ctdb/common/cmdline.c

   1 /*
   2    common commandline code to ctdb test tools
   3
   4    Copyright (C) Andrew Tridgell  2007
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program 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
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "replace.h"
  21 #include "system/filesys.h"
  22 #include "system/network.h"
  23
  24 #include <popt.h>
  25 #include <talloc.h>
  26 #include <tevent.h>
  27 #include <ctype.h>
  28
  29 #include "lib/util/debug.h"
  30 #include "ctdb_private.h"
  31 #include "ctdb_client.h"
  32
  33 #include "common/rb_tree.h"
  34 #include "common/common.h"
  35 #include "common/logging.h"
  36 #include "common/cmdline.h"
  37
  38
  39
  40 /* Handle common command line options for ctdb test progs
  41  */
  42
  43 static struct {
  44         const char *socketname;
  45         const char *debuglevel;
  46         int torture;
  47         const char *events;
  48 } ctdb_cmdline = {
  49         .torture = 0,
  50         .debuglevel = "NOTICE",
  51 };
  52
  53 enum {OPT_EVENTSYSTEM=1};
  54
  55 static void ctdb_cmdline_callback(poptContext con,
  56                                   enum poptCallbackReason reason,
  57                                   const struct poptOption *opt,
  58                                   const char *arg, const void *data)
  59 {
  60         switch (opt->val) {
  61         case OPT_EVENTSYSTEM:
  62                 tevent_set_default_backend(arg);
  63                 break;
  64         }
  65 }
  66
  67
  68 struct poptOption popt_ctdb_cmdline[] = {
  69         { NULL, 0, POPT_ARG_CALLBACK, (void *)ctdb_cmdline_callback },
  70         { "socket", 0, POPT_ARG_STRING, &ctdb_cmdline.socketname, 0, "local socket name", "filename" },
  71         { "debug", 'd', POPT_ARG_STRING, &ctdb_cmdline.debuglevel, 0, "debug level"},
  72         { "torture", 0, POPT_ARG_NONE, &ctdb_cmdline.torture, 0, "enable nastiness in library", NULL },
  73         { "events", 0, POPT_ARG_STRING, NULL, OPT_EVENTSYSTEM, "event system", NULL },
  74         { NULL }
  75 };
  76
  77
  78 /*
  79   startup daemon side of ctdb according to command line options
  80  */
  81 struct ctdb_context *ctdb_cmdline_init(struct tevent_context *ev)
  82 {
  83         struct ctdb_context *ctdb;
  84         enum debug_level log_level;
  85         int ret;
  86
  87         /* initialise ctdb */
  88         ctdb = ctdb_init(ev);
  89         if (ctdb == NULL) {
  90                 printf("Failed to init ctdb\n");
  91                 exit(1);
  92         }
  93
  94         if (ctdb_cmdline.torture) {
  95                 ctdb_set_flags(ctdb, CTDB_FLAG_TORTURE);
  96         }
  97
  98         /* command line specified a socket name */
  99         if (ctdb_cmdline.socketname != NULL) {
 100                 setenv("CTDB_SOCKET", ctdb_cmdline.socketname, 1);
 101                 ret = ctdb_set_socketname(ctdb, ctdb_cmdline.socketname);
 102                 if (ret == -1) {
 103                         printf("ctdb_set_socketname failed - %s\n",
 104                                                     ctdb_errstr(ctdb));
 105                         exit(1);
 106                 }
 107         }
 108
 109         /* Set the debug level */
 110         if (debug_level_parse(ctdb_cmdline.debuglevel, &log_level)) {
 111                 DEBUGLEVEL = debug_level_to_int(log_level);
 112         } else {
 113                 DEBUGLEVEL = debug_level_to_int(DEBUG_NOTICE);
 114         }
 115
 116         /* set up the tree to store server ids */
 117         ctdb->server_ids = trbt_create(ctdb, 0);
 118
 119         return ctdb;
 120 }
 121
 122
 123 /*
 124   startup a client only ctdb context
 125  */
 126 struct ctdb_context *ctdb_cmdline_client(struct tevent_context *ev,
 127                                          struct timeval req_timeout)
 128 {
 129         struct ctdb_context *ctdb;
 130         enum debug_level log_level;
 131         char *socket_name;
 132         int ret;
 133
 134         /* initialise ctdb */
 135         ctdb = ctdb_init(ev);
 136         if (ctdb == NULL) {
 137                 fprintf(stderr, "Failed to init ctdb\n");
 138                 exit(1);
 139         }
 140
 141         /* tell ctdb the socket address */
 142         socket_name = getenv("CTDB_SOCKET");
 143         if (socket_name != NULL) {
 144                 ret = ctdb_set_socketname(ctdb, socket_name);
 145                 if (ret == -1) {
 146                         printf("ctdb_set_socketname failed - %s\n",
 147                                                     ctdb_errstr(ctdb));
 148                         exit(1);
 149                 }
 150         }
 151
 152         if (ctdb_cmdline.socketname != NULL) {
 153                 ret = ctdb_set_socketname(ctdb, ctdb_cmdline.socketname);
 154                 if (ret == -1) {
 155                         fprintf(stderr, "ctdb_set_socketname failed - %s\n",
 156                                         ctdb_errstr(ctdb));
 157                         exit(1);
 158                 }
 159         }
 160
 161         /* Set the debug level */
 162         if (debug_level_parse(ctdb_cmdline.debuglevel, &log_level)) {
 163                 DEBUGLEVEL = debug_level_to_int(log_level);
 164         } else {
 165                 DEBUGLEVEL = debug_level_to_int(DEBUG_NOTICE);
 166         }
 167
 168         ret = ctdb_socket_connect(ctdb);
 169         if (ret != 0) {
 170                 fprintf(stderr, __location__ " Failed to connect to daemon\n");
 171                 talloc_free(ctdb);
 172                 return NULL;
 173         }
 174
 175         /* get our pnn */
 176         ctdb->pnn = ctdb_ctrl_getpnn(ctdb, req_timeout, CTDB_CURRENT_NODE);
 177         if (ctdb->pnn == (uint32_t)-1) {
 178                 DEBUG(DEBUG_CRIT,(__location__ " Failed to get ctdb pnn\n"));
 179                 talloc_free(ctdb);
 180                 return NULL;
 181         }
 182
 183         return ctdb;
 184 }