/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*-
*
* Copyright (C) 2000 Ximian Inc.
*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* 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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "camel-mbox-summary.h"
#include "camel/camel-mime-message.h"
#include "camel/camel-operation.h"
#include <sys/stat.h>
#include <sys/uio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include "camel-mbox-summary.h"
#include "camel/camel-file-utils.h"
#include "camel/camel-mime-message.h"
#include "camel/camel-operation.h"
#define io(x)
#define d(x) /*(printf("%s(%d): ", __FILE__, __LINE__),(x))*/
#define CAMEL_MBOX_SUMMARY_VERSION (0x1000)
struct _CamelMboxSummaryPrivate {
};
#define _PRIVATE(o) (((CamelMboxSummary *)(o))->priv)
static int summary_header_load (CamelFolderSummary *, FILE *);
static int summary_header_save (CamelFolderSummary *, FILE *);
static CamelMessageInfo * message_info_new (CamelFolderSummary *, struct _header_raw *);
static CamelMessageInfo * message_info_new_from_parser (CamelFolderSummary *, CamelMimeParser *);
static CamelMessageInfo * message_info_load (CamelFolderSummary *, FILE *);
static int message_info_save (CamelFolderSummary *, FILE *, CamelMessageInfo *);
/*static void message_info_free (CamelFolderSummary *, CamelMessageInfo *);*/
static int mbox_summary_check(CamelLocalSummary *cls, CamelFolderChangeInfo *changeinfo, CamelException *ex);
static int mbox_summary_sync(CamelLocalSummary *cls, gboolean expunge, CamelFolderChangeInfo *changeinfo, CamelException *ex);
static void camel_mbox_summary_class_init (CamelMboxSummaryClass *klass);
static void camel_mbox_summary_init (CamelMboxSummary *obj);
static void camel_mbox_summary_finalise (CamelObject *obj);
static CamelLocalSummaryClass *camel_mbox_summary_parent;
CamelType
camel_mbox_summary_get_type(void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (type == CAMEL_INVALID_TYPE) {
type = camel_type_register(camel_local_summary_get_type(), "CamelMboxSummary",
sizeof (CamelMboxSummary),
sizeof (CamelMboxSummaryClass),
(CamelObjectClassInitFunc) camel_mbox_summary_class_init,
NULL,
(CamelObjectInitFunc) camel_mbox_summary_init,
(CamelObjectFinalizeFunc) camel_mbox_summary_finalise);
}
return type;
}
static void
camel_mbox_summary_class_init(CamelMboxSummaryClass *klass)
{
CamelFolderSummaryClass *sklass = (CamelFolderSummaryClass *)klass;
CamelLocalSummaryClass *lklass = (CamelLocalSummaryClass *)klass;
camel_mbox_summary_parent = (CamelLocalSummaryClass *)camel_type_get_global_classfuncs(camel_local_summary_get_type());
sklass->summary_header_load = summary_header_load;
sklass->summary_header_save = summary_header_save;
sklass->message_info_new = message_info_new;
sklass->message_info_new_from_parser = message_info_new_from_parser;
sklass->message_info_load = message_info_load;
sklass->message_info_save = message_info_save;
/*sklass->message_info_free = message_info_free;*/
lklass->check = mbox_summary_check;
lklass->sync = mbox_summary_sync;
}
static void
camel_mbox_summary_init(CamelMboxSummary *obj)
{
struct _CamelMboxSummaryPrivate *p;
struct _CamelFolderSummary *s = (CamelFolderSummary *)obj;
p = _PRIVATE(obj) = g_malloc0(sizeof(*p));
/* subclasses need to set the right instance data sizes */
s->message_info_size = sizeof(CamelMboxMessageInfo);
s->content_info_size = sizeof(CamelMboxMessageContentInfo);
/* and a unique file version */
s->version += CAMEL_MBOX_SUMMARY_VERSION;
}
static void
camel_mbox_summary_finalise(CamelObject *obj)
{
/*CamelMboxSummary *mbs = CAMEL_MBOX_SUMMARY(obj);*/
}
/**
* camel_mbox_summary_new:
*
* Create a new CamelMboxSummary object.
