blob: ba07d50cb11bdfc3b1843f51b214ba8932bfe81c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* 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>
#include <linux/sunrpc/svc_xprt.h>
/*
* RPC server socket.
*/
struct svc_sock {
struct svc_xprt sk_xprt;
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_pool * sk_pool; /* current pool iff queued */
struct svc_serv * sk_server; /* service for this socket */
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 */
#define SK_OLD 9 /* used for temp socket aging mark+sweep */
#define SK_DETACHED 10 /* detached from tempsocks list */
#define SK_LISTENER 11 /* listening endpoint */
atomic_t sk_reserved; /* space on outq that is reserved */
spinlock_t sk_lock; /* protects sk_deferred and
* sk_info_authunix */
struct list_head sk_deferred; /* deferred requests that need to
* be revisted */
struct mutex sk_mutex; /* to serialize sending data */
/* 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 */
/* cache of various info for TCP sockets */
void *sk_info_authunix;
struct sockaddr_storage sk_local; /* local address */
struct sockaddr_storage sk_remote; /* remote peer's address */
int sk_remotelen; /* length of address */
};
/*
* Function prototypes.
*/
void svc_force_close_socket(struct svc_sock *);
int svc_recv(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);
int svc_sock_names(char *buf, struct svc_serv *serv, char *toclose);
int svc_addsock(struct svc_serv *serv,
int fd,
char *name_return,
int *proto);
void svc_init_xprt_sock(void);
void svc_cleanup_xprt_sock(void);
/*
* svc_makesock socket characteristics
*/
#define SVC_SOCK_DEFAULTS (0U)
#define SVC_SOCK_ANONYMOUS (1U << 0) /* don't register with pmap */
#define SVC_SOCK_TEMPORARY (1U << 1) /* flag socket as temporary */
#endif /* SUNRPC_SVCSOCK_H */
|
