Fix metrics

network/client.go

@@ -236,6 +236,8 @@ func (c *Client) Reconnect() error {
 
 	if c.conn != nil {
 		c.Close()
+	} else {
+		metrics.ServerConnections.Dec()
 	}
 	c.connected.Store(false)
 

network/network_helpers_test.go

@@ -122,7 +122,7 @@ func CollectAndComparePrometheusMetrics(t *testing.T) {
 			gatewayd_proxy_passthrough_terminations_total 0
 			gatewayd_proxy_passthroughs_to_client_total 1
 			gatewayd_proxy_passthroughs_to_server_total 1
-			gatewayd_server_connections 5
+			gatewayd_server_connections 4
 			gatewayd_traffic_bytes_sum 182
 			gatewayd_traffic_bytes_count 4
 			gatewayd_server_ticks_fired_total 1

network/server_test.go

@@ -16,6 +16,7 @@ import (
 	"github.com/gatewayd-io/gatewayd/logging"
 	"github.com/gatewayd-io/gatewayd/plugin"
 	"github.com/gatewayd-io/gatewayd/pool"
+	"github.com/prometheus/client_golang/prometheus"
 	"github.com/rs/zerolog"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc"
@@ -25,6 +26,9 @@ import (
 func TestRunServer(t *testing.T) {
 	errs := make(chan error)
 
+	// Reset prometheus metrics.
+	prometheus.DefaultRegisterer = prometheus.NewRegistry()
+
 	logger := logging.NewLogger(context.Background(), logging.LoggerConfig{
 		Output: []config.LogOutput{
 			config.File,