[notmuch] [PATCH v3 2/6] Conversion to mailstore abstraction
Michal Sojka
sojkam1 at fel.cvut.cz
Sat Mar 27 13:44:17 PDT 2010
The code for detection of new files in the mailstore and their
addition to the database is moved from notmuch-new.c to
lib/mailstore-files.c, where it is called by the abstract mailstore
interface.
The code was only changed to allow the progress reporting functions to
be implemented outside of notmuch library, as can be seen by
git diff HEAD^^ -C
Signed-off-by: Michal Sojka <sojkam1 at fel.cvut.cz>
---
lib/mailstore-files.c | 581 ++++++++++++++++++++++++++++++++++++++++++++
notmuch-new.c | 648 +++++--------------------------------------------
2 files changed, 637 insertions(+), 592 deletions(-)
diff --git a/lib/mailstore-files.c b/lib/mailstore-files.c
index 92d7f5d..e4086ba 100644
--- a/lib/mailstore-files.c
+++ b/lib/mailstore-files.c
@@ -20,9 +20,587 @@
* Michal Sojka <sojkam1 at fel.cvut.cz>
*/
+#define _GNU_SOURCE /* For asprintf() */
#include "notmuch.h"
#include "mailstore-private.h"
+#include <dirent.h>
+typedef struct _filename_node {
+ char *filename;
+ struct _filename_node *next;
+} _filename_node_t;
+
+typedef struct _filename_list {
+ _filename_node_t *head;
+ _filename_node_t **tail;
+} _filename_list_t;
+
+typedef struct _indexing_context_priv {
+ _filename_list_t *removed_files;
+ _filename_list_t *removed_directories;
+} _indexing_context_priv_t;
+
+static _filename_list_t *
+_filename_list_create (const void *ctx)
+{
+ _filename_list_t *list;
+
+ list = talloc (ctx, _filename_list_t);
+ if (list == NULL)
+ return NULL;
+
+ list->head = NULL;
+ list->tail = &list->head;
+
+ return list;
+}
+
+static void
+_filename_list_add (_filename_list_t *list,
+ const char *filename)
+{
+ _filename_node_t *node = talloc (list, _filename_node_t);
+
+ node->filename = talloc_strdup (list, filename);
+ node->next = NULL;
+
+ *(list->tail) = node;
+ list->tail = &node->next;
+}
+
+static void
+tag_inbox_and_unread (notmuch_message_t *message)
+{
+ notmuch_message_add_tag (message, "inbox");
+ notmuch_message_add_tag (message, "unread");
+}
+
+static int
+dirent_sort_inode (const struct dirent **a, const struct dirent **b)
+{
+ return ((*a)->d_ino < (*b)->d_ino) ? -1 : 1;
+}
+
+static int
+dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b)
+{
+ return strcmp ((*a)->d_name, (*b)->d_name);
+}
+
+/* Test if the directory looks like a Maildir directory.
+ *
+ * Search through the array of directory entries to see if we can find all
+ * three subdirectories typical for Maildir, that is "new", "cur", and "tmp".
+ *
+ * Return 1 if the directory looks like a Maildir and 0 otherwise.
+ */
+static int
+_entries_resemble_maildir (struct dirent **entries, int count)
+{
+ int i, found = 0;
+
+ for (i = 0; i < count; i++) {
+ if (entries[i]->d_type != DT_DIR && entries[i]->d_type != DT_UNKNOWN)
+ continue;
+
+ if (strcmp(entries[i]->d_name, "new") == 0 ||
+ strcmp(entries[i]->d_name, "cur") == 0 ||
+ strcmp(entries[i]->d_name, "tmp") == 0)
+ {
+ found++;
+ if (found == 3)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+
+/* Examine 'path' recursively as follows:
+ *
+ * o Ask the filesystem for the mtime of 'path' (fs_mtime)
+ * o Ask the database for its timestamp of 'path' (db_mtime)
+ *
+ * o Ask the filesystem for files and directories within 'path'
+ * (via scandir and stored in fs_entries)
+ * o Ask the database for files and directories within 'path'
+ * (db_files and db_subdirs)
+ *
+ * o Pass 1: For each directory in fs_entries, recursively call into
+ * this same function.
+ *
+ * o Pass 2: If 'fs_mtime' > 'db_mtime', then walk fs_entries
+ * simultaneously with db_files and db_subdirs. Look for one of
+ * three interesting cases:
+ *
+ * 1. Regular file in fs_entries and not in db_files
+ * This is a new file to add_message into the database.
+ *
+ * 2. Filename in db_files not in fs_entries.
+ * This is a file that has been removed from the mail store.
+ *
+ * 3. Directory in db_subdirs not in fs_entries
+ * This is a directory that has been removed from the mail store.
+ *
+ * Note that the addition of a directory is not interesting here,
+ * since that will have been taken care of in pass 1. Also, we
+ * don't immediately act on file/directory removal since we must
+ * ensure that in the case of a rename that the new filename is
+ * added before the old filename is removed, (so that no
+ * information is lost from the database).
