socket.h

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#ifndef __SOCKET_H__
#define __SOCKET_H__
 
#include <stdint.h>
#include <Fs/vfs.h>
#include <stack.h>
#include <list.h>
 
#define AF_UNSPEC 0
#define AF_INET 1
#define AF_RAW 2
#define AF_INET6 3
 
#define SOCK_STREAM 1
#define SOCK_DGRAM  2
#define SOCK_RAW    3
 
#define IPPROTOCOL_ICMP 1
#define IPPROTOCOL_TCP  6
#define IPPROTOCOL_UDP  17
#define IPPROTOCOL_ICMPV6 58
 
/* IO Control Codes */
//Routing Table codes
#define SOCK_ROUTE_TABLE_ADD 0x120
#define SOCK_ROUTE_TABLE_DELETE 0x121
#define SOCK_ROUTE_TABLE_GETNUMENTRY 0x122
#define SOCK_ROUTE_TABLE_GETENTRY 0x123
#define SOCK_ADD_DNS_SERVER 0x124
#define SOCK_GET_DNS_SERVER 0x125
 
 
typedef size_t socklen_t;
 
 
typedef struct _sockaddr_ {
    unsigned short sa_family;  //address family
    char           sa_data[14];
}sockaddr;
 
typedef struct _addrinfo_ {
    int ai_flags;
    int ai_family;
    int ai_socktype;
    int ai_protocol;
    socklen_t ai_addrlen;
    sockaddr *ai_addr;
    char *ai_canonname;
    struct _addinfo_* ai_next;
}addrinfo;
 
typedef struct _iovec_ {
    void* iov_base;
    size_t iov_len;
}iovec;
 
typedef struct _msghdr_ {
    void* msg_name;
    socklen_t msg_namelen;
    iovec *msg_iov;
    size_t msg_iovlen;
    void* msg_control;
    size_t msg_controllen;
    int msg_flags;
}msghdr;
 
 
#define SOCK_STATE_CONNECTION_RST 0
#define SOCK_STATE_WAITING_FOR_CONNECTION 1
#define SOCK_STATE_CONNECTED 2
#define SOCK_STATE_CLOSED 3
 
#ifdef ARCH_X64
#pragma pack(push,1)
#endif
typedef struct _socket_ {
    void* binedDev;
    AuStack *rxstack;
    uint16_t sessionPort;
    uint8_t sockState;
    unsigned packID;
    uint16_t ipv4Iden;
    int(*receive)(struct _socket_* sock, msghdr *msg, int flags);
    int(*send)(struct _socket_* sock, msghdr* msg, int flags);
    void(*close)(struct _socket_* sock);
    int(*connect)(struct _socket_* sock, sockaddr* addr, socklen_t addrlen);
    int(*bind)(struct _socket_* sock, sockaddr* addr, socklen_t addrlen);
    int(*listen)(struct _socket_* sock, int backlog);
    int(*accept)(struct _socket_* sock, sockaddr* addr, socklen_t* addrlen);
    void* proto;
}AuSocket;
#ifdef ARCH_X64
#pragma pack(pop)
#endif
 
typedef uint32_t in_addr_t;
typedef uint16_t in_port_t;
 
struct in_addr {
    in_addr_t s_addr;
};
 
typedef struct _sockaddr_in_ {
    short sin_family;
    unsigned short sin_port;
    struct in_addr sin_addr;
    char sin_zero[8];
}sockaddr_in;
 
struct in6_addr {
    uint8_t s6_addr[16];
};
 
typedef struct _sockaddr_in6_ {
    short sin6_family;
    unsigned short sin6_port;
    uint32_t sin6_flowinfo;
    struct in6_addr sin6_addr;
    uint32_t sin6_scope_id;
}sockaddr_in6;
 
 
extern AuSocket* AuNetCreateSocket();
/*
 * AuSocketAdd -- add some data to socket
 * @param sock -- Pointer to the socket
 * @param data -- data to add
 * @param sz -- Size of the data
 */
extern void AuSocketAdd(AuSocket* sock, void* data, size_t sz);
 
/*
 * AuSocketGet -- retreives previously stacked
 * data from the socket
 * @param sock -- Pointer to the socket
 */
extern void* AuSocketGet(AuSocket* sock);
/*
* AuSocketInstall -- install the socket
* interface
*/
extern void AuSocketInstall();
/*
* AuCreateSocket -- create a new socket for specific
* domain
* @param domain -- domain type -- IPV4_INET, RAW or IPV6_INET
* @param type -- type
* @param protocol -- protocol version
*/
extern int AuCreateSocket(int domain, int type, int protocol);
 
extern int AuSocketSetOpt(int sockfd, int level, int optname, const void* optval, socklen_t optlen);
 
/*
* AuRawSocketGetList -- get raw socket list
*/
extern list_t* AuRawSocketGetList();
 
 
/*
 * SocketIOControl -- Global socket io control function
 * @param file -- Pointer to the socket file
 * @param code -- IO Control Code
 * @param arg -- extra argument
 */
extern int SocketIOControl(AuVFSNode* file, int code, void* arg);
 
#endif