svcsock.h
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上传日期:2009-04-28
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- /*
- * linux/include/linux/sunrpc/svcsock.h
- *
- * RPC server socket I/O.
- *
- * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
- */
- #ifndef SUNRPC_SVCSOCK_H
- #define SUNRPC_SVCSOCK_H
- #include <linux/sunrpc/svc.h>
- /*
- * RPC server socket.
- */
- struct svc_sock {
- struct list_head sk_ready; /* list of ready sockets */
- struct list_head sk_list; /* list of all sockets */
- struct socket * sk_sock; /* berkeley socket layer */
- struct sock * sk_sk; /* INET layer */
- struct svc_serv * sk_server; /* service for this socket */
- unsigned int sk_inuse; /* use count */
- unsigned long sk_flags;
- #define SK_BUSY 0 /* enqueued/receiving */
- #define SK_CONN 1 /* conn pending */
- #define SK_CLOSE 2 /* dead or dying */
- #define SK_DATA 3 /* data pending */
- #define SK_TEMP 4 /* temp (TCP) socket */
- #define SK_DEAD 6 /* socket closed */
- #define SK_CHNGBUF 7 /* need to change snd/rcv buffer sizes */
- #define SK_DEFERRED 8 /* request on sk_deferred */
- int sk_reserved; /* space on outq that is reserved */
- struct list_head sk_deferred; /* deferred requests that need to
- * be revisted */
- struct semaphore sk_sem; /* to serialize sending data */
- int (*sk_recvfrom)(struct svc_rqst *rqstp);
- int (*sk_sendto)(struct svc_rqst *rqstp);
- /* We keep the old state_change and data_ready CB's here */
- void (*sk_ostate)(struct sock *);
- void (*sk_odata)(struct sock *, int bytes);
- void (*sk_owspace)(struct sock *);
- /* private TCP part */
- int sk_reclen; /* length of record */
- int sk_tcplen; /* current read length */
- time_t sk_lastrecv; /* time of last received request */
- };
- /*
- * Function prototypes.
- */
- int svc_makesock(struct svc_serv *, int, unsigned short);
- void svc_delete_socket(struct svc_sock *);
- int svc_recv(struct svc_serv *, struct svc_rqst *, long);
- int svc_send(struct svc_rqst *);
- void svc_drop(struct svc_rqst *);
- void svc_sock_update_bufs(struct svc_serv *serv);
- #endif /* SUNRPC_SVCSOCK_H */