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path: root/libetpan/src/driver/implementation/mh
authorzautrix <zautrix>2005-03-18 20:17:03 (UTC)
committer zautrix <zautrix>2005-03-18 20:17:03 (UTC)
commit9e549686b23b6dffdcbd09c9b10dc2cb795fbcdf (patch) (side-by-side diff)
tree2528e6cc740225ca0f47d5ac8ff70f7d3bb10621 /libetpan/src/driver/implementation/mh
parent9319998f20f03dcc217fbb39656755dc65226276 (diff)
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Initial revision
Diffstat (limited to 'libetpan/src/driver/implementation/mh') (more/less context) (ignore whitespace changes)
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver.c875
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver.h52
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_cached.c1315
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_cached.h52
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_cached_message.c338
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_cached_message.h52
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_message.c213
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_message.h52
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_tools.c484
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_tools.h80
-rw-r--r--libetpan/src/driver/implementation/mh/mhdriver_types.h100
-rw-r--r--libetpan/src/driver/implementation/mh/mhstorage.c192
-rw-r--r--libetpan/src/driver/implementation/mh/mhstorage.h67
13 files changed, 3872 insertions, 0 deletions
diff --git a/libetpan/src/driver/implementation/mh/mhdriver.c b/libetpan/src/driver/implementation/mh/mhdriver.c
new file mode 100644
index 0000000..c44afc9
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver.c
@@ -0,0 +1,875 @@
+/*
+ * 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.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mailmh.h"
+#include "maildriver_tools.h"
+#include "mhdriver_tools.h"
+#include "mhdriver_message.h"
+#include "mailmessage.h"
+
+static int mhdriver_initialize(mailsession * session);
+
+static void mhdriver_uninitialize(mailsession * session);
+
+static int mhdriver_connect_path(mailsession * session, char * path);
+static int mhdriver_logout(mailsession * session);
+
+static int mhdriver_build_folder_name(mailsession * session, char * mb,
+ char * name, char ** result);
+static int mhdriver_create_folder(mailsession * session, char * mb);
+
+static int mhdriver_delete_folder(mailsession * session, char * mb);
+
+static int mhdriver_rename_folder(mailsession * session, char * mb,
+ char * new_name);
+
+static int mhdriver_select_folder(mailsession * session, char * mb);
+
+static int mhdriver_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen);
+
+static int mhdriver_messages_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int mhdriver_list_folders(mailsession * session, char * mb,
+ struct mail_list ** result);
+
+static int mhdriver_lsub_folders(mailsession * session, char * mb,
+ struct mail_list ** result);
+
+static int mhdriver_subscribe_folder(mailsession * session, char * mb);
+
+static int mhdriver_unsubscribe_folder(mailsession * session, char * mb);
+
+static int mhdriver_append_message(mailsession * session,
+ char * message, size_t size);
+static int mhdriver_append_message_flags(mailsession * session,
+ char * message, size_t size, struct mail_flags * flags);
+static int mhdriver_copy_message(mailsession * session,
+ uint32_t num, char * mb);
+
+static int mhdriver_remove_message(mailsession * session, uint32_t num);
+
+static int mhdriver_move_message(mailsession * session,
+ uint32_t num, char * mb);
+
+static int mhdriver_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result);
+
+static int mhdriver_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result);
+
+static int mhdriver_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result);
+
+static mailsession_driver local_mh_session_driver = {
+ .sess_name = "mh",
+
+ .sess_initialize = mhdriver_initialize,
+ .sess_uninitialize = mhdriver_uninitialize,
+
+ .sess_parameters = NULL,
+
+ .sess_connect_stream = NULL,
+ .sess_connect_path = mhdriver_connect_path,
+ .sess_starttls = NULL,
+ .sess_login = NULL,
+ .sess_logout = mhdriver_logout,
+ .sess_noop = NULL,
+
+ .sess_build_folder_name = mhdriver_build_folder_name,
+ .sess_create_folder = mhdriver_create_folder,
+ .sess_delete_folder = mhdriver_delete_folder,
+ .sess_rename_folder = mhdriver_rename_folder,
+ .sess_check_folder = NULL,
+ .sess_examine_folder = NULL,
+ .sess_select_folder = mhdriver_select_folder,
+ .sess_expunge_folder = NULL,
+ .sess_status_folder = mhdriver_status_folder,
+ .sess_messages_number = mhdriver_messages_number,
+ .sess_recent_number = mhdriver_messages_number,
+ .sess_unseen_number = mhdriver_messages_number,
+ .sess_list_folders = mhdriver_list_folders,
+ .sess_lsub_folders = mhdriver_lsub_folders,
+ .sess_subscribe_folder = mhdriver_subscribe_folder,
+ .sess_unsubscribe_folder = mhdriver_unsubscribe_folder,
+
+ .sess_append_message = mhdriver_append_message,
+ .sess_append_message_flags = mhdriver_append_message_flags,
+ .sess_copy_message = mhdriver_copy_message,
+ .sess_move_message = mhdriver_move_message,
+
+ .sess_get_messages_list = mhdriver_get_messages_list,
+ .sess_get_envelopes_list = maildriver_generic_get_envelopes_list,
+ .sess_remove_message = mhdriver_remove_message,
+#if 0
+ .sess_search_messages = maildriver_generic_search_messages,
+#endif
+
+ .sess_get_message = mhdriver_get_message,
+ .sess_get_message_by_uid = mhdriver_get_message_by_uid,
+};
+
+mailsession_driver * mh_session_driver = &local_mh_session_driver;
+
+static inline struct mh_session_state_data * get_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+static inline struct mailmh * get_mh_session(mailsession * session)
+{
+ return get_data(session)->mh_session;
+}
+
+static inline struct mailmh_folder * get_mh_cur_folder(mailsession * session)
+{
+ return get_data(session)->mh_cur_folder;
+}
+
+static int add_to_list(mailsession * session, char * mb)
+{
+ char * new_mb;
+ struct mh_session_state_data * data;
+ int r;
+
+ data = get_data(session);
+
+ new_mb = strdup(mb);
+ if (new_mb == NULL)
+ return -1;
+
+ r = clist_append(data->mh_subscribed_list, new_mb);
+ if (r < 0) {
+ free(mb);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int remove_from_list(mailsession * session, char * mb)
+{
+ clistiter * cur;
+ struct mh_session_state_data * data;
+
+ data = get_data(session);
+
+ for(cur = clist_begin(data->mh_subscribed_list) ;
+ cur != NULL ; cur = clist_next(cur)) {
+ char * cur_name;
+
+ cur_name = clist_content(cur);
+ if (strcmp(cur_name, mb) == 0) {
+ clist_delete(data->mh_subscribed_list, cur);
+ free(cur_name);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+static int mhdriver_initialize(mailsession * session)
+{
+ struct mh_session_state_data * data;
+
+ data = malloc(sizeof(* data));
+ if (data == NULL)
+ goto err;
+
+ data->mh_session = NULL;
+ data->mh_cur_folder = NULL;
+
+ data->mh_subscribed_list = clist_new();
+ if (data->mh_subscribed_list == NULL)
+ goto free;
+
+ session->sess_data = data;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ free(data);
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static void mhdriver_uninitialize(mailsession * session)
+{
+ struct mh_session_state_data * data;
+
+ data = get_data(session);
+
+ if (data->mh_session != NULL)
+ mailmh_free(data->mh_session);
+
+ clist_foreach(data->mh_subscribed_list, (clist_func) free, NULL);
+ clist_free(data->mh_subscribed_list);
+
+ free(data);
+
+ session->sess_data = NULL;
+}
+
+
+static int mhdriver_connect_path(mailsession * session, char * path)
+{
+ struct mailmh * mh;
+
+ if (get_mh_session(session) != NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ mh = mailmh_new(path);
+ if (mh == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ get_data(session)->mh_session = mh;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_logout(mailsession * session)
+{
+ struct mailmh * mh;
+
+ mh = get_mh_session(session);
+
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ mailmh_free(mh);
+ get_data(session)->mh_session = NULL;
+
+ return MAIL_NO_ERROR;
+}
+
+/* folders operations */
+
+static int mhdriver_build_folder_name(mailsession * session, char * mb,
+ char * name, char ** result)
+{
+ char * folder_name;
+
+ folder_name = malloc(strlen(mb) + 2 + strlen(name));
+ if (folder_name == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ strcpy(folder_name, mb);
+ strcat(folder_name, "/");
+ strcat(folder_name, name);
+
+ * result = folder_name;
+
+ return MAIL_NO_ERROR;
+}
+
+static int get_parent(mailsession * session, char * mb,
+ struct mailmh_folder ** result_folder,
+ char ** result_name)
+{
+ char * name;
+ size_t length;
+ int i;
+ char * parent_name;
+ struct mailmh_folder * parent;
+ struct mailmh * mh;
+
+ mh = get_mh_session(session);
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ length = strlen(mb);
+ for(i = length - 1 ; i >= 0 ; i--)
+ if (mb[i] == '/')
+ break;
+ name = mb + i + 1;
+
+ parent_name = malloc(i + 1);
+ /* strndup(mb, i) */
