mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
Ran the code through: astyle --style=linux
This commit is contained in:
parent
1a6446266c
commit
14b43651c1
35
core/DHT.c
35
core/DHT.c
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@ -23,8 +23,7 @@
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#include "DHT.h"
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typedef struct
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{
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typedef struct {
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uint8_t client_id[CLIENT_ID_SIZE];
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IP_Port ip_port;
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uint32_t timestamp;
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@ -32,13 +31,12 @@ typedef struct
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IP_Port ret_ip_port;/* The ip_port returned by this node for the friend
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(for nodes in friends_list) or us (for nodes in close_clientlist) */
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uint32_t ret_timestamp;
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}Client_data;
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} Client_data;
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/* maximum number of clients stored per friend. */
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#define MAX_FRIEND_CLIENTS 8
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typedef struct
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{
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typedef struct {
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uint8_t client_id[CLIENT_ID_SIZE];
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Client_data client_list[MAX_FRIEND_CLIENTS];
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uint32_t lastgetnode; /* time at which the last get_nodes request was sent. */
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@ -49,21 +47,19 @@ typedef struct
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uint32_t punching_timestamp;
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uint64_t NATping_id;
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uint32_t NATping_timestamp;
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}Friend;
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} Friend;
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typedef struct
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{
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typedef struct {
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uint8_t client_id[CLIENT_ID_SIZE];
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IP_Port ip_port;
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}Node_format;
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} Node_format;
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typedef struct
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{
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typedef struct {
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IP_Port ip_port;
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uint64_t ping_id;
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uint32_t timestamp;
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}Pinged;
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} Pinged;
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/* Our client id/public key */
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uint8_t self_public_key[CLIENT_ID_SIZE];
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@ -174,8 +170,7 @@ int get_close_nodes(uint8_t * client_id, Node_format * nodes_list)
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memcpy(nodes_list[num_nodes].client_id, close_clientlist[i].client_id, CLIENT_ID_SIZE);
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nodes_list[num_nodes].ip_port = close_clientlist[i].ip_port;
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num_nodes++;
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}
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else for(j = 0; j < MAX_SENT_NODES; ++j)
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} else for(j = 0; j < MAX_SENT_NODES; ++j)
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if(id_closest(client_id, nodes_list[j].client_id, close_clientlist[i].client_id) == 2) {
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memcpy(nodes_list[j].client_id, close_clientlist[i].client_id, CLIENT_ID_SIZE);
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nodes_list[j].ip_port = close_clientlist[i].ip_port;
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@ -210,7 +205,7 @@ int replace_bad(Client_data * list, uint32_t length, uint8_t * client_id, IP_Por
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uint32_t i;
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uint32_t temp_time = unix_time();
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for(i = 0; i < length; ++i)
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if(list[i].timestamp + BAD_NODE_TIMEOUT < temp_time) /* if node is bad. */ {
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if(list[i].timestamp + BAD_NODE_TIMEOUT < temp_time) { /* if node is bad. */
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memcpy(list[i].client_id, client_id, CLIENT_ID_SIZE);
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list[i].ip_port = ip_port;
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list[i].timestamp = temp_time;
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@ -704,12 +699,12 @@ void doDHTFriends()
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for(i = 0; i < num_friends; ++i) {
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uint32_t num_nodes = 0;
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for(j = 0; j < MAX_FRIEND_CLIENTS; ++j)
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if(friends_list[i].client_list[j].timestamp + Kill_NODE_TIMEOUT > temp_time) /* if node is not dead. */ {
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if(friends_list[i].client_list[j].timestamp + Kill_NODE_TIMEOUT > temp_time) { /* if node is not dead. */
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if((friends_list[i].client_list[j].last_pinged + PING_INTERVAL) <= temp_time) {
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pingreq(friends_list[i].client_list[j].ip_port, friends_list[i].client_list[j].client_id);
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friends_list[i].client_list[j].last_pinged = temp_time;
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}
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if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time) /* if node is good. */ {
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if(friends_list[i].client_list[j].timestamp + BAD_NODE_TIMEOUT > temp_time) { /* if node is good. */
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index[num_nodes] = j;
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++num_nodes;
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}
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@ -918,8 +913,7 @@ int handle_NATping(uint8_t * packet, uint32_t length, IP_Port source)
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return 1;
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}
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/* if request is not for us, try routing it. */
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else
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if(route_packet(packet + 1, packet, length) == length)
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else if(route_packet(packet + 1, packet, length) == length)
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return 0;
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return 0;
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}
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@ -998,8 +992,7 @@ static void doNAT()
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send_NATping(friends_list[i].client_id, friends_list[i].NATping_id, 0); /*0 is request*/
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friends_list[i].NATping_timestamp = temp_time;
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}
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}
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else if(friends_list[i].punching_timestamp + PUNCH_INTERVAL < temp_time) {
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} else if(friends_list[i].punching_timestamp + PUNCH_INTERVAL < temp_time) {
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IP ip = NAT_commonip(ip_list, num, MAX_FRIEND_CLIENTS/2);
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if(ip.i == 0)
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continue;
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62
core/DHT.h
62
core/DHT.h
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extern "C" {
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#endif
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/* Current time, unix format */
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/* Current time, unix format */
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#define unix_time() ((uint32_t)time(NULL))
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/* size of the client_id in bytes */
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/* size of the client_id in bytes */
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#define CLIENT_ID_SIZE crypto_box_PUBLICKEYBYTES
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/* Add a new friend to the friends list
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/* Add a new friend to the friends list
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client_id must be CLIENT_ID_SIZE bytes long.
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returns 0 if success
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returns 1 if failure (friends list is full) */
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int DHT_addfriend(uint8_t *client_id);
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int DHT_addfriend(uint8_t *client_id);
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/* Delete a friend from the friends list
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/* Delete a friend from the friends list
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client_id must be CLIENT_ID_SIZE bytes long.
