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GET /api/patches/807701/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 807701,
    "url": "http://patchwork.ozlabs.org/api/patches/807701/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170830163314.1411-2-blp@ovn.org/",
    "project": {
        "id": 47,
        "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api",
        "name": "Open vSwitch",
        "link_name": "openvswitch",
        "list_id": "ovs-dev.openvswitch.org",
        "list_email": "ovs-dev@openvswitch.org",
        "web_url": "http://openvswitch.org/",
        "scm_url": "git@github.com:openvswitch/ovs.git",
        "webscm_url": "https://github.com/openvswitch/ovs",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170830163314.1411-2-blp@ovn.org>",
    "list_archive_url": null,
    "date": "2017-08-30T16:33:14",
    "name": "[ovs-dev,2/2] monitor: Simplify calculation of cond->conditional.",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "b7eddfe51c1d94f45201d2d2bc0ad5b14b6eab81",
    "submitter": {
        "id": 67603,
        "url": "http://patchwork.ozlabs.org/api/people/67603/?format=api",
        "name": "Ben Pfaff",
        "email": "blp@ovn.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20170830163314.1411-2-blp@ovn.org/mbox/",
    "series": [
        {
            "id": 647,
            "url": "http://patchwork.ozlabs.org/api/series/647/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=647",
            "date": "2017-08-30T16:33:13",
            "name": "[ovs-dev,1/2] monitor: Fix bad caching of conditional monitor_cond requests.",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/647/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/807701/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/807701/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<ovs-dev-bounces@openvswitch.org>",
        "X-Original-To": [
            "incoming@patchwork.ozlabs.org",
            "dev@openvswitch.org"
        ],
        "Delivered-To": [
            "patchwork-incoming@bilbo.ozlabs.org",
            "ovs-dev@mail.linuxfoundation.org"
        ],
        "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=openvswitch.org\n\t(client-ip=140.211.169.12; helo=mail.linuxfoundation.org;\n\tenvelope-from=ovs-dev-bounces@openvswitch.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from mail.linuxfoundation.org (mail.linuxfoundation.org\n\t[140.211.169.12])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xjB0N66hZz9sNn\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 31 Aug 2017 02:33:56 +1000 (AEST)",
            "from mail.linux-foundation.org (localhost [127.0.0.1])\n\tby mail.linuxfoundation.org (Postfix) with ESMTP id 07748BE6;\n\tWed, 30 Aug 2017 16:33:28 +0000 (UTC)",
            "from smtp1.linuxfoundation.org (smtp1.linux-foundation.org\n\t[172.17.192.35])\n\tby mail.linuxfoundation.org (Postfix) with ESMTPS id 347AABE1\n\tfor <dev@openvswitch.org>; Wed, 30 Aug 2017 16:33:26 +0000 (UTC)",
            "from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net\n\t[217.70.183.197])\n\tby smtp1.linuxfoundation.org (Postfix) with ESMTPS id D347187\n\tfor <dev@openvswitch.org>; Wed, 30 Aug 2017 16:33:25 +0000 (UTC)",
            "from sigabrt.gateway.sonic.net\n\t(173-228-112-34.dsl.dynamic.fusionbroadband.com [173.228.112.34])\n\t(Authenticated sender: blp@ovn.org)\n\tby relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 0858D41C089;\n\tWed, 30 Aug 2017 18:33:22 +0200 (CEST)"
        ],
        "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6",
        "X-Originating-IP": "173.228.112.34",
        "From": "Ben Pfaff <blp@ovn.org>",
        "To": "dev@openvswitch.org",
        "Date": "Wed, 30 Aug 2017 09:33:14 -0700",
        "Message-Id": "<20170830163314.1411-2-blp@ovn.org>",
        "X-Mailer": "git-send-email 2.10.2",
        "In-Reply-To": "<20170830163314.1411-1-blp@ovn.org>",
        "References": "<20170830163314.1411-1-blp@ovn.org>",
