flodgatt/src/response/redis.rs

69 lines
2.2 KiB
Rust

mod connection;
mod manager;
mod msg;
pub(self) use super::{Event, EventErr};
pub(self) use connection::RedisConn;
pub use manager::Error;
pub use manager::Manager;
#[cfg(feature = "bench")]
pub use msg::{RedisMsg, RedisParseOutput};
use connection::RedisConnErr;
use msg::RedisParseErr;
pub(crate) enum RedisCmd {
Subscribe,
Unsubscribe,
}
impl RedisCmd {
fn into_sendable(self, timelines: &[String]) -> (Vec<u8>, Vec<u8>) {
match self {
RedisCmd::Subscribe => {
let primary = {
let mut cmd = format!("*{}\r\n$9\r\nsubscribe\r\n", 1 + timelines.len());
for tl in timelines {
cmd.push_str(&format!("${}\r\n{}\r\n", tl.len(), tl));
}
cmd
};
let secondary = {
let mut cmd = format!("*{}\r\n$4\r\nMSET\r\n", 1 + timelines.len());
for tl in timelines {
cmd.push_str(&format!(
"${}\r\nsubscribed:{}\r\n$1\r\n$1\r\n",
"subscribed:".len() + tl.len(),
tl
));
}
cmd
};
(primary.as_bytes().to_vec(), secondary.as_bytes().to_vec())
}
RedisCmd::Unsubscribe => {
let primary = {
let mut cmd = format!("*{}\r\n$11\r\nunsubscribe\r\n", 1 + timelines.len());
for tl in timelines {
cmd.push_str(&format!("${}\r\n{}\r\n", tl.len(), tl));
}
cmd
};
let secondary = {
let mut cmd = format!("*{}\r\n$4\r\nMSET\r\n", 1 + timelines.len());
for tl in timelines {
cmd.push_str(&format!(
"${}\r\nsubscribed:{}\r\n$1\r\n$0\r\n",
"subscribed:".len() + tl.len(),
tl
));
}
cmd
};
(primary.as_bytes().to_vec(), secondary.as_bytes().to_vec())
}
}
}
}