ctdb/protocol/protocol_util.h

   1 /*
   2    CTDB protocol marshalling
   3
   4    Copyright (C) Amitay Isaacs  2015
   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 #ifndef __CTDB_PROTOCOL_UTIL_H__
  21 #define __CTDB_PROTOCOL_UTIL_H__
  22
  23 #include <talloc.h>
  24
  25 #include "protocol/protocol.h"
  26
  27 const char *ctdb_runstate_to_string(enum ctdb_runstate runstate);
  28 enum ctdb_runstate ctdb_runstate_from_string(const char *runstate_str);
  29
  30 const char *ctdb_event_to_string(enum ctdb_event event);
  31 enum ctdb_event ctdb_event_from_string(const char *event_str);
  32
  33 /*
  34  * buflen must be long enough to hold the longest possible "address:port".
  35  * For example, 1122:3344:5566:7788:99aa:bbcc:ddee:ff00:12345.
  36  * 64 is sane value for buflen.
  37  */
  38 int ctdb_sock_addr_to_buf(char *buf, socklen_t buflen,
  39                           ctdb_sock_addr *addr, bool with_port);
  40 char *ctdb_sock_addr_to_string(TALLOC_CTX *mem_ctx,
  41                                      ctdb_sock_addr *addr, bool with_port);
  42 int ctdb_sock_addr_from_string(const char *str,
  43                                ctdb_sock_addr *addr, bool with_port);
  44 int ctdb_sock_addr_mask_from_string(const char *str,
  45                                     ctdb_sock_addr *addr,
  46                                     unsigned int *mask);
  47 int ctdb_sock_addr_from_sockaddr(struct sockaddr *addr,
  48                                  ctdb_sock_addr *sock_addr);
  49 unsigned int ctdb_sock_addr_port(ctdb_sock_addr *addr);
  50 void ctdb_sock_addr_set_port(ctdb_sock_addr *addr, unsigned int port);
  51 int ctdb_sock_addr_cmp_ip(const ctdb_sock_addr *addr1,
  52                           const ctdb_sock_addr *addr2);
  53 int ctdb_sock_addr_cmp(const ctdb_sock_addr *addr1,
  54                        const ctdb_sock_addr *addr2);
  55 bool ctdb_sock_addr_same_ip(const ctdb_sock_addr *addr1,
  56                             const ctdb_sock_addr *addr2);
  57 bool ctdb_sock_addr_same(const ctdb_sock_addr *addr1,
  58                          const ctdb_sock_addr *addr2);
  59
  60 bool ctdb_connection_same(const struct ctdb_connection *conn1,
  61                           const struct ctdb_connection *conn2);
  62
  63 int ctdb_connection_to_buf(char *buf,
  64                            size_t buflen,
  65                            struct ctdb_connection * conn,
  66                            bool client_first,
  67                            const char *sep);
  68 char *ctdb_connection_to_string(TALLOC_CTX *mem_ctx,
  69                                 struct ctdb_connection * conn,
  70                                 bool client_first);
  71 int ctdb_connection_from_string(const char *str, bool client_first,
  72                                 struct ctdb_connection *conn);
  73
  74 int ctdb_connection_list_add(struct ctdb_connection_list *conn_list,
  75                              struct ctdb_connection *conn);
  76 int ctdb_connection_list_sort(struct ctdb_connection_list *conn_list);
  77 char *ctdb_connection_list_to_string(
  78         TALLOC_CTX *mem_ctx,
  79         struct ctdb_connection_list *conn_list, bool client_first);
  80 int ctdb_connection_list_read(TALLOC_CTX *mem_ctx,
  81                               int fd,
  82                               bool client_first,
  83                               struct ctdb_connection_list **conn_list);
  84
  85 #endif /* __CTDB_PROTOCOL_UTIL_H__ */