+ if (parent_name == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ strncpy(parent_name, mb, i);
+ parent_name[i] = '\0';
+
+ parent = mailmh_folder_find(mh->mh_main, parent_name);
+ free(parent_name);
+ if (parent == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+
+ * result_folder = parent;
+ * result_name = name;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_create_folder(mailsession * session, char * mb)
+{
+ int r;
+ struct mailmh_folder * parent;
+ char * name;
+
+ r = get_parent(session, mb, &parent, &name);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ r = mailmh_folder_add_subfolder(parent, name);
+
+ return mhdriver_mh_error_to_mail_error(r);
+}
+
+static int mhdriver_delete_folder(mailsession * session, char * mb)
+{
+ int r;
+ struct mailmh_folder * folder;
+ struct mailmh * mh;
+
+ mh = get_mh_session(session);
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ folder = mailmh_folder_find(mh->mh_main, mb);
+ if (folder == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+
+ if (get_mh_cur_folder(session) == folder)
+ get_data(session)->mh_cur_folder = NULL;
+
+ r = mailmh_folder_remove_subfolder(folder);
+
+ return mhdriver_mh_error_to_mail_error(r);
+}
+
+static int mhdriver_rename_folder(mailsession * session, char * mb,
+ char * new_name)
+{
+ struct mailmh_folder * src_folder;
+ struct mailmh_folder * dst_folder;
+ char * name;
+ struct mailmh * mh;
+ int r;
+
+ r = get_parent(session, new_name, &dst_folder, &name);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ mh = get_mh_session(session);
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ src_folder = mailmh_folder_find(mh->mh_main, mb);
+ if (src_folder == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+
+ if (get_mh_cur_folder(session) == src_folder)
+ get_data(session)->mh_cur_folder = NULL;
+
+ r = mailmh_folder_rename_subfolder(src_folder, dst_folder, name);
+
+ return mhdriver_mh_error_to_mail_error(r);
+}
+
+static int mhdriver_select_folder(mailsession * session, char * mb)
+{
+ struct mailmh_folder * folder;
+ struct mailmh * mh;
+ int r;
+
+ mh = get_mh_session(session);
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = mailmh_folder_update(mh->mh_main);
+
+ folder = mailmh_folder_find(mh->mh_main, mb);
+ if (folder == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+
+ get_data(session)->mh_cur_folder = folder;
+ r = mailmh_folder_update(folder);
+
+ return mhdriver_mh_error_to_mail_error(r);
+}
+
+static int mhdriver_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen)
+{
+ uint32_t count;
+ int r;
+
+ r = mhdriver_messages_number(session, mb, &count);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result_messages = count;
+ * result_recent = count;
+ * result_unseen = count;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_messages_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ struct mailmh_folder * folder;
+ uint32_t count;
+ struct mailmh * mh;
+ unsigned int i;
+
+ mh = get_mh_session(session);
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ if (mb != NULL) {
+ folder = mailmh_folder_find(mh->mh_main, mb);
+ if (folder == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+ }
+ else {
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+ }
+
+ mailmh_folder_update(folder);
+ count = 0;
+ for (i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i ++) {
+ struct mailmh_msg_info * msg_info;
+
+ msg_info = carray_get(folder->fl_msgs_tab, i);
+ if (msg_info != NULL)
+ count ++;
+ }
+
+ * result = count;
+
+ return MAIL_NO_ERROR;
+}
+
+
+static int get_list_folders(struct mailmh_folder * folder, clist ** result)
+{
+ unsigned int i;
+ clist * list;
+ char * new_filename;
+ int res;
+ int r;
+
+ list = * result;
+
+ new_filename = strdup(folder->fl_filename);
+ if (new_filename == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free;
+ }
+
+ r = mailmh_folder_update(folder);
+
+ switch (r) {
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ res = mhdriver_mh_error_to_mail_error(r);
+ goto free;
+ }
+
+ r = clist_append(list, new_filename);
+ if (r < 0) {
+ free(new_filename);
+ res = MAIL_ERROR_MEMORY;
+ goto free;
+ }
+
+ if (folder->fl_subfolders_tab != NULL) {
+ for(i = 0 ; i < carray_count(folder->fl_subfolders_tab) ; i++) {
+ struct mailmh_folder * subfolder;
+
+ subfolder = carray_get(folder->fl_subfolders_tab, i);
+
+ r = get_list_folders(subfolder, &list);
+ if (r != MAIL_NO_ERROR) {
+ res = MAIL_ERROR_MEMORY;
+ goto free;
+ }
+ }
+ }
+
+ * result = list;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ clist_foreach(list, (clist_func) free, NULL);
+ clist_free(list);
+ return res;
+}
+
+
+static int mhdriver_list_folders(mailsession * session, char * mb,
+ struct mail_list ** result)
+{
+ clist * list;
+ int r;
+ struct mailmh * mh;
+ struct mail_list * ml;
+
+ mh = get_mh_session(session);
+
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ list = clist_new();
+ if (list == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ r = get_list_folders(mh->mh_main, &list);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ ml = mail_list_new(list);
+ if (ml == NULL)
+ goto free;
+
+ * result = ml;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ clist_foreach(list, (clist_func) free, NULL);
+ clist_free(list);
+ return MAIL_ERROR_MEMORY;
+}
+
+static int mhdriver_lsub_folders(mailsession * session, char * mb,
+ struct mail_list ** result)
+{
+ clist * subscribed;
+ clist * lsub_result;
+ clistiter * cur;
+ struct mail_list * lsub;
+ size_t length;
+ int r;
+
+ length = strlen(mb);
+
+ subscribed = get_data(session)->mh_subscribed_list;
+
+ lsub_result = clist_new();
+ if (lsub_result == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ for(cur = clist_begin(subscribed) ; cur != NULL ;
+ cur = clist_next(cur)) {
+ char * cur_mb;
+ char * new_mb;
+
+ cur_mb = clist_content(cur);
+
+ if (strncmp(mb, cur_mb, length) == 0) {
+ new_mb = strdup(cur_mb);
+ if (new_mb == NULL)
+ goto free_list;
+
+ r = clist_append(lsub_result, new_mb);
+ if (r < 0) {
+ free(new_mb);
+ goto free_list;
+ }
+ }
+ }
+
+ lsub = mail_list_new(lsub_result);
+ if (lsub == NULL)
+ goto free_list;
+
+ * result = lsub;
+
+ return MAIL_NO_ERROR;
+
+ free_list:
+ clist_foreach(lsub_result, (clist_func) free, NULL);
+ clist_free(lsub_result);
+ return MAIL_ERROR_MEMORY;
+}
+
+static int mhdriver_subscribe_folder(mailsession * session, char * mb)
+{
+ int r;
+
+ r = add_to_list(session, mb);
+ if (r < 0)
+ return MAIL_ERROR_SUBSCRIBE;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_unsubscribe_folder(mailsession * session, char * mb)
+{
+ int r;
+
+ r = remove_from_list(session, mb);
+ if (r < 0)
+ return MAIL_ERROR_UNSUBSCRIBE;
+
+ return MAIL_NO_ERROR;
+}
+
+/* messages operations */
+
+static int mhdriver_append_message(mailsession * session,
+ char * message, size_t size)
+{
+ int r;
+ struct mailmh_folder * folder;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = mailmh_folder_add_message(folder, message, size);
+
+ switch (r) {
+ case MAILMH_ERROR_FILE:
+ return MAIL_ERROR_DISKSPACE;
+
+ default:
+ return mhdriver_mh_error_to_mail_error(r);
+ }
+}
+
+static int mhdriver_append_message_flags(mailsession * session,
+ char * message, size_t size, struct mail_flags * flags)
+{
+ return mhdriver_append_message(session, message, size);
+}
+
+static int mhdriver_copy_message(mailsession * session,
+ uint32_t num, char * mb)
+{
+ int fd;
+ int r;
+ struct mailmh_folder * folder;
+ struct mailmh * mh;
+ int res;
+
+ mh = get_mh_session(session);
+ if (mh == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ r = mailmh_folder_get_message_fd(folder, num, O_RDONLY, &fd);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ folder = mailmh_folder_find(mh->mh_main, mb);
+ if (folder == NULL) {
+ res = MAIL_ERROR_FOLDER_NOT_FOUND;
+ goto close;
+ }
+
+ r = mailmh_folder_add_message_file(folder, fd);
+ if (r != MAIL_NO_ERROR) {
+ res = MAIL_ERROR_COPY;
+ goto close;
+ }
+
+ close(fd);
+
+ return MAIL_NO_ERROR;
+
+ close:
+ close(fd);
+ err:
+ return res;
+}
+
+static int mhdriver_remove_message(mailsession * session, uint32_t num)
+{
+ int r;
+ struct mailmh_folder * folder;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL)
+ return MAIL_ERROR_DELETE;
+
+ r = mailmh_folder_remove_message(folder, num);
+
+ return mhdriver_mh_error_to_mail_error(r);
+}
+
+static int mhdriver_move_message(mailsession * session,
+ uint32_t num, char * mb)
+{
+ int r;
+ struct mailmh_folder * src_folder;
+ struct mailmh_folder * dest_folder;
+ struct mailmh * mh;
+
+ mh = get_mh_session(session);
+ if (mh == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ src_folder = get_mh_cur_folder(session);
+ if (src_folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ dest_folder = mailmh_folder_find(mh->mh_main, mb);
+ if (dest_folder == NULL)
+ return MAIL_ERROR_FOLDER_NOT_FOUND;
+
+ r = mailmh_folder_move_message(dest_folder, src_folder, num);
+
+ return mhdriver_mh_error_to_mail_error(r);
+}
+
+
+static int mhdriver_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result)
+{
+ struct mailmh_folder * folder;
