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84004dbf RS |
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 | ||
18 | #define _GNU_SOURCE | |
19 | #include <stdio.h> | |
20 | #include <stdarg.h> | |
21 | #include <unistd.h> | |
22 | #include <string.h> | |
23 | #include <strings.h> | |
98f5fee8 M |
24 | #include <stdlib.h> |
25 | #include <rpc/rpc.h> | |
84004dbf RS |
26 | #include <rpc/xdr.h> |
27 | #include "slist.h" | |
28 | #include "libnfs.h" | |
29 | #include "libnfs-raw.h" | |
30 | #include "libnfs-private.h" | |
31 | ||
32 | struct rpc_context *rpc_init_context(void) | |
33 | { | |
34 | struct rpc_context *rpc; | |
35 | ||
36 | rpc = malloc(sizeof(struct rpc_context)); | |
37 | if (rpc == NULL) { | |
84004dbf RS |
38 | return NULL; |
39 | } | |
40 | bzero(rpc, sizeof(struct rpc_context)); | |
41 | ||
42 | rpc->encodebuflen = 65536; | |
43 | rpc->encodebuf = malloc(rpc->encodebuflen); | |
44 | if (rpc->encodebuf == NULL) { | |
84004dbf RS |
45 | free(rpc); |
46 | return NULL; | |
47 | } | |
48 | ||
49 | rpc->auth = authunix_create_default(); | |
50 | if (rpc->auth == NULL) { | |
84004dbf RS |
51 | free(rpc->encodebuf); |
52 | free(rpc); | |
53 | return NULL; | |
54 | } | |
55 | rpc->xid = 1; | |
56 | rpc->fd = -1; | |
57 | ||
58 | return rpc; | |
59 | } | |
60 | ||
61 | ||
9e00b8c6 RS |
62 | struct rpc_context *rpc_init_udp_context(void) |
63 | { | |
64 | struct rpc_context *rpc; | |
65 | ||
66 | rpc = rpc_init_context(); | |
67 | if (rpc != NULL) { | |
68 | rpc->is_udp = 1; | |
69 | } | |
70 | ||
71 | return rpc; | |
72 | } | |
73 | ||
84004dbf RS |
74 | void rpc_set_auth(struct rpc_context *rpc, struct AUTH *auth) |
75 | { | |
76 | if (rpc->auth != NULL) { | |
77 | auth_destroy(rpc->auth); | |
78 | } | |
79 | rpc->auth = auth; | |
80 | } | |
81 | ||
82 | ||
83 | void rpc_set_error(struct rpc_context *rpc, char *error_string, ...) | |
84 | { | |
85 | va_list ap; | |
86 | char *str; | |
87 | ||
88 | if (rpc->error_string != NULL) { | |
89 | free(rpc->error_string); | |
90 | } | |
91 | va_start(ap, error_string); | |
92 | vasprintf(&str, error_string, ap); | |
93 | rpc->error_string = str; | |
94 | va_end(ap); | |
95 | } | |
96 | ||
97 | char *rpc_get_error(struct rpc_context *rpc) | |
98 | { | |
99 | return rpc->error_string; | |
100 | } | |
101 | ||
102 | void rpc_error_all_pdus(struct rpc_context *rpc, char *error) | |
103 | { | |
104 | struct rpc_pdu *pdu; | |
105 | ||
106 | while((pdu = rpc->outqueue) != NULL) { | |
107 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); | |
108 | SLIST_REMOVE(&rpc->outqueue, pdu); | |
109 | rpc_free_pdu(rpc, pdu); | |
110 | } | |
111 | while((pdu = rpc->waitpdu) != NULL) { | |
112 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); | |
113 | SLIST_REMOVE(&rpc->waitpdu, pdu); | |
114 | rpc_free_pdu(rpc, pdu); | |
115 | } | |
116 | } | |
117 | ||
118 | ||
119 | void rpc_destroy_context(struct rpc_context *rpc) | |
120 | { | |
121 | struct rpc_pdu *pdu; | |
122 | ||
123 | while((pdu = rpc->outqueue) != NULL) { | |
124 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); | |
125 | SLIST_REMOVE(&rpc->outqueue, pdu); | |
126 | rpc_free_pdu(rpc, pdu); | |
127 | } | |
128 | while((pdu = rpc->waitpdu) != NULL) { | |
129 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); | |
130 | SLIST_REMOVE(&rpc->waitpdu, pdu); | |
131 | rpc_free_pdu(rpc, pdu); | |
132 | } | |
133 | ||
134 | auth_destroy(rpc->auth); | |
135 | rpc->auth =NULL; | |
136 | ||
137 | if (rpc->fd != -1) { | |
138 | close(rpc->fd); | |
139 | } | |
140 | ||
141 | if (rpc->encodebuf != NULL) { | |
142 | free(rpc->encodebuf); | |
143 | rpc->encodebuf = NULL; | |
144 | } | |
145 | ||
146 | if (rpc->error_string != NULL) { | |
147 | free(rpc->error_string); | |
148 | rpc->error_string = NULL; | |
149 | } | |
150 | ||
7ff2f3a0 RS |
151 | if (rpc->udp_dest != NULL) { |
152 | free(rpc->udp_dest); | |
153 | rpc->udp_dest = NULL; | |
154 | } | |
155 | ||
84004dbf RS |
156 | free(rpc); |
157 | } | |
158 | ||
159 |