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Extract common state functionality into traits
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| // Copyright 2019 MaidSafe.net limited. | ||
| // | ||
| // This SAFE Network Software is licensed to you under The General Public License (GPL), version 3. | ||
| // Unless required by applicable law or agreed to in writing, the SAFE Network Software distributed | ||
| // under the GPL Licence is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. Please review the Licences for the specific language governing | ||
| // permissions and limitations relating to use of the SAFE Network Software. | ||
|
|
||
| use super::Relocated; | ||
| use crate::{ | ||
| error::RoutingError, | ||
| id::PublicId, | ||
| messages::{DirectMessage, RoutingMessage}, | ||
| outbox::EventBox, | ||
| peer_manager::{Peer, PeerState}, | ||
| routing_table::Prefix, | ||
| state_machine::Transition, | ||
| xor_name::XorName, | ||
| }; | ||
|
|
||
| pub trait RelocatedNotEstablished: Relocated { | ||
| fn our_prefix(&self) -> &Prefix<XorName>; | ||
| fn push_message_to_backlog(&mut self, msg: RoutingMessage); | ||
|
|
||
| fn check_direct_message_sender( | ||
| &self, | ||
| msg: &DirectMessage, | ||
| pub_id: &PublicId, | ||
| ) -> Result<(), RoutingError> { | ||
| match self.peer_mgr().get_peer(pub_id).map(Peer::state) { | ||
| Some(&PeerState::Connected) | Some(&PeerState::Proxy) => Ok(()), | ||
| _ => { | ||
| debug!( | ||
| "{} Illegitimate direct message {:?} from {:?}.", | ||
| self, msg, pub_id | ||
| ); | ||
| Err(RoutingError::InvalidStateForOperation) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn handle_routing_message( | ||
| &mut self, | ||
| msg: RoutingMessage, | ||
| outbox: &mut EventBox, | ||
| ) -> Result<(), RoutingError> { | ||
| use crate::{messages::MessageContent::*, routing_table::Authority::*}; | ||
|
|
||
| let src_name = msg.src.name(); | ||
|
|
||
| match msg { | ||
| RoutingMessage { | ||
| content: | ||
| ConnectionInfoRequest { | ||
| encrypted_conn_info, | ||
| pub_id, | ||
| msg_id, | ||
| }, | ||
| src: ManagedNode(_), | ||
| dst: ManagedNode(_), | ||
| } => { | ||
| if self.our_prefix().matches(&src_name) { | ||
| self.handle_connection_info_request( | ||
| encrypted_conn_info, | ||
| pub_id, | ||
| msg_id, | ||
| msg.src, | ||
| msg.dst, | ||
| outbox, | ||
| ) | ||
| } else { | ||
| self.add_message_to_backlog(RoutingMessage { | ||
| content: ConnectionInfoRequest { | ||
| encrypted_conn_info, | ||
| pub_id, | ||
| msg_id, | ||
| }, | ||
| ..msg | ||
| }); | ||
| Ok(()) | ||
| } | ||
| } | ||
| RoutingMessage { | ||
| content: | ||
| ConnectionInfoResponse { | ||
| encrypted_conn_info, | ||
| pub_id, | ||
| msg_id, | ||
| }, | ||
| src: ManagedNode(src_name), | ||
| dst: Client { .. }, | ||
| } => self.handle_connection_info_response( | ||
| encrypted_conn_info, | ||
| pub_id, | ||
| msg_id, | ||
| src_name, | ||
| msg.dst, | ||
| ), | ||
| RoutingMessage { | ||
| content: Ack(ack, _), | ||
| .. | ||
| } => { | ||
| self.handle_ack_response(ack); | ||
| Ok(()) | ||
| } | ||
| _ => { | ||
| self.add_message_to_backlog(msg); | ||
| Ok(()) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Backlog the message to be processed once we are established. | ||
| fn add_message_to_backlog(&mut self, msg: RoutingMessage) { | ||
| trace!( | ||
| "{} Not established yet. Delaying message handling: {:?}", | ||
| self, | ||
| msg | ||
| ); | ||
| self.push_message_to_backlog(msg); | ||
| } | ||
|
|
||
| fn handle_connect_failure(&mut self, pub_id: PublicId) -> Transition { | ||
| self.log_connect_failure(&pub_id); | ||
| let _ = self.dropped_peer(&pub_id); | ||
| Transition::Stay | ||
| } | ||
|
|
||
| fn dropped_peer(&mut self, pub_id: &PublicId) -> bool { | ||
| let was_proxy = self.peer_mgr().is_proxy(pub_id); | ||
| let _ = self.peer_mgr_mut().remove_peer(pub_id); | ||
| let _ = self.remove_from_notified_nodes(pub_id); | ||
|
|
||
| if was_proxy { | ||
| debug!("{} Lost connection to proxy {}.", self, pub_id); | ||
| false | ||
| } else { | ||
| true | ||
| } | ||
| } | ||
| } |
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