From: Phil Carmody <phil@dovecot.fi>
Date: Tue, 20 Jan 2015 23:52:59 +0000 (+0200)
Subject: plugins/fts: expunge-log - query function to lookup GUID/UID
X-Git-Tag: 2.2.16.rc1~111
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5433d56d338db3948bf7bc22ef1daaba147dbb5d;p=thirdparty%2Fdovecot%2Fcore.git

plugins/fts: expunge-log - query function to lookup GUID/UID
Constant time hash lookup for GUID. Log time lookup in seq_range array.

Signed-off-by: Phil Carmody <phil@dovecot.fi>
---

diff --git a/src/plugins/fts/fts-expunge-log.c b/src/plugins/fts/fts-expunge-log.c
index 02b60312cc..f099ccce0f 100644
--- a/src/plugins/fts/fts-expunge-log.c
+++ b/src/plugins/fts/fts-expunge-log.c
@@ -532,3 +532,14 @@ int fts_expunge_log_flatten(const char *path,
 
 	return ret;
 }
+bool fts_expunge_log_contains(const struct fts_expunge_log_append_ctx *ctx,
+			      const guid_128_t mailbox_guid, uint32_t uid)
+{
+	const struct fts_expunge_log_mailbox *mailbox;
+	const uint8_t *guid_p = mailbox_guid;
+
+	mailbox = hash_table_lookup(ctx->mailboxes, guid_p);
+	if (mailbox == NULL)
+		return FALSE;
+	return seq_range_exists(&mailbox->uids, uid);	
+}
diff --git a/src/plugins/fts/fts-expunge-log.h b/src/plugins/fts/fts-expunge-log.h
index 2240202615..0b4647fb74 100644
--- a/src/plugins/fts/fts-expunge-log.h
+++ b/src/plugins/fts/fts-expunge-log.h
@@ -41,4 +41,7 @@ int fts_expunge_log_read_end(struct fts_expunge_log_read_ctx **ctx);
    The struct it returns cannot be written, as it has no backing store */
 int fts_expunge_log_flatten(const char *path,
 			    struct fts_expunge_log_append_ctx **flattened_r);
+bool fts_expunge_log_contains(const struct fts_expunge_log_append_ctx *ctx,
+			      const guid_128_t mailbox_guid, uint32_t uid);
+
 #endif