+ *
+ * o Tell the database to update its time of 'path' to 'fs_mtime'
+ */
+static notmuch_status_t
+add_files_recursive (notmuch_mailstore_t *mailstore,
+ const char *path,
+ notmuch_indexing_context_t *state)
+{
+ DIR *dir = NULL;
+ struct dirent *entry = NULL;
+ char *next = NULL;
+ time_t fs_mtime, db_mtime;
+ notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS;
+ notmuch_message_t *message = NULL;
+ struct dirent **fs_entries = NULL;
+ int i, num_fs_entries;
+ notmuch_directory_t *directory;
+ notmuch_filenames_t *db_files = NULL;
+ notmuch_filenames_t *db_subdirs = NULL;
+ struct stat st;
+ notmuch_bool_t is_maildir, new_directory;
+ _indexing_context_priv_t *priv = state->priv;
+ notmuch_database_t *notmuch = mailstore->notmuch;
+
+ if (stat (path, &st)) {
+ fprintf (stderr, "Error reading directory %s: %s\n",
+ path, strerror (errno));
+ return NOTMUCH_STATUS_FILE_ERROR;
+ }
+
+ /* This is not an error since we may have recursed based on a
+ * symlink to a regular file, not a directory, and we don't know
+ * that until this stat. */
+ if (! S_ISDIR (st.st_mode))
+ return NOTMUCH_STATUS_SUCCESS;
+
+ fs_mtime = st.st_mtime;
+
+ directory = notmuch_database_get_directory (notmuch, path);
+ db_mtime = notmuch_directory_get_mtime (directory);
+
+ if (db_mtime == 0) {
+ new_directory = TRUE;
+ db_files = NULL;
+ db_subdirs = NULL;
+ } else {
+ new_directory = FALSE;
+ db_files = notmuch_directory_get_child_files (directory);
+ db_subdirs = notmuch_directory_get_child_directories (directory);
+ }
+
+ /* If the database knows about this directory, then we sort based
+ * on strcmp to match the database sorting. Otherwise, we can do
+ * inode-based sorting for faster filesystem operation. */
+ num_fs_entries = scandir (path, &fs_entries, 0,
+ new_directory ?
+ dirent_sort_inode : dirent_sort_strcmp_name);
+
+ if (num_fs_entries == -1) {
+ fprintf (stderr, "Error opening directory %s: %s\n",
+ path, strerror (errno));
+ ret = NOTMUCH_STATUS_FILE_ERROR;
+ goto DONE;
+ }
+
+ /* Pass 1: Recurse into all sub-directories. */
+ is_maildir = _entries_resemble_maildir (fs_entries, num_fs_entries);
+
+ for (i = 0; i < num_fs_entries; i++) {
+ if (state->interrupted)
+ break;
+
+ entry = fs_entries[i];
+
+ /* We only want to descend into directories.
+ * But symlinks can be to directories too, of course.
+ *
+ * And if the filesystem doesn't tell us the file type in the
+ * scandir results, then it might be a directory (and if not,
+ * then we'll stat and return immediately in the next level of
+ * recursion). */
+ if (entry->d_type != DT_DIR &&
+ entry->d_type != DT_LNK &&
+ entry->d_type != DT_UNKNOWN)
+ {
+ continue;
+ }
+
+ /* Ignore special directories to avoid infinite recursion.
+ * Also ignore the .notmuch directory and any "tmp" directory
+ * that appears within a maildir.
+ */
+ /* XXX: Eventually we'll want more sophistication to let the
+ * user specify files to be ignored. */
+ if (strcmp (entry->d_name, ".") == 0 ||
+ strcmp (entry->d_name, "..") == 0 ||
+ (is_maildir && strcmp (entry->d_name, "tmp") == 0) ||
+ strcmp (entry->d_name, ".notmuch") ==0)
+ {
+ continue;
+ }
+
+ next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
+ status = add_files_recursive (mailstore, next, state);
+ if (status && ret == NOTMUCH_STATUS_SUCCESS)
+ ret = status;
+ talloc_free (next);
+ next = NULL;
+ }
+
+ /* If this directory hasn't been modified since the last
+ * "notmuch new", then we can skip the second pass entirely. */
+ if (fs_mtime <= db_mtime)
+ goto DONE;
+
+ /* Pass 2: Scan for new files, removed files, and removed directories. */
+ for (i = 0; i < num_fs_entries; i++)
+ {
+ if (state->interrupted)
+ break;
+
+ entry = fs_entries[i];
+
+ /* Check if we've walked past any names in db_files or
+ * db_subdirs. If so, these have been deleted. */
+ while (notmuch_filenames_valid (db_files) &&
+ strcmp (notmuch_filenames_get (db_files), entry->d_name) < 0)
+ {
+ char *absolute = talloc_asprintf (priv->removed_files,
+ "%s/%s", path,
+ notmuch_filenames_get (db_files));
+
+ _filename_list_add (priv->removed_files, absolute);
+
+ notmuch_filenames_move_to_next (db_files);
+ }
+
+ while (notmuch_filenames_valid (db_subdirs) &&
+ strcmp (notmuch_filenames_get (db_subdirs), entry->d_name) <= 0)
+ {
+ const char *filename = notmuch_filenames_get (db_subdirs);
+
+ if (strcmp (filename, entry->d_name) < 0)
+ {
+ char *absolute = talloc_asprintf (priv->removed_directories,
+ "%s/%s", path, filename);
+
+ _filename_list_add (priv->removed_directories, absolute);
+ }
+
+ notmuch_filenames_move_to_next (db_subdirs);
+ }
+
+ /* If we're looking at a symlink, we only want to add it if it
+ * links to a regular file, (and not to a directory, say).
+ *
+ * Similarly, if the file is of unknown type (due to filesytem
+ * limitations), then we also need to look closer.
+ *
+ * In either case, a stat does the trick.
