Page Menu
Home
ClusterLabs Projects
Search
Configure Global Search
Log In
Files
F2825465
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Flag For Later
Award Token
Size
26 KB
Referenced Files
None
Subscribers
None
View Options
diff --git a/attrd/legacy.c b/attrd/legacy.c
index 592fb0d0c1..ed8ee78fc6 100644
--- a/attrd/legacy.c
+++ b/attrd/legacy.c
@@ -1,910 +1,901 @@
/*
* 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 <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <crm/crm.h>
#include <crm/cib/internal.h>
#include <crm/msg_xml.h>
#include <crm/common/ipc.h>
#include <crm/common/ipcs.h>
#include <crm/cluster/internal.h>
#include <crm/common/mainloop.h>
#include <crm/common/xml.h>
#include <crm/attrd.h>
#define OPTARGS "hV"
#if SUPPORT_HEARTBEAT
ll_cluster_t *attrd_cluster_conn;
#endif
GMainLoop *mainloop = NULL;
char *attrd_uname = NULL;
char *attrd_uuid = NULL;
gboolean need_shutdown = FALSE;
GHashTable *attr_hash = NULL;
cib_t *cib_conn = NULL;
typedef struct attr_hash_entry_s {
char *uuid;
char *id;
char *set;
char *section;
char *value;
char *stored_value;
int timeout;
char *dampen;
guint timer_id;
char *user;
} attr_hash_entry_t;
void attrd_local_callback(xmlNode * msg);
gboolean attrd_timer_callback(void *user_data);
gboolean attrd_trigger_update(attr_hash_entry_t * hash_entry);
void attrd_perform_update(attr_hash_entry_t * hash_entry);
static void
free_hash_entry(gpointer data)
{
attr_hash_entry_t *entry = data;
if (entry == NULL) {
return;
}
free(entry->id);
free(entry->set);
free(entry->dampen);
free(entry->section);
free(entry->uuid);
free(entry->value);
free(entry->stored_value);
free(entry->user);
free(entry);
}
static int32_t
attrd_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid)
{
crm_trace("Connection %p", c);
if (need_shutdown) {
crm_info("Ignoring new client [%d] during shutdown", crm_ipcs_client_pid(c));
return -EPERM;
}
if (crm_client_new(c, uid, gid) == NULL) {
return -EIO;
}
return 0;
}
static void
attrd_ipc_created(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
}
/* Exit code means? */
static int32_t
attrd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
uint32_t id = 0;
uint32_t flags = 0;
crm_client_t *client = crm_client_get(c);
xmlNode *msg = crm_ipcs_recv(client, data, size, &id, &flags);
crm_ipcs_send_ack(client, id, flags, "ack", __FUNCTION__, __LINE__);
if (msg == NULL) {
crm_debug("No msg from %d (%p)", crm_ipcs_client_pid(c), c);
return 0;
}
#if ENABLE_ACL
CRM_ASSERT(client->user != NULL);
crm_acl_get_set_user(msg, F_ATTRD_USER, client->user);
#endif
crm_trace("Processing msg from %d (%p)", crm_ipcs_client_pid(c), c);
crm_log_xml_trace(msg, __FUNCTION__);
attrd_local_callback(msg);
free_xml(msg);
return 0;
}
/* Error code means? */
static int32_t
attrd_ipc_closed(qb_ipcs_connection_t * c)
{
crm_client_t *client = crm_client_get(c);
if (client == NULL) {
return 0;
}
crm_trace("Connection %p", c);
crm_client_destroy(client);
return 0;
}
static void
attrd_ipc_destroy(qb_ipcs_connection_t * c)
{
crm_trace("Connection %p", c);
attrd_ipc_closed(c);
}
struct qb_ipcs_service_handlers ipc_callbacks = {
