9863b0cded8edf702cac2d7a4987e2d6fc3a11ca
[deb_libnfs.git] / include / libnfs-private.h
1 /*
2 Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17 #include <rpc/auth.h>
18
19 struct rpc_context {
20 int fd;
21 int is_connected;
22
23 char *error_string;
24
25 rpc_cb connect_cb;
26 void *connect_data;
27
28 AUTH *auth;
29 unsigned long xid;
30
31 /* buffer used for encoding RPC PDU */
32 char *encodebuf;
33 int encodebuflen;
34
35 struct rpc_pdu *outqueue;
36 struct rpc_pdu *waitpdu;
37
38 int inpos;
39 int insize;
40 char *inbuf;
41
42 /* special fields for UDP, which can sometimes be BROADCASTed */
43 int is_udp;
44 };
45
46 struct rpc_pdu {
47 struct rpc_pdu *next;
48
49 unsigned long xid;
50 XDR xdr;
51
52 int written;
53 struct rpc_data outdata;
54
55 rpc_cb cb;
56 void *private_data;
57
58 /* function to decode the xdr reply data and buffer to decode into */
59 xdrproc_t xdr_decode_fn;
60 caddr_t xdr_decode_buf;
61 int xdr_decode_bufsize;
62 };
63
64 struct rpc_pdu *rpc_allocate_pdu(struct rpc_context *rpc, int program, int version, int procedure, rpc_cb cb, void *private_data, xdrproc_t xdr_decode_fn, int xdr_bufsize);
65 void rpc_free_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
66 int rpc_queue_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
67 int rpc_get_pdu_size(char *buf);
68 int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size);
69 void rpc_error_all_pdus(struct rpc_context *rpc, char *error);
70
71 void rpc_set_error(struct rpc_context *rpc, char *error_string, ...);
72 void nfs_set_error(struct nfs_context *nfs, char *error_string, ...);
73
74 struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs);
75
76 struct rpc_context *rpc_init_udp_context(void);