+ */
+ if (entry->d_type == DT_LNK || entry->d_type == DT_UNKNOWN) {
+ int err;
+
+ next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
+ err = stat (next, &st);
+ talloc_free (next);
+ next = NULL;
+
+ /* Don't emit an error for a link pointing nowhere, since
+ * the directory-traversal pass will have already done
+ * that. */
+ if (err)
+ continue;
+
+ if (! S_ISREG (st.st_mode))
+ continue;
+ } else if (entry->d_type != DT_REG) {
+ continue;
+ }
+
+ /* Don't add a file that we've added before. */
+ if (notmuch_filenames_valid (db_files) &&
+ strcmp (notmuch_filenames_get (db_files), entry->d_name) == 0)
+ {
+ notmuch_filenames_move_to_next (db_files);
+ continue;
+ }
+
+ /* We're now looking at a regular file that doesn't yet exist
+ * in the database, so add it. */
+ next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
+
+ state->processed_files++;
+
+ if (state->verbose && state->print_verbose_cb)
+ state->print_verbose_cb(state, next);
+
+ status = notmuch_database_add_message (notmuch, next, &message);
+ switch (status) {
+ /* success */
+ case NOTMUCH_STATUS_SUCCESS:
+ state->added_messages++;
+ tag_inbox_and_unread (message);
+ break;
+ /* Non-fatal issues (go on to next file) */
+ case NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID:
+ /* Stay silent on this one. */
+ break;
+ case NOTMUCH_STATUS_FILE_NOT_EMAIL:
+ fprintf (stderr, "Note: Ignoring non-mail file: %s\n",
+ next);
+ break;
+ /* Fatal issues. Don't process anymore. */
+ case NOTMUCH_STATUS_READ_ONLY_DATABASE:
+ case NOTMUCH_STATUS_XAPIAN_EXCEPTION:
+ case NOTMUCH_STATUS_OUT_OF_MEMORY:
+ fprintf (stderr, "Error: %s. Halting processing.\n",
+ notmuch_status_to_string (status));
+ ret = status;
+ goto DONE;
+ default:
+ case NOTMUCH_STATUS_FILE_ERROR:
+ case NOTMUCH_STATUS_NULL_POINTER:
+ case NOTMUCH_STATUS_TAG_TOO_LONG:
+ case NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW:
+ case NOTMUCH_STATUS_LAST_STATUS:
+ INTERNAL_ERROR ("add_message returned unexpected value: %d", status);
+ goto DONE;
+ }
+
+ if (message) {
+ notmuch_message_destroy (message);
+ message = NULL;
+ }
+
+ if (state->print_progress &&
+ state->print_progress_cb) {
+ state->print_progress = 0;
+ state->print_progress_cb (state);
+ }
+
+ talloc_free (next);
+ next = NULL;
+ }
+
+ if (state->interrupted)
+ goto DONE;
+
+ /* Now that we've walked the whole filesystem list, anything left
+ * over in the database lists has been deleted. */
+ while (notmuch_filenames_valid (db_files))
+ {
+ char *absolute = talloc_asprintf (priv->removed_files,
+ "%s/%s", path,
+ notmuch_filenames_get (db_files));
+
+ _filename_list_add (priv->removed_files, absolute);
+
+ notmuch_filenames_move_to_next (db_files);
+ }
+
+ while (notmuch_filenames_valid (db_subdirs))
+ {
+ char *absolute = talloc_asprintf (priv->removed_directories,
+ "%s/%s", path,
+ notmuch_filenames_get (db_subdirs));
+
+ _filename_list_add (priv->removed_directories, absolute);
+
+ notmuch_filenames_move_to_next (db_subdirs);
+ }
+
+ if (! state->interrupted) {
+ status = notmuch_directory_set_mtime (directory, fs_mtime);
+ if (status && ret == NOTMUCH_STATUS_SUCCESS)
+ ret = status;
+ }
+
+DONE:
+ if (next)
+ talloc_free (next);
+ if (entry)
+ free (entry);
+ if (dir)
+ closedir (dir);
+ if (fs_entries)
+ free (fs_entries);
+ if (db_subdirs)
+ notmuch_filenames_destroy (db_subdirs);
+ if (db_files)
+ notmuch_filenames_destroy (db_files);
+ if (directory)
+ notmuch_directory_destroy (directory);
+
+ return ret;
+}
+
+/* XXX: This should be merged with the add_files function since it
+ * shares a lot of logic with it. */
+/* Recursively count all regular files in path and all sub-directories
+ * of path. The result is added to *count (which should be
+ * initialized to zero by the top-level caller before calling
+ * count_files). */
+static void
+count_files (notmuch_mailstore_t *mailstore,
+ const char *path, int *count,
+ volatile sig_atomic_t *interrupted)
+{
+ struct dirent *entry = NULL;
+ char *next;
+ struct stat st;
+ struct dirent **fs_entries = NULL;
+ int num_fs_entries = scandir (path, &fs_entries, 0, dirent_sort_inode);
+ int i = 0;
+
+ (void)mailstore;
+ if (num_fs_entries == -1) {
+ fprintf (stderr, "Warning: failed to open directory %s: %s\n",
+ path, strerror (errno));
+ goto DONE;
+ }
+
+ while (!*interrupted) {
+ if (i == num_fs_entries)
+ break;
+
+ entry = fs_entries[i++];
+
+ /* Ignore special directories to avoid infinite recursion.
+ * Also ignore the .notmuch directory.
