static int q_lib_init(void)
{
votequorum_callbacks_t vq_callbacks;
quorum_callbacks_t q_callbacks;
int ret = 0;
int retry = 3;
int fd;
if (vq_handle == 0) {
qb_log (LOG_INFO, "votequorum_initialize");
vq_callbacks.votequorum_notify_fn = votequorum_notification_fn;
vq_callbacks.votequorum_expectedvotes_notify_fn = NULL;
ret = CS_ERR_NOT_EXIST;
while (ret == CS_ERR_NOT_EXIST && retry > 0) {
ret = votequorum_initialize (&vq_handle, &vq_callbacks);
if (ret == CS_ERR_NOT_EXIST) {
sleep (1);
retry--;
}
}
if (ret != CS_OK) {
qb_log (LOG_ERR, "votequorum_initialize FAILED: %d", ret);
vq_handle = 0;
}
else {
ret = votequorum_trackstart (vq_handle, vq_handle, CS_TRACK_CHANGES);
if (ret != CS_OK) {
qb_log (LOG_ERR, "votequorum_trackstart FAILED: %d", ret);
}
votequorum_fd_get (vq_handle, &fd);
qb_loop_poll_add (ta_poll_handle_get(), QB_LOOP_MED, fd,
POLLIN|POLLNVAL, NULL, vq_dispatch_wrapper_fn);
}
}
if (q_handle == 0) {
uint32_t q_type;
qb_log (LOG_INFO, "quorum_initialize");
q_callbacks.quorum_notify_fn = quorum_notification_fn;
ret = quorum_initialize (&q_handle, &q_callbacks, &q_type);
if (ret != CS_OK) {
qb_log (LOG_ERR, "quorum_initialize FAILED: %d", ret);
q_handle = 0;
}
else {
ret = quorum_trackstart (q_handle, CS_TRACK_CHANGES);
if (ret != CS_OK) {
qb_log (LOG_ERR, "quorum_trackstart FAILED: %d", ret);
}
quorum_fd_get (q_handle, &fd);
qb_loop_poll_add (ta_poll_handle_get(), QB_LOOP_MED, fd,
POLLIN|POLLNVAL, NULL, q_dispatch_wrapper_fn);
}
}
return ret;
}
int main(int argc, char *argv[])
{
int ret = 0;
#ifdef EXPERIMENTAL_QUORUM_DEVICE_API
int pollcount=0, polltime=1;
int err;
if ( (err=votequorum_initialize(&handle, NULL)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d\n", err);
return -1;
}
print_info(1);
if (argc >= 2 && atoi(argv[1])) {
pollcount = atoi(argv[1]);
}
if (argc >= 3 && atoi(argv[2])) {
polltime = atoi(argv[2]);
}
if (argc >= 2) {
if ( (err=votequorum_qdevice_register(handle, "QDEVICE")) != CS_OK) {
fprintf(stderr, "qdevice_register FAILED: %d\n", err);
ret = -1;
goto out;
}
while (pollcount--) {
print_info(0);
if ((err=votequorum_qdevice_poll(handle, "QDEVICE", 1)) != CS_OK) {
fprintf(stderr, "qdevice poll FAILED: %d\n", err);
ret = -1;
goto out;
}
print_info(0);
sleep(polltime);
}
if ((err= votequorum_qdevice_unregister(handle, "QDEVICE")) != CS_OK) {
fprintf(stderr, "qdevice unregister FAILED: %d\n", err);
ret = -1;
goto out;
}
}
print_info(1);
out:
votequorum_finalize(handle);
#else
fprintf(stderr, "qdevice support is not built in corosync/votequorum\n");
#endif
return ret;
}
static int init_all(void) {
cmap_handle = 0;
q_handle = 0;
v_handle = 0;
c_handle = 0;
if (cmap_initialize(&cmap_handle) != CS_OK) {
fprintf(stderr, "Cannot initialize CMAP service\n");
cmap_handle = 0;
goto out;
}
if (quorum_initialize(&q_handle, &q_callbacks, &q_type) != CS_OK) {
fprintf(stderr, "Cannot initialize QUORUM service\n");
q_handle = 0;
goto out;
}
if (corosync_cfg_initialize(&c_handle, &c_callbacks) != CS_OK) {
fprintf(stderr, "Cannot initialise CFG service\n");
c_handle = 0;
goto out;
}
if (using_votequorum() <= 0) {
return 0;
}
if (votequorum_initialize(&v_handle, &v_callbacks) != CS_OK) {
fprintf(stderr, "Cannot initialise VOTEQUORUM service\n");
v_handle = 0;
goto out;
}
if (cmap_get_uint32(cmap_handle, "runtime.votequorum.this_node_id", &our_nodeid) != CS_OK) {
