git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/csl/context.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Configure Scripting Language
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #include <libmemcached/csl/common.h>
  39 #include <libmemcached/csl/context.h>
  40
  41 void Context::abort(const char *error_arg, yytokentype last_token, const char *last_token_str)
  42 {
  43   rc= MEMCACHED_PARSE_ERROR;
  44   (void)last_token;
  45   (void)last_token_str;
  46
  47   if (error_arg)
  48   {
  49     memcached_set_parser_error(*memc, MEMCACHED_AT, "Error occured while parsing: %s", error_arg);
  50     return;
  51   }
  52
  53   memcached_set_parser_error(*memc, MEMCACHED_AT, "Error occured while parsing: %s", memcached_strerror(NULL, MEMCACHED_PARSE_ERROR));
  54 }
  55
  56 void Context::error(const char *error_arg, yytokentype last_token, const char *last_token_str)
  57 {
  58   rc= MEMCACHED_PARSE_ERROR;
  59   if (not error_arg)
  60   {
  61     memcached_set_parser_error(*memc, MEMCACHED_AT, "Unknown error occured during parsing (%s)", last_token_str ? last_token_str : " ");
  62     return;
  63   }
  64
  65   if (error_arg and strcmp(error_arg, "memory exhausted") == 0)
  66   {
  67     (void)memcached_set_error(*memc, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, memcached_string_make_from_cstr(error_arg));
  68     return;
  69   }
  70
  71   // We now test if it is something other then a syntax error, if it  we
  72   // return a generic message
  73   if (error_arg and strcmp(error_arg, "syntax error") == 0)
  74   { }
  75   else if (error_arg)
  76   {
  77     memcached_set_parser_error(*memc, MEMCACHED_AT, "Error occured during parsing (%s)", error_arg);
  78     return;
  79   }
  80
  81   if (last_token == UNKNOWN_OPTION and begin)
  82   {
  83     memcached_set_parser_error(*memc, MEMCACHED_AT, "Unknown option: %s", begin);
  84   }
  85   else if (last_token == UNKNOWN)
  86   {
  87     memcached_set_parser_error(*memc, MEMCACHED_AT, "Error occured durring parsing, an unknown token was found.");
  88   }
  89   else
  90   {
  91     memcached_set_parser_error(*memc, MEMCACHED_AT, "Error occured while parsing (%s)", last_token_str ? last_token_str : " ");
  92   }
  93 }
  94
  95 const char *Context::set_hostname(const char *str, size_t size)
  96 {
  97   size_t copy_length= size_t(NI_MAXHOST) > size ? size : size_t(NI_MAXHOST);
  98   memcpy(_hostname, str, copy_length);
  99   _hostname[copy_length]= 0;
 100
 101   return _hostname;
 102 }
 103