+ */
+ /* XXX: Eventually we'll want more sophistication to let the
+ * user specify files to be ignored. */
+ if (strcmp (entry->d_name, ".") == 0 ||
+ strcmp (entry->d_name, "..") == 0 ||
+ strcmp (entry->d_name, ".notmuch") == 0)
+ {
+ continue;
+ }
+
+ if (asprintf (&next, "%s/%s", path, entry->d_name) == -1) {
+ next = NULL;
+ fprintf (stderr, "Error descending from %s to %s: Out of memory\n",
+ path, entry->d_name);
+ continue;
+ }
+
+ stat (next, &st);
+
+ if (S_ISREG (st.st_mode)) {
+ *count = *count + 1;
+ if (*count % 1000 == 0) {
+ printf ("Found %d files so far.\r", *count);
+ fflush (stdout);
+ }
+ } else if (S_ISDIR (st.st_mode)) {
+ count_files (mailstore, next, count, interrupted);
+ }
+
+ free (next);
+ }
+
+DONE:
+ if (entry)
+ free (entry);
+ if (fs_entries)
+ free (fs_entries);
+}
+
+/* Recursively remove all filenames from the database referring to
+ * 'path' (or to any of its children). */
+static void
+_remove_directory (void *ctx,
+ notmuch_database_t *notmuch,
+ const char *path,
+ int *renamed_files,
+ int *removed_files)
+{
+ notmuch_directory_t *directory;
+ notmuch_filenames_t *files, *subdirs;
+ notmuch_status_t status;
+ char *absolute;
+
+ directory = notmuch_database_get_directory (notmuch, path);
+
+ for (files = notmuch_directory_get_child_files (directory);
+ notmuch_filenames_valid (files);
+ notmuch_filenames_move_to_next (files))
+ {
+ absolute = talloc_asprintf (ctx, "%s/%s", path,
+ notmuch_filenames_get (files));
+ status = notmuch_database_remove_message (notmuch, absolute);
+ if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID)
+ *renamed_files = *renamed_files + 1;
+ else
+ *removed_files = *removed_files + 1;
+ talloc_free (absolute);
+ }
+
+ for (subdirs = notmuch_directory_get_child_directories (directory);
+ notmuch_filenames_valid (subdirs);
+ notmuch_filenames_move_to_next (subdirs))
+ {
+ absolute = talloc_asprintf (ctx, "%s/%s", path,
+ notmuch_filenames_get (subdirs));
+ _remove_directory (ctx, notmuch, absolute, renamed_files, removed_files);
+ talloc_free (absolute);
+ }
+
+ notmuch_directory_destroy (directory);
+}
+
+static notmuch_private_status_t
+index_new(notmuch_mailstore_t *mailstore, const char* path,
+ notmuch_indexing_context_t *indexing_ctx)
+{
+ _indexing_context_priv_t *priv;
+ _filename_node_t *f;
+ notmuch_status_t status, ret;
+ notmuch_database_t *notmuch = mailstore->notmuch;
+
+ priv = talloc(NULL, _indexing_context_priv_t);
+ indexing_ctx->priv = priv;
+ if (priv == NULL)
+ return NOTMUCH_STATUS_OUT_OF_MEMORY;
+
+ priv->removed_files = _filename_list_create (priv);
+ priv->removed_directories = _filename_list_create (priv);
+
+ ret = add_files_recursive(mailstore, path, indexing_ctx);
+
+ indexing_ctx->removed_files = 0;
+ indexing_ctx->renamed_files = 0;
+ for (f = priv->removed_files->head; f; f = f->next) {
+ status = notmuch_database_remove_message (notmuch, f->filename);
+ if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID)
+ indexing_ctx->renamed_files++;
+ else
+ indexing_ctx->removed_files++;
+ }
+
+ for (f = priv->removed_directories->head; f; f = f->next) {
+ _remove_directory (priv, notmuch, f->filename,
+ &indexing_ctx->renamed_files,
+ &indexing_ctx->removed_files);
+ }
+
+ talloc_free(priv);
+
+ return ret;
+}
static FILE *
open_file(notmuch_mailstore_t *mailstore, const char *filename)
@@ -39,5 +617,8 @@ open_file(notmuch_mailstore_t *mailstore, const char *filename)
/* Original notmuch mail store */
struct _notmuch_mailstore mailstore_files = {
.type = "files",
+ .count_files = count_files,
+ .index_new = index_new,
+ .sync_tags = NULL,
.open_file = open_file,
};
diff --git a/notmuch-new.c b/notmuch-new.c
index 2d0ba6c..1ff5840 100644
--- a/notmuch-new.c
+++ b/notmuch-new.c
@@ -22,35 +22,12 @@
#include <unistd.h>
-typedef struct _filename_node {
- char *filename;
- struct _filename_node *next;
-} _filename_node_t;
-
-typedef struct _filename_list {
- _filename_node_t *head;
- _filename_node_t **tail;
-} _filename_list_t;
-
-typedef struct {
- int output_is_a_tty;
- int verbose;
-
- int total_files;
- int processed_files;
- int added_messages;
- struct timeval tv_start;
-
- _filename_list_t *removed_files;
- _filename_list_t *removed_directories;
-} add_files_state_t;
-
-static volatile sig_atomic_t do_add_files_print_progress = 0;
+notmuch_indexing_context_t *indexing_ctx;
static void
handle_sigalrm (unused (int signal))
{
- do_add_files_print_progress = 1;
+ indexing_ctx->print_progress = 1;
}
static volatile sig_atomic_t interrupted;
@@ -62,53 +39,24 @@ handle_sigint (unused (int sig))
static char msg[] = "Stopping... \n";
ignored = write(2, msg, sizeof(msg)-1);
- interrupted = 1;
+ indexing_ctx->interrupted = 1;
}
-static _filename_list_t *
-_filename_list_create (const void *ctx)
-{
- _filename_list_t *list;
-
- list = talloc (ctx, _filename_list_t);
- if (list == NULL)
- return NULL;
-
- list->head = NULL;
- list->tail = &list->head;
-
- return list;
-}
-
-static void
-_filename_list_add (_filename_list_t *list,
- const char *filename)
-{
- _filename_node_t *node = talloc (list, _filename_node_t);
-
- node->filename = talloc_strdup (list, filename);
- node->next = NULL;
-
- *(list->tail) = node;
- list->tail = &node->next;
-}
-
-static void
-tag_inbox_and_unread (notmuch_message_t *message)
-{
- notmuch_message_add_tag (message, "inbox");
- notmuch_message_add_tag (message, "unread");
-}
+struct priv_ctx {
+ struct timeval tv_start;
+ int output_is_a_tty;
+};
static void
-add_files_print_progress (add_files_state_t *state)
+add_files_print_progress (notmuch_indexing_context_t *state)
{
+ struct priv_ctx *state2 = state->priv;
struct timeval tv_now;
double elapsed_overall, rate_overall;
gettimeofday (&tv_now, NULL);
- elapsed_overall = notmuch_time_elapsed (state->tv_start, tv_now);
+ elapsed_overall = notmuch_time_elapsed (state2->tv_start, tv_now);
rate_overall = (state->processed_files) / elapsed_overall;
printf ("Processed %d", state->processed_files);
@@ -128,396 +76,42 @@ add_files_print_progress (add_files_state_t *state)
fflush (stdout);
}
-static int
-dirent_sort_inode (const struct dirent **a, const struct dirent **b)
-{
- return ((*a)->d_ino < (*b)->d_ino) ? -1 : 1;
-}
-
-static int
-dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b)
-{
- return strcmp ((*a)->d_name, (*b)->d_name);
-}
-
-/* Test if the directory looks like a Maildir directory.