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returns 0 if success
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returns 1 if failure (client_id not in friends list) */
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int DHT_delfriend(uint8_t *client_id);
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int DHT_delfriend(uint8_t *client_id);
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/* Get ip of friend
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/* Get ip of friend
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client_id must be CLIENT_ID_SIZE bytes long.
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ip must be 4 bytes long.
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port must be 2 bytes long.
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returns ip if success
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returns ip of 0 if failure (This means the friend is either offline or we have not found him yet.)
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returns ip of 1 if friend is not in list. */
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IP_Port DHT_getfriendip(uint8_t *client_id);
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IP_Port DHT_getfriendip(uint8_t *client_id);
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/* Run this function at least a couple times per second (It's the main loop) */
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void doDHT();
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/* Run this function at least a couple times per second (It's the main loop) */
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void doDHT();
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/* if we receive a DHT packet we call this function so it can be handled.
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/* if we receive a DHT packet we call this function so it can be handled.
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return 0 if packet is handled correctly.
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return 1 if it didn't handle the packet or if the packet was shit. */
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int DHT_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
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int DHT_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
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/* Use this function to bootstrap the client
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/* Use this function to bootstrap the client
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Sends a get nodes request to the given node with ip port and public_key */
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void DHT_bootstrap(IP_Port ip_port, uint8_t *public_key);
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void DHT_bootstrap(IP_Port ip_port, uint8_t *public_key);
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/* ROUTING FUNCTIONS */
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/* ROUTING FUNCTIONS */
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/* send the given packet to node with client_id
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/* send the given packet to node with client_id
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returns -1 if failure */
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int route_packet(uint8_t *client_id, uint8_t *packet, uint32_t length);
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int route_packet(uint8_t *client_id, uint8_t *packet, uint32_t length);
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/* Send the following packet to everyone who tells us they are connected to friend_id
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/* Send the following packet to everyone who tells us they are connected to friend_id
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returns the number of nodes it sent the packet to */
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int route_tofriend(uint8_t *friend_id, uint8_t *packet, uint32_t length);
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int route_tofriend(uint8_t *friend_id, uint8_t *packet, uint32_t length);
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/* NAT PUNCHING FUNCTIONS */
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/* NAT PUNCHING FUNCTIONS */
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/* Puts all the different ips returned by the nodes for a friend_id into array ip_portlist
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/* Puts all the different ips returned by the nodes for a friend_id into array ip_portlist
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ip_portlist must be at least MAX_FRIEND_CLIENTS big
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returns the number of ips returned
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returns -1 if no such friend*/
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int friend_ips(IP_Port *ip_portlist, uint8_t *friend_id);
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int friend_ips(IP_Port *ip_portlist, uint8_t *friend_id);
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/* SAVE/LOAD functions */
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/* SAVE/LOAD functions */
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/* get the size of the DHT (for saving) */
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uint32_t DHT_size();
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/* get the size of the DHT (for saving) */
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uint32_t DHT_size();
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/* save the DHT in data where data is an array of size DHT_size() */
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void DHT_save(uint8_t *data);
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/* save the DHT in data where data is an array of size DHT_size() */
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void DHT_save(uint8_t *data);
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/* load the DHT from data of size size;
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/* load the DHT from data of size size;
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return -1 if failure
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return 0 if success */
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int DHT_load(uint8_t *data, uint32_t size);
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int DHT_load(uint8_t *data, uint32_t size);
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/* returns 0 if we are not connected to the DHT
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/* returns 0 if we are not connected to the DHT
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returns 1 if we are */
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int DHT_isconnected();
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int DHT_isconnected();
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#ifdef __cplusplus
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}
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extern "C" {
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#endif
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/*Send a LAN discovery pcaket to the broadcast address with port port*/
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int send_LANdiscovery(uint16_t port);
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/*Send a LAN discovery pcaket to the broadcast address with port port*/
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int send_LANdiscovery(uint16_t port);
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/* if we receive a packet we call this function so it can be handled.
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/* if we receive a packet we call this function so it can be handled.
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return 0 if packet is handled correctly.
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return 1 if it didn't handle the packet or if the packet was shit. */
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int LANdiscovery_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
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int LANdiscovery_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
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@ -47,7 +47,7 @@ timeout per connection is randomly set between CONNEXION_TIMEOUT and 2*CONNEXION
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typedef struct {
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uint8_t data[MAX_DATA_SIZE];
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uint16_t size;
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}Data;
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} Data;
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typedef struct {
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IP_Port ip_port;
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uint8_t recv_counter;
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uint8_t send_counter;
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uint8_t timeout; /* connection timeout in seconds. */
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}Connection;
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} Connection;
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#define MAX_CONNECTIONS 256
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/* get connection id from IP_Port
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return -1 if there are no connections like we are looking for
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return id if it found it */
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int getconnection_id(IP_Port ip_port) {
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int getconnection_id(IP_Port ip_port)
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{
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uint32_t i;
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for (i = 0; i < MAX_CONNECTIONS; ++i) {
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if (connections[i].ip_port.ip.i == ip_port.ip.i &&
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@ -684,8 +685,7 @@ void adjustRates()
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if (sendqueue(i) != 0) {
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connections[i].data_rate = (BUFFER_PACKET_NUM - connections[i].num_req_paquets) * MAX_SYNC_RATE;
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connections[i].SYNC_rate = MAX_SYNC_RATE;
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}
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else if (connections[i].last_recvdata + 1000000UL > temp_time)
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} else if (connections[i].last_recvdata + 1000000UL > temp_time)
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connections[i].SYNC_rate = MAX_SYNC_RATE;
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else
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connections[i].SYNC_rate = SYNC_RATE;
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@ -30,74 +30,74 @@
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extern "C" {
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#endif
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/* maximum length of the data in the data packets */
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/* maximum length of the data in the data packets */
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#define MAX_DATA_SIZE 1024
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/* Functions */
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/* Functions */
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/* initialize a new connection to ip_port
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/* initialize a new connection to ip_port
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returns an integer corresponding to the connection id.