*
* Return value: A new CamelMboxSummary widget.
**/
CamelMboxSummary *
camel_mbox_summary_new(const char *filename, const char *mbox_name, ibex *index)
{
CamelMboxSummary *new = (CamelMboxSummary *)camel_object_new(camel_mbox_summary_get_type());
camel_local_summary_construct((CamelLocalSummary *)new, filename, mbox_name, index);
return new;
}
static int
summary_header_load(CamelFolderSummary *s, FILE *in)
{
CamelMboxSummary *mbs = CAMEL_MBOX_SUMMARY(s);
if (((CamelFolderSummaryClass *)camel_mbox_summary_parent)->summary_header_load(s, in) == -1)
return -1;
return camel_file_util_decode_uint32(in, &mbs->folder_size);
}
static int
summary_header_save(CamelFolderSummary *s, FILE *out)
{
CamelMboxSummary *mbs = CAMEL_MBOX_SUMMARY(s);
if (((CamelFolderSummaryClass *)camel_mbox_summary_parent)->summary_header_save(s, out) == -1)
return -1;
return camel_file_util_encode_uint32(out, mbs->folder_size);
}
static CamelMessageInfo *
message_info_new(CamelFolderSummary *s, struct _header_raw *h)
{
CamelMessageInfo *mi;
mi = ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_new(s, h);
if (mi) {
CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;
mbi->frompos = -1;
}
return mi;
}
static CamelMessageInfo *
message_info_new_from_parser(CamelFolderSummary *s, CamelMimeParser *mp)
{
CamelMessageInfo *mi;
mi = ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_new_from_parser(s, mp);
if (mi) {
CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;
mbi->frompos = camel_mime_parser_tell_start_from(mp);
}
return mi;
}
static CamelMessageInfo *
message_info_load(CamelFolderSummary *s, FILE *in)
{
CamelMessageInfo *mi;
io(printf("loading mbox message info\n"));
mi = ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_load(s, in);
if (mi) {
CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;
if (camel_file_util_decode_off_t(in, &mbi->frompos) == -1)
goto error;
}
return mi;
error:
camel_folder_summary_info_free(s, mi);
return NULL;
}
static int
message_info_save(CamelFolderSummary *s, FILE *out, CamelMessageInfo *mi)
{
CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi;
io(printf("saving mbox message info\n"));
if (((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_save(s, out, mi) == -1
|| camel_file_util_encode_off_t(out, mbi->frompos) == -1)
return -1;
return 0;
}
static int
summary_rebuild(CamelMboxSummary *mbs, off_t offset, CamelException *ex)
{
CamelLocalSummary *cls = (CamelLocalSummary *)mbs;
CamelFolderSummary *s = (CamelFolderSummary *)mbs;
CamelMimeParser *mp;
int fd;
int ok = 0;
struct stat st;
off_t size = 0;
/* FIXME: If there is a failure, it shouldn't clear the summary and restart,
it should try and merge the summary info's. This is a bit tricky. */
camel_operation_start(NULL, _("Storing folder"));
fd = open(cls->folder_path, O_RDONLY);
if (fd == -1) {
printf("%s failed to open: %s\n", cls->folder_path, strerror(errno));
camel_exception_setv(ex, 1, _("Could not open folder: %s: %s"),
cls->folder_path, strerror(errno));
camel_operation_end(NULL);
return -1;
}
if (fstat(fd, &st) == 0)
size = st.st_size;
mp = camel_mime_parser_new();
camel_mime_parser_init_with_fd(mp, fd);
camel_mime_parser_scan_from(mp, TRUE);
camel_mime_parser_seek(mp, offset, SEEK_SET);
if (offset > 0) {
if (camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM) {
if (camel_mime_parser_tell_start_from(mp) != offset) {