- *
- * Search through the array of directory entries to see if we can find all
- * three subdirectories typical for Maildir, that is "new", "cur", and "tmp".
- *
- * Return 1 if the directory looks like a Maildir and 0 otherwise.
- */
-static int
-_entries_resemble_maildir (struct dirent **entries, int count)
-{
- int i, found = 0;
-
- for (i = 0; i < count; i++) {
- if (entries[i]->d_type != DT_DIR && entries[i]->d_type != DT_UNKNOWN)
- continue;
-
- if (strcmp(entries[i]->d_name, "new") == 0 ||
- strcmp(entries[i]->d_name, "cur") == 0 ||
- strcmp(entries[i]->d_name, "tmp") == 0)
- {
- found++;
- if (found == 3)
- return 1;
- }
- }
-
- return 0;
-}
-
-/* Examine 'path' recursively as follows:
- *
- * o Ask the filesystem for the mtime of 'path' (fs_mtime)
- * o Ask the database for its timestamp of 'path' (db_mtime)
- *
- * o Ask the filesystem for files and directories within 'path'
- * (via scandir and stored in fs_entries)
- * o Ask the database for files and directories within 'path'
- * (db_files and db_subdirs)
- *
- * o Pass 1: For each directory in fs_entries, recursively call into
- * this same function.
- *
- * o Pass 2: If 'fs_mtime' > 'db_mtime', then walk fs_entries
- * simultaneously with db_files and db_subdirs. Look for one of
- * three interesting cases:
- *
- * 1. Regular file in fs_entries and not in db_files
- * This is a new file to add_message into the database.
- *
- * 2. Filename in db_files not in fs_entries.
- * This is a file that has been removed from the mail store.
- *
- * 3. Directory in db_subdirs not in fs_entries
- * This is a directory that has been removed from the mail store.
- *
- * Note that the addition of a directory is not interesting here,
- * since that will have been taken care of in pass 1. Also, we
- * don't immediately act on file/directory removal since we must
- * ensure that in the case of a rename that the new filename is
- * added before the old filename is removed, (so that no
- * information is lost from the database).
- *
- * o Tell the database to update its time of 'path' to 'fs_mtime'
- */
-static notmuch_status_t
-add_files_recursive (notmuch_database_t *notmuch,
- const char *path,
- add_files_state_t *state)
+static void
+add_files_print_verbose (notmuch_indexing_context_t *state, const char *filename)
{
- DIR *dir = NULL;
- struct dirent *entry = NULL;
- char *next = NULL;
- time_t fs_mtime, db_mtime;
- notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS;
- notmuch_message_t *message = NULL;
- struct dirent **fs_entries = NULL;
- int i, num_fs_entries;
- notmuch_directory_t *directory;
- notmuch_filenames_t *db_files = NULL;
- notmuch_filenames_t *db_subdirs = NULL;
- struct stat st;
- notmuch_bool_t is_maildir, new_directory;
-
- if (stat (path, &st)) {
- fprintf (stderr, "Error reading directory %s: %s\n",
- path, strerror (errno));
- return NOTMUCH_STATUS_FILE_ERROR;
- }
-
- /* This is not an error since we may have recursed based on a
- * symlink to a regular file, not a directory, and we don't know
- * that until this stat. */
- if (! S_ISDIR (st.st_mode))
- return NOTMUCH_STATUS_SUCCESS;
-
- fs_mtime = st.st_mtime;
-
- directory = notmuch_database_get_directory (notmuch, path);
- db_mtime = notmuch_directory_get_mtime (directory);
-
- if (db_mtime == 0) {
- new_directory = TRUE;
- db_files = NULL;
- db_subdirs = NULL;
- } else {
- new_directory = FALSE;
- db_files = notmuch_directory_get_child_files (directory);
- db_subdirs = notmuch_directory_get_child_directories (directory);
- }
-
- /* If the database knows about this directory, then we sort based
- * on strcmp to match the database sorting. Otherwise, we can do
- * inode-based sorting for faster filesystem operation. */
- num_fs_entries = scandir (path, &fs_entries, 0,
- new_directory ?
- dirent_sort_inode : dirent_sort_strcmp_name);
-
- if (num_fs_entries == -1) {
- fprintf (stderr, "Error opening directory %s: %s\n",
- path, strerror (errno));
- ret = NOTMUCH_STATUS_FILE_ERROR;
- goto DONE;
- }
-
- /* Pass 1: Recurse into all sub-directories. */
- is_maildir = _entries_resemble_maildir (fs_entries, num_fs_entries);
-
- for (i = 0; i < num_fs_entries; i++) {
- if (interrupted)
- break;
-
- entry = fs_entries[i];
-
- /* We only want to descend into directories.
- * But symlinks can be to directories too, of course.
- *
- * And if the filesystem doesn't tell us the file type in the
- * scandir results, then it might be a directory (and if not,
- * then we'll stat and return immediately in the next level of
- * recursion). */
- if (entry->d_type != DT_DIR &&
- entry->d_type != DT_LNK &&
- entry->d_type != DT_UNKNOWN)
- {
- continue;
- }
-
- /* Ignore special directories to avoid infinite recursion.
