Attachment 930535 Details for Bug 1108522 – votequorum: Return current ring id in callback

[patch] votequorum: Return current ring id in callback

tmp.eQdcz1iABQ (text/plain), 6.46 KB, created by Jan Friesse on 2014-08-25 14:43:31 UTC

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Creator: Jan Friesse

Created: 2014-08-25 14:43:31 UTC

Size: 6.46 KB

patch

obsolete

>From 5f6f68805c48f8f72f66f7fff9abc44b4c65df1e Mon Sep 17 00:00:00 2001
>From: Jan Friesse <jfriesse@redhat.com>
>Date: Tue, 29 Jul 2014 16:39:10 +0200
>Subject: [PATCH] votequorum: Return current ring id in callback
>
>Returning ring id will be used in poll function.
>
>Signed-off-by: Jan Friesse <jfriesse@redhat.com>
>Reviewed-by: Christine Caulfield <ccaulfie@redhat.com>
>---
> cts/agents/votequorum_test_agent.c |    1 +
> exec/votequorum.c                  |    3 +++
> include/corosync/ipc_votequorum.h  |   14 ++++++++++++++
> include/corosync/votequorum.h      |    6 ++++++
> lib/votequorum.c                   |    3 +++
> man/votequorum_initialize.3.in     |    5 +++++
> test/testvotequorum1.c             |    3 +++
> 7 files changed, 35 insertions(+), 0 deletions(-)
>
>diff --git a/cts/agents/votequorum_test_agent.c b/cts/agents/votequorum_test_agent.c
>index e460f25..c61a4af 100644
>--- a/cts/agents/votequorum_test_agent.c
>+++ b/cts/agents/votequorum_test_agent.c
>@@ -61,6 +61,7 @@ static void votequorum_notification_fn(
> 	votequorum_handle_t handle,
> 	uint64_t context,
> 	uint32_t quorate,
>+	votequorum_ring_id_t ring_id,
> 	uint32_t node_list_entries,
> 	votequorum_node_t node_list[])
> {
>diff --git a/exec/votequorum.c b/exec/votequorum.c
>index d365147..54b6fbe 100644
>--- a/exec/votequorum.c
>+++ b/exec/votequorum.c
>@@ -49,6 +49,7 @@
> #include <corosync/logsys.h>
> #include <corosync/coroapi.h>
> #include <corosync/icmap.h>
>+#include <corosync/votequorum.h>
> #include <corosync/ipc_votequorum.h>
> 
> #include "service.h"
>@@ -1677,6 +1678,8 @@ static int votequorum_exec_send_quorum_notification(void *conn, uint64_t context
> 	res_lib_votequorum_notification = (struct res_lib_votequorum_notification *)&buf;
> 	res_lib_votequorum_notification->quorate = cluster_is_quorate;
> 	res_lib_votequorum_notification->node_list_entries = cluster_members;
>+	res_lib_votequorum_notification->ring_id.nodeid = quorum_ringid.rep.nodeid;
>+	res_lib_votequorum_notification->ring_id.seq = quorum_ringid.seq;
> 	res_lib_votequorum_notification->context = context;
> 	list_iterate(tmp, &cluster_members_list) {
> 		node = list_entry(tmp, struct cluster_node, list);
>diff --git a/include/corosync/ipc_votequorum.h b/include/corosync/ipc_votequorum.h
>index c7bb3ed..0fdcd8b 100644
>--- a/include/corosync/ipc_votequorum.h
>+++ b/include/corosync/ipc_votequorum.h
>@@ -61,6 +61,11 @@ enum res_votequorum_types {
> 	MESSAGE_RES_VOTEQUORUM_EXPECTEDVOTES_NOTIFICATION
> };
> 
>+struct mar_votequorum_ring_id {
>+	mar_uint32_t nodeid;
>+	mar_uint64_t seq;
>+};
>+
> struct req_lib_votequorum_qdevice_register {
> 	struct qb_ipc_request_header header __attribute__((aligned(8)));
> 	char name[VOTEQUORUM_QDEVICE_MAX_NAME_LEN];
>@@ -157,6 +162,7 @@ struct res_lib_votequorum_notification {
> 	struct qb_ipc_response_header header __attribute__((aligned(8)));
> 	mar_uint32_t quorate __attribute__((aligned(8)));
> 	mar_uint64_t context __attribute__((aligned(8)));
>+	struct mar_votequorum_ring_id ring_id __attribute__((aligned(8)));
> 	mar_uint32_t node_list_entries __attribute__((aligned(8)));
> 	struct votequorum_node node_list[] __attribute__((aligned(8)));
> };
>@@ -167,4 +173,12 @@ struct res_lib_votequorum_expectedvotes_notification {
