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chatty-catties
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passes 6b, unreliably gossips writes

This commit is contained in:
Joe Ardent 2024-06-09 13:16:44 -07:00
parent ac5477d1d0
commit 67a84aa3b6
1 changed files with 28 additions and 4 deletions
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32
gg-txn/src/main.rs
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@ -41,8 +41,9 @@ struct TANode {
}
impl TANode {
fn transact(&mut self, txn: &Txn) -> Txn {
fn transact(&mut self, txn: &Txn) -> (Txn, Txn) {
let mut out = Txn::with_capacity(txn.len());
let mut yo = Txn::new();
for txn_op in txn.iter() {
let op = txn_op.op.as_str();
match op {
@ -57,6 +58,7 @@ impl TANode {
}
"w" => {
self.store.insert(txn_op.key, txn_op.value.unwrap());
yo.push(txn_op.clone());
out.push(txn_op.clone());
}
_ => {
@ -65,7 +67,13 @@ impl TANode {
}
}
out
(out, yo)
}
fn handle_yo(&mut self, txn: &Txn) {
for op in txn.iter() {
self.store.insert(op.key, op.value.unwrap());
}
}
}
@ -77,12 +85,17 @@ impl Node for TANode {
"txn" => {
let txn = get_txn(&msg);
let txn = self.transact(&txn);
let (txn, yo) = self.transact(&txn);
gossip(runner, &yo);
let payload = mk_payload(&[("txn", txn.serialize())]);
let body = Body::from_type("txn_ok").with_payload(payload);
runner.reply(&msg, body);
}
"yo" => {
let txn = get_txn(&msg);
self.handle_yo(&txn);
}
_ => {
eprintln!("unknown message type {typ}")
}
@ -90,6 +103,17 @@ impl Node for TANode {
}
}
fn gossip(runner: &Runner, goss: &Txn) {
let payload = mk_payload(&[("txn", goss.serialize())]);
let body = Body::from_type("yo").with_payload(payload);
let slf = runner.node_id();
let nodes = runner.nodes().iter().filter(|e| e.as_str() != slf);
for node in nodes {
runner.send(node, body.clone());
}
}
fn get_txn(msg: &Message) -> Txn {
msg.body
.payload