- * Also ignore the .notmuch directory and any "tmp" directory
- * that appears within a maildir.
- */
- /* XXX: Eventually we'll want more sophistication to let the
- * user specify files to be ignored. */
- if (strcmp (entry->d_name, ".") == 0 ||
- strcmp (entry->d_name, "..") == 0 ||
- (is_maildir && strcmp (entry->d_name, "tmp") == 0) ||
- strcmp (entry->d_name, ".notmuch") ==0)
- {
- continue;
- }
-
- next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
- status = add_files_recursive (notmuch, next, state);
- if (status && ret == NOTMUCH_STATUS_SUCCESS)
- ret = status;
- talloc_free (next);
- next = NULL;
- }
-
- /* If this directory hasn't been modified since the last
- * "notmuch new", then we can skip the second pass entirely. */
- if (fs_mtime <= db_mtime)
- goto DONE;
-
- /* Pass 2: Scan for new files, removed files, and removed directories. */
- for (i = 0; i < num_fs_entries; i++)
- {
- if (interrupted)
- break;
+ struct priv_ctx *state2 = state->priv;
+ if (state2->output_is_a_tty)
+ printf("\r\033[K");
- entry = fs_entries[i];
+ printf ("%i/%i: %s",
+ state->processed_files,
+ state->total_files,
+ filename);
- /* Check if we've walked past any names in db_files or
- * db_subdirs. If so, these have been deleted. */
- while (notmuch_filenames_valid (db_files) &&
- strcmp (notmuch_filenames_get (db_files), entry->d_name) < 0)
- {
- char *absolute = talloc_asprintf (state->removed_files,
- "%s/%s", path,
- notmuch_filenames_get (db_files));
-
- _filename_list_add (state->removed_files, absolute);
-
- notmuch_filenames_move_to_next (db_files);
- }
-
- while (notmuch_filenames_valid (db_subdirs) &&
- strcmp (notmuch_filenames_get (db_subdirs), entry->d_name) <= 0)
- {
- const char *filename = notmuch_filenames_get (db_subdirs);
-
- if (strcmp (filename, entry->d_name) < 0)
- {
- char *absolute = talloc_asprintf (state->removed_directories,
- "%s/%s", path, filename);
-
- _filename_list_add (state->removed_directories, absolute);
- }
-
- notmuch_filenames_move_to_next (db_subdirs);
- }
-
- /* If we're looking at a symlink, we only want to add it if it
- * links to a regular file, (and not to a directory, say).
- *
- * Similarly, if the file is of unknown type (due to filesytem
- * limitations), then we also need to look closer.
- *
- * In either case, a stat does the trick.
- */
- if (entry->d_type == DT_LNK || entry->d_type == DT_UNKNOWN) {
- int err;
-
- next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
- err = stat (next, &st);
- talloc_free (next);
- next = NULL;
-
- /* Don't emit an error for a link pointing nowhere, since
- * the directory-traversal pass will have already done
- * that. */
- if (err)
- continue;
-
- if (! S_ISREG (st.st_mode))
- continue;
- } else if (entry->d_type != DT_REG) {
- continue;
- }
-
- /* Don't add a file that we've added before. */
- if (notmuch_filenames_valid (db_files) &&
- strcmp (notmuch_filenames_get (db_files), entry->d_name) == 0)
- {
- notmuch_filenames_move_to_next (db_files);
- continue;
- }
-
- /* We're now looking at a regular file that doesn't yet exist
- * in the database, so add it. */
- next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
-
- state->processed_files++;
-
- if (state->verbose) {
- if (state->output_is_a_tty)
- printf("\r\033[K");
-
- printf ("%i/%i: %s",
- state->processed_files,
- state->total_files,
- next);
-
- putchar((state->output_is_a_tty) ? '\r' : '\n');
- fflush (stdout);
- }
-
- status = notmuch_database_add_message (notmuch, next, &message);
- switch (status) {
- /* success */
- case NOTMUCH_STATUS_SUCCESS:
- state->added_messages++;
- tag_inbox_and_unread (message);
- break;
- /* Non-fatal issues (go on to next file) */
- case NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID:
- /* Stay silent on this one. */
- break;
- case NOTMUCH_STATUS_FILE_NOT_EMAIL:
- fprintf (stderr, "Note: Ignoring non-mail file: %s\n",
- next);
- break;
- /* Fatal issues. Don't process anymore. */
- case NOTMUCH_STATUS_READ_ONLY_DATABASE:
- case NOTMUCH_STATUS_XAPIAN_EXCEPTION:
- case NOTMUCH_STATUS_OUT_OF_MEMORY:
- fprintf (stderr, "Error: %s. Halting processing.\n",
- notmuch_status_to_string (status));
- ret = status;
- goto DONE;
- default:
- case NOTMUCH_STATUS_FILE_ERROR:
- case NOTMUCH_STATUS_NULL_POINTER:
- case NOTMUCH_STATUS_TAG_TOO_LONG:
- case NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW:
- case NOTMUCH_STATUS_LAST_STATUS:
- INTERNAL_ERROR ("add_message returned unexpected value: %d", status);
- goto DONE;
- }
-
- if (message) {
- notmuch_message_destroy (message);
- message = NULL;
- }
-
- if (do_add_files_print_progress) {
- do_add_files_print_progress = 0;
- add_files_print_progress (state);
- }
-
- talloc_free (next);
- next = NULL;
- }
-
- /* Now that we've walked the whole filesystem list, anything left
- * over in the database lists has been deleted. */
- while (notmuch_filenames_valid (db_files))
- {
- char *absolute = talloc_asprintf (state->removed_files,
- "%s/%s", path,
- notmuch_filenames_get (db_files));
-
- _filename_list_add (state->removed_files, absolute);
-
- notmuch_filenames_move_to_next (db_files);
- }
-
- while (notmuch_filenames_valid (db_subdirs))
