LSE/OS: lseos-srv/net/inet/udp.h Source File

00001 /*
00002 ** udp.h for  in /home/anoman/work/lse/atomix/lseos-net
00003 ** 
00004 ** Copyright (c)2004 Arthur Kopatsy
00005 ** Login   <kopats_a@epita.fr>
00006 ** 
00007 ** Started on  Fri Sep 17 10:31:59 2004 Arthur Kopatsy
00008 ** Last update Mon Dec 13 11:01:33 2004 Arthur Kopatsy
00009 */
00010 
00011 #ifndef UDP_H_
00012 #define UDP_H_
00013 
00014 #ifdef __INET__
00015 
00016 struct s_udp_pcb;
00017 
00018 struct s_udp_datagram
00019 {
00020   TAILQ_ENTRY(s_udp_datagram)   udp_next;
00021   struct s_udp_pcb              *udp_pcb;
00022   struct sockaddr_in            udp_sin;
00023   struct s_data_buf             *udp_data;
00024   int64_t                       udp_ar;
00025   size_t                        udp_data_size;
00026 };
00027 
00028 TAILQ_HEAD(s_udp_datagramq, s_udp_datagram);
00029 
00030 struct s_udp_pcb
00031 {
00032   LIST_ENTRY(s_udp_pcb)         udp_next;
00033   int                           udp_lock;  
00034   struct s_in_pcb               *udp_in_pcb;
00035   int64_t                       udp_holders;
00036 
00037   struct s_udp_datagramq        udp_rcvq;
00038   struct s_udp_datagramq        udp_sndq;
00039 };
00040 
00041 LIST_HEAD(s_udp_pcb_list, s_udp_pcb);
00042 
00043 struct s_udp_proto_info
00044 {
00045   struct s_in_pcb_list  in_pcb_list;
00046   struct s_udp_pcb_list udp_pcb_list;
00047 };
00048 
00049 extern struct s_udp_proto_info  udp_proto_info;
00050 
00051 #endif
00052 
00053 struct s_udp_hdr 
00054 {
00055   u_int16_t     udp_sp;
00056   u_int16_t     udp_dp;
00057   u_int16_t     udp_len;
00058   u_int16_t     udp_sum;
00059 };
00060 
00061 #define UDP_HEADER_LEN          sizeof (struct s_udp_hdr)
00062 
00063 /* PROTO udp.c udp_socket.c */
00064 #ifdef __INET__
00065 /* udp.c */
00066 void udp_proto_init(void);
00067 void udp_dump(struct s_pkbuf *pk);
00068 int aa_udp_send(struct s_udp_datagram *datagram);
00069 int udp_output(struct s_pkbuf *pk);
00070 int aa_udp_input(struct s_pkbuf *pk);
00071 int aa_udp_close(struct s_udp_pcb *pcb);
00072 /* udp_socket.c */
00073 int udp_detach(struct s_socket *so);
00074 int udp_attach(struct s_socket *so);
00075 int udp_poll(struct s_socket *so, t_pollrec *pollrec);
00076 int udp_bind(struct s_socket *so, struct sockaddr *sa, socklen_t salen);
00077 int udp_connect(struct s_socket *so, struct sockaddr *sa, socklen_t salen);
00078 int udp_send(struct s_socket *so, struct s_data_buf *data, size_t data_size, struct sockaddr *sa, socklen_t salen);
00079 size_t udp_recv(struct s_socket *so, pid_t pid, struct sockaddr *sa, socklen_t *salen, vaddr_t uaddr, size_t usize);
00080 int udp_getpeername(struct s_socket *so, struct sockaddr *sa, socklen_t *salen);
00081 int udp_getsockname(struct s_socket *so, struct sockaddr *sa, socklen_t *salen);
00082 #endif /* __INET__ */
00083 #endif