Diffstat (limited to 'kmicromail/libetpan/generic/mhdriver_message.c') (more/less context) (ignore whitespace changes)
-rw-r--r-- | kmicromail/libetpan/generic/mhdriver_message.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/kmicromail/libetpan/generic/mhdriver_message.c b/kmicromail/libetpan/generic/mhdriver_message.c new file mode 100644 index 0000000..2c023e7 --- a/dev/null +++ b/kmicromail/libetpan/generic/mhdriver_message.c | |||
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1 | /* | ||
2 | * libEtPan! -- a mail stuff library | ||
3 | * | ||
4 | * Copyright (C) 2001, 2002 - DINH Viet Hoa | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * Redistribution and use in source and binary forms, with or without | ||
8 | * modification, are permitted provided that the following conditions | ||
9 | * are met: | ||
10 | * 1. Redistributions of source code must retain the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer. | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in the | ||
14 | * documentation and/or other materials provided with the distribution. | ||
15 | * 3. Neither the name of the libEtPan! project nor the names of its | ||
16 | * contributors may be used to endorse or promote products derived | ||
17 | * from this software without specific prior written permission. | ||
18 | * | ||
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
29 | * SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | /* | ||
33 | * $Id$ | ||
34 | */ | ||
35 | |||
36 | #include "mhdriver_message.h" | ||
37 | |||
38 | #include "mailmessage_tools.h" | ||
39 | #include "mhdriver_tools.h" | ||
40 | #include "mhdriver.h" | ||
41 | #include "mailmh.h" | ||
42 | |||
43 | #include <unistd.h> | ||
44 | #include <sys/mman.h> | ||
45 | #include <sys/types.h> | ||
46 | #include <sys/stat.h> | ||
47 | #include <fcntl.h> | ||
48 | #include <string.h> | ||
49 | #include <stdlib.h> | ||
50 | |||
51 | static int mh_prefetch(mailmessage * msg_info); | ||
52 | |||
53 | static void mh_prefetch_free(struct generic_message_t * msg); | ||
54 | |||
55 | static int mh_initialize(mailmessage * msg_info); | ||
56 | |||
57 | static int mh_fetch_size(mailmessage * msg_info, | ||
58 | size_t * result); | ||
59 | |||
60 | static int mh_fetch_header(mailmessage * msg_info, | ||
61 | char ** result, | ||
62 | size_t * result_len); | ||
63 | |||
64 | static mailmessage_driver local_mh_message_driver = { | ||
65 | .msg_name = "mh", | ||
66 | |||
67 | .msg_initialize = mh_initialize, | ||
68 | .msg_uninitialize = mailmessage_generic_uninitialize, | ||
69 | |||
70 | .msg_flush = mailmessage_generic_flush, | ||
71 | .msg_check = NULL, | ||
72 | |||
73 | .msg_fetch_result_free = mailmessage_generic_fetch_result_free, | ||
74 | |||
75 | .msg_fetch = mailmessage_generic_fetch, | ||
76 | .msg_fetch_header = mh_fetch_header, | ||
77 | .msg_fetch_body = mailmessage_generic_fetch_body, | ||
78 | .msg_fetch_size = mh_fetch_size, | ||
79 | .msg_get_bodystructure = mailmessage_generic_get_bodystructure, | ||
80 | .msg_fetch_section = mailmessage_generic_fetch_section, | ||
81 | .msg_fetch_section_header = mailmessage_generic_fetch_section_header, | ||
82 | .msg_fetch_section_mime = mailmessage_generic_fetch_section_mime, | ||
83 | .msg_fetch_section_body = mailmessage_generic_fetch_section_body, | ||
84 | .msg_fetch_envelope = mailmessage_generic_fetch_envelope, | ||
85 | |||
86 | .msg_get_flags = NULL, | ||
87 | }; | ||
88 | |||
89 | mailmessage_driver * mh_message_driver = &local_mh_message_driver; | ||
90 | |||
91 | static int mh_prefetch(mailmessage * msg_info) | ||
