void
send_hello_message(IPC_Channel *ipc_client,
const char *uuid,
const char *client_name,
const char *major_version,
const char *minor_version)
{
xmlNode *hello_node = NULL;
xmlNode *hello = NULL;
if (uuid == NULL || strlen(uuid) == 0
|| client_name == NULL || strlen(client_name) == 0
|| major_version == NULL || strlen(major_version) == 0
|| minor_version == NULL || strlen(minor_version) == 0) {
crm_err("Missing fields, Hello message will not be valid.");
return;
}
hello_node = create_xml_node(NULL, XML_TAG_OPTIONS);
crm_xml_add(hello_node, "major_version", major_version);
crm_xml_add(hello_node, "minor_version", minor_version);
crm_xml_add(hello_node, "client_name", client_name);
crm_xml_add(hello_node, "client_uuid", uuid);
crm_debug_4("creating hello message");
hello = create_request(
CRM_OP_HELLO, hello_node, NULL, NULL, client_name, uuid);
send_ipc_message(ipc_client, hello);
crm_debug_4("hello message sent");
free_xml(hello_node);
free_xml(hello);
}
void
notify_crmd(crm_graph_t *graph)
{
HA_Message *cmd = NULL;
int log_level = LOG_DEBUG;
const char *op = CRM_OP_TEABORT;
int pending_callbacks = num_cib_op_callbacks();
stop_te_timer(transition_timer);
if(pending_callbacks != 0) {
crm_warn("Delaying completion until all CIB updates complete");
return;
}
CRM_CHECK(graph->complete, graph->complete = TRUE);
switch(graph->completion_action) {
case tg_stop:
op = CRM_OP_TECOMPLETE;
log_level = LOG_INFO;
break;
case tg_abort:
case tg_restart:
op = CRM_OP_TEABORT;
break;
case tg_shutdown:
crm_info("Exiting after transition");
if (mainloop != NULL && g_main_is_running(mainloop)) {
g_main_quit(mainloop);
return;
}
exit(LSB_EXIT_OK);
}
te_log_action(log_level, "Transition %d status: %s - %s",
graph->id, op, crm_str(graph->abort_reason));
print_graph(LOG_DEBUG_3, graph);
cmd = create_request(
op, NULL, NULL, CRM_SYSTEM_DC, CRM_SYSTEM_TENGINE, NULL);
if(graph->abort_reason != NULL) {
ha_msg_add(cmd, "message", graph->abort_reason);
}
send_ipc_message(crm_ch, cmd);
crm_msg_del(cmd);
graph->abort_reason = NULL;
graph->completion_action = tg_restart;
}
static gboolean
te_crm_command(crm_graph_t *graph, crm_action_t *action)
{
char *value = NULL;
char *counter = NULL;
HA_Message *cmd = NULL;
const char *id = NULL;
const char *task = NULL;
const char *on_node = NULL;
gboolean ret = TRUE;
id = ID(action->xml);
task = crm_element_value(action->xml, XML_LRM_ATTR_TASK);
on_node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET);
CRM_CHECK(on_node != NULL && strlen(on_node) != 0,
te_log_action(LOG_ERR, "Corrupted command (id=%s) %s: no node",
crm_str(id), crm_str(task));
return FALSE);
te_log_action(LOG_INFO, "Executing crm-event (%s): %s on %s",
crm_str(id), crm_str(task), on_node);
cmd = create_request(task, NULL, on_node, CRM_SYSTEM_CRMD,
CRM_SYSTEM_TENGINE, NULL);
counter = generate_transition_key(
transition_graph->id, action->id, te_uuid);
crm_xml_add(cmd, XML_ATTR_TRANSITION_KEY, counter);
ret = send_ipc_message(crm_ch, cmd);
crm_free(counter);
crm_msg_del(cmd);
value = g_hash_table_lookup(action->params, crm_meta_name(XML_ATTR_TE_NOWAIT));
if(ret == FALSE) {
crm_err("Action %d failed: send", action->id);
return FALSE;
} else if(crm_is_true(value)) {
crm_info("Skipping wait for %d", action->id);
action->confirmed = TRUE;
update_graph(graph, action);
trigger_graph();
} else if(ret && action->timeout > 0) {
crm_debug("Setting timer for action %d",action->id);
action->timer->reason = timeout_action_warn;
te_start_action_timer(action);
}
return TRUE;
}
static int
send_via_callback_channel(xmlNode *msg, const char *token)
{
stonith_client_t *hash_client = NULL;
enum stonith_errors rc = stonith_ok;
crm_trace("Delivering msg %p to client %s", msg, token);
if(token == NULL) {
crm_err("No client id token, cant send message");
if(rc == stonith_ok) {
rc = -1;
}
} else if(msg == NULL) {
crm_err("No message to send");
rc = -1;
} else {
/* A client that left before we could reply is not really
* _our_ error. Warn instead.
