ctdb/protocol/protocol_basic.h

   1 /*
   2    CTDB protocol marshalling
   3
   4    Copyright (C) Amitay Isaacs  2018
   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 __PROTOCOL_BASIC_H__
  21 #define __PROTOCOL_BASIC_H__
  22
  23 /*
  24  * From protocol/protocol_basic.c
  25  */
  26
  27 size_t ctdb_uint8_len(uint8_t *in);
  28 void ctdb_uint8_push(uint8_t *in, uint8_t *buf, size_t *npush);
  29 int ctdb_uint8_pull(uint8_t *buf, size_t buflen, uint8_t *out, size_t *npull);
  30
  31 size_t ctdb_uint16_len(uint16_t *in);
  32 void ctdb_uint16_push(uint16_t *in, uint8_t *buf, size_t *npush);
  33 int ctdb_uint16_pull(uint8_t *buf, size_t buflen, uint16_t *out,
  34                      size_t *npull);
  35
  36 size_t ctdb_int32_len(int32_t *in);
  37 void ctdb_int32_push(int32_t *in, uint8_t *buf, size_t *npush);
  38 int ctdb_int32_pull(uint8_t *buf, size_t buflen, int32_t *out, size_t *npull);
  39
  40 size_t ctdb_uint32_len(uint32_t *in);
  41 void ctdb_uint32_push(uint32_t *in, uint8_t *buf, size_t *npush);
  42 int ctdb_uint32_pull(uint8_t *buf, size_t buflen, uint32_t *out,
  43                      size_t *npull);
  44
  45 size_t ctdb_uint64_len(uint64_t *in);
  46 void ctdb_uint64_push(uint64_t *in, uint8_t *buf, size_t *npush);
  47 int ctdb_uint64_pull(uint8_t *buf, size_t buflen, uint64_t *out,
  48                      size_t *npull);
  49
  50 size_t ctdb_double_len(double *in);
  51 void ctdb_double_push(double *in, uint8_t *buf, size_t *npush);
  52 int ctdb_double_pull(uint8_t *buf, size_t buflen, double *out, size_t *npull);
  53
  54 size_t ctdb_bool_len(bool *in);
  55 void ctdb_bool_push(bool *in, uint8_t *buf, size_t *npush);
  56 int ctdb_bool_pull(uint8_t *buf, size_t buflen, bool *out, size_t *npull);
  57
  58 size_t ctdb_chararray_len(char *in, size_t len);
  59 void ctdb_chararray_push(char *in, size_t len, uint8_t *buf, size_t *npush);
  60 int ctdb_chararray_pull(uint8_t *buf, size_t buflen, char *out, size_t len,
  61                         size_t *npull);
  62
  63 size_t ctdb_string_len(const char **in);
  64 void ctdb_string_push(const char **in, uint8_t *buf, size_t *npush);
  65 int ctdb_string_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
  66                      const char **out, size_t *npull);
  67
  68 size_t ctdb_stringn_len(const char **in);
  69 void ctdb_stringn_push(const char **in, uint8_t *buf, size_t *npush);
  70 int ctdb_stringn_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
  71                       const char **out, size_t *npull);
  72
  73 size_t ctdb_pid_len(pid_t *in);
  74 void ctdb_pid_push(pid_t *in, uint8_t *buf, size_t *npush);
  75 int ctdb_pid_pull(uint8_t *buf, size_t buflen, pid_t *out, size_t *npull);
  76
  77 size_t ctdb_timeval_len(struct timeval *in);
  78 void ctdb_timeval_push(struct timeval *in, uint8_t *buf, size_t *npush);
  79 int ctdb_timeval_pull(uint8_t *buf, size_t buflen, struct timeval *out,
  80                       size_t *npull);
  81
  82 size_t ctdb_padding_len(int count);
  83 void ctdb_padding_push(int count, uint8_t *buf, size_t *npush);
  84 int ctdb_padding_pull(uint8_t *buf, size_t buflen, int count, size_t *npull);
  85
  86 #endif /* __PROTOCOL_BASIC_H__ */