Adding fields into access log protocol (#91)

diff --git a/ebpf/accesslog.proto b/ebpf/accesslog.proto
index ef560a3..d64140a 100644
--- a/ebpf/accesslog.proto
+++ b/ebpf/accesslog.proto
@@ -51,6 +51,8 @@
     repeated EBPFAccessLogNodeNetInterface netInterfaces = 2;
     // System boot time
     Instant bootTime = 3;
+    // Cluster name
+    string clusterName = 4;
 }
 
 message EBPFAccessLogNodeNetInterface {
@@ -69,6 +71,8 @@
     DetectPoint role = 3;
     // is the connection using TLS or not
     AccessLogConnectionTLSMode tlsMode = 4;
+    // application protocol type
+    AccessLogProtocolType protocol = 5;
 }
 
 message ConnectionAddress {
@@ -327,6 +331,11 @@
     RecvMmsg = 5;
 }
 
+enum AccessLogProtocolType {
+    TCP = 0;
+    HTTP = 1;
+}
+
 message EBPFTimestamp {
     oneof timestamp {
         EBPFOffsetTimestamp offset = 1;