g_warning("The next message didn't start where I expected, building summary from start");
camel_mime_parser_drop_step(mp);
offset = 0;
camel_mime_parser_seek(mp, offset, SEEK_SET);
camel_folder_summary_clear(s);
} else {
camel_mime_parser_unstep(mp);
}
} else {
d(printf("mime parser state ran out? state is %d\n", camel_mime_parser_state(mp)));
camel_object_unref(CAMEL_OBJECT(mp));
/* end of file - no content? no error either */
camel_operation_end(NULL);
return 0;
}
}
while (camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM) {
CamelMessageInfo *info;
off_t pc = camel_mime_parser_tell_start_from (mp) + 1;
camel_operation_progress (NULL, (int) (((float) pc / size) * 100));
info = camel_folder_summary_add_from_parser(s, mp);
if (info == NULL) {
camel_exception_setv(ex, 1, _("Fatal mail parser error near position %ld in folder %s"),
camel_mime_parser_tell(mp), cls->folder_path);
ok = -1;
break;
}
g_assert(camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM_END);
}
camel_object_unref(CAMEL_OBJECT (mp));
/* update the file size/mtime in the summary */
if (ok != -1) {
if (stat(cls->folder_path, &st) == 0) {
camel_folder_summary_touch(s);
mbs->folder_size = st.st_size;
s->time = st.st_mtime;
}
}
camel_operation_end(NULL);
return ok;
}
/* like summary_rebuild, but also do changeinfo stuff (if supplied) */
static int
summary_update(CamelLocalSummary *cls, off_t offset, CamelFolderChangeInfo *changeinfo, CamelException *ex)
{
int ret, i, count;
CamelFolderSummary *s = (CamelFolderSummary *)cls;
CamelMboxSummary *mbs = (CamelMboxSummary *)cls;
d(printf("Calling summary update, from pos %d\n", (int)offset));
if (changeinfo) {
/* we use the diff function of the change_info to build the update list. */
for (i = 0; i < camel_folder_summary_count(s); i++) {
CamelMessageInfo *mi = camel_folder_summary_index(s, i);
camel_folder_change_info_add_source(changeinfo, camel_message_info_uid(mi));
camel_folder_summary_info_free(s, mi);
}
}
/* do the actual work */
cls->index_force = FALSE;
ret = summary_rebuild(mbs, offset, ex);
if (changeinfo) {
count = camel_folder_summary_count(s);
for (i = 0; i < count; i++) {
CamelMessageInfo *mi = camel_folder_summary_index(s, i);
camel_folder_change_info_add_update(changeinfo, camel_message_info_uid(mi));
camel_folder_summary_info_free(s, mi);
}
camel_folder_change_info_build_diff(changeinfo);
}
return ret;
}
static int
mbox_summary_check(CamelLocalSummary *cls, CamelFolderChangeInfo *changes, CamelException *ex)
{
CamelMboxSummary *mbs = (CamelMboxSummary *)cls;
CamelFolderSummary *s = (CamelFolderSummary *)cls;
struct stat st;
int ret = 0;
d(printf("Checking summary\n"));
/* check if the summary is up-to-date */
if (stat(cls->folder_path, &st) == -1) {
camel_folder_summary_clear(s);
camel_exception_setv(ex, 1, _("Cannot check folder: %s: %s"), cls->folder_path, strerror(errno));
return -1;
}
if (st.st_size == 0) {
/* empty? No need to scan at all */
d(printf("Empty mbox, clearing summary\n"));
camel_folder_summary_clear(s);
ret = 0;
} else if (s->messages->len == 0) {
/* if we are empty, then we rebuilt from scratch */
d(printf("Empty summary, rebuilding from start\n"));
ret = summary_update(cls, 0, changes, ex);
} else {
/* is the summary uptodate? */
if (st.st_size != mbs->folder_size || st.st_mtime != s->time) {
if (mbs->folder_size < st.st_size) {
/* this will automatically rescan from 0 if there is a problem */
