diff --git a/fencing/commands.c b/fencing/commands.c
index 12a267b868..a8c1309114 100644
--- a/fencing/commands.c
+++ b/fencing/commands.c
@@ -1,669 +1,669 @@
/*
* Copyright (C) 2009 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/utsname.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/ipc.h>
#include <crm/common/cluster.h>
#include <crm/stonith-ng.h>
#include <crm/common/xml.h>
#include <crm/common/msg.h>
#include <internal.h>
#define FE_AGENT_FORK -2
#define FE_AGENT_ERROR -3
GHashTable *device_list = NULL;
int invoke_device(stonith_device_t *device, const char *action, const char *port, char **output);
static void append_arg(
gpointer key, gpointer value, gpointer user_data)
{
int len = 3; /* =, \n, \0 */
int last = 0;
char **args = user_data;
if(strstr(key, "pcmk-")) {
return;
}
len += strlen(key);
len += strlen(value);
if(*args != NULL) {
last = strlen(*args);
}
crm_realloc(*args, last+len);
sprintf((*args)+last, "%s=%s\n", (char *)key, (char *)value);
}
static char *make_args(GHashTable *args)
{
char *arg_list = NULL;
g_hash_table_foreach(args, append_arg, &arg_list);
crm_debug_3("Calculated: %s", arg_list);
return arg_list;
}
/* Borrowed from libfence */
static int run_agent(char *agent, GHashTable *arg_hash, int *agent_result, char **output)
{
char *args = make_args(arg_hash);
int pid, status, len, rc = -1;
int pr_fd, pw_fd; /* parent read/write file descriptors */
int cr_fd, cw_fd; /* child read/write file descriptors */
int fd1[2];
int fd2[2];
cr_fd = cw_fd = pr_fd = pw_fd = -1;
if (args == NULL || agent == NULL)
goto fail;
len = strlen(args);
if (pipe(fd1))
goto fail;
pr_fd = fd1[0];
cw_fd = fd1[1];
if (pipe(fd2))
goto fail;
cr_fd = fd2[0];
pw_fd = fd2[1];
pid = fork();
if (pid < 0) {
*agent_result = FE_AGENT_FORK;
goto fail;
}
if (pid) {
/* parent */
int ret;
fcntl(pr_fd, F_SETFL, fcntl(pr_fd, F_GETFL, 0) | O_NONBLOCK);
do {
ret = write(pw_fd, args, len);
} while (ret < 0 && errno == EINTR);
if (ret != len)
goto fail;
close(pw_fd);
/* TODO: Get the result asynchronously */
waitpid(pid, &status, 0);
if(output != NULL) {
len = 0;
do {
char buf[500];
ret = read(pr_fd, buf, 500);
if(ret > 0) {
buf[ret] = 0;
crm_realloc(*output, len + ret + 1);
sprintf((*output)+len, "%s", buf);
len += ret;
}
} while (ret == 500 || (ret < 0 && errno == EINTR));
}
*agent_result = FE_AGENT_ERROR;
if (WIFEXITED(status)) {
*agent_result = -WEXITSTATUS(status);
rc = 0;
}
} else {
/* child */
close(1);
if (dup(cw_fd) < 0)
goto fail;
close(2);
if (dup(cw_fd) < 0)
goto fail;
close(0);
if (dup(cr_fd) < 0)
goto fail;
/* keep cw_fd open so parent can report all errors. */
close(pr_fd);
close(cr_fd);
close(pw_fd);
execlp(agent, agent, NULL);
exit(EXIT_FAILURE);
}
fail:
crm_free(args);
close(pr_fd);
close(cw_fd);
close(cr_fd);
close(pw_fd);
return rc;
}
static void free_device(gpointer data)
{
stonith_device_t *device = data;
g_hash_table_destroy(device->params);
slist_destroy(char, item, device->targets, crm_free(item));
crm_free(device->namespace);
crm_free(device->agent);
crm_free(device->id);
crm_free(device);
}
static void build_port_aliases(stonith_device_t *device)
{
char *name = NULL;
char *value = NULL;
int last = 0, lpc = 0, max = 0;
const char *portmap = g_hash_table_lookup(device->params, "pcmk-portmap");
if(portmap == NULL) {
return;
}
max = strlen(portmap);
for(; lpc < max; lpc++) {
if(portmap[lpc] == 0) {
break;
} else if(isalpha(portmap[lpc])) {
/* keep going */
} else if(portmap[lpc] == '=') {
crm_malloc0(name, 1 + lpc - last);
strncpy(name, portmap + last, lpc - last);
last = lpc + 1;
} else if(name && isspace(portmap[lpc])) {
crm_malloc0(value, 1 + lpc - last);
strncpy(value, portmap + last, lpc - last);
last = lpc + 1;
crm_info("Adding alias '%s'='%s' for %s", name, value, device->id);
g_hash_table_replace(device->aliases, name, value);
value=NULL;
name=NULL;
} else if(isspace(portmap[lpc])) {
last = lpc;
}
}
}
static stonith_device_t *build_device_from_xml(xmlNode *msg)
{
xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR);
stonith_device_t *device = NULL;
crm_malloc0(device, sizeof(stonith_device_t));
device->id = crm_element_value_copy(dev, XML_ATTR_ID);
device->agent = crm_element_value_copy(dev, "agent");
device->namespace = crm_element_value_copy(dev, "namespace");
device->params = xml2list(dev);
device->aliases = g_hash_table_new_full(g_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str);
return device;
}
static int stonith_device_register(xmlNode *msg)
{
stonith_device_t *device = build_device_from_xml(msg);
build_port_aliases(device);
g_hash_table_replace(device_list, device->id, device);
crm_info("Added '%s' to the device list (%d active devices)", device->id, g_hash_table_size(device_list));
return stonith_ok;
}
static int stonith_device_remove(xmlNode *msg)
{
xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR);
const char *id = crm_element_value(dev, XML_ATTR_ID);
if(g_hash_table_remove(device_list, id)) {
crm_info("Removed '%s' from the device list (%d active devices)",
id, g_hash_table_size(device_list));
} else {
crm_info("Device '%s' not found (%d active devices)",
id, g_hash_table_size(device_list));
}
return stonith_ok;
}
static GListPtr parse_host_list(const char *hosts)
{
int lpc = 0;
int max = 0;
int last = 0;
GListPtr output = NULL;
if(hosts) {
max = strlen(hosts);
}
for(lpc = 0; lpc < max; lpc++) {
if(isspace(hosts[lpc]) || hosts[lpc] == ',') {
int rc = 0;
char *entry = NULL;
crm_malloc0(entry, 1 + lpc - last);
rc = sscanf(hosts+last, "%[a-zA-Z0-9_-]", entry);
if(rc == 1) {