- {
- char *absolute = talloc_asprintf (state->removed_directories,
- "%s/%s", path,
- notmuch_filenames_get (db_subdirs));
-
- _filename_list_add (state->removed_directories, absolute);
-
- notmuch_filenames_move_to_next (db_subdirs);
- }
-
- if (! interrupted) {
- status = notmuch_directory_set_mtime (directory, fs_mtime);
- if (status && ret == NOTMUCH_STATUS_SUCCESS)
- ret = status;
- }
-
- DONE:
- if (next)
- talloc_free (next);
- if (entry)
- free (entry);
- if (dir)
- closedir (dir);
- if (fs_entries)
- free (fs_entries);
- if (db_subdirs)
- notmuch_filenames_destroy (db_subdirs);
- if (db_files)
- notmuch_filenames_destroy (db_files);
- if (directory)
- notmuch_directory_destroy (directory);
-
- return ret;
+ putchar((state2->output_is_a_tty) ? '\r' : '\n');
+ fflush (stdout);
}
/* This is the top-level entry point for add_files. It does a couple
* of error checks, sets up the progress-printing timer and then calls
* into the recursive function. */
static notmuch_status_t
-add_files (notmuch_database_t *notmuch,
+add_files (notmuch_mailstore_t *mailstore,
const char *path,
- add_files_state_t *state)
+ notmuch_indexing_context_t *state) /* FIXME: rename */
{
+ struct priv_ctx *state2 = state->priv;
notmuch_status_t status;
struct sigaction action;
struct itimerval timerval;
notmuch_bool_t timer_is_active = FALSE;
struct stat st;
- if (state->output_is_a_tty && ! debugger_is_active () && ! state->verbose) {
+ state->print_progress = 0;
+ state->print_progress_cb = add_files_print_progress;
+ state->print_verbose_cb = add_files_print_verbose;
+
+ if (state2->output_is_a_tty && ! debugger_is_active () && ! state->verbose) {
/* Setup our handler for SIGALRM */
memset (&action, 0, sizeof (struct sigaction));
action.sa_handler = handle_sigalrm;
@@ -546,7 +140,7 @@ add_files (notmuch_database_t *notmuch,
return NOTMUCH_STATUS_FILE_ERROR;
}
- status = add_files_recursive (notmuch, path, state);
+ status = notmuch_mailstore_index_new (mailstore, path, state);
if (timer_is_active) {
/* Now stop the timer. */
@@ -564,80 +158,12 @@ add_files (notmuch_database_t *notmuch,
return status;
}
-/* XXX: This should be merged with the add_files function since it
- * shares a lot of logic with it. */
-/* Recursively count all regular files in path and all sub-directories
- * of path. The result is added to *count (which should be
- * initialized to zero by the top-level caller before calling
- * count_files). */
-static void
-count_files (const char *path, int *count)
-{
- struct dirent *entry = NULL;
- char *next;
- struct stat st;
- struct dirent **fs_entries = NULL;
- int num_fs_entries = scandir (path, &fs_entries, 0, dirent_sort_inode);
- int i = 0;
-
- if (num_fs_entries == -1) {
- fprintf (stderr, "Warning: failed to open directory %s: %s\n",
- path, strerror (errno));
- goto DONE;
- }
-
- while (!interrupted) {
- if (i == num_fs_entries)
- break;
-
- entry = fs_entries[i++];
-
- /* Ignore special directories to avoid infinite recursion.
- * Also ignore the .notmuch directory.
- */
- /* XXX: Eventually we'll want more sophistication to let the
- * user specify files to be ignored. */
- if (strcmp (entry->d_name, ".") == 0 ||
- strcmp (entry->d_name, "..") == 0 ||
- strcmp (entry->d_name, ".notmuch") == 0)
- {
- continue;
- }
-
- if (asprintf (&next, "%s/%s", path, entry->d_name) == -1) {
- next = NULL;
- fprintf (stderr, "Error descending from %s to %s: Out of memory\n",
- path, entry->d_name);
- continue;
- }
-
- stat (next, &st);
-
- if (S_ISREG (st.st_mode)) {
- *count = *count + 1;
- if (*count % 1000 == 0) {
- printf ("Found %d files so far.\r", *count);
- fflush (stdout);
- }
- } else if (S_ISDIR (st.st_mode)) {
- count_files (next, count);
- }
-
- free (next);
- }
-
- DONE:
- if (entry)
- free (entry);
- if (fs_entries)
- free (fs_entries);
-}
-
static void
upgrade_print_progress (void *closure,
double progress)
{
- add_files_state_t *state = closure;
+ notmuch_indexing_context_t *state = closure;
+ struct priv_ctx *state2 = state->priv;
printf ("Upgrading database: %.2f%% complete", progress * 100.0);
@@ -647,7 +173,7 @@ upgrade_print_progress (void *closure,
gettimeofday (&tv_now, NULL);
- elapsed = notmuch_time_elapsed (state->tv_start, tv_now);
+ elapsed = notmuch_time_elapsed (state2->tv_start, tv_now);
time_remaining = (elapsed / progress) * (1.0 - progress);
printf (" (");
notmuch_time_print_formatted_seconds (time_remaining);
@@ -659,55 +185,13 @@ upgrade_print_progress (void *closure,
fflush (stdout);
}
-/* Recursively remove all filenames from the database referring to
- * 'path' (or to any of its children). */
-static void
-_remove_directory (void *ctx,
- notmuch_database_t *notmuch,
- const char *path,
- int *renamed_files,
- int *removed_files)
-{
- notmuch_directory_t *directory;
- notmuch_filenames_t *files, *subdirs;
- notmuch_status_t status;
- char *absolute;
-
- directory = notmuch_database_get_directory (notmuch, path);
-
- for (files = notmuch_directory_get_child_files (directory);
- notmuch_filenames_valid (files);
- notmuch_filenames_move_to_next (files))
- {
- absolute = talloc_asprintf (ctx, "%s/%s", path,
- notmuch_filenames_get (files));
