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diff --git a/lrmd/main.c b/lrmd/main.c
index 605a42104b..8467b5bfd1 100644
--- a/lrmd/main.c
+++ b/lrmd/main.c
@@ -1,259 +1,297 @@
/*
* Copyright (c) 2012 David Vossel <dvossel@redhat.com>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <crm_internal.h>
#include <glib.h>
#include <unistd.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/services.h>
#include <crm/common/mainloop.h>
#include <crm/common/ipc.h>
#include <lrmd_private.h>
GMainLoop *mainloop = NULL;
qb_ipcs_service_t *ipcs = NULL;
stonith_t *stonith_api = NULL;
stonith_t *
get_stonith_connection(void)
{
if (stonith_api && stonith_api->state == stonith_disconnected) {
stonith_api_delete(stonith_api);
stonith_api = NULL;
}
if (!stonith_api) {
int rc = 0;
int tries = 10;
stonith_api = stonith_api_new();
do {
rc = stonith_api->cmds->connect(stonith_api, "lrmd", NULL);
if (rc == pcmk_ok) {
break;
}
sleep(1);
tries--;
} while (tries);
if (rc) {
crm_err("Unable to connect to stonith daemon to execute command. error: %s",
pcmk_strerror(rc));
stonith_api_delete(stonith_api);
stonith_api = NULL;
}
}
return stonith_api;
}
static int32_t
lrmd_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid)
{
struct qb_ipcs_connection_stats stats = { 0, };
qb_ipcs_connection_stats_get(c, &stats, 1);
crm_info("Accepting client connection: %p pid=%d for uid=%d gid=%d",
c, stats.client_pid, uid, gid);
return 0;
}
static void
lrmd_ipc_created(qb_ipcs_connection_t * c)
{
lrmd_client_t *new_client = NULL;
new_client = calloc(1, sizeof(lrmd_client_t));
new_client->channel = c;
new_client->id = crm_generate_uuid();
crm_trace("LRMD client connection established. %p id: %s", c, new_client->id);
g_hash_table_insert(client_list, new_client->id, new_client);
qb_ipcs_context_set(c, new_client);
}
static int32_t
lrmd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size)
{
xmlNode *request = crm_ipcs_recv(c, data, size);
lrmd_client_t *client = (lrmd_client_t *) qb_ipcs_context_get(c);
CRM_CHECK(client != NULL, crm_err("Invalid client");
return FALSE);
CRM_CHECK(client->id != NULL, crm_err("Invalid client: %p", client);
return FALSE);
if (!request) {
return 0;
}
if (!client->name) {
const char *value = crm_element_value(request, F_LRMD_CLIENTNAME);
if (value == NULL) {
client->name = crm_itoa(crm_ipcs_client_pid(c));
} else {
client->name = strdup(value);
}
}
crm_xml_add(request, F_LRMD_CLIENTID, client->id);
crm_xml_add(request, F_LRMD_CLIENTNAME, client->name);
process_lrmd_message(client, request);
free_xml(request);
return 0;
}
static int32_t
lrmd_ipc_closed(qb_ipcs_connection_t * c)
{
lrmd_client_t *client = (lrmd_client_t *) qb_ipcs_context_get(c);
int found = 0;
if (!client) {
crm_err("No client for ipc");
return 0;
}
if (client->id) {
found = g_hash_table_remove(client_list, client->id);
}
if (!found) {
crm_err("Asked to remove unknown client with id %d", client->id);
}
return 0;
}
static void
lrmd_ipc_destroy(qb_ipcs_connection_t * c)
{
lrmd_client_t *client = (lrmd_client_t *) qb_ipcs_context_get(c);
if (!client) {
crm_err("No client for ipc");
return;
}
crm_info("LRMD client disconnecting %p - name: %s id: %s", c, client->name, client->id);
qb_ipcs_context_set(c, NULL);
free(client->name);
free(client->id);
free(client);
}
static struct qb_ipcs_service_handlers lrmd_ipc_callbacks = {
.connection_accept = lrmd_ipc_accept,
.connection_created = lrmd_ipc_created,
.msg_process = lrmd_ipc_dispatch,
.connection_closed = lrmd_ipc_closed,
.connection_destroyed = lrmd_ipc_destroy
};
void
lrmd_shutdown(int nsig)
{
crm_info("Terminating with %d clients", g_hash_table_size(client_list));
if (ipcs) {
mainloop_del_ipc_server(ipcs);
}
exit(0);
}
static int
try_server_create(void)
{
int tries = 10;
/*
* This should complete on the first iteration. The only
* known reason for why this would fail is if another lrmd process
* already exists on the system. To avoid this situation
* we attempt to connect to the old lrmd process and shut it down
* using the client library.
*/
do {
ipcs = mainloop_add_ipc_server(CRM_SYSTEM_LRMD, QB_IPC_SHM, &lrmd_ipc_callbacks);
if (ipcs == NULL) {
xmlNode *reply = NULL;
xmlNode *hello = create_xml_node(NULL, "lrmd_command");
crm_ipc_t *ipc = crm_ipc_new("lrmd", 0);
if (ipc && crm_ipc_connect(ipc)) {
crm_xml_add(hello, F_TYPE, T_LRMD);
crm_xml_add(hello, F_LRMD_OPERATION, CRM_OP_QUIT);
crm_xml_add(hello, F_LRMD_CLIENTNAME, "new_lrmd");
crm_ipc_send(ipc, hello, &reply, -1);
crm_ipc_close(ipc);
crm_ipc_destroy(ipc);
}
free_xml(reply);
free_xml(hello);
crm_err
("New IPC server could not be created because another lrmd process exists, sending shutdown command to old lrmd process.");
}
tries--;
} while (!ipcs && tries);
return ipcs ? 0 : -1;
}
+/* *INDENT-OFF* */
+static struct crm_option long_options[] = {
+ /* Top-level Options */
+ {"help", 0, 0, '?', "\tThis text"},
+ {"version", 0, 0, '$', "\tVersion information" },
+ {"verbose", 0, 0, 'V', "\tIncrease debug output"},
+
+ {"logfile", 1, 0, 'l', "\tSend logs to the additional named logfile"},
+ {0, 0, 0, 0}
+};
+/* *INDENT-ON* */
+
int
main(int argc, char **argv)
{
int rc = 0;
+ int flag = 0;
+ int index = 0;
crm_log_init("lrmd", LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
+ crm_set_options(NULL, "[options]", long_options, "Daemon for controlling services confirming to different standards");
+
+ while (1) {
+ flag = crm_get_option(argc, argv, &index);
+ if (flag == -1) {
+ break;
+ }
+
+ switch (flag) {
+ case 'l':
+ crm_add_logfile(optarg);
+ break;
+ case 'V':
+ set_crm_log_level(crm_log_level+1);
+ break;
+ case '?':
+ case '$':
+ crm_help(flag, EX_OK);
+ break;
+ default:
+ crm_help('?', EX_USAGE);
+ break;
+ }
+ }
rsc_list = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, free_rsc);
client_list = g_hash_table_new(crm_str_hash, g_str_equal);
if (try_server_create()) {
crm_err("Failed to allocate lrmd server. shutting down");
exit(-1);
}
mainloop_add_signal(SIGTERM, lrmd_shutdown);
mainloop = g_main_new(FALSE);
crm_info("Starting");
g_main_run(mainloop);
mainloop_del_ipc_server(ipcs);
g_hash_table_destroy(client_list);
g_hash_table_destroy(rsc_list);
if (stonith_api) {
stonith_api->cmds->disconnect(stonith_api);
stonith_api_delete(stonith_api);
}
return rc;
}

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