crm_debug("Adding '%s'", entry);
output = g_list_append(output, entry);
entry = NULL;
}
crm_free(entry);
last = lpc + 1;
}
}
return output;
}
static gboolean string_in_list(GListPtr list, const char *item)
{
int lpc = 0;
int max = g_list_length(list);
for(lpc = 0; lpc < max; lpc ++) {
const char *value = g_list_nth_data(list, lpc);
if(safe_str_eq(item, value)) {
return TRUE;
}
}
return FALSE;
}
static const char *get_device_port(stonith_device_t *dev, const char *host)
{
time_t now;
char *alias = NULL;
if(host == NULL) {
return NULL;
}
now = time(NULL);
alias = g_hash_table_lookup(dev->aliases, host);
if(dev->targets == NULL || dev->targets_age + 300 < now) {
int rc = stonith_ok;
char *output = NULL;
slist_destroy(char, item, dev->targets, crm_free(item));
dev->targets = NULL;
rc = invoke_device(dev, "list", NULL, &output);
if(rc == 0) {
crm_info("Refreshing port list for %s", dev->id);
dev->targets = parse_host_list(output);
dev->targets_age = now;
} else {
crm_info("Disabling port list queries for %s", dev->id);
dev->targets_age = -1;
}
crm_free(output);
}
/* See if portmap is defined and look up the translated name */
if(alias && dev->targets == NULL) {
return alias;
} else if(alias && string_in_list(dev->targets, alias)) {
return alias;
} else if(dev->targets && string_in_list(dev->targets, host)) {
return host;
}
return NULL;
}
int invoke_device(stonith_device_t *device, const char *action, const char *port, char **output)
{
int rc = 0;
const char *device_port = get_device_port(device, port);
if(port && device_port) {
g_hash_table_replace(device->params, crm_strdup("port"), crm_strdup(device_port));
} else if(port) {
crm_err("Unknown or unhandled port '%s' for device '%s'", port, device->id);
return -1;
}
crm_info("Calling '%s' with action '%s'%s%s", device->id, action, port?" on port ":"", port?port:"");
g_hash_table_replace(device->params, crm_strdup("option"), crm_strdup(action));
if(run_agent(device->agent, device->params, &rc, output) < 0) {
crm_err("Operation %s on %s failed (%d): %.100s", action, device->id, rc, *output);
} else {
crm_info("Operation %s on %s passed: %.100s", action, device->id, *output);
}
g_hash_table_remove(device->params, "port");
return rc;
}
static int stonith_device_action(xmlNode *msg, char **output)
{
int rc = stonith_ok;
xmlNode *dev = get_xpath_object("//"F_STONITH_DEVICE, msg, LOG_ERR);
const char *id = crm_element_value(dev, F_STONITH_DEVICE);
const char *action = crm_element_value(dev, F_STONITH_ACTION);
const char *port = crm_element_value(dev, F_STONITH_PORT);
stonith_device_t *device = NULL;
if(id) {
crm_info("Looking for '%s'", id);
device = g_hash_table_lookup(device_list, id);
} else {
/* Check its a metadata op */
device = build_device_from_xml(msg);
}
if(device) {
rc = invoke_device(device, action, port, output);
} else {
crm_err("Device %s not found", id);
rc = 7; /* OCF return code for stopped */
}
if(id == NULL) {
free_device(device);
}
return rc;
}
struct device_search_s
{
const char *host;
GListPtr capable;
};
static void search_devices(
gpointer key, gpointer value, gpointer user_data)
{
stonith_device_t *dev = value;
struct device_search_s *search = user_data;
if(search->host == NULL || get_device_port(dev, search->host)) {
search->capable = g_list_append(search->capable, value);
}
}
static int stonith_query(xmlNode *msg, xmlNode **list)
{
struct device_search_s search;
xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, msg, LOG_ERR);
search.host = NULL;
search.capable = NULL;
if(dev) {
search.host = crm_element_value(dev, F_STONITH_TARGET);
}
crm_log_xml_info(msg, "Query");
g_hash_table_foreach(device_list, search_devices, &search);
crm_info("Found %d matching devices for '%s'", g_list_length(search.capable), search.host);
/* Pack the results into data */
if(list) {
*list = create_xml_node(NULL, __FUNCTION__);
crm_xml_add_int(*list, "st-available-devices", g_list_length(search.capable));
slist_iter(device, stonith_device_t, search.capable, lpc,
dev = create_xml_node(*list, F_STONITH_DEVICE);
crm_xml_add(dev, XML_ATTR_ID, device->id);
crm_xml_add(dev, "namespace", device->namespace);
crm_xml_add(dev, "agent", device->agent);
);
}
return g_list_length(search.capable);
}
static int stonith_fence(xmlNode *msg, const char *action)
{
struct device_search_s search;
xmlNode *dev = get_xpath_object("//@"F_STONITH_TARGET, msg, LOG_ERR);
search.capable = NULL;
search.host = crm_element_value(dev, F_STONITH_TARGET);
crm_log_xml_info(msg, "Exec");
g_hash_table_foreach(device_list, search_devices, &search);
crm_info("Found %d matching devices for '%s'", g_list_length(search.capable), search.host);
slist_iter(dev, stonith_device_t, search.capable, lpc,
int rc = 0;
char *output = NULL;
const char *port = get_device_port(dev, search.host);
CRM_CHECK(port != NULL, continue);
g_hash_table_replace(dev->params, crm_strdup("option"), crm_strdup(action));
g_hash_table_replace(dev->params, crm_strdup("port"), crm_strdup(port));
if(run_agent(dev->agent, dev->params, &rc, &output) == 0) {
crm_info("Terminated host '%s' with device '%s'", search.host, dev->id);
crm_free(output);
return stonith_ok;
} else {
crm_err("Termination of host '%s' with device '%s' failed: %s", search.host, dev->id, output);
}
crm_free(output);
);
return -1;
}
static int fencing_op(
int call_options, xmlNode *request, const char *op, gboolean is_reply, const char *remote)
{
int rc = 0;
if(is_reply) {
return process_remote_stonith_exec(request);
} else if(remote) {
rc = stonith_fence(request, op);
