pageserver stub

This commit is contained in:
Stas Kelvich
2021-03-16 11:41:40 +03:00
parent 05a7ea0a22
commit c856a2f2d2
3 changed files with 822 additions and 0 deletions

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dependencies = [
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"quote",
"syn",
]
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"async-trait",
"byteorder",
"bytes",
"fallible-iterator",
"futures",
"log",
"parking_lot",
"percent-encoding",
"phf",
"pin-project",
"postgres-protocol",
"postgres-types",
"socket2",
"tokio",
"tokio-util",
]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"pin-project-lite",
"tokio",
]
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dependencies = [
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"futures-sink",
"log",
"pin-project-lite",
"tokio",
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "winapi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
dependencies = [
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name = "winapi-i686-pc-windows-gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "winapi-x86_64-pc-windows-gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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13
Cargo.toml Normal file
View File

@@ -0,0 +1,13 @@
[package]
name = "pageserver"
version = "0.1.0"
authors = ["Stas Kelvich <stas@zenith.tech>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
tokio = { version = "1.3.0", features = ["full"] }
tokio-stream = { version = "0.1.4" }
tokio-postgres = { git = "https://github.com/kelvich/rust-postgres", branch = "replication_rebase" }
postgres-protocol = { git = "https://github.com/kelvich/rust-postgres", branch = "replication_rebase" }

35
src/main.rs Normal file
View File

@@ -0,0 +1,35 @@
use postgres_protocol::message::backend::ReplicationMessage;
use tokio_stream::StreamExt;
use tokio_postgres::{connect_replication, Error, NoTls, ReplicationMode};
#[tokio::main] // By default, tokio_postgres uses the tokio crate as its runtime.
async fn main() -> Result<(), Error> {
let conninfo = "host=localhost port=65432 user=stas dbname=postgres";
// form replication connection
let (mut rclient, rconnection) =
connect_replication(conninfo, NoTls, ReplicationMode::Physical).await?;
tokio::spawn(async move {
if let Err(e) = rconnection.await {
eprintln!("connection error: {}", e);
}
});
let identify_system = rclient.identify_system().await?;
let mut physical_stream = rclient
.start_physical_replication(None, identify_system.xlogpos(), None)
.await?;
while let Some(replication_message) = physical_stream.next().await {
match replication_message? {
ReplicationMessage::XLogData(xlog_data) => {
// eprintln!("received XLogData: {:#?}", xlog_data);
eprintln!("received XLogData:");
}
ReplicationMessage::PrimaryKeepAlive(keepalive) => {
// eprintln!("received PrimaryKeepAlive: {:#?}", keepalive);
eprintln!("received PrimaryKeepAlive:");
}
_ => (),
}
}
Ok(())
}