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-rw-r--r--rpc/comms/comms.go18
-rw-r--r--rpc/comms/http.go24
-rw-r--r--rpc/comms/http_net.go14
-rw-r--r--rpc/comms/inproc.go53
-rw-r--r--rpc/comms/ipc.go8
5 files changed, 105 insertions, 12 deletions
diff --git a/rpc/comms/comms.go b/rpc/comms/comms.go
index 2af63e55d..050e7b4e2 100644
--- a/rpc/comms/comms.go
+++ b/rpc/comms/comms.go
@@ -9,16 +9,32 @@ import (
"github.com/ethereum/go-ethereum/rpc/api"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
+ "strings"
)
const (
- jsonrpcver = "2.0"
maxHttpSizeReqLength = 1024 * 1024 // 1MB
)
+var (
+ // List with all API's which are offered over the in proc interface by default
+ DefaultInProcApis = api.AllApis
+
+ // List with all API's which are offered over the IPC interface by default
+ DefaultIpcApis = api.AllApis
+
+ // List with API's which are offered over thr HTTP/RPC interface by default
+ DefaultHttpRpcApis = strings.Join([]string{
+ api.DbApiName, api.EthApiName, api.NetApiName, api.Web3ApiName,
+ }, ",")
+)
+
type EthereumClient interface {
+ // Close underlaying connection
Close()
+ // Send request
Send(interface{}) error
+ // Receive response
Recv() (interface{}, error)
}
diff --git a/rpc/comms/http.go b/rpc/comms/http.go
index 1fea8dc1d..c0ea2cc78 100644
--- a/rpc/comms/http.go
+++ b/rpc/comms/http.go
@@ -63,3 +63,27 @@ func StopHttp() {
httpListener = nil
}
}
+
+
+type httpClient struct {
+ codec codec.ApiCoder
+}
+
+// Create a new in process client
+func NewHttpClient(cfg HttpConfig, codec codec.Codec) *httpClient {
+ return &httpClient{
+ codec: codec.New(nil),
+ }
+}
+
+func (self *httpClient) Close() {
+ // do nothing
+}
+
+func (self *httpClient) Send(req interface{}) error {
+ return nil
+}
+
+func (self *httpClient) Recv() (interface{}, error) {
+ return nil, nil
+} \ No newline at end of file
diff --git a/rpc/comms/http_net.go b/rpc/comms/http_net.go
index 8d1bacc06..f326f1a7e 100644
--- a/rpc/comms/http_net.go
+++ b/rpc/comms/http_net.go
@@ -90,7 +90,7 @@ func newStoppableHandler(h http.Handler, stop chan struct{}) http.Handler {
case <-stop:
w.Header().Set("Content-Type", "application/json")
err := fmt.Errorf("RPC service stopped")
- response := shared.NewRpcResponse(-1, jsonrpcver, nil, err)
+ response := shared.NewRpcResponse(-1, api.JsonRpcVersion, nil, err)
httpSend(w, response)
default:
h.ServeHTTP(w, r)
@@ -110,14 +110,14 @@ func httpSend(writer io.Writer, v interface{}) (n int, err error) {
return writer.Write(payload)
}
-func gethHttpHandler(codec codec.Codec, api api.EthereumApi) http.Handler {
+func gethHttpHandler(codec codec.Codec, a api.EthereumApi) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "application/json")
// Limit request size to resist DoS
if req.ContentLength > maxHttpSizeReqLength {
err := fmt.Errorf("Request too large")
- response := shared.NewRpcErrorResponse(-1, jsonrpcver, -32700, err)
+ response := shared.NewRpcErrorResponse(-1, api.JsonRpcVersion, -32700, err)
httpSend(w, &response)
return
}
@@ -126,7 +126,7 @@ func gethHttpHandler(codec codec.Codec, api api.EthereumApi) http.Handler {
payload, err := ioutil.ReadAll(req.Body)
if err != nil {
err := fmt.Errorf("Could not read request body")
- response := shared.NewRpcErrorResponse(-1, jsonrpcver, -32700, err)
