mirror of
https://github.com/samba-team/samba.git
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a919f6927a
(This used to be ctdb commit 30165b5a19f9bd9d1f62c9c222df0711c1c6a927)
1222 lines
30 KiB
C
1222 lines
30 KiB
C
/*
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ctdb control tool
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Copyright (C) Andrew Tridgell 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "lib/events/events.h"
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#include "system/filesys.h"
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#include "system/network.h"
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#include "popt.h"
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#include "cmdline.h"
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#include "../include/ctdb.h"
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#include "../include/ctdb_private.h"
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#include "../common/rb_tree.h"
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static void usage(void);
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static struct {
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int timelimit;
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uint32_t pnn;
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int machinereadable;
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} options;
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#define TIMELIMIT() timeval_current_ofs(options.timelimit, 0)
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/*
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see if a process exists
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*/
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static int control_process_exists(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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uint32_t pnn, pid;
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int ret;
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if (argc < 1) {
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usage();
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}
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if (sscanf(argv[0], "%u:%u", &pnn, &pid) != 2) {
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DEBUG(0, ("Badly formed pnn:pid\n"));
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return -1;
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}
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ret = ctdb_ctrl_process_exists(ctdb, pnn, pid);
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if (ret == 0) {
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printf("%u:%u exists\n", pnn, pid);
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} else {
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printf("%u:%u does not exist\n", pnn, pid);
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}
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return ret;
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}
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/*
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display statistics structure
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*/
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static void show_statistics(struct ctdb_statistics *s)
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{
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TALLOC_CTX *tmp_ctx = talloc_new(NULL);
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int i;
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const char *prefix=NULL;
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int preflen=0;
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const struct {
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const char *name;
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uint32_t offset;
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} fields[] = {
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#define STATISTICS_FIELD(n) { #n, offsetof(struct ctdb_statistics, n) }
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STATISTICS_FIELD(num_clients),
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STATISTICS_FIELD(frozen),
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STATISTICS_FIELD(recovering),
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STATISTICS_FIELD(client_packets_sent),
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STATISTICS_FIELD(client_packets_recv),
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STATISTICS_FIELD(node_packets_sent),
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STATISTICS_FIELD(node_packets_recv),
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STATISTICS_FIELD(keepalive_packets_sent),
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STATISTICS_FIELD(keepalive_packets_recv),
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STATISTICS_FIELD(node.req_call),
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STATISTICS_FIELD(node.reply_call),
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STATISTICS_FIELD(node.req_dmaster),
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STATISTICS_FIELD(node.reply_dmaster),
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STATISTICS_FIELD(node.reply_error),
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STATISTICS_FIELD(node.req_message),
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STATISTICS_FIELD(node.req_control),
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STATISTICS_FIELD(node.reply_control),
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STATISTICS_FIELD(client.req_call),
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STATISTICS_FIELD(client.req_message),
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STATISTICS_FIELD(client.req_control),
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STATISTICS_FIELD(timeouts.call),
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STATISTICS_FIELD(timeouts.control),
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STATISTICS_FIELD(timeouts.traverse),
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STATISTICS_FIELD(total_calls),
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STATISTICS_FIELD(pending_calls),
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STATISTICS_FIELD(lockwait_calls),
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STATISTICS_FIELD(pending_lockwait_calls),
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STATISTICS_FIELD(memory_used),
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STATISTICS_FIELD(max_hop_count),
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};
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printf("CTDB version %u\n", CTDB_VERSION);
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for (i=0;i<ARRAY_SIZE(fields);i++) {
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if (strchr(fields[i].name, '.')) {
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preflen = strcspn(fields[i].name, ".")+1;
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if (!prefix || strncmp(prefix, fields[i].name, preflen) != 0) {
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prefix = fields[i].name;
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printf(" %*.*s\n", preflen-1, preflen-1, fields[i].name);
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}
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} else {
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preflen = 0;
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}
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printf(" %*s%-22s%*s%10u\n",
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preflen?4:0, "",
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fields[i].name+preflen,
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preflen?0:4, "",
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*(uint32_t *)(fields[i].offset+(uint8_t *)s));
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}
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printf(" %-30s %.6f sec\n", "max_call_latency", s->max_call_latency);
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printf(" %-30s %.6f sec\n", "max_lockwait_latency", s->max_lockwait_latency);
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talloc_free(tmp_ctx);
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}
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/*
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display remote ctdb statistics combined from all nodes
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*/
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static int control_statistics_all(struct ctdb_context *ctdb)
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{
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int ret, i;
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struct ctdb_statistics statistics;
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uint32_t *nodes;
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uint32_t num_nodes;
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nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
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CTDB_NO_MEMORY(ctdb, nodes);
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ZERO_STRUCT(statistics);
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for (i=0;i<num_nodes;i++) {
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struct ctdb_statistics s1;
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int j;
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uint32_t *v1 = (uint32_t *)&s1;
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uint32_t *v2 = (uint32_t *)&statistics;
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uint32_t num_ints =
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offsetof(struct ctdb_statistics, __last_counter) / sizeof(uint32_t);
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ret = ctdb_ctrl_statistics(ctdb, nodes[i], &s1);
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if (ret != 0) {
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DEBUG(0, ("Unable to get statistics from node %u\n", nodes[i]));
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return ret;
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}
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for (j=0;j<num_ints;j++) {
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v2[j] += v1[j];
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}
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statistics.max_hop_count =
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MAX(statistics.max_hop_count, s1.max_hop_count);
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statistics.max_call_latency =
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MAX(statistics.max_call_latency, s1.max_call_latency);
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statistics.max_lockwait_latency =
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MAX(statistics.max_lockwait_latency, s1.max_lockwait_latency);
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}
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talloc_free(nodes);
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printf("Gathered statistics for %u nodes\n", num_nodes);
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show_statistics(&statistics);
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return 0;
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}
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/*
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display remote ctdb statistics
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*/
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static int control_statistics(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int ret;
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struct ctdb_statistics statistics;
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if (options.pnn == CTDB_BROADCAST_ALL) {
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return control_statistics_all(ctdb);
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}
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ret = ctdb_ctrl_statistics(ctdb, options.pnn, &statistics);
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if (ret != 0) {
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DEBUG(0, ("Unable to get statistics from node %u\n", options.pnn));
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return ret;
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}
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show_statistics(&statistics);
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return 0;
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}
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/*
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reset remote ctdb statistics
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*/
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static int control_statistics_reset(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int ret;
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ret = ctdb_statistics_reset(ctdb, options.pnn);
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if (ret != 0) {
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DEBUG(0, ("Unable to reset statistics on node %u\n", options.pnn));
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return ret;
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}
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return 0;
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}
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/*
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display remote ctdb status
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*/
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static int control_status(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int i, ret;
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struct ctdb_vnn_map *vnnmap=NULL;
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struct ctdb_node_map *nodemap=NULL;
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uint32_t recmode, recmaster;
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int mypnn;
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mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
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if (mypnn == -1) {
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return -1;
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}
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ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
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if (ret != 0) {
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DEBUG(0, ("Unable to get nodemap from node %u\n", options.pnn));
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return ret;
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}
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if(options.machinereadable){
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printf(":Node:IP:Disonnected:Disabled:Permanently Disabled:\n");
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for(i=0;i<nodemap->num;i++){
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printf(":%d:%s:%d:%d:%d:\n", nodemap->nodes[i].pnn,
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inet_ntoa(nodemap->nodes[i].sin.sin_addr),
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!!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
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!!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY),
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!!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED));
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}
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return 0;
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}
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printf("Number of nodes:%d\n", nodemap->num);
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for(i=0;i<nodemap->num;i++){
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static const struct {
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uint32_t flag;
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const char *name;
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} flag_names[] = {
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{ NODE_FLAGS_DISCONNECTED, "DISCONNECTED" },
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{ NODE_FLAGS_PERMANENTLY_DISABLED, "DISABLED" },
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{ NODE_FLAGS_BANNED, "BANNED" },
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{ NODE_FLAGS_UNHEALTHY, "UNHEALTHY" },
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};
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char *flags_str = NULL;
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int j;
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for (j=0;j<ARRAY_SIZE(flag_names);j++) {
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if (nodemap->nodes[i].flags & flag_names[j].flag) {
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if (flags_str == NULL) {
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flags_str = talloc_strdup(ctdb, flag_names[j].name);
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} else {
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flags_str = talloc_asprintf_append(flags_str, "|%s",
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flag_names[j].name);
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}
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CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
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}
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}
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if (flags_str == NULL) {
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flags_str = talloc_strdup(ctdb, "OK");
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CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
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}
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printf("pnn:%d %-16s %s%s\n", nodemap->nodes[i].pnn,
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inet_ntoa(nodemap->nodes[i].sin.sin_addr),
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flags_str,
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nodemap->nodes[i].pnn == mypnn?" (THIS NODE)":"");
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talloc_free(flags_str);
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}
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ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &vnnmap);
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if (ret != 0) {
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DEBUG(0, ("Unable to get vnnmap from node %u\n", options.pnn));
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return ret;
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}
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if (vnnmap->generation == INVALID_GENERATION) {
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printf("Generation:INVALID\n");
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} else {
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printf("Generation:%d\n",vnnmap->generation);
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}
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printf("Size:%d\n",vnnmap->size);
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for(i=0;i<vnnmap->size;i++){
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printf("hash:%d lmaster:%d\n", i, vnnmap->map[i]);
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}
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ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmode);
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if (ret != 0) {
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DEBUG(0, ("Unable to get recmode from node %u\n", options.pnn));
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return ret;
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}
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printf("Recovery mode:%s (%d)\n",recmode==CTDB_RECOVERY_NORMAL?"NORMAL":"RECOVERY",recmode);
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ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
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if (ret != 0) {
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DEBUG(0, ("Unable to get recmaster from node %u\n", options.pnn));
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return ret;
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}
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printf("Recovery master:%d\n",recmaster);
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return 0;
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}
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/*
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get a list of all tickles for this pnn
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*/
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static int control_get_tickles(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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struct ctdb_control_tcp_tickle_list *list;
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struct sockaddr_in ip;
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int i, ret;
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if (argc < 1) {
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usage();
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}
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ip.sin_family = AF_INET;
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if (inet_aton(argv[0], &ip.sin_addr) == 0) {
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DEBUG(0,("Wrongly formed ip address '%s'\n", argv[0]));
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return -1;
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}
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ret = ctdb_ctrl_get_tcp_tickles(ctdb, TIMELIMIT(), options.pnn, ctdb, &ip, &list);
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if (ret == -1) {
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DEBUG(0, ("Unable to list tickles\n"));
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return -1;
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}
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printf("Tickles for ip:%s\n", inet_ntoa(list->ip.sin_addr));
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printf("Num tickles:%u\n", list->tickles.num);
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for (i=0;i<list->tickles.num;i++) {
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printf("SRC: %s:%u ", inet_ntoa(list->tickles.connections[i].saddr.sin_addr), ntohs(list->tickles.connections[i].saddr.sin_port));
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printf("DST: %s:%u\n", inet_ntoa(list->tickles.connections[i].daddr.sin_addr), ntohs(list->tickles.connections[i].daddr.sin_port));
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}
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talloc_free(list);
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return 0;
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}
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/*
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kill a tcp connection
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*/
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static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int ret;
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struct ctdb_control_killtcp killtcp;
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if (argc < 2) {
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usage();
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}
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if (!parse_ip_port(argv[0], &killtcp.src)) {
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DEBUG(0, ("Bad IP:port '%s'\n", argv[0]));
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return -1;
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}
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if (!parse_ip_port(argv[1], &killtcp.dst)) {
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DEBUG(0, ("Bad IP:port '%s'\n", argv[1]));
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return -1;
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}
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ret = ctdb_ctrl_killtcp(ctdb, TIMELIMIT(), options.pnn, &killtcp);
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if (ret != 0) {
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DEBUG(0, ("Unable to killtcp from node %u\n", options.pnn));
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return ret;
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}
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return 0;
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}
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/*
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register a server id
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*/
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static int regsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int ret;
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struct ctdb_server_id server_id;
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if (argc < 3) {
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usage();
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}
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server_id.pnn = strtoul(argv[0], NULL, 0);
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server_id.type = strtoul(argv[1], NULL, 0);
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server_id.server_id = strtoul(argv[2], NULL, 0);
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ret = ctdb_ctrl_register_server_id(ctdb, TIMELIMIT(), &server_id);
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if (ret != 0) {
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DEBUG(0, ("Unable to register server_id from node %u\n", options.pnn));
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return ret;
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}
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return -1;
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}
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/*
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unregister a server id
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*/
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static int unregsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int ret;
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struct ctdb_server_id server_id;
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if (argc < 3) {
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usage();
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}
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server_id.pnn = strtoul(argv[0], NULL, 0);
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server_id.type = strtoul(argv[1], NULL, 0);
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server_id.server_id = strtoul(argv[2], NULL, 0);
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ret = ctdb_ctrl_unregister_server_id(ctdb, TIMELIMIT(), &server_id);
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if (ret != 0) {
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DEBUG(0, ("Unable to unregister server_id from node %u\n", options.pnn));
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return ret;
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}
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return -1;
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}
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/*
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check if a server id exists
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*/
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static int chksrvid(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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uint32_t status;
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int ret;
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struct ctdb_server_id server_id;
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if (argc < 3) {
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usage();
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}
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server_id.pnn = strtoul(argv[0], NULL, 0);
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server_id.type = strtoul(argv[1], NULL, 0);
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server_id.server_id = strtoul(argv[2], NULL, 0);
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ret = ctdb_ctrl_check_server_id(ctdb, TIMELIMIT(), options.pnn, &server_id, &status);
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if (ret != 0) {
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DEBUG(0, ("Unable to check server_id from node %u\n", options.pnn));
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return ret;
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}
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if (status) {
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printf("Server id %d:%d:%d EXISTS\n", server_id.pnn, server_id.type, server_id.server_id);
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} else {
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printf("Server id %d:%d:%d does NOT exist\n", server_id.pnn, server_id.type, server_id.server_id);
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}
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return 0;
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}
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/*
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get a list of all server ids that are registered on a node
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*/
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static int getsrvids(struct ctdb_context *ctdb, int argc, const char **argv)
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{
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int i, ret;
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struct ctdb_server_id_list *server_ids;
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ret = ctdb_ctrl_get_server_id_list(ctdb, ctdb, TIMELIMIT(), options.pnn, &server_ids);
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if (ret != 0) {
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DEBUG(0, ("Unable to get server_id list from node %u\n", options.pnn));
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return ret;
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}
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for (i=0; i<server_ids->num; i++) {
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printf("Server id %d:%d:%d\n",
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server_ids->server_ids[i].pnn,
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server_ids->server_ids[i].type,
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server_ids->server_ids[i].server_id);
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}
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|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
send a tcp tickle ack
|
|
*/
|
|
static int tickle_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int s, ret;
|
|
struct sockaddr_in src, dst;
|
|
|
|
if (argc < 2) {
|
|
usage();
|
|
}
|
|
|
|
if (!parse_ip_port(argv[0], &src)) {
|
|
DEBUG(0, ("Bad IP:port '%s'\n", argv[0]));
|
|
return -1;
|
|
}
|
|
|
|
if (!parse_ip_port(argv[1], &dst)) {
|
|
DEBUG(0, ("Bad IP:port '%s'\n", argv[1]));
|
|
return -1;
|
|
}
|
|
|
|
s = ctdb_sys_open_sending_socket();
|
|
if (s == -1) {
|
|
DEBUG(0, ("Failed to open socket for sending tickle\n"));
|
|
return 0;
|
|
}
|
|
|
|
ret = ctdb_sys_send_tcp(s, &src, &dst, 0, 0, 0);
|
|
close(s);
|
|
if (ret==0) {
|
|
return 0;
|
|
}
|
|
DEBUG(0, ("Error while sending tickle ack\n"));
|
|
|
|
return -1;
|
|
}
|
|
|
|
|
|
static void *store_ip(void *p, void *d)
|
|
{
|
|
return p;
|
|
}
|
|
static void print_ip(void *param, void *data)
|
|
{
|
|
struct ctdb_public_ip *ip = (struct ctdb_public_ip *)data;
|
|
|
|
if(options.machinereadable){
|
|
printf(":%s:%d:\n", inet_ntoa(ip->sin.sin_addr), ip->pnn);
|
|
} else {
|
|
printf("%-16s %d\n", inet_ntoa(ip->sin.sin_addr), ip->pnn);
|
|
}
|
|
}
|
|
|
|
/*
|
|
display public ip status
|
|
*/
|
|
static int control_ip(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int i, j, ret;
|
|
TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
|
|
trbt_tree_t *tree;
|
|
struct ctdb_node_map *nodemap=NULL;
|
|
struct ctdb_all_public_ips *ips;
|
|
struct ctdb_public_ip *ip;
|
|
|
|
|
|
ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &nodemap);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to get nodemap from node %u\n", options.pnn));
|
|
talloc_free(tmp_ctx);
|
|
return ret;
|
|
}
|
|
|
|
/* create a tree to store the public addresses in indexed by s_addr */
|
|
tree = trbt_create(tmp_ctx, 0);
|
|
CTDB_NO_MEMORY(ctdb, tree);
|
|
|
|
for (i=0;i<nodemap->num;i++) {
|
|
/* dont read the public ip list from disconnected nodes */
|
|
if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
|
|
continue;
|
|
}
|
|
|
|
/* read the public ip list from this node */
|
|
ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), i, tmp_ctx, &ips);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to get public ips from node %u\n", i));
|
|
talloc_free(tmp_ctx);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/* store the public ip */
|
|
for(j=0;j<ips->num;j++){
|
|
ip = talloc_memdup(tmp_ctx, &ips->ips[j], sizeof(struct ctdb_public_ip));
|
|
/* ntohl() so that we sort by the first octet */
|
|
trbt_insert32_callback(tree, ntohl(ips->ips[j].sin.sin_addr.s_addr), store_ip, ip);
|
|
}
|
|
}
|
|
|
|
/* traverse the tree and read back all the public ips one by one */
|
|
if(options.machinereadable){
|
|
printf(":Public IP:Node:\n");
|
|
}
|
|
trbt_traversearray32(tree, 1, print_ip, NULL);
|
|
|
|
talloc_free(tmp_ctx);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
display pid of a ctdb daemon
|
|
*/
|
|
static int control_getpid(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
uint32_t pid;
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_getpid(ctdb, TIMELIMIT(), options.pnn, &pid);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to get daemon pid from node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
printf("Pid:%d\n", pid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
disable a remote node
|
|
*/
|
|
static int control_disable(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, NODE_FLAGS_PERMANENTLY_DISABLED, 0);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to disable node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
enable a disabled remote node
|
|
*/
|
|
static int control_enable(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, 0, NODE_FLAGS_PERMANENTLY_DISABLED);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to enable node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
ban a node from the cluster
|
|
*/
|
|
static int control_ban(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
uint32_t recmaster;
|
|
struct ctdb_ban_info b;
|
|
TDB_DATA data;
|
|
uint32_t ban_time;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
|
|
ban_time = strtoul(argv[0], NULL, 0);
|
|
|
|
ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
|
|
if (ret != 0) {
|
|
DEBUG(0,("Failed to find the recmaster\n"));
|
|
return -1;
|
|
}
|
|
|
|
b.pnn = options.pnn;
|
|
b.ban_time = ban_time;
|
|
|
|
data.dptr = (uint8_t *)&b;
|
|
data.dsize = sizeof(b);
|
|
|
|
ret = ctdb_send_message(ctdb, recmaster, CTDB_SRVID_BAN_NODE, data);
|
|
if (ret != 0) {
|
|
DEBUG(0,("Failed to tell the recmaster to ban node %u\n", options.pnn));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
unban a node from the cluster
|
|
*/
|
|
static int control_unban(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
uint32_t recmaster;
|
|
TDB_DATA data;
|
|
|
|
ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
|
|
if (ret != 0) {
|
|
DEBUG(0,("Failed to find the recmaster\n"));
|
|
return -1;
|
|
}
|
|
|
|
data.dptr = (uint8_t *)&options.pnn;
|
|
data.dsize = sizeof(uint32_t);
|
|
|
|
ret = ctdb_send_message(ctdb, recmaster, CTDB_SRVID_UNBAN_NODE, data);
|
|
if (ret != 0) {
|
|
DEBUG(0,("Failed to tell the recmaster to unban node %u\n", options.pnn));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
shutdown a daemon
|
|
*/
|
|
static int control_shutdown(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_shutdown(ctdb, TIMELIMIT(), options.pnn);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to shutdown node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
trigger a recovery
|
|
*/
|
|
static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to freeze node\n"));
|
|
return ret;
|
|
}
|
|
|
|
ret = ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to set recovery mode\n"));
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
display monitoring mode of a remote node
|
|
*/
|
|
static int control_getmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
uint32_t monmode;
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_getmonmode(ctdb, TIMELIMIT(), options.pnn, &monmode);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to get monmode from node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
printf("Monitoring mode:%s (%d)\n",monmode==CTDB_MONITORING_ACTIVE?"ACTIVE":"DISABLED",monmode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
set the monitoring mode of a remote node
|
|
*/
|
|
static int control_setmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
uint32_t monmode;
|
|
int ret;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
|
|
monmode = strtoul(argv[0], NULL, 0);
|
|
|
|
ret = ctdb_ctrl_setmonmode(ctdb, TIMELIMIT(), options.pnn, monmode);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to set monmode on node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
display remote list of keys/data for a db
|
|
*/
|
|
static int control_catdb(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
const char *db_name;
|
|
struct ctdb_db_context *ctdb_db;
|
|
int ret;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
|
|
db_name = argv[0];
|
|
ctdb_db = ctdb_attach(ctdb, db_name);
|
|
|
|
if (ctdb_db == NULL) {
|
|
DEBUG(0,("Unable to attach to database '%s'\n", db_name));
|
|
return -1;
|
|
}
|
|
|
|
/* traverse and dump the cluster tdb */
|
|
ret = ctdb_dump_db(ctdb_db, stdout);
|
|
if (ret == -1) {
|
|
DEBUG(0, ("Unable to dump database\n"));
|
|
return -1;
|
|
}
|
|
talloc_free(ctdb_db);
|
|
|
|
printf("Dumped %d records\n", ret);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
display a list of the databases on a remote ctdb
|
|
*/
|
|
static int control_getdbmap(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int i, ret;
|
|
struct ctdb_dbid_map *dbmap=NULL;
|
|
|
|
ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to get dbids from node %u\n", options.pnn));
|
|
return ret;
|
|
}
|
|
|
|
printf("Number of databases:%d\n", dbmap->num);
|
|
for(i=0;i<dbmap->num;i++){
|
|
const char *path;
|
|
const char *name;
|
|
|
|
ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbids[i], ctdb, &path);
|
|
ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbids[i], ctdb, &name);
|
|
printf("dbid:0x%08x name:%s path:%s\n", dbmap->dbids[i], name, path);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
ping a node
|
|
*/
|
|
static int control_ping(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
struct timeval tv = timeval_current();
|
|
ret = ctdb_ctrl_ping(ctdb, options.pnn);
|
|
if (ret == -1) {
|
|
printf("Unable to get ping response from node %u\n", options.pnn);
|
|
} else {
|
|
printf("response from %u time=%.6f sec (%d clients)\n",
|
|
options.pnn, timeval_elapsed(&tv), ret);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
get a tunable
|
|
*/
|
|
static int control_getvar(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
const char *name;
|
|
uint32_t value;
|
|
int ret;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
|
|
name = argv[0];
|
|
ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn, name, &value);
|
|
if (ret == -1) {
|
|
DEBUG(0, ("Unable to get tunable variable '%s'\n", name));
|
|
return -1;
|
|
}
|
|
|
|
printf("%-19s = %u\n", name, value);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
set a tunable
|
|
*/
|
|
static int control_setvar(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
const char *name;
|
|
uint32_t value;
|
|
int ret;
|
|
|
|
if (argc < 2) {
|
|
usage();
|
|
}
|
|
|
|
name = argv[0];
|
|
value = strtoul(argv[1], NULL, 0);
|
|
|
|
ret = ctdb_ctrl_set_tunable(ctdb, TIMELIMIT(), options.pnn, name, value);
|
|
if (ret == -1) {
|
|
DEBUG(0, ("Unable to set tunable variable '%s'\n", name));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
list all tunables
|
|
*/
|
|
static int control_listvars(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
uint32_t count;
|
|
const char **list;
|
|
int ret, i;
|
|
|
|
ret = ctdb_ctrl_list_tunables(ctdb, TIMELIMIT(), options.pnn, ctdb, &list, &count);
|
|
if (ret == -1) {
|
|
DEBUG(0, ("Unable to list tunable variables\n"));
|
|
return -1;
|
|
}
|
|
|
|
for (i=0;i<count;i++) {
|
|
control_getvar(ctdb, 1, &list[i]);
|
|
}
|
|
|
|
talloc_free(list);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
display debug level on a node
|
|
*/
|
|
static int control_getdebug(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
uint32_t level;
|
|
|
|
ret = ctdb_ctrl_get_debuglevel(ctdb, options.pnn, &level);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to get debuglevel response from node %u\n",
|
|
options.pnn));
|
|
} else {
|
|
printf("Node %u is at debug level %u\n", options.pnn, level);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
set debug level on a node or all nodes
|
|
*/
|
|
static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
uint32_t level;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
|
|
level = strtoul(argv[0], NULL, 0);
|
|
|
|
ret = ctdb_ctrl_set_debuglevel(ctdb, options.pnn, level);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to set debug level on node %u\n", options.pnn));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
freeze a node
|
|
*/
|
|
static int control_freeze(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to freeze node %u\n", options.pnn));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
thaw a node
|
|
*/
|
|
static int control_thaw(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
int ret;
|
|
|
|
ret = ctdb_ctrl_thaw(ctdb, TIMELIMIT(), options.pnn);
|
|
if (ret != 0) {
|
|
DEBUG(0, ("Unable to thaw node %u\n", options.pnn));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
attach to a database
|
|
*/
|
|
static int control_attach(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
const char *db_name;
|
|
struct ctdb_db_context *ctdb_db;
|
|
|
|
if (argc < 1) {
|
|
usage();
|
|
}
|
|
db_name = argv[0];
|
|
|
|
ctdb_db = ctdb_attach(ctdb, db_name);
|
|
if (ctdb_db == NULL) {
|
|
DEBUG(0,("Unable to attach to database '%s'\n", db_name));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