+ int res;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ mailmh_folder_update(folder);
+ return mh_get_messages_list(folder, session, mh_message_driver, result);
+
+ err:
+ return res;
+}
+
+static int mhdriver_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result)
+{
+ mailmessage * msg_info;
+ int r;
+
+ msg_info = mailmessage_new();
+ if (msg_info == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ r = mailmessage_init(msg_info, session, mh_message_driver, num, 0);
+ if (r != MAIL_NO_ERROR) {
+ mailmessage_free(msg_info);
+ return r;
+ }
+
+ * result = msg_info;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result)
+{
+ uint32_t index;
+ char *p;
+ struct mailmh_msg_info * mh_msg_info;
+ struct mh_session_state_data * mh_data;
+ chashdatum key;
+ chashdatum data;
+ int r;
+ time_t mtime;
+ char * mtime_p;
+
+ if (uid == NULL)
+ return MAIL_ERROR_INVAL;
+
+ index = strtoul(uid, &p, 10);
+ if (p == uid || * p != '-')
+ return MAIL_ERROR_INVAL;
+
+ mh_data = session->sess_data;
+#if 0
+ mh_msg_info = cinthash_find(mh_data->mh_cur_folder->fl_msgs_hash, index);
+#endif
+ key.data = &index;
+ key.len = sizeof(index);
+ r = chash_get(mh_data->mh_cur_folder->fl_msgs_hash, &key, &data);
+ if (r < 0)
+ return MAIL_ERROR_MSG_NOT_FOUND;
+
+ mh_msg_info = data.data;
+
+ mtime_p = p + 1;
+
+ mtime = strtoul(mtime_p, &p, 10);
+ if ((* p == '-') && (mtime == mh_msg_info->msg_mtime)) {
+ size_t size;
+ char *size_p;
+
+ size_p = p + 1;
+ size = strtoul(size_p, &p, 10);
+ if ((* p == '\0') && (size == mh_msg_info->msg_size))
+ return mhdriver_get_message(session, index, result);
+ }
+ else if (* p != '-') {
+ return MAIL_ERROR_INVAL;
+ }
+
+ return MAIL_ERROR_MSG_NOT_FOUND;
+}
diff --git a/libetpan/src/driver/implementation/mh/mhdriver.h b/libetpan/src/driver/implementation/mh/mhdriver.h
new file mode 100644
index 0000000..a3f45f5
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver.h
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHDRIVER_H
+
+#define MHDRIVER_H
+
+#include <libetpan/maildriver.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern mailsession_driver * mh_session_driver;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_cached.c b/libetpan/src/driver/implementation/mh/mhdriver_cached.c
new file mode 100644
index 0000000..1e5c28b
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_cached.c
@@ -0,0 +1,1315 @@
+/*
+ * 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_cached.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mail.h"
+#include "mail_cache_db.h"
+
+#include "generic_cache.h"
+#include "imfcache.h"
+#include "mhdriver.h"
+
+#include "mhdriver_cached_message.h"
+#include "mailmh.h"
+#include "maildriver_tools.h"
+#include "mhdriver_tools.h"
+#include "mailmessage.h"
+
+static int mhdriver_cached_initialize(mailsession * session);
+
+static void mhdriver_cached_uninitialize(mailsession * session);
+
+static int mhdriver_cached_parameters(mailsession * session,
+ int id, void * value);
+
+static int mhdriver_cached_connect_path(mailsession * session, char * path);
+static int mhdriver_cached_logout(mailsession * session);
+
+static int mhdriver_cached_build_folder_name(mailsession * session, char * mb,
+ char * name, char ** result);
+static int mhdriver_cached_create_folder(mailsession * session, char * mb);
+
+static int mhdriver_cached_delete_folder(mailsession * session, char * mb);
+
+static int mhdriver_cached_rename_folder(mailsession * session, char * mb,
+ char * new_name);
+
+static int mhdriver_cached_check_folder(mailsession * session);
+
+static int mhdriver_cached_select_folder(mailsession * session, char * mb);
+
+static int mhdriver_cached_expunge_folder(mailsession * session);
+
+static int mhdriver_cached_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages, uint32_t * result_recent,
+ uint32_t * result_unseen);
+
+static int mhdriver_cached_messages_number(mailsession * session, char * mb,
+ uint32_t * result);
+static int mhdriver_cached_recent_number(mailsession * session, char * mb,
+ uint32_t * result);
+static int mhdriver_cached_unseen_number(mailsession * session, char * mb,
+ uint32_t * result);
+
+static int mhdriver_cached_list_folders(mailsession * session, char * mb,
+ struct mail_list ** result);
+
+static int mhdriver_cached_lsub_folders(mailsession * session, char * mb,
+ struct mail_list ** result);
+
+static int mhdriver_cached_subscribe_folder(mailsession * session, char * mb);
+
+static int mhdriver_cached_unsubscribe_folder(mailsession * session,
+ char * mb);
+
+static int mhdriver_cached_append_message(mailsession * session,
+ char * message, size_t size);
+static int mhdriver_cached_append_message_flags(mailsession * session,
+ char * message, size_t size, struct mail_flags * flags);
+static int mhdriver_cached_copy_message(mailsession * session,
+ uint32_t num, char * mb);
+
+static int mhdriver_cached_remove_message(mailsession * session,
+ uint32_t num);
+
+static int mhdriver_cached_move_message(mailsession * session,
+ uint32_t num, char * mb);
+
+static int
+mhdriver_cached_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result);
+
+static int
+mhdriver_cached_get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list);
+
+static int mhdriver_cached_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result);
+
+static int mhdriver_cached_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result);
+
+static mailsession_driver local_mh_cached_session_driver = {
+ .sess_name = "mh-cached",
+
+ .sess_initialize = mhdriver_cached_initialize,
+ .sess_uninitialize = mhdriver_cached_uninitialize,
+
+ .sess_parameters = mhdriver_cached_parameters,
+
+ .sess_connect_stream = NULL,
+ .sess_connect_path = mhdriver_cached_connect_path,
+ .sess_starttls = NULL,
+ .sess_login = NULL,
+ .sess_logout = mhdriver_cached_logout,
+ .sess_noop = NULL,
+
+ .sess_build_folder_name = mhdriver_cached_build_folder_name,
+ .sess_create_folder = mhdriver_cached_create_folder,
+ .sess_delete_folder = mhdriver_cached_delete_folder,
+ .sess_rename_folder = mhdriver_cached_rename_folder,
+ .sess_check_folder = mhdriver_cached_check_folder,
+ .sess_examine_folder = NULL,
+ .sess_select_folder = mhdriver_cached_select_folder,
+ .sess_expunge_folder = mhdriver_cached_expunge_folder,
+ .sess_status_folder = mhdriver_cached_status_folder,
+ .sess_messages_number = mhdriver_cached_messages_number,
+ .sess_recent_number = mhdriver_cached_recent_number,
+ .sess_unseen_number = mhdriver_cached_unseen_number,
+ .sess_list_folders = mhdriver_cached_list_folders,
+ .sess_lsub_folders = mhdriver_cached_lsub_folders,
+ .sess_subscribe_folder = mhdriver_cached_subscribe_folder,
+ .sess_unsubscribe_folder = mhdriver_cached_unsubscribe_folder,
+
+ .sess_append_message = mhdriver_cached_append_message,
+ .sess_append_message_flags = mhdriver_cached_append_message_flags,
+ .sess_copy_message = mhdriver_cached_copy_message,
+ .sess_move_message = mhdriver_cached_move_message,
+
+ .sess_get_messages_list = mhdriver_cached_get_messages_list,
+ .sess_get_envelopes_list = mhdriver_cached_get_envelopes_list,
+ .sess_remove_message = mhdriver_cached_remove_message,
+#if 0
+ .sess_search_messages = maildriver_generic_search_messages,
+#endif
+
+ .sess_get_message = mhdriver_cached_get_message,
+ .sess_get_message_by_uid = mhdriver_cached_get_message_by_uid,
+};
+
+mailsession_driver * mh_cached_session_driver =
+&local_mh_cached_session_driver;
+
+#define ENV_NAME "env.db"
+#define FLAGS_NAME "flags.db"
+
+
+static inline struct mh_cached_session_state_data *
+get_cached_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+static inline mailsession * get_ancestor(mailsession * session)
+{
+ return get_cached_data(session)->mh_ancestor;
+}
+
+static inline struct mh_session_state_data *
+get_ancestor_data(mailsession * session)
+{
+ return get_ancestor(session)->sess_data;
+}
+
+static inline struct mailmh *
+get_mh_session(mailsession * session)
+{
+ return get_ancestor_data(session)->mh_session;
+}
+
+static inline struct mailmh_folder *
+get_mh_cur_folder(mailsession * session)
+{
+ return get_ancestor_data(session)->mh_cur_folder;
+}
+
+
+#define FILENAME_MAX_UID "max-uid"
+
+/* write max uid current value */
+
+static int write_max_uid_value(mailsession * session)
+{
+ int r;
+ char filename[PATH_MAX];
+ FILE * f;
+ int res;
+ struct mh_cached_session_state_data * cached_data;
+ struct mh_session_state_data * ancestor_data;
+ int fd;
+
+ MMAPString * mmapstr;
+ size_t cur_token;
+
+ cached_data = get_cached_data(session);
+ ancestor_data = get_ancestor_data(session);
+
+ if (cached_data->mh_quoted_mb == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ snprintf(filename, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_cache_directory,
+ cached_data->mh_quoted_mb, FILENAME_MAX_UID);
+
+ fd = creat(filename, S_IRUSR | S_IWUSR);
+ if (fd < 0) {
+ res = MAIL_ERROR_FILE;
+ goto err;
+ }
+
+ f = fdopen(fd, "w");
+ if (f == NULL) {
+ close(fd);
+ res = MAIL_ERROR_FILE;
+ goto err;
+ }
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto close;
+ }
+
+ r = mail_serialize_clear(mmapstr, &cur_token);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free_mmapstr;