- status = notmuch_database_remove_message (notmuch, absolute);
- if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID)
- *renamed_files = *renamed_files + 1;
- else
- *removed_files = *removed_files + 1;
- talloc_free (absolute);
- }
-
- for (subdirs = notmuch_directory_get_child_directories (directory);
- notmuch_filenames_valid (subdirs);
- notmuch_filenames_move_to_next (subdirs))
- {
- absolute = talloc_asprintf (ctx, "%s/%s", path,
- notmuch_filenames_get (subdirs));
- _remove_directory (ctx, notmuch, absolute, renamed_files, removed_files);
- talloc_free (absolute);
- }
-
- notmuch_directory_destroy (directory);
-}
-
int
notmuch_new_command (void *ctx, int argc, char *argv[])
{
notmuch_config_t *config;
notmuch_database_t *notmuch;
- add_files_state_t add_files_state;
+ struct priv_ctx state2;
+ notmuch_indexing_context_t add_files_state; /* FIXME: Rename */
double elapsed;
struct timeval tv_now;
int ret = 0;
@@ -715,13 +199,14 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
const char *db_path;
char *dot_notmuch_path;
struct sigaction action;
- _filename_node_t *f;
- int renamed_files, removed_files;
- notmuch_status_t status;
int i;
+ notmuch_mailstore_t *mailstore;
+
+ indexing_ctx = &add_files_state;
add_files_state.verbose = 0;
- add_files_state.output_is_a_tty = isatty (fileno (stdout));
+ add_files_state.priv = &state2;
+ state2.output_is_a_tty = isatty (fileno (stdout));
for (i = 0; i < argc && argv[i][0] == '-'; i++) {
if (STRNCMP_LITERAL (argv[i], "--verbose") == 0) {
@@ -737,6 +222,7 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
return 1;
db_path = notmuch_config_get_database_path (config);
+ mailstore = notmuch_config_get_mailstore (config);
dot_notmuch_path = talloc_asprintf (ctx, "%s/%s", db_path, ".notmuch");
@@ -744,24 +230,22 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
int count;
count = 0;
- count_files (db_path, &count);
+ notmuch_mailstore_count_files (mailstore, db_path, &count, &interrupted);
if (interrupted)
return 1;
printf ("Found %d total files (that's not much mail).\n", count);
- notmuch = notmuch_database_create (db_path,
- notmuch_config_get_mailstore (config));
+ notmuch = notmuch_database_create (db_path, mailstore);
add_files_state.total_files = count;
} else {
- notmuch = notmuch_database_open (db_path,
- NOTMUCH_DATABASE_MODE_READ_WRITE,
- notmuch_config_get_mailstore (config));
+ notmuch = notmuch_database_open (db_path, NOTMUCH_DATABASE_MODE_READ_WRITE,
+ mailstore);
if (notmuch == NULL)
return 1;
if (notmuch_database_needs_upgrade (notmuch)) {
printf ("Welcome to a new version of notmuch! Your database will now be upgraded.\n");
- gettimeofday (&add_files_state.tv_start, NULL);
+ gettimeofday (&state2.tv_start, NULL);
notmuch_database_upgrade (notmuch, upgrade_print_progress,
&add_files_state);
printf ("Your notmuch database has now been upgraded to database format version %u.\n",
@@ -777,6 +261,7 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
/* Setup our handler for SIGINT. We do this after having
* potentially done a database upgrade we this interrupt handler
* won't support. */
+ add_files_state.interrupted = 0;
memset (&action, 0, sizeof (struct sigaction));
action.sa_handler = handle_sigint;
sigemptyset (&action.sa_mask);
@@ -788,33 +273,12 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
add_files_state.processed_files = 0;
add_files_state.added_messages = 0;
- gettimeofday (&add_files_state.tv_start, NULL);
-
- add_files_state.removed_files = _filename_list_create (ctx);
- add_files_state.removed_directories = _filename_list_create (ctx);
-
- ret = add_files (notmuch, db_path, &add_files_state);
-
- removed_files = 0;
- renamed_files = 0;
- for (f = add_files_state.removed_files->head; f; f = f->next) {
- status = notmuch_database_remove_message (notmuch, f->filename);
- if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID)
- renamed_files++;
- else
- removed_files++;
- }
-
- for (f = add_files_state.removed_directories->head; f; f = f->next) {
- _remove_directory (ctx, notmuch, f->filename,
- &renamed_files, &removed_files);
- }
+ gettimeofday (&state2.tv_start, NULL);
- talloc_free (add_files_state.removed_files);
- talloc_free (add_files_state.removed_directories);
+ ret = add_files (mailstore, db_path, &add_files_state);
gettimeofday (&tv_now, NULL);
- elapsed = notmuch_time_elapsed (add_files_state.tv_start,
+ elapsed = notmuch_time_elapsed (state2.tv_start,
tv_now);
if (add_files_state.processed_files) {
@@ -839,16 +303,16 @@ notmuch_new_command (void *ctx, int argc, char *argv[])
printf ("No new mail.");
}
- if (removed_files) {
+ if (add_files_state.removed_files) {
printf (" Removed %d %s.",
- removed_files,
- removed_files == 1 ? "message" : "messages");
+ add_files_state.removed_files,
+ add_files_state.removed_files == 1 ? "message" : "messages");
}
- if (renamed_files) {
+ if (add_files_state.renamed_files) {
printf (" Detected %d file %s.",
- renamed_files,
- renamed_files == 1 ? "rename" : "renames");
+ add_files_state.renamed_files,
+ add_files_state.renamed_files == 1 ? "rename" : "renames");
}
printf ("\n");
--
1.7.0.2
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