/*
GetTopicDetails is a Client RPC method allowing clients to discover details about a topic.
*/
func (handler *RPCHandler) GetTopicDetails(args *rapi.GetTopicDetailsArgs, results *rapi.GetTopicDetailsResults) error {
node := handler.server.GetNode(args.Topic)
if node != nil {
return node.GetTopicDetails(args, results)
} else {
results.Result = rapi.Get_RI_TOPIC_NOT_FOUND(handler.server.address, args.Topic)
return nil
}
}
func (node *Node) GetTopicDetails(args *rapi.GetTopicDetailsArgs, results *rapi.GetTopicDetailsResults) error {
state := node.getState()
var err error
if state == SHUTDOWN_NODE {
results.Result = rapi.Get_RI_NODE_IN_SHUTDOWN(node.name)
return nil
}
results.FirstIndex, err = node.log.FirstIndex()
if err != nil {
results.Result = rapi.Get_RI_INTERNAL_ERROR(node.name, err.Error())
return nil
}
results.LastIndex, err = node.log.LastIndex()
if err != nil {
results.Result = rapi.Get_RI_INTERNAL_ERROR(node.name, err.Error())
return nil
}
results.CommitIndex = node.log.GetCurrentCommit()
results.Result = rapi.Get_RI_SUCCESS()
return nil
}