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https://github.com/irungentoo/toxcore.git
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Merge pull request #247 from Jeffail/master
Refactored most of DHT.c, added local vim config
This commit is contained in:
irungentoo
commit
368ba8ed01
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_vimrc_local.vim
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9
_vimrc_local.vim
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@ -0,0 +1,9 @@
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" => Text, tab and indent related
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"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Use spaces instead of tabs
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set expandtab
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" 1 tab == 4 spaces
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set shiftwidth=4
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set tabstop=4
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106
core/DHT.c
106
core/DHT.c
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@ -21,28 +21,68 @@
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*
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*/
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/*----------------------------------------------------------------------------------*/
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#include "DHT.h"
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/* maximum number of clients stored per friend. */
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#define MAX_FRIEND_CLIENTS 8
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/* A list of the clients mathematically closest to ours. */
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#define LCLIENT_LIST 32
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/* The list of ip ports along with the ping_id of what we sent them and a timestamp */
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#define LPING_ARRAY 256
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#define LSEND_NODES_ARRAY LPING_ARRAY/2
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/* the number of seconds for a non responsive node to become bad. */
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#define BAD_NODE_TIMEOUT 70
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/* the max number of nodes to send with send nodes. */
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#define MAX_SENT_NODES 8
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/* ping timeout in seconds */
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#define PING_TIMEOUT 5
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/* The timeout after which a node is discarded completely. */
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#define Kill_NODE_TIMEOUT 300
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/* ping interval in seconds for each node in our lists. */
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#define PING_INTERVAL 60
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/* ping interval in seconds for each random sending of a get nodes request. */
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#define GET_NODE_INTERVAL 10
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#define MAX_PUNCHING_PORTS 32
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/*Interval in seconds between punching attempts*/
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#define PUNCH_INTERVAL 10
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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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uint32_t last_pinged;
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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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/* Returned by this node. Either our friend or us */
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IP_Port ret_ip_port;
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uint32_t ret_timestamp;
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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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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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/*Symetric NAT hole punching stuff*/
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uint8_t hole_punching; /*0 if not hole punching, 1 if currently hole punching */
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/* time at which the last get_nodes request was sent. */
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uint32_t lastgetnode;
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/* Symetric NAT hole punching stuff */
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/* 1 if currently hole punching, otherwise 0 */
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uint8_t hole_punching;
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uint32_t punching_index;
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uint32_t punching_timestamp;
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uint32_t recvNATping_timestamp;
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@ -59,30 +99,21 @@ 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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/* Our client id/public key */
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/*----------------------------------------------------------------------------------*/
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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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uint8_t self_secret_key[crypto_box_SECRETKEYBYTES];
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/* TODO: Move these out of here and put them into the .c file.
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A list of the clients mathematically closest to ours. */
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#define LCLIENT_LIST 32
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static Client_data close_clientlist[LCLIENT_LIST];
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static Friend * friends_list;
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static uint16_t num_friends;
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/* The list of ip ports along with the ping_id of what we sent them and a timestamp */
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#define LPING_ARRAY 256
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static Pinged pings[LPING_ARRAY];
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#define LSEND_NODES_ARRAY LPING_ARRAY/2
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static Pinged send_nodes[LSEND_NODES_ARRAY];
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/*----------------------------------------------------------------------------------*/
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/* Compares client_id1 and client_id2 with client_id
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return 0 if both are same distance
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return 1 if client_id1 is closer
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@ -150,11 +181,6 @@ static int friend_number(uint8_t * client_id)
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return -1;
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}
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/* the number of seconds for a non responsive node to become bad. */
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#define BAD_NODE_TIMEOUT 70
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/* the max number of nodes to send with send nodes. */
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#define MAX_SENT_NODES 8
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/* Find MAX_SENT_NODES nodes closest to the client_id for the send nodes request:
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put them in the nodes_list and return how many were found.
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TODO: Make this function much more efficient. */
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@ -281,9 +307,6 @@ void returnedip_ports(IP_Port ip_port, uint8_t * client_id, uint8_t * nodeclient
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}
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}
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/* ping timeout in seconds */
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#define PING_TIMEOUT 5
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/* check if we are currently pinging an ip_port and/or a ping_id
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variables with values of zero will not be checked.
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if we are already, return 1
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@ -619,7 +642,8 @@ int handle_sendnodes(uint8_t * packet, uint32_t length, IP_Port source)
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return 0;
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}
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/* END of packet handling functions */
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/*----------------------------------------------------------------------------------*/
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/*------------------------END of packet handling functions--------------------------*/
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int DHT_addfriend(uint8_t * client_id)
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{
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@ -676,15 +700,6 @@ IP_Port DHT_getfriendip(uint8_t * client_id)
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}
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/* The timeout after which a node is discarded completely. */
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#define Kill_NODE_TIMEOUT 300
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/* ping interval in seconds for each node in our lists. */
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#define PING_INTERVAL 60
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/* ping interval in seconds for each random sending of a get nodes request. */
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#define GET_NODE_INTERVAL 10
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/* Ping each client in the "friends" list every 60 seconds.
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Send a get nodes request every 20 seconds to a random good node for each "friend" in our "friends" list. */
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void doDHTFriends()
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@ -855,7 +870,8 @@ int friend_ips(IP_Port * ip_portlist, uint8_t * friend_id)
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return -1;
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}
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/*BEGINNING OF NAT PUNCHING FUNCTIONS*/
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/*----------------------------------------------------------------------------------*/
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/*---------------------BEGINNING OF NAT PUNCHING FUNCTIONS--------------------------*/
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int send_NATping(uint8_t * public_key, uint64_t ping_id, uint8_t type)
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{
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@ -955,8 +971,6 @@ static uint16_t NAT_getports(uint16_t * portlist, IP_Port * ip_portlist, uint16_
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return num;
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}
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#define MAX_PUNCHING_PORTS 32
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static void punch_holes(IP ip, uint16_t * port_list, uint16_t numports, uint16_t friend_num)
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{
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if(numports > MAX_FRIEND_CLIENTS || numports == 0)
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@ -972,9 +986,6 @@ static void punch_holes(IP ip, uint16_t * port_list, uint16_t numports, uint16_t
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friends_list[friend_num].punching_index = i;
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}
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/*Interval in seconds between punching attempts*/
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#define PUNCH_INTERVAL 10
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static void doNAT()
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{
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uint32_t i;
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@ -1008,7 +1019,8 @@ static void doNAT()
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}
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}
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/*END OF NAT PUNCHING FUNCTIONS*/
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/*----------------------------------------------------------------------------------*/
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/*-----------------------END OF NAT PUNCHING FUNCTIONS------------------------------*/
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int DHT_handlepacket(uint8_t * packet, uint32_t length, IP_Port source)
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{
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