} else {
/* Always send to the network first */
return -1;
}
if(rc == stonith_ok) {
do_stonith_notify(call_options, op, rc, request, remote);
}
return rc;
}
xmlNode *stonith_construct_reply(xmlNode *request, char *output, xmlNode *data, int rc)
{
int lpc = 0;
xmlNode *reply = NULL;
const char *name = NULL;
const char *value = NULL;
const char *names[] = {
F_STONITH_OPERATION,
F_STONITH_CALLID,
F_STONITH_CLIENTID,
F_STONITH_REMOTE,
F_STONITH_CALLOPTS
};
crm_debug_4("Creating a basic reply");
reply = create_xml_node(NULL, T_STONITH_REPLY);
- crm_xml_add(reply, F_TYPE, T_STONITH);
+ crm_xml_add(reply, F_TYPE, T_STONITH_NG);
for(lpc = 0; lpc < DIMOF(names); lpc++) {
name = names[lpc];
value = crm_element_value(request, name);
crm_xml_add(reply, name, value);
}
crm_xml_add_int(reply, F_STONITH_RC, rc);
crm_xml_add(reply, "st_output", output);
if(data != NULL) {
crm_debug_4("Attaching reply output");
add_message_xml(reply, F_STONITH_CALLDATA, data);
}
return reply;
}
void
stonith_command(stonith_client_t *client, xmlNode *request, const char *remote)
{
int rc = stonith_ok;
int call_options = 0;
gboolean escalate = FALSE;
gboolean is_reply = FALSE;
xmlNode *reply = NULL;
xmlNode *data = NULL;
char *output = NULL;
const char *op = crm_element_value(request, F_STONITH_OPERATION);
const char *client_id = crm_element_value(request, F_STONITH_CLIENTID);
crm_element_value_int(request, F_STONITH_CALLOPTS, &call_options);
if(get_xpath_object("//"T_STONITH_REPLY, request, LOG_DEBUG_3)) {
is_reply = TRUE;
}
if(device_list == NULL) {
device_list = g_hash_table_new_full(
g_str_hash, g_str_equal, NULL, free_device);
}
crm_info("Processing %s%s from %s", op, is_reply?" reply":"",
client?client->name:remote);
if(crm_str_eq(op, CRM_OP_REGISTER, TRUE)) {
return;
} else if(crm_str_eq(op, T_STONITH_NOTIFY, TRUE)) {
const char *flag_name = NULL;
flag_name = crm_element_value(request, F_STONITH_NOTIFY_ACTIVATE);
if(flag_name) {
crm_debug("Setting %s callbacks for %s (%s): ON",
flag_name, client->name, client->id);
client->flags |= get_stonith_flag(flag_name);
}
flag_name = crm_element_value(request, F_STONITH_NOTIFY_DEACTIVATE);
if(flag_name) {
crm_debug("Setting %s callbacks for %s (%s): off",
flag_name, client->name, client->id);
client->flags |= get_stonith_flag(flag_name);
}
return;
} else if(crm_str_eq(op, STONITH_OP_DEVICE_ADD, TRUE)) {
rc = stonith_device_register(request);
do_stonith_notify(call_options, op, rc, request, NULL);
} else if(crm_str_eq(op, STONITH_OP_DEVICE_DEL, TRUE)) {
rc = stonith_device_remove(request);
do_stonith_notify(call_options, op, rc, request, NULL);
} else if(crm_str_eq(op, STONITH_OP_EXEC, TRUE)) {
rc = stonith_device_action(request, &output);
} else if(crm_str_eq(op, STONITH_OP_FENCE, TRUE)) {
rc = fencing_op(call_options, request, "off", is_reply, remote);
if(is_reply == FALSE && rc < stonith_ok && remote == NULL) {
escalate = TRUE;
}
} else if(crm_str_eq(op, STONITH_OP_REBOOT, TRUE)) {
rc = fencing_op(call_options, request, "reboot", is_reply, remote);
if(is_reply == FALSE && rc < stonith_ok && remote == NULL) {
escalate = TRUE;
}
} else if(crm_str_eq(op, STONITH_OP_UNFENCE, TRUE)) {
rc = fencing_op(call_options, request, "on", is_reply, remote);
if(is_reply == FALSE && rc < stonith_ok && remote == NULL) {
escalate = TRUE;
}
} else if(crm_str_eq(op, STONITH_OP_QUERY, TRUE)) {
if(is_reply) {
process_remote_stonith_query(request);
} else {
rc = stonith_query(request, &data);
}
}
if(escalate) {
crm_log_xml_info(request, "Escalate");
initiate_remote_stonith_op(client, request, op);
} else if(is_reply) {
} else if(remote) {
reply = stonith_construct_reply(request, output, data, rc);
send_cluster_message(remote, crm_msg_stonith_ng, reply, FALSE);
} else {
reply = stonith_construct_reply(request, output, data, rc);
do_local_reply(reply, client_id, call_options & stonith_sync_call, remote!=NULL);
free_xml(reply);
}
crm_free(output);
free_xml(data);
}
diff --git a/lib/fencing/st_client.c b/lib/fencing/st_client.c
index 9590db6100..6ac0fac8a3 100644
--- a/lib/fencing/st_client.c
+++ b/lib/fencing/st_client.c
@@ -1,1185 +1,1186 @@
/*
* Copyright (c) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <crm_internal.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <glib.h>
#include <crm/crm.h>
#include <crm/stonith-ng.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
GHashTable *stonith_op_callback_table = NULL;
typedef struct stonith_private_s
{
char *token;
IPC_Channel *command_channel;
IPC_Channel *callback_channel;
GCHSource *callback_source;
void (*op_callback)(
stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata);
} stonith_private_t;
typedef struct stonith_notify_client_s
{
const char *event;
const char *obj_id; /* implement one day */
const char *obj_type; /* implement one day */
void (*notify)(stonith_t *st, const char *event, xmlNode *msg);
} stonith_notify_client_t;
typedef struct stonith_callback_client_s
{
void (*callback)(
stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata);
const char *id;
void *user_data;
gboolean only_success;
struct timer_rec_s *timer;
} stonith_callback_client_t;
struct notify_blob_s
{
stonith_t *stonith;
xmlNode *xml;
};
struct timer_rec_s
{
int call_id;
int timeout;
guint ref;
stonith_t *stonith;
};
typedef enum stonith_errors (*stonith_op_t)(
const char *, int, const char *, xmlNode *,
xmlNode*, xmlNode*, xmlNode**, xmlNode**);
gboolean stonith_dispatch(IPC_Channel *channel, gpointer user_data);
void stonith_perform_callback(stonith_t *stonith, xmlNode *msg, int call_id, int rc);