d(printf("folder grew, attempting to rebuild from %d\n", mbs->folder_size));
ret = summary_update(cls, mbs->folder_size, changes, ex);
} else {
d(printf("folder shrank! rebuilding from start\n"));
camel_folder_summary_clear(s);
ret = summary_update(cls, 0, changes, ex);
}
}
}
/* FIXME: move upstream? */
if (ret != -1) {
mbs->folder_size = st.st_size;
s->time = st.st_mtime;
#if 0
/* this failing is not a fatal event */
if (camel_folder_summary_save(s) == -1)
g_warning("Could not save summary: %s", strerror(errno));
if (cls->index)
ibex_save(cls->index);
#endif
}
return ret;
}
static char *tz_months[] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
static char *tz_days[] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
/* tries to build a From line, based on message headers */
char *
camel_mbox_summary_build_from(struct _header_raw *header)
{
GString *out = g_string_new("From ");
char *ret;
const char *tmp;
time_t thetime;
int offset;
struct tm tm;
tmp = header_raw_find(&header, "Sender", NULL);
if (tmp == NULL)
tmp = header_raw_find(&header, "From", NULL);
if (tmp != NULL) {
struct _header_address *addr = header_address_decode(tmp);
tmp = NULL;
if (addr) {
if (addr->type == HEADER_ADDRESS_NAME) {
g_string_append(out, addr->v.addr);
tmp = "";
}
header_address_unref(addr);
}
}
if (tmp == NULL) {
g_string_append(out, "unknown@nodomain.now.au");
}
/* try use the received header to get the date */
tmp = header_raw_find(&header, "Received", NULL);
if (tmp) {
tmp = strrchr(tmp, ';');
if (tmp)
tmp++;
}
/* if there isn't one, try the Date field */
if (tmp == NULL)
tmp = header_raw_find(&header, "Date", NULL);
thetime = header_decode_date(tmp, &offset);
thetime += ((offset / 100) * (60 * 60)) + (offset % 100) * 60;
/* a pseudo, but still bogus attempt at thread safing the function */
/*memcpy(&tm, gmtime(&thetime), sizeof(tm));*/
gmtime_r(&thetime, &tm);
g_string_sprintfa(out, " %s %s %2d %02d:%02d:%02d %4d\n",
tz_days[tm.tm_wday],
tz_months[tm.tm_mon], tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec, tm.tm_year + 1900);
ret = out->str;
g_string_free(out, FALSE);
return ret;
}
/* perform a full sync */
static int
mbox_summary_sync_full(CamelLocalSummary *cls, gboolean expunge, CamelFolderChangeInfo *changeinfo, CamelException *ex)
{
CamelMboxSummary *mbs = (CamelMboxSummary *)cls;
CamelFolderSummary *s = (CamelFolderSummary *)mbs;
CamelMimeParser *mp = NULL;
int i, count;
CamelMboxMessageInfo *info = NULL;
int fd = -1, fdout = -1;
char *tmpname = NULL;
char *buffer, *xevnew = NULL;
int len;
const char *fromline;
int lastdel = FALSE;
d(printf("performing full summary/sync\n"));
camel_operation_start(NULL, _("Storing folder"));
fd = open(cls->folder_path, O_RDONLY);
if (fd == -1) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not open file: %s: %s"),
cls->folder_path, strerror(errno));
camel_operation_end(NULL);
return -1;
}
mp = camel_mime_parser_new();
camel_mime_parser_scan_from(mp, TRUE);
camel_mime_parser_scan_pre_from(mp, TRUE);
camel_mime_parser_init_with_fd(mp, fd);
tmpname = alloca(strlen (cls->folder_path) + 5);
sprintf(tmpname, "%s.tmp", cls->folder_path);
d(printf("Writing tmp file to %s\n", tmpname));
fdout = open(tmpname, O_WRONLY|O_CREAT|O_TRUNC, 0600);
if (fdout == -1) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Cannot open temporary mailbox: %s"), strerror(errno));
goto error;
}
count = camel_folder_summary_count(s);
for (i = 0; i < count; i++) {
