include/ascii-chat/discovery/session.h

Go to the documentation of this file.

#pragma once
 
#include <stdint.h>
#include <stdbool.h>
#include "../discovery/strings.h"
 
#if !defined(MAX_PARTICIPANTS)
#define MAX_PARTICIPANTS 16
#endif
 
typedef struct {
  uint8_t participant_id[16];  
  uint8_t identity_pubkey[32]; 
  uint64_t joined_at;          
} participant_t;
 
typedef struct {
  uint8_t participant_id[16]; 
  uint8_t nat_quality_tier;   
  uint16_t upload_kbps;       
  uint32_t rtt_to_acds_ns;    
  uint8_t connection_type;    
} host_lost_candidate_t;
 
typedef struct session_entry {
  char session_string[SESSION_STRING_BUFFER_SIZE]; 
  uint8_t session_id[16];                          
 
  uint8_t host_pubkey[32];      
  uint8_t capabilities;         
  uint8_t max_participants;     
  uint8_t current_participants; 
 
  char password_hash[128]; 
  bool has_password;       
  bool expose_ip_publicly; 
  uint8_t session_type;    
 
  uint64_t created_at;       
  uint64_t expires_at;       
  uint64_t last_activity_at; 
 
  // Server connection information (where clients should connect)
  char server_address[64]; 
  uint16_t server_port;    
 
  // Discovery mode host negotiation fields
  uint8_t initiator_id[16];        
  bool host_established;           
  uint8_t host_participant_id[16]; 
  char host_address[64];           
  uint16_t host_port;              
  uint8_t host_connection_type;    
 
  // Host migration state (when host disconnects)
  bool in_migration;           
  uint64_t migration_start_ns; 
  host_lost_candidate_t *migration_candidates[MAX_PARTICIPANTS]; 
 
  participant_t *participants[MAX_PARTICIPANTS]; 
} session_entry_t;
 
void session_entry_destroy(session_entry_t *entry);