/*

* Definitions for virtual stack

*/

////

// Constants

////

#define LEVEL_LINK 2

#define LEVEL_NETWORK 3

#define LEVEL_TRANSPORT 4

#define PROCESS_INIT 0

#define PROCESS_DATA 1

#define PROCESS_CONNECT 2

#define PROCESS_CLOSE 3

#define PROCESS_ERROR 4

// COLORS

// ========

#define BLACK "\033[0;30m"

#define BLUE "\033[0;34m"

#define GREEN "\033[0;32m"

#define YELLOW "\033[0;33m"

#define RED "\033[0;31m"

#define MAGENTA "\033[0;35m"

#define BBLACK "\033[1;30m"

#define BBLUE "\033[1;34m"

#define BGREEN "\033[1;32m"

#define BYELLOW "\033[1;33m"

#define BRED "\033[1;31m"

#define BMAGENTA "\033[1;35m"

////

// Structures

////

typedef struct{

IPv4Address address;

int netmask;

} NetworkAddressesIPv4;

typedef struct{

int descriptor;

char name_int[ETHERNET_NAME_MAX_SIZE];

char name_tap[ETHERNET_NAME_MAX_SIZE];

int ether_in;

EthernetAddress ether_addr;

NetworkAddressesIPv4 *IPv4;

} EthernetInterface;

typedef struct{

EthernetAddress (*function)(IPv4Address);

} AddressResolutionModule;

typedef struct{

int level;

int identity;

unsigned char (*action_in)(EventsEvent *,EventsSelector *);

unsigned char (*action_out)(EventsEvent *,EventsSelector *);

int event_in;

int event_out;

} StackLayers;

typedef struct{

IPv4Address address;

short int port;

} SocketAddress;

typedef struct{

unsigned char protocol;

IPv4Address address;

short int port;

unsigned char (*process)(

unsigned char type,

SocketAddress to,SocketAddress from,

unsigned char *data,int size);

int event;

} StackProcess;

////

// Prototypes

////

EthernetInterface *stackFindDeviceByAddr(EthernetAddress src);

EthernetInterface *stackFindDeviceByName(char *name);

EthernetInterface *stackFindDeviceByIPv4(IPv4Address ip);

EthernetInterface *stackFindDeviceByIPv4Broadcast(IPv4Address ip);

EthernetInterface *stackFindDeviceByIPv4Network(IPv4Address ip);

void stackDisplayDevices(FILE *output);

StackLayers *stackFindProtoById(int level,int id);

EthernetAddress stackAddressResolution(IPv4Address address);

StackProcess *stackFindProcess(

unsigned char protocol,IPv4Address address,short int port);

unsigned char stackUDPSendDatagram(

IPv4Address to_ip,short int to_port,unsigned char *data,int size);