/* network.h * * Datatypes, functions and includes for the core networking. * Copyright (C) 2013 Tox project All Rights Reserved. This file is part of Tox. Tox is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Tox is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Tox. If not, see . */ #ifndef NETWORK_H #define NETWORK_H #include #include #include #include #include #ifdef WIN32 //Put win32 includes here #include #include //we use libsodium (Portable version of NaCl) because stock NaCl doesn't compile on windows. #include #else //Linux includes #include #include #include #include #include //TODO: Including stuff like this is bad. This needs fixing. //We keep support for the original NaCl for now on UNIX like Operating Systems. //Commented out for now //#include "../nacl/build/Linux/include/amd64/crypto_box.h" #endif #define MAX_UDP_PACKET_SIZE 65507 typedef union { uint8_t c[4]; uint16_t s[2]; uint32_t i; }IP; typedef struct { IP ip; uint16_t port; //not used for anything right now uint16_t padding; }IP_Port; typedef struct { int16_t family; uint16_t port; IP ip; uint8_t zeroes[8]; #ifdef ENABLE_IPV6 uint8_t zeroes2[12]; #endif }ADDR; //returns current time in milleseconds since the epoch. uint64_t current_time(); //return a random number uint32_t random_int(); //Basic network functions: //Function to send packet(data) of length length to ip_port int sendpacket(IP_Port ip_port, char * data, uint32_t length); //Function to recieve data, ip and port of sender is put into ip_port //the packet data into data //the packet length into length. int recievepacket(IP_Port * ip_port, char * data, uint32_t * length); //initialize networking //bind to ip and port //ip must be in network order EX: 127.0.0.1 = (7F000001) //port is in host byte order (this means don't worry about it) //returns 0 if no problems //TODO: add something to check if there are errors int init_networking(IP ip ,uint16_t port); //function to cleanup networking stuff(doesn't do much right now) void shutdown_networking(); #endif