.connection_accept = attrd_ipc_accept,
.connection_created = attrd_ipc_created,
.msg_process = attrd_ipc_dispatch,
.connection_closed = attrd_ipc_closed,
.connection_destroyed = attrd_ipc_destroy
};
static void
attrd_shutdown(int nsig)
{
need_shutdown = TRUE;
crm_info("Exiting");
if (mainloop != NULL && g_main_is_running(mainloop)) {
g_main_quit(mainloop);
} else {
crm_exit(pcmk_ok);
}
}
static void
usage(const char *cmd, int exit_status)
{
FILE *stream;
stream = exit_status ? stderr : stdout;
fprintf(stream, "usage: %s [-srkh] [-c configure file]\n", cmd);
/* fprintf(stream, "\t-d\tsets debug level\n"); */
/* fprintf(stream, "\t-s\tgets daemon status\n"); */
/* fprintf(stream, "\t-r\trestarts daemon\n"); */
/* fprintf(stream, "\t-k\tstops daemon\n"); */
/* fprintf(stream, "\t-h\thelp message\n"); */
fflush(stream);
crm_exit(exit_status);
}
static void
stop_attrd_timer(attr_hash_entry_t * hash_entry)
{
if (hash_entry != NULL && hash_entry->timer_id != 0) {
crm_trace("Stopping %s timer", hash_entry->id);
g_source_remove(hash_entry->timer_id);
hash_entry->timer_id = 0;
}
}
static void
log_hash_entry(int level, attr_hash_entry_t * entry, const char *text)
{
do_crm_log(level, "%s: Set: %s, Name: %s, Value: %s, Timeout: %s",
text, entry->section, entry->id, entry->value, entry->dampen);
}
static attr_hash_entry_t *
find_hash_entry(xmlNode * msg)
{
const char *value = NULL;
const char *attr = crm_element_value(msg, F_ATTRD_ATTRIBUTE);
attr_hash_entry_t *hash_entry = NULL;
if (attr == NULL) {
crm_info("Ignoring message with no attribute name");
return NULL;
}
hash_entry = g_hash_table_lookup(attr_hash, attr);
if (hash_entry == NULL) {
/* create one and add it */
crm_info("Creating hash entry for %s", attr);
hash_entry = calloc(1, sizeof(attr_hash_entry_t));
hash_entry->id = strdup(attr);
g_hash_table_insert(attr_hash, hash_entry->id, hash_entry);
hash_entry = g_hash_table_lookup(attr_hash, attr);
CRM_CHECK(hash_entry != NULL, return NULL);
}
value = crm_element_value(msg, F_ATTRD_SET);
if (value != NULL) {
free(hash_entry->set);
hash_entry->set = strdup(value);
crm_debug("\t%s->set: %s", attr, value);
}
value = crm_element_value(msg, F_ATTRD_SECTION);
if (value == NULL) {
value = XML_CIB_TAG_STATUS;
}
free(hash_entry->section);
hash_entry->section = strdup(value);
crm_trace("\t%s->section: %s", attr, value);
value = crm_element_value(msg, F_ATTRD_DAMPEN);
if (value != NULL) {
free(hash_entry->dampen);
hash_entry->dampen = strdup(value);
hash_entry->timeout = crm_get_msec(value);
crm_trace("\t%s->timeout: %s", attr, value);
}
#if ENABLE_ACL
free(hash_entry->user);
hash_entry->user = NULL;
value = crm_element_value(msg, F_ATTRD_USER);
if (value != NULL) {
hash_entry->user = strdup(value);
crm_trace("\t%s->user: %s", attr, value);
}
#endif
log_hash_entry(LOG_DEBUG_2, hash_entry, "Found (and updated) entry:");
return hash_entry;
}
+static void
+process_xml_request(xmlNode *xml)
+{
+ attr_hash_entry_t *hash_entry = NULL;
+ const char *from = crm_element_value(xml, F_ORIG);
+ const char *op = crm_element_value(xml, F_ATTRD_TASK);
+ const char *host = crm_element_value(xml, F_ATTRD_HOST);
