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authorNot Zed <NotZed@HelixCode.com>2000-08-01 20:46:05 +0800
committerMichael Zucci <zucchi@src.gnome.org>2000-08-01 20:46:05 +0800
commita9309844945b699c7b5162eef47785e44789d2f1 (patch)
tree590da2a2e6c9327fcf8280f6a96291947d4ffb4f /camel/providers/mh/camel-mh-summary.c
parent60e6d0367f2782b92ce0beaf8dd45345bdbaedc1 (diff)
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Initial cut at mh provider. Well, it already does everything
mbox does. 2000-08-01 Not Zed <NotZed@HelixCode.com> * providers/mh: New mh provider implementation. * providers/Makefile.am (SUBDIRS): Added mh provider. svn path=/trunk/; revision=4444
Diffstat (limited to 'camel/providers/mh/camel-mh-summary.c')
-rw-r--r--camel/providers/mh/camel-mh-summary.c277
1 files changed, 277 insertions, 0 deletions
diff --git a/camel/providers/mh/camel-mh-summary.c b/camel/providers/mh/camel-mh-summary.c
new file mode 100644
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+++ b/camel/providers/mh/camel-mh-summary.c
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+/*
+ * Copyright (C) 2000 Helix Code Inc.
+ *
+ * Authors: Not Zed <notzed@lostzed.mmc.com.au>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <gtk/gtk.h>
+
+#include "camel-mh-summary.h"
+#include <camel/camel-mime-message.h>
+
+#include <sys/stat.h>
+#include <sys/uio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <sys/types.h>
+#include <dirent.h>
+
+#include <ctype.h>
+
+#define d(x)
+
+#define CAMEL_MH_SUMMARY_VERSION (0x2000)
+
+static CamelMessageInfo *message_info_new(CamelFolderSummary *, struct _header_raw *);
+
+static void camel_mh_summary_class_init (CamelMhSummaryClass *class);
+static void camel_mh_summary_init (CamelMhSummary *gspaper);
+static void camel_mh_summary_finalise (GtkObject *obj);
+
+#define _PRIVATE(x) (((CamelMhSummary *)(x))->priv)
+
+struct _CamelMhSummaryPrivate {
+ char *current_uid;
+};
+
+static CamelFolderSummaryClass *parent_class;
+
+guint
+camel_mh_summary_get_type (void)
+{
+ static guint type = 0;
+
+ if (!type) {
+ GtkTypeInfo type_info = {
+ "CamelMhSummary",
+ sizeof(CamelMhSummary),
+ sizeof(CamelMhSummaryClass),
+ (GtkClassInitFunc)camel_mh_summary_class_init,
+ (GtkObjectInitFunc)camel_mh_summary_init,
+ (GtkArgSetFunc)NULL,
+ (GtkArgGetFunc)NULL
+ };
+
+ type = gtk_type_unique(camel_folder_summary_get_type (), &type_info);
+ }
+
+ return type;
+}
+
+static void
+camel_mh_summary_class_init (CamelMhSummaryClass *class)
+{
+ GtkObjectClass *object_class;
+ CamelFolderSummaryClass *sklass = (CamelFolderSummaryClass *) class;
+
+ object_class = (GtkObjectClass *)class;
+ parent_class = gtk_type_class(camel_folder_summary_get_type ());
+
+ object_class->finalize = camel_mh_summary_finalise;
+
+ /* override methods */
+ sklass->message_info_new = message_info_new;
+
+}
+
+static void
+camel_mh_summary_init (CamelMhSummary *o)
+{
+ struct _CamelFolderSummary *s = (CamelFolderSummary *) o;
+
+ o->priv = g_malloc0(sizeof(*o->priv));
+
+ /* set unique file version */
+ s->version += CAMEL_MH_SUMMARY_VERSION;
+}
+
+static void
+camel_mh_summary_finalise(GtkObject *obj)
+{
+ CamelMhSummary *o = (CamelMhSummary *)obj;
+
+ g_free(o->mh_path);
+
+ ((GtkObjectClass *)(parent_class))->finalize(obj);
+}
+
+/**
+ * camel_mh_summary_new:
+ *
+ * Create a new CamelMhSummary object.
+ *
+ * Return value: A new #CamelMhSummary object.
