session manager support output fieldstat

infra/session_manager/session_manager_cfg.h

@@ -0,0 +1,72 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stdint.h>
+
+struct session_manager_cfg
+{
+    uint64_t instance_id;
+    uint64_t thread_num;
+    uint64_t session_id_seed;
+
+    uint64_t tcp_session_max;
+    uint64_t udp_session_max;
+
+    uint64_t evict_old_on_tcp_table_limit; // range: [0, 1]
+    uint64_t evict_old_on_udp_table_limit; // range: [0, 1]
+
+    uint64_t expire_period_ms; // range: [0, 60000] (ms)
+    uint64_t expire_batch_max; // range: [1, 1024]
+
+    struct
+    {
+        uint64_t init;            // range: [1, 60000] (ms)
+        uint64_t handshake;       // range: [1, 60000] (ms)
+        uint64_t data;            // range: [1, 15999999000] (ms)
+        uint64_t half_closed;     // range: [1, 604800000] (ms)
+        uint64_t time_wait;       // range: [1, 600000] (ms)
+        uint64_t discard_default; // range: [1, 15999999000] (ms)
+        uint64_t unverified_rst;  // range: [1, 600000] (ms)
+    } tcp_timeout_ms;
+
+    struct
+    {
+        uint64_t data;            // range: [1, 15999999000] (ms)
+        uint64_t discard_default; // range: [1, 15999999000] (ms)
+    } udp_timeout_ms;
+
+    struct
+    {
+        uint64_t enable;          // range: [0, 1]
+        uint64_t capacity;       // range: [1, 4294967295]
+        uint64_t time_window_ms; // range: [1, 60000] (ms)
+        double error_rate;       // range: [0.0, 1.0]
+    } duplicated_packet_bloom_filter;
+
+    struct
+    {
+        uint64_t enable;          // range: [0, 1]
+        uint64_t capacity;       // range: [1, 4294967295]
+        uint64_t time_window_ms; // range: [1, 60000] (ms)
+        double error_rate;       // range: [0.0, 1.0]
+    } evicted_session_bloom_filter;
+
+    struct
+    {
+        uint64_t enable;                 // range: [0, 1]
+        uint64_t timeout_ms;            // range: [1, 60000] (ms)
+        uint64_t buffered_segments_max; // range: [2, 4096]
+    } tcp_reassembly;
+};
+
+struct session_manager_cfg *session_manager_cfg_new(const char *toml_file);
+void session_manager_cfg_free(struct session_manager_cfg *sess_mgr_cfg);
+void session_manager_cfg_print(struct session_manager_cfg *sess_mgr_cfg);
+
+#ifdef __cplusplus
+}
+#endif