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#ifndef SOCKET_H
#define SOCKET_H
#include <fs/fifo.h>
#include <fs/vfs.h>
#include <stddef.h>
#include <stdint.h>
#define AF_UNIX 0
#define AF_INET 1
#define AF_LOCAL AF_UNIX
#define SOCK_DGRAM 0
#define SOCK_STREAM 1
#define INADDR_ANY 0
#define MSG_WAITALL 1
typedef struct {
vfs_fd_t *ptr_socket_fd;
FIFO_FILE *fifo_file;
int domain;
int type;
int protocol;
void *child;
// UNIX socket
char *path;
vfs_fd_t *incoming_fd;
} SOCKET;
typedef struct {
char *path;
SOCKET *s;
} OPEN_UNIX_SOCKET;
typedef struct {
uint32_t address;
uint16_t port;
SOCKET *s;
} OPEN_INET_SOCKET;
struct INCOMING_TCP_CONNECTION {
uint8_t ip[4];
uint16_t n_port;
uint16_t dst_port;
FIFO_FILE *data_file;
uint8_t is_used;
uint32_t ack_num;
uint32_t seq_num;
uint8_t connection_closed;
uint8_t requesting_connection_close;
};
typedef uint32_t in_addr_t;
typedef uint16_t in_port_t;
typedef unsigned int sa_family_t;
typedef int socklen_t;
struct sockaddr {
sa_family_t sa_family; /* Address family */
char *sa_data; /* Socket address */
};
struct sockaddr_in {
sa_family_t sin_family;
union {
uint32_t s_addr;
uint8_t a[4];
} sin_addr;
uint16_t sin_port;
};
struct sockaddr_un {
sa_family_t sun_family; /* Address family */
char *sun_path; /* Socket pathname */
};
OPEN_INET_SOCKET *find_open_udp_port(uint16_t port);
OPEN_INET_SOCKET *find_open_tcp_port(uint16_t port);
int uds_open(const char *path);
int socket(int domain, int type, int protocol);
int accept(int socket, struct sockaddr *address, socklen_t *address_len);
int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
struct INCOMING_TCP_CONNECTION *
handle_incoming_tcp_connection(uint8_t ip[4], uint16_t n_port,
uint16_t dst_port);
struct INCOMING_TCP_CONNECTION *get_incoming_tcp_connection(uint8_t ip[4],
uint16_t n_port);
#endif
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