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path: root/kmicromail/libetpan/generic/mboxdriver_message.c
authorzautrix <zautrix>2004-07-03 16:33:12 (UTC)
committer zautrix <zautrix>2004-07-03 16:33:12 (UTC)
commite3b89230f065c48c84b48c88edb6eb088374c487 (patch) (side-by-side diff)
tree162ea2ef909a6f82ccfcedf45d80d6c821174912 /kmicromail/libetpan/generic/mboxdriver_message.c
parent2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff)
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Initial revision
Diffstat (limited to 'kmicromail/libetpan/generic/mboxdriver_message.c') (more/less context) (ignore whitespace changes)
-rw-r--r--kmicromail/libetpan/generic/mboxdriver_message.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/kmicromail/libetpan/generic/mboxdriver_message.c b/kmicromail/libetpan/generic/mboxdriver_message.c
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+++ b/kmicromail/libetpan/generic/mboxdriver_message.c
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+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2002 - 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 REGENTS 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 REGENTS 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 "mboxdriver_tools.h"
+#include "mboxdriver.h"
+#include "mailmbox.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 mbox_prefetch(mailmessage * msg_info);
+
+static void mbox_prefetch_free(struct generic_message_t * msg);
+
+static int mbox_initialize(mailmessage * msg_info);
+
+static int mbox_fetch_size(mailmessage * msg_info,
+ size_t * result);
+
+static int mbox_fetch_header(mailmessage * msg_info,
+ char ** result,
+ size_t * result_len);
+
+static mailmessage_driver local_mbox_message_driver = {
+ .msg_name = "mbox",
+
+ .msg_initialize = mbox_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 = mbox_fetch_header,
+ .msg_fetch_body = mailmessage_generic_fetch_body,
+ .msg_fetch_size = mbox_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 * mbox_message_driver = &local_mbox_message_driver;
+
+static inline struct mbox_session_state_data * get_data(mailmessage * msg)
+{
+ return msg->msg_session->sess_data;
+}
+
+static inline struct mailmbox_folder * get_mbox_session(mailmessage * msg)
+{
+ return get_data(msg)->mbox_folder;
+}
+
+
+static int mbox_prefetch(mailmessage * msg_info)
+{
+ struct generic_message_t * msg;
+ int r;
+ char * msg_content;
+ size_t msg_length;
+
+ r = mboxdriver_fetch_msg(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 mbox_prefetch_free(struct generic_message_t * msg)
+{
+ if (msg->msg_message != NULL) {
+ mmap_string_unref(msg->msg_message);
+ msg->msg_message = NULL;
+ }
+}
+
+static int mbox_initialize(mailmessage * msg_info)
+{
+ struct generic_message_t * msg;
+ int r;
+ char * uid;
+ char static_uid[PATH_MAX];
+ struct mailmbox_msg_info * info;
+ struct mailmbox_folder * folder;
+ int res;
+ chashdatum key;
+ chashdatum data;
+
+ folder = get_mbox_session(msg_info);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ key.data = &msg_info->msg_index;
+ key.len = sizeof(msg_info->msg_index);
+
+ r = chash_get(folder->mb_hash, &key, &data);
+ if (r < 0) {
+ res = MAIL_ERROR_MSG_NOT_FOUND;
+ goto err;
+ }
+
+ info = data.data;
+
+ snprintf(static_uid, PATH_MAX, "%u-%u",
+ msg_info->msg_index, info->msg_body_len);
+ uid = strdup(static_uid);
+ if (uid == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ r = mailmessage_generic_initialize(msg_info);
+ if (r != MAIL_NO_ERROR) {
+ free(uid);
+ res = r;
+ goto err;
+ }
+
+ msg = msg_info->msg_data;
+ msg->msg_prefetch = mbox_prefetch;
+ msg->msg_prefetch_free = mbox_prefetch_free;
+ msg_info->msg_uid = uid;
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+static int mbox_fetch_size(mailmessage * msg_info,
+ size_t * result)
+{
+ int r;
+ size_t size;
+
+ r = mboxdriver_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 mbox_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) {
+ return mailmessage_generic_fetch_header(msg_info, result, result_len);
+ }
+ else {
+ r = mboxdriver_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;
+ }
+}