+ **/
+CamelMhSummary *camel_mh_summary_new (const char *filename, const char *mhdir, ibex *index)
+{
+ CamelMhSummary *o = (CamelMhSummary *)gtk_type_new(camel_mh_summary_get_type ());
+
+ camel_folder_summary_set_build_content((CamelFolderSummary *)o, TRUE);
+ camel_folder_summary_set_filename((CamelFolderSummary *)o, filename);
+ o->mh_path = g_strdup(mhdir);
+ o->index = index;
+ return o;
+}
+
+static CamelMessageInfo *message_info_new(CamelFolderSummary * s, struct _header_raw *h)
+{
+ CamelMessageInfo *mi;
+ CamelMhSummary *mhs = (CamelMhSummary *)s;
+
+ mi = ((CamelFolderSummaryClass *) parent_class)->message_info_new(s, h);
+ if (mi) {
+ /* it only ever indexes 1 message at a time */
+ mi->uid = g_strdup(mhs->priv->current_uid);
+ }
+
+ return mi;
+}
+
+int camel_mh_summary_load(CamelMhSummary * mhs, int forceindex)
+{
+ CamelFolderSummary *s = CAMEL_FOLDER_SUMMARY(mhs);
+
+ d(printf("loading summary ...\n"));
+
+ if (forceindex || camel_folder_summary_load(s) == -1) {
+ camel_folder_summary_clear(s);
+ }
+ return camel_mh_summary_check(mhs, forceindex);
+}
+
+int camel_mh_summary_add(CamelMhSummary * mhs, const char *name, int forceindex)
+{
+ char *filename = g_strdup_printf("%s/%s", mhs->mh_path, name);
+ int fd;
+ CamelMimeParser *mp;
+
+ d(printf("summarising: %s\n", name));
+
+ fd = open(filename, O_RDONLY);
+ if (fd == -1) {
+ g_warning("Cannot summarise/index: %s: %s", filename, strerror(errno));
+ g_free(filename);
+ return -1;
+ }
+ mp = camel_mime_parser_new();
+ camel_mime_parser_scan_from(mp, FALSE);
+ camel_mime_parser_init_with_fd(mp, fd);
+ if (forceindex || !ibex_contains_name(mhs->index, (char *)name)) {
+ d(printf("forcing indexing of message content\n"));
+ camel_folder_summary_set_index((CamelFolderSummary *)mhs, mhs->index);
+ } else {
+ camel_folder_summary_set_index((CamelFolderSummary *)mhs, NULL);
+ }
+ mhs->priv->current_uid = (char *)name;
+ camel_folder_summary_add_from_parser((CamelFolderSummary *)mhs, mp);
+ gtk_object_unref((GtkObject *)mp);
+ mhs->priv->current_uid = NULL;
+ camel_folder_summary_set_index((CamelFolderSummary *)mhs, NULL);
+ g_free(filename);
+ return 0;
+}
+
+static void
+remove_summary(char *key, CamelMessageInfo *info, CamelMhSummary *mhs)
+{
+ d(printf("removing message %s from summary\n", key));
+ ibex_unindex(mhs->index, info->uid);
+ camel_folder_summary_remove((CamelFolderSummary *)mhs, info);
+}
+
+int camel_mh_summary_check(CamelMhSummary * mhs, int forceindex)
+{
+ DIR *dir;
+ struct dirent *d;
+ char *p, c;
+ CamelMessageInfo *info;
+ GHashTable *left;
+ int i, count;
+
+ d(printf("checking summary ...\n"));
+
+ /* scan the directory, check for mail files not in the index, or index entries that
+ no longer exist */
+ dir = opendir(mhs->mh_path);
+ if (dir == NULL)
+ return -1;
+
+ /* keeps track of all uid's that have not been processed */
+ left = g_hash_table_new(g_str_hash, g_str_equal);
+ count = camel_folder_summary_count((CamelFolderSummary *)mhs);
+ for (i=0;i<count;i++) {
+ info = camel_folder_summary_index((CamelFolderSummary *)mhs, i);
+ if (info) {
+ g_hash_table_insert(left, info->uid, info);
+ }
+ }
+ while ( (d = readdir(dir)) ) {
+ /* FIXME: also run stat to check for regular file */
+ p = d->d_name;
+ while ( (c = *p++) ) {
+ if (!isdigit(c))
+ break;
+ }
+ if (c==0) {
+ info = camel_folder_summary_uid((CamelFolderSummary *)mhs, d->d_name);
+ if (info == NULL || (!ibex_contains_name(mhs->index, d->d_name))) {
+ /* need to add this file to the summary */
+ if (info != NULL) {
+ g_hash_table_remove(left, info->uid);
+ camel_folder_summary_remove((CamelFolderSummary *)mhs, info);
+ }
+ camel_mh_summary_add(mhs, d->d_name, forceindex);
+ } else {
+ g_hash_table_remove(left, info->uid);
+ }
+ }
+ }
+ closedir(dir);
+ g_hash_table_foreach(left, (GHFunc)remove_summary, mhs);
+ g_hash_table_destroy(left);
+
+ return 0;
+}
+
+/* sync the summary with the ondisk files.
+ It doesnt store the state in the file, the summary only, == MUCH faster */
+int camel_mh_summary_sync(CamelMhSummary * mhs, int expunge, CamelException *ex)
+{
+ int count, i;
+ CamelMessageInfo *info;
+ char *name;
+
+ if (!expunge)
+ return 0;
+
+ count = camel_folder_summary_count((CamelFolderSummary *)mhs);
+ for (i=0;i<count;i++) {
+ info = camel_folder_summary_index((CamelFolderSummary *)mhs, i);
+ if (info && info->flags & CAMEL_MESSAGE_DELETED) {
+ name = g_strdup_printf("%s/%s", mhs->mh_path, info->uid);
+ d(printf("deleting %s\n", name));
+ if (unlink(name) == 0 || errno==ENOENT) {
+ camel_folder_summary_remove((CamelFolderSummary *)mhs, info);
+ }
+ }
+ }
+ return 0;
+}
+