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return -1 if it could not initialize the connection.
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if there already was an existing connection to that ip_port return its number. */
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int new_connection(IP_Port ip_port);
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int new_connection(IP_Port ip_port);
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/* get connection id from IP_Port
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/* get connection id from IP_Port
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return -1 if there are no connections like we are looking for
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return id if it found it */
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int getconnection_id(IP_Port ip_port);
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int getconnection_id(IP_Port ip_port);
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/* returns an integer corresponding to the next connection in our imcoming connection list
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/* returns an integer corresponding to the next connection in our imcoming connection list
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return -1 if there are no new incoming connections in the list. */
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int incoming_connection();
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int incoming_connection();
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/* return -1 if it could not kill the connection.
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/* return -1 if it could not kill the connection.
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return 0 if killed successfully */
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int kill_connection(int connection_id);
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int kill_connection(int connection_id);
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/* kill connection in seconds seconds.
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/* kill connection in seconds seconds.
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return -1 if it can not kill the connection.
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return 0 if it will kill it */
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int kill_connection_in(int connection_id, uint32_t seconds);
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int kill_connection_in(int connection_id, uint32_t seconds);
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/* returns the ip_port of the corresponding connection.
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/* returns the ip_port of the corresponding connection.
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return 0 if there is no such connection. */
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IP_Port connection_ip(int connection_id);
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IP_Port connection_ip(int connection_id);
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/* returns the id of the next packet in the queue
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/* returns the id of the next packet in the queue
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return -1 if no packet in queue */
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char id_packet(int connection_id);
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char id_packet(int connection_id);
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/* return 0 if there is no received data in the buffer.
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/* return 0 if there is no received data in the buffer.
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return length of received packet if successful */
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int read_packet(int connection_id, uint8_t *data);
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int read_packet(int connection_id, uint8_t *data);
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/* return 0 if data could not be put in packet queue
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/* return 0 if data could not be put in packet queue
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return 1 if data was put into the queue */
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int write_packet(int connection_id, uint8_t *data, uint32_t length);
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int write_packet(int connection_id, uint8_t *data, uint32_t length);
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/* returns the number of packets in the queue waiting to be successfully sent. */
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uint32_t sendqueue(int connection_id);
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/* returns the number of packets in the queue waiting to be successfully sent. */
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uint32_t sendqueue(int connection_id);
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/* returns the number of packets in the queue waiting to be successfully read with read_packet(...) */
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uint32_t recvqueue(int connection_id);
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/* returns the number of packets in the queue waiting to be successfully read with read_packet(...) */
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uint32_t recvqueue(int connection_id);
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/* check if connection is connected
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/* check if connection is connected
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return 0 no.
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return 1 if attempting handshake
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return 2 if handshake is done
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return 3 if fully connected
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return 4 if timed out and wating to be killed */
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int is_connected(int connection_id);
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int is_connected(int connection_id);
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/* Call this function a couple times per second
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/* Call this function a couple times per second
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It's the main loop. */
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void doLossless_UDP();
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void doLossless_UDP();
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/* if we receive a Lossless_UDP packet we call this function so it can be handled.
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/* if we receive a Lossless_UDP packet we call this function so it can be handled.
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return 0 if packet is handled correctly.
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return 1 if it didn't handle the packet or if the packet was shit. */
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int LosslessUDP_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
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int LosslessUDP_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
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#ifdef __cplusplus
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}
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@ -349,7 +349,8 @@ int initMessenger()
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//TODO: make this function not suck.
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static void doFriends()
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{/* TODO: add incoming connections and some other stuff. */
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{
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/* TODO: add incoming connections and some other stuff. */
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uint32_t i;
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int len;
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uint8_t temp[MAX_DATA_SIZE];
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@ -421,8 +422,7 @@ static void doFriends()
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break;
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}
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}
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}
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else {
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} else {
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if (is_cryptoconnected(friendlist[i].crypt_connection_id) == 4) { /* if the connection timed out, kill it */
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crypto_kill(friendlist[i].crypt_connection_id);
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friendlist[i].crypt_connection_id = -1;
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@ -42,111 +42,111 @@ extern "C" {
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#define PACKET_ID_USERSTATUS 49
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#define PACKET_ID_MESSAGE 64
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/* don't assume MAX_USERSTATUS_LENGTH will stay at 128, it may be increased
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/* don't assume MAX_USERSTATUS_LENGTH will stay at 128, it may be increased
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to an absurdly large number later */
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/* add a friend
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/* add a friend
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set the data that will be sent along with friend request
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client_id is the client id of the friend
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data is the data and length is the length
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returns the friend number if success
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return -1 if failure. */
|
||||
int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length);
|
||||
int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length);
|
||||
|
||||
|
||||
/* add a friend without sending a friendrequest.
|
||||
/* add a friend without sending a friendrequest.
|
||||
returns the friend number if success
|
||||
return -1 if failure. */
|
||||
int m_addfriend_norequest(uint8_t *client_id);
|
||||
int m_addfriend_norequest(uint8_t *client_id);
|
||||
|
||||
/* return the friend id associated to that client id.
|
||||
/* return the friend id associated to that client id.
|
||||
return -1 if no such friend */
|
||||
int getfriend_id(uint8_t *client_id);
|
||||
int getfriend_id(uint8_t *client_id);
|
||||
|
||||
/* copies the public key associated to that friend id into client_id buffer.
|
||||
/* copies the public key associated to that friend id into client_id buffer.
|
||||
make sure that client_id is of size CLIENT_ID_SIZE.
