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diff --git a/cib/notify.c b/cib/notify.c
index 5b79efe618..bcb06762eb 100644
--- a/cib/notify.c
+++ b/cib/notify.c
@@ -1,345 +1,376 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <time.h>
#include <crm/crm.h>
#include <crm/cib/internal.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <cibio.h>
#include <callbacks.h>
#include <notify.h>
#include <crm/common/ipcs.h>
int pending_updates = 0;
-gboolean cib_notify_client(gpointer key, gpointer value, gpointer user_data);
+struct cib_notification_s
+{
+ xmlNode *msg;
+ struct iovec *iov;
+};
+
void attach_cib_generation(xmlNode * msg, const char *field, xmlNode * a_cib);
void do_cib_notify(int options, const char *op, xmlNode * update,
int result, xmlNode * result_data, const char *msg_type);
static void
need_pre_notify(gpointer key, gpointer value, gpointer user_data)
{
crm_client_t *client = value;
if (is_set(client->options, cib_notify_pre)) {
gboolean *needed = user_data;
*needed = TRUE;
}
}
static void
need_post_notify(gpointer key, gpointer value, gpointer user_data)
{
crm_client_t *client = value;
if (is_set(client->options, cib_notify_post)) {
gboolean *needed = user_data;
*needed = TRUE;
}
}
-gboolean
-cib_notify_client(gpointer key, gpointer value, gpointer user_data)
+static gboolean
+cib_notify_send_one(gpointer key, gpointer value, gpointer user_data)
{
const char *type = NULL;
gboolean do_send = FALSE;
crm_client_t *client = value;
- xmlNode *update_msg = user_data;
+ struct cib_notification_s *update = user_data;
CRM_CHECK(client != NULL, return TRUE);
- CRM_CHECK(update_msg != NULL, return TRUE);
+ CRM_CHECK(update != NULL, return TRUE);
if (client->ipcs == NULL && client->remote == NULL) {
crm_warn("Skipping client with NULL channel");
return FALSE;
}
- type = crm_element_value(update_msg, F_SUBTYPE);
+ type = crm_element_value(update->msg, F_SUBTYPE);
CRM_LOG_ASSERT(type != NULL);
if (is_set(client->options, cib_notify_diff) && safe_str_eq(type, T_CIB_DIFF_NOTIFY)) {
do_send = TRUE;
} else if (is_set(client->options, cib_notify_replace) && safe_str_eq(type, T_CIB_REPLACE_NOTIFY)) {
do_send = TRUE;
} else if (is_set(client->options, cib_notify_confirm) && safe_str_eq(type, T_CIB_UPDATE_CONFIRM)) {
do_send = TRUE;
} else if (is_set(client->options, cib_notify_pre) && safe_str_eq(type, T_CIB_PRE_NOTIFY)) {
do_send = TRUE;
} else if (is_set(client->options, cib_notify_post) && safe_str_eq(type, T_CIB_POST_NOTIFY)) {
do_send = TRUE;
}
if (do_send) {
switch(client->kind) {
case CRM_CLIENT_IPC:
- if(crm_ipcs_send(client, 0, update_msg, TRUE) == FALSE) {
+ if(crm_ipcs_sendv(client, update->iov, crm_ipc_server_event) < 0) {
crm_warn("Notification of client %s/%s failed", client->name, client->id);
}
break;
case CRM_CLIENT_TLS:
case CRM_CLIENT_TCP:
crm_debug("Sent %s notification to client %s/%s", type, client->name, client->id);
- crm_remote_send(client->remote, update_msg);
+ crm_remote_send(client->remote, update->msg);
break;
default:
crm_err("Unknown transport %d for %s", client->kind, client->name);
}
}
return FALSE;
}
+static void cib_notify_send(xmlNode *xml)
+{
+ struct iovec *iov;
+ struct cib_notification_s update;
+
+ ssize_t rc = crm_ipcs_prepare(0, xml, &iov);
+
+ crm_trace("Notifying clients");
+
+ if(rc > 0) {
+ update.msg = xml;
+ update.iov = iov;
+ g_hash_table_foreach_remove(client_connections, cib_notify_send_one, &update);
+
+ } else {
+ crm_notice("Notification failed: %s (%d)", pcmk_strerror(rc), rc);
+ }
+
+ if(iov) {
+ free(iov[0].iov_base);
+ free(iov[1].iov_base);
+ free(iov);
+ }
+
+ crm_trace("Notify complete");
+}
+
void
cib_pre_notify(int options, const char *op, xmlNode * existing, xmlNode * update)
{
xmlNode *update_msg = NULL;
const char *type = NULL;
const char *id = NULL;
gboolean needed = FALSE;
g_hash_table_foreach(client_connections, need_pre_notify, &needed);
if (needed == FALSE) {
return;
}
/* TODO: consider pre-notification for removal */
update_msg = create_xml_node(NULL, "pre-notify");
if (update != NULL) {
id = crm_element_value(update, XML_ATTR_ID);
}
crm_xml_add(update_msg, F_TYPE, T_CIB_NOTIFY);
crm_xml_add(update_msg, F_SUBTYPE, T_CIB_PRE_NOTIFY);
crm_xml_add(update_msg, F_CIB_OPERATION, op);
if (id != NULL) {
crm_xml_add(update_msg, F_CIB_OBJID, id);
}
if (update != NULL) {
crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(update));
} else if (existing != NULL) {
crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(existing));
}
type = crm_element_value(update_msg, F_CIB_OBJTYPE);
attach_cib_generation(update_msg, "cib_generation", the_cib);
if (existing != NULL) {
add_message_xml(update_msg, F_CIB_EXISTING, existing);
}
if (update != NULL) {
add_message_xml(update_msg, F_CIB_UPDATE, update);
