diff options
Diffstat (limited to 'camel/providers/mbox/camel-mbox-summary.c')
| -rw-r--r-- | camel/providers/mbox/camel-mbox-summary.c | 740 |
1 files changed, 0 insertions, 740 deletions
diff --git a/camel/providers/mbox/camel-mbox-summary.c b/camel/providers/mbox/camel-mbox-summary.c deleted file mode 100644 index 46b180e999..0000000000 --- a/camel/providers/mbox/camel-mbox-summary.c +++ /dev/null @@ -1,740 +0,0 @@ -/* - * 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) - -#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 void camel_mbox_summary_class_init (CamelMboxSummaryClass *klass); -static void camel_mbox_summary_init (CamelMboxSummary *obj); -static void camel_mbox_summary_finalise (GtkObject *obj); - -static CamelFolderSummaryClass *camel_mbox_summary_parent; - -enum SIGNALS { - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL] = { 0 }; - -guint -camel_mbox_summary_get_type (void) -{ - static guint type = 0; - - if (!type) { - GtkTypeInfo type_info = { - "CamelMboxSummary", - sizeof (CamelMboxSummary), - sizeof (CamelMboxSummaryClass), - (GtkClassInitFunc) camel_mbox_summary_class_init, - (GtkObjectInitFunc) camel_mbox_summary_init, - (GtkArgSetFunc) NULL, - (GtkArgGetFunc) NULL - }; - - type = gtk_type_unique (camel_folder_summary_get_type (), &type_info); - } - - return type; -} - -static void -camel_mbox_summary_class_init (CamelMboxSummaryClass *klass) -{ - GtkObjectClass *object_class = (GtkObjectClass *) klass; - CamelFolderSummaryClass *sklass = (CamelFolderSummaryClass *) klass; - - camel_mbox_summary_parent = gtk_type_class (camel_folder_summary_get_type ()); - - object_class->finalize = camel_mbox_summary_finalise; - - 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;*/ - - gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL); -} - -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 (GtkObject *obj) -{ - CamelMboxSummary *mbs = (CamelMboxSummary *)obj; - - g_free(mbs->folder_path); - - ((GtkObjectClass *)(camel_mbox_summary_parent))->finalize((GtkObject *)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 = CAMEL_MBOX_SUMMARY ( gtk_type_new (camel_mbox_summary_get_type ())); - if (new) { - /* ?? */ - camel_folder_summary_set_build_content((CamelFolderSummary *)new, TRUE); - camel_folder_summary_set_filename((CamelFolderSummary *)new, filename); - new->folder_path = g_strdup(mbox_name); - new->index = index; - } - return new; -} - - -static int summary_header_load(CamelFolderSummary *s, FILE *in) -{ - CamelMboxSummary *mbs = (CamelMboxSummary *)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 = (CamelMboxSummary *)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 int -header_evolution_decode(const char *in, guint32 *uid, guint32 *flags) -{ - char *header; - if (in - && (header = header_token_decode(in))) { - if (strlen(header) == strlen("00000000-0000") - && sscanf(header, "%08x-%04x", uid, flags) == 2) { - g_free(header); - return *uid; - } - g_free(header); - } - - return -1; -} - -static char * -header_evolution_encode(guint32 uid, guint32 flags) -{ - return g_strdup_printf("%08x-%04x", uid, flags & 0xffff); -} - -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) { - const char *xev; - guint32 uid, flags; - CamelMboxMessageInfo *mbi = (CamelMboxMessageInfo *)mi; - - xev = header_raw_find(&h, "X-Evolution", NULL); - if (xev - && header_evolution_decode(xev, &uid, &flags) != -1) { - g_free(mi->uid); - mi->uid = g_strdup_printf("%u", uid); - mi->flags = flags; - } else { - /* to indicate it has no xev header? */ - mi->flags |= CAMEL_MESSAGE_FOLDER_FLAGGED|CAMEL_MESSAGE_FOLDER_NOXEV; - mi->uid = g_strdup_printf("%u", camel_folder_summary_next_uid(s)); - } - mbi->frompos = -1; - } - return mi; -} - -static CamelMessageInfo * message_info_new_from_parser(CamelFolderSummary *s, CamelMimeParser *mp) -{ - CamelMessageInfo *mi; - CamelMboxSummary *mbs = (CamelMboxSummary *)s; - - 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); - - /* do