92 | { | ||
93 | struct generic_message_t * msg; | ||
94 | int r; | ||
95 | char * msg_content; | ||
96 | size_t msg_length; | ||
97 | |||
98 | r = mhdriver_fetch_message(msg_info->msg_session, msg_info->msg_index, | ||
99 | &msg_content, &msg_length); | ||
100 | if (r != MAIL_NO_ERROR) | ||
101 | return r; | ||
102 | |||
103 | msg = msg_info->msg_data; | ||
104 | |||
105 | msg->msg_message = msg_content; | ||
106 | msg->msg_length = msg_length; | ||
107 | |||
108 | return MAIL_NO_ERROR; | ||
109 | } | ||
110 | |||
111 | static void mh_prefetch_free(struct generic_message_t * msg) | ||
112 | { | ||
113 | if (msg->msg_message != NULL) { | ||
114 | mmap_string_unref(msg->msg_message); | ||
115 | msg->msg_message = NULL; | ||
116 | } | ||
117 | } | ||
118 | |||
119 | static inline struct mh_session_state_data * get_data(mailmessage * msg) | ||
120 | { | ||
121 | return msg->msg_session->sess_data; | ||
122 | } | ||
123 | |||
124 | static inline struct mailmh_folder * get_mh_cur_folder(mailmessage * msg) | ||
125 | { | ||
126 | return get_data(msg)->mh_cur_folder; | ||
127 | } | ||
128 | |||
129 | static int mh_initialize(mailmessage * msg_info) | ||
130 | { | ||
131 | struct generic_message_t * msg; | ||
132 | int r; | ||
133 | char * uid; | ||
134 | char static_uid[PATH_MAX]; | ||
135 | struct mailmh_msg_info * mh_msg_info; | ||
136 | chashdatum key; | ||
137 | chashdatum value; | ||
138 | |||
139 | key.data = &msg_info->msg_index; | ||
140 | key.len = sizeof(msg_info->msg_index); | ||
141 | r = chash_get(get_mh_cur_folder(msg_info)->fl_msgs_hash, &key, &value); | ||
142 | if (r < 0) | ||
143 | return MAIL_ERROR_INVAL; | ||
144 | |||
145 | mh_msg_info = value.data; | ||
146 | |||
147 | snprintf(static_uid, PATH_MAX, "%u-%lu-%u", msg_info->msg_index, | ||
148 | mh_msg_info->msg_mtime, mh_msg_info->msg_size); | ||
149 | uid = strdup(static_uid); | ||
150 | if (uid == NULL) | ||
151 | return MAIL_ERROR_MEMORY; | ||
152 | |||
153 | r = mailmessage_generic_initialize(msg_info); | ||
154 | if (r != MAIL_NO_ERROR) { | ||
155 | free(uid); | ||
156 | return r; | ||
157 | } | ||
158 | |||
159 | msg = msg_info->msg_data; | ||
160 | msg->msg_prefetch = mh_prefetch; | ||
161 | msg->msg_prefetch_free = mh_prefetch_free; | ||
162 | msg_info->msg_uid = uid; | ||
163 | |||
164 | return MAIL_NO_ERROR; | ||
165 | } | ||
166 | |||
167 | |||
168 | static int mh_fetch_size(mailmessage * msg_info, | ||
169 | size_t * result) | ||
170 | { | ||
171 | int r; | ||
172 | size_t size; | ||
173 | |||
174 | r = mhdriver_fetch_size(msg_info->msg_session, msg_info->msg_index, &size); | ||
175 | if (r != MAIL_NO_ERROR) | ||
176 | return r; | ||
177 | |||
178 | * result = size; | ||
179 | |||
180 | return MAIL_NO_ERROR; | ||
181 | } | ||
182 | |||
183 | |||
184 | |||
185 | |||
186 | static int mh_fetch_header(mailmessage * msg_info, | ||
187 | char ** result, | ||
188 | size_t * result_len) | ||
189 | { | ||
190 | struct generic_message_t * msg; | ||
191 | int r; | ||
192 | char * msg_content; | ||
193 | size_t msg_length; | ||
194 | |||
195 | msg = msg_info->msg_data; | ||
196 | if (msg->msg_message != NULL) { | ||
197 | |||
198 | r = mailmessage_generic_fetch_header(msg_info, result, result_len); | ||
199 | return r; | ||
200 | } | ||
201 | else { | ||
202 | r = mhdriver_fetch_header(msg_info->msg_session, msg_info->msg_index, | ||
203 | &msg_content, &msg_length); | ||
204 | if (r != MAIL_NO_ERROR) | ||
205 | return r; | ||
206 | |||
207 | * result = msg_content; | ||
208 | * result_len = msg_length; | ||
209 | |||
210 | return MAIL_NO_ERROR; | ||
211 | } | ||
212 | } | ||