Simplify the upgrade path handling from PPA.
[deb_libnfs.git] / libnfs-private.h
... / ...
CommitLineData
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/xdr.h>
18#include <rpc/auth.h>
19
20struct rpc_fragment {
21 struct rpc_fragment *next;
22 uint64_t size;
23 char *data;
24};
25
26struct rpc_context {
27 int fd;
28 int is_connected;
29
30 char *error_string;
31
32 rpc_cb connect_cb;
33 void *connect_data;
34
35 AUTH *auth;
36 unsigned long xid;
37
38 /* buffer used for encoding RPC PDU */
39 char *encodebuf;
40 int encodebuflen;
41
42 struct rpc_pdu *outqueue;
43 struct sockaddr_storage udp_src;
44 struct rpc_pdu *waitpdu;
45
46 int inpos;
47 int insize;
48 char *inbuf;
49
50 /* special fields for UDP, which can sometimes be BROADCASTed */
51 int is_udp;
52 struct sockaddr *udp_dest;
53 int is_broadcast;
54
55 /* track the address we connect to so we can auto-reconnect on session failure */
56 struct sockaddr_storage s;
57 int auto_reconnect;
58
59 /* fragment reassembly */
60 struct rpc_fragment *fragments;
61};
62
63struct rpc_pdu {
64 struct rpc_pdu *next;
65
66 unsigned long xid;
67 XDR xdr;
68
69 int written;
70 struct rpc_data outdata;
71
72 rpc_cb cb;
73 void *private_data;
74
75 /* function to decode the xdr reply data and buffer to decode into */
76 xdrproc_t xdr_decode_fn;
77 caddr_t xdr_decode_buf;
78 int xdr_decode_bufsize;
79};
80
81struct 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);
82void rpc_free_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
83int rpc_queue_pdu(struct rpc_context *rpc, struct rpc_pdu *pdu);
84int rpc_get_pdu_size(char *buf);
85int rpc_process_pdu(struct rpc_context *rpc, char *buf, int size);
86void rpc_error_all_pdus(struct rpc_context *rpc, char *error);
87
88void rpc_set_error(struct rpc_context *rpc, char *error_string, ...);
89void nfs_set_error(struct nfs_context *nfs, char *error_string, ...);
90
91struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs);
92const char *nfs_get_server(struct nfs_context *nfs);
93const char *nfs_get_export(struct nfs_context *nfs);
94
95/* we dont want to expose UDP to normal applications/users this is private to libnfs to use exclusively for broadcast RPC */
96int rpc_bind_udp(struct rpc_context *rpc, char *addr, int port);
97int rpc_set_udp_destination(struct rpc_context *rpc, char *addr, int port, int is_broadcast);
98struct rpc_context *rpc_init_udp_context(void);
99struct sockaddr *rpc_get_recv_sockaddr(struct rpc_context *rpc);
100
101void rpc_set_autoreconnect(struct rpc_context *rpc);
102void rpc_unset_autoreconnect(struct rpc_context *rpc);
103
104int rpc_add_fragment(struct rpc_context *rpc, char *data, uint64_t size);
105void rpc_free_all_fragments(struct rpc_context *rpc);
106