/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
*
* Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.org> .
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <config.h>
#include "mh-uid.h"
#include "camel-log.h"
#include "camel-stream.h"
#include "camel-stream-fs.h"
#include "camel-stream-buffered-fs.h"
#include "gmime-utils.h"
#include "mh-utils.h"
#include <sys/stat.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
void
mh_generate_summary (CamelFolder *folder)
{
CamelMhFolder *mh_folder = CAMEL_MH_FOLDER (folder);
CamelFolderSummary *summary;
CamelMessageInfo *message_info;
CamelFolderInfo *subfolder_info;
CamelStream *message_stream;
guint file_number;
gchar *message_fullpath;
gchar *directory_path;
GArray *header_array;
MhUidCouple *uid_couple;
Rfc822Header *cur_header;
int i;
int n_file;
GArray *uid_array;
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary entering \n");
g_assert (folder);
directory_path = mh_folder->directory_path;
if (!directory_path) {
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary folder has no directory path\n");
return;
}
summary = camel_folder_summary_new ();
folder->summary = summary;
uid_array = mh_folder->uid_array;
if (!uid_array) {
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary "
"no uid list, that probably means there is "
"no message in this folder, exiting \n");
return;
}
uid_couple = (MhUidCouple *)uid_array->data;
for (n_file=0; n_file<uid_array->len; n_file++) {
file_number = uid_couple->file_number;
message_info = g_new0 (CamelMessageInfo, 1);
message_info->uid = g_new0 (guchar, 17);
strncpy (message_info->uid, uid_couple->uid, 16);
message_fullpath = g_strdup_printf ("%s/%d", directory_path, file_number);
message_stream = camel_stream_buffered_fs_new_with_name (message_fullpath,
CAMEL_STREAM_BUFFERED_FS_READ);
if (!message_stream) {
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary "
"could not open %d for reading\n", message_fullpath);
g_free (message_fullpath);
return;
}
g_free (message_fullpath);
header_array = get_header_array_from_stream (message_stream);
gtk_object_unref (GTK_OBJECT (message_stream));
for (i=0; i<header_array->len; i++) {
cur_header = (Rfc822Header *)header_array->data + i;
if (!g_strcasecmp (cur_header->name, "subject")) {
message_info->subject = cur_header->value;
g_free (cur_header->name);
} else if (!g_strcasecmp (cur_header->name, "sender")) {
message_info->date = cur_header->value;
g_free (cur_header->name);
} else if (!g_strcasecmp (cur_header->name, "date")) {
message_info->date = cur_header->value;
g_free (cur_header->name);
} else {
g_free (cur_header->name);
g_free (cur_header->value);
}
}
g_array_free (header_array, TRUE);
summary->message_info_list = g_list_append (summary->message_info_list, message_info);
/* next message in the uid list */
uid_couple++;
}
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::generate_summary leaving \n");
}
void
mh_save_summary (CamelMhFolder *mh_folder)
{
GArray *uid_array;
MhUidCouple *first_uid_couple;
CamelFolderSummary *summary;
GList *msg_info_list;
CamelMessageInfo *msg_info;
gchar *directory_path = mh_folder->directory_path;
gchar *summary_file_path;
gint fd;
gint i;
gint field_lgth;
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::save_summary entering \n");
summary = CAMEL_FOLDER (mh_folder)->summary;
if (!summary) return;
summary_file_path = g_strdup_printf ("%s/%s", directory_path, ".camel-summary");
CAMEL_LOG_FULL_DEBUG ("In the process of writing %s\n", summary_file_path);
fd = open (summary_file_path, O_WRONLY | O_CREAT );
if (!fd) {
CAMEL_LOG_FULL_DEBUG ("could not open file %s for writing. Exiting.\n", summary_file_path);
g_free (summary_file_path);
return;
}
g_free (summary_file_path);
msg_info_list = summary->message_info_list;
while (msg_info_list) {
msg_info = msg_info_list->data;
/* write subject */
field_lgth = msg_info->subject ? strlen (msg_info->subject) : 0;
write (fd, &field_lgth, sizeof (gint));
if (field_lgth)
write (fd, msg_info->subject, field_lgth);
/* write uid */
field_lgth = msg_info->uid ? strlen (msg_info->uid) : 0;
write (fd, &field_lgth, sizeof (gint));
if (field_lgth)
write (fd, msg_info->uid, field_lgth);
/* write date */
field_lgth = msg_info->date ? strlen (msg_info->date) : 0;
write (fd, &field_lgth, sizeof (gint));
if (field_lgth)
write (fd, msg_info->date, field_lgth);
/* write sender */
field_lgth = msg_info->sender ? strlen (msg_info->sender) : 0;
write (fd, &field_lgth, sizeof (gint));
if (field_lgth)
write (fd, msg_info->sender, field_lgth);
msg_info_list = msg_info_list->next;
}
close (fd);
CAMEL_LOG_FULL_DEBUG ("CamelMhFolder::save_summary leaving \n");
}
gint
mh_load_summary (CamelMhFolder *mh_folder)
{
GArray *uid_array;
MhUidCouple *first_uid_couple;
CamelFolderSummary *summary;
CamelMessageInfo *msg_info;
gchar *directory_path = mh_folder->directory_path;
gchar *summary_file_path;
gint fd;
gint i;
gint field_lgth;
gboolean file_eof;
gint stat_error;
struct stat stat_buf;
summary = CAMEL_FOLDER (mh_folder)->summary;
if (summary) return 1; /* should we regenerate it ? */
summary_file_path = g_strdup_printf ("%s/%s", directory_path, ".camel-summary");
CAMEL_LOG_FULL_DEBUG ("In the process of reading %s\n", summary_file_path);
fd = open (summary_file_path, O_RDONLY);
/* tests if file exists */
stat_error = stat (summary_file_path, &stat_buf);
if (!((stat_error != -1) && S_ISREG (stat_buf.st_mode))) {
CAMEL_LOG_FULL_DEBUG ("could not open file %s for reading. Exiting.\n", summary_file_path);
g_free (summary_file_path);
return -1;
}
g_free (summary_file_path);
for (;;) {
/* read subject */
file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
if (file_eof) break;
/* allcate a summary if needed */
if (!summary)
summary = camel_folder_summary_new ();
/* allocate a message info struct */
msg_info = g_new0 (CamelMessageInfo, 1);
if (!file_eof && (field_lgth > 0)) {
msg_info->subject = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->subject, field_lgth);
} else
msg_info->subject = NULL;
/* read uid */
if (!file_eof) file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
if (!file_eof && (field_lgth > 0)) {
msg_info->uid = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->uid, field_lgth);
} else
msg_info->uid = NULL;
/* read date */
if (!file_eof) file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
if (!file_eof && (field_lgth > 0)) {
msg_info->date = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->date, field_lgth);
} else
msg_info->date = NULL;
/* read sender */
if (!file_eof) file_eof = (read (fd, &field_lgth, sizeof (gint)) <= 0);
if (!file_eof && (field_lgth > 0)) {
msg_info->sender = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->sender, field_lgth);
} else
msg_info->sender = NULL;
summary->message_info_list = g_list_prepend (summary->message_info_list,
msg_info);
}
CAMEL_FOLDER (mh_folder)->summary = summary;
close (fd);
return 1;
}
