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Update lox distributor to use most recent rdsys_backend 

The structure of the ResourceDiff has been changed, so the lox
distributor has to modify how it parses the diff.
This commit is contained in:
Cecylia Bocovich 2023-06-29 10:17:11 -04:00
parent aa785419d8
commit 7a24fdfa06
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GPG Key ID: 009DE379FD9B7B90
4 changed files with 77 additions and 58 deletions
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2
Cargo.lock generated
View File

@ -1397,7 +1397,7 @@ dependencies = [
[[package]]
name = "rdsys_backend"
version = "0.1.0"
version = "0.2.0"
dependencies = [
"bytes",
"chrono",

2
crates/lox-distributor/Cargo.toml
View File

@ -26,7 +26,7 @@ zkp = "0.8.0"
lox-library = { path = "../lox-library", version = "0.1.0"}
lox_utils = { path = "../lox-utils", version = "0.1.0"}
rdsys_backend = { path = "../rdsys-backend-api", version = "0.1.0"}
rdsys_backend = { path = "../rdsys-backend-api", version = "0.2"}
[dependencies.chrono]
version = "0.4.19"

30
crates/lox-distributor/src/main.rs
View File

@ -129,7 +129,8 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
let mut bucket = [BridgeLine::default(); MAX_BRIDGES_PER_BUCKET];
for pt in new_resources {
println!("A NEW RESOURCE: {:?}", pt);
for resource in pt.1 {
if let Some(resources) = pt.1 {
for resource in resources {
let bridgeline = parse_resource(resource);
println!("Now it's a bridgeline: {:?}", bridgeline);
if context.unreplaced_bridges.lock().unwrap().len() > 0 {
@ -141,9 +142,15 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
bridgeline
);
} else if res == lox_library::ReplaceSuccess::Replaced {
println!("BridgeLine successfully replaced: {:?}", bridgeline);
println!(
"BridgeLine successfully replaced: {:?}",
bridgeline
);
} else {
assert!(res == lox_library::ReplaceSuccess::NotReplaced, "ReplaceSuccess incorrectly set somehow");
assert!(
res == lox_library::ReplaceSuccess::NotReplaced,
"ReplaceSuccess incorrectly set somehow"
);
// Add the bridge to the list of unreplaced bridges in the Lox context and try
// again to replace at the next update (nothing changes in the Lox Authority)
println!("'Gone' BridgeLine NOT replaced, saved for next update! : {:?}", bridgeline);
@ -161,6 +168,7 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
}
}
}
}
// Handle the extra buckets that were not allocated already
if count != 0 {
for val in 0..count {
@ -178,7 +186,8 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
if let Some(changed_resources) = resourcediff.changed {
for pt in changed_resources {
println!("A NEW CHANGED RESOURCE: {:?}", pt);
for resource in pt.1 {
if let Some(resources) = pt.1 {
for resource in resources {
let bridgeline = parse_resource(resource);
println!("BridgeLine to be changed: {:?}", bridgeline);
let res = context.update_bridge(bridgeline);
@ -196,6 +205,7 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
}
}
}
}
// gone resources are not the same as blocked resources.
// Instead, these are bridges which have either failed to pass tests for some period
// or have expired bridge descriptors. In both cases, the bridge is unusable, but this
@ -205,19 +215,24 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
if let Some(gone_resources) = resourcediff.gone {
for pt in gone_resources {
println!("A NEW GONE RESOURCE: {:?}", pt);
for resource in pt.1 {
if let Some(resources) = pt.1 {
for resource in resources {
// If resource last passed tests 3 hours ago, it should be replaced with a working
// resource and be removed from the bridgetable. If it has been gone for more than 7 hours,
// we should stop trying to remove it from the bridge table and assume it has successfully been
// removed already
if resource.last_passed < (Utc::now() - chrono::Duration::hours(3))
|| resource.last_passed > (Utc::now() - chrono::Duration::hours(7))
|| resource.last_passed
> (Utc::now() - chrono::Duration::hours(7))
{
let bridgeline = parse_resource(resource);
println!("BridgeLine to be replaced: {:?}", bridgeline);
let res = context.replace_with_new(bridgeline);
if res == lox_library::ReplaceSuccess::Replaced {
println!("BridgeLine successfully replaced: {:?}", bridgeline);
println!(
"BridgeLine successfully replaced: {:?}",
bridgeline
);
} else if res == lox_library::ReplaceSuccess::NotReplaced {
// Add the bridge to the list of unreplaced bridges in the Lox context and try
// again to replace at the next update (nothing changes in the Lox Authority)
@ -231,6 +246,7 @@ async fn context_manager(mut context_rx: mpsc::Receiver<Command>) {
}
}
}
}
/* Functionality for marking bridges as unreachable/blocked is currently not enabled as there is not
yet a reliable way to determine that a bridge is blocked. This means that migrations to unblocked bridges do not
currently work but can be easily enabled with a list of `blocked resources` from rdsys or another source with something

5
crates/lox-distributor/src/request_handler.rs
View File

@ -252,7 +252,10 @@ mod tests {
self.context.advance_days_test(days)
}
fn simulate_blocking(&mut self, cred: lox_library::cred::Lox) -> (lox_library::cred::Lox, u32, [u8; 16]) {
fn simulate_blocking(
&mut self,
cred: lox_library::cred::Lox,
) -> (lox_library::cred::Lox, u32, [u8; 16]) {
let (id, key) = bridge_table::from_scalar(cred.bucket).unwrap();
let mut bdb = self.context.db.lock().unwrap();
let mut lox_auth = self.context.ba.lock().unwrap();