+ const char *ignore = crm_element_value(xml, F_ATTRD_IGNORE_LOCALLY);
+
+ if (host && safe_str_eq(host, attrd_uname)) {
+ crm_info("Update relayed from %s", from);
+ attrd_local_callback(xml);
+
+ } else if ((ignore == NULL) || safe_str_neq(from, attrd_uname)) {
+ crm_trace("%s message from %s", op, from);
+ hash_entry = find_hash_entry(xml);
+ stop_attrd_timer(hash_entry);
+ attrd_perform_update(hash_entry);
+ }
+}
+
#if SUPPORT_HEARTBEAT
static void
attrd_ha_connection_destroy(gpointer user_data)
{
crm_trace("Invoked");
if (need_shutdown) {
/* we signed out, so this is expected */
crm_info("Heartbeat disconnection complete");
return;
}
crm_crit("Lost connection to heartbeat service!");
if (mainloop != NULL && g_main_is_running(mainloop)) {
g_main_quit(mainloop);
return;
}
crm_exit(pcmk_ok);
}
static void
attrd_ha_callback(HA_Message * msg, void *private_data)
{
- attr_hash_entry_t *hash_entry = NULL;
xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__);
- const char *from = crm_element_value(xml, F_ORIG);
- const char *op = crm_element_value(xml, F_ATTRD_TASK);
- const char *host = crm_element_value(xml, F_ATTRD_HOST);
- const char *ignore = crm_element_value(xml, F_ATTRD_IGNORE_LOCALLY);
- if (host != NULL && safe_str_eq(host, attrd_uname)) {
- crm_info("Update relayed from %s", from);
- attrd_local_callback(xml);
-
- } else if (ignore == NULL || safe_str_neq(from, attrd_uname)) {
- crm_info("%s message from %s", op, from);
- hash_entry = find_hash_entry(xml);
- stop_attrd_timer(hash_entry);
- attrd_perform_update(hash_entry);
- }
+ process_xml_request(xml);
free_xml(xml);
}
#endif
#if SUPPORT_COROSYNC
static void
attrd_cs_dispatch(cpg_handle_t handle,
const struct cpg_name *groupName,
uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len)
{
uint32_t kind = 0;
xmlNode *xml = NULL;
const char *from = NULL;
char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from);
if(data == NULL) {
return;
}
if (kind == crm_class_cluster) {
xml = string2xml(data);
if (xml == NULL) {
crm_err("Bad message received: '%.120s'", data);
}
}
if (xml != NULL) {
- attr_hash_entry_t *hash_entry = NULL;
- const char *op = crm_element_value(xml, F_ATTRD_TASK);
- const char *host = crm_element_value(xml, F_ATTRD_HOST);
- const char *ignore = crm_element_value(xml, F_ATTRD_IGNORE_LOCALLY);
-
/* crm_xml_add_int(xml, F_SEQ, wrapper->id); */
crm_xml_add(xml, F_ORIG, from);
-
- if (host != NULL && safe_str_eq(host, attrd_uname)) {
- crm_notice("Update relayed from %s", from);
- attrd_local_callback(xml);
-
- } else if (ignore == NULL || safe_str_neq(from, attrd_uname)) {
- crm_trace("%s message from %s", op, from);
- hash_entry = find_hash_entry(xml);
- stop_attrd_timer(hash_entry);
- attrd_perform_update(hash_entry);
- }
-
+ process_xml_request(xml);
free_xml(xml);
}
free(data);
}
static void
attrd_cs_destroy(gpointer unused)
{
if (need_shutdown) {
/* we signed out, so this is expected */
crm_info("Corosync disconnection complete");
return;
}
crm_crit("Lost connection to Corosync service!");
if (mainloop != NULL && g_main_is_running(mainloop)) {
g_main_quit(mainloop);
return;
}
crm_exit(EINVAL);
}