*/
hash_client = g_hash_table_lookup(client_list, token);
if(hash_client == NULL) {
crm_warn("Cannot find client for token %s", token);
rc = -1;
} else if (crm_str_eq(hash_client->channel_name, "remote", FALSE)) {
/* just hope it's alive */
} else if(hash_client->channel == NULL) {
crm_err("Cannot find channel for client %s", token);
rc = -1;
}
}
if(rc == stonith_ok) {
crm_trace("Delivering reply to client %s (%s)",
token, hash_client->channel_name);
if(send_ipc_message(hash_client->channel, msg) == FALSE) {
crm_warn("Delivery of reply to client %s/%s failed",
hash_client->name, token);
rc = -1;
}
}
return rc;
}
gboolean
send_msg_via_ipc(xmlNode * msg, const char *sys)
{
gboolean send_ok = TRUE;
IPC_Channel *client_channel;
client_channel = (IPC_Channel *) g_hash_table_lookup(ipc_clients, sys);
if (crm_element_value(msg, F_CRM_HOST_FROM) == NULL) {
crm_xml_add(msg, F_CRM_HOST_FROM, fsa_our_uname);
}
if (client_channel != NULL) {
crm_debug_3("Sending message via channel %s.", sys);
send_ok = send_ipc_message(client_channel, msg);
} else if (sys != NULL && strcmp(sys, CRM_SYSTEM_TENGINE) == 0) {
xmlNode *data = get_message_xml(msg, F_CRM_DATA);
process_te_message(msg, data);
} else if (sys != NULL && strcmp(sys, CRM_SYSTEM_LRMD) == 0) {
fsa_data_t fsa_data;
ha_msg_input_t fsa_input;
fsa_input.msg = msg;
fsa_input.xml = get_message_xml(msg, F_CRM_DATA);
fsa_data.id = 0;
fsa_data.actions = 0;
fsa_data.data = &fsa_input;
fsa_data.fsa_input = I_MESSAGE;
fsa_data.fsa_cause = C_IPC_MESSAGE;
fsa_data.origin = __FUNCTION__;
fsa_data.data_type = fsa_dt_ha_msg;
#ifdef FSA_TRACE
crm_debug_2("Invoking action A_LRM_INVOKE (%.16llx)", A_LRM_INVOKE);
#endif
do_lrm_invoke(A_LRM_INVOKE, C_IPC_MESSAGE, fsa_state, I_MESSAGE, &fsa_data);
} else {
crm_err("Unknown Sub-system (%s)... discarding message.", crm_str(sys));
send_ok = FALSE;
}
return send_ok;
}
static void
stonith_notify_client(gpointer key, gpointer value, gpointer user_data)
{
IPC_Channel *ipc_client = NULL;
xmlNode *update_msg = user_data;
stonith_client_t *client = value;
const char *type = NULL;
CRM_CHECK(client != NULL, return);
CRM_CHECK(update_msg != NULL, return);
type = crm_element_value(update_msg, F_SUBTYPE);
CRM_CHECK(type != NULL, crm_log_xml_err(update_msg, "notify"); return);
if(client == NULL) {
crm_trace("Skipping NULL client");
return;
} else if(client->channel == NULL) {
crm_trace("Skipping client with NULL channel");
return;
} else if(client->name == NULL) {
crm_trace("Skipping unnammed client / comamnd channel");
return;
}
ipc_client = client->channel;
if(client->flags & get_stonith_flag(type)) {
crm_trace("Sending %s-notification to client %s/%s", type, client->name, client->id);
if(ipc_client->send_queue->current_qlen >= ipc_client->send_queue->max_qlen) {
/* We never want the STONITH to exit because our client is slow */
crm_debug("%s-notification of client %s/%s failed - queue saturated",
type, client->name, client->id);
} else if(send_ipc_message(ipc_client, update_msg) == FALSE) {
crm_warn("%s-Notification of client %s/%s failed",
type, client->name, client->id);
}
}
}
int ipc_cld_join_send (IDTYPE dest)
{
BEGIN_PROFILE_INTERVAL();
struct shim_ipc_port * port = dest ?
lookup_ipc_port(dest, IPC_PORT_DIRPRT) :
get_parent_port(&dest);
if (!port)
return -ESRCH;
struct shim_ipc_msg * msg =
create_ipc_msg_on_stack(IPC_CLD_JOIN, 0, dest);
debug("ipc send to %u: IPC_CLD_JOIN\n", dest);
int ret = send_ipc_message(msg, port);
add_ipc_port(port, dest, IPC_PORT_DIRPRT, NULL);
put_ipc_port(port);
SAVE_PROFILE_INTERVAL(ipc_cld_join_send);
return ret;
}
static gboolean
stonith_client_connect(IPC_Channel *channel, gpointer user_data)
{
cl_uuid_t client_id;
xmlNode *reg_msg = NULL;
stonith_client_t *new_client = NULL;
char uuid_str[UU_UNPARSE_SIZEOF];
const char *channel_name = user_data;
crm_trace("Connecting channel");
CRM_CHECK(channel_name != NULL, return FALSE);
if (channel == NULL) {
crm_err("Channel was NULL");
return FALSE;
} else if (channel->ch_status != IPC_CONNECT) {
crm_err("Channel was disconnected");
return FALSE;
} else if(stonith_shutdown_flag) {
crm_info("Ignoring new client [%d] during shutdown",
channel->farside_pid);
return FALSE;
}
crm_malloc0(new_client, sizeof(stonith_client_t));
new_client->channel = channel;
new_client->channel_name = channel_name;
crm_trace("Created channel %p for channel %s",
new_client, new_client->channel_name);
channel->ops->set_recv_qlen(channel, 1024);
channel->ops->set_send_qlen(channel, 1024);
new_client->source = G_main_add_IPC_Channel(
G_PRIORITY_DEFAULT, channel, FALSE, stonith_client_callback,
new_client, stonith_client_destroy);
crm_trace("Channel %s connected for client %s",
new_client->channel_name, new_client->id);
cl_uuid_generate(&client_id);
cl_uuid_unparse(&client_id, uuid_str);
CRM_CHECK(new_client->id == NULL, crm_free(new_client->id));
new_client->id = crm_strdup(uuid_str);
/* make sure we can find ourselves later for sync calls
* redirected to the master instance
*/
g_hash_table_insert(client_list, new_client->id, new_client);
reg_msg = create_xml_node(NULL, "callback");
crm_xml_add(reg_msg, F_STONITH_OPERATION, CRM_OP_REGISTER);
crm_xml_add(reg_msg, F_STONITH_CLIENTID, new_client->id);
send_ipc_message(channel, reg_msg);
free_xml(reg_msg);
return TRUE;
}
int ipc_cld_profile_send (void)
{
IDTYPE dest;
struct shim_ipc_port * port = get_parent_port(&dest);
if (!port)
return -ESRCH;
unsigned long time = GET_PROFILE_INTERVAL();
int nsending = 0;
for (int i = 0 ; i < N_PROFILE ; i++)
switch (PROFILES[i].type) {
case OCCURENCE:
if (atomic_read(&PROFILES[i].val.occurence.count))
nsending++;
break;
case INTERVAL:
if (atomic_read(&PROFILES[i].val.interval.count))
nsending++;
break;
case CATAGORY:
break;
}
struct shim_ipc_msg * msg = create_ipc_msg_on_stack(
IPC_CLD_PROFILE,
sizeof(struct shim_ipc_cld_profile) +
sizeof(struct profile_val) *
nsending, dest);
struct shim_ipc_cld_profile * msgin =
(struct shim_ipc_cld_profile *) &msg->msg;
int nsent = 0;
for (int i = 0 ; i < N_PROFILE && nsent < nsending ; i++)
switch (PROFILES[i].type) {
case OCCURENCE: {
unsigned long count =
atomic_read(&PROFILES[i].val.occurence.count);
if (count) {
msgin->profile[nsent].idx = i + 1;
msgin->profile[nsent].val.occurence.count = count;
debug("send %s: %lu times\n", PROFILES[i].name, count);
nsent++;
}
break;
}
case INTERVAL: {
unsigned long count =
atomic_read(&PROFILES[i].val.interval.count);
if (count) {
msgin->profile[nsent].idx = i + 1;
msgin->profile[nsent].val.interval.count = count;
msgin->profile[nsent].val.interval.time =
atomic_read(&PROFILES[i].val.interval.time);
debug("send %s: %lu times, %lu msec\n", PROFILES[i].name,
count, msgin->profile[nsent].val.interval.time);
nsent++;
}
break;
}
case CATAGORY:
break;
}
msgin->time = time;
msgin->nprofile = nsent;
debug("ipc send to %u: IPC_CLD_PROFILE\n", dest);
int ret = send_ipc_message(msg, port);
put_ipc_port(port);
return ret;
}
void
cib_notify_client(gpointer key, gpointer value, gpointer user_data)
{
IPC_Channel *ipc_client = NULL;
HA_Message *update_msg = user_data;
cib_client_t *client = value;
const char *type = NULL;
gboolean is_pre = FALSE;
gboolean is_post = FALSE;
gboolean is_confirm = FALSE;
gboolean is_replace = FALSE;
gboolean is_diff = FALSE;
gboolean do_send = FALSE;
int qlen = 0;
int max_qlen = 0;
CRM_DEV_ASSERT(client != NULL);
CRM_DEV_ASSERT(update_msg != NULL);
type = cl_get_string(update_msg, F_SUBTYPE);
CRM_DEV_ASSERT(type != NULL);
if(client == NULL) {
crm_warn("Skipping NULL client");
return;
} else if(client->channel == NULL) {
crm_warn("Skipping client with NULL channel");
return;
} else if(client->name == NULL) {
crm_debug_2("Skipping unnammed client / comamnd channel");
return;
}
if(safe_str_eq(type, T_CIB_PRE_NOTIFY)) {
is_pre = TRUE;
} else if(safe_str_eq(type, T_CIB_POST_NOTIFY)) {
is_post = TRUE;
} else if(safe_str_eq(type, T_CIB_UPDATE_CONFIRM)) {
is_confirm = TRUE;
} else if(safe_str_eq(type, T_CIB_DIFF_NOTIFY)) {
is_diff = TRUE;
} else if(safe_str_eq(type, T_CIB_REPLACE_NOTIFY)) {
is_replace = TRUE;
}
ipc_client = client->channel;
qlen = ipc_client->send_queue->current_qlen;
max_qlen = ipc_client->send_queue->max_qlen;
#if 1
/* get_chan_status() causes memory to be allocated that isnt free'd
* until the message is read (which messes up the memory stats)
*/
if(ipc_client->ops->get_chan_status(ipc_client) != IPC_CONNECT) {
crm_debug_2("Skipping notification to disconnected"
" client %s/%s", client->name, client->id);
} else if(client->pre_notify && is_pre) {
if(qlen < (int)(0.4 * max_qlen)) {
do_send = TRUE;
} else {
crm_warn("Throttling pre-notifications due to"
" high load: queue=%d (max=%d)",
qlen, max_qlen);
}
} else if(client->post_notify && is_post) {
if(qlen < (int)(0.7 * max_qlen)) {
do_send = TRUE;
} else {
crm_warn("Throttling post-notifications due to"
" extreme load: queue=%d (max=%d)",
qlen, max_qlen);
}
/* these are critical */
} else
#endif
if(client->diffs && is_diff) {
do_send = TRUE;
} else if(client->confirmations && is_confirm) {
do_send = TRUE;
} else if(client->replace && is_replace) {
do_send = TRUE;
}
if(do_send) {
crm_debug_2("Notifying client %s/%s of %s update (queue=%d)",
client->name, client->channel_name, type, qlen);
if(ipc_client->send_queue->current_qlen >= ipc_client->send_queue->max_qlen) {
/* We never want the CIB to exit because our client is slow */
crm_crit("%s-notification of client %s/%s failed - queue saturated",
is_confirm?"Confirmation":is_post?"Post":"Pre",
client->name, client->id);
} else if(send_ipc_message(ipc_client, update_msg) == FALSE) {
crm_warn("Notification of client %s/%s failed",
client->name, client->id);
}
} else {
crm_debug_3("Client %s/%s not interested in %s notifications",
client->name, client->channel_name, type);
}
}
void
send_rsc_command(crm_action_t *action)
{
HA_Message *cmd = NULL;
crm_data_t *rsc_op = NULL;
char *counter = NULL;
const char *task = NULL;
const char *value = NULL;
const char *on_node = NULL;
const char *task_uuid = NULL;
CRM_ASSERT(action != NULL);
CRM_ASSERT(action->xml != NULL);
rsc_op = action->xml;
task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK);
task_uuid = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY);
on_node = crm_element_value(rsc_op, XML_LRM_ATTR_TARGET);
counter = generate_transition_key(
transition_graph->id, action->id, te_uuid);
crm_xml_add(rsc_op, XML_ATTR_TRANSITION_KEY, counter);
crm_info("Initiating action %d: %s on %s",
action->id, task_uuid, on_node);
crm_free(counter);
if(rsc_op != NULL) {
crm_log_xml_debug_2(rsc_op, "Performing");
}
cmd = create_request(CRM_OP_INVOKE_LRM, rsc_op, on_node,
CRM_SYSTEM_LRMD, CRM_SYSTEM_TENGINE, NULL);
#if 1
send_ipc_message(crm_ch, cmd);
#else
/* test the TE timer/recovery code */
if((action->id % 11) == 0) {
crm_err("Faking lost action %d: %s", action->id, task_uuid);
} else {
send_ipc_message(crm_ch, cmd);
}
#endif
crm_msg_del(cmd);
action->executed = TRUE;
value = g_hash_table_lookup(action->params, crm_meta_name(XML_ATTR_TE_NOWAIT));
if(crm_is_true(value)) {
crm_debug("Skipping wait for %d", action->id);
action->confirmed = TRUE;
update_graph(transition_graph, action);
trigger_graph();
} else if(action->timeout > 0) {
int action_timeout = (2 * action->timeout) + transition_graph->network_delay;
crm_debug_3("Setting timer for action %s", task_uuid);
if(transition_graph->transition_timeout < action_timeout) {
crm_debug("Action %d:"
" Increasing transition %d timeout to %d (2*%d + %d)",
action->id, transition_graph->id, action_timeout,
action->timeout, transition_graph->network_delay);
transition_graph->transition_timeout = action_timeout;
}
te_start_action_timer(action);
}
}
gboolean
cib_notify_client(gpointer key, gpointer value, gpointer user_data)
{
int qlen = 0;
int max_qlen = 500;
const char *type = NULL;
gboolean do_send = FALSE;
gboolean do_remote = FALSE;
IPC_Channel *ipc_client = NULL;
cib_client_t *client = value;
xmlNode *update_msg = user_data;
CRM_CHECK(client != NULL, return TRUE);
CRM_CHECK(update_msg != NULL, return TRUE);
if (client == NULL) {
crm_warn("Skipping NULL client");
return TRUE;
} else if (client->channel == NULL) {
crm_warn("Skipping client with NULL channel");
return FALSE;
} else if (client->name == NULL) {
crm_trace("Skipping unnammed client / comamnd channel");
return FALSE;
}
type = crm_element_value(update_msg, F_SUBTYPE);
ipc_client = client->channel;
do_remote = crm_str_eq(client->channel_name, "remote", FALSE);
if (do_remote == FALSE) {
qlen = ipc_client->send_queue->current_qlen;
max_qlen = ipc_client->send_queue->max_qlen;
}
CRM_LOG_ASSERT(type != NULL);
if (client->diffs && safe_str_eq(type, T_CIB_DIFF_NOTIFY)) {
do_send = TRUE;
} else if (client->replace && safe_str_eq(type, T_CIB_REPLACE_NOTIFY)) {
do_send = TRUE;
} else if (client->confirmations && safe_str_eq(type, T_CIB_UPDATE_CONFIRM)) {
do_send = TRUE;
} else if (client->pre_notify && safe_str_eq(type, T_CIB_PRE_NOTIFY)) {
if (qlen < (int)(0.4 * max_qlen)) {
do_send = TRUE;
} else {
crm_warn("Throttling pre-notifications due to"
" high load: queue=%d (max=%d)", qlen, max_qlen);
}
} else if (client->post_notify && safe_str_eq(type, T_CIB_POST_NOTIFY)) {
if (qlen < (int)(0.7 * max_qlen)) {
do_send = TRUE;
} else {
crm_warn("Throttling post-notifications due to"
" extreme load: queue=%d (max=%d)", qlen, max_qlen);
}
}
if (do_send) {
if (do_remote) {
crm_debug("Sent %s notification to client %s/%s", type, client->name, client->id);
cib_send_remote_msg(client->channel, update_msg, client->encrypted);
} else if (ipc_client->send_queue->current_qlen >= ipc_client->send_queue->max_qlen) {
/* We never want the CIB to exit because our client is slow */
crm_crit("%s-notification of client %s/%s failed - queue saturated",
type, client->name, client->id);
} else if (send_ipc_message(ipc_client, update_msg) == FALSE) {
crm_warn("Notification of client %s/%s failed", client->name, client->id);
return FALSE;
}
}
return FALSE;
}
gboolean
process_pe_message(xmlNode *msg, xmlNode *xml_data, IPC_Channel *sender)
{
gboolean send_via_disk = FALSE;
const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO);
const char *op = crm_element_value(msg, F_CRM_TASK);
const char *ref = crm_element_value(msg, XML_ATTR_REFERENCE);
crm_debug_3("Processing %s op (ref=%s)...", op, ref);
if(op == NULL) {
/* error */
} else if(strcasecmp(op, CRM_OP_HELLO) == 0) {
/* ignore */
} else if(safe_str_eq(crm_element_value(msg, F_CRM_MSG_TYPE),
XML_ATTR_RESPONSE)) {
/* ignore */
} else if(sys_to == NULL || strcasecmp(sys_to, CRM_SYSTEM_PENGINE) != 0) {
crm_debug_3("Bad sys-to %s", crm_str(sys_to));
return FALSE;
} else if(strcasecmp(op, CRM_OP_PECALC) == 0) {
int seq = -1;
int series_id = 0;
int series_wrap = 0;
char *filename = NULL;
char *graph_file = NULL;
const char *value = NULL;
pe_working_set_t data_set;
xmlNode *converted = NULL;
xmlNode *reply = NULL;
gboolean process = TRUE;
#if HAVE_BZLIB_H
gboolean compress = TRUE;
#else
gboolean compress = FALSE;
#endif
crm_config_error = FALSE;
crm_config_warning = FALSE;
was_processing_error = FALSE;
was_processing_warning = FALSE;
graph_file = crm_strdup(CRM_STATE_DIR"/graph.XXXXXX");
graph_file = mktemp(graph_file);
converted = copy_xml(xml_data);
if(cli_config_update(&converted, NULL, TRUE) == FALSE) {
set_working_set_defaults(&data_set);
data_set.graph = create_xml_node(NULL, XML_TAG_GRAPH);
crm_xml_add_int(data_set.graph, "transition_id", 0);
crm_xml_add_int(data_set.graph, "cluster-delay", 0);
process = FALSE;
}
if(process) {
do_calculations(&data_set, converted, NULL);
}
series_id = get_series();
series_wrap = series[series_id].wrap;
value = pe_pref(data_set.config_hash, series[series_id].param);
if(value != NULL) {
series_wrap = crm_int_helper(value, NULL);
if(errno != 0) {
series_wrap = series[series_id].wrap;
}
} else {
crm_config_warn("No value specified for cluster"
" preference: %s",
series[series_id].param);
}
seq = get_last_sequence(PE_STATE_DIR, series[series_id].name);
data_set.input = NULL;
reply = create_reply(msg, data_set.graph);
CRM_ASSERT(reply != NULL);
filename = generate_series_filename(
PE_STATE_DIR, series[series_id].name, seq, compress);
crm_xml_add(reply, F_CRM_TGRAPH_INPUT, filename);
crm_xml_add_int(reply, "graph-errors", was_processing_error);
crm_xml_add_int(reply, "graph-warnings", was_processing_warning);
crm_xml_add_int(reply, "config-errors", crm_config_error);
crm_xml_add_int(reply, "config-warnings", crm_config_warning);
if(send_ipc_message(sender, reply) == FALSE) {
if(sender && sender->ops->get_chan_status(sender) == IPC_CONNECT) {
send_via_disk = TRUE;
crm_err("Answer could not be sent via IPC, send via the disk instead");
crm_info("Writing the TE graph to %s", graph_file);
if(write_xml_file(data_set.graph, graph_file, FALSE) < 0) {
crm_err("TE graph could not be written to disk");
}
} else {
crm_info("Peer disconnected, discarding transition graph");
}
}
free_xml(reply);
cleanup_alloc_calculations(&data_set);
if(series_wrap != 0) {
write_xml_file(xml_data, filename, compress);
write_last_sequence(PE_STATE_DIR, series[series_id].name,
seq+1, series_wrap);
}
if(was_processing_error) {
crm_err("Transition %d:"
" ERRORs found during PE processing."
" PEngine Input stored in: %s",
transition_id, filename);
} else if(was_processing_warning) {
crm_warn("Transition %d:"
" WARNINGs found during PE processing."
" PEngine Input stored in: %s",
transition_id, filename);
} else {
crm_info("Transition %d: PEngine Input stored in: %s",
transition_id, filename);
}
if(crm_config_error) {
crm_info("Configuration ERRORs found during PE processing."
" Please run \"crm_verify -L\" to identify issues.");
} else if(crm_config_warning) {
crm_info("Configuration WARNINGs found during PE processing."
" Please run \"crm_verify -L\" to identify issues.");
}
if(send_via_disk) {
reply = create_reply(msg, NULL);
crm_xml_add(reply, F_CRM_TGRAPH, graph_file);
crm_xml_add(reply, F_CRM_TGRAPH_INPUT, filename);
CRM_ASSERT(reply != NULL);
if(send_ipc_message(sender, reply) == FALSE) {
crm_err("Answer could not be sent");
}
free_xml(reply);
}
free_xml(converted);
crm_free(graph_file);
crm_free(filename);
} else if(strcasecmp(op, CRM_OP_QUIT) == 0) {
crm_warn("Received quit message, terminating");
exit(0);
}
return TRUE;
}
int
main(int argc, char **argv)
{
int flag;
int argerr = 0;
gboolean allow_cores = TRUE;
IPC_Channel *old_instance = NULL;
crm_system_name = CRM_SYSTEM_PENGINE;
mainloop_add_signal(SIGTERM, pengine_shutdown);
while ((flag = getopt(argc, argv, OPTARGS)) != EOF) {
switch (flag) {
case 'V':
alter_debug(DEBUG_INC);
break;
case 'h': /* Help message */
usage(crm_system_name, LSB_EXIT_OK);
break;
case 'c':
allow_cores = TRUE;
break;
default:
++argerr;
break;
}
}
if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) {
pe_metadata();
return 0;
}
if (optind > argc) {
++argerr;
}
if (argerr) {
usage(crm_system_name, LSB_EXIT_GENERIC);
}
crm_log_init(NULL, LOG_NOTICE, TRUE, FALSE, argc, argv);
if (crm_is_writable(PE_STATE_DIR, NULL, CRM_DAEMON_USER, CRM_DAEMON_GROUP, FALSE) == FALSE) {
crm_err("Bad permissions on " PE_STATE_DIR ". Terminating");
fprintf(stderr, "ERROR: Bad permissions on " PE_STATE_DIR ". See logs for details\n");
fflush(stderr);
return 100;
}
ipc_server = crm_strdup(CRM_SYSTEM_PENGINE);
/* find any previous instances and shut them down */
crm_debug("Checking for old instances of %s", crm_system_name);
old_instance = init_client_ipc_comms_nodispatch(CRM_SYSTEM_PENGINE);
while (old_instance != NULL) {
xmlNode *cmd =
create_request(CRM_OP_QUIT, NULL, NULL, CRM_SYSTEM_PENGINE, CRM_SYSTEM_PENGINE, NULL);
crm_warn("Terminating previous PE instance");
send_ipc_message(old_instance, cmd);
free_xml(cmd);
sleep(2);
old_instance->ops->destroy(old_instance);
old_instance = init_client_ipc_comms_nodispatch(CRM_SYSTEM_PENGINE);
}
crm_debug("Init server comms");
if (init_server_ipc_comms(ipc_server, pe_client_connect, default_ipc_connection_destroy)) {
crm_err("Couldn't start IPC server");
return 1;
}
/* Create the mainloop and run it... */
crm_info("Starting %s", crm_system_name);
mainloop = g_main_new(FALSE);
g_main_run(mainloop);
#if HAVE_LIBXML2
crm_xml_cleanup();
#endif
crm_info("Exiting %s", crm_system_name);
return 0;
}
int
do_work(void)
{
int ret = 1;
/* construct the request */
xmlNode *msg_data = NULL;
gboolean all_is_good = TRUE;
msg_options = create_xml_node(NULL, XML_TAG_OPTIONS);
crm_xml_add(msg_options, XML_ATTR_VERBOSE, admin_verbose);
crm_xml_add(msg_options, XML_ATTR_TIMEOUT, "0");
if (DO_HEALTH == TRUE) {
crm_debug_2("Querying the system");
sys_to = CRM_SYSTEM_DC;
if (dest_node != NULL) {
sys_to = CRM_SYSTEM_CRMD;
crmd_operation = CRM_OP_PING;
if (BE_VERBOSE) {
expected_responses = 1;
}
crm_xml_add(msg_options, XML_ATTR_TIMEOUT, "0");
} else {
crm_info("Cluster-wide health not available yet");
all_is_good = FALSE;
}
} else if (DO_ELECT_DC) {
/* tell the local node to initiate an election */
sys_to = CRM_SYSTEM_CRMD;
crmd_operation = CRM_OP_VOTE;
crm_xml_add(msg_options, XML_ATTR_TIMEOUT, "0");
dest_node = NULL;
ret = 0; /* no return message */
} else if (DO_WHOIS_DC) {
sys_to = CRM_SYSTEM_DC;
crmd_operation = CRM_OP_PING;
crm_xml_add(msg_options, XML_ATTR_TIMEOUT, "0");
dest_node = NULL;
} else if (DO_NODE_LIST) {
cib_t *the_cib = cib_new();
xmlNode *output = NULL;
enum cib_errors rc = the_cib->cmds->signon(the_cib, crm_system_name, cib_command);
if (rc != cib_ok) {
return -1;
}
output = get_cib_copy(the_cib);
do_find_node_list(output);
free_xml(output);
the_cib->cmds->signoff(the_cib);
exit(rc);
} else if (DO_RESET) {
/* tell dest_node to initiate the shutdown proceedure
*
* if dest_node is NULL, the request will be sent to the
* local node
*/
sys_to = CRM_SYSTEM_CRMD;
crm_xml_add(msg_options, XML_ATTR_TIMEOUT, "0");
ret = 0; /* no return message */
} else if (DO_DEBUG == debug_inc) {
/* tell dest_node to increase its debug level
*
* if dest_node is NULL, the request will be sent to the
* local node
*/
sys_to = CRM_SYSTEM_CRMD;
crmd_operation = CRM_OP_DEBUG_UP;
ret = 0; /* no return message */
} else if (DO_DEBUG == debug_dec) {
/* tell dest_node to increase its debug level
*
* if dest_node is NULL, the request will be sent to the
* local node
*/
sys_to = CRM_SYSTEM_CRMD;
crmd_operation = CRM_OP_DEBUG_DOWN;
ret = 0; /* no return message */
} else {
crm_err("Unknown options");
all_is_good = FALSE;
}
if (all_is_good == FALSE) {
crm_err("Creation of request failed. No message to send");
return -1;
}
/* send it */
if (crmd_channel == NULL) {
crm_err("The IPC connection is not valid, cannot send anything");
return -1;
}
if (sys_to == NULL) {
if (dest_node != NULL) {
sys_to = CRM_SYSTEM_CRMD;
} else {
sys_to = CRM_SYSTEM_DC;
}
}
{
xmlNode *cmd = create_request(crmd_operation, msg_data, dest_node, sys_to,
crm_system_name, admin_uuid);
send_ipc_message(crmd_channel, cmd);
free_xml(cmd);
}
return ret;
}