int pc = (i + 1) * 100 / count;
camel_operation_progress(NULL, pc);
info = (CamelMboxMessageInfo *)camel_folder_summary_index(s, i);
g_assert(info);
d(printf("Looking at message %s\n", info->info.uid));
/* only need to seek past deleted messages, otherwise we should be at the right spot/state already */
if (lastdel) {
d(printf("seeking to %d\n", (int)info->frompos));
camel_mime_parser_seek(mp, info->frompos, SEEK_SET);
}
if (camel_mime_parser_step(mp, &buffer, &len) != HSCAN_FROM) {
g_warning("Expected a From line here, didn't get it");
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Summary and folder mismatch, even after a sync"));
goto error;
}
if (camel_mime_parser_tell_start_from(mp) != info->frompos) {
g_warning("Didn't get the next message where I expected (%d) got %d instead",
(int)info->frompos, (int)camel_mime_parser_tell_start_from(mp));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Summary and folder mismatch, even after a sync"));
goto error;
}
lastdel = FALSE;
if (expunge && info->info.flags & CAMEL_MESSAGE_DELETED) {
const char *uid = camel_message_info_uid(info);
d(printf("Deleting %s\n", uid));
if (cls->index)
ibex_unindex(cls->index, (char *)uid);
/* remove it from the change list */
camel_folder_change_info_remove_uid(changeinfo, uid);
camel_folder_summary_remove(s, (CamelMessageInfo *)info);
camel_folder_summary_info_free(s, (CamelMessageInfo *)info);
count--;
i--;
info = NULL;
lastdel = TRUE;
} else {
/* otherwise, the message is staying, copy its From_ line across */
if (i>0) {
write(fdout, "\n", 1);
}
info->frompos = lseek(fdout, 0, SEEK_CUR);
fromline = camel_mime_parser_from_line(mp);
write(fdout, fromline, strlen(fromline));
}
if (info && info->info.flags & (CAMEL_MESSAGE_FOLDER_NOXEV | CAMEL_MESSAGE_FOLDER_FLAGGED)) {
d(printf("Updating header for %s flags = %08x\n", info->info.uid, info->info.flags));
if (camel_mime_parser_step(mp, &buffer, &len) == HSCAN_FROM_END) {
g_warning("camel_mime_parser_step failed (2)");
goto error;
}
xevnew = camel_local_summary_encode_x_evolution(cls, (CamelMessageInfo *)info);
if (camel_local_summary_write_headers(fdout, camel_mime_parser_headers_raw(mp), xevnew) == -1) {
d(printf("Error writing to tmp mailbox\n"));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Error writing to temp mailbox: %s"),
strerror(errno));
goto error;
}
info->info.flags &= 0xffff;
g_free(xevnew);
xevnew = NULL;
camel_mime_parser_drop_step(mp);
}
camel_mime_parser_drop_step(mp);
if (info) {
d(printf("looking for message content to copy across from %d\n", (int)camel_mime_parser_tell(mp)));
while (camel_mime_parser_step(mp, &buffer, &len) == HSCAN_PRE_FROM) {
d(printf("copying mbox contents to tmp: '%.*s'\n", len, buffer));
if (write(fdout, buffer, len) != len) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Writing to tmp mailbox failed: %s: %s"),
cls->folder_path, strerror(errno));
goto error;
}
}
d(printf("we are now at %d, from = %d\n", (int)camel_mime_parser_tell(mp),
(int)camel_mime_parser_tell_start_from(mp)));
camel_mime_parser_unstep(mp);
camel_folder_summary_info_free(s, (CamelMessageInfo *)info);
info = NULL;
}
}
d(printf("Closing folders\n"));
if (close(fd) == -1) {
g_warning("Cannot close source folder: %s", strerror(errno));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not close source folder %s: %s"),
cls->folder_path, strerror(errno));
fd = -1;
goto error;
}
if (close(fdout) == -1) {
