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author | Jeffrey Wilcke <jeffrey@ethereum.org> | 2015-07-03 23:26:57 +0800 |
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committer | Jeffrey Wilcke <jeffrey@ethereum.org> | 2015-07-03 23:26:57 +0800 |
commit | 4dfcd6012b17032ca3bb06afb76b9b283578b82a (patch) | |
tree | 9324e07fd8a8a978182be5af466e432d6d19631d | |
parent | 546c0f631c77be253d1293b82cf3843d752a2ae2 (diff) | |
parent | e8c1399bbf08234389f0e8f5da08f146856dab12 (diff) | |
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Merge pull request #1392 from bas-vk/ipcpipelining
Several bugfixes to IPC channel
-rw-r--r-- | cmd/utils/flags.go | 10 | ||||
-rw-r--r-- | rpc/codec/json.go | 58 | ||||
-rw-r--r-- | rpc/codec/json_test.go | 141 | ||||
-rw-r--r-- | rpc/jeth.go | 18 |
4 files changed, 181 insertions, 46 deletions
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index f27f1bbcd..b4182ff59 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -432,17 +432,17 @@ func MakeAccountManager(ctx *cli.Context) *accounts.Manager { func IpcSocketPath(ctx *cli.Context) (ipcpath string) { if common.IsWindows() { ipcpath = common.DefaultIpcPath() - if ipcpath != ctx.GlobalString(IPCPathFlag.Name) { + if ctx.GlobalIsSet(IPCPathFlag.Name) { ipcpath = ctx.GlobalString(IPCPathFlag.Name) } } else { ipcpath = common.DefaultIpcPath() - if ctx.GlobalString(IPCPathFlag.Name) != common.DefaultIpcPath() { - ipcpath = ctx.GlobalString(IPCPathFlag.Name) - } else if ctx.GlobalString(DataDirFlag.Name) != "" && - ctx.GlobalString(DataDirFlag.Name) != common.DefaultDataDir() { + if ctx.GlobalIsSet(DataDirFlag.Name) { ipcpath = filepath.Join(ctx.GlobalString(DataDirFlag.Name), "geth.ipc") } + if ctx.GlobalIsSet(IPCPathFlag.Name) { + ipcpath = ctx.GlobalString(IPCPathFlag.Name) + } } return diff --git a/rpc/codec/json.go b/rpc/codec/json.go index 0b1a90562..8aa0e6bbf 100644 --- a/rpc/codec/json.go +++ b/rpc/codec/json.go @@ -10,7 +10,7 @@ import ( ) const ( - READ_TIMEOUT = 15 // read timeout in seconds + READ_TIMEOUT = 60 // in seconds MAX_REQUEST_SIZE = 1024 * 1024 MAX_RESPONSE_SIZE = 1024 * 1024 ) @@ -18,51 +18,43 @@ const ( // Json serialization support type JsonCodec struct { c net.Conn + d *json.Decoder } // Create new JSON coder instance func NewJsonCoder(conn net.Conn) ApiCoder { return &JsonCodec{ c: conn, + d: json.NewDecoder(conn), } } -// Serialize obj to JSON and write it to conn +// Read incoming request and parse it to RPC request 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 + var incoming json.RawMessage + err = self.d.Decode(&incoming) + if err == nil { + isBatch = incoming[0] == '[' + if isBatch { + requests = make([]*shared.Request, 0) + err = json.Unmarshal(incoming, &requests) + } else { + requests = make([]*shared.Request, 1) + var singleRequest shared.Request + if err = json.Unmarshal(incoming, &singleRequest); err == nil { + requests[0] = &singleRequest + } } + return } - self.c.Close() // timeout - return nil, false, fmt.Errorf("Unable to read response") + self.c.Close() + return nil, false, err } func (self *JsonCodec) ReadResponse() (interface{}, error) { @@ -81,15 +73,15 @@ func (self *JsonCodec) ReadResponse() (interface{}, error) { } bytesInBuffer += n + var failure shared.ErrorResponse + if err = json.Unmarshal(buf[:bytesInBuffer], &failure); err == nil && failure.Error != nil { + return failure, fmt.Errorf(failure.Error.Message) + } + 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 - } } self.c.Close() diff --git a/rpc/codec/json_test.go b/rpc/codec/json_test.go new file mode 100644 index 000000000..d5c672cdf --- /dev/null +++ b/rpc/codec/json_test.go @@ -0,0 +1,141 @@ +package codec + +import ( + "bytes" + "io" + "net" + "testing" + "time" +) + +type jsonTestConn struct { + buffer *bytes.Buffer +} + +func newJsonTestConn(data []byte) *jsonTestConn { + return &jsonTestConn{ + buffer: bytes.NewBuffer(data), + } +} + +func (self *jsonTestConn) Read(p []byte) (n int, err error) { + return self.buffer.Read(p) +} + +func (self *jsonTestConn) Write(p []byte) (n int, err error) { + return self.buffer.Write(p) +} + +func (self *jsonTestConn) Close() error { + // not implemented + return nil +} + +func (self *jsonTestConn) LocalAddr() net.Addr { + // not implemented + return nil +} + +func (self *jsonTestConn) RemoteAddr() net.Addr { + // not implemented + return nil +} + +func (self *jsonTestConn) SetDeadline(t time.Time) error { + return nil +} + +func (self *jsonTestConn) SetReadDeadline(t time.Time) error { + return nil +} + +func (self *jsonTestConn) SetWriteDeadline(t time.Time) error { + return nil +} + +func TestJsonDecoderWithValidRequest(t *testing.T) { + reqdata := []byte(`{"jsonrpc":"2.0","method":"modules","params":[],"id":64}`) + decoder := newJsonTestConn(reqdata) + + jsonDecoder := NewJsonCoder(decoder) + requests, batch, err := jsonDecoder.ReadRequest() + + if err != nil { + t.Errorf("Read valid request failed - %v", err) + } + + if len(requests) != 1 { + t.Errorf("Expected to get a single request but got %d", len(requests)) + } + + if batch { + t.Errorf("Got batch indication while expecting single request") + } + + if requests[0].Id != float64(64) { + t.Errorf("Expected req.Id == 64 but got %v", requests[0].Id) + } + + if requests[0].Method != "modules" { + t.Errorf("Expected req.Method == 'modules' got '%s'", requests[0].Method) + } +} + +func TestJsonDecoderWithValidBatchRequest(t *testing.T) { + reqdata := []byte(`[{"jsonrpc":"2.0","method":"modules","params":[],"id":64}, + {"jsonrpc":"2.0","method":"modules","params":[],"id":64}]`) + decoder := newJsonTestConn(reqdata) + + jsonDecoder := NewJsonCoder(decoder) + requests, batch, err := jsonDecoder.ReadRequest() + + if err != nil { + t.Errorf("Read valid batch request failed - %v", err) + } + + if len(requests) != 2 { + t.Errorf("Expected to get two requests but got %d", len(requests)) + } + + if !batch { + t.Errorf("Got no batch indication while expecting batch request") + } + + for i := 0; i < len(requests); i++ { + if requests[i].Id != float64(64) { + t.Errorf("Expected req.Id == 64 but got %v", requests[i].Id) + } + + if requests[i].Method != "modules" { + t.Errorf("Expected req.Method == 'modules' got '%s'", requests[i].Method) + } + } +} + +func TestJsonDecoderWithInvalidIncompleteMessage(t *testing.T) { + reqdata := []byte(`{"jsonrpc":"2.0","method":"modules","pa`) + decoder := newJsonTestConn(reqdata) + + jsonDecoder := NewJsonCoder(decoder) + requests, batch, err := jsonDecoder.ReadRequest() + + if err != io.ErrUnexpectedEOF { + t.Errorf("Expected to read an incomplete request err but got %v", err) + } + + // remaining message + decoder.Write([]byte(`rams":[],"id:64"}`)) + requests, batch, err = jsonDecoder.ReadRequest() + + if err == nil { + t.Errorf("Expected an error but got nil") + } + + if len(requests) != 0 { + t.Errorf("Expected to get no requests but got %d", len(requests)) + } + + if batch { + t.Errorf("Got batch indication while expecting non batch") + } +} diff --git a/rpc/jeth.go b/rpc/jeth.go index 33fcd6efd..78e44c4da 100644 --- a/rpc/jeth.go +++ b/rpc/jeth.go @@ -3,6 +3,8 @@ package rpc import ( "encoding/json" + "fmt" + "github.com/ethereum/go-ethereum/jsre" "github.com/ethereum/go-ethereum/rpc/comms" "github.com/ethereum/go-ethereum/rpc/shared" @@ -20,14 +22,13 @@ func NewJeth(ethApi shared.EthereumApi, re *jsre.JSRE, client comms.EthereumClie } func (self *Jeth) err(call otto.FunctionCall, code int, msg string, id interface{}) (response otto.Value) { - rpcerr := &shared.ErrorObject{code, msg} - call.Otto.Set("ret_jsonrpc", shared.JsonRpcVersion) - call.Otto.Set("ret_id", id) - call.Otto.Set("ret_error", rpcerr) - response, _ = call.Otto.Run(` - ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, error: ret_error }; - `) - return + errObj := fmt.Sprintf("{\"message\": \"%s\", \"code\": %d}", msg, code) + retResponse := fmt.Sprintf("ret_response = JSON.parse('{\"jsonrpc\": \"%s\", \"id\": %v, \"error\": %s}');", shared.JsonRpcVersion, id, errObj) + + call.Otto.Run("ret_error = " + errObj) + res, _ := call.Otto.Run(retResponse) + + return res } func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) { @@ -56,6 +57,7 @@ func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) { return self.err(call, -32603, err.Error(), req.Id) } respif, err = self.client.Recv() + if err != nil { return self.err(call, -32603, err.Error(), req.Id) } |