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added round_robin, least_conn and ip_hash load balance support, small refactoring

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yusing
2024-10-09 10:39:07 +08:00
parent 1797896fa6
commit 5c40f4aa84
24 changed files with 739 additions and 64 deletions
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43
internal/net/http/loadbalancer/loadbalancer_test.go Normal file
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@@ -0,0 +1,43 @@
package loadbalancer
import (
"testing"
. "github.com/yusing/go-proxy/internal/utils/testing"
)
func TestRebalance(t *testing.T) {
t.Parallel()
t.Run("zero", func(t *testing.T) {
lb := New(Config{})
for range 10 {
lb.AddServer(&Server{})
}
lb.Rebalance()
ExpectEqual(t, lb.sumWeight, maxWeight)
})
t.Run("less", func(t *testing.T) {
lb := New(Config{})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .3)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
lb.Rebalance()
// t.Logf("%s", U.Must(json.MarshalIndent(lb.pool, "", " ")))
ExpectEqual(t, lb.sumWeight, maxWeight)
})
t.Run("more", func(t *testing.T) {
lb := New(Config{})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .3)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .4)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .3)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .2)})
lb.AddServer(&Server{Weight: weightType(float64(maxWeight) * .1)})
lb.Rebalance()
// t.Logf("%s", U.Must(json.MarshalIndent(lb.pool, "", " ")))
ExpectEqual(t, lb.sumWeight, maxWeight)
})
}