65 lines
1.8 KiB
Rust
65 lines
1.8 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Net rpc implementation.
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use jsonrpc_core::Result;
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use std::sync::Arc;
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use sync::SyncProvider;
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use v1::traits::Net;
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/// Net rpc implementation.
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pub struct NetClient<S: ?Sized> {
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sync: Arc<S>,
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/// Cached `network_id`.
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///
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/// We cache it to avoid redundant aquire of sync read lock.
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/// https://github.com/openethereum/openethereum/issues/8746
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network_id: u64,
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}
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impl<S: ?Sized> NetClient<S>
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where
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S: SyncProvider,
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{
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/// Creates new NetClient.
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pub fn new(sync: &Arc<S>) -> Self {
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NetClient {
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sync: sync.clone(),
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network_id: sync.status().network_id,
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}
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}
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}
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impl<S: ?Sized> Net for NetClient<S>
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where
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S: SyncProvider + 'static,
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{
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fn version(&self) -> Result<String> {
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Ok(format!("{}", self.network_id))
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}
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fn peer_count(&self) -> Result<String> {
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Ok(format!("{:#x}", self.sync.status().num_peers as u64))
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}
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fn is_listening(&self) -> Result<bool> {
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// right now (11 march 2016), we are always listening for incoming connections
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//
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// (this may not be true now -- 26 september 2016)
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Ok(true)
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}
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}
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