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contact.h

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    opendht_c.h 5.46 KiB
    #pragma once
    
    #ifdef __cplusplus
    extern "C" {
    #endif
    
    #include "def.h"
    #include <sys/socket.h>
    #include <netinet/in.h>
    #include <stdbool.h>
    #include <stdint.h>
    #include <stddef.h>
    
    // Non-owning data view
    struct OPENDHT_C_PUBLIC dht_data_view {
        const uint8_t* data;
        size_t size;
    };
    typedef struct dht_data_view dht_data_view;
    
    // dht::Value
    struct OPENDHT_C_PUBLIC dht_value;
    typedef struct dht_value dht_value;
    OPENDHT_C_PUBLIC dht_data_view dht_value_get_data(const dht_value* data);
    OPENDHT_C_PUBLIC dht_value* dht_value_new(const uint8_t* data, size_t size);
    OPENDHT_C_PUBLIC dht_value* dht_value_ref(const dht_value*);
    OPENDHT_C_PUBLIC void dht_value_unref(dht_value*);
    
    // dht::Blob
    struct OPENDHT_C_PUBLIC dht_blob;
    typedef struct dht_blob dht_blob;
    OPENDHT_C_PUBLIC dht_data_view dht_blob_get_data(const dht_blob* data);
    OPENDHT_C_PUBLIC void dht_blob_delete(dht_blob* data);
    
    // dht::InfoHash
    struct OPENDHT_C_PUBLIC dht_infohash { uint8_t d[HASH_LEN]; };
    typedef struct dht_infohash dht_infohash;
    OPENDHT_C_PUBLIC void dht_infohash_zero(dht_infohash* h);
    OPENDHT_C_PUBLIC void dht_infohash_random(dht_infohash* h);
    OPENDHT_C_PUBLIC void dht_infohash_get(dht_infohash* h, const uint8_t* dat, size_t dat_size);
    OPENDHT_C_PUBLIC const char* dht_infohash_print(const dht_infohash* h);
    OPENDHT_C_PUBLIC bool dht_infohash_is_zero(const dht_infohash* h);
    
    // dht::PkId
    struct OPENDHT_C_PUBLIC dht_pkid { uint8_t d[32]; };
    typedef struct dht_pkid dht_pkid;
    OPENDHT_C_PUBLIC const char* dht_pkid_print(const dht_pkid* h);
    
    // dht::crypto::PublicKey
    struct OPENDHT_C_PUBLIC dht_publickey;
    typedef struct dht_publickey dht_publickey;
    OPENDHT_C_PUBLIC dht_publickey* dht_publickey_new();
    OPENDHT_C_PUBLIC void dht_publickey_delete(dht_publickey* pk);
    OPENDHT_C_PUBLIC int dht_publickey_unpack(dht_publickey* pk, const uint8_t* dat, size_t dat_size);
    OPENDHT_C_PUBLIC int dht_publickey_pack(dht_publickey* pk, char* out, size_t* out_size);
    OPENDHT_C_PUBLIC dht_infohash dht_publickey_get_id(const dht_publickey* pk);
    OPENDHT_C_PUBLIC dht_pkid dht_publickey_get_long_id(const dht_publickey* pk);
    OPENDHT_C_PUBLIC bool dht_publickey_check_signature(const dht_publickey* pk, const char* data, size_t data_size, const char* signature, size_t signature_size);
    OPENDHT_C_PUBLIC dht_blob* dht_publickey_encrypt(const dht_publickey* pk, const char* data, size_t data_size);
    
    // dht::crypto::PrivateKey
    struct OPENDHT_C_PUBLIC dht_privatekey;
    typedef struct dht_privatekey dht_privatekey;
    OPENDHT_C_PUBLIC dht_privatekey* dht_privatekey_generate(unsigned key_length_bits);
    OPENDHT_C_PUBLIC dht_privatekey* dht_privatekey_import(const uint8_t* dat, size_t dat_size, const char* password);
    OPENDHT_C_PUBLIC dht_publickey* dht_privatekey_get_publickey(const dht_privatekey*);
    OPENDHT_C_PUBLIC void dht_privatekey_delete(dht_privatekey*);
    
    // dht::crypto::Certificate
    struct OPENDHT_C_PUBLIC dht_certificate;
    typedef struct dht_certificate dht_certificate;
    
    struct OPENDHT_PUBLIC dht_identity {
        dht_privatekey* privkey;
        dht_certificate* certificate;
    };
    typedef struct dht_identity dht_identity;
    
    // callbacks
    typedef bool (*dht_get_cb)(const dht_value* value, void* user_data);
    typedef bool (*dht_value_cb)(const dht_value* value, bool expired, void* user_data);
    typedef bool (*dht_done_cb)(bool ok, void* user_data);
    typedef bool (*dht_shutdown_cb)(void* user_data);
    
    struct OPENDHT_C_PUBLIC dht_op_token;
    typedef struct dht_op_token dht_op_token;
    OPENDHT_C_PUBLIC void dht_op_token_delete(dht_op_token* token);
    
    // config
    struct OPENDHT_PUBLIC dht_node_config {
        dht_infohash node_id;
        uint32_t network;
        bool is_bootstrap;
        bool maintain_storage;
        const char* persist_path;
    };
    typedef struct dht_node_config dht_node_config;
    
    struct OPENDHT_PUBLIC dht_secure_config
    {
        dht_node_config node_config;
        dht_identity id;
    };
    typedef struct dht_secure_config dht_secure_config;
    
    struct OPENDHT_PUBLIC dht_runner_config {
        dht_secure_config dht_config;
        bool threaded;
        const char* proxy_server;
        const char* push_node_id;
        const char* push_token;
        bool peer_discovery;
        bool peer_publish;
        dht_certificate* server_ca;
        dht_identity client_identity;
    };
    typedef struct dht_runner_config dht_runner_config;
    OPENDHT_C_PUBLIC void dht_runner_config_default(dht_runner_config* config);
    
    // dht::DhtRunner
    struct OPENDHT_C_PUBLIC dht_runner;
    typedef struct dht_runner dht_runner;
    OPENDHT_C_PUBLIC dht_runner* dht_runner_new();
    OPENDHT_C_PUBLIC void dht_runner_delete(dht_runner* runner);
    OPENDHT_C_PUBLIC void dht_runner_run(dht_runner* runner, in_port_t port);
    OPENDHT_C_PUBLIC void dht_runner_run_config(dht_runner* runner, in_port_t port, const dht_runner_config* config);
    OPENDHT_C_PUBLIC void dht_runner_ping(dht_runner* runner, struct sockaddr* addr, socklen_t addr_len);
    OPENDHT_C_PUBLIC void dht_runner_bootstrap(dht_runner* runner, const char* host, const char* service);
    OPENDHT_C_PUBLIC void dht_runner_get(dht_runner* runner, const dht_infohash* hash, dht_get_cb cb, dht_done_cb done_cb, void* cb_user_data);
    OPENDHT_C_PUBLIC dht_op_token* dht_runner_listen(dht_runner* runner, const dht_infohash* hash, dht_value_cb cb, void* cb_user_data);
    OPENDHT_C_PUBLIC void dht_runner_cancel_listen(dht_runner* runner, const dht_infohash* hash, dht_op_token* token);
    OPENDHT_C_PUBLIC void dht_runner_put(dht_runner* runner, const dht_infohash* hash, const dht_value* value, dht_done_cb done_cb, void* cb_user_data);
    OPENDHT_C_PUBLIC void dht_runner_shutdown(dht_runner* runner, dht_shutdown_cb done_cb, void* cb_user_data);
    
    #ifdef __cplusplus
    }
    #endif