xmlNode *stonith_create_op(
int call_id, const char *token, const char *op, xmlNode *data, int call_options);
int stonith_send_command(
stonith_t *stonith, const char *op, xmlNode *data,
xmlNode **output_data, int call_options, int timeout);
static void stonith_connection_destroy(gpointer user_data);
static void stonith_send_notification(gpointer data, gpointer user_data);
static void stonith_connection_destroy(gpointer user_data)
{
stonith_t *stonith = user_data;
struct notify_blob_s blob;
blob.stonith = stonith;
blob.xml = create_xml_node(NULL, "notify");;
stonith->state = stonith_disconnected;
crm_xml_add(blob.xml, F_TYPE, T_STONITH_NOTIFY);
crm_xml_add(blob.xml, F_SUBTYPE, T_STONITH_NOTIFY_DISCONNECT);
g_list_foreach(stonith->notify_list, stonith_send_notification, &blob);
free_xml(blob.xml);
}
static int stonith_api_register_device(
stonith_t *stonith, int call_options,
const char *id, const char *namespace, const char *agent, GHashTable *params)
{
int rc = 0;
xmlNode *data = create_xml_node(NULL, F_STONITH_DEVICE);
xmlNode *args = create_xml_node(data, XML_TAG_ATTRS);
crm_xml_add(data, XML_ATTR_ID, id);
crm_xml_add(data, "origin", __FUNCTION__);
crm_xml_add(data, "agent", agent);
crm_xml_add(data, "namespace", namespace);
g_hash_table_foreach(params, hash2field, args);
rc = stonith_send_command(stonith, STONITH_OP_DEVICE_ADD, data, NULL, call_options, 0);
free_xml(data);
return rc;
}
static int stonith_api_remove_device(
stonith_t *stonith, int call_options, const char *name)
{
int rc = 0;
xmlNode *data = NULL;
data = create_xml_node(NULL, F_STONITH_DEVICE);
crm_xml_add(data, "origin", __FUNCTION__);
crm_xml_add(data, XML_ATTR_ID, name);
rc = stonith_send_command(stonith, STONITH_OP_DEVICE_DEL, data, NULL, call_options, 0);
free_xml(data);
return rc;
}
static int stonith_api_device_metadata(
stonith_t *stonith, int call_options, const char *agent, const char *namespace,
char **output, int timeout)
{
int rc = 0;
xmlNode *xml = NULL;
xmlNode *data = NULL;
data = create_xml_node(NULL, F_STONITH_DEVICE);
crm_xml_add(data, "origin", __FUNCTION__);
crm_xml_add(data, "agent", agent);
crm_xml_add(data, "namespace", namespace);
crm_xml_add(data, F_STONITH_ACTION, "metadata");
crm_xml_add_int(data, "timeout", timeout);
rc = stonith_send_command(
stonith, STONITH_OP_EXEC, data, &xml, call_options, timeout);
if(xml && output) {
*output = dump_xml_formatted(first_named_child(xml, "resource-agent"));
}
free_xml(data);
free_xml(xml);
return rc;
}
static int stonith_api_query(
stonith_t *stonith, int call_options, const char *target, GListPtr *devices, int timeout)
{
int rc = 0, lpc = 0, max = 0;
xmlNode *data = NULL;
xmlNode *output = NULL;
xmlXPathObjectPtr xpathObj = NULL;
CRM_CHECK(devices != NULL, return st_err_missing);
data = create_xml_node(NULL, F_STONITH_DEVICE);
crm_xml_add(data, "origin", __FUNCTION__);
crm_xml_add(data, F_STONITH_TARGET, target);
rc = stonith_send_command(stonith, STONITH_OP_QUERY, data, &output, call_options, timeout);
if(rc < 0) {
return rc;
}
xpathObj = xpath_search(output, "//@agent");
max = xpathObj->nodesetval->nodeNr;
for(lpc = 0; lpc < max; lpc++) {
xmlNode *match = getXpathResult(xpathObj, lpc);
CRM_CHECK(match != NULL, continue);
crm_info("%s[%d] = %s", "//@agent", lpc, xmlGetNodePath(match));
*devices = g_list_append(*devices, crm_element_value_copy(match, XML_ATTR_ID));
}
free_xml(output);
free_xml(data);
return max;
}
static int stonith_api_call(
stonith_t *stonith, int call_options, const char *id, const char *action, const char *port, int timeout)
{
int rc = 0;
xmlNode *data = NULL;
data = create_xml_node(NULL, F_STONITH_DEVICE);
crm_xml_add(data, "origin", __FUNCTION__);
crm_xml_add(data, F_STONITH_DEVICE, id);
crm_xml_add(data, F_STONITH_ACTION, action);
crm_xml_add(data, F_STONITH_PORT, port);
crm_xml_add_int(data, "timeout", timeout);
rc = stonith_send_command(stonith, STONITH_OP_EXEC, data, NULL, call_options, timeout);
free_xml(data);
return rc;
}
static int stonith_api_fence(
stonith_t *stonith, int call_options, const char *node, int timeout)
{
int rc = 0;
xmlNode *data = NULL;
data = create_xml_node(NULL, __FUNCTION__);
crm_xml_add(data, F_STONITH_TARGET, node);
crm_xml_add_int(data, "timeout", timeout);
rc = stonith_send_command(stonith, STONITH_OP_FENCE, data, NULL, call_options, timeout);
free_xml(data);
return rc;
}
static int stonith_api_unfence(
stonith_t *stonith, int call_options, const char *node, int timeout)
{
int rc = 0;
xmlNode *data = NULL;
data = create_xml_node(NULL, __FUNCTION__);
crm_xml_add(data, F_STONITH_TARGET, node);
crm_xml_add_int(data, "timeout", timeout);
rc = stonith_send_command(stonith, STONITH_OP_UNFENCE, data, NULL, call_options, timeout);
free_xml(data);
return rc;
}
const char *
stonith_error2string(enum stonith_errors return_code)
{
const char *error_msg = NULL;
switch(return_code) {
case stonith_ok:
error_msg = "";
break;
case st_err_not_supported:
error_msg = "";
break;
case st_err_authentication:
error_msg = "";
break;
case st_err_generic:
error_msg = "";
break;
case st_err_internal:
error_msg = "";
break;
case st_err_unknown_device:
error_msg = "";
break;
case st_err_unknown_operation:
error_msg = "";
break;
case st_err_connection:
error_msg = "";
break;
case st_err_missing:
error_msg = "";
break;
case st_err_exists:
error_msg = "";
break;
case st_err_timeout:
error_msg = "";
break;
case st_err_ipc:
error_msg = "";
break;
case st_err_peer:
error_msg = "";
break;
}
if(error_msg == NULL) {