#endif
static void
attrd_cib_connection_destroy(gpointer user_data)
{
cib_t *conn = user_data;
conn->cmds->signoff(conn); /* Ensure IPC is cleaned up */
if (need_shutdown) {
crm_info("Connection to the CIB terminated...");
} else {
/* eventually this will trigger a reconnect, not a shutdown */
crm_err("Connection to the CIB terminated...");
crm_exit(ENOTCONN);
}
return;
}
static void
update_for_hash_entry(gpointer key, gpointer value, gpointer user_data)
{
attr_hash_entry_t *entry = value;
if (entry->value != NULL || entry->stored_value != NULL) {
attrd_timer_callback(value);
}
}
static void
local_update_for_hash_entry(gpointer key, gpointer value, gpointer user_data)
{
attr_hash_entry_t *entry = value;
if (entry->timer_id == 0) {
crm_trace("Performing local-only update after replace for %s", entry->id);
attrd_perform_update(entry);
/* } else {
* just let the timer expire and attrd_timer_callback() will do the right thing
*/
}
}
static void
do_cib_replaced(const char *event, xmlNode * msg)
{
crm_info("Updating all attributes after %s event", event);
g_hash_table_foreach(attr_hash, local_update_for_hash_entry, NULL);
}
static gboolean
cib_connect(void *user_data)
{
static int attempts = 1;
static int max_retry = 20;
gboolean was_err = FALSE;
static cib_t *local_conn = NULL;
if (local_conn == NULL) {
local_conn = cib_new();
}
if (was_err == FALSE) {
int rc = -ENOTCONN;
if (attempts < max_retry) {
crm_debug("CIB signon attempt %d", attempts);
rc = local_conn->cmds->signon(local_conn, T_ATTRD, cib_command);
}
if (rc != pcmk_ok && attempts > max_retry) {
crm_err("Signon to CIB failed: %s", pcmk_strerror(rc));
was_err = TRUE;
} else if (rc != pcmk_ok) {
attempts++;
return TRUE;
}
}
crm_info("Connected to the CIB after %d signon attempts", attempts);
if (was_err == FALSE) {
int rc = local_conn->cmds->set_connection_dnotify(local_conn, attrd_cib_connection_destroy);
if (rc != pcmk_ok) {
crm_err("Could not set dnotify callback");
was_err = TRUE;
}
}
if (was_err == FALSE) {
if (pcmk_ok !=
local_conn->cmds->add_notify_callback(local_conn, T_CIB_REPLACE_NOTIFY,
do_cib_replaced)) {
crm_err("Could not set CIB notification callback");
was_err = TRUE;
}
}
if (was_err) {
crm_err("Aborting startup");
crm_exit(DAEMON_RESPAWN_STOP);
}
cib_conn = local_conn;
crm_info("Sending full refresh now that we're connected to the cib");
g_hash_table_foreach(attr_hash, local_update_for_hash_entry, NULL);
return FALSE;
}
int
main(int argc, char **argv)
{
int flag = 0;
int argerr = 0;
crm_cluster_t cluster;
gboolean was_err = FALSE;
qb_ipcs_connection_t *c = NULL;
qb_ipcs_service_t *ipcs = NULL;
crm_log_init(T_ATTRD, LOG_NOTICE, TRUE, FALSE, argc, argv, FALSE);
mainloop_add_signal(SIGTERM, attrd_shutdown);
while ((flag = getopt(argc, argv, OPTARGS)) != EOF) {
switch (flag) {
case 'V':
crm_bump_log_level(argc, argv);
break;
case 'h': /* Help message */
usage(T_ATTRD, EX_OK);
break;
default:
++argerr;
break;
}
}
if (optind > argc) {
++argerr;
}
if (argerr) {
usage(T_ATTRD, EX_USAGE);
}
attr_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free_hash_entry);
crm_info("Starting up");
if (was_err == FALSE) {