+ }
+
+ r = mailimf_cache_int_write(mmapstr, &cur_token,
+ ancestor_data->mh_cur_folder->fl_max_index);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free_mmapstr;
+ }
+
+ fwrite(mmapstr->str, 1, mmapstr->len, f);
+
+ mmap_string_free(mmapstr);
+ fclose(f);
+
+ return MAIL_NO_ERROR;
+
+ free_mmapstr:
+ mmap_string_free(mmapstr);
+ close:
+ fclose(f);
+ err:
+ return res;
+}
+
+static int read_max_uid_value(mailsession * session)
+{
+ int r;
+ char filename[PATH_MAX];
+ FILE * f;
+ uint32_t written_uid;
+ int res;
+ struct mh_cached_session_state_data * cached_data;
+ struct mh_session_state_data * ancestor_data;
+
+ MMAPString * mmapstr;
+ size_t cur_token;
+ char buf[sizeof(uint32_t)];
+ size_t read_size;
+
+ cached_data = get_cached_data(session);
+ ancestor_data = get_ancestor_data(session);
+
+ snprintf(filename, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_cache_directory,
+ cached_data->mh_quoted_mb, FILENAME_MAX_UID);
+
+ f = fopen(filename, "r");
+ if (f == NULL) {
+ res = MAIL_ERROR_FILE;
+ goto err;
+ }
+
+ read_size = fread(buf, 1, sizeof(uint32_t), f);
+
+ mmapstr = mmap_string_new_len(buf, read_size);
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto close;
+ }
+
+ cur_token = 0;
+
+ r = mailimf_cache_int_read(mmapstr, &cur_token, &written_uid);
+ if (r != MAIL_NO_ERROR) {
+ fclose(f);
+ res = r;
+ goto free_mmapstr;
+ }
+
+ mmap_string_free(mmapstr);
+ fclose(f);
+
+ if (written_uid > ancestor_data->mh_cur_folder->fl_max_index)
+ ancestor_data->mh_cur_folder->fl_max_index = written_uid;
+
+ return MAIL_NO_ERROR;
+
+ free_mmapstr:
+ mmap_string_free(mmapstr);
+ close:
+ fclose(f);
+ err:
+ return res;
+}
+
+
+static int mhdriver_cached_initialize(mailsession * session)
+{
+ struct mh_cached_session_state_data * data;
+
+ data = malloc(sizeof(* data));
+ if (data == NULL)
+ goto err;
+
+ data->mh_flags_store = mail_flags_store_new();
+ if (data->mh_flags_store == NULL)
+ goto free;
+
+ data->mh_ancestor = mailsession_new(mh_session_driver);
+ if (data->mh_ancestor == NULL)
+ goto free_store;
+
+ data->mh_quoted_mb = NULL;
+
+ session->sess_data = data;
+
+ return MAIL_NO_ERROR;
+
+ free_store:
+ mail_flags_store_free(data->mh_flags_store);
+ free:
+ free(data);
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static void free_state(struct mh_cached_session_state_data * mh_data)
+{
+ if (mh_data->mh_quoted_mb) {
+ free(mh_data->mh_quoted_mb);
+ mh_data->mh_quoted_mb = NULL;
+ }
+}
+
+static int mh_flags_store_process(char * flags_directory, char * quoted_mb,
+ struct mail_flags_store * flags_store)
+{
+ char filename_flags[PATH_MAX];
+ struct mail_cache_db * cache_db_flags;
+ MMAPString * mmapstr;
+ unsigned int i;
+ int r;
+ int res;
+
+ if (carray_count(flags_store->fls_tab) == 0)
+ return MAIL_NO_ERROR;
+
+ if (quoted_mb == NULL)
+ return MAIL_NO_ERROR;
+
+ snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
+ flags_directory, quoted_mb, FLAGS_NAME);
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0) {
+ res = MAIL_ERROR_FILE;
+ goto err;
+ }
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto close_db_flags;
+ }
+
+ for(i = 0 ; i < carray_count(flags_store->fls_tab) ; i ++) {
+ mailmessage * msg;
+
+ msg = carray_get(flags_store->fls_tab, i);
+
+ r = mhdriver_write_cached_flags(cache_db_flags, mmapstr,
+ msg->msg_uid, msg->msg_flags);
+ }
+
+ mmap_string_free(mmapstr);
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+
+ mail_flags_store_clear(flags_store);
+
+ return MAIL_NO_ERROR;
+
+ close_db_flags:
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ err:
+ return res;
+}
+
+static void mhdriver_cached_uninitialize(mailsession * session)
+{
+ struct mh_cached_session_state_data * data;
+
+ data = get_cached_data(session);
+
+ mh_flags_store_process(data->mh_flags_directory, data->mh_quoted_mb,
+ data->mh_flags_store);
+
+ mail_flags_store_free(data->mh_flags_store);
+
+ free_state(data);
+ mailsession_free(data->mh_ancestor);
+ free(data);
+
+ session->sess_data = NULL;
+}
+
+static int mhdriver_cached_parameters(mailsession * session,
+ int id, void * value)
+{
+ struct mh_cached_session_state_data * cached_data;
+ int r;
+
+ cached_data = get_cached_data(session);
+
+ switch (id) {
+ case MHDRIVER_CACHED_SET_CACHE_DIRECTORY:
+ strncpy(cached_data->mh_cache_directory, value, PATH_MAX);
+ cached_data->mh_cache_directory[PATH_MAX - 1] = '\0';
+
+ r = generic_cache_create_dir(cached_data->mh_cache_directory);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ return MAIL_NO_ERROR;
+
+ case MHDRIVER_CACHED_SET_FLAGS_DIRECTORY:
+ strncpy(cached_data->mh_flags_directory, value, PATH_MAX);
+ cached_data->mh_flags_directory[PATH_MAX - 1] = '\0';
+
+ r = generic_cache_create_dir(cached_data->mh_flags_directory);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ return MAIL_NO_ERROR;
+ }
+
+ return MAIL_ERROR_INVAL;
+}
+
+static int mhdriver_cached_connect_path(mailsession * session, char * path)
+{
+ return mailsession_connect_path(get_ancestor(session), path);
+}
+
+static int mhdriver_cached_logout(mailsession * session)
+{
+ int r;
+ struct mh_cached_session_state_data * cached_data;
+
+ r = write_max_uid_value(session);
+
+ cached_data = get_cached_data(session);
+
+ mh_flags_store_process(cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb,
+ cached_data->mh_flags_store);
+
+ return mailsession_logout(get_ancestor(session));
+}
+
+static int mhdriver_cached_check_folder(mailsession * session)
+{
+ struct mh_cached_session_state_data * cached_data;
+
+ cached_data = get_cached_data(session);
+
+ mh_flags_store_process(cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb,
+ cached_data->mh_flags_store);
+
+ return MAIL_NO_ERROR;
+}
+
+/* folders operations */
+
+static int mhdriver_cached_build_folder_name(mailsession * session, char * mb,
+ char * name, char ** result)
+{
+ return mailsession_build_folder_name(get_ancestor(session),
+ mb, name, result);
+}
+
+static int mhdriver_cached_create_folder(mailsession * session, char * mb)
+{
+ return mailsession_create_folder(get_ancestor(session), mb);
+}
+
+static int mhdriver_cached_delete_folder(mailsession * session, char * mb)
+{
+ return mailsession_delete_folder(get_ancestor(session), mb);
+}
+
+static int mhdriver_cached_rename_folder(mailsession * session, char * mb,
+ char * new_name)
+{
+ return mailsession_rename_folder(get_ancestor(session), mb, new_name);
+}
+
+static int get_cache_directory(mailsession * session,
+ char * path, char ** result)
+{
+ char * quoted_mb;
+ char dirname[PATH_MAX];
+ int res;
+ int r;
+ struct mh_cached_session_state_data * cached_data;
+
+ cached_data = get_cached_data(session);
+
+ quoted_mb = maildriver_quote_mailbox(path);
+ if (quoted_mb == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ snprintf(dirname, PATH_MAX, "%s/%s",
+ cached_data->mh_cache_directory, quoted_mb);
+
+ r = generic_cache_create_dir(dirname);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free;
+ }
+
+ snprintf(dirname, PATH_MAX, "%s/%s",
+ cached_data->mh_flags_directory, quoted_mb);
+
+ r = generic_cache_create_dir(dirname);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free;
+ }
+
+ * result = quoted_mb;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ free(quoted_mb);
+ err:
+ return res;
+}
+
+static int mhdriver_cached_select_folder(mailsession * session, char * mb)
+{
+ int r;
+ int res;
+ char * quoted_mb;
+ struct mh_cached_session_state_data * cached_data;
+
+ cached_data = get_cached_data(session);
+
+ mh_flags_store_process(cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb,
+ cached_data->mh_flags_store);
+
+ r = get_cache_directory(session, mb, &quoted_mb);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ r = mailsession_select_folder(get_ancestor(session), mb);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free;
+ }
+
+ r = write_max_uid_value(session);
+
+ free_state(cached_data);
+ cached_data->mh_quoted_mb = quoted_mb;
+
+ r = read_max_uid_value(session);
+
+ return MAIL_NO_ERROR;
+
+ free:
+ free(quoted_mb);
+ err:
+ return res;
+}
+
+static int mhdriver_cached_expunge_folder(mailsession * session)
+{
+ struct mailmh_folder * folder;
+ int res;
+ char filename_flags[PATH_MAX];
+ struct mail_cache_db * cache_db_flags;
+ MMAPString * mmapstr;
+ struct mh_cached_session_state_data * cached_data;
+ unsigned int i;
+ int r;
+
+ cached_data = get_cached_data(session);
+ if (cached_data->mh_quoted_mb == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ mh_flags_store_process(cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb,
+ cached_data->mh_flags_store);
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_flags_directory, cached_data->mh_quoted_mb, FLAGS_NAME);
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0) {
+ res = MAIL_ERROR_FILE;
+ goto err;
+ }
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto close_db_flags;
+ }
+
+ for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) {
+ struct mailmh_msg_info * mh_info;
+ struct mail_flags * flags;
+
+ mh_info = carray_get(folder->fl_msgs_tab, i);
+ if (mh_info == NULL)