crm_err("Unknown Stonith error code: %d", return_code);
error_msg = "<unknown error>";
}
return error_msg;
}
static gint stonithlib_GCompareFunc(gconstpointer a, gconstpointer b)
{
int rc = 0;
const stonith_notify_client_t *a_client = a;
const stonith_notify_client_t *b_client = b;
CRM_CHECK(a_client->event != NULL && b_client->event != NULL, return 0);
rc = strcmp(a_client->event, b_client->event);
if(rc == 0) {
if(a_client->notify == NULL || b_client->notify == NULL) {
return 0;
} else if(a_client->notify == b_client->notify) {
return 0;
} else if(((long)a_client->notify) < ((long)b_client->notify)) {
crm_err("callbacks for %s are not equal: %p vs. %p",
a_client->event, a_client->notify, b_client->notify);
return -1;
}
crm_err("callbacks for %s are not equal: %p vs. %p",
a_client->event, a_client->notify, b_client->notify);
return 1;
}
return rc;
}
static int get_stonith_token(IPC_Channel *ch, char **token)
{
int rc = stonith_ok;
xmlNode *reg_msg = NULL;
const char *msg_type = NULL;
const char *tmp_ticket = NULL;
CRM_CHECK(ch != NULL, return st_err_missing);
CRM_CHECK(token != NULL, return st_err_missing);
crm_debug_4("Waiting for msg on command channel");
reg_msg = xmlfromIPC(ch, MAX_IPC_DELAY);
if(ch->ops->get_chan_status(ch) != IPC_CONNECT) {
crm_err("No reply message - disconnected");
free_xml(reg_msg);
return st_err_connection;
} else if(reg_msg == NULL) {
crm_err("No reply message - empty");
return st_err_ipc;
}
msg_type = crm_element_value(reg_msg, F_STONITH_OPERATION);
tmp_ticket = crm_element_value(reg_msg, F_STONITH_CLIENTID);
if(safe_str_neq(msg_type, CRM_OP_REGISTER) ) {
crm_err("Invalid registration message: %s", msg_type);
rc = st_err_internal;
} else if(tmp_ticket == NULL) {
crm_err("No registration token provided");
crm_log_xml_warn(reg_msg, "Bad reply")
rc = st_err_internal;
} else {
crm_debug("Obtained registration token: %s", tmp_ticket);
*token = crm_strdup(tmp_ticket);
}
free_xml(reg_msg);
return rc;
}
xmlNode *stonith_create_op(
int call_id, const char *token, const char *op, xmlNode *data, int call_options)
{
int rc = HA_OK;
xmlNode *op_msg = create_xml_node(NULL, "stonith_command");
CRM_CHECK(op_msg != NULL, return NULL);
CRM_CHECK(token != NULL, return NULL);
crm_xml_add(op_msg, F_XML_TAGNAME, "stonith_command");
- crm_xml_add(op_msg, F_TYPE, T_STONITH);
+ crm_xml_add(op_msg, F_TYPE, T_STONITH_NG);
crm_xml_add(op_msg, F_STONITH_CALLBACK_TOKEN, token);
crm_xml_add(op_msg, F_STONITH_OPERATION, op);
crm_xml_add_int(op_msg, F_STONITH_CALLID, call_id);
crm_debug_4("Sending call options: %.8lx, %d",
(long)call_options, call_options);
crm_xml_add_int(op_msg, F_STONITH_CALLOPTS, call_options);
if(data != NULL) {
add_message_xml(op_msg, F_STONITH_CALLDATA, data);
}
if (rc != HA_OK) {
crm_err("Failed to create STONITH operation message");
crm_log_xml(LOG_ERR, "op", op_msg);
free_xml(op_msg);
return NULL;
}
return op_msg;
}
static void stonith_destroy_op_callback(gpointer data)
{
stonith_callback_client_t *blob = data;
if(blob->timer && blob->timer->ref > 0) {
g_source_remove(blob->timer->ref);
}
crm_free(blob->timer);
crm_free(blob);
}
static int stonith_api_signoff(stonith_t* stonith)
{
stonith_private_t *native = stonith->private;
crm_debug("Signing out of the STONITH Service");
/* close channels */
if (native->command_channel != NULL) {
native->command_channel->ops->destroy(
native->command_channel);
native->command_channel = NULL;
}
if (native->callback_source != NULL) {
G_main_del_IPC_Channel(native->callback_source);
native->callback_source = NULL;
}
if (native->callback_channel != NULL) {
#ifdef BUG
native->callback_channel->ops->destroy(
native->callback_channel);
#endif
native->callback_channel = NULL;
}
stonith->state = stonith_disconnected;
return stonith_ok;
}
static int stonith_api_signon(
stonith_t* stonith, const char *name, int *async_fd, int *sync_fd)
{
int rc = stonith_ok;
xmlNode *hello = NULL;
char *uuid_ticket = NULL;
stonith_private_t *native = stonith->private;
crm_debug_4("Connecting command channel");
stonith->state = stonith_connected_command;
native->command_channel = init_client_ipc_comms_nodispatch(stonith_channel);
if(native->command_channel == NULL) {
crm_debug("Connection to command channel failed");
rc = st_err_connection;
} else if(native->command_channel->ch_status != IPC_CONNECT) {
crm_err("Connection may have succeeded,"
" but authentication to command channel failed");
rc = st_err_authentication;
}
if(rc == stonith_ok) {
rc = get_stonith_token(native->command_channel, &uuid_ticket);
if(rc == stonith_ok) {
native->token = uuid_ticket;
uuid_ticket = NULL;
} else {
stonith->state = stonith_disconnected;
native->command_channel->ops->disconnect(native->command_channel);
return rc;
}
}
native->callback_channel = init_client_ipc_comms_nodispatch(
stonith_channel_callback);
if(native->callback_channel == NULL) {
crm_debug("Connection to callback channel failed");
rc = st_err_connection;
} else if(native->callback_channel->ch_status != IPC_CONNECT) {
crm_err("Connection may have succeeded,"
" but authentication to command channel failed");
rc = st_err_authentication;
}
if(rc == stonith_ok) {
native->callback_channel->send_queue->max_qlen = 500;
rc = get_stonith_token(native->callback_channel, &uuid_ticket);
if(rc == stonith_ok) {
crm_free(native->token);
native->token = uuid_ticket;
}
}
if(rc == stonith_ok) {
CRM_CHECK(native->token != NULL, ;);
hello = stonith_create_op(0, native->token, CRM_OP_REGISTER, NULL, 0);
crm_xml_add(hello, F_STONITH_CLIENTNAME, name);
if(send_ipc_message(native->command_channel, hello) == FALSE) {