}
- g_hash_table_foreach_remove(client_connections, cib_notify_client, update_msg);
+ cib_notify_send(update_msg);
if (update == NULL) {
crm_trace("Performing operation %s (on section=%s)", op, type);
} else {
crm_trace("Performing %s on <%s%s%s>", op, type, id ? " id=" : "", id ? id : "");
}
free_xml(update_msg);
}
void
cib_post_notify(int options, const char *op, xmlNode * update,
int result, xmlNode * new_obj)
{
gboolean needed = FALSE;
g_hash_table_foreach(client_connections, need_post_notify, &needed);
if (needed == FALSE) {
return;
}
do_cib_notify(options, op, update, result, new_obj, T_CIB_UPDATE_CONFIRM);
}
void
cib_diff_notify(int options, const char *client, const char *call_id, const char *op,
xmlNode * update, int result, xmlNode * diff)
{
int add_updates = 0;
int add_epoch = 0;
int add_admin_epoch = 0;
int del_updates = 0;
int del_epoch = 0;
int del_admin_epoch = 0;
int log_level = LOG_DEBUG_2;
if (diff == NULL) {
return;
}
if (result != pcmk_ok) {
log_level = LOG_WARNING;
}
cib_diff_version_details(diff, &add_admin_epoch, &add_epoch, &add_updates,
&del_admin_epoch, &del_epoch, &del_updates);
if (add_updates != del_updates) {
do_crm_log(log_level,
"Update (client: %s%s%s): %d.%d.%d -> %d.%d.%d (%s)",
client, call_id ? ", call:" : "", call_id ? call_id : "",
del_admin_epoch, del_epoch, del_updates,
add_admin_epoch, add_epoch, add_updates, pcmk_strerror(result));
} else if (diff != NULL) {
do_crm_log(log_level,
"Local-only Change (client:%s%s%s): %d.%d.%d (%s)",
client, call_id ? ", call: " : "", call_id ? call_id : "",
add_admin_epoch, add_epoch, add_updates, pcmk_strerror(result));
}
do_cib_notify(options, op, update, result, diff, T_CIB_DIFF_NOTIFY);
}
void
do_cib_notify(int options, const char *op, xmlNode * update,
int result, xmlNode * result_data, const char *msg_type)
{
xmlNode *update_msg = NULL;
const char *id = NULL;
update_msg = create_xml_node(NULL, "notify");
if (result_data != NULL) {
id = crm_element_value(result_data, XML_ATTR_ID);
}
crm_xml_add(update_msg, F_TYPE, T_CIB_NOTIFY);
crm_xml_add(update_msg, F_SUBTYPE, msg_type);
crm_xml_add(update_msg, F_CIB_OPERATION, op);
crm_xml_add_int(update_msg, F_CIB_RC, result);
if (id != NULL) {
crm_xml_add(update_msg, F_CIB_OBJID, id);
}
if (update != NULL) {
crm_trace("Setting type to update->name: %s", crm_element_name(update));
crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(update));
} else if (result_data != NULL) {
crm_trace("Setting type to new_obj->name: %s", crm_element_name(result_data));
crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(result_data));
} else {
crm_trace("Not Setting type");
}
attach_cib_generation(update_msg, "cib_generation", the_cib);
if (update != NULL) {
add_message_xml(update_msg, F_CIB_UPDATE, update);
}
if (result_data != NULL) {
add_message_xml(update_msg, F_CIB_UPDATE_RESULT, result_data);
}
- crm_trace("Notifying clients");
- g_hash_table_foreach_remove(client_connections, cib_notify_client, update_msg);
+ cib_notify_send(update_msg);
free_xml(update_msg);
- crm_trace("Notify complete");
}
+
void
attach_cib_generation(xmlNode * msg, const char *field, xmlNode * a_cib)
{
xmlNode *generation = create_xml_node(NULL, XML_CIB_TAG_GENERATION_TUPPLE);
if (a_cib != NULL) {
copy_in_properties(generation, a_cib);
}
add_message_xml(msg, field, generation);
free_xml(generation);
}
void
cib_replace_notify(const char *origin, xmlNode * update, int result, xmlNode * diff)
{
xmlNode *replace_msg = NULL;
int add_updates = 0;
int add_epoch = 0;
int add_admin_epoch = 0;
int del_updates = 0;
int del_epoch = 0;
int del_admin_epoch = 0;
if (diff == NULL) {
return;
}
cib_diff_version_details(diff, &add_admin_epoch, &add_epoch, &add_updates,
&del_admin_epoch, &del_epoch, &del_updates);
if(del_updates < 0) {
crm_log_xml_debug(diff, "Bad replace diff");
}
if (add_updates != del_updates) {
crm_info("Replaced: %d.%d.%d -> %d.%d.%d from %s",
del_admin_epoch, del_epoch, del_updates,
add_admin_epoch, add_epoch, add_updates, crm_str(origin));
} else if (diff != NULL) {
crm_info("Local-only Replace: %d.%d.%d from %s",
add_admin_epoch, add_epoch, add_updates, crm_str(origin));
}
replace_msg = create_xml_node(NULL, "notify-replace");
crm_xml_add(replace_msg, F_TYPE, T_CIB_NOTIFY);
crm_xml_add(replace_msg, F_SUBTYPE, T_CIB_REPLACE_NOTIFY);
crm_xml_add(replace_msg, F_CIB_OPERATION, CIB_OP_REPLACE);
crm_xml_add_int(replace_msg, F_CIB_RC, result);
attach_cib_generation(replace_msg, "cib-replace-generation", update);
crm_log_xml_trace(replace_msg, "CIB Replaced");
- g_hash_table_foreach_remove(client_connections, cib_notify_client, replace_msg);
+ cib_notify_send(replace_msg);
free_xml(replace_msg);
}

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