        "X-Spam-Status": "No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW\n\tautolearn=disabled version=3.3.1",
        "X-Spam-Checker-Version": "SpamAssassin 3.3.1 (2010-03-16) on\n\tsmtp1.linux-foundation.org",
        "Cc": "Ben Pfaff <blp@ovn.org>",
        "Subject": "[ovs-dev] [PATCH 2/2] monitor: Simplify calculation of\n\tcond->conditional.",
        "X-BeenThere": "ovs-dev@openvswitch.org",
        "X-Mailman-Version": "2.1.12",
        "Precedence": "list",
        "List-Id": "<ovs-dev.openvswitch.org>",
        "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>",
        "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>",
        "List-Post": "<mailto:ovs-dev@openvswitch.org>",
        "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>",
        "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n\t<mailto:ovs-dev-request@openvswitch.org?subject=subscribe>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Sender": "ovs-dev-bounces@openvswitch.org",
        "Errors-To": "ovs-dev-bounces@openvswitch.org"
    },
    "content": "This removes n_true_cnd from struct ovsdb_monitor_session_condition.\nIt was an \"optimization\" that is not part of any inner loop, but\nmake the code harder to reason about.\n\nSigned-off-by: Ben Pfaff <blp@ovn.org>\n---\n ovsdb/monitor.c | 28 ++++++++++++----------------\n 1 file changed, 12 insertions(+), 16 deletions(-)",
    "diff": "diff --git a/ovsdb/monitor.c b/ovsdb/monitor.c\nindex 7a5c2f905560..c0f9c557ab67 100644\n--- a/ovsdb/monitor.c\n+++ b/ovsdb/monitor.c\n@@ -46,8 +46,7 @@ static struct hmap ovsdb_monitors = HMAP_INITIALIZER(&ovsdb_monitors);\n \n /* Keep state of session's conditions */\n struct ovsdb_monitor_session_condition {\n-    bool conditional;\n-    size_t n_true_cnd;\n+    bool conditional;        /* True iff every table's condition is true. */\n     struct shash tables;     /* Contains\n                               *   \"struct ovsdb_monitor_table_condition *\"s. */\n };\n@@ -583,8 +582,17 @@ static inline void\n ovsdb_monitor_session_condition_set_mode(\n                                   struct ovsdb_monitor_session_condition *cond)\n {\n-    cond->conditional = shash_count(&cond->tables) !=\n-        cond->n_true_cnd;\n+    struct shash_node *node;\n+\n+    SHASH_FOR_EACH (node, &cond->tables) {\n+        struct ovsdb_monitor_table_condition *mtc = node->data;\n+\n+        if (!ovsdb_condition_is_true(&mtc->new_condition)) {\n+            cond->conditional = true;\n+            return;\n+        }\n+    }\n+    cond->conditional = false;\n }\n \n /* Returnes an empty allocated session's condition state holder */\n@@ -649,9 +657,6 @@ ovsdb_monitor_table_condition_create(\n     shash_add(&condition->tables, table->schema->name, mtc);\n     /* On session startup old == new condition */\n     ovsdb_condition_clone(&mtc->new_condition, &mtc->old_condition);\n-    if (ovsdb_condition_is_true(&mtc->old_condition)) {\n-        condition->n_true_cnd++;\n-    }\n     ovsdb_monitor_session_condition_set_mode(condition);\n \n     return NULL;\n@@ -722,15 +727,6 @@ ovsdb_monitor_table_condition_updated(struct ovsdb_monitor_table *mt,\n         /* If conditional monitoring - set old condition to new condition */\n         if (ovsdb_condition_cmp_3way(&mtc->old_condition,\n                                      &mtc->new_condition)) {\n-            if (ovsdb_condition_is_true(&mtc->new_condition)) {\n-                if (!ovsdb_condition_is_true(&mtc->old_condition)) {\n-                    condition->n_true_cnd++;\n-                }\n-            } else {\n-                if (ovsdb_condition_is_true(&mtc->old_condition)) {\n-                    condition->n_true_cnd--;\n-                }\n-            }\n             ovsdb_condition_destroy(&mtc->old_condition);\n             ovsdb_condition_clone(&mtc->old_condition, &mtc->new_condition);\n             ovsdb_monitor_session_condition_set_mode(condition);\n",
    "prefixes": [
        "ovs-dev",
        "2/2"
    ]
}