|
||||
return 0 if success
|
||||
return -1 if failure */
|
||||
int getclient_id(int friend_id, uint8_t *client_id);
|
||||
int getclient_id(int friend_id, uint8_t *client_id);
|
||||
|
||||
/* remove a friend */
|
||||
int m_delfriend(int friendnumber);
|
||||
/* remove a friend */
|
||||
int m_delfriend(int friendnumber);
|
||||
|
||||
/* return 4 if friend is online
|
||||
/* return 4 if friend is online
|
||||
return 3 if friend is confirmed
|
||||
return 2 if the friend request was sent
|
||||
return 1 if the friend was added
|
||||
return 0 if there is no friend with that number */
|
||||
int m_friendstatus(int friendnumber);
|
||||
int m_friendstatus(int friendnumber);
|
||||
|
||||
/* send a text chat message to an online friend
|
||||
/* send a text chat message to an online friend
|
||||
returns 1 if packet was successfully put into the send queue
|
||||
return 0 if it was not */
|
||||
int m_sendmessage(int friendnumber, uint8_t *message, uint32_t length);
|
||||
int m_sendmessage(int friendnumber, uint8_t *message, uint32_t length);
|
||||
|
||||
/* Set our nickname
|
||||
/* Set our nickname
|
||||
name must be a string of maximum MAX_NAME_LENGTH length.
|
||||
return 0 if success
|
||||
return -1 if failure */
|
||||
int setname(uint8_t *name, uint16_t length);
|
||||
int setname(uint8_t *name, uint16_t length);
|
||||
|
||||
/* get name of friendnumber
|
||||
/* get name of friendnumber
|
||||
put it in name
|
||||
name needs to be a valid memory location with a size of at least MAX_NAME_LENGTH (128) bytes.
|
||||
return 0 if success
|
||||
return -1 if failure */
|
||||
int getname(int friendnumber, uint8_t *name);
|
||||
int getname(int friendnumber, uint8_t *name);
|
||||
|
||||
/* set our user status
|
||||
/* set our user status
|
||||
you are responsible for freeing status after
|
||||
returns 0 on success, -1 on failure */
|
||||
int m_set_userstatus(uint8_t *status, uint16_t length);
|
||||
int m_set_userstatus(uint8_t *status, uint16_t length);
|
||||
|
||||
/* return the length of friendnumber's user status,
|
||||
/* return the length of friendnumber's user status,
|
||||
including null
|
||||
pass it into malloc */
|
||||
int m_get_userstatus_size(int friendnumber);
|
||||
int m_get_userstatus_size(int friendnumber);
|
||||
|
||||
/* copy friendnumber's userstatus into buf, truncating if size is over maxlen
|
||||
/* copy friendnumber's userstatus into buf, truncating if size is over maxlen
|
||||
get the size you need to allocate from m_get_userstatus_size */
|
||||
int m_copy_userstatus(int friendnumber, uint8_t *buf, uint32_t maxlen);
|
||||
int m_copy_userstatus(int friendnumber, uint8_t *buf, uint32_t maxlen);
|
||||
|
||||
/* set the function that will be executed when a friend request is received.
|
||||
/* set the function that will be executed when a friend request is received.
|
||||
function format is function(uint8_t * public_key, uint8_t * data, uint16_t length) */
|
||||
void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
|
||||
void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
|
||||
|
||||
/* set the function that will be executed when a message from a friend is received.
|
||||
/* set the function that will be executed when a message from a friend is received.
|
||||
function format is: function(int friendnumber, uint8_t * message, uint32_t length) */
|
||||
void m_callback_friendmessage(void (*function)(int, uint8_t *, uint16_t));
|
||||
void m_callback_friendmessage(void (*function)(int, uint8_t *, uint16_t));
|
||||
|
||||
/* set the callback for name changes
|
||||
/* set the callback for name changes
|
||||
function(int friendnumber, uint8_t *newname, uint16_t length)
|
||||
you are not responsible for freeing newname */
|
||||
void m_callback_namechange(void (*function)(int, uint8_t *, uint16_t));
|
||||
void m_callback_namechange(void (*function)(int, uint8_t *, uint16_t));
|
||||
|
||||
/* set the callback for user status changes
|
||||
/* set the callback for user status changes
|
||||
function(int friendnumber, uint8_t *newstatus, uint16_t length)
|
||||
you are not responsible for freeing newstatus */
|
||||
void m_callback_userstatus(void (*function)(int, uint8_t *, uint16_t));
|
||||
void m_callback_userstatus(void (*function)(int, uint8_t *, uint16_t));
|
||||
|
||||
/* run this at startup
|
||||
/* run this at startup
|
||||
returns 0 if no connection problems
|
||||
returns -1 if there are problems */
|
||||
int initMessenger();
|
||||
int initMessenger();
|
||||
|
||||
/* the main loop that needs to be run at least 200 times per second */
|
||||
void doMessenger();
|
||||
/* the main loop that needs to be run at least 200 times per second */
|
||||
void doMessenger();
|
||||
|
||||
/* SAVING AND LOADING FUNCTIONS: */
|
||||
/* SAVING AND LOADING FUNCTIONS: */
|
||||
|
||||
/* returns the size of the messenger data (for saving) */
|
||||
uint32_t Messenger_size();
|
||||
/* returns the size of the messenger data (for saving) */
|
||||
uint32_t Messenger_size();
|
||||
|
||||
/* save the messenger in data (must be allocated memory of size Messenger_size()) */
|
||||
void Messenger_save(uint8_t *data);
|
||||
/* save the messenger in data (must be allocated memory of size Messenger_size()) */
|
||||
void Messenger_save(uint8_t *data);
|
||||
|
||||
/* load the messenger from data of size length */
|
||||
int Messenger_load(uint8_t *data, uint32_t length);
|
||||