+ continue;
+
+ r = mhdriver_get_cached_flags(cache_db_flags, mmapstr,
+ session, mh_info->msg_index, &flags);
+ if (r != MAIL_NO_ERROR)
+ continue;
+
+ if (flags->fl_flags & MAIL_FLAG_DELETED) {
+ r = mailmh_folder_remove_message(folder, mh_info->msg_index);
+ }
+
+ mail_flags_free(flags);
+ }
+
+ mmap_string_free(mmapstr);
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+
+ mailmh_folder_update(folder);
+
+ return MAIL_NO_ERROR;
+
+ close_db_flags:
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ err:
+ return res;
+}
+
+
+static int mhdriver_cached_status_folder(mailsession * session, char * mb,
+ uint32_t * result_messages,
+ uint32_t * result_recent,
+ uint32_t * result_unseen)
+{
+ struct mailmh_folder * folder;
+ int res;
+ char filename_flags[PATH_MAX];
+ struct mail_cache_db * cache_db_flags;
+ MMAPString * mmapstr;
+ struct mh_cached_session_state_data * cached_data;
+ unsigned int i;
+ int r;
+ uint32_t count;
+ uint32_t recent;
+ uint32_t unseen;
+
+ r = mhdriver_cached_select_folder(session, mb);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ count = 0;
+ recent = 0;
+ unseen = 0;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ cached_data = get_cached_data(session);
+ if (cached_data->mh_quoted_mb == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb, FLAGS_NAME);
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0) {
+ res = MAIL_ERROR_FILE;
+ goto err;
+ }
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto close_db_flags;
+ }
+
+ for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) {
+ struct mailmh_msg_info * mh_info;
+ struct mail_flags * flags;
+
+ mh_info = carray_get(folder->fl_msgs_tab, i);
+ if (mh_info == NULL)
+ continue;
+
+ count ++;
+
+ r = mhdriver_get_cached_flags(cache_db_flags, mmapstr,
+ session, mh_info->msg_index,
+ &flags);
+
+ if (r != MAIL_NO_ERROR) {
+ recent ++;
+ unseen ++;
+ continue;
+ }
+
+ if ((flags->fl_flags & MAIL_FLAG_NEW) != 0) {
+ recent ++;
+ }
+ if ((flags->fl_flags & MAIL_FLAG_SEEN) == 0) {
+ unseen ++;
+ }
+ mail_flags_free(flags);
+ }
+
+ mmap_string_free(mmapstr);
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+
+ * result_messages = count;
+ * result_recent = recent;
+ * result_unseen = unseen;
+
+ return MAIL_NO_ERROR;
+
+ close_db_flags:
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ err:
+ return res;
+}
+
+static int mhdriver_cached_messages_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ return mailsession_messages_number(get_ancestor(session), mb, result);
+}
+
+static int mhdriver_cached_recent_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ uint32_t messages;
+ uint32_t recent;
+ uint32_t unseen;
+ int r;
+
+ r = mhdriver_cached_status_folder(session, mb, &messages, &recent, &unseen);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = recent;
+
+ return MAIL_NO_ERROR;
+}
+
+
+static int mhdriver_cached_unseen_number(mailsession * session, char * mb,
+ uint32_t * result)
+{
+ uint32_t messages;
+ uint32_t recent;
+ uint32_t unseen;
+ int r;
+
+ r = mhdriver_cached_status_folder(session, mb, &messages, &recent, &unseen);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = recent;
+
+ return MAIL_NO_ERROR;
+}
+
+
+static int mhdriver_cached_list_folders(mailsession * session, char * mb,
+ struct mail_list ** result)
+{
+ return mailsession_list_folders(get_ancestor(session), mb, result);
+}
+
+static int mhdriver_cached_lsub_folders(mailsession * session, char * mb,
+ struct mail_list ** result)
+{
+ return mailsession_lsub_folders(get_ancestor(session), mb, result);
+}
+
+static int mhdriver_cached_subscribe_folder(mailsession * session, char * mb)
+{
+ return mailsession_subscribe_folder(get_ancestor(session), mb);
+}
+
+static int mhdriver_cached_unsubscribe_folder(mailsession * session,
+ char * mb)
+{
+ return mailsession_unsubscribe_folder(get_ancestor(session), mb);
+}
+
+/* messages operations */
+
+static int mhdriver_cached_append_message(mailsession * session,
+ char * message, size_t size)
+{
+ return mhdriver_cached_append_message_flags(session,
+ message, size, NULL);
+}
+
+static int mhdriver_cached_append_message_flags(mailsession * session,
+ char * message, size_t size, struct mail_flags * flags)
+{
+ int r;
+ struct mailmh_folder * folder;
+ struct mailmh_msg_info * msg_info;
+ chashdatum key;
+ chashdatum value;
+ uint32_t uid;
+ struct mh_cached_session_state_data * data;
+ char filename_flags[PATH_MAX];
+ struct mail_cache_db * cache_db_flags;
+ MMAPString * mmapstr;
+ char keyname[PATH_MAX];
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL)
+ return MAIL_ERROR_BAD_STATE;
+
+ r = mailmh_folder_add_message_uid(folder,
+ message, size, &uid);
+
+ switch (r) {
+ case MAILMH_ERROR_FILE:
+ return MAIL_ERROR_DISKSPACE;
+
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ return mhdriver_mh_error_to_mail_error(r);
+ }
+
+ if (flags == NULL)
+ goto exit;
+
+ key.data = &uid;
+ key.len = sizeof(uid);
+ r = chash_get(folder->fl_msgs_hash, &key, &value);
+ if (r < 0)
+ return MAIL_ERROR_CACHE_MISS;
+
+ msg_info = value.data;
+
+ data = get_cached_data(session);
+
+ snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
+ data->mh_flags_directory, data->mh_quoted_mb, FLAGS_NAME);
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0)
+ goto exit;
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL)
+ goto close_db_flags;
+
+ snprintf(keyname, PATH_MAX, "%u-%lu-%lu-flags",
+ uid, (unsigned long) msg_info->msg_mtime,
+ (unsigned long) msg_info->msg_size);
+
+ r = mhdriver_write_cached_flags(cache_db_flags, mmapstr, keyname, flags);
+
+ mmap_string_free(mmapstr);
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+
+ if (r != MAIL_NO_ERROR)
+ goto exit;
+
+ return MAIL_NO_ERROR;
+
+ close_db_flags:
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ exit:
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_cached_copy_message(mailsession * session,
+ uint32_t num, char * mb)
+{
+ return mailsession_copy_message(get_ancestor(session), num, mb);
+}
+
+static int mhdriver_cached_remove_message(mailsession * session, uint32_t num)
+{
+ return mailsession_remove_message(get_ancestor(session), num);
+}
+
+static int mhdriver_cached_move_message(mailsession * session,
+ uint32_t num, char * mb)
+{
+ return mailsession_move_message(get_ancestor(session), num, mb);
+}
+
+static int
+mhdriver_cached_get_messages_list(mailsession * session,
+ struct mailmessage_list ** result)
+{
+ struct mailmh_folder * folder;
+ int res;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ return mh_get_messages_list(folder, session,
+ mh_cached_message_driver, result);
+
+ err:
+ return res;
+}
+
+
+
+static int
+get_cached_envelope(struct mail_cache_db * cache_db, MMAPString * mmapstr,
+ mailsession * session, uint32_t num,
+ struct mailimf_fields ** result)
+{
+ int r;
+ char keyname[PATH_MAX];
+ struct mailimf_fields * fields;
+ int res;
+ struct mailmh_folder * folder;
+ struct mailmh_msg_info * msg_info;
+ chashdatum key;
+ chashdatum data;
+
+ folder = get_mh_cur_folder(session);
+
+#if 0
+ msg_info = cinthash_find(mh_data->mh_cur_folder->fl_msgs_hash, num);
+ if (msg_info == NULL)
+ return MAIL_ERROR_CACHE_MISS;
+#endif
+ key.data = &num;
+ key.len = sizeof(num);
+ r = chash_get(folder->fl_msgs_hash, &key, &data);
+ if (r < 0)
+ return MAIL_ERROR_CACHE_MISS;
+ msg_info = data.data;
+
+ snprintf(keyname, PATH_MAX, "%u-%lu-%lu-envelope",
+ num, (unsigned long) msg_info->msg_mtime,
+ (unsigned long) msg_info->msg_size);
+
+ r = generic_cache_fields_read(cache_db, mmapstr, keyname, &fields);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ * result = fields;
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+static int
+write_cached_envelope(struct mail_cache_db * cache_db, MMAPString * mmapstr,
+ mailsession * session, uint32_t num,
+ struct mailimf_fields * fields)
+{
+ int r;
+ char keyname[PATH_MAX];
+ int res;
+ struct mailmh_folder * folder;
+ chashdatum key;
+ chashdatum data;
+ struct mailmh_msg_info * msg_info;
+
+ folder = get_mh_cur_folder(session);
+#if 0
+ msg_info = cinthash_find(mh_data->mh_cur_folder->fl_msgs_hash, num);
+ if (msg_info == NULL) {
+ res = MAIL_ERROR_CACHE_MISS;
+ goto err;
+ }
+#endif
+ key.data = &num;
+ key.len = sizeof(num);
+ r = chash_get(folder->fl_msgs_hash, &key, &data);
+ if (r < 0)
+ return MAIL_ERROR_CACHE_MISS;
+ msg_info = data.data;
+
+ snprintf(keyname, PATH_MAX, "%u-%lu-%lu-envelope",
+ num, (unsigned long) msg_info->msg_mtime,
+ (unsigned long) msg_info->msg_size);
+
+ r = generic_cache_fields_write(cache_db, mmapstr, keyname, fields);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+static int
+mhdriver_cached_get_envelopes_list(mailsession * session,
+ struct mailmessage_list * env_list)
+{
+ int r;
+ unsigned int i;
+ char filename_env[PATH_MAX];
+ char filename_flags[PATH_MAX];
+ struct mail_cache_db * cache_db_env;
+ struct mail_cache_db * cache_db_flags;
+ MMAPString * mmapstr;
+ int res;
+ struct mh_cached_session_state_data * cached_data;
+
+ cached_data = get_cached_data(session);
+ if (cached_data->mh_quoted_mb == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ mh_flags_store_process(cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb,
