def fromRawObject(obj):
if obj.get("jsonrpc") != "2.0":
raise exception.JsonRpcInvalidRequestError(
"Wrong protocol version",
request=obj
)
method = obj.get("method")
if method is None:
raise exception.JsonRpcInvalidRequestError(
"missing method header in method",
request=obj
)
reqId = obj.get("id")
# when sending notifications id is not provided
params = obj.get('params', [])
if not isinstance(params, (list, dict)):
raise exception.JsonRpcInvalidRequestError(
"wrong params type",
request=obj
)
return JsonRpcRequest(method, protect_passwords(params), reqId)
def fromRawObject(obj):
if obj.get("jsonrpc") != "2.0":
raise exception.JsonRpcInvalidRequestError(
"wrong protocol version", request=obj)
if "result" not in obj and "error" not in obj:
raise exception.JsonRpcInvalidRequestError(
"missing result or error info", request=obj)
result = obj.get("result")
error = None
if "error" in obj:
error = exception.JsonRpcServerError.from_dict(obj["error"])
reqId = obj.get("id")
return JsonRpcResponse(result, error, reqId)
def _parseMessage(self, obj):
client, server_address, context, msg = obj
ctx = _JsonRpcServeRequestContext(client, server_address, context)
try:
rawRequests = json.loads(msg)
except:
ctx.addResponse(
JsonRpcResponse(None, exception.JsonRpcParseError(), None))
ctx.sendReply()
return
if isinstance(rawRequests, list):
# Empty batch request
if len(rawRequests) == 0:
ctx.addResponse(
JsonRpcResponse(
None,
exception.JsonRpcInvalidRequestError(
"request batch is empty", request=rawRequests),
None))
ctx.sendReply()
return
else:
# From this point on we know it's always a list
rawRequests = [rawRequests]
# JSON Parsed handling each request
requests = []
for rawRequest in rawRequests:
try:
req = JsonRpcRequest.fromRawObject(rawRequest)
requests.append(req)
except vdsmexception.VdsmException as err:
ctx.addResponse(JsonRpcResponse(None, err, None))
except:
ctx.addResponse(
JsonRpcResponse(None, exception.JsonRpcInternalError(),
None))
ctx.setRequests(requests)
# No request was built successfully or is only notifications
if ctx.counter == 0:
ctx.sendReply()
for request in requests:
self._runRequest(ctx, request)
