59 lines
1.8 KiB
Rust
59 lines
1.8 KiB
Rust
use std::sync::*;
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use error::*;
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use network::{NetworkProtocolHandler, NetworkConfiguration};
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use network::error::{NetworkError};
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use network::host::{Host, NetworkIoMessage, ProtocolId};
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use network::stats::{NetworkStats};
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use io::*;
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/// IO Service with networking
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/// `Message` defines a notification data type.
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pub struct NetworkService<Message> where Message: Send + Sync + Clone + 'static {
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io_service: IoService<NetworkIoMessage<Message>>,
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host_info: String,
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stats: Arc<NetworkStats>
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}
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impl<Message> NetworkService<Message> where Message: Send + Sync + Clone + 'static {
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/// Starts IO event loop
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pub fn start(config: NetworkConfiguration) -> Result<NetworkService<Message>, UtilError> {
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let mut io_service = try!(IoService::<NetworkIoMessage<Message>>::start());
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let host = Arc::new(Host::new(config));
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let stats = host.stats().clone();
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let host_info = host.client_version();
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info!("Host ID={:?}", host.client_id());
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try!(io_service.register_handler(host));
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Ok(NetworkService {
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io_service: io_service,
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host_info: host_info,
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stats: stats,
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})
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}
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/// Regiter a new protocol handler with the event loop.
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pub fn register_protocol(&mut self, handler: Arc<NetworkProtocolHandler<Message>+Send + Sync>, protocol: ProtocolId, versions: &[u8]) -> Result<(), NetworkError> {
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try!(self.io_service.send_message(NetworkIoMessage::AddHandler {
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handler: handler,
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protocol: protocol,
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versions: versions.to_vec(),
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}));
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Ok(())
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}
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/// Returns host identifier string as advertised to other peers
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pub fn host_info(&self) -> String {
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self.host_info.clone()
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}
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/// Returns underlying io service.
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pub fn io(&mut self) -> &mut IoService<NetworkIoMessage<Message>> {
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&mut self.io_service
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}
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/// Returns underlying io service.
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pub fn stats(&self) -> &NetworkStats {
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&self.stats
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}
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}
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