fprintf(stderr, "Unable to retrieve this_node_id\n");
goto out;
}
return 0;
out:
return -1;
}
static int set_expected(int expected_votes)
{
votequorum_handle_t v_handle;
votequorum_callbacks_t v_callbacks;
int err;
v_callbacks.votequorum_notify_fn = NULL;
v_callbacks.votequorum_expectedvotes_notify_fn = NULL;
if ( (err=votequorum_initialize(&v_handle, &v_callbacks)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d, this is probably a configuration error\n", err);
return err;
}
if ( (err=votequorum_setexpected(v_handle, expected_votes)) != CS_OK)
fprintf(stderr, "set expected votes FAILED: %d\n", err);
votequorum_finalize(v_handle);
return err==CS_OK?0:err;
}
int main(int argc, char *argv[])
{
int ret = 0;
int cast_vote = 1, master_wins = 0;
int pollcount=0, polltime=1, quiet=0, once=0;
int err;
int opt;
const char *devicename = "QDEVICE";
const char *options = "n:p:t:cmq1h";
while ((opt = getopt(argc, argv, options)) != -1) {
switch (opt) {
case 'm':
master_wins = 1;
break;
case 'c':
cast_vote = 1;
break;
case '1':
once = 1;
break;
case 'q':
quiet = 1;
break;
case 'p':
pollcount = atoi(optarg)+1;
break;
case 'n':
devicename = strdup(optarg);
break;
case 't':
polltime = atoi(optarg);
break;
case 'h':
usage(argv[0]);
exit(0);
}
}
if ( (err=votequorum_initialize(&handle, NULL)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d\n", err);
return -1;
}
if (quiet && once) {
fprintf(stderr, "setting both -q (quet) and -1 (once) makes no sense\n");
usage(argv[0]);
exit(1);
}
if (!quiet) {
print_info(1);
}
if (once) {
exit(0);
}
if (argc >= 2) {
if ( (err=votequorum_qdevice_register(handle, devicename)) != CS_OK) {
fprintf(stderr, "qdevice_register FAILED: %d\n", err);
ret = -1;
goto out;
}
if ( (err=votequorum_qdevice_master_wins(handle, devicename, master_wins)) != CS_OK) {
fprintf(stderr, "qdevice_master_wins FAILED: %d\n", err);
ret = -1;
goto out;
}
while (--pollcount) {
if (!quiet) print_info(0);
if ((err=votequorum_qdevice_poll(handle, devicename, cast_vote)) != CS_OK) {
fprintf(stderr, "qdevice poll FAILED: %d\n", err);
ret = -1;
goto out;
}
if (!quiet) print_info(0);
sleep(polltime);
}
if ((err= votequorum_qdevice_unregister(handle, devicename)) != CS_OK) {
fprintf(stderr, "qdevice unregister FAILED: %d\n", err);
ret = -1;
goto out;
}
}
if (!quiet) print_info(1);
out:
votequorum_finalize(handle);
return ret;
}
static int show_nodes(nodeid_format_t nodeid_format, name_format_t name_format)
{
quorum_handle_t q_handle = 0;
votequorum_handle_t v_handle = 0;
corosync_cfg_handle_t c_handle = 0;
corosync_cfg_callbacks_t c_callbacks;
int i;
int using_vq = 0;
quorum_callbacks_t q_callbacks;
votequorum_callbacks_t v_callbacks;
int err;
int result = EXIT_FAILURE;
q_callbacks.quorum_notify_fn = quorum_notification_fn;
err=quorum_initialize(&q_handle, &q_callbacks);
if (err != CS_OK) {
fprintf(stderr, "Cannot connect to quorum service, is it loaded?\n");
return result;
}
v_callbacks.votequorum_notify_fn = NULL;
v_callbacks.votequorum_expectedvotes_notify_fn = NULL;
using_vq = using_votequorum();
if (using_vq) {
if ( (err=votequorum_initialize(&v_handle, &v_callbacks)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d, this is probably a configuration error\n", err);
v_handle = 0;
goto err_exit;
}
