TSG-13347 统一术语使用session替换stream

common/include/session_table.h

@@ -0,0 +1,57 @@
+#ifndef _SESSION_TABLE_H
+#define _SESSION_TABLE_H
+
+#ifdef __cpluscplus
+extern "C"
+{
+#endif
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "uthash.h"
+#include "addr_tuple4.h"
+
+// Note: session_addr must be initialized by memset(0) before use !!!
+
+typedef void fn_free_cb(void *args);
+
+struct session_node
+{
+    uint64_t session_id;             /* first key */
+    struct addr_tuple4 session_addr; /* second key */
+
+    void *val_data;
+    fn_free_cb *val_freecb;
+
+    UT_hash_handle hh1; /* handle for first hash table */
+    UT_hash_handle hh2; /* handle for second hash table */
+};
+
+struct session_table;
+
+struct session_table *session_table_create();
+void session_table_destory(struct session_table *table);
+uint64_t session_table_count(struct session_table *table);
+
+// session_addr : deep copy
+// val_data     : shallow copy (malloc by user, free by val_freecb)
+// return  0 : suceess
+// return -1 : key exists
+int session_table_insert(struct session_table *table, uint64_t session_id, const struct addr_tuple4 *session_addr, void *val_data, const fn_free_cb *val_freecb);
+
+// return  0 : success
+// return -1 : key not exists
+int session_table_delete_by_id(struct session_table *table, uint64_t session_id);
+int session_table_delete_by_addr(struct session_table *table, const struct addr_tuple4 *session_addr);
+
+// return   NULL : key not exists
+// return UnNULL : success
+struct session_node *session_table_search_by_id(struct session_table *table, uint64_t session_id);
+struct session_node *session_table_search_by_addr(struct session_table *table, const struct addr_tuple4 *session_addr);
+
+#ifdef __cpluscplus
+}
+#endif
+
+#endif