+ cached_data->mh_flags_store);
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ snprintf(filename_env, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_cache_directory,
+ cached_data->mh_quoted_mb, ENV_NAME);
+
+ r = mail_cache_db_open_lock(filename_env, &cache_db_env);
+ if (r < 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_mmapstr;
+ }
+
+ snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_flags_directory, cached_data->mh_quoted_mb, FLAGS_NAME);
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto close_db_env;
+ }
+
+ /* fill with cached */
+
+ for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) {
+ mailmessage * msg;
+ struct mailimf_fields * fields;
+ struct mail_flags * flags;
+
+ msg = carray_get(env_list->msg_tab, i);
+
+ if (msg->msg_fields == NULL) {
+ r = get_cached_envelope(cache_db_env, mmapstr,
+ msg->msg_session, msg->msg_index, &fields);
+ if (r == MAIL_NO_ERROR) {
+ msg->msg_cached = TRUE;
+ msg->msg_fields = fields;
+ }
+ }
+
+ if (msg->msg_flags == NULL) {
+ r = mhdriver_get_cached_flags(cache_db_flags, mmapstr,
+ session, msg->msg_index, &flags);
+ if (r == MAIL_NO_ERROR) {
+ msg->msg_flags = flags;
+ }
+ }
+ }
+
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ mail_cache_db_close_unlock(filename_env, cache_db_env);
+
+ r = mailsession_get_envelopes_list(get_ancestor(session), env_list);
+
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free_mmapstr;
+ }
+
+ r = mail_cache_db_open_lock(filename_env, &cache_db_env);
+ if (r < 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_mmapstr;
+ }
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto close_db_env;
+ }
+
+ /* add flags */
+
+ for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) {
+ mailmessage * msg;
+
+ msg = carray_get(env_list->msg_tab, i);
+
+ if (msg->msg_flags == NULL)
+ msg->msg_flags = mail_flags_new_empty();
+ }
+
+ /* must write cache */
+
+ for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) {
+ mailmessage * msg;
+
+ msg = carray_get(env_list->msg_tab, i);
+
+ if (msg->msg_fields != NULL) {
+ if (!msg->msg_cached) {
+ r = write_cached_envelope(cache_db_env, mmapstr,
+ session, msg->msg_index, msg->msg_fields);
+ }
+ }
+
+ if (msg->msg_flags != NULL) {
+ r = mhdriver_write_cached_flags(cache_db_flags, mmapstr,
+ msg->msg_uid, msg->msg_flags);
+ }
+ }
+
+ /* flush cache */
+
+ maildriver_cache_clean_up(cache_db_env, cache_db_flags, env_list);
+
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ mail_cache_db_close_unlock(filename_env, cache_db_env);
+
+ mmap_string_free(mmapstr);
+
+ return MAIL_NO_ERROR;
+
+ close_db_env:
+ mail_cache_db_close_unlock(filename_env, cache_db_env);
+ free_mmapstr:
+ mmap_string_free(mmapstr);
+ err:
+ return res;
+}
+
+static int mhdriver_cached_get_message(mailsession * session,
+ uint32_t num, mailmessage ** result)
+{
+ mailmessage * msg_info;
+ int r;
+
+ msg_info = mailmessage_new();
+ if (msg_info == NULL)
+ return MAIL_ERROR_MEMORY;
+
+ r = mailmessage_init(msg_info, session, mh_cached_message_driver, num, 0);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = msg_info;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mhdriver_cached_get_message_by_uid(mailsession * session,
+ const char * uid,
+ mailmessage ** result)
+{
+ uint32_t index;
+ char *p;
+ struct mailmh_msg_info * mh_msg_info;
+ struct mailmh_folder * folder;
+ time_t mtime;
+ char * mtime_p;
+ chashdatum key;
+ chashdatum data;
+ int r;
+
+ if (uid == NULL)
+ return MAIL_ERROR_INVAL;
+
+ index = strtoul(uid, &p, 10);
+ if (p == uid || * p != '-')
+ return MAIL_ERROR_INVAL;
+
+ folder = get_mh_cur_folder(session);
+
+ mh_msg_info = NULL;
+ key.data = &index;
+ key.len = sizeof(index);
+ r = chash_get(folder->fl_msgs_hash, &key, &data);
+ if (r < 0)
+ return MAIL_ERROR_MSG_NOT_FOUND;
+
+ mh_msg_info = data.data;
+
+ mtime_p = p + 1;
+
+ mtime = strtoul(mtime_p, &p, 10);
+ if ((* p == '-') && (mtime == mh_msg_info->msg_mtime)) {
+ size_t size;
+ char *size_p;
+
+ size_p = p + 1;
+ size = strtoul(size_p, &p, 10);
+ if ((* p == '\0') && (size == mh_msg_info->msg_size))
+ return mhdriver_cached_get_message(session, index, result);
+ }
+ else if (*p != '-') {
+ return MAIL_ERROR_INVAL;
+ }
+
+ return MAIL_ERROR_MSG_NOT_FOUND;
+}
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_cached.h b/libetpan/src/driver/implementation/mh/mhdriver_cached.h
new file mode 100644
index 0000000..d2e5803
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_cached.h
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHDRIVER_CACHED_H
+
+#define MHDRIVER_CACHED_H
+
+#include <libetpan/mhdriver_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern mailsession_driver * mh_cached_session_driver;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_cached_message.c b/libetpan/src/driver/implementation/mh/mhdriver_cached_message.c
new file mode 100644
index 0000000..a59beea
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_cached_message.c
@@ -0,0 +1,338 @@
+/*
+ * 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_cached.h"
+#include "mailmh.h"
+#include "generic_cache.h"
+
+#include "mail_cache_db.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_get_flags(mailmessage * msg_info,
+ struct mail_flags ** result);
+
+static void mh_uninitialize(mailmessage * msg_info);
+
+static void mh_flush(mailmessage * msg_info);
+
+static void mh_check(mailmessage * msg_info);
+
+static int mh_fetch_header(mailmessage * msg_info,
+ char ** result,
+ size_t * result_len);
+
+static mailmessage_driver local_mh_cached_message_driver = {
+ .msg_name = "mh-cached",
+
+ .msg_initialize = mh_initialize,
+ .msg_uninitialize = mh_uninitialize,
+
+ .msg_flush = mh_flush,
+ .msg_check = mh_check,
+
+ .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 = mh_get_flags,
+};
+
+mailmessage_driver * mh_cached_message_driver =
+&local_mh_cached_message_driver;
+
+static inline struct mh_cached_session_state_data *
+get_cached_session_data(mailmessage * msg)
+{
+ return msg->msg_session->sess_data;
+}
+
+static inline mailsession * get_ancestor_session(mailmessage * msg)
+{
+ return get_cached_session_data(msg)->mh_ancestor;
+}
+
+static inline struct mh_session_state_data *
+get_ancestor_session_data(mailmessage * msg)
+{
+ return get_ancestor_session(msg)->sess_data;
+}
+
+static inline struct mailmh *
+get_mh_session(mailmessage * msg)
+{
+ return get_ancestor_session_data(msg)->mh_session;
+}
+
+static inline struct mailmh_folder *
+get_mh_cur_folder(mailmessage * msg)
+{
+ return get_ancestor_session_data(msg)->mh_cur_folder;
+}
+
+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(get_ancestor_session(msg_info),
+ 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 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 data;
+ struct mailmh_folder * folder;
+
+ folder = get_mh_cur_folder(msg_info);
+
+ key.data = &msg_info->msg_index;
+ key.len = sizeof(msg_info->msg_index);
+ r = chash_get(folder->fl_msgs_hash, &key, &data);
+ if (r < 0)
+ return MAIL_ERROR_INVAL;
+
+ mh_msg_info = data.data;
+
+ snprintf(static_uid, PATH_MAX, "%u-%lu-%lu", msg_info->msg_index,
+ 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 void mh_uninitialize(mailmessage * msg_info)
+{
+ mailmessage_generic_uninitialize(msg_info);
+}
+
+
+#define FLAGS_NAME "flags.db"
+
+static void mh_flush(mailmessage * msg_info)
+{
+ mailmessage_generic_flush(msg_info);
+}
+
+static void mh_check(mailmessage * msg_info)
+{
+ int r;
+
+ if (msg_info->msg_flags != NULL) {
+ r = mail_flags_store_set(get_cached_session_data(msg_info)->mh_flags_store,
+ msg_info);
+ /* ignore errors */
+ }
+}
+
+static int mh_fetch_size(mailmessage * msg_info,
+ size_t * result)
+{
+ int r;
+ size_t size;
+
+ r = mhdriver_fetch_size(get_ancestor_session(msg_info),
+ msg_info->msg_index, &size);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = size;
+
+ return MAIL_NO_ERROR;
+}
+
+static int mh_get_flags(mailmessage * msg_info,
+ struct mail_flags ** result)
+{
+ int r;
+ struct mail_flags * flags;
+ struct mail_cache_db * cache_db_flags;
+ char filename_flags[PATH_MAX];
+ int res;
+ struct mh_cached_session_state_data * cached_data;
+ MMAPString * mmapstr;
+
+ if (msg_info->msg_flags != NULL) {
+ * result = msg_info->msg_flags;
+
+ return MAIL_NO_ERROR;
+ }
+
+ cached_data = get_cached_session_data(msg_info);
+
+ flags = mail_flags_store_get(cached_data->mh_flags_store,
+ msg_info->msg_index);
+
+ if (flags == NULL) {
+ if (cached_data->mh_quoted_mb == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ snprintf(filename_flags, PATH_MAX, "%s/%s/%s",
+ cached_data->mh_flags_directory,
+ cached_data->mh_quoted_mb, FLAGS_NAME);
+
+ r = mail_cache_db_open_lock(filename_flags, &cache_db_flags);
+ if (r < 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ mmapstr = mmap_string_new("");
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto close_db_flags;
+ }
+
+ r = mhdriver_get_cached_flags(cache_db_flags, mmapstr,
+ msg_info->msg_session, msg_info->msg_index, &flags);
+ if (r != MAIL_NO_ERROR) {