rc = st_err_internal;
}
free_xml(hello);
}
if(rc == stonith_ok) {
gboolean do_mainloop = TRUE;
if(async_fd != NULL) {
do_mainloop = FALSE;
*async_fd = native->callback_channel->ops->get_recv_select_fd(native->callback_channel);
}
if(sync_fd != NULL) {
do_mainloop = FALSE;
*sync_fd = native->callback_channel->ops->get_send_select_fd(native->callback_channel);
}
if(do_mainloop) {
crm_debug_4("Connecting callback channel");
native->callback_source = G_main_add_IPC_Channel(
G_PRIORITY_HIGH, native->callback_channel, FALSE, stonith_dispatch,
stonith, default_ipc_connection_destroy);
if(native->callback_source == NULL) {
crm_err("Callback source not recorded");
rc = st_err_connection;
} else {
set_IPC_Channel_dnotify(
native->callback_source, stonith_connection_destroy);
}
}
}
if(rc == stonith_ok) {
#if HAVE_MSGFROMIPC_TIMEOUT
stonith->call_timeout = MAX_IPC_DELAY;
#endif
crm_debug("Connection to STONITH successful");
return stonith_ok;
}
crm_debug("Connection to STONITH failed: %s", stonith_error2string(rc));
stonith->cmds->disconnect(stonith);
return rc;
}
static int stonith_set_notification(stonith_t* stonith, const char *callback, int enabled)
{
xmlNode *notify_msg = create_xml_node(NULL, __FUNCTION__);
stonith_private_t *native = stonith->private;
if(stonith->state != stonith_disconnected) {
crm_xml_add(notify_msg, F_STONITH_OPERATION, T_STONITH_NOTIFY);
if(enabled) {
crm_xml_add(notify_msg, F_STONITH_NOTIFY_ACTIVATE, callback);
} else {
crm_xml_add(notify_msg, F_STONITH_NOTIFY_DEACTIVATE, callback);
}
send_ipc_message(native->callback_channel, notify_msg);
}
free_xml(notify_msg);
return stonith_ok;
}
static int stonith_api_add_notification(
stonith_t *stonith, const char *event,
void (*callback)(stonith_t *stonith, const char *event, xmlNode *msg))
{
GList *list_item = NULL;
stonith_notify_client_t *new_client = NULL;
crm_debug_2("Adding callback for %s events (%d)",
event, g_list_length(stonith->notify_list));
crm_malloc0(new_client, sizeof(stonith_notify_client_t));
new_client->event = event;
new_client->notify = callback;
list_item = g_list_find_custom(
stonith->notify_list, new_client, stonithlib_GCompareFunc);
if(list_item != NULL) {
crm_warn("Callback already present");
crm_free(new_client);
return st_err_exists;
} else {
stonith->notify_list = g_list_append(
stonith->notify_list, new_client);
stonith_set_notification(stonith, event, 1);
crm_debug_3("Callback added (%d)", g_list_length(stonith->notify_list));
}
return stonith_ok;
}
static int stonith_api_del_notification(stonith_t *stonith, const char *event)
{
GList *list_item = NULL;
stonith_notify_client_t *new_client = NULL;
crm_debug("Removing callback for %s events", event);
crm_malloc0(new_client, sizeof(stonith_notify_client_t));
new_client->event = event;
new_client->notify = NULL;
list_item = g_list_find_custom(
stonith->notify_list, new_client, stonithlib_GCompareFunc);
stonith_set_notification(stonith, event, 0);
if(list_item != NULL) {
stonith_notify_client_t *list_client = list_item->data;
stonith->notify_list =
g_list_remove(stonith->notify_list, list_client);
crm_free(list_client);
crm_debug_3("Removed callback");
} else {
crm_debug_3("Callback not present");
}
crm_free(new_client);
return stonith_ok;
}
static gboolean stonith_async_timeout_handler(gpointer data)
{
struct timer_rec_s *timer = data;
crm_debug("Async call %d timed out after %ds", timer->call_id, timer->timeout);
stonith_perform_callback(timer->stonith, NULL, timer->call_id, st_err_timeout);
/* Always return TRUE, never remove the handler
* We do that in stonith_del_callback()
*/
return TRUE;
}
static int stonith_api_add_callback(
stonith_t *stonith, int call_id, int timeout, gboolean only_success,
void *user_data, const char *callback_name,
void (*callback)(
stonith_t *st, const xmlNode *msg, int call, int rc, xmlNode *output, void *userdata))
{
stonith_callback_client_t *blob = NULL;
CRM_CHECK(stonith != NULL, return st_err_missing);
CRM_CHECK(stonith->private != NULL, return st_err_missing);
if(call_id == 0) {
stonith_private_t *private = stonith->private;
private->op_callback = callback;
} else if(call_id < 0) {
if(only_success == FALSE) {
callback(stonith, NULL, call_id, call_id, NULL, user_data);
} else {
crm_warn("STONITH call failed: %s", stonith_error2string(call_id));
}
return FALSE;
}
crm_malloc0(blob, sizeof(stonith_callback_client_t));
blob->id = callback_name;
blob->only_success = only_success;
blob->user_data = user_data;
blob->callback = callback;
if(timeout > 0) {
struct timer_rec_s *async_timer = NULL;
crm_malloc0(async_timer, sizeof(struct timer_rec_s));
blob->timer = async_timer;
async_timer->stonith = stonith;
async_timer->call_id = call_id;
async_timer->timeout = timeout*1000;
async_timer->ref = g_timeout_add(
async_timer->timeout, stonith_async_timeout_handler, async_timer);
}
g_hash_table_insert(stonith_op_callback_table, GINT_TO_POINTER(call_id), blob);
return TRUE;
}
static int stonith_api_del_callback(stonith_t *stonith, int call_id, gboolean all_callbacks)
{
stonith_private_t *private = stonith->private;
if(all_callbacks) {
private->op_callback = NULL;
if(stonith_op_callback_table != NULL) {
g_hash_table_destroy(stonith_op_callback_table);
}
stonith_op_callback_table = g_hash_table_new_full(
g_direct_hash, g_direct_equal,
NULL, stonith_destroy_op_callback);
} else if(call_id == 0) {
private->op_callback = NULL;
} else {
g_hash_table_remove(stonith_op_callback_table, GINT_TO_POINTER(call_id));
}
return stonith_ok;
}