/* load the messenger from data of size length */
|
||||
int Messenger_load(uint8_t *data, uint32_t length);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
|
|
@ -61,7 +61,8 @@ static void (*handle_friendrequest)(uint8_t *, uint8_t *, uint16_t);
|
|||
static uint8_t handle_friendrequest_isset = 0;
|
||||
|
||||
/* set the function that will be executed when a friend request is received. */
|
||||
void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t)) {
|
||||
void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t))
|
||||
{
|
||||
handle_friendrequest = function;
|
||||
handle_friendrequest_isset = 1;
|
||||
}
|
||||
|
@ -76,7 +77,8 @@ static uint8_t recieved_requests[MAX_RECIEVED_STORED][crypto_box_PUBLICKEYBYTES]
|
|||
static uint16_t recieved_requests_index;
|
||||
|
||||
/*Add to list of recieved friend requests*/
|
||||
static void addto_recievedlist(uint8_t * client_id) {
|
||||
static void addto_recievedlist(uint8_t * client_id)
|
||||
{
|
||||
if (recieved_requests_index >= MAX_RECIEVED_STORED)
|
||||
recieved_requests_index = 0;
|
||||
|
||||
|
@ -86,7 +88,8 @@ static void addto_recievedlist(uint8_t * client_id) {
|
|||
|
||||
/* Check if a friend request was already recieved
|
||||
return 0 if not, 1 if we did */
|
||||
static int request_recieved(uint8_t * client_id) {
|
||||
static int request_recieved(uint8_t * client_id)
|
||||
{
|
||||
uint32_t i;
|
||||
|
||||
for (i = 0; i < MAX_RECIEVED_STORED; ++i) {
|
||||
|
@ -98,7 +101,8 @@ static int request_recieved(uint8_t * client_id) {
|
|||
}
|
||||
|
||||
|
||||
int friendreq_handlepacket(uint8_t * packet, uint32_t length, IP_Port source) {
|
||||
int friendreq_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
|
||||
{
|
||||
if (packet[0] == 32) {
|
||||
if (length <= crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING &&
|
||||
length > MAX_DATA_SIZE + ENCRYPTION_PADDING)
|
||||
|
@ -118,8 +122,7 @@ int friendreq_handlepacket(uint8_t * packet, uint32_t length, IP_Port source) {
|
|||
|
||||
addto_recievedlist(public_key);
|
||||
(*handle_friendrequest)(public_key, data, len);
|
||||
}
|
||||
else {/* if request is not for us, try routing it. */
|
||||
} else { /* if request is not for us, try routing it. */
|
||||
if(route_packet(packet + 1, packet, length) == length)
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -31,18 +31,18 @@
|
|||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Try to send a friendrequest to peer with public_key
|
||||
/* Try to send a friendrequest to peer with public_key
|
||||
data is the data in the request and length is the length. */
|
||||
int send_friendrequest(uint8_t *public_key, uint8_t *data, uint32_t length);
|
||||
int send_friendrequest(uint8_t *public_key, uint8_t *data, uint32_t length);
|
||||
|
||||
/* set the function that will be executed when a friend request for us is received.
|
||||
/* set the function that will be executed when a friend request for us is received.
|
||||
function format is function(uint8_t * public_key, uint8_t * data, uint16_t length) */
|
||||
void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
|
||||
void callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t));
|
||||
|
||||
/* if we receive a packet we call this function so it can be handled.
|
||||
/* if we receive a packet we call this function so it can be handled.
|
||||
return 0 if packet is handled correctly.
|
||||
return 1 if it didn't handle the packet or if the packet was shit. */
|
||||
int friendreq_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
|
||||
int friendreq_handlepacket(uint8_t *packet, uint32_t length, IP_Port source);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
|
|
@ -211,8 +211,7 @@ int handle_request(uint8_t *public_key, uint8_t *data, uint8_t *packet, uint16_t
|
|||
|
||||
if (length > crypto_box_PUBLICKEYBYTES * 2 + crypto_box_NONCEBYTES + 1 + ENCRYPTION_PADDING &&
|
||||
length <= MAX_DATA_SIZE + ENCRYPTION_PADDING &&
|
||||
memcmp(packet + 1, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
|
||||
{
|
||||
memcmp(packet + 1, self_public_key, crypto_box_PUBLICKEYBYTES) == 0) {
|
||||
memcpy(public_key, packet + 1 + crypto_box_PUBLICKEYBYTES, crypto_box_PUBLICKEYBYTES);
|
||||
uint8_t nonce[crypto_box_NONCEBYTES];
|
||||
memcpy(nonce, packet + 1 + crypto_box_PUBLICKEYBYTES * 2, crypto_box_NONCEBYTES);
|
||||
|
@ -221,8 +220,7 @@ int handle_request(uint8_t *public_key, uint8_t *data, uint8_t *packet, uint16_t
|
|||
if(len1 == -1)
|
||||
return -1;
|
||||
return len1;
|
||||
}
|
||||
else
|
||||
} else
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
@ -257,8 +255,7 @@ int handle_cryptohandshake(uint8_t *public_key, uint8_t *secret_nonce,
|
|||
{
|
||||
int pad = (- crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES);
|
||||
if (length != 1 + crypto_box_PUBLICKEYBYTES + crypto_box_NONCEBYTES
|
||||
+ crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES + pad)
|
||||
{
|
||||
+ crypto_box_NONCEBYTES + crypto_box_PUBLICKEYBYTES + pad) {
|
||||
return 0;
|
||||
}
|
||||
if (data[0] != 2)
|
||||
|
@ -317,8 +314,7 @@ int crypto_connect(uint8_t *public_key, IP_Port ip_port)
|
|||
crypto_box_keypair(crypto_connections[i].sessionpublic_key, crypto_connections[i].sessionsecret_key);
|
||||
|
||||
if (send_cryptohandshake(id, public_key, crypto_connections[i].recv_nonce,
|
||||
crypto_connections[i].sessionpublic_key) == 1)
|
||||
{
|
||||
