mirror of
https://github.com/TokTok/c-toxcore
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iphydf
121 lines
4.4 KiB
C
121 lines
4.4 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2018 The TokTok team.
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* Copyright © 2014 Tox project.
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*/
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/*
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* Implementation of the TCP relay client part of Tox.
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*/
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#ifndef C_TOXCORE_TOXCORE_TCP_CLIENT_H
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#define C_TOXCORE_TOXCORE_TCP_CLIENT_H
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#include "TCP_server.h"
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#include "crypto_core.h"
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#define TCP_CONNECTION_TIMEOUT 10
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typedef enum TCP_Proxy_Type {
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TCP_PROXY_NONE,
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TCP_PROXY_HTTP,
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TCP_PROXY_SOCKS5,
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} TCP_Proxy_Type;
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typedef struct TCP_Proxy_Info {
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IP_Port ip_port;
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uint8_t proxy_type; // a value from TCP_PROXY_TYPE
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} TCP_Proxy_Info;
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typedef enum TCP_Client_Status {
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TCP_CLIENT_NO_STATUS,
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TCP_CLIENT_PROXY_HTTP_CONNECTING,
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TCP_CLIENT_PROXY_SOCKS5_CONNECTING,
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TCP_CLIENT_PROXY_SOCKS5_UNCONFIRMED,
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TCP_CLIENT_CONNECTING,
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TCP_CLIENT_UNCONFIRMED,
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TCP_CLIENT_CONFIRMED,
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TCP_CLIENT_DISCONNECTED,
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} TCP_Client_Status;
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typedef struct TCP_Client_Connection TCP_Client_Connection;
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const uint8_t *tcp_con_public_key(const TCP_Client_Connection *con);
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IP_Port tcp_con_ip_port(const TCP_Client_Connection *con);
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TCP_Client_Status tcp_con_status(const TCP_Client_Connection *con);
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void *tcp_con_custom_object(const TCP_Client_Connection *con);
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uint32_t tcp_con_custom_uint(const TCP_Client_Connection *con);
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void tcp_con_set_custom_object(TCP_Client_Connection *con, void *object);
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void tcp_con_set_custom_uint(TCP_Client_Connection *con, uint32_t value);
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/** Create new TCP connection to ip_port/public_key
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*/
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TCP_Client_Connection *new_TCP_connection(const Mono_Time *mono_time, IP_Port ip_port, const uint8_t *public_key,
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const uint8_t *self_public_key, const uint8_t *self_secret_key, const TCP_Proxy_Info *proxy_info);
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/** Run the TCP connection
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*/
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void do_TCP_connection(const Logger *logger, Mono_Time *mono_time, TCP_Client_Connection *tcp_connection,
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void *userdata);
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/** Kill the TCP connection
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*/
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void kill_TCP_connection(TCP_Client_Connection *tcp_connection);
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typedef int tcp_onion_response_cb(void *object, const uint8_t *data, uint16_t length, void *userdata);
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/** return 1 on success.
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* return 0 if could not send packet.
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* return -1 on failure (connection must be killed).
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*/
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int send_onion_request(TCP_Client_Connection *con, const uint8_t *data, uint16_t length);
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void onion_response_handler(TCP_Client_Connection *con, tcp_onion_response_cb *onion_callback, void *object);
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typedef int tcp_routing_response_cb(void *object, uint8_t connection_id, const uint8_t *public_key);
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typedef int tcp_routing_status_cb(void *object, uint32_t number, uint8_t connection_id, uint8_t status);
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/** return 1 on success.
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* return 0 if could not send packet.
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* return -1 on failure (connection must be killed).
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*/
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int send_routing_request(TCP_Client_Connection *con, uint8_t *public_key);
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void routing_response_handler(TCP_Client_Connection *con, tcp_routing_response_cb *response_callback, void *object);
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void routing_status_handler(TCP_Client_Connection *con, tcp_routing_status_cb *status_callback, void *object);
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/** return 1 on success.
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* return 0 if could not send packet.
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* return -1 on failure (connection must be killed).
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*/
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int send_disconnect_request(TCP_Client_Connection *con, uint8_t con_id);
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/** Set the number that will be used as an argument in the callbacks related to con_id.
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*
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* When not set by this function, the number is -1.
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*
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* return 0 on success.
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* return -1 on failure.
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*/
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int set_tcp_connection_number(TCP_Client_Connection *con, uint8_t con_id, uint32_t number);
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typedef int tcp_routing_data_cb(void *object, uint32_t number, uint8_t connection_id, const uint8_t *data,
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uint16_t length, void *userdata);
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/** return 1 on success.
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* return 0 if could not send packet.
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* return -1 on failure.
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*/
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int send_data(TCP_Client_Connection *con, uint8_t con_id, const uint8_t *data, uint16_t length);
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void routing_data_handler(TCP_Client_Connection *con, tcp_routing_data_cb *data_callback, void *object);
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typedef int tcp_oob_data_cb(void *object, const uint8_t *public_key, const uint8_t *data, uint16_t length,
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void *userdata);
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/** return 1 on success.
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* return 0 if could not send packet.
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* return -1 on failure.
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*/
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int send_oob_packet(TCP_Client_Connection *con, const uint8_t *public_key, const uint8_t *data, uint16_t length);
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void oob_data_handler(TCP_Client_Connection *con, tcp_oob_data_cb *oob_data_callback, void *object);
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#endif
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