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path: root/src/pkg/rpc/jsonrpc/server.go
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Diffstat (limited to 'src/pkg/rpc/jsonrpc/server.go')
-rw-r--r--src/pkg/rpc/jsonrpc/server.go14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/pkg/rpc/jsonrpc/server.go b/src/pkg/rpc/jsonrpc/server.go
index 9f3472a39..bf53bda8d 100644
--- a/src/pkg/rpc/jsonrpc/server.go
+++ b/src/pkg/rpc/jsonrpc/server.go
@@ -61,7 +61,7 @@ func (r *serverRequest) reset() {
type serverResponse struct {
Id *json.RawMessage "id"
Result interface{} "result"
- Error string "error"
+ Error interface{} "error"
}
func (c *serverCodec) ReadRequestHeader(r *rpc.Request) os.Error {
@@ -94,6 +94,8 @@ func (c *serverCodec) ReadRequestBody(x interface{}) os.Error {
return json.Unmarshal(*c.req.Params, &params)
}
+var null = json.RawMessage([]byte("null"))
+
func (c *serverCodec) WriteResponse(r *rpc.Response, x interface{}) os.Error {
var resp serverResponse
c.mutex.Lock()
@@ -105,9 +107,17 @@ func (c *serverCodec) WriteResponse(r *rpc.Response, x interface{}) os.Error {
c.pending[r.Seq] = nil, false
c.mutex.Unlock()
+ if b == nil {
+ // Invalid request so no id. Use JSON null.
+ b = &null
+ }
resp.Id = b
resp.Result = x
- resp.Error = r.Error
+ if r.Error == "" {
+ resp.Error = nil
+ } else {
+ resp.Error = r.Error
+ }
return c.enc.Encode(resp)
}