crypto_connections[i].sessionpublic_key) == 1) {
|
||||
increment_nonce(crypto_connections[i].recv_nonce);
|
||||
return i;
|
||||
}
|
||||
|
@ -401,8 +397,7 @@ int accept_crypto_inbound(int connection_id, uint8_t *public_key, uint8_t *secre
|
|||
crypto_box_keypair(crypto_connections[i].sessionpublic_key, crypto_connections[i].sessionsecret_key);
|
||||
|
||||
if (send_cryptohandshake(connection_id, public_key, crypto_connections[i].recv_nonce,
|
||||
crypto_connections[i].sessionpublic_key) == 1)
|
||||
{
|
||||
crypto_connections[i].sessionpublic_key) == 1) {
|
||||
increment_nonce(crypto_connections[i].recv_nonce);
|
||||
uint32_t zero = 0;
|
||||
crypto_connections[i].status = 3; /* connection status needs to be 3 for write_cryptpacket() to work */
|
||||
|
@ -504,8 +499,7 @@ static void receive_crypto()
|
|||
crypto_connections[i].status = 2; /* set it to its proper value right after. */
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (id_packet(crypto_connections[i].number) != -1) // This should not happen kill the connection if it does
|
||||
} else if (id_packet(crypto_connections[i].number) != -1) // This should not happen kill the connection if it does
|
||||
crypto_kill(crypto_connections[i].number);
|
||||
|
||||
}
|
||||
|
@ -524,11 +518,9 @@ static void receive_crypto()
|
|||
|
||||
/* connection is accepted so we disable the auto kill by setting it to about 1 month from now. */
|
||||
kill_connection_in(crypto_connections[i].number, 3000000);
|
||||
}
|
||||
else
|
||||
} else
|
||||
crypto_kill(crypto_connections[i].number); // This should not happen kill the connection if it does
|
||||
}
|
||||
else if(id_packet(crypto_connections[i].number) != -1)
|
||||
} else if(id_packet(crypto_connections[i].number) != -1)
|
||||
/* This should not happen
|
||||
kill the connection if it does */
|
||||
crypto_kill(crypto_connections[i].number);
|
||||
|
|
|
@ -30,102 +30,102 @@
|
|||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Our public key. */
|
||||
extern uint8_t self_public_key[crypto_box_PUBLICKEYBYTES];
|
||||
extern uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
|
||||
/* Our public key. */
|
||||
extern uint8_t self_public_key[crypto_box_PUBLICKEYBYTES];
|
||||
extern uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
|
||||
|
||||
#define ENCRYPTION_PADDING (crypto_box_ZEROBYTES - crypto_box_BOXZEROBYTES)
|
||||
|
||||
/* encrypts plain of length length to encrypted of length + 16 using the
|
||||
/* encrypts plain of length length to encrypted of length + 16 using the
|
||||
public key(32 bytes) of the receiver and the secret key of the sender and a 24 byte nonce
|
||||
return -1 if there was a problem.
|
||||
return length of encrypted data if everything was fine. */
|
||||
int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
|
||||
int encrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
|
||||
uint8_t *plain, uint32_t length, uint8_t *encrypted);
|
||||
|
||||
|
||||
/* decrypts encrypted of length length to plain of length length - 16 using the
|
||||
/* decrypts encrypted of length length to plain of length length - 16 using the
|
||||
public key(32 bytes) of the sender, the secret key of the receiver and a 24 byte nonce
|
||||
return -1 if there was a problem(decryption failed)
|
||||
return length of plain data if everything was fine. */
|
||||
int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
|
||||
int decrypt_data(uint8_t *public_key, uint8_t *secret_key, uint8_t *nonce,
|
||||
uint8_t *encrypted, uint32_t length, uint8_t *plain);
|
||||
|
||||
|
||||
/* fill the given nonce with random bytes. */
|
||||
void random_nonce(uint8_t *nonce);
|
||||
/* fill the given nonce with random bytes. */
|
||||
void random_nonce(uint8_t *nonce);
|
||||
|
||||
/* return 0 if there is no received data in the buffer
|
||||
/* return 0 if there is no received data in the buffer
|
||||
return -1 if the packet was discarded.
|
||||
return length of received data if successful */
|
||||
int read_cryptpacket(int crypt_connection_id, uint8_t *data);
|
||||
int read_cryptpacket(int crypt_connection_id, uint8_t *data);
|
||||
|
||||
/* return 0 if data could not be put in packet queue
|
||||
/* return 0 if data could not be put in packet queue
|
||||
return 1 if data was put into the queue */
|
||||
int write_cryptpacket(int crypt_connection_id, uint8_t *data, uint32_t length);
|
||||
int write_cryptpacket(int crypt_connection_id, uint8_t *data, uint32_t length);
|
||||
|
||||
/* create a request to peer with public_key.
|
||||
/* create a request to peer with public_key.
|
||||
packet must be an array of MAX_DATA_SIZE big.
|
||||
Data represents the data we send with the request with length being the length of the data.
|
||||
request_id is the id of the request (32 = friend request, 254 = ping request)
|
||||
returns -1 on failure
|
||||
returns the length of the created packet on success */
|
||||
int create_request(uint8_t *packet, uint8_t * public_key, uint8_t *data, uint32_t length, uint8_t request_id);
|
||||
int create_request(uint8_t *packet, uint8_t * public_key, uint8_t *data, uint32_t length, uint8_t request_id);
|
||||
|
||||
/* puts the senders public key in the request in public_key, the data from the request
|
||||
/* puts the senders public key in the request in public_key, the data from the request
|
||||
in data if a friend or ping request was sent to us and returns the length of the data.