dump memory usage
|
|
*/
|
|
static int control_dumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
|
|
{
|
|
return ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_DUMP_MEMORY,
|
|
CTDB_CTRL_FLAG_NOREPLY, tdb_null, NULL, NULL, NULL, NULL, NULL);
|
|
}
|
|
|
|
|
|
static const struct {
|
|
const char *name;
|
|
int (*fn)(struct ctdb_context *, int, const char **);
|
|
bool auto_all;
|
|
const char *msg;
|
|
const char *args;
|
|
} ctdb_commands[] = {
|
|
{ "status", control_status, true, "show node status" },
|
|
{ "ping", control_ping, true, "ping all nodes" },
|
|
{ "getvar", control_getvar, true, "get a tunable variable", "<name>"},
|
|
{ "setvar", control_setvar, true, "set a tunable variable", "<name> <value>"},
|
|
{ "listvars", control_listvars, true, "list tunable variables"},
|
|
{ "statistics", control_statistics, false, "show statistics" },
|
|
{ "statisticsreset", control_statistics_reset, true, "reset statistics"},
|
|
{ "ip", control_ip, true, "show which public ip's that ctdb manages" },
|
|
{ "process-exists", control_process_exists, true, "check if a process exists on a node", "<pid>"},
|
|
{ "getdbmap", control_getdbmap, true, "show the database map" },
|
|
{ "catdb", control_catdb, true, "dump a database" , "<dbname>"},
|
|
{ "getmonmode", control_getmonmode, true, "show monitoring mode" },
|
|
{ "setmonmode", control_setmonmode, true, "set monitoring mode", "<0|1>" },
|
|
{ "setdebug", control_setdebug, true, "set debug level", "<debuglevel>" },
|
|
{ "getdebug", control_getdebug, true, "get debug level" },
|
|
{ "attach", control_attach, true, "attach to a database", "<dbname>" },
|
|
{ "dumpmemory", control_dumpmemory, true, "dump memory map to logs" },
|
|
{ "getpid", control_getpid, true, "get ctdbd process ID" },
|
|
{ "disable", control_disable, true, "disable a nodes public IP" },
|
|
{ "enable", control_enable, true, "enable a nodes public IP" },
|
|
{ "ban", control_ban, true, "ban a node from the cluster", "<bantime|0>"},
|
|
{ "unban", control_unban, true, "unban a node from the cluster" },
|
|
{ "shutdown", control_shutdown, true, "shutdown ctdbd" },
|
|
{ "recover", control_recover, true, "force recovery" },
|
|
{ "freeze", control_freeze, true, "freeze all databases" },
|
|
{ "thaw", control_thaw, true, "thaw all databases" },
|
|
{ "killtcp", kill_tcp, false, "kill a tcp connection.", "<srcip:port> <dstip:port>" },
|
|
{ "tickle", tickle_tcp, false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
|
|
{ "gettickles", control_get_tickles, false, "get the list of tickles registered for this ip", "<ip>" },
|
|
|
|
{ "regsrvid", regsrvid, false, "register a server id", "<pnn> <type> <id>" },
|
|
{ "unregsrvid", unregsrvid, false, "unregister a server id", "<pnn> <type> <id>" },
|
|
{ "chksrvid", chksrvid, false, "check if a server id exists", "<pnn> <type> <id>" },
|
|
{ "getsrvids", getsrvids, false, "get a list of all server ids"},
|
|
};
|
|
|
|
/*
|
|
show usage message
|
|
*/
|
|
static void usage(void)
|
|
{
|
|
int i;
|
|
printf(
|
|
"Usage: ctdb [options] <control>\n" \
|
|
"Options:\n" \
|
|
" -n <node> choose node number, or 'all' (defaults to local node)\n"
|
|
" -Y generate machinereadable output\n"
|
|
" -t <timelimit> set timelimit for control in seconds (default %u)\n", options.timelimit);
|
|
printf("Controls:\n");
|
|
for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
|
|
printf(" %-15s %-27s %s\n",
|
|
ctdb_commands[i].name,
|
|
ctdb_commands[i].args?ctdb_commands[i].args:"",
|
|
ctdb_commands[i].msg);
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
|
|
/*
|
|
main program
|
|
*/
|
|
int main(int argc, const char *argv[])
|
|
{
|
|
struct ctdb_context *ctdb;
|
|
char *nodestring = NULL;
|
|
struct poptOption popt_options[] = {
|
|
POPT_AUTOHELP
|
|
POPT_CTDB_CMDLINE
|
|
{ "timelimit", 't', POPT_ARG_INT, &options.timelimit, 0, "timelimit", "integer" },
|
|
{ "node", 'n', POPT_ARG_STRING, &nodestring, 0, "node", "integer|all" },
|
|
{ "machinereadable", 'Y', POPT_ARG_NONE, &options.machinereadable, 0, "enable machinereadable output", NULL },
|
|
POPT_TABLEEND
|
|
};
|
|
int opt;
|
|
const char **extra_argv;
|
|
int extra_argc = 0;
|
|
int ret=-1, i;
|
|
poptContext pc;
|
|
struct event_context *ev;
|
|
const char *control;
|
|
|
|
/* set some defaults */
|
|
options.timelimit = 3;
|
|
options.pnn = CTDB_CURRENT_NODE;
|
|
|
|
pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
|
|
|
|
while ((opt = poptGetNextOpt(pc)) != -1) {
|
|
switch (opt) {
|
|
default:
|
|
DEBUG(0, ("Invalid option %s: %s\n",
|
|
poptBadOption(pc, 0), poptStrerror(opt)));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* setup the remaining options for the main program to use */
|
|
extra_argv = poptGetArgs(pc);
|
|
if (extra_argv) {
|
|
extra_argv++;
|
|
while (extra_argv[extra_argc]) extra_argc++;
|
|
}
|
|
|
|
if (extra_argc < 1) {
|
|
usage();
|
|
}
|
|
|
|
/* setup the node number to contact */
|
|
if (nodestring != NULL) {
|
|
if (strcmp(nodestring, "all") == 0) {
|
|
options.pnn = CTDB_BROADCAST_ALL;
|
|
} else {
|
|
options.pnn = strtoul(nodestring, NULL, 0);
|
|
}
|
|
}
|
|
|
|
control = extra_argv[0];
|
|
|
|
ev = event_context_init(NULL);
|
|
|
|
/* initialise ctdb */
|
|
ctdb = ctdb_cmdline_client(ev);
|
|
if (ctdb == NULL) {
|
|
DEBUG(0, ("Failed to init ctdb\n"));
|
|
exit(1);
|
|
}
|
|
|
|
for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
|
|
if (strcmp(control, ctdb_commands[i].name) == 0) {
|
|
int j;
|
|
|
|
if (options.pnn == CTDB_CURRENT_NODE) {
|
|
int pnn;
|
|
pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
|
|
if (pnn == -1) {
|
|
return -1;
|
|
}
|
|
options.pnn = pnn;
|
|
}
|
|
|
|
if (ctdb_commands[i].auto_all &&
|
|
options.pnn == CTDB_BROADCAST_ALL) {
|
|
uint32_t *nodes;
|
|
uint32_t num_nodes;
|
|
ret = 0;
|
|
|
|
nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
|
|
CTDB_NO_MEMORY(ctdb, nodes);
|
|
|
|
for (j=0;j<num_nodes;j++) {
|
|
options.pnn = nodes[j];
|
|
ret |= ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
|
|
}
|
|
talloc_free(nodes);
|
|
} else {
|
|
ret = ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == ARRAY_SIZE(ctdb_commands)) {
|
|
DEBUG(0, ("Unknown control '%s'\n", control));
|
|
exit(1);
|
|
}
|
|
|
|
return ret;
|
|
}
|