}
err = quorum_trackstart(q_handle, CS_TRACK_CURRENT);
if (err != CS_OK) {
fprintf(stderr, "quorum_trackstart FAILED: %d\n", err);
goto err_exit;
}
g_called = 0;
while (g_called == 0)
quorum_dispatch(q_handle, CS_DISPATCH_ONE);
quorum_finalize(q_handle);
q_handle = 0;
err = corosync_cfg_initialize(&c_handle, &c_callbacks);
if (err != CS_OK) {
fprintf(stderr, "Cannot initialise CFG service\n");
c_handle = 0;
goto err_exit;
}
if (using_vq)
printf("Nodeid Votes Name\n");
else
printf("Nodeid Name\n");
for (i=0; i < g_view_list_entries; i++) {
if (nodeid_format == NODEID_FORMAT_DECIMAL) {
printf("%4u ", g_view_list[i]);
}
else {
printf("0x%04x ", g_view_list[i]);
}
if (using_vq) {
printf("%3d %s\n", get_votes(v_handle, g_view_list[i]), node_name(c_handle, g_view_list[i], name_format));
}
else {
printf("%s\n", node_name(c_handle, g_view_list[i], name_format));
}
}
result = EXIT_SUCCESS;
err_exit:
if (q_handle != 0) {
quorum_finalize (q_handle);
}
if (using_vq && v_handle != 0) {
votequorum_finalize (v_handle);
}
if (c_handle != 0) {
corosync_cfg_finalize (c_handle);
}
return result;
}
static void show_status(void)
{
quorum_handle_t q_handle;
votequorum_handle_t v_handle;
votequorum_callbacks_t v_callbacks;
quorum_callbacks_t callbacks;
struct votequorum_info info;
int is_quorate;
int err;
callbacks.quorum_notify_fn = quorum_notification_fn;
err=quorum_initialize(&q_handle, &callbacks);
if (err != CS_OK) {
fprintf(stderr, "Cannot connect to quorum service, is it loaded?\n");
return;
}
err=quorum_getquorate(q_handle, &is_quorate);
if (err != CS_OK) {
fprintf(stderr, "quorum_getquorate FAILED: %d\n", err);
return;
}
err=quorum_trackstart(q_handle, CS_TRACK_CURRENT);
if (err != CS_OK) {
fprintf(stderr, "quorum_trackstart FAILED: %d\n", err);
return;
}
g_called = 0;
while (g_called == 0)
quorum_dispatch(q_handle, CS_DISPATCH_ONE);
quorum_finalize(q_handle);
printf("Version: %s\n", VERSION);
printf("Nodes: %d\n", g_view_list_entries);
printf("Ring ID: %" PRIu64 "\n", g_ring_id);
printf("Quorum type: %s\n", get_quorum_type());
printf("Quorate: %s\n", is_quorate?"Yes":"No");
if (using_votequorum()) {
v_callbacks.votequorum_notify_fn = NULL;
v_callbacks.votequorum_expectedvotes_notify_fn = NULL;
if ( (err=votequorum_initialize(&v_handle, &v_callbacks)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d, this is probably a configuration error\n", err);
goto err_exit;
}
if ( (err=votequorum_getinfo(v_handle, 0, &info)) != CS_OK)
fprintf(stderr, "votequorum_getinfo FAILED: %d\n", err);
else {
printf("Node votes: %d\n", info.node_votes);
printf("Expected votes: %d\n", info.node_expected_votes);
printf("Highest expected: %d\n", info.highest_expected);
printf("Total votes: %d\n", info.total_votes);
printf("Quorum: %d %s\n", info.quorum, info.flags & VOTEQUORUM_INFO_FLAG_QUORATE?" ":"Activity blocked");
printf("Flags: ");
if (info.flags & VOTEQUORUM_INFO_FLAG_HASSTATE) printf("HasState ");
if (info.flags & VOTEQUORUM_INFO_FLAG_DISALLOWED) printf("DisallowedNodes ");
if (info.flags & VOTEQUORUM_INFO_FLAG_TWONODE) printf("2Node ");
if (info.flags & VOTEQUORUM_INFO_FLAG_QUORATE) printf("Quorate ");
printf("\n");
}
}
err_exit:
return;
}
int main(int argc, char *argv[])
{
int ret = 0;
int cast_vote = 1, master_wins = 0;
int pollcount=0, polltime=1, quiet=0, once=0;
