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107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
#ifndef LLARP_LINK_H_
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#define LLARP_LINK_H_
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#include <llarp/crypto.h>
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#include <llarp/ev.h>
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#include <llarp/logic.h>
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#include <llarp/mem.h>
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#include <llarp/msg_handler.h>
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#include <llarp/obmd.h>
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* wire layer transport interface
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*/
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struct llarp_link;
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/**
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* wire layer transport session for point to point communication between us and
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* another
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*/
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struct llarp_link_session;
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struct llarp_link_session_listener {
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void *user;
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/** set by try_establish */
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struct llarp_link *link;
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/** set by try_establish */
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struct llarp_ai *ai;
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/** callback to handle result */
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void (*result)(struct llarp_link_session_listener *,
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struct llarp_link_session *);
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};
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/** information for establishing an outbound session */
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struct llarp_link_establish_job {
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struct llarp_ai *ai;
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uint64_t timeout;
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};
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struct llarp_link_session_iter {
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void *user;
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struct llarp_link *link;
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bool (*visit)(struct llarp_link_session_iter *, struct llarp_link_session *);
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};
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struct llarp_link_ev_listener {
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void *user;
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void (*established)(struct llarp_link_ev_listener *, struct llarp_link_session *,
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bool);
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void (*timeout)(struct llarp_link_ev_listener *, struct llarp_link_session *,
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bool);
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void (*tx)(struct llarp_link_ev_listener *, struct llarp_link_session *, size_t);
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void (*rx)(struct llarp_link_ev_listener *, struct llarp_link_session *, size_t);
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void (*error)(struct llarp_link_ev_listener *, struct llarp_link_session *,
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const char *);
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};
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struct llarp_link {
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void *impl;
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const char *(*name)(void);
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void (*get_our_address)(struct llarp_link *, struct llarp_ai *);
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/*
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int (*register_listener)(struct llarp_link *, struct llarp_link_ev_listener);
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void (*deregister_listener)(struct llarp_link *, int);
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*/
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bool (*configure)(struct llarp_link *, struct llarp_ev_loop *, const char *, int, uint16_t);
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bool (*start_link)(struct llarp_link *, struct llarp_logic *);
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bool (*stop_link)(struct llarp_link *);
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void (*iter_sessions)(struct llarp_link *, struct llarp_link_session_iter*);
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void (*try_establish)(struct llarp_link *, struct llarp_link_establish_job,
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struct llarp_link_session_listener);
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/**
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struct llarp_link_session * (*acquire_session_for_addr)(struct llarp_link *, const struct sockaddr *);
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*/
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void (*mark_session_active)(struct llarp_link *, struct llarp_link_session *);
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void (*free_impl)(struct llarp_link *);
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};
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/** checks if all members are initialized */
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bool llarp_link_initialized(struct llarp_link * link);
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struct llarp_link_session {
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struct sockaddr addr;
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void *impl;
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/** send an entire message, splits up into smaller pieces and does encryption
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*/
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bool (*sendto)(struct llarp_link_session *, llarp_buffer_t);
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/** return true if this session is timed out */
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bool (*timeout)(struct llarp_link_session *);
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/** explicit close session */
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void (*close)(struct llarp_link_session *);
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};
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bool llarp_link_session_initialized(struct llarp_link_session * s);
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#ifdef __cplusplus
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}
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#endif
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#endif
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