#if SUPPORT_COROSYNC
if (is_openais_cluster()) {
cluster.destroy = attrd_cs_destroy;
cluster.cpg.cpg_deliver_fn = attrd_cs_dispatch;
cluster.cpg.cpg_confchg_fn = pcmk_cpg_membership;
}
#endif
#if SUPPORT_HEARTBEAT
if (is_heartbeat_cluster()) {
cluster.hb_conn = NULL;
cluster.hb_dispatch = attrd_ha_callback;
cluster.destroy = attrd_ha_connection_destroy;
}
#endif
if (FALSE == crm_cluster_connect(&cluster)) {
crm_err("HA Signon failed");
was_err = TRUE;
}
attrd_uname = cluster.uname;
attrd_uuid = cluster.uuid;
#if SUPPORT_HEARTBEAT
attrd_cluster_conn = cluster.hb_conn;
#endif
}
crm_info("Cluster connection active");
if (was_err == FALSE) {
attrd_ipc_server_init(&ipcs, &ipc_callbacks);
}
crm_info("Accepting attribute updates");
mainloop = g_main_new(FALSE);
if (0 == g_timeout_add_full(G_PRIORITY_LOW + 1, 5000, cib_connect, NULL, NULL)) {
crm_info("Adding timer failed");
was_err = TRUE;
}
if (was_err) {
crm_err("Aborting startup");
return 100;
}
crm_notice("Starting mainloop...");
g_main_run(mainloop);
crm_notice("Exiting...");
#if SUPPORT_HEARTBEAT
if (is_heartbeat_cluster()) {
attrd_cluster_conn->llc_ops->signoff(attrd_cluster_conn, TRUE);
attrd_cluster_conn->llc_ops->delete(attrd_cluster_conn);
}
#endif
c = qb_ipcs_connection_first_get(ipcs);
while (c != NULL) {
qb_ipcs_connection_t *last = c;
c = qb_ipcs_connection_next_get(ipcs, last);
/* There really shouldn't be anyone connected at this point */
crm_notice("Disconnecting client %p, pid=%d...", last, crm_ipcs_client_pid(last));
qb_ipcs_disconnect(last);
qb_ipcs_connection_unref(last);
}
qb_ipcs_destroy(ipcs);
if (cib_conn) {
cib_conn->cmds->signoff(cib_conn);
cib_delete(cib_conn);
}
g_hash_table_destroy(attr_hash);
free(attrd_uuid);
return crm_exit(pcmk_ok);
}
struct attrd_callback_s {
char *attr;
char *value;
};
/*!
* \internal
* \brief Free an attrd callback structure
*/
static void
free_attrd_callback(void *user_data)
{
struct attrd_callback_s *data = user_data;
free(data->attr);
free(data->value);
free(data);
}
static void
attrd_cib_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data)
{
attr_hash_entry_t *hash_entry = NULL;
struct attrd_callback_s *data = user_data;
if (data->value == NULL && rc == -ENXIO) {
rc = pcmk_ok;
} else if (call_id < 0) {
crm_warn("Update %s=%s failed: %s", data->attr, data->value, pcmk_strerror(call_id));
return;
}
switch (rc) {
case pcmk_ok:
crm_debug("Update %d for %s=%s passed", call_id, data->attr, data->value);
hash_entry = g_hash_table_lookup(attr_hash, data->attr);
if (hash_entry) {
free(hash_entry->stored_value);
hash_entry->stored_value = NULL;
if (data->value != NULL) {
hash_entry->stored_value = strdup(data->value);
}
}
break;
case -pcmk_err_diff_failed: /* When an attr changes while the CIB is syncing */
case -ETIME: /* When an attr changes while there is a DC election */
case -ENXIO: /* When an attr changes while the CIB is syncing a
* newer config from a node that just came up
*/
crm_warn("Update %d for %s=%s failed: %s",
call_id, data->attr, data->value, pcmk_strerror(rc));
break;
default:
crm_err("Update %d for %s=%s failed: %s",
call_id, data->attr, data->value, pcmk_strerror(rc));