> 	mar_uint32_t expected_votes __attribute__((aligned(8)));
> };
> 
>+static inline void marshall_from_mar_votequorum_ring_id (
>+	votequorum_ring_id_t *dest,
>+	const struct mar_votequorum_ring_id *src)
>+{
>+	dest->nodeid = src->nodeid;
>+	dest->seq = src->seq;
>+};
>+
> #endif
>diff --git a/include/corosync/votequorum.h b/include/corosync/votequorum.h
>index c85f281..bba964b 100644
>--- a/include/corosync/votequorum.h
>+++ b/include/corosync/votequorum.h
>@@ -81,10 +81,16 @@ typedef struct {
> 	uint32_t state;
> } votequorum_node_t;
> 
>+typedef struct {
>+	uint32_t nodeid;
>+	uint64_t seq;
>+} votequorum_ring_id_t;
>+
> typedef void (*votequorum_notification_fn_t) (
> 	votequorum_handle_t handle,
> 	uint64_t context,
> 	uint32_t quorate,
>+	votequorum_ring_id_t ring_id,
> 	uint32_t node_list_entries,
> 	votequorum_node_t node_list[]);
> 
>diff --git a/lib/votequorum.c b/lib/votequorum.c
>index 56ac517..20843cf 100644
>--- a/lib/votequorum.c
>+++ b/lib/votequorum.c
>@@ -438,6 +438,7 @@ cs_error_t votequorum_dispatch (
> 	struct res_lib_votequorum_notification *res_lib_votequorum_notification;
> 	struct res_lib_votequorum_expectedvotes_notification *res_lib_votequorum_expectedvotes_notification;
> 	char dispatch_buf[IPC_DISPATCH_SIZE];
>+	votequorum_ring_id_t ring_id;
> 
> 	if (dispatch_types != CS_DISPATCH_ONE &&
> 		dispatch_types != CS_DISPATCH_ALL &&
>@@ -507,10 +508,12 @@ cs_error_t votequorum_dispatch (
> 				break;
> 			}
> 			res_lib_votequorum_notification = (struct res_lib_votequorum_notification *)dispatch_data;
>+			marshall_from_mar_votequorum_ring_id (&ring_id, &res_lib_votequorum_notification->ring_id);
> 
> 			callbacks.votequorum_notify_fn ( handle,
> 							 res_lib_votequorum_notification->context,
> 							 res_lib_votequorum_notification->quorate,
>+							 ring_id,
> 							 res_lib_votequorum_notification->node_list_entries,
> 							 (votequorum_node_t *)res_lib_votequorum_notification->node_list );
> 				;
>diff --git a/man/votequorum_initialize.3.in b/man/votequorum_initialize.3.in
>index 64b78de..ee966a8 100644
>--- a/man/votequorum_initialize.3.in
>+++ b/man/votequorum_initialize.3.in
>@@ -64,6 +64,11 @@ typedef void (*votequorum_notification_fn_t) (
> 	);
> 
> .fi
>+
>+Current ring_id (one get in votequorum_notification_fn) must be passed to
>+.B votequorum_qdevice_poll
>+to make qdevice voting valid.
>+
> .PP
> Every time the expected votes are changed, the callback is called.
> The expected votes callback function is described by the following type definitions:
>diff --git a/test/testvotequorum1.c b/test/testvotequorum1.c
>index 0e443c3..87547ae 100644
>--- a/test/testvotequorum1.c
>+++ b/test/testvotequorum1.c
>@@ -35,6 +35,7 @@
> #include <config.h>
> 
> #include <sys/types.h>
>+#include <inttypes.h>
> #include <stdio.h>
> #include <string.h>
> #include <stdint.h>
>@@ -79,6 +80,7 @@ static void votequorum_notification_fn(
> 	votequorum_handle_t handle,
> 	uint64_t context,
> 	uint32_t quorate,
>+	votequorum_ring_id_t ring_id,
> 	uint32_t node_list_entries,
> 	votequorum_node_t node_list[]
> 	)
>@@ -88,6 +90,7 @@ static void votequorum_notification_fn(
> 	printf("votequorum notification called \n");
> 	printf("  quorate         = %d\n", quorate);
> 	printf("  number of nodes = %d\n", node_list_entries);
>+	printf("  current ringid  = (%u.%"PRIu64")\n", ring_id.nodeid, ring_id.seq);
> 
> 	for (i = 0; i< node_list_entries; i++) {
> 		printf("      %d: %s\n", node_list[i].nodeid, node_state(node_list[i].state));
>-- 
>1.7.1
>

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