+ response := shared.NewRpcErrorResponse(-1, api.JsonRpcVersion, -32700, err)
httpSend(w, &response)
return
}
@@ -134,7 +134,7 @@ func gethHttpHandler(codec codec.Codec, api api.EthereumApi) http.Handler {
c := codec.New(nil)
var rpcReq shared.Request
if err = c.Decode(payload, &rpcReq); err == nil {
- reply, err := api.Execute(&rpcReq)
+ reply, err := a.Execute(&rpcReq)
res := shared.NewRpcResponse(rpcReq.Id, rpcReq.Jsonrpc, reply, err)
httpSend(w, &res)
return
@@ -146,7 +146,7 @@ func gethHttpHandler(codec codec.Codec, api api.EthereumApi) http.Handler {
resCount := 0
for i, rpcReq := range reqBatch {
- reply, err := api.Execute(&rpcReq)
+ reply, err := a.Execute(&rpcReq)
if rpcReq.Id != nil { // this leaves nil entries in the response batch for later removal
resBatch[i] = shared.NewRpcResponse(rpcReq.Id, rpcReq.Jsonrpc, reply, err)
resCount += 1
@@ -161,7 +161,7 @@ func gethHttpHandler(codec codec.Codec, api api.EthereumApi) http.Handler {
// invalid request
err = fmt.Errorf("Could not decode request")
- res := shared.NewRpcErrorResponse(-1, jsonrpcver, -32600, err)
+ res := shared.NewRpcErrorResponse(-1, api.JsonRpcVersion, -32600, err)
httpSend(w, res)
})
}
diff --git a/rpc/comms/inproc.go b/rpc/comms/inproc.go
new file mode 100644
index 000000000..89cb93cdc
--- /dev/null
+++ b/rpc/comms/inproc.go
@@ -0,0 +1,53 @@
+package comms
+
+import (
+ "github.com/ethereum/go-ethereum/rpc/api"
+ "github.com/ethereum/go-ethereum/rpc/shared"
+ "fmt"
+ "github.com/ethereum/go-ethereum/rpc/codec"
+ "github.com/ethereum/go-ethereum/xeth"
+ "github.com/ethereum/go-ethereum/eth"
+)
+
+type InProcClient struct {
+ api api.EthereumApi
+ codec codec.Codec
+ lastId interface{}
+ lastJsonrpc string
+ lastErr error
+ lastRes interface{}
+}
+
+// Create a new in process client
+func NewInProcClient(codec codec.Codec) *InProcClient {
+ return &InProcClient{
+ codec: codec,
+ }
+}
+
+func (self *InProcClient) Close() {
+ // do nothing
+}
+
+// Need to setup api support
+func (self *InProcClient) Initialize(xeth *xeth.XEth, eth *eth.Ethereum) {
+ if apis, err := api.ParseApiString(api.AllApis, self.codec, xeth, eth); err == nil {
+ self.api = api.Merge(apis...)
+ }
+}
+
+func (self *InProcClient) Send(req interface{}) error {
+ if r, ok := req.(*shared.Request); ok {
+ self.lastId = r.Id
+ self.lastJsonrpc = r.Jsonrpc
+ self.lastRes, self.lastErr = self.api.Execute(r)
+ return self.lastErr
+ }
+
+ return fmt.Errorf("Invalid request (%T)", req)
+}
+
+func (self *InProcClient) Recv() (interface{}, error) {
+ return self.lastRes, self.lastErr
+ //return *shared.NewRpcResponse(self.lastId, self.lastJsonrpc, self.lastRes, self.lastErr), nil
+}
diff --git a/rpc/comms/ipc.go b/rpc/comms/ipc.go
index a75039d17..a07203803 100644
--- a/rpc/comms/ipc.go
+++ b/rpc/comms/ipc.go
@@ -10,19 +10,19 @@ type IpcConfig struct {
}
type ipcClient struct {
- c codec.ApiCoder
+ codec codec.ApiCoder
}
func (self *ipcClient) Close() {
- self.c.Close()
+ self.codec.Close()
}
func (self *ipcClient) Send(req interface{}) error {
- return self.c.WriteResponse(req)
+ return self.codec.WriteResponse(req)
}
func (self *ipcClient) Recv() (interface{}, error) {
- return self.c.ReadResponse()
+ return self.codec.ReadResponse()
}
// Create a new IPC client, UNIX domain socket on posix, named pipe on Windows