mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-27 13:57:58 +00:00
Bastian Köcher
61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2017-2022 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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//! RPC Metadata
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use std::sync::Arc;
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use futures::channel::mpsc;
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use jsonrpc_pubsub::{PubSubMetadata, Session};
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/// RPC Metadata.
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///
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/// Manages persistent session for transports that support it
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/// and may contain some additional info extracted from specific transports
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/// (like remote client IP address, request headers, etc)
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#[derive(Default, Clone)]
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pub struct Metadata {
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session: Option<Arc<Session>>,
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}
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impl jsonrpc_core::Metadata for Metadata {}
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impl PubSubMetadata for Metadata {
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fn session(&self) -> Option<Arc<Session>> {
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self.session.clone()
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}
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}
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impl Metadata {
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/// Create new `Metadata` with session (Pub/Sub) support.
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pub fn new(transport: mpsc::UnboundedSender<String>) -> Self {
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Metadata { session: Some(Arc::new(Session::new(transport))) }
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}
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/// Create new `Metadata` for tests.
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#[cfg(test)]
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pub fn new_test() -> (mpsc::UnboundedReceiver<String>, Self) {
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let (tx, rx) = mpsc::unbounded();
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(rx, Self::new(tx))
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}
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}
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impl From<mpsc::UnboundedSender<String>> for Metadata {
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fn from(sender: mpsc::UnboundedSender<String>) -> Self {
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Self::new(sender)
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}
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}
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