/* ========================================================================== */
/*                                                                            */
/*   server.h                                                                 */
/*   (c) 2008 jocelyne.lecomte@alcatel-lucent.fr                              */
/*                                                                            */
/*   Description                                                              */
/*                                                                            */
/* ========================================================================== */

#ifndef SERVER_H
#define SERVER_H

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>     /* close */
#include <netdb.h>      /* gethostbyname */

/* socket error */
#define INVALID_SOCKET  -1
#define SOCKET_ERROR    -1

/* somes values */
#define CRLF            "/r/n"
#define BUF_SIZE        1024
#define PORT            5004
#define MAX_CLIENTS     100

/* to be more explicit */
typedef int                 SOCKET;
typedef struct sockaddr_in  SOCKADDR_IN;
typedef struct sockaddr     SOCKADDR;
typedef struct in_addr      IN_ADDR;

/* clients */
typedef struct 
{
  SOCKADDR_IN sin;
  char name[BUF_SIZE];
}Client;

static int init_connection(void);
static void end_connection(SOCKET sock);
static int read_client(SOCKET sock, SOCKADDR_IN *sin, char *buffer);
static void write_client(SOCKET sock, SOCKADDR_IN *sin, const char* buffer);
static void send_msg_to_all_clients(SOCKET sock, Client *clients, Client *client, int actual, const char *buffer, char from_server);
static void remove_client(Client *clients, int to_remove, int *actual);
static check_if_client_exist(Client *clients, SOCKADDR_IN *csin, int actual);
static Client* get_client(Client *clients, SOCKADDR_IN *csin, int actual); 

void comm(void);



#endif