func (h *handler) ServeHTTP(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, shared.JsonRpcVersion, -32700, err)
sendJSON(w, &response)
return
}
defer req.Body.Close()
payload, err := ioutil.ReadAll(req.Body)
if err != nil {
err := fmt.Errorf("Could not read request body")
response := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32700, err)
sendJSON(w, &response)
return
}
c := h.codec.New(nil)
var rpcReq shared.Request
if err = c.Decode(payload, &rpcReq); err == nil {
reply, err := h.api.Execute(&rpcReq)
res := shared.NewRpcResponse(rpcReq.Id, rpcReq.Jsonrpc, reply, err)
sendJSON(w, &res)
return
}
var reqBatch []shared.Request
if err = c.Decode(payload, &reqBatch); err == nil {
resBatch := make([]*interface{}, len(reqBatch))
resCount := 0
for i, rpcReq := range reqBatch {
reply, err := h.api.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
}
}
// make response omitting nil entries
sendJSON(w, resBatch[:resCount])
return
}
// invalid request
err = fmt.Errorf("Could not decode request")
res := shared.NewRpcErrorResponse(-1, shared.JsonRpcVersion, -32600, err)
sendJSON(w, res)
}
func handle(id int, conn net.Conn, api shared.ExpanseApi, c codec.Codec) {
codec := c.New(conn)
defer func() {
if r := recover(); r != nil {
glog.Errorf("panic: %v\n", r)
}
codec.Close()
}()
for {
requests, isBatch, err := codec.ReadRequest()
if err == io.EOF {
return
} else if err != nil {
glog.V(logger.Debug).Infof("Closed IPC Conn %06d recv err - %v\n", id, err)
return
}
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
}
}
err = codec.WriteResponse(responses[:responseCount])
if err != nil {
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 {
glog.V(logger.Debug).Infof("Closed IPC Conn %06d send err - %v\n", id, err)
return
}
}
}
}
// askPassword will ask the user to supply the password for a given account
func (self *Jeth) askPassword(id interface{}, jsonrpc string, args []interface{}) bool {
var err error
var passwd string
if len(args) >= 1 {
if account, ok := args[0].(string); ok {
fmt.Printf("Unlock account %s\n", account)
} else {
return false
}
}
passwd, err = utils.PromptPassword("Passphrase: ", true)
if err = self.client.Send(shared.NewRpcResponse(id, jsonrpc, passwd, err)); err != nil {
glog.V(logger.Info).Infof("Unable to send user agent ask password response - %v\n", err)
}
return err == nil
}
func (self *Jeth) confirmTransaction(id interface{}, jsonrpc string, args []interface{}) bool {
// Accept all tx which are send from this console
return self.client.Send(shared.NewRpcResponse(id, jsonrpc, true, nil)) == nil
}
func (self *InProcClient) Recv() (interface{}, error) {
return *shared.NewRpcResponse(self.lastId, self.lastJsonrpc, self.lastRes, self.lastErr), nil
}