we want to index this message as we add it, as well? */ - if (mbs->index_force - || (mi->flags & CAMEL_MESSAGE_FOLDER_FLAGGED) != 0 - || !ibex_contains_name(mbs->index, mi->uid)) { - camel_folder_summary_set_index(s, mbs->index); - } else { - camel_folder_summary_set_index(s, NULL); - } - } - 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_uint32(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_uint32(out, mbi->frompos); -} - -static int -summary_rebuild(CamelMboxSummary *mbs, off_t offset) -{ - CamelMimeParser *mp; - int fd; - int ok = 0; - - printf("(re)Building summary from %d (%s)\n", (int)offset, mbs->folder_path); - - fd = open(mbs->folder_path, O_RDONLY); - 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\nbuilding summary from start"); - camel_mime_parser_drop_step(mp); - offset = 0; - camel_mime_parser_seek(mp, offset, SEEK_SET); - camel_folder_summary_clear((CamelFolderSummary *)mbs); - } else { - camel_mime_parser_unstep(mp); - } - } else { - gtk_object_unref((GtkObject *)mp); - /* end of file - no content? */ - printf("We radn out of file?\n"); - return 0; - } - } - - while (camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM) { - CamelMessageInfo *info; - - info = camel_folder_summary_add_from_parser((CamelFolderSummary *)mbs, mp); - if (info == NULL) { - printf("Could not build info from file?\n"); - ok = -1; - break; - } - - g_assert(camel_mime_parser_step(mp, NULL, NULL) == HSCAN_FROM_END); - } - - /* update the file size in the summary */ - if (ok != -1) - mbs->folder_size = camel_mime_parser_seek(mp, 0, SEEK_CUR); - printf("updating folder size = %d\n", mbs->folder_size); - gtk_object_unref((GtkObject *)mp); - - return ok; -} - -int -camel_mbox_summary_update(CamelMboxSummary *mbs, off_t offset) -{ - int ret; - - mbs->index_force = FALSE; - ret = summary_rebuild(mbs, offset); - -#if 0 -#warning "Saving full summary and index after every summarisation is slow ..." - if (ret != -1) { - if (camel_folder_summary_save((CamelFolderSummary *)mbs) == -1) - g_warning("Could not save summary: %s", strerror(errno)); - printf("summary saved\n"); - if (mbs->index) - ibex_save(mbs->index); - printf("ibex saved\n"); - } -#endif - return ret; -} - -int -camel_mbox_summary_load(CamelMboxSummary *mbs, int forceindex) -{ - CamelFolderSummary *s = (CamelFolderSummary *)mbs; - struct stat st; - int ret = 0; - off_t minstart; - - mbs->index_force = forceindex; - - /* is the summary out of date? */ - if (stat(mbs->folder_path, &st) == -1) { - camel_folder_summary_clear(s); - printf("Cannot summarise folder: '%s': %s\n", mbs->folder_path, strerror(errno)); - return -1; - } - - if (forceindex || camel_folder_summary_load(s) == -1) { - camel_folder_summary_clear(s); - ret = summary_rebuild(mbs, 0); - } else { - minstart = st.st_size; -#if 0 - /* find out the first unindexed message ... */ - /* TODO: For this to work, it has to check that the message is - indexable, and contains content ... maybe it cannot be done - properly? */ - for (i=0;i<camel_folder_summary_count(s);i++) { - CamelMessageInfo *mi = camel_folder_summary_index(s, i); - if (!ibex_contains_name(mbs->index, mi->uid)) { - minstart = ((CamelMboxMessageInfo *)mi)->frompos; - printf("Found unindexed message: %s\n", mi->uid); - break; - } - } -#endif - /* is the summary uptodate? */ - if (st.st_size == mbs->folder_size && st.st_mtime == s->time) { - printf("Summary time and date match mbox\n"); - if (minstart < st.st_size) { - /* FIXME: Only clear the messages and reindex from this point forward */ - camel_folder_summary_clear(s); - ret = summary_rebuild(mbs, 0); - } - } else { - if (mbs->folder_size < st.st_size) { - printf("Index is for a smaller mbox\n"); - if (minstart < mbs->folder_size) { - /* FIXME: only make it rebuild as necessary */ - camel_folder_summary_clear(s); - ret = summary_rebuild(mbs, 0); - } else { - ret = summary_rebuild(mbs, mbs->folder_size); - } - } else { - printf("index is for a