perf: 删除无效代码；修改变量命名；减少内存分配

1 files changed, 18 insertions, 13 deletions

diff --git a/platform/include/sce.h b/platform/include/sce.h
index 0eba8c1..7d5bf9b 100644
--- a/platform/include/sce.h
+++ b/platform/include/sce.h
@@ -49,11 +49,11 @@ struct metadata
     uint64_t session_id;
     uint32_t rehash_index;
 
-    char *raw_data;
+    char *raw_data; // refer to current packet data
     int raw_len;
     uint16_t l7offset;
 
-    int is_e2i_dir;
+    int direction; // 1: E2I; 0: I2E
     int is_ctrl_pkt;
     int is_decrypted;
 
@@ -61,11 +61,10 @@ struct metadata
     struct route_ctx route_ctx;
 };
 
-struct metadata *metadata_new();
-int metadata_is_empty(struct metadata *meta);
-void metadata_shallow_copy(struct metadata *dst, struct metadata *src);
-void metadata_deep_copy(struct metadata *dst, struct metadata *src);
-void metadata_free(struct metadata *meta);
+int metadata_isempty(struct metadata *meta);
+void metadata_copy(struct metadata *dst, struct metadata *src);
+
+char *memdup(const char *src, int len);
 
 /******************************************************************************
  * Struct Session Ctx
@@ -75,18 +74,24 @@ struct session_ctx
 {
     uint64_t session_id;
     char *session_addr;
+
+    // dup from received control packet, for sending control packet
+    char *ctrl_packet_header_data;
+    uint16_t ctrl_packet_header_len;
+
     uint16_t vxlan_src_port;
 
     struct four_tuple inner_tuple4;
     struct mutable_array rule_ids;
 
-    struct metadata *decrypted_meta_i2e;
-    struct metadata *decrypted_meta_e2i;
-    struct metadata *raw_meta_i2e;
-    struct metadata *raw_meta_e2i;
-    struct metadata *ctrl_meta;
+    struct metadata decrypted_meta_i2e;
+    struct metadata decrypted_meta_e2i;
+    struct metadata raw_meta_i2e;
+    struct metadata raw_meta_e2i;
+    struct metadata ctrl_meta;
 
-    struct selected_chainings chainings;
+    struct selected_chaining *chaining_raw;
+    struct selected_chaining *chaining_decrypted;
 
     struct thread_ctx *ref_thread_ctx;
 };