118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
#pragma once
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#include <it2s-asn/tpm/TPM.h>
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#include <it2s-asn/tpm/TollingPaymentInfo.h>
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#include <it2s-tender/time.h>
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#include <it2s-tender/queue.h>
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#include <stdbool.h>
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#define TOLLING_INFOS_MAX_LENGTH 16
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#define TOLLING_PAYMENT_MIN_PERIOD_MS 40000
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#define TOLLING_MAX_CONNS 64
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#define TOLLING_CONN_TIMEOUT_MS 10000
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#define TOLLING_RT_PERIOD_MS 400
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#define TOLLING_RT_TIMEOUT_MS 10000
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#define TOLLING_MAX_CLIENTS 256
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#define TOLLING_CLIENT_LIFETIME_MS 300000
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typedef enum TOLLING_PROTOCOL {
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TOLLING_PROTOCOL_SIMPLE,
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TOLLING_PROTOCOL_TLS,
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TOLLING_PROTOCOL_TLS_GN,
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TOLLING_PROTOCOL_TLS_SHS
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} TOLLING_PROTOCOL_e;
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typedef struct tolling_info {
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uint64_t timestamp;
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struct {
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double (*polygon)[2]; /* (latitude, longitude) */
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size_t polygon_len;
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} zone;
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TollingPaymentInfo_t* asn;
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} tolling_info_t;
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/**
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* TLS connections
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*/
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typedef struct tlsc {
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uint8_t ipv6[16];
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uint16_t port;
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uint64_t id;
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uint64_t ts;
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uint8_t state;
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uint16_t nmsg;
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} tlsc_t;
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typedef struct toll_client {
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uint32_t station_id;
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uint64_t id;
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uint64_t ts;
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int8_t accepted;
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} toll_client_t;
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typedef struct tolling {
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bool enabled;
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pthread_mutex_t lock;
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struct {
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TOLLING_PROTOCOL_e p;
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union {
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// Simple
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struct {
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} simple;
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// TLS
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struct {
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tlsc_t* tls_conns[TOLLING_MAX_CONNS];
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uint8_t n_tlsc;
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} tls;
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} c;
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} protocol;
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union {
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// RSU
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struct {
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toll_client_t* clients[TOLLING_MAX_CLIENTS];
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uint16_t clients_len;
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} rsu;
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// OBU
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struct {
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bool active;
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int8_t toll_type;
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uint64_t nonce;
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uint64_t client_id;
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uint64_t tls_conn_id;
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TPM_t* entry_proof;
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// Retransmission
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uint64_t rt_init;
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uint64_t rt_t_trigger;
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bool rt_on;
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} obu;
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} station;
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struct {
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tolling_info_t* z[TOLLING_INFOS_MAX_LENGTH];
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uint8_t length;
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} infos;
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} tolling_t;
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/**
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* Initializes the main tolling struture
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*/
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int tolling_init(uint8_t station_type);
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int tpm_pay(tolling_info_t* info, void** security_socket, uint8_t* neighbour, uint8_t* dst_addr);
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int tpm_recv(TPM_t* tpm_rx, void** security_socket, uint8_t* neighbour, uint8_t* src_addr);
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int tpm_should_retransmit();
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int tpm_is_inside_zone(tolling_info_t* ti);
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tolling_info_t* tolling_info_new(TollingPaymentInfo_t* tpi);
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void tolling_info_free(tolling_info_t* ti);
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tlsc_t* tolling_tlsc_new(uint8_t ipv6[16], uint16_t port);
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tlsc_t* tolling_tlsc_get(uint8_t ipv6[16], uint16_t port);
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void tolling_tlsc_mgmt(itss_queue_t* tx_queue, void** security_socket);
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