c2e9275a9e
when a session is closed, use the packet manager to create a pseudo packet,
set the session to be closed as packet Exdata, and schedule it to the packet forwarding stage.
when the pseudo packet free, the session will be free.
55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
#pragma once
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "tuple.h"
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#include "stellar/session.h"
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#include "session_manager_cfg.h"
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struct session_filter
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{
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uint64_t cursor;
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uint64_t count;
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uint64_t limit;
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enum session_type type;
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enum session_state state;
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uint32_t src_family; // AF_INET or AF_INET6
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uint32_t dst_family; // AF_INET or AF_INET6
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union ip_address src_addr_range[2]; // network byte order
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union ip_address dst_addr_range[2]; // network byte order
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uint16_t src_port; // network byte order
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uint16_t dst_port; // network byte order
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uint64_t sess_created_ts_in_ms;
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uint64_t pkt_received_ts_in_ms;
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};
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struct session_manager_rte;
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struct session_manager_rte *session_manager_rte_new(const struct session_manager_cfg *sess_mgr_cfg, uint64_t now_ms);
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void session_manager_rte_free(struct session_manager_rte *sess_mgr_rte);
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struct session *session_manager_rte_new_session(struct session_manager_rte *sess_mgr_rte, const struct packet *pkt, uint64_t now_ms);
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void session_manager_rte_free_session(struct session_manager_rte *sess_mgr_rte, struct session *sess);
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struct session *session_manager_rte_lookup_session_by_packet(struct session_manager_rte *sess_mgr_rte, const struct packet *pkt);
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struct session *session_manager_rte_lookup_session_by_id(struct session_manager_rte *sess_mgr_rte, uint64_t sess_id);
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int session_manager_rte_update_session(struct session_manager_rte *sess_mgr_rte, struct session *sess, const struct packet *pkt, uint64_t now_ms);
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struct session *session_manager_rte_get_expired_session(struct session_manager_rte *sess_mgr_rte, uint64_t now_ms);
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struct session *session_manager_rte_get_evicted_session(struct session_manager_rte *sess_mgr_rte);
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uint64_t session_manager_rte_scan_session(struct session_manager_rte *sess_mgr_rte, const struct session_filter *filter, uint64_t mached_sess_id[], uint64_t array_size);
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void session_manager_rte_record_duplicated_packet(struct session_manager_rte *sess_mgr_rte, const struct packet *pkt);
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struct session_manager_stat *session_manager_rte_get_stat(struct session_manager_rte *sess_mgr_rte);
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#ifdef __cplusplus
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}
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#endif
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