static void stonith_dump_pending_op(
gpointer key, gpointer value, gpointer user_data)
{
int call = GPOINTER_TO_INT(key);
stonith_callback_client_t *blob = value;
crm_debug("Call %d (%s): pending", call, crm_str(blob->id));
}
void stonith_dump_pending_callbacks(void)
{
if(stonith_op_callback_table == NULL) {
return;
}
return g_hash_table_foreach(
stonith_op_callback_table, stonith_dump_pending_op, NULL);
}
void stonith_perform_callback(stonith_t *stonith, xmlNode *msg, int call_id, int rc)
{
xmlNode *output = NULL;
stonith_private_t *private = NULL;
stonith_callback_client_t *blob = NULL;
stonith_callback_client_t local_blob;
CRM_CHECK(stonith != NULL, return);
CRM_CHECK(stonith->private != NULL, return);
private = stonith->private;
local_blob.id = NULL;
local_blob.callback = NULL;
local_blob.user_data = NULL;
local_blob.only_success = FALSE;
if(msg != NULL) {
crm_element_value_int(msg, F_STONITH_RC, &rc);
crm_element_value_int(msg, F_STONITH_CALLID, &call_id);
output = get_message_xml(msg, F_STONITH_CALLDATA);
}
blob = g_hash_table_lookup(
stonith_op_callback_table, GINT_TO_POINTER(call_id));
if(blob != NULL) {
local_blob = *blob;
blob = NULL;
stonith_api_del_callback(stonith, call_id, FALSE);
} else {
crm_debug_2("No callback found for call %d", call_id);
local_blob.callback = NULL;
}
if(stonith == NULL) {
crm_debug("No stonith object supplied");
}
if(local_blob.callback != NULL
&& (rc == stonith_ok || local_blob.only_success == FALSE)) {
crm_debug_2("Invoking callback %s for call %d", crm_str(local_blob.id), call_id);
local_blob.callback(stonith, msg, call_id, rc, output, local_blob.user_data);
} else if(private->op_callback == NULL && rc != stonith_ok) {
crm_warn("STONITH command failed: %s", stonith_error2string(rc));
crm_log_xml(LOG_DEBUG, "Failed STONITH Update", msg);
}
if(private->op_callback != NULL) {
crm_debug_2("Invoking global callback for call %d", call_id);
private->op_callback(stonith, msg, call_id, rc, output, NULL);
}
crm_debug_4("OP callback activated.");
}
static void stonith_send_notification(gpointer data, gpointer user_data)
{
struct notify_blob_s *blob = user_data;
stonith_notify_client_t *entry = data;
const char *event = NULL;
if(blob->xml == NULL) {
crm_warn("Skipping callback - NULL message");
return;
}
event = crm_element_value(blob->xml, F_SUBTYPE);
if(entry == NULL) {
crm_warn("Skipping callback - NULL callback client");
return;
} else if(entry->notify == NULL) {
crm_warn("Skipping callback - NULL callback");
return;
} else if(safe_str_neq(entry->event, event)) {
crm_debug_4("Skipping callback - event mismatch %p/%s vs. %s",
entry, entry->event, event);
return;
}
crm_debug_4("Invoking callback for %p/%s event...", entry, event);
entry->notify(blob->stonith, event, blob->xml);
crm_debug_4("Callback invoked...");
}
int stonith_send_command(
stonith_t *stonith, const char *op, xmlNode *data, xmlNode **output_data,
int call_options, int timeout)
{
int rc = HA_OK;
xmlNode *op_msg = NULL;
xmlNode *op_reply = NULL;
stonith_private_t *native = stonith->private;
if(stonith->state == stonith_disconnected) {
return st_err_connection;
}
if(output_data != NULL) {
*output_data = NULL;
}
if(op == NULL) {
crm_err("No operation specified");
return st_err_missing;
}
stonith->call_id++;
/* prevent call_id from being negative (or zero) and conflicting
* with the stonith_errors enum
* use 2 because we use it as (stonith->call_id - 1) below
*/
if(stonith->call_id < 1) {
stonith->call_id = 1;
}
CRM_CHECK(native->token != NULL, ;);
op_msg = stonith_create_op(stonith->call_id, native->token, op, data, call_options);
if(op_msg == NULL) {
return st_err_missing;
}
crm_debug_3("Sending %s message to STONITH service", op);
if(send_ipc_message(native->command_channel, op_msg) == FALSE) {
crm_err("Sending message to STONITH service FAILED");
free_xml(op_msg);
return st_err_ipc;
} else {
crm_debug_3("Message sent");
}
free_xml(op_msg);
if((call_options & stonith_discard_reply)) {
crm_debug_3("Discarding reply");
return stonith_ok;
} else if(!(call_options & stonith_sync_call)) {
crm_debug_3("Async call, returning");
CRM_CHECK(stonith->call_id != 0, return st_err_ipc);
return stonith->call_id;
}
rc = IPC_OK;
crm_debug_3("Waiting for a syncronous reply");
rc = stonith_ok;
while(IPC_ISRCONN(native->command_channel)) {
int reply_id = -1;
int msg_id = stonith->call_id;
op_reply = xmlfromIPC(native->command_channel, stonith->call_timeout);
if(op_reply == NULL) {
rc = st_err_peer;
break;
}
crm_element_value_int(op_reply, F_STONITH_CALLID, &reply_id);
if(reply_id <= 0) {
rc = st_err_peer;
break;
} else if(reply_id == msg_id) {
crm_debug_3("Syncronous reply received");
crm_log_xml(LOG_INFO, "Reply", op_reply);
if(crm_element_value_int(op_reply, F_STONITH_RC, &rc) != 0) {
rc = st_err_peer;
}
if(output_data != NULL && is_not_set(call_options, stonith_discard_reply)) {
*output_data = op_reply;
op_reply = NULL;
}
break;
} else if(reply_id < msg_id) {
crm_debug("Recieved old reply: %d (wanted %d)", reply_id, msg_id);
crm_log_xml(LOG_MSG, "Old reply", op_reply);
} else if((reply_id - 10000) > msg_id) {
/* wrap-around case */
crm_debug("Recieved old reply: %d (wanted %d)", reply_id, msg_id);
crm_log_xml(LOG_MSG, "Old reply", op_reply);
} else {
crm_err("Received a __future__ reply:"
" %d (wanted %d)", reply_id, msg_id);
}
free_xml(op_reply);
op_reply = NULL;
}
if(IPC_ISRCONN(native->command_channel) == FALSE) {
crm_err("STONITH disconnected: %d", native->command_channel->ch_status);
stonith->state = stonith_disconnected;
}