bigger mbox\n"); - camel_folder_summary_clear(s); - ret = summary_rebuild(mbs, 0); - } - } - } - - if (ret != -1) { - mbs->folder_size = st.st_size; - s->time = st.st_mtime; - printf("saving summary\n"); - if (camel_folder_summary_save(s) == -1) - g_warning("Could not save summary: %s", strerror(errno)); - printf("summary saved\n"); - if (mbs->index) - ibex_save(mbs->index); - printf("ibex saved\n"); - } - - return ret; -} - -static int -header_write(int fd, struct _header_raw *header, char *xevline) -{ - struct iovec iv[4]; - int outlen = 0, len; - - iv[1].iov_base = ":"; - iv[1].iov_len = 1; - iv[3].iov_base = "\n"; - iv[3].iov_len = 1; - - while (header) { - if (strcasecmp(header->name, "X-Evolution")) { - iv[0].iov_base = header->name; - iv[0].iov_len = strlen(header->name); - iv[2].iov_base = header->value; - iv[2].iov_len = strlen(header->value); - - do { - len = writev(fd, iv, 4); - } while (len == -1 && errno == EINTR); - - if (len == -1) - return -1; - outlen += len; - } - header = header->next; - } - - iv[0].iov_base = "X-Evolution: "; - iv[0].iov_len = strlen(iv[0].iov_base); - iv[1].iov_base = xevline; - iv[1].iov_len = strlen(xevline); - iv[2].iov_base = "\n\n"; - iv[2].iov_len = 2; - - do { - len = writev(fd, iv, 3); - } while (len == -1 && errno == EINTR); - - if (len == -1) - return -1; - - outlen += 1; - - d(printf("Wrote %d bytes of headers\n", outlen)); - - return outlen; -} - -static int -copy_block(int fromfd, int tofd, off_t start, size_t bytes) -{ - char buffer[4096]; - int written = 0; - - d(printf("writing %d bytes ... ", bytes)); - - if (lseek(fromfd, start, SEEK_SET) != start) - return -1; - - while (bytes>0) { - int toread, towrite; - - toread = bytes; - if (bytes>4096) - toread = 4096; - else - toread = bytes; - do { - towrite = read(fromfd, buffer, toread); - } while (towrite == -1 && errno == EINTR); - - if (towrite == -1) - return -1; - - /* check for 'end of file' */ - if (towrite == 0) { - d(printf("end of file?\n")); - break; - } - - do { - toread = write(tofd, buffer, towrite); - } while (toread == -1 && errno == EINTR); - - if (toread == -1) - return -1; - - written += toread; - bytes -= toread; - } - - d(printf("written %d bytes\n", written)); - - return written; -} - -int -camel_mbox_summary_expunge(CamelMboxSummary *mbs) -{ - CamelMimeParser *mp=NULL; - int i, count; - CamelMboxMessageInfo *info; - CamelFolderSummary *s = (CamelFolderSummary *)mbs; - - int fd=-1, fdout=-1; - off_t offset = 0; - char *tmpname=0; - char *buffer, *xevnew = NULL; - const char *xev; - int len; - guint32 uid, flags; - int quick = TRUE, work = FALSE; - - /* make sure we're in sync */ - count = camel_folder_summary_count(s); - if (count>0) { - CamelMessageInfo *mi = camel_folder_summary_index(s, count-1); - camel_mbox_summary_update(mbs, mi->content->endpos); - } else { - camel_mbox_summary_update(mbs, 0); - } - - /* check if we have any work to do */ - d(printf("Performing expunge, %d messages in inbox\n", count)); - for (i=0;quick && i<count;i++) { - info = (CamelMboxMessageInfo *)camel_folder_summary_index(s, i); - if (info->info.flags & (CAMEL_MESSAGE_DELETED|CAMEL_MESSAGE_FOLDER_NOXEV)) - quick = FALSE; - else - work |= (info->info.flags & CAMEL_MESSAGE_FOLDER_FLAGGED) != 0; - } - - d(printf("Options: %s %s\n", quick?"quick":"", work?"Work":"")); - - if (quick && !work) - return 0; - - fd = open(mbs->folder_path, O_RDWR); - if (fd == -1) - return -1; - - mp = camel_mime_parser_new(); - camel_mime_parser_scan_from(mp, TRUE); - camel_mime_parser_init_with_fd(mp, fd); - - if (!quick) { - tmpname = alloca(strlen(mbs->folder_path)+5); - sprintf(tmpname, "%s.tmp", mbs->folder_path); - d(printf("Writing tmp file to %s\n", tmpname)); - retry_out: - fdout = open(tmpname, O_WRONLY|O_CREAT|O_EXCL, 0600); - if (fdout == -1) { - if (errno == EEXIST) - if (unlink(tmpname) != -1) - goto retry_out; - tmpname = 0; - goto error; - } - } - - for (i=0;i<count;i++) { - off_t frompos, bodypos; - off_t