int send_old_ringid = 0;
int err;
int opt;
votequorum_callbacks_t callbacks;
const char *devicename = "QDEVICE";
const char *options = "F:n:p:t:cmq1h";
memset(&callbacks, 0, sizeof(callbacks));
callbacks.votequorum_notify_fn = votequorum_notification_fn;
while ((opt = getopt(argc, argv, options)) != -1) {
switch (opt) {
case 'm':
master_wins = 1;
break;
case 'c':
cast_vote = 1;
break;
case '1':
once = 1;
break;
case 'q':
quiet = 1;
break;
case 'F':
send_old_ringid = atoi(optarg)+1;
break;
case 'p':
pollcount = atoi(optarg)+1;
break;
case 'n':
devicename = strdup(optarg);
break;
case 't':
polltime = atoi(optarg);
break;
case 'h':
usage(argv[0]);
exit(0);
}
}
if ( (err=votequorum_initialize(&handle, &callbacks)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d\n", err);
return -1;
}
if (quiet && once) {
fprintf(stderr, "setting both -q (quet) and -1 (once) makes no sense\n");
usage(argv[0]);
exit(1);
}
if (!quiet) {
print_info(1);
}
if (once) {
exit(0);
}
if (argc >= 2) {
if ( (err = votequorum_trackstart(handle, handle, CS_TRACK_CHANGES)) != CS_OK) {
fprintf(stderr, "votequorum_trackstart FAILED: %d\n", err);
ret = -1;
goto out;
}
if ( (err=votequorum_qdevice_register(handle, devicename)) != CS_OK) {
fprintf(stderr, "qdevice_register FAILED: %d\n", err);
ret = -1;
goto out;
}
if ( (err=votequorum_qdevice_master_wins(handle, devicename, master_wins)) != CS_OK) {
fprintf(stderr, "qdevice_master_wins FAILED: %d\n", err);
ret = -1;
goto out;
}
while (--pollcount) {
if (votequorum_dispatch(handle, CS_DISPATCH_ALL) != CS_OK) {
fprintf(stderr, "votequorum_dispatch error\n");
ret = -1;
goto out;
}
if (!quiet) print_info(0);
if (no_sent_old_ringid + 1 >= send_old_ringid) {
/*
* Finally send correct ringid
*/
memcpy(&ring_id_to_send, &last_received_ring_id, sizeof(ring_id_to_send));
} else {
no_sent_old_ringid++;
}
if ((err=votequorum_qdevice_poll(handle, devicename, cast_vote, ring_id_to_send)) != CS_OK &&
err != CS_ERR_MESSAGE_ERROR) {
fprintf(stderr, "qdevice poll FAILED: %d\n", err);
ret = -1;
goto out;
}
if (err == CS_ERR_MESSAGE_ERROR) {
fprintf(stderr, "qdevice poll passed OLD ring_id\n");
}
if (!quiet) print_info(0);
sleep(polltime);
}
if ((err= votequorum_qdevice_unregister(handle, devicename)) != CS_OK) {
fprintf(stderr, "qdevice unregister FAILED: %d\n", err);
ret = -1;
goto out;
}
}
if (!quiet) print_info(1);
out:
votequorum_finalize(handle);
return ret;
}
int main(int argc, char *argv[])
{
int ret = 0;
int cast_vote = 1, master_wins = 1;
int pollcount=0, polltime=1;
int err;
if ( (err=votequorum_initialize(&handle, NULL)) != CS_OK) {
fprintf(stderr, "votequorum_initialize FAILED: %d\n", err);
return -1;
}
print_info(1);
if (argc >= 2 && atoi(argv[1])) {
pollcount = atoi(argv[1]);
}
if (argc >= 3 && atoi(argv[2])) {
polltime = atoi(argv[2]);
}
if (argc >= 4) {
cast_vote = atoi(argv[3]);
}
if (argc >= 5) {
master_wins = atoi(argv[4]);
}
if (argc >= 2) {
if ( (err=votequorum_qdevice_register(handle, "QDEVICE")) != CS_OK) {
fprintf(stderr, "qdevice_register FAILED: %d\n", err);
ret = -1;
goto out;
}
if ( (err=votequorum_qdevice_master_wins(handle, "QDEVICE", master_wins)) != CS_OK) {
fprintf(stderr, "qdevice_master_wins FAILED: %d\n", err);
ret = -1;
goto out;
}
while (pollcount--) {
print_info(0);
if ((err=votequorum_qdevice_poll(handle, "QDEVICE", cast_vote)) != CS_OK) {
fprintf(stderr, "qdevice poll FAILED: %d\n", err);
ret = -1;
goto out;
}
print_info(0);
sleep(polltime);
}
if ((err= votequorum_qdevice_unregister(handle, "QDEVICE")) != CS_OK) {
fprintf(stderr, "qdevice unregister FAILED: %d\n", err);
ret = -1;
goto out;
}
}
print_info(1);
out:
votequorum_finalize(handle);
return ret;
}
int main(int argc, char *argv[])
{
struct votequorum_info info;
votequorum_callbacks_t callbacks;
int err;
if (argc > 1 && strcmp(argv[1], "-h")==0) {
fprintf(stderr, "usage: %s [new-expected] [new-votes]\n", argv[0]);
return 0;
}
callbacks.votequorum_notify_fn = votequorum_notification_fn;
callbacks.votequorum_expectedvotes_notify_fn = votequorum_expectedvotes_notification_fn;
if ( (err=votequorum_initialize(&g_handle, &callbacks)) != CS_OK)
fprintf(stderr, "votequorum_initialize FAILED: %d\n", err);
if ( (err = votequorum_trackstart(g_handle, g_handle, CS_TRACK_CHANGES)) != CS_OK)
fprintf(stderr, "votequorum_trackstart FAILED: %d\n", err);
if ( (err=votequorum_getinfo(g_handle, 0, &info)) != CS_OK)
fprintf(stderr, "votequorum_getinfo FAILED: %d\n", err);
else {
printf("node votes %d\n", info.node_votes);
printf("expected votes %d\n", info.node_expected_votes);
printf("highest expected %d\n", info.highest_expected);
printf("total votes %d\n", info.total_votes);
printf("quorum %d\n", info.quorum);
printf("flags ");
if (info.flags & VOTEQUORUM_INFO_FLAG_TWONODE) printf("2Node ");
if (info.flags & VOTEQUORUM_INFO_FLAG_QUORATE) printf("Quorate ");
if (info.flags & VOTEQUORUM_INFO_WAIT_FOR_ALL) printf("WaitForAll ");
if (info.flags & VOTEQUORUM_INFO_LAST_MAN_STANDING) printf("LastManStanding ");
if (info.flags & VOTEQUORUM_INFO_AUTO_TIE_BREAKER) printf("AutoTieBreaker ");
if (info.flags & VOTEQUORUM_INFO_LEAVE_REMOVE) printf("LeaveRemove ");
printf("\n");
}
if (argc >= 2 && atoi(argv[1])) {
if ( (err=votequorum_setexpected(g_handle, atoi(argv[1]))) != CS_OK)
fprintf(stderr, "set expected votes FAILED: %d\n", err);
}
if (argc >= 3 && atoi(argv[2])) {
if ( (err=votequorum_setvotes(g_handle, 0, atoi(argv[2]))) != CS_OK)
fprintf(stderr, "set votes FAILED: %d\n", err);
}
if (argc >= 2) {
if ( (err=votequorum_getinfo(g_handle, 0, &info)) != CS_OK)
fprintf(stderr, "votequorum_getinfo2 FAILED: %d\n", err);
else {
printf("-------------------\n");
printf("node votes %d\n", info.node_votes);
printf("expected votes %d\n", info.node_expected_votes);
printf("highest expected %d\n", info.highest_expected);
printf("total votes %d\n", info.total_votes);
printf("votequorum %d\n", info.quorum);
printf("flags ");
if (info.flags & VOTEQUORUM_INFO_FLAG_TWONODE) printf("2Node ");
if (info.flags & VOTEQUORUM_INFO_FLAG_QUORATE) printf("Quorate ");
if (info.flags & VOTEQUORUM_INFO_WAIT_FOR_ALL) printf("WaitForAll ");
if (info.flags & VOTEQUORUM_INFO_LAST_MAN_STANDING) printf("LastManStanding ");
if (info.flags & VOTEQUORUM_INFO_AUTO_TIE_BREAKER) printf("AutoTieBreaker ");
if (info.flags & VOTEQUORUM_INFO_LEAVE_REMOVE) printf("LeaveRemove ");
printf("\n");
}
}
printf("Waiting for votequorum events, press ^C to finish\n");
printf("-------------------\n");
while (1) {
if (votequorum_dispatch(g_handle, CS_DISPATCH_ALL) != CS_OK) {
fprintf(stderr, "votequorum_dispatch error\n");
return -1;
}
}
return 0;
}