g_warning("Cannot close tmp folder: %s", strerror(errno));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not close temp folder: %s"),
strerror(errno));
fdout = -1;
goto error;
}
/* this should probably either use unlink/link/unlink, or recopy over
the original mailbox, for various locking reasons/etc */
if (rename(tmpname, cls->folder_path) == -1) {
g_warning("Cannot rename folder: %s", strerror(errno));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not rename folder: %s"),
strerror(errno));
goto error;
}
tmpname = NULL;
camel_object_unref((CamelObject *)mp);
camel_operation_end(NULL);
return 0;
error:
if (fd != -1)
close(fd);
if (fdout != -1)
close(fdout);
g_free(xevnew);
if (tmpname)
unlink(tmpname);
if (mp)
camel_object_unref((CamelObject *)mp);
if (info)
camel_folder_summary_info_free(s, (CamelMessageInfo *)info);
camel_operation_end(NULL);
return -1;
}
/* perform a quick sync - only system flags have changed */
static int
mbox_summary_sync_quick(CamelLocalSummary *cls, gboolean expunge, CamelFolderChangeInfo *changeinfo, CamelException *ex)
{
CamelMboxSummary *mbs = (CamelMboxSummary *)cls;
CamelFolderSummary *s = (CamelFolderSummary *)mbs;
CamelMimeParser *mp = NULL;
int i, count;
CamelMboxMessageInfo *info = NULL;
int fd = -1;
char *xevnew, *xevtmp;
const char *xev;
int len;
off_t lastpos;
d(printf("Performing quick summary sync\n"));
camel_operation_start(NULL, _("Storing folder"));
fd = open(cls->folder_path, O_RDWR);
if (fd == -1) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not open file: %s: %s"),
cls->folder_path, strerror(errno));
camel_operation_end(NULL);
return -1;
}
mp = camel_mime_parser_new();
camel_mime_parser_scan_from(mp, TRUE);
camel_mime_parser_scan_pre_from(mp, TRUE);
camel_mime_parser_init_with_fd(mp, fd);
count = camel_folder_summary_count(s);
for (i = 0; i < count; i++) {
int xevoffset;
int pc = (i+1)*100/count;
camel_operation_progress(NULL, pc);
info = (CamelMboxMessageInfo *)camel_folder_summary_index(s, i);
g_assert(info);
d(printf("Checking message %s %08x\n", info->info.uid, info->info.flags));
if ((info->info.flags & CAMEL_MESSAGE_FOLDER_FLAGGED) == 0) {
camel_folder_summary_info_free(s, (CamelMessageInfo *)info);
info = NULL;
continue;
}
d(printf("Updating message %s\n", info->info.uid));
camel_mime_parser_seek(mp, info->frompos, SEEK_SET);
if (camel_mime_parser_step(mp, 0, 0) != HSCAN_FROM) {
g_warning("Expected a From line here, didn't get it");
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Summary and folder mismatch, even after a sync"));
goto error;
}
if (camel_mime_parser_tell_start_from(mp) != info->frompos) {
g_warning("Didn't get the next message where I expected (%d) got %d instead",
(int)info->frompos, (int)camel_mime_parser_tell_start_from(mp));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Summary and folder mismatch, even after a sync"));
goto error;
}
if (camel_mime_parser_step(mp, 0, 0) == HSCAN_FROM_END) {
g_warning("camel_mime_parser_step failed (2)");
goto error;
}
xev = camel_mime_parser_header(mp, "X-Evolution", &xevoffset);
if (xev == NULL || camel_local_summary_decode_x_evolution(cls, xev, NULL) == -1) {
g_warning("We're supposed to have a valid x-ev header, but we dont");
goto error;
}
xevnew = camel_local_summary_encode_x_evolution(cls, (CamelMessageInfo *)info);
/* SIGH: encode_param_list is about the only function which folds headers by itself.