xevoffset; - - info = (CamelMboxMessageInfo *)camel_folder_summary_index(s, i); - - g_assert(info); - - d(printf("Looking at message %s\n", info->info.uid)); - - if (info->info.flags & CAMEL_MESSAGE_DELETED) { - d(printf("Deleting %s\n", info->info.uid)); - - g_assert(!quick); - offset -= (info->info.content->endpos - info->frompos); - if (mbs->index) - ibex_unindex(mbs->index, info->info.uid); - camel_folder_summary_remove(s, (CamelMessageInfo *)info); - count--; - i--; - info = NULL; - } else if (info->info.flags & (CAMEL_MESSAGE_FOLDER_NOXEV|CAMEL_MESSAGE_FOLDER_FLAGGED)) { - int xevok = FALSE; - - d(printf("Updating header for %s flags = %08x\n", info->info.uid, info->info.flags)); - - /* find the next message, header parts */ - camel_mime_parser_seek(mp, info->frompos, SEEK_SET); - if (camel_mime_parser_step(mp, &buffer, &len) != HSCAN_FROM) - goto error; - - if (camel_mime_parser_tell_start_from(mp) != info->frompos) { - g_error("Summary/mbox mismatch, aborting expunge"); - goto error; - } - - if (camel_mime_parser_step(mp, &buffer, &len) == HSCAN_FROM_END) - goto error; - - xev = camel_mime_parser_header(mp, "X-Evolution", (int *)&xevoffset); - if (xev && header_evolution_decode(xev, &uid, &flags) != -1) { - char name[64]; - - sprintf(name, "%u", uid); - if (strcmp(name, info->info.uid)) { - d(printf("Summary mismatch, aborting leaving mailbox intact\n")); - goto error; - } - xevok = TRUE; - } - xevnew = header_evolution_encode(strtoul(info->info.uid, NULL, 10), info->info.flags & 0xffff); - if (quick) { - if (!xevok) { - g_error("The summary told me I had an X-Evolution header, but i dont!"); - goto error; - } - buffer = g_strdup_printf("X-Evolution: %s", xevnew); - do { - len = write(fd, buffer, strlen(buffer)); - } while (len == -1 && errno == EINTR); - g_free(buffer); - if (len == -1) { - goto error; - } - } else { - frompos = lseek(fdout, 0, SEEK_CUR); - write(fdout, "From -\n", strlen("From -\n")); - if (header_write(fdout, camel_mime_parser_headers_raw(mp), xevnew) == -1) { - d(printf("Error writing to tmp mailbox\n")); - goto error; - } - bodypos = lseek(fdout, 0, SEEK_CUR); - d(printf("pos = %d, endpos = %d, bodypos = %d\n", - info->info.content->pos, - info->info.content->endpos, - info->info.content->bodypos)); - if (copy_block(fd, fdout, info->info.content->bodypos, info->info.content->endpos - info->info.content->bodypos) == -1) { - g_warning("Cannot copy data to output fd"); - goto error; - } - info->frompos = frompos; - offset = bodypos - info->info.content->bodypos; - } - info->info.flags &= 0xffff; - g_free(xevnew); xevnew = NULL; - camel_mime_parser_drop_step(mp); - camel_mime_parser_drop_step(mp); - } else { - d(printf("Nothing to do for this message\n")); - } - if (!quick && info!=NULL && offset!=0) { - camel_folder_summary_offset_content(info->info.content, offset); - d(printf("pos = %d, endpos = %d, bodypos = %d\n", - info->info.content->pos, - info->info.content->endpos, - info->info.content->bodypos)); - } - } - - d(printf("Closing folders\n")); - - if (close(fd) == -1) { - g_warning("Cannot close source folder: %s", strerror(errno)); - goto error; - } - - if (!quick) { - struct stat st; - - if (close(fdout) == -1) { - g_warning("Cannot close tmp folder: %s", strerror(errno)); - goto error; - } - - if (rename(tmpname, mbs->folder_path) == -1) { - g_warning("Cannot rename folder: %s", strerror(errno)); - goto error; - } - tmpname = 0; - - if (stat(mbs->folder_path, &st) == -1) - goto error; - - camel_folder_summary_touch(s); - s->time = st.st_mtime; - mbs->folder_size = st.st_size; - camel_folder_summary_save(s); - if (mbs->index) - ibex_save(mbs->index); - } - - gtk_object_unref((GtkObject *)mp); - - return 0; -error: - d(printf("Error occured: %s\n", strerror(errno))); - count = errno; - - close(fd); - close(fdout); - - g_free(xevnew); - - if (tmpname) - unlink(tmpname); - if (mp) - gtk_object_unref((GtkObject *)mp); - - errno = count; - return -1; -} |