diff options
Diffstat (limited to 'camel/providers/local/camel-mbox-summary.c')
| -rw-r--r-- | camel/providers/local/camel-mbox-summary.c | 840 |
1 files changed, 0 insertions, 840 deletions
diff --git a/camel/providers/local/camel-mbox-summary.c b/camel/providers/local/camel-mbox-summary.c deleted file mode 100644 index 5b62743857..0000000000 --- a/camel/providers/local/camel-mbox-summary.c +++ /dev/null @@ -1,840 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*- - * - * Copyright (C) 2000 Helix Code Inc. - * - * Authors: Michael Zucchi <notzed@helixcode.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 - */ - -#include "camel-mbox-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> - -#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_folder_summary_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_folder_summary_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; - - camel_folder_summary_decode_off_t(in, &mbi->frompos); - } - - return mi; -} - -static int -message_info_save(CamelFolderSummary *s, FILE *out, CamelMessageInfo *mi) -{ - CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi; - - io(printf("saving mbox message info\n")); - - ((CamelFolderSummaryClass *)camel_mbox_summary_parent)->message_info_save(s, out, mi); - - return camel_folder_summary_encode_off_t(out, mbi->frompos); -} - -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; - - /* 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. */ - - fd = open(cls->folder_path, O_RDONLY); - if (fd == -1) { - printf("%s failed to open: %s", cls->folder_path, strerror(errno)); - camel_exception_setv(ex, 1, _("Could not open folder: %s: summarising from position %ld: %s"), - cls->folder_path, offset, strerror(errno)); - return -1; - } - - 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 */ - return 0; - } - } - - while (camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM) { - CamelMessageInfo *info; - - 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) { - struct stat st; - - if (stat(cls->folder_path, &st) == 0) { - camel_folder_summary_touch(s); - mbs->folder_size = st.st_size; - s->time = st.st_mtime; - } - } - - 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 summarise 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 %d %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")); - - fd = open(cls->folder_path, O_RDONLY); - if (fd == -1) { - camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, - _("Could not open folder to summarise: %s: %s"), - cls->folder_path, strerror(errno)); - 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++) { - 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); - - 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); - - 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")); - - fd = open(cls->folder_path, O_RDWR); - if (fd == -1) { - camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, - _("Could not open folder to summarise: %s: %s"), - cls->folder_path, strerror(errno)); - 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; - - 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); - - 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); - - 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 */ - summary_update(cls, mbs->folder_size, changeinfo, ex); - if (camel_exception_is_set(ex)) - 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; -} |