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#ifndef SOCKET_H
#define SOCKET_H
#include <fs/fifo.h>
#include <fs/vfs.h>
#include <lib/buffered_write.h>
#include <lib/stack.h>
#include <stddef.h>
#include <typedefs.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
u32 gen_ipv4(u8 i1, u8 i2, u8 i3, u8 i4);
u32 tcp_connect_ipv4(u32 ip, u16 port, int *error);
u32 tcp_listen_ipv4(u32 ip, u16 port, int *error);
u32 tcp_accept(u32 listen_socket, int *error);
int tcp_write(u32 socket, const u8 *buffer, u64 len, u64 *out);
int tcp_read(u32 socket, u8 *buffer, u64 buffer_size, u64 *out);
struct TcpListen {
u32 ip;
u16 port;
struct stack incoming_connections;
};
struct TcpConnection {
int dead;
u16 incoming_port;
u32 outgoing_ip;
u16 outgoing_port;
int unhandled_packet;
FIFO_FILE *data_file;
u32 seq;
u32 ack;
int handshake_state;
};
struct TcpConnection *internal_tcp_incoming(u32 src_ip, u16 src_port,
u32 dst_ip, u16 dst_port);
struct TcpConnection *tcp_find_connection(u16 port);
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 {
u32 address;
u16 port;
SOCKET *s;
} OPEN_INET_SOCKET;
typedef u32 in_addr_t;
typedef u16 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 {
u32 s_addr;
u8 a[4];
} sin_addr;
u16 sin_port;
};
struct sockaddr_un {
sa_family_t sun_family; /* Address family */
char *sun_path; /* Socket pathname */
};
OPEN_INET_SOCKET *find_open_udp_port(u16 port);
OPEN_INET_SOCKET *find_open_tcp_port(u16 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(u8 ip[4], u16 n_port, u16 dst_port);
struct INCOMING_TCP_CONNECTION *get_incoming_tcp_connection(u8 ip[4],
u16 n_port);
#endif
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