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90 lines
1.4 KiB
C
90 lines
1.4 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <time.h>
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#ifdef WIN32
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//Put win32 includes here
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#include <windows.h>
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#include <winsock2.h>
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#else //Linux includes
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <errno.h>
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#endif
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typedef union
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{
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uint8_t c[4];
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uint16_t s[2];
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uint32_t i;
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}IP;
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typedef struct
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{
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IP ip;
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uint16_t port;
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}IP_Port;
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typedef struct
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{
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char client_id[32];
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IP_Port ip_port;
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uint32_t timestamp;
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}Client_data;
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typedef struct
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{
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char client_id[32];
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Client_data client_list[8];
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}Friend;
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//Add a new friend to the friends list
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//client_id must be 32 bytes long.
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void addfriend(char * client_id);
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//Delete a friend from the friends list
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//client_id must be 32 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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char delfriend(char * client_id);
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//Get ip of friend
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//client_id must be 32 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 of we have not found him yet.)
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IP_Port getfriendip(char * 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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//Global variables
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Client_data client_list[32];
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//Let's start with a static array for testing.
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Friend friends_list[256]
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