|
||||
packet is the request packet and length is its length
|
||||
return -1 if not valid request. */
|
||||
int handle_request(uint8_t *public_key, uint8_t *data, uint8_t *packet, uint16_t length);
|
||||
int handle_request(uint8_t *public_key, uint8_t *data, uint8_t *packet, uint16_t length);
|
||||
|
||||
/* Start a secure connection with other peer who has public_key and ip_port
|
||||
/* Start a secure connection with other peer who has public_key and ip_port
|
||||
returns -1 if failure
|
||||
returns crypt_connection_id of the initialized connection if everything went well. */
|
||||
int crypto_connect(uint8_t *public_key, IP_Port ip_port);
|
||||
int crypto_connect(uint8_t *public_key, IP_Port ip_port);
|
||||
|
||||
/* kill a crypto connection
|
||||
/* kill a crypto connection
|
||||
return 0 if killed successfully
|
||||
return 1 if there was a problem. */
|
||||
int crypto_kill(int crypt_connection_id);
|
||||
int crypto_kill(int crypt_connection_id);
|
||||
|
||||
/* handle an incoming connection
|
||||
/* handle an incoming connection
|
||||
return -1 if no crypto inbound connection
|
||||
return incoming connection id (Lossless_UDP one) if there is an incoming crypto connection
|
||||
Put the public key of the peer in public_key, the secret_nonce from the handshake into secret_nonce
|
||||
and the session public key for the connection in session_key
|
||||
to accept it see: accept_crypto_inbound(...)
|
||||
to refuse it just call kill_connection(...) on the connection id */
|
||||
int crypto_inbound(uint8_t *public_key, uint8_t * secret_nonce, uint8_t *session_key);
|
||||
int crypto_inbound(uint8_t *public_key, uint8_t * secret_nonce, uint8_t *session_key);
|
||||
|
||||
/* accept an incoming connection using the parameters provided by crypto_inbound
|
||||
/* accept an incoming connection using the parameters provided by crypto_inbound
|
||||
return -1 if not successful
|
||||
returns the crypt_connection_id if successful */
|
||||
int accept_crypto_inbound(int connection_id, uint8_t *public_key, uint8_t * secret_nonce, uint8_t *session_key);
|
||||
int accept_crypto_inbound(int connection_id, uint8_t *public_key, uint8_t * secret_nonce, uint8_t *session_key);
|
||||
|
||||
/* return 0 if no connection, 1 we have sent a handshake, 2 if connexion is not confirmed yet
|
||||
/* return 0 if no connection, 1 we have sent a handshake, 2 if connexion is not confirmed yet
|
||||
(we have received a handshake but no empty data packet), 3 if the connection is established.
|
||||
4 if the connection is timed out and waiting to be killed */
|
||||
int is_cryptoconnected(int crypt_connection_id);
|
||||
int is_cryptoconnected(int crypt_connection_id);
|
||||
|
||||
|
||||
/* Generate our public and private keys
|
||||
/* Generate our public and private keys
|
||||
Only call this function the first time the program starts. */
|
||||
void new_keys();
|
||||
void new_keys();
|
||||
|
||||
/* save the public and private keys to the keys array
|
||||
/* save the public and private keys to the keys array
|
||||
Length must be crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES */
|
||||
void save_keys(uint8_t * keys);
|
||||
void save_keys(uint8_t * keys);
|
||||
|
||||
/* load the public and private keys from the keys array
|
||||
/* load the public and private keys from the keys array
|
||||
Length must be crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES */
|
||||
void load_keys(uint8_t * keys);
|
||||
void load_keys(uint8_t * keys);
|
||||
|
||||
/* run this to (re)initialize net_crypto
|
||||
/* run this to (re)initialize net_crypto
|
||||
sets all the global connection variables to their default values. */
|
||||
void initNetCrypto();
|
||||
void initNetCrypto();
|
||||
|
||||
/* main loop */
|
||||
void doNetCrypto();
|
||||
/* main loop */
|
||||
void doNetCrypto();
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
|
|
@ -27,7 +27,7 @@
|
|||
uint64_t current_time()
|
||||
{
|
||||
uint64_t time;
|
||||
#ifdef WIN32
|
||||
#ifdef WIN32
|
||||
/* This probably works fine */
|
||||
FILETIME ft;
|
||||
GetSystemTimeAsFileTime(&ft);
|
||||
|
@ -36,24 +36,24 @@ uint64_t current_time()
|
|||
time |= ft.dwLowDateTime;
|
||||
time -= 116444736000000000UL;
|
||||
return time/10;
|
||||
#else
|
||||
#else
|
||||
struct timeval a;
|
||||
gettimeofday(&a, NULL);
|
||||
time = 1000000UL*a.tv_sec + a.tv_usec;
|
||||
return time;
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
/* return a random number
|
||||
NOTE: this function should probably not be used where cryptographic randomness is absolutely necessary */
|
||||
uint32_t random_int()
|
||||
{
|
||||
#ifndef VANILLA_NACL
|
||||
#ifndef VANILLA_NACL
|
||||
//NOTE: this function comes from libsodium
|
||||
return randombytes_random();
|
||||
#else
|
||||
#else
|
||||
return random();
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
/* our UDP socket, a global variable. */
|
||||
|
@ -74,11 +74,11 @@ int sendpacket(IP_Port ip_port, uint8_t * data, uint32_t length)
|
|||
int receivepacket(IP_Port * ip_port, uint8_t * data, uint32_t * length)
|
||||
{
|
||||
ADDR addr;
|
||||
#ifdef WIN32
|
||||
#ifdef WIN32
|
||||
int addrlen = sizeof(addr);
|
||||
#else
|
||||
#else
|
||||
uint32_t addrlen = sizeof(addr);
|
||||
#endif
|
||||
#endif
|
||||
(*(int32_t*)length) = recvfrom(sock,(char*) data, MAX_UDP_PACKET_SIZE, 0, (struct sockaddr*)&addr, &addrlen);
|
||||
if (*(int32_t*)length <= 0)
|
||||
return -1; /* nothing received or empty packet */
|
||||
|
@ -96,26 +96,26 @@ int receivepacket(IP_Port * ip_port, uint8_t * data, uint32_t * length)
|
|||
returns -1 if there are problems */
|
||||
int init_networking(IP ip, uint16_t port)
|
||||
{
|
||||
#ifdef WIN32
|
||||
#ifdef WIN32
|
||||
WSADATA wsaData;
|
||||
if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
|
||||
return -1;
|
||||
#else
|
||||
#else
|
||||
srandom((uint32_t)current_time());
|
||||
#endif
|
||||
#endif
|
||||
srand((uint32_t)current_time());
|
||||
|
||||
/* initialize our socket */
|
||||
sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
||||
|
||||
/* Check for socket error */
|
||||
#ifdef WIN32
|
||||
#ifdef WIN32
|
||||
if (sock == INVALID_SOCKET) /* MSDN recommends this */
|
||||
return -1;
|
||||
#else
|
||||
#else
|
||||
if (sock < 0)
|
||||
return -1;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Functions to increase the size of the send and receive UDP buffers
|
||||
NOTE: uncomment if necessary */
|
||||
|
@ -135,14 +135,14 @@ int init_networking(IP ip, uint16_t port)
|
|||
setsockopt(sock, SOL_SOCKET, SO_BROADCAST, (char*)&broadcast, sizeof(broadcast));
|
||||
|
||||
/* Set socket nonblocking */
|
||||
#ifdef WIN32
|
||||
#ifdef WIN32
|
||||
/* I think this works for windows */
|
||||
u_long mode = 1;
|
||||
/* ioctl(sock, FIONBIO, &mode); */
|
||||
ioctlsocket(sock, FIONBIO, &mode);
|
||||
#else
|
||||
#else
|
||||
fcntl(sock, F_SETFL, O_NONBLOCK, 1);
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Bind our socket to port PORT and address 0.0.0.0 */
|
||||
ADDR addr = {AF_INET, htons(port), ip};
|
||||
|
@ -155,12 +155,12 @@ int init_networking(IP ip, uint16_t port)
|
|||
/* function to cleanup networking stuff */
|
||||
void shutdown_networking()
|
||||
{
|
||||
#ifdef WIN32
|
||||
#ifdef WIN32
|
||||
closesocket(sock);
|
||||
WSACleanup();
|
||||
#else
|
||||
#else
|
||||
close(sock);
|
||||
#endif
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
|
@ -69,63 +69,63 @@ extern "C" {
|
|||
|
||||
#define MAX_UDP_PACKET_SIZE 65507
|
||||
|
||||
typedef union {
|
||||
typedef union {
|
||||
uint8_t c[4];
|
||||
uint16_t s[2];
|
||||
uint32_t i;
|
||||
} IP;
|
||||
} IP;
|
||||
|
||||
typedef struct {
|
||||
typedef struct {
|
||||
IP ip;
|
||||
uint16_t port;
|
||||
/* not used for anything right now */
|
||||
uint16_t padding;
|
||||
} IP_Port;
|
||||
} IP_Port;
|
||||
|
||||
typedef struct {
|
||||
typedef struct {
|
||||
int16_t family;
|
||||
uint16_t port;
|
||||
IP ip;
|
||||
uint8_t zeroes[8];
|
||||
#ifdef ENABLE_IPV6
|
||||
#ifdef ENABLE_IPV6
|
||||
uint8_t zeroes2[12];
|
||||
#endif
|
||||
} ADDR;
|
||||
#endif
|
||||
} ADDR;
|
||||
|
||||
/* returns current time in milleseconds since the epoch. */
|
||||
uint64_t current_time();
|
||||
/* returns current time in milleseconds since the epoch. */
|
||||
uint64_t current_time();
|
||||
|
||||
/* return a random number
|
||||
/* return a random number
|
||||
NOTE: this function should probably not be used where cryptographic randomness is absolutely necessary */
|
||||
uint32_t random_int();
|
||||
uint32_t random_int();
|
||||
|
||||
/* Basic network functions: */
|
||||
/* Basic network functions: */
|
||||
|
||||
/* Function to send packet(data) of length length to ip_port */
|
||||
int sendpacket(IP_Port ip_port, uint8_t *data, uint32_t length);
|
||||
/* Function to send packet(data) of length length to ip_port */
|
||||
int sendpacket(IP_Port ip_port, uint8_t *data, uint32_t length);
|
||||
|
||||
/* Function to receive data, ip and port of sender is put into ip_port
|
||||
/* Function to receive data, ip and port of sender is put into ip_port
|
||||
the packet data into data
|
||||
the packet length into length. */
|
||||
int receivepacket(IP_Port *ip_port, uint8_t *data, uint32_t *length);
|
||||
int receivepacket(IP_Port *ip_port, uint8_t *data, uint32_t *length);
|
||||
|
||||
/* initialize networking
|
||||
/* 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
|
||||
returns -1 if there were problems */
|
||||
int init_networking(IP ip, uint16_t port);
|
||||
int init_networking(IP ip, uint16_t port);
|
||||
|
||||
/* function to cleanup networking stuff(doesn't do much right now) */
|
||||
void shutdown_networking();
|
||||
/* function to cleanup networking stuff(doesn't do much right now) */
|
||||
void shutdown_networking();
|
||||
|
||||
/* resolves provided address to a binary data in network byte order
|
||||
/* resolves provided address to a binary data in network byte order
|
||||
address is ASCII null terminated string
|
||||
address should represent IPv4, IPv6 or a hostname
|
||||
on success returns a data in network byte order that can be used to set IP.i or IP_Port.ip.i
|
||||
on failure returns -1 */
|
||||
int resolve_addr(char *address);
|
||||
int resolve_addr(char *address);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue
Block a user