2 Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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.
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.
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/>.
17 #include <sys/socket.h> /* struct sockaddr_storage */
19 #include "libnfs-zdr.h"
22 struct rpc_fragment
*next
;
27 #define RPC_CONTEXT_MAGIC 0xc6e46435
42 /* buffer used for encoding RPC PDU */
46 struct rpc_pdu
*outqueue
;
47 struct sockaddr_storage udp_src
;
48 struct rpc_pdu
*waitpdu
;
54 /* special fields for UDP, which can sometimes be BROADCASTed */
56 struct sockaddr
*udp_dest
;
59 /* track the address we connect to so we can auto-reconnect on session failure */
60 struct sockaddr_storage s
;
63 /* fragment reassembly */
64 struct rpc_fragment
*fragments
;
74 struct rpc_data outdata
;
79 /* function to decode the zdr reply data and buffer to decode into */
80 zdrproc_t zdr_decode_fn
;
81 caddr_t zdr_decode_buf
;
82 uint32_t zdr_decode_bufsize
;
85 struct rpc_pdu
*rpc_allocate_pdu(struct rpc_context
*rpc
, int program
, int version
, int procedure
, rpc_cb cb
, void *private_data
, zdrproc_t zdr_decode_fn
, int zdr_bufsize
);
86 void rpc_free_pdu(struct rpc_context
*rpc
, struct rpc_pdu
*pdu
);
87 int rpc_queue_pdu(struct rpc_context
*rpc
, struct rpc_pdu
*pdu
);
88 int rpc_get_pdu_size(char *buf
);
89 int rpc_process_pdu(struct rpc_context
*rpc
, char *buf
, int size
);
90 void rpc_error_all_pdus(struct rpc_context
*rpc
, char *error
);
92 void rpc_set_error(struct rpc_context
*rpc
, char *error_string
, ...);
93 void nfs_set_error(struct nfs_context
*nfs
, char *error_string
, ...);
95 const char *nfs_get_server(struct nfs_context
*nfs
);
96 const char *nfs_get_export(struct nfs_context
*nfs
);
98 /* we dont want to expose UDP to normal applications/users this is private to libnfs to use exclusively for broadcast RPC */
99 int rpc_bind_udp(struct rpc_context
*rpc
, char *addr
, int port
);
100 int rpc_set_udp_destination(struct rpc_context
*rpc
, char *addr
, int port
, int is_broadcast
);
101 struct rpc_context
*rpc_init_udp_context(void);
102 struct sockaddr
*rpc_get_recv_sockaddr(struct rpc_context
*rpc
);
104 void rpc_set_autoreconnect(struct rpc_context
*rpc
);
105 void rpc_unset_autoreconnect(struct rpc_context
*rpc
);
107 int rpc_add_fragment(struct rpc_context
*rpc
, char *data
, uint64_t size
);
108 void rpc_free_all_fragments(struct rpc_context
*rpc
);
110 const struct nfs_fh3
*nfs_get_rootfh(struct nfs_context
*nfs
);