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79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* TCP_client.h -- Implementation of the TCP relay client part of Tox.
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*
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* Copyright (C) 2014 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef TCP_CLIENT_H
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#define TCP_CLIENT_H
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#include "net_crypto.h"
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#include "TCP_server.h"
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#define TCP_CONNECTION_TIMEOUT 10
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enum {
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TCP_CLIENT_NO_STATUS,
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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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};
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typedef struct {
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uint8_t status;
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sock_t sock;
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uint8_t public_key[crypto_box_PUBLICKEYBYTES]; /* public key of the server */
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uint8_t recv_nonce[crypto_box_NONCEBYTES]; /* Nonce of received packets. */
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uint8_t sent_nonce[crypto_box_NONCEBYTES]; /* Nonce of sent packets. */
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uint8_t shared_key[crypto_box_BEFORENMBYTES];
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uint16_t next_packet_length;
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uint8_t temp_secret_key[crypto_box_SECRETKEYBYTES];
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uint8_t last_packet[2 + MAX_PACKET_SIZE];
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uint16_t last_packet_length;
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uint16_t last_packet_sent;
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uint64_t kill_at;
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uint64_t last_pinged;
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uint64_t ping_id;
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} TCP_Client_Connection;
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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(IP_Port ip_port, uint8_t *public_key, uint8_t *self_public_key,
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uint8_t *self_secret_key);
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/* Run the TCP connection
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*/
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void do_TCP_connection(TCP_Client_Connection *TCP_connection);
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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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int get_TCP_connection_status(TCP_Client_Connection *TCP_connection);
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int read_TCP_connection(TCP_Client_Connection *TCP_connection, uint8_t *data);
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#endif
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