Extend lp:655423 just to see if we can trigger it via any other method.
[awesomized/libmemcached] / libmemcached / options / context.h
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Libmemcached library
4 *
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
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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
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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36 */
37
38 #pragma once
39
40 #include <libmemcached/common.h>
41
42 class Context
43 {
44 public:
45 Context(const char *option_string, size_t option_string_length, memcached_st *memc_arg,
46 memcached_return_t &rc_arg) :
47 scanner(NULL),
48 begin(NULL),
49 pos(0),
50 memc(NULL),
51 rc(rc_arg),
52 _is_server(false),
53 _end(false)
54 {
55 _hostname[0]= 0;
56 buf= option_string;
57 length= option_string_length;
58 memc= memc_arg;
59 init_scanner();
60 rc= MEMCACHED_SUCCESS;
61 }
62
63 bool end()
64 {
65 return _end;
66 }
67
68 void start();
69
70 void set_end()
71 {
72 rc= MEMCACHED_SUCCESS;
73 _end= true;
74 }
75
76 void set_server()
77 {
78 _is_server= true;
79 }
80
81 void unset_server()
82 {
83 _is_server= false;
84 }
85
86 bool is_server()
87 {
88 return _is_server;
89 }
90
91 const char *set_hostname(const char *str, size_t size)
92 {
93 size_t copy_length= (size_t)NI_MAXHOST > size ? size : (size_t)NI_MAXHOST;
94 memcpy(_hostname, str, copy_length);
95 _hostname[copy_length]= 0;
96
97 return _hostname;
98 }
99
100 const char *hostname()
101 {
102 return _hostname;
103 }
104
105 void abort(const char *error)
106 {
107 if (rc == MEMCACHED_SUCCESS)
108 rc= MEMCACHED_PARSE_ERROR;
109
110 memcached_string_st *error_string= memcached_string_create(memc, NULL, 1024);
111 memcached_string_append(error_string, memcached_literal_param("Error occured while parsing: "));
112 memcached_string_append(error_string, memcached_string_make_from_cstr(begin));
113 memcached_string_append(error_string, memcached_literal_param(" ("));
114
115 if (rc == MEMCACHED_PARSE_ERROR and error)
116 {
117 memcached_string_append(error_string, memcached_string_make_from_cstr(error));
118 }
119 else
120 {
121 memcached_string_append(error_string, memcached_string_make_from_cstr(memcached_strerror(NULL, rc)));
122 }
123 memcached_string_append(error_string, memcached_literal_param(")"));
124
125 memcached_set_error(*memc, rc, MEMCACHED_AT, memcached_string_value(error_string), memcached_string_length(error_string));
126
127 memcached_string_free(error_string);
128 }
129
130 ~Context()
131 {
132 destroy_scanner();
133 }
134
135 void *scanner;
136 const char *buf;
137 const char *begin;
138 size_t pos;
139 size_t length;
140 memcached_st *memc;
141 memcached_return_t &rc;
142
143 protected:
144 void init_scanner();
145 void destroy_scanner();
146
147 private:
148 bool _is_server;
149 bool _end;
150 char _hostname[NI_MAXHOST];
151 };