+ flags = mail_flags_new_empty();
+ if (flags == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_mmapstr;
+ }
+ }
+
+ mmap_string_free(mmapstr);
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ }
+
+ msg_info->msg_flags = flags;
+
+ * result = flags;
+
+ return MAIL_NO_ERROR;
+
+ free_mmapstr:
+ mmap_string_free(mmapstr);
+ close_db_flags:
+ mail_cache_db_close_unlock(filename_flags, cache_db_flags);
+ err:
+ return res;
+}
+
+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) {
+ return mailmessage_generic_fetch_header(msg_info, result, result_len);
+ }
+ else {
+ r = mhdriver_fetch_header(get_ancestor_session(msg_info),
+ 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;
+ }
+}
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_cached_message.h b/libetpan/src/driver/implementation/mh/mhdriver_cached_message.h
new file mode 100644
index 0000000..f585708
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_cached_message.h
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHDRIVER_CACHED_MESSAGE_H
+
+#define MHDRIVER_CACHED_MESSAGE_H
+
+#include <libetpan/mhdriver_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern mailmessage_driver * mh_cached_message_driver;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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;
+ }
+}
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_message.h b/libetpan/src/driver/implementation/mh/mhdriver_message.h
new file mode 100644
index 0000000..2b11f3e
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_message.h
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHDRIVER_MESSAGE_H
+
+#define MHDRIVER_MESSAGE_H
+
+#include <libetpan/mhdriver_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern mailmessage_driver * mh_message_driver;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_tools.c b/libetpan/src/driver/implementation/mh/mhdriver_tools.c
new file mode 100644
index 0000000..b8bcf03
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_tools.c
@@ -0,0 +1,484 @@
+/*
+ * 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_tools.h"
+
+#include "mailmessage.h"
+#include "mhdriver.h"
+#include "mhdriver_cached.h"
+#include "maildriver_types.h"
+#include "mailmh.h"
+#include "generic_cache.h"
+#include "imfcache.h"
+#include "mail_cache_db.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>
+
+int mhdriver_mh_error_to_mail_error(int error)
+{
+ switch (error) {
+ case MAILMH_NO_ERROR:
+ return MAIL_NO_ERROR;
+
+ case MAILMH_ERROR_FOLDER:
+ return MAIL_ERROR_FOLDER;
+
+ case MAILMH_ERROR_MEMORY:
+ return MAIL_ERROR_MEMORY;
+
+ case MAILMH_ERROR_FILE:
+ return MAIL_ERROR_FILE;
+
+ case MAILMH_ERROR_COULD_NOT_ALLOC_MSG:
+ return MAIL_ERROR_APPEND;
+
+ case MAILMH_ERROR_RENAME:
+ return MAIL_ERROR_RENAME;
+
+ case MAILMH_ERROR_MSG_NOT_FOUND:
+ return MAIL_ERROR_MSG_NOT_FOUND;
+
+ default:
+ return MAIL_ERROR_INVAL;
+ }
+}
+
+
+static inline struct mh_session_state_data * get_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+static inline struct mailmh_folder * get_mh_cur_folder(mailsession * session)
+{
+ return get_data(session)->mh_cur_folder;
+}
+
+static inline struct mh_cached_session_state_data *
+cached_get_data(mailsession * session)
+{
+ return session->sess_data;
+}
+
+
+static inline mailsession * cached_get_ancestor(mailsession * session)
+{
+ return cached_get_data(session)->mh_ancestor;
+}
+
+static inline struct mh_session_state_data *
+cached_get_ancestor_data(mailsession * session)
+{
+ return get_data(cached_get_ancestor(session));
+}
+
+static inline struct mailmh_folder *
+cached_get_mh_cur_folder(mailsession * session)
+{
+ return get_mh_cur_folder(cached_get_ancestor(session));
+}
+
+int mhdriver_fetch_message(mailsession * session, uint32_t index,
+ char ** result, size_t * result_len)
+{
+ size_t size;
+ size_t cur_token;
+ struct mailmh_folder * folder;
+ int fd;
+ MMAPString * mmapstr;
+ char * str;
+ int res;
+ int r;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ r = mailmh_folder_get_message_fd(folder, index, O_RDONLY, &fd);
+
+ switch (r) {
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ res = mhdriver_mh_error_to_mail_error(r);
+ goto close;
+ }
+
+ r = mhdriver_fetch_size(session, index, &size);
+
+ switch (r) {
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ res = mhdriver_mh_error_to_mail_error(r);
+ goto close;
+ }
+
+ str = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
+ if (str == MAP_FAILED) {
+ res = MAIL_ERROR_FETCH;
+ goto close;
+ }
+
+ /* strip "From " header for broken implementations */
+ /* XXX - called twice, make a function */
+ cur_token = 0;
+ if (strncmp("From ", str, 5) == 0) {
+ cur_token += 5;
+
+ while (1) {
+ if (str[cur_token] == '\n') {
+ cur_token ++;
+ break;
+ }
+ if (cur_token >= size)
+ break;
+ cur_token ++;
+ }
+ }
+
+ mmapstr = mmap_string_new_len(str + cur_token, size - cur_token);
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto unmap;
+ }
+
+ if (mmap_string_ref(mmapstr) != 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_str;
+ }
+
+ munmap(str, size);
+ close(fd);
+
+ * result = mmapstr->str;
+ * result_len = mmapstr->len;
+
+ return MAIL_NO_ERROR;
+
+ free_str:
+ mmap_string_free(mmapstr);
+ unmap:
+ munmap(str, size);
+ close:
+ close(fd);
+ err:
+ return res;
+}
+
+
+int mhdriver_fetch_header(mailsession * session, uint32_t index,
+ char ** result, size_t * result_len)
+{
+ size_t size;
+ size_t cur_token;
+ size_t begin;
+ struct mailmh_folder * folder;
+ int fd;
+ MMAPString * mmapstr;
+ char * str;
+ int res;
+ int r;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL) {
+ res = MAIL_ERROR_BAD_STATE;
+ goto err;
+ }
+
+ r = mailmh_folder_get_message_fd(folder, index, O_RDONLY, &fd);
+
+ switch (r) {
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ res = mhdriver_mh_error_to_mail_error(r);
+ goto close;
+ }
+
+ r = mhdriver_fetch_size(session, index, &size);
+
+ switch (r) {
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ res = mhdriver_mh_error_to_mail_error(r);
+ goto close;
+ }
+
+ str = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
+ if (str == MAP_FAILED) {
+ res = MAIL_ERROR_FETCH;
+ goto close;
+ }
+
+ /* strip "From " header for broken implementations */
+ cur_token = 0;
+ if (size > 5) {
+ if (strncmp("From ", str, 5) == 0) {
+ cur_token += 5;
+
+ while (1) {
+ if (str[cur_token] == '\n') {
+ cur_token ++;
+ break;
+ }
+ if (cur_token >= size)
+ break;
+ cur_token ++;
+ }
+ }
+ }
+
+ begin = cur_token;
+
+ while (1) {
+ r = mailimf_ignore_field_parse(str, size, &cur_token);
+ if (r == MAILIMF_NO_ERROR) {
+ /* do nothing */
+ }
+ else
+ break;
+ }
+ mailimf_crlf_parse(str, size, &cur_token);
+
+ mmapstr = mmap_string_new_len(str + begin, cur_token - begin);
+ if (mmapstr == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto unmap;
+ }
+
+ if (mmap_string_ref(mmapstr) != 0) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_str;
+ }
+
+ munmap(str, size);
+ close(fd);
+
+ * result = mmapstr->str;
+ * result_len = mmapstr->len;
+
+ return MAIL_NO_ERROR;
+
+ free_str:
+ mmap_string_free(mmapstr);
+ unmap:
+ munmap(str, size);
+ close:
+ close(fd);
+ err:
+ return res;
+}
+
+
+int mhdriver_fetch_size(mailsession * session, uint32_t index,
+ size_t * result)
+{
+ struct mailmh_folder * folder;
+ int r;
+ struct stat buf;
+ char * name;
+
+ folder = get_mh_cur_folder(session);
+ if (folder == NULL)
+ return MAIL_ERROR_FETCH;
+
+ r = mailmh_folder_get_message_filename(folder, index, &name);
+
+ switch (r) {
+ case MAILMH_NO_ERROR:
+ break;
+
+ default:
+ return mhdriver_mh_error_to_mail_error(r);
+ }
+
+ r = stat(name, &buf);
+ free(name);
+ if (r == -1)
+ return MAIL_ERROR_FETCH;
+
+ * result = buf.st_size;
+
+ return MAIL_NO_ERROR;
+}
+
+int
+mhdriver_get_cached_flags(struct mail_cache_db * cache_db,
+ MMAPString * mmapstr,
+ mailsession * session,
+ uint32_t num,
+ struct mail_flags ** result)
+{
+ int r;
+ char keyname[PATH_MAX];
+ struct mail_flags * flags;
+ int res;
+ struct mailmh_msg_info * msg_info;
+ chashdatum key;
+ chashdatum data;
+ struct mailmh_folder * folder;
+
+ folder = cached_get_mh_cur_folder(session);
+#if 0
+ msg_info = cinthash_find(mh_data->cur_folder->fl_msgs_hash, num);
+ if (msg_info == NULL)
+ return MAIL_ERROR_CACHE_MISS;
+#endif
+ key.data = &num;
+ key.len = sizeof(num);
+ r = chash_get(folder->fl_msgs_hash, &key, &data);
+ if (r < 0)
+ return MAIL_ERROR_CACHE_MISS;
+ msg_info = data.data;
+
+ snprintf(keyname, PATH_MAX, "%u-%lu-%lu-flags",
+ num, (unsigned long) msg_info->msg_mtime,
+ (unsigned long) msg_info->msg_size);
+
+ r = generic_cache_flags_read(cache_db, mmapstr, keyname, &flags);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ * result = flags;
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+int
+mhdriver_write_cached_flags(struct mail_cache_db * cache_db,
+ MMAPString * mmapstr,
+ char * uid,
+ struct mail_flags * flags)
+{
+ int r;
+ char keyname[PATH_MAX];
+ int res;
+
+ snprintf(keyname, PATH_MAX, "%s-flags", uid);
+
+ r = generic_cache_flags_write(cache_db, mmapstr, keyname, flags);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto err;
+ }