if(op_reply == NULL && stonith->state == stonith_disconnected) {
rc = st_err_connection;
} else if(rc == stonith_ok && op_reply == NULL) {
rc = st_err_peer;
}
free_xml(op_reply);
return rc;
}
static gboolean stonith_msgready(stonith_t* stonith)
{
stonith_private_t *private = NULL;
if (stonith == NULL) {
crm_err("No STONITH!");
return FALSE;
}
private = stonith->private;
if(private->command_channel != NULL) {
/* drain the channel */
IPC_Channel *cmd_ch = private->command_channel;
xmlNode *cmd_msg = NULL;
while(cmd_ch->ch_status != IPC_DISCONNECT
&& cmd_ch->ops->is_message_pending(cmd_ch)) {
/* this will happen when the STONITH exited from beneath us */
cmd_msg = xmlfromIPC(cmd_ch, MAX_IPC_DELAY);
free_xml(cmd_msg);
}
} else {
crm_err("No command channel");
}
if(private->callback_channel == NULL) {
crm_err("No callback channel");
return FALSE;
} else if(private->callback_channel->ch_status == IPC_DISCONNECT) {
crm_info("Lost connection to the STONITH service [%d].",
private->callback_channel->farside_pid);
return FALSE;
} else if(private->callback_channel->ops->is_message_pending(
private->callback_channel)) {
crm_debug_4("Message pending on command channel [%d]",
private->callback_channel->farside_pid);
return TRUE;
}
crm_debug_3("No message pending");
return FALSE;
}
static int stonith_rcvmsg(stonith_t* stonith)
{
const char *type = NULL;
stonith_private_t *private = NULL;
struct notify_blob_s blob;
if (stonith == NULL) {
crm_err("No STONITH!");
return FALSE;
}
blob.stonith = stonith;
private = stonith->private;
/* if it is not blocking mode and no message in the channel, return */
if (stonith_msgready(stonith) == FALSE) {
crm_debug_3("No message ready and non-blocking...");
return 0;
}
/* IPC_INTR is not a factor here */
blob.xml = xmlfromIPC(private->callback_channel, MAX_IPC_DELAY);
if (blob.xml == NULL) {
crm_warn("Received a NULL msg from STONITH service.");
return 0;
}
/* do callbacks */
type = crm_element_value(blob.xml, F_TYPE);
crm_debug_4("Activating %s callbacks...", type);
if(safe_str_eq(type, T_STONITH_NG)) {
stonith_perform_callback(stonith, blob.xml, 0, 0);
} else if(safe_str_eq(type, T_STONITH_NOTIFY)) {
g_list_foreach(stonith->notify_list, stonith_send_notification, &blob);
} else {
crm_err("Unknown message type: %s", type);
+ crm_log_xml_warn(blob.xml, "BadReply");
}
free_xml(blob.xml);
return 1;
}
gboolean stonith_dispatch(IPC_Channel *channel, gpointer user_data)
{
stonith_t *stonith = user_data;
stonith_private_t *private = NULL;
gboolean stay_connected = TRUE;
CRM_CHECK(stonith != NULL, return FALSE);
private = stonith->private;
CRM_CHECK(private->callback_channel == channel, return FALSE);
while(stonith_msgready(stonith)) {
/* invoke the callbacks but dont block */
int rc = stonith_rcvmsg(stonith);
if( rc < 0) {
crm_err("Message acquisition failed: %d", rc);
break;
} else if(rc == 0) {
break;
}
}
if(private->callback_channel
&& private->callback_channel->ch_status != IPC_CONNECT) {
crm_crit("Lost connection to the STONITH service [%d/callback].",
channel->farside_pid);
private->callback_source = NULL;
stay_connected = FALSE;
}
if(private->command_channel
&& private->command_channel->ch_status != IPC_CONNECT) {
crm_crit("Lost connection to the STONITH service [%d/command].",
channel->farside_pid);
private->callback_source = NULL;
stay_connected = FALSE;
}
return stay_connected;
}
static int stonith_api_free (stonith_t* stonith)
{
int rc = stonith_ok;
if(stonith->state != stonith_disconnected) {
rc = stonith->cmds->disconnect(stonith);
}
if(stonith->state == stonith_disconnected) {
stonith_private_t *private = stonith->private;
crm_free(private->token);
crm_free(stonith->private);
crm_free(stonith->cmds);
crm_free(stonith);
}
return rc;
}
void stonith_api_delete(stonith_t *stonith)
{
GList *list = stonith->notify_list;
while(list != NULL) {
stonith_notify_client_t *client = g_list_nth_data(list, 0);
list = g_list_remove(list, client);
crm_free(client);
}
g_hash_table_destroy(stonith_op_callback_table);
stonith->cmds->free(stonith);
stonith = NULL;
}
stonith_t *stonith_api_new(void)
{
stonith_t* new_stonith = NULL;
stonith_private_t* private = NULL;
crm_malloc0(new_stonith, sizeof(stonith_t));
crm_malloc0(private, sizeof(stonith_private_t));
new_stonith->private = private;
if(stonith_op_callback_table != NULL) {
g_hash_table_destroy(stonith_op_callback_table);
stonith_op_callback_table = NULL;
}
if(stonith_op_callback_table == NULL) {
stonith_op_callback_table = g_hash_table_new_full(
g_direct_hash, g_direct_equal,
NULL, stonith_destroy_op_callback);
}
new_stonith->call_id = 1;
new_stonith->notify_list = NULL;
new_stonith->state = stonith_disconnected;
crm_malloc0(new_stonith->cmds, sizeof(stonith_api_operations_t));
new_stonith->cmds->free = stonith_api_free;
new_stonith->cmds->connect = stonith_api_signon;
new_stonith->cmds->disconnect = stonith_api_signoff;
new_stonith->cmds->call = stonith_api_call;
new_stonith->cmds->fence = stonith_api_fence;
new_stonith->cmds->unfence = stonith_api_unfence;
new_stonith->cmds->metadata = stonith_api_device_metadata;
new_stonith->cmds->query = stonith_api_query;
new_stonith->cmds->remove_device = stonith_api_remove_device;
new_stonith->cmds->register_device = stonith_api_register_device;
new_stonith->cmds->remove_callback = stonith_api_del_callback;
new_stonith->cmds->register_callback = stonith_api_add_callback;
new_stonith->cmds->remove_notification = stonith_api_del_notification;
new_stonith->cmds->register_notification = stonith_api_add_notification;
return new_stonith;
}