1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
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16 * copyright notice, this list of conditions and the following disclaimer
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21 * promote products derived from this software without specific prior
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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40 #include <libmemcached/options/parser.h>
41 #include <libmemcached/options/scanner.h>
43 int libmemcached_parse(type_st
*, yyscan_t
*);
45 const char *memcached_parse_filename(memcached_st
*memc
)
47 return memcached_array_string(memc
->configure
.filename
);
50 size_t memcached_parse_filename_length(memcached_st
*memc
)
52 return memcached_array_size(memc
->configure
.filename
);
55 static memcached_return_t
_parse_file_options(memcached_st
*self
, memcached_string_t
*filename
)
57 FILE *fp
= fopen(filename
->c_str
, "r");
59 return memcached_set_errno(self
, errno
, NULL
);
62 memcached_return_t rc
= MEMCACHED_INVALID_ARGUMENTS
;
63 while (fgets(buffer
, sizeof(buffer
), fp
))
65 size_t length
= strlen(buffer
);
67 if (length
== 1 and buffer
[0] == '\n')
70 rc
= memcached_parse_configuration(self
, buffer
, length
);
71 if (rc
!= MEMCACHED_SUCCESS
)
79 memcached_return_t
libmemcached_check_configuration(const char *option_string
, size_t length
, const char *error_buffer
, size_t error_buffer_size
)
81 memcached_st memc
, *memc_ptr
;
83 if (! (memc_ptr
= memcached_create(&memc
)))
84 return MEMCACHED_MEMORY_ALLOCATION_FAILURE
;
86 memcached_return_t rc
= memcached_parse_configuration(memc_ptr
, option_string
, length
);
87 if (rc
!= MEMCACHED_SUCCESS
&& error_buffer
&& error_buffer_size
)
89 strncpy(error_buffer
, error_buffer_size
, memcached_last_error_message(memc_ptr
));
92 if (rc
== MEMCACHED_SUCCESS
&& memcached_behavior_get(memc_ptr
, MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
))
94 memcached_string_t filename
= memcached_array_to_string(memc_ptr
->configure
.filename
);
95 rc
= _parse_file_options(memc_ptr
, &filename
);
97 if (rc
!= MEMCACHED_SUCCESS
&& error_buffer
&& error_buffer_size
)
99 strncpy(error_buffer
, error_buffer_size
, memcached_last_error_message(memc_ptr
));
103 memcached_free(memc_ptr
);
108 memcached_return_t
memcached_parse_configuration(memcached_st
*self
, char const *option_string
, size_t length
)
111 memset(&pp
, 0, sizeof(type_st
));
113 WATCHPOINT_ASSERT(self
);
115 return memcached_set_error(self
, MEMCACHED_INVALID_ARGUMENTS
, NULL
);
117 pp
.buf
= option_string
;
120 libmemcached_lex_init(&pp
.yyscanner
);
121 libmemcached_set_extra(&pp
, pp
.yyscanner
);
122 bool success
= libmemcached_parse(&pp
, pp
.yyscanner
) == 0;
123 libmemcached_lex_destroy(pp
.yyscanner
);
126 return memcached_set_error(self
, MEMCACHED_PARSE_ERROR
, NULL
);
128 return MEMCACHED_SUCCESS
;
131 void memcached_set_configuration_file(memcached_st
*self
, const char *filename
, size_t filename_length
)
133 memcached_array_free(self
->configure
.filename
);
134 self
->configure
.filename
= memcached_strcpy(self
, filename
, filename_length
);
137 memcached_return_t
memcached_parse_configure_file(memcached_st
*self
, const char *filename
, size_t filename_length
)
140 return memcached_set_error(self
, MEMCACHED_INVALID_ARGUMENTS
, NULL
);
142 if (! filename
|| filename_length
== 0)
143 return memcached_set_error(self
, MEMCACHED_INVALID_ARGUMENTS
, NULL
);
145 memcached_string_t tmp
;
147 tmp
.size
= filename_length
;
149 return _parse_file_options(self
, &tmp
);