Diffstat (limited to 'libetpan/src/driver/implementation/mh/mhdriver_message.c') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libetpan/src/driver/implementation/mh/mhdriver_message.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_message.c b/libetpan/src/driver/implementation/mh/mhdriver_message.c new file mode 100644 index 0000000..0e486b4 --- a/dev/null +++ b/libetpan/src/driver/implementation/mh/mhdriver_message.c @@ -0,0 +1,213 @@ +/* + * libEtPan! -- a mail stuff library + * + * Copyright (C) 2001, 2005 - DINH Viet Hoa + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the libEtPan! project nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * $Id$ + */ + +#include "mhdriver_message.h" + +#include "mailmessage_tools.h" +#include "mhdriver_tools.h" +#include "mhdriver.h" +#include "mailmh.h" + +#include <unistd.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <string.h> +#include <stdlib.h> + +static int mh_prefetch(mailmessage * msg_info); + +static void mh_prefetch_free(struct generic_message_t * msg); + +static int mh_initialize(mailmessage * msg_info); + +static int mh_fetch_size(mailmessage * msg_info, + size_t * result); + +static int mh_fetch_header(mailmessage * msg_info, + char ** result, + size_t * result_len); + +static mailmessage_driver local_mh_message_driver = { + .msg_name = "mh", + + .msg_initialize = mh_initialize, + .msg_uninitialize = mailmessage_generic_uninitialize, + + .msg_flush = mailmessage_generic_flush, + .msg_check = NULL, + + .msg_fetch_result_free = mailmessage_generic_fetch_result_free, + + .msg_fetch = mailmessage_generic_fetch, + .msg_fetch_header = mh_fetch_header, + .msg_fetch_body = mailmessage_generic_fetch_body, + .msg_fetch_size = mh_fetch_size, + .msg_get_bodystructure = mailmessage_generic_get_bodystructure, + .msg_fetch_section = mailmessage_generic_fetch_section, + .msg_fetch_section_header = mailmessage_generic_fetch_section_header, + .msg_fetch_section_mime = mailmessage_generic_fetch_section_mime, + .msg_fetch_section_body = mailmessage_generic_fetch_section_body, + .msg_fetch_envelope = mailmessage_generic_fetch_envelope, + + .msg_get_flags = NULL, +}; + +mailmessage_driver * mh_message_driver = &local_mh_message_driver; + +static int mh_prefetch(mailmessage * msg_info) +{ + struct generic_message_t * msg; + int r; + char * msg_content; + size_t msg_length; + + r = mhdriver_fetch_message(msg_info->msg_session, msg_info->msg_index, + &msg_content, &msg_length); + if (r != MAIL_NO_ERROR) + return r; + + msg = msg_info->msg_data; + + msg->msg_message = msg_content; + msg->msg_length = msg_length; + + return MAIL_NO_ERROR; +} + +static void mh_prefetch_free(struct generic_message_t * msg) +{ + if (msg->msg_message != NULL) { + mmap_string_unref(msg->msg_message); + msg->msg_message = NULL; + } +} + +static inline struct mh_session_state_data * get_data(mailmessage * msg) +{ + return msg->msg_session->sess_data; +} + +static inline struct mailmh_folder * get_mh_cur_folder(mailmessage * msg) +{ + return get_data(msg)->mh_cur_folder; +} + +static int mh_initialize(mailmessage * msg_info) +{ + struct generic_message_t * msg; + int r; + char * uid; + char static_uid[PATH_MAX]; + struct mailmh_msg_info * mh_msg_info; + chashdatum key; + chashdatum value; + + key.data = &msg_info->msg_index; + key.len = sizeof(msg_info->msg_index); + r = chash_get(get_mh_cur_folder(msg_info)->fl_msgs_hash, &key, &value); + if (r < 0) + return MAIL_ERROR_INVAL; + + mh_msg_info = value.data; + + snprintf(static_uid, PATH_MAX, "%u-%lu-%lu", msg_info->msg_index, + (unsigned long) mh_msg_info->msg_mtime, + (unsigned long) mh_msg_info->msg_size); + uid = strdup(static_uid); + if (uid == NULL) + return MAIL_ERROR_MEMORY; + + r = mailmessage_generic_initialize(msg_info); + if (r != MAIL_NO_ERROR) { + free(uid); + return r; + } + + msg = msg_info->msg_data; + msg->msg_prefetch = mh_prefetch; + msg->msg_prefetch_free = mh_prefetch_free; + msg_info->msg_uid = uid; + + return MAIL_NO_ERROR; +} + + +static int mh_fetch_size(mailmessage * msg_info, + size_t * result) +{ + int r; + size_t size; + + r = mhdriver_fetch_size(msg_info->msg_session, msg_info->msg_index, &size); + if (r != MAIL_NO_ERROR) + return r; + + * result = size; + + return MAIL_NO_ERROR; +} + + + + +static int mh_fetch_header(mailmessage * msg_info, + char ** result, + size_t * result_len) +{ + struct generic_message_t * msg; + int r; + char * msg_content; + size_t msg_length; + + msg = msg_info->msg_data; + if (msg->msg_message != NULL) { + + r = mailmessage_generic_fetch_header(msg_info, result, result_len); + return r; + } + else { + r = mhdriver_fetch_header(msg_info->msg_session, msg_info->msg_index, + &msg_content, &msg_length); + if (r != MAIL_NO_ERROR) + return r; + + * result = msg_content; + * result_len = msg_length; + + return MAIL_NO_ERROR; + } +} |