Modify the stat of session manager

src/session/session_manager.h

@@ -51,33 +51,52 @@ struct session_manager_options
     uint32_t tcp_reassembly_max_segments; // range: [2, 32]
 };
 
-struct session_stat
-{
-    uint64_t nr_sess_used;
-    uint64_t nr_sess_init;
-    uint64_t nr_sess_opening;
-    uint64_t nr_sess_active;
-    uint64_t nr_sess_closing;
-    uint64_t nr_sess_discard;
-    uint64_t nr_sess_closed;
-
-    uint64_t nr_new_sess_evicted;
-    uint64_t nr_old_sess_evicted;
-};
-
-struct packet_stat
-{
-    uint64_t nr_pkts;
-    uint64_t nr_bytes;
-};
-
 struct session_manager_stat
 {
-    struct packet_stat dup_pkt;
-    struct packet_stat evc_pkt;
+    /******************************************************
+     * state count
+     ******************************************************/
 
-    struct session_stat tcp_sess;
-    struct session_stat udp_sess;
+    // TCP session
+    uint64_t nr_tcp_sess_used;
+    uint64_t nr_tcp_sess_opening;
+    uint64_t nr_tcp_sess_active;
+    uint64_t nr_tcp_sess_closing;
+    uint64_t nr_tcp_sess_discard;
+    uint64_t nr_tcp_sess_closed;
+
+    // UDP session
+    uint64_t nr_udp_sess_used;
+    uint64_t nr_udp_sess_opening;
+    uint64_t nr_udp_sess_active;
+    uint64_t nr_udp_sess_closing;
+    uint64_t nr_udp_sess_discard;
+    uint64_t nr_udp_sess_closed;
+
+    /******************************************************
+     * sum count
+     ******************************************************/
+
+    // Evicted session
+    uint64_t nr_tcp_sess_evicted;
+    uint64_t nr_udp_sess_evicted;
+
+    // Packet
+    uint64_t nr_udp_pkts_bypass_no_space;
+    uint64_t nr_tcp_pkts_bypass_no_space;
+    uint64_t nr_tcp_pkts_bypass_miss_sess;
+    uint64_t nr_tcp_pkts_bypass_hit_dup;
+    uint64_t nr_udp_pkts_bypass_hit_evc;
+
+    // TCP segments
+    uint64_t nr_tcp_seg_received;
+    uint64_t nr_tcp_seg_expired;
+    uint64_t nr_tcp_seg_overlap;
+    uint64_t nr_tcp_seg_no_space;
+    uint64_t nr_tcp_seg_inorder;
+    uint64_t nr_tcp_seg_reorded;
+    uint64_t nr_tcp_seg_buffered;
+    uint64_t nr_tcp_seg_released;
 };
 
 struct session_manager;