src/bin/lttng/utils.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License, version 2 only,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  16  */
  17
  18 #ifndef _LTTNG_UTILS_H
  19 #define _LTTNG_UTILS_H
  20
  21 #include <popt.h>
  22
  23 #include <lttng/lttng.h>
  24
  25 extern char *opt_relayd_path;
  26
  27 struct cmd_struct;
  28
  29 char *get_session_name(void);
  30 void list_commands(struct cmd_struct *commands, FILE *ofp);
  31 void list_cmd_options(FILE *ofp, struct poptOption *options);
  32
  33 /*
  34  * Return the minimum order for which x <= (1UL << order).
  35  * Return -1 if x is 0.
  36  */
  37 int get_count_order_u32(uint32_t x);
  38
  39 /*
  40  * Return the minimum order for which x <= (1UL << order).
  41  * Return -1 if x is 0.
  42  */
  43 int get_count_order_u64(uint64_t x);
  44
  45 /*
  46  * Return the minimum order for which x <= (1UL << order).
  47  * Return -1 if x is 0.
  48  */
  49 int get_count_order_ulong(unsigned long x);
  50
  51 const char *get_domain_str(enum lttng_domain_type domain);
  52
  53 static inline
  54 void print_missing_domain(void)
  55 {
  56         ERR("Please specify a domain (-k/-u/-j).");
  57 }
  58
  59 int spawn_relayd(const char *pathname, int port);
  60 int check_relayd(void);
  61
  62 #endif /* _LTTNG_UTILS_H */