phone.h

一款基于GTK的internet phone 程序。程序分为服务器端和客户端两部分。服务器端维护用户的IP

#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <time.h>
#include <netdb.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <string.h>

typedef unsigned char uchar;

#define MAXNAMESIZE 64
#define UPDATETIME 60
#define IPADDRSIZE 4
#define IPPORTSIZE 2
#define PORT 12333
#define MAXTALKTRIES 10
#define TALKTRYDELAY 5

#define HASHSIZE 8
#define KEYSIZE 8


// change following as structure changes with ipv6 or whatever
#define STATSIZE (MAXNAMESIZE+12)

#define CODE_IAM 1
#define CODE_CALL 2
#define CODE_ENTRY 3
#define CODE_WHO 4
#define CODE_SOUND 5
#define CODE_TALK 6
#define CODE_BYE 7
#define CODE_IAMNOT 8
#define CODE_CRYPT 9
#define CODE_ADD 10
#define CODE_REMOVE 11
#define CODE_LIST 12
#define CODE_NAME 13
#define CODE_INVALID 14
#define CODE_EMPTY 15
#define CODE_UNKNOWN 16
#define CODE_NOONE 17

struct alias
{
	struct alias *next;
	char from[MAXNAMESIZE];
	char to[MAXNAMESIZE];
};


/* snd.c */

extern void token(char *put, int len,char **take);
extern char username[MAXNAMESIZE];

/* rcfile.c */
extern void scanrcfile(char *rcname);
extern unsigned long idcode;
extern void listaliases(void);
extern struct alias *aliaslist;
extern char *findalias(char *name);
extern void addalias(char *from,char *to);

/* net.c */
void inittime(void);
unsigned long gtime2(void);
unsigned long gtime(void);
int getmyip(unsigned char *dest);
extern long timebase;
extern void nomem(int);
extern int udpsocket;
extern struct sockaddr_in sender,myname,servername,buddy;
extern unsigned char mesg[];
extern int putmsg(struct sockaddr_in *to,unsigned char *msg,int len);
extern int getmsg(int msec);
extern void encrypt1(unsigned char [],unsigned char [],unsigned char []);
extern void decrypt1(unsigned char [],unsigned char [],unsigned char []);
extern void encryptblock(uchar *data,int size,uchar *key);
extern void decryptblock(uchar *data,int size,uchar *key);
extern char *legalname(unsigned char *name);
extern void legalnameinit(void);
extern unsigned char specialkey[4];
extern void computehash(unsigned char *dest,unsigned char *name);
extern unsigned char mykey[8];
extern void getsocket(int);