#include <sys/time.h>
#include <signal.h>
-#include <xapian.h>
#include <glib.h> /* g_free, GPtrArray, GHashTable */
*
* type: mail
*
- * id: Unique ID of mail, (from Message-ID header or generated
- * as "notmuch-sha1-<sha1_sum_of_entire_file>.
+ * id: Unique ID of mail. This is from the Message-ID header
+ * if present and not too long (see NOTMUCH_MESSAGE_ID_MAX).
+ * If it's present and too long, then we use
+ * "notmuch-sha1-<sha1_sum_of_message_id>".
+ * If this header is not present, we use
+ * "notmuch-sha1-<sha1_sum_of_entire_file>".
*
* thread: The ID of the thread to which the mail belongs
*
*
* thread_id_* A pre-allocated thread ID for a particular
* message. This is actually an arbitarily large
- * family of metadata name. Any particular name
- * is formed by concatenating "thread_id_" with a
- * message ID. The value stored is a thread ID.
+ * family of metadata name. Any particular name is
+ * formed by concatenating "thread_id_" with a message
+ * ID (or the SHA1 sum of a message ID if it is very
+ * long---see description of 'id' in the mail
+ * document). The value stored is a thread ID.
*
* These thread ID metadata values are stored
* whenever a message references a parent message
* nearly universal to all mail messages).
*/
-prefix_t BOOLEAN_PREFIX_INTERNAL[] = {
+static prefix_t BOOLEAN_PREFIX_INTERNAL[] = {
{ "type", "T" },
{ "reference", "XREFERENCE" },
{ "replyto", "XREPLYTO" },
{ "directory-direntry", "XDDIRENTRY" },
};
-prefix_t BOOLEAN_PREFIX_EXTERNAL[] = {
+static prefix_t BOOLEAN_PREFIX_EXTERNAL[] = {
{ "thread", "G" },
{ "tag", "K" },
{ "is", "K" },
{ "id", "Q" }
};
-prefix_t PROBABILISTIC_PREFIX[]= {
+static prefix_t PROBABILISTIC_PREFIX[]= {
{ "from", "XFROM" },
{ "to", "XTO" },
{ "attachment", "XATTACHMENT" },
return notmuch->xapian_db->get_document (doc_id);
}
+/* Generate a compressed version of 'message_id' of the form:
+ *
+ * notmuch-sha1-<sha1_sum_of_message_id>
+ */
+static char *
+_message_id_compressed (void *ctx, const char *message_id)
+{
+ char *sha1, *compressed;
+
+ sha1 = notmuch_sha1_of_string (message_id);
+
+ compressed = talloc_asprintf (ctx, "notmuch-sha1-%s", sha1);
+ free (sha1);
+
+ return compressed;
+}
+
notmuch_message_t *
notmuch_database_find_message (notmuch_database_t *notmuch,
const char *message_id)
notmuch_private_status_t status;
unsigned int doc_id;
+ if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
+ message_id = _message_id_compressed (notmuch, message_id);
+
try {
status = _notmuch_database_find_unique_doc_id (notmuch, "id",
message_id, &doc_id);
}
}
+ notmuch->last_doc_id = notmuch->xapian_db->get_lastdocid ();
last_thread_id = notmuch->xapian_db->get_metadata ("last_thread_id");
if (last_thread_id.empty ()) {
notmuch->last_thread_id = 0;
notmuch = NULL;
}
+ notmuch_database_set_maildir_sync (notmuch, FALSE);
+
DONE:
if (notmuch_path)
free (notmuch_path);
talloc_free (notmuch);
}
+void
+notmuch_database_set_maildir_sync (notmuch_database_t *database,
+ notmuch_bool_t maildir_sync)
+{
+ database->maildir_sync = maildir_sync;
+}
+
const char *
notmuch_database_get_path (notmuch_database_t *notmuch)
{
}
}
+/* Allocate a document ID that satisfies the following criteria:
+ *
+ * 1. The ID does not exist for any document in the Xapian database
+ *
+ * 2. The ID was not previously returned from this function
+ *
+ * 3. The ID is the smallest integer satisfying (1) and (2)
+ *
+ * This function will trigger an internal error if these constraints
+ * cannot all be satisfied, (that is, the pool of available document
+ * IDs has been exhausted).
+ */
+unsigned int
+_notmuch_database_generate_doc_id (notmuch_database_t *notmuch)
+{
+ assert (notmuch->last_doc_id >= notmuch->xapian_db->get_lastdocid ());
+
+ notmuch->last_doc_id++;
+
+ if (notmuch->last_doc_id == 0)
+ INTERNAL_ERROR ("Xapian document IDs are exhausted.\n");
+
+ return notmuch->last_doc_id;
+}
+
static const char *
_notmuch_database_generate_thread_id (notmuch_database_t *notmuch)
{
static char *
_get_metadata_thread_id_key (void *ctx, const char *message_id)
{
- return talloc_asprintf (ctx, "thread_id_%s", message_id);
+ if (strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX)
+ message_id = _message_id_compressed (ctx, message_id);
+
+ return talloc_asprintf (ctx, NOTMUCH_METADATA_THREAD_ID_PREFIX "%s",
+ message_id);
}
/* Find the thread ID to which the message with 'message_id' belongs.
talloc_free (metadata_key);
- return thread_id;
+ return talloc_strdup (ctx, thread_id);
}
static notmuch_status_t
if (message_id == NULL)
message_id = talloc_strdup (message_file, header);
- /* Reject a Message ID that's too long. */
- if (message_id && strlen (message_id) + 1 > NOTMUCH_TERM_MAX) {
+ /* If a message ID is too long, substitute its sha1 instead. */
+ if (message_id && strlen (message_id) > NOTMUCH_MESSAGE_ID_MAX) {
+ char *compressed = _message_id_compressed (message_file,
+ message_id);
talloc_free (message_id);
- message_id = NULL;
+ message_id = compressed;
}
}
_notmuch_message_add_filename (message, filename);
+ /* This is a new message or it has a new filename and as such,
+ * its tags in database either do not exists or might be out
+ * of date. We assign the tags later in notmuch new, but until
+ * then we should not synchronize the tags back to the maildir
+ * flags (if notmuch is configured to do so). */
+ notmuch_message_set_flag(message, NOTMUCH_MESSAGE_FLAG_TAGS_INVALID, TRUE);
+
/* Is this a newly created message object? */
if (private_status == NOTMUCH_PRIVATE_STATUS_NO_DOCUMENT_FOUND) {
_notmuch_message_add_term (message, "type", "mail");
DONE:
if (message) {
- if (ret == NOTMUCH_STATUS_SUCCESS && message_ret)
+ if ((ret == NOTMUCH_STATUS_SUCCESS ||
+ ret == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) && message_ret)
*message_ret = message;
else
notmuch_message_destroy (message);
projects / notmuch / blobdiff