}
}
void
attrd_perform_update(attr_hash_entry_t * hash_entry)
{
int rc = pcmk_ok;
struct attrd_callback_s *data = NULL;
const char *user_name = NULL;
if (hash_entry == NULL) {
return;
} else if (cib_conn == NULL) {
crm_info("Delaying operation %s=%s: cib not connected", hash_entry->id,
crm_str(hash_entry->value));
return;
}
#if ENABLE_ACL
if (hash_entry->user) {
user_name = hash_entry->user;
crm_trace("Performing request from user '%s'", hash_entry->user);
}
#endif
if (hash_entry->value == NULL) {
/* delete the attr */
rc = delete_attr_delegate(cib_conn, cib_none, hash_entry->section, attrd_uuid, NULL,
hash_entry->set, hash_entry->uuid, hash_entry->id, NULL, FALSE,
user_name);
if (rc >= 0 && hash_entry->stored_value) {
crm_notice("Sent delete %d: node=%s, attr=%s, id=%s, set=%s, section=%s",
rc, attrd_uuid, hash_entry->id,
hash_entry->uuid ? hash_entry->uuid : "<n/a>", hash_entry->set,
hash_entry->section);
} else if (rc < 0 && rc != -ENXIO) {
crm_notice
("Delete operation failed: node=%s, attr=%s, id=%s, set=%s, section=%s: %s (%d)",
attrd_uuid, hash_entry->id, hash_entry->uuid ? hash_entry->uuid : "<n/a>",
hash_entry->set, hash_entry->section, pcmk_strerror(rc), rc);
} else {
crm_trace("Sent delete %d: node=%s, attr=%s, id=%s, set=%s, section=%s",
rc, attrd_uuid, hash_entry->id,
hash_entry->uuid ? hash_entry->uuid : "<n/a>", hash_entry->set,
hash_entry->section);
}
} else {
/* send update */
rc = update_attr_delegate(cib_conn, cib_none, hash_entry->section,
attrd_uuid, NULL, hash_entry->set, hash_entry->uuid,
hash_entry->id, hash_entry->value, FALSE, user_name, NULL);
if (rc < 0) {
crm_notice("Sent update %s=%s failed: %s", hash_entry->id, hash_entry->value,
pcmk_strerror(rc));
}
if (safe_str_neq(hash_entry->value, hash_entry->stored_value) || rc < 0) {
crm_notice("Sent update %d: %s=%s", rc, hash_entry->id, hash_entry->value);
} else {
crm_trace("Sent update %d: %s=%s", rc, hash_entry->id, hash_entry->value);
}
}
data = calloc(1, sizeof(struct attrd_callback_s));
data->attr = strdup(hash_entry->id);
if (hash_entry->value != NULL) {
data->value = strdup(hash_entry->value);
}
cib_conn->cmds->register_callback_full(cib_conn, rc, 120, FALSE, data,
"attrd_cib_callback",
attrd_cib_callback,
free_attrd_callback);
return;
}
void
attrd_local_callback(xmlNode * msg)
{
static int plus_plus_len = 5;
attr_hash_entry_t *hash_entry = NULL;
const char *from = crm_element_value(msg, F_ORIG);
const char *op = crm_element_value(msg, F_ATTRD_TASK);
const char *attr = crm_element_value(msg, F_ATTRD_ATTRIBUTE);
const char *value = crm_element_value(msg, F_ATTRD_VALUE);
const char *host = crm_element_value(msg, F_ATTRD_HOST);
if (safe_str_eq(op, ATTRD_OP_REFRESH)) {
crm_notice("Sending full refresh (origin=%s)", from);
g_hash_table_foreach(attr_hash, update_for_hash_entry, NULL);
return;
} else if (safe_str_eq(op, ATTRD_OP_PEER_REMOVE)) {
/* The legacy code didn't understand this command - swallow silently */
return;
}
if (host != NULL && safe_str_neq(host, attrd_uname)) {
send_cluster_message(crm_get_peer(0, host), crm_msg_attrd, msg, FALSE);
return;
}