+
+ return MAIL_NO_ERROR;
+
+ err:
+ return res;
+}
+
+
+int mh_get_messages_list(struct mailmh_folder * folder,
+ mailsession * session, mailmessage_driver * driver,
+ struct mailmessage_list ** result)
+{
+ unsigned int i;
+ struct mailmessage_list * env_list;
+ int r;
+ carray * tab;
+ int res;
+
+ tab = carray_new(128);
+ if (tab == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) {
+ struct mailmh_msg_info * mh_info;
+ mailmessage * msg;
+
+ mh_info = carray_get(folder->fl_msgs_tab, i);
+ if (mh_info == NULL)
+ continue;
+
+ msg = mailmessage_new();
+ if (msg == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ r = mailmessage_init(msg, session, driver,
+ mh_info->msg_index, mh_info->msg_size);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free_list;
+ }
+
+ r = carray_add(tab, msg, NULL);
+ if (r < 0) {
+ mailmessage_free(msg);
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+ }
+
+ env_list = mailmessage_list_new(tab);
+ if (env_list == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto free_list;
+ }
+
+ * result = env_list;
+
+ return MAIL_NO_ERROR;
+
+ free_list:
+ for(i = 0 ; i < carray_count(tab) ; i ++)
+ mailmessage_free(carray_get(tab, i));
+ carray_free(tab);
+ err:
+ return res;
+}
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_tools.h b/libetpan/src/driver/implementation/mh/mhdriver_tools.h
new file mode 100644
index 0000000..7b8928e
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_tools.h
@@ -0,0 +1,80 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHDRIVER_TOOLS_H
+
+#define MHDRIVER_TOOLS_H
+
+#include "maildriver_types.h"
+#include "mail_cache_db_types.h"
+#include "mailmh.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int mhdriver_mh_error_to_mail_error(int error);
+
+int mhdriver_fetch_message(mailsession * session, uint32_t index,
+ char ** result, size_t * result_len);
+
+int mhdriver_fetch_header(mailsession * session, uint32_t index,
+ char ** result, size_t * result_len);
+
+int mhdriver_fetch_size(mailsession * session, uint32_t index,
+ size_t * result);
+
+int
+mhdriver_get_cached_flags(struct mail_cache_db * cache_db,
+ MMAPString * mmapstr,
+ mailsession * session,
+ uint32_t num,
+ struct mail_flags ** result);
+
+int
+mhdriver_write_cached_flags(struct mail_cache_db * cache_db,
+ MMAPString * mmapstr,
+ char * uid,
+ struct mail_flags * flags);
+
+int mh_get_messages_list(struct mailmh_folder * folder,
+ mailsession * session, mailmessage_driver * driver,
+ struct mailmessage_list ** result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libetpan/src/driver/implementation/mh/mhdriver_types.h b/libetpan/src/driver/implementation/mh/mhdriver_types.h
new file mode 100644
index 0000000..45afb64
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhdriver_types.h
@@ -0,0 +1,100 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHDRIVER_TYPES_H
+
+#define MHDRIVER_TYPES_H
+
+#include <libetpan/libetpan-config.h>
+
+#include <libetpan/maildriver_types.h>
+#include <libetpan/mailmh.h>
+#include <libetpan/clist.h>
+#include <libetpan/generic_cache_types.h>
+#include <libetpan/mailstorage_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct mh_session_state_data {
+ struct mailmh * mh_session;
+
+ struct mailmh_folder * mh_cur_folder;
+
+ clist * mh_subscribed_list;
+};
+
+enum {
+ MHDRIVER_CACHED_SET_CACHE_DIRECTORY = 1,
+ MHDRIVER_CACHED_SET_FLAGS_DIRECTORY,
+};
+
+struct mh_cached_session_state_data {
+ mailsession * mh_ancestor;
+ char * mh_quoted_mb;
+ char mh_cache_directory[PATH_MAX];
+ char mh_flags_directory[PATH_MAX];
+ struct mail_flags_store * mh_flags_store;
+};
+
+/* mh storage */
+
+/*
+ mh_mailstorage is the state data specific to the MH storage.
+
+ - pathname is the root path of the MH storage.
+
+ - cached if this value is != 0, a persistant cache will be
+ stored on local system.
+
+ - cache_directory is the location of the cache.
+
+ - flags_directory is the location of the flags.
+*/
+
+struct mh_mailstorage {
+ char * mh_pathname;
+
+ int mh_cached;
+ char * mh_cache_directory;
+ char * mh_flags_directory;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libetpan/src/driver/implementation/mh/mhstorage.c b/libetpan/src/driver/implementation/mh/mhstorage.c
new file mode 100644
index 0000000..e7fc2f0
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhstorage.c
@@ -0,0 +1,192 @@
+/*
+ * 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 "mhstorage.h"
+
+#include "mhdriver.h"
+#include "mhdriver_cached.h"
+#include "mail.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+/* mh storage */
+
+static int mh_mailstorage_connect(struct mailstorage * storage);
+static int mh_mailstorage_get_folder_session(struct mailstorage * storage,
+ char * pathname, mailsession ** result);
+static void mh_mailstorage_uninitialize(struct mailstorage * storage);
+
+static mailstorage_driver mh_mailstorage_driver = {
+ .sto_name = "mh",
+ .sto_connect = mh_mailstorage_connect,
+ .sto_get_folder_session = mh_mailstorage_get_folder_session,
+ .sto_uninitialize = mh_mailstorage_uninitialize,
+};
+
+int mh_mailstorage_init(struct mailstorage * storage,
+ char * mh_pathname, int mh_cached,
+ char * mh_cache_directory, char * mh_flags_directory)
+{
+ struct mh_mailstorage * mh_storage;
+
+ mh_storage = malloc(sizeof(* mh_storage));
+ if (mh_storage == NULL)
+ goto err;
+
+ mh_storage->mh_pathname = strdup(mh_pathname);
+ if (mh_storage->mh_pathname == NULL)
+ goto free;
+
+ mh_storage->mh_cached = mh_cached;
+
+ if (mh_cached && (mh_cache_directory != NULL) &&
+ (mh_flags_directory != NULL)) {
+ mh_storage->mh_cache_directory = strdup(mh_cache_directory);
+ if (mh_storage->mh_cache_directory == NULL)
+ goto free_pathname;
+ mh_storage->mh_flags_directory = strdup(mh_flags_directory);
+ if (mh_storage->mh_flags_directory == NULL)
+ goto free_cache_directory;
+ }
+ else {
+ mh_storage->mh_cached = FALSE;
+ mh_storage->mh_cache_directory = NULL;
+ mh_storage->mh_flags_directory = NULL;
+ }
+
+ storage->sto_data = mh_storage;
+ storage->sto_driver = &mh_mailstorage_driver;
+
+ return MAIL_NO_ERROR;
+
+ free_cache_directory:
+ free(mh_storage->mh_cache_directory);
+ free_pathname:
+ free(mh_storage->mh_pathname);
+ free:
+ free(mh_storage);
+ err:
+ return MAIL_ERROR_MEMORY;
+}
+
+static void mh_mailstorage_uninitialize(struct mailstorage * storage)
+{
+ struct mh_mailstorage * mh_storage;
+
+ mh_storage = storage->sto_data;
+ if (mh_storage->mh_flags_directory != NULL)
+ free(mh_storage->mh_flags_directory);
+ if (mh_storage->mh_cache_directory != NULL)
+ free(mh_storage->mh_cache_directory);
+ free(mh_storage->mh_pathname);
+ free(mh_storage);
+
+ storage->sto_data = NULL;
+}
+
+static int mh_mailstorage_connect(struct mailstorage * storage)
+{
+ struct mh_mailstorage * mh_storage;
+ mailsession_driver * driver;
+ int r;
+ int res;
+ mailsession * session;
+
+ mh_storage = storage->sto_data;
+
+ if (mh_storage->mh_cached)
+ driver = mh_cached_session_driver;
+ else
+ driver = mh_session_driver;
+
+ session = mailsession_new(driver);
+ if (session == NULL) {
+ res = MAIL_ERROR_MEMORY;
+ goto err;
+ }
+
+ if (mh_storage->mh_cached) {
+ r = mailsession_parameters(session,
+ MHDRIVER_CACHED_SET_CACHE_DIRECTORY,
+ mh_storage->mh_cache_directory);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free;
+ }
+
+ r = mailsession_parameters(session,
+ MHDRIVER_CACHED_SET_FLAGS_DIRECTORY,
+ mh_storage->mh_flags_directory);
+ if (r != MAIL_NO_ERROR) {
+ res = r;
+ goto free;
+ }
+ }
+
+ r = mailsession_connect_path(session, mh_storage->mh_pathname);
+ switch (r) {
+ case MAIL_NO_ERROR_NON_AUTHENTICATED:
+ case MAIL_NO_ERROR_AUTHENTICATED:
+ case MAIL_NO_ERROR:
+ break;
+ default:
+ res = r;
+ goto free;
+ }
+
+ storage->sto_session = session;
+
+ return MAIL_NO_ERROR;
+
+ free:
+ mailsession_free(session);
+ err:
+ return res;
+}
+
+static int mh_mailstorage_get_folder_session(struct mailstorage * storage,
+ char * pathname, mailsession ** result)
+{
+ int r;
+
+ r = mailsession_select_folder(storage->sto_session, pathname);
+ if (r != MAIL_NO_ERROR)
+ return r;
+
+ * result = storage->sto_session;
+
+ return MAIL_NO_ERROR;
+}
diff --git a/libetpan/src/driver/implementation/mh/mhstorage.h b/libetpan/src/driver/implementation/mh/mhstorage.h
new file mode 100644
index 0000000..be86007
--- a/dev/null
+++ b/libetpan/src/driver/implementation/mh/mhstorage.h
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ */
+
+/*
+ * $Id$
+ */
+
+#ifndef MHSTORAGE_H
+
+#define MHSTORAGE_H
+
+#include <libetpan/mhdriver_types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ mh_mailstorage_init is the constructor for a MH storage
+
+ @param pathname is the filename the root path of the MH storage.
+
+ @param cached if this value is != 0, a persistant cache will be
+ stored on local system.
+
+ @param cache_directory is the location of the cache.
+
+ @param flags_directory is the location of the flags.
+*/
+
+int mh_mailstorage_init(struct mailstorage * storage,
+ char * mh_pathname, int mh_cached,
+ char * mh_cache_directory, char * mh_flags_directory);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif