changed shortest prefix match to longest prefix match; update dockerfile

Dockerfile

@@ -33,8 +33,7 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry \
 
 # change to scratch and get comment the apk command for prod, i guess
 FROM alpine:latest AS runtime
-# RUN apk add --no-cache ca-certificates curl netcat-openbsd bind-tools strace
+RUN apk add --no-cache ca-certificates curl netcat-openbsd bind-tools strace
 WORKDIR /enginewhy
 COPY --from=builder /enginewhy/target/x86_64-unknown-linux-musl/release/l4lb /usr/bin/l4lb
-COPY config.yaml .
 ENTRYPOINT ["l4lb"]

docker-compose.yml

@@ -1,5 +1,4 @@
 services:
-  # two-arm load balancer  
   load-balancer:
     image: neoslhp/enginewhy-lb
     container_name: load-balancer

src/config/loader.rs

@@ -8,6 +8,7 @@ use crate::backend::*;
 use crate::balancer::Balancer;
 use crate::balancer::adaptive_weight::AdaptiveWeightBalancer;
 use crate::balancer::round_robin::RoundRobinBalancer;
+use crate::balancer::ip_hashing::SourceIPHash;
 use crate::config::*;
 
 pub struct RoutingTable {
@@ -100,6 +101,7 @@ pub fn build_lb(
 
             let balancer: Box<dyn Balancer + Send> = match &rule.strategy {
                 LoadBalancerStrategy::RoundRobin => Box::new(RoundRobinBalancer::new(pool)),
+                LoadBalancerStrategy::SourceIPHash => Box::new(SourceIPHash::new(pool)),
                 LoadBalancerStrategy::Adaptive {
                     coefficients,
                     alpha,
@@ -119,7 +121,7 @@ pub fn build_lb(
     for table in listeners.values_mut() {
         table
             .entries
-            .sort_by(|(a, _), (b, _)| a.network_length().cmp(&b.network_length()));
+            .sort_by(|(a, _), (b, _)| b.network_length().cmp(&a.network_length()));
     }
 
     Ok((listeners, healths))

src/config/mod.rs

@@ -57,5 +57,6 @@ pub struct RuleConfig {
 #[serde(tag = "type")]
 pub enum LoadBalancerStrategy {
     RoundRobin,
+    SourceIPHash,
     Adaptive { coefficients: [f64; 4], alpha: f64 },
 }