crm_debug("%s message from %s: %s=%s", op, from, attr, crm_str(value));
hash_entry = find_hash_entry(msg);
if (hash_entry == NULL) {
return;
}
if (hash_entry->uuid == NULL) {
const char *key = crm_element_value(msg, F_ATTRD_KEY);
if (key) {
hash_entry->uuid = strdup(key);
}
}
crm_debug("Supplied: %s, Current: %s, Stored: %s",
value, hash_entry->value, hash_entry->stored_value);
if (safe_str_eq(value, hash_entry->value)
&& safe_str_eq(value, hash_entry->stored_value)) {
crm_trace("Ignoring non-change");
return;
} else if (value) {
int offset = 1;
int int_value = 0;
int value_len = strlen(value);
if (value_len < (plus_plus_len + 2)
|| value[plus_plus_len] != '+'
|| (value[plus_plus_len + 1] != '+' && value[plus_plus_len + 1] != '=')) {
goto set_unexpanded;
}
int_value = char2score(hash_entry->value);
if (value[plus_plus_len + 1] != '+') {
const char *offset_s = value + (plus_plus_len + 2);
offset = char2score(offset_s);
}
int_value += offset;
if (int_value > INFINITY) {
int_value = INFINITY;
}
crm_info("Expanded %s=%s to %d", attr, value, int_value);
crm_xml_add_int(msg, F_ATTRD_VALUE, int_value);
value = crm_element_value(msg, F_ATTRD_VALUE);
}
set_unexpanded:
if (safe_str_eq(value, hash_entry->value) && hash_entry->timer_id) {
/* We're already waiting to set this value */
return;
}
free(hash_entry->value);
hash_entry->value = NULL;
if (value != NULL) {
hash_entry->value = strdup(value);
crm_debug("New value of %s is %s", attr, value);
}
stop_attrd_timer(hash_entry);
if (hash_entry->timeout > 0) {
hash_entry->timer_id = g_timeout_add(hash_entry->timeout, attrd_timer_callback, hash_entry);
} else {
attrd_trigger_update(hash_entry);
}
return;
}
gboolean
attrd_timer_callback(void *user_data)
{
stop_attrd_timer(user_data);
attrd_trigger_update(user_data);
return TRUE; /* Always return true, removed cleanly by stop_attrd_timer() */
}
gboolean
attrd_trigger_update(attr_hash_entry_t * hash_entry)
{
xmlNode *msg = NULL;
/* send HA message to everyone */
crm_notice("Sending flush op to all hosts for: %s (%s)",
hash_entry->id, crm_str(hash_entry->value));
log_hash_entry(LOG_DEBUG_2, hash_entry, "Sending flush op to all hosts for:");
msg = create_xml_node(NULL, __FUNCTION__);
crm_xml_add(msg, F_TYPE, T_ATTRD);
crm_xml_add(msg, F_ORIG, attrd_uname);
crm_xml_add(msg, F_ATTRD_TASK, "flush");
crm_xml_add(msg, F_ATTRD_ATTRIBUTE, hash_entry->id);
crm_xml_add(msg, F_ATTRD_SET, hash_entry->set);
crm_xml_add(msg, F_ATTRD_SECTION, hash_entry->section);
crm_xml_add(msg, F_ATTRD_DAMPEN, hash_entry->dampen);
crm_xml_add(msg, F_ATTRD_VALUE, hash_entry->value);
#if ENABLE_ACL
if (hash_entry->user) {
crm_xml_add(msg, F_ATTRD_USER, hash_entry->user);
}
#endif
if (hash_entry->timeout <= 0) {
crm_xml_add(msg, F_ATTRD_IGNORE_LOCALLY, hash_entry->value);
attrd_perform_update(hash_entry);
}
send_cluster_message(NULL, crm_msg_attrd, msg, FALSE);
free_xml(msg);
return TRUE;
}
File Metadata
Details
Attached
Mime Type
text/x-diff
Expires
Sat, Jan 25, 12:36 PM (13 h, 10 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1322588
Default Alt Text
(26 KB)
Attached To
Mode
rP Pacemaker
Attached
Detach File
Event Timeline
Log In to Comment