This should be fixed somehow differently (either parser doesn't fold headers,
or param_list doesn't, or something */
xevtmp = header_unfold(xevnew);
/* the raw header contains a leading ' ', so (dis)count that too */
if (strlen(xev)-1 != strlen(xevtmp)) {
g_free(xevnew);
g_free(xevtmp);
g_warning("Hmm, the xev headers shouldn't have changed size, but they did");
goto error;
}
g_free(xevtmp);
/* we write out the xevnew string, assuming its been folded identically to the original too! */
lastpos = lseek(fd, 0, SEEK_CUR);
lseek(fd, xevoffset+strlen("X-Evolution: "), SEEK_SET);
do {
len = write(fd, xevnew, strlen(xevnew));
} while (len == -1 && errno == EINTR);
lseek(fd, lastpos, SEEK_SET);
g_free(xevnew);
camel_mime_parser_drop_step(mp);
camel_mime_parser_drop_step(mp);
info->info.flags &= 0xffff;
camel_folder_summary_info_free(s, (CamelMessageInfo *)info);
}
d(printf("Closing folders\n"));
if (close(fd) == -1) {
g_warning("Cannot close source folder: %s", strerror(errno));
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not close source folder %s: %s"),
cls->folder_path, strerror(errno));
fd = -1;
goto error;
}
camel_object_unref((CamelObject *)mp);
camel_operation_end(NULL);
return 0;
error:
if (fd != -1)
close(fd);
if (mp)
camel_object_unref((CamelObject *)mp);
if (info)
camel_folder_summary_info_free(s, (CamelMessageInfo *)info);
camel_operation_end(NULL);
return -1;
}
static int
mbox_summary_sync(CamelLocalSummary *cls, gboolean expunge, CamelFolderChangeInfo *changeinfo, CamelException *ex)
{
struct stat st;
CamelMboxSummary *mbs = (CamelMboxSummary *)cls;
CamelFolderSummary *s = (CamelFolderSummary *)cls;
int i, count;
int quick = TRUE, work=FALSE;
int ret;
/* first, sync ourselves up, just to make sure */
if (summary_update(cls, mbs->folder_size, changeinfo, ex) == -1)
return -1;
count = camel_folder_summary_count(s);
if (count == 0)
return 0;
/* check what work we have to do, if any */
for (i=0;quick && i<count; i++) {
CamelMessageInfo *info = camel_folder_summary_index(s, i);
g_assert(info);
if ((expunge && (info->flags & CAMEL_MESSAGE_DELETED)) ||
(info->flags & (CAMEL_MESSAGE_FOLDER_NOXEV|CAMEL_MESSAGE_FOLDER_XEVCHANGE)))
quick = FALSE;
else
work |= (info->flags & CAMEL_MESSAGE_FOLDER_FLAGGED) != 0;
camel_folder_summary_info_free(s, info);
}
/* yuck i hate this logic, but its to simplify the 'all ok, update summary' and failover cases */
ret = -1;
if (quick) {
if (work) {
ret = mbox_summary_sync_quick(cls, expunge, changeinfo, ex);
if (ret == -1) {
g_warning("failed a quick-sync, trying a full sync");
camel_exception_clear(ex);
}
} else {
ret = 0;
}
}
if (ret == -1)
ret = mbox_summary_sync_full(cls, expunge, changeinfo, ex);
if (ret == -1)
return -1;
if (stat(cls->folder_path, &st) == -1) {
camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, _("Unknown error: %s"), strerror(errno));
return -1;
}
camel_folder_summary_touch(s);
s->time = st.st_mtime;
mbs->folder_size = st.st_size;
camel_folder_summary_save(s);
return 0;
}