msg)
}
// Parse JSON data from conn to obj
func (self *JsonCodec) WriteResponse(res interface{}) error {
- return self.e.Encode(&res)
+ data, err := json.Marshal(res)
+ if err != nil {
+ self.c.Close()
+ return err
+ }
+
+ bytesWritten := 0
+
+ for bytesWritten < len(data) {
+ n, err := self.c.Write(data[bytesWritten:])
+ if err != nil {
+ self.c.Close()
+ return err
+ }
+ bytesWritten += n
+ }
+
+ return nil
}
// Close decoder and encoder
diff --git a/rpc/comms/comms.go b/rpc/comms/comms.go
index bfe625758..6e980149f 100644
--- a/rpc/comms/comms.go
+++ b/rpc/comms/comms.go
@@ -43,29 +43,49 @@ type EthereumClient interface {
SupportedModules() (map[string]string, error)
}
-func handle(conn net.Conn, api shared.EthereumApi, c codec.Codec) {
+func handle(id int, conn net.Conn, api shared.EthereumApi, c codec.Codec) {
codec := c.New(conn)
for {
- req, err := codec.ReadRequest()
+ requests, isBatch, err := codec.ReadRequest()
if err == io.EOF {
codec.Close()
return
} else if err != nil {
- glog.V(logger.Error).Infof("comms recv err - %v\n", err)
codec.Close()
+ glog.V(logger.Debug).Infof("Closed IPC Conn %06d recv err - %v\n", id, err)
return
}
- var rpcResponse interface{}
- res, err := api.Execute(req)
+ if isBatch {
+ responses := make([]*interface{}, len(requests))
+ responseCount := 0
+ for _, req := range requests {
+ res, err := api.Execute(req)
+ if req.Id != nil {
+ rpcResponse := shared.NewRpcResponse(req.Id, req.Jsonrpc, res, err)
+ responses[responseCount] = rpcResponse
+ responseCount += 1
+ }
+ }
- rpcResponse = shared.NewRpcResponse(req.Id, req.Jsonrpc, res, err)
- err = codec.WriteResponse(rpcResponse)
- if err != nil {
- glog.V(logger.Error).Infof("comms send err - %v\n", err)
- codec.Close()
- return
+ err = codec.WriteResponse(responses[:responseCount])
+ if err != nil {
+ codec.Close()
+ glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err)
+ return
+ }
+ } else {
+ var rpcResponse interface{}
+ res, err := api.Execute(requests[0])
+
+ rpcResponse = shared.NewRpcResponse(requests[0].Id, requests[0].Jsonrpc, res, err)
+ err = codec.WriteResponse(rpcResponse)
+ if err != nil {
+ codec.Close()
+ glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err)
+ return
+ }
}
}
}
diff --git a/rpc/comms/ipc.go b/rpc/comms/ipc.go
index 068a1288f..f3dda5581 100644
--- a/rpc/comms/ipc.go
+++ b/rpc/comms/ipc.go
@@ -2,6 +2,7 @@ package comms
import (
"fmt"
+ "math/rand"
"net"
"encoding/json"
@@ -16,6 +17,7 @@ type IpcConfig struct {
type ipcClient struct {
endpoint string
+ c net.Conn
codec codec.Codec
coder codec.ApiCoder
}
@@ -94,3 +96,7 @@ func NewIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
func StartIpc(cfg IpcConfig, codec codec.Codec, offeredApi shared.EthereumApi) error {
return startIpc(cfg, codec, offeredApi)
}
+
+func newIpcConnId() int {
+ return rand.Int() % 1000000
+}
diff --git a/rpc/comms/ipc_unix.go b/rpc/comms/ipc_unix.go
index 295eb916b..3e71c7d32 100644
--- a/rpc/comms/ipc_unix.go
+++ b/rpc/comms/ipc_unix.go
@@ -18,7 +18,7 @@ func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
return nil, err
}
- return &ipcClient{cfg.Endpoint, codec, codec.New(c)}, nil
+ return &ipcClient{cfg.Endpoint, c, codec, codec.New(c)}, nil
}
func (self *ipcClient) reconnect() error {
@@ -48,7 +48,10 @@ func startIpc(cfg IpcConfig, codec codec.Codec, api shared.EthereumApi) error {
continue
}
- go handle(conn, api, codec)
+ id := newIpcConnId()
+ glog.V(logger.Debug).Infof("New IPC connection with id %06d started\n", id)
+
+ go handle(id, conn, api, codec)
}
os.Remove(cfg.Endpoint)
diff --git a/rpc/comms/ipc_windows.go b/rpc/comms/ipc_windows.go
index 44c82ef8a..203cd2d7b 100644
--- a/rpc/comms/ipc_windows.go
+++ b/rpc/comms/ipc_windows.go
@@ -640,7 +640,7 @@ func newIpcClient(cfg IpcConfig, codec codec.Codec) (*ipcClient, error) {
return nil, err
}
- return &ipcClient{cfg.Endpoint, codec, codec.New(c)}, nil
+ return &ipcClient{cfg.Endpoint, c, codec, codec.New(c)}, nil
}
func (self *ipcClient) reconnect() error {
@@ -668,33 +668,13 @@ func startIpc(cfg IpcConfig, codec codec.Codec, api shared.EthereumApi) error {
continue
}
- go func(conn net.Conn) {
- codec := codec.New(conn)
-
- for {
- req, err := codec.ReadRequest()
- if err == io.EOF {
- codec.Close()
- return
- } else if err != nil {
- glog.V(logger.Error).Infof("IPC recv err - %v\n", err)
- codec.Close()
- return
- }
-
- var rpcResponse interface{}
- res, err := api.Execute(req)
-
- rpcResponse = shared.NewRpcResponse(req.Id, req.Jsonrpc, res, err)
- err = codec.WriteResponse(rpcResponse)
- if err != nil {
- glog.V(logger.Error).Infof("IPC send err - %v\n", err)
- codec.Close()
- return
- }
- }
- }(conn)
+ id := newIpcConnId()
+ glog.V(logger.Debug).Infof("New IPC connection with id %06d started\n", id)
+
+ go handle(id, conn, api, codec)
}
+
+ os.Remove(cfg.Endpoint)
}()
glog.V(logger.Info).Infof("IPC service started (%s)\n", cfg.Endpoint)
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-28 18:42:45 +0800