source4/cluster/ctdb/tools/ctdb_status.c

   1 /*
   2    ctdb status tool
   3
   4    Copyright (C) Andrew Tridgell  2007
   5
   6    This library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 3 of the License, or (at your option) any later version.
  10
  11    This library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "lib/events/events.h"
  22 #include "system/filesys.h"
  23 #include "popt.h"
  24 #include "cmdline.h"
  25 #include "../include/ctdb_private.h"
  26
  27
  28 /*
  29   display status structure
  30  */
  31 static void show_status(struct ctdb_status *s)
  32 {
  33         printf(" client_packets_sent     %u\n", s->client_packets_sent);
  34         printf(" client_packets_recv     %u\n", s->client_packets_recv);
  35         printf("   req_call              %u\n", s->client.req_call);
  36         printf("   req_message           %u\n", s->client.req_message);
  37         printf("   req_finished          %u\n", s->client.req_finished);
  38         printf("   req_register          %u\n", s->client.req_register);
  39         printf("   req_connect_wait      %u\n", s->client.req_connect_wait);
  40         printf("   req_shutdown          %u\n", s->client.req_shutdown);
  41         printf("   req_status            %u\n", s->client.req_status);
  42         printf(" node_packets_sent       %u\n", s->node_packets_sent);
  43         printf(" node_packets_recv       %u\n", s->node_packets_recv);
  44         printf("   req_call              %u\n", s->client.req_call);
  45         printf("   reply_call            %u\n", s->count.reply_call);
  46         printf("   reply_redirect        %u\n", s->count.reply_redirect);
  47         printf("   req_dmaster           %u\n", s->count.req_dmaster);
  48         printf("   reply_dmaster         %u\n", s->count.reply_dmaster);
  49         printf("   reply_error           %u\n", s->count.reply_error);
  50         printf("   reply_redirect        %u\n", s->count.reply_redirect);
  51         printf("   req_message           %u\n", s->count.req_message);
  52         printf("   req_finished          %u\n", s->count.req_finished);
  53         printf(" total_calls             %u\n", s->total_calls);
  54         printf(" pending_calls           %u\n", s->pending_calls);
  55         printf(" lockwait_calls          %u\n", s->lockwait_calls);
  56         printf(" pending_lockwait_calls  %u\n", s->pending_lockwait_calls);
  57         printf(" max_call_latency        %.6f seconds\n", s->max_call_latency);
  58         printf(" max_lockwait_latency    %.6f seconds\n", s->max_lockwait_latency);
  59 }
  60
  61 /*
  62   show usage message
  63  */
  64 static void usage(void)
  65 {
  66         printf("Usage: ctdb_status <socketpath>\n");
  67         exit(1);
  68 }
  69
  70 /*
  71   main program
  72 */
  73 int main(int argc, const char *argv[])
  74 {
  75         struct ctdb_context *ctdb;
  76         struct poptOption popt_options[] = {
  77                 POPT_AUTOHELP
  78                 POPT_CTDB_CMDLINE
  79                 POPT_TABLEEND
  80         };
  81         int opt;
  82         const char **extra_argv;
  83         int extra_argc = 0;
  84         int ret;
  85         poptContext pc;
  86         struct event_context *ev;
  87         const char *ctdb_socket;
  88         struct ctdb_status status;
  89
  90         pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
  91
  92         while ((opt = poptGetNextOpt(pc)) != -1) {
  93                 switch (opt) {
  94                 default:
  95                         fprintf(stderr, "Invalid option %s: %s\n",
  96                                 poptBadOption(pc, 0), poptStrerror(opt));
  97                         exit(1);
  98                 }
  99         }
 100
 101         /* setup the remaining options for the main program to use */
 102         extra_argv = poptGetArgs(pc);
 103         if (extra_argv) {
 104                 extra_argv++;
 105                 while (extra_argv[extra_argc]) extra_argc++;
 106         }
 107
 108         if (extra_argc < 1) {
 109                 usage();
 110         }
 111
 112         ctdb_socket = extra_argv[0];
 113
 114         ev = event_context_init(NULL);
 115
 116         /* initialise ctdb */
 117         ctdb = ctdb_cmdline_client(ev, ctdb_socket);
 118         if (ctdb == NULL) {
 119                 printf("Failed to init ctdb\n");
 120                 exit(1);
 121         }
 122
 123         ret = ctdb_status(ctdb, &status);
 124         if (ret != 0) {
 125                 printf("Failed to get ctdb status\n");
 126                 exit(1);
 127         }
 128
 129         show_status(&status);
 130
 131         return 0;
 132 }