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3be077bb2a
* port useful code from incomplete PRs * change systemd-journal plugin default thread name
177 lines
17 KiB
C
177 lines
17 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#ifndef NETDATA_JSON_C_PARSER_INLINE_H
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#define NETDATA_JSON_C_PARSER_INLINE_H
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#define JSONC_PARSE_BOOL_OR_ERROR_AND_RETURN(jobj, path, member, dst, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_boolean)) \
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dst = json_object_get_boolean(_j); \
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else { \
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buffer_sprintf(error, "missing or invalid type for '%s.%s' boolean", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_TXT2STRING_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \
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string_freez(dst); \
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dst = string_strdupz(json_object_get_string(_j)); \
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} \
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else if(required) { \
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buffer_sprintf(error, "missing or invalid type for '%s.%s' string", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_TXT2BUFFER_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \
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const char *_s = json_object_get_string(_j); \
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if(!_s || !*_s) { \
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buffer_free(dst); \
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dst = NULL; \
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} \
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else { \
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if (dst) \
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buffer_flush(dst); \
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else \
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dst = buffer_create(0, NULL); \
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if (_s && *_s) \
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buffer_strcat(dst, _s); \
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} \
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} \
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else if(required) { \
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buffer_sprintf(error, "missing or invalid type for '%s.%s' string", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_TXT2PATTERN_OR_ERROR_AND_RETURN(jobj, path, member, dst, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \
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string_freez(dst); \
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const char *_v = json_object_get_string(_j); \
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if(strcmp(_v, "*") == 0) \
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dst = NULL; \
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else \
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dst = string_strdupz(_v); \
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} \
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else { \
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buffer_sprintf(error, "missing or invalid type for '%s.%s' string", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_TXT2EXPRESSION_OR_ERROR_AND_RETURN(jobj, path, member, dst, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \
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const char *_t = json_object_get_string(_j); \
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if(_t && *_t && strcmp(_t, "*") != 0) { \
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const char *_failed_at = NULL; \
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int _err = 0; \
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expression_free(dst); \
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dst = expression_parse(_t, &_failed_at, &_err); \
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if(!dst) { \
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buffer_sprintf(error, "expression '%s.%s' has a non-parseable expression '%s': %s at '%s'", \
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path, member, _t, expression_strerror(_err), _failed_at); \
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return false; \
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} \
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} \
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} \
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else { \
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buffer_sprintf(error, "missing or invalid type for '%s.%s' expression", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_ARRAY_OF_TXT2BITMAP_OR_ERROR_AND_RETURN(jobj, path, member, converter, dst, error) do { \
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json_object *_jarray; \
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if (json_object_object_get_ex(jobj, member, &_jarray) && json_object_is_type(_jarray, json_type_array)) { \
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size_t _num_options = json_object_array_length(_jarray); \
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dst = 0; \
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for (size_t _i = 0; _i < _num_options; ++_i) { \
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json_object *_joption = json_object_array_get_idx(_jarray, _i); \
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if (!json_object_is_type(_joption, json_type_string)) { \
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buffer_sprintf(error, "invalid type for '%s.%s' at index %zu", path, member, _i); \
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return false; \
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} \
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const char *_option_str = json_object_get_string(_joption); \
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typeof(dst) _bit = converter(_option_str); \
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if (_bit == 0) { \
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buffer_sprintf(error, "unknown option '%s' in '%s.%s' at index %zu", _option_str, path, member, _i); \
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return false; \
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} \
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dst |= _bit; \
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} \
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} else { \
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buffer_sprintf(error, "missing or invalid type for '%s.%s' array", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_TXT2ENUM_OR_ERROR_AND_RETURN(jobj, path, member, converter, dst, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) \
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dst = converter(json_object_get_string(_j)); \
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else { \
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buffer_sprintf(error, "missing or invalid type (expected text value) for '%s.%s' enum", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_INT_OR_ERROR_AND_RETURN(jobj, path, member, dst, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j)) { \
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if (_j != NULL && json_object_is_type(_j, json_type_int)) \
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dst = json_object_get_int(_j); \
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else if (_j != NULL && json_object_is_type(_j, json_type_double)) \
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dst = (typeof(dst))json_object_get_double(_j); \
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else if (_j == NULL) \
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dst = 0; \
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else { \
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buffer_sprintf(error, "not supported type (expected int) for '%s.%s'", path, member); \
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return false; \
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} \
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} else { \
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buffer_sprintf(error, "missing or invalid type (expected double value or null) for '%s.%s'", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_DOUBLE_OR_ERROR_AND_RETURN(jobj, path, member, dst, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j)) { \
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if (_j != NULL && json_object_is_type(_j, json_type_double)) \
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dst = json_object_get_double(_j); \
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else if (_j != NULL && json_object_is_type(_j, json_type_int)) \
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dst = (typeof(dst))json_object_get_int(_j); \
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else if (_j == NULL) \
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dst = NAN; \
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else { \
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buffer_sprintf(error, "not supported type (expected double) for '%s.%s'", path, member); \
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return false; \
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} \
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} else { \
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buffer_sprintf(error, "missing or invalid type (expected double value or null) for '%s.%s'", path, member); \
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return false; \
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} \
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} while(0)
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#define JSONC_PARSE_SUBOBJECT(jobj, path, member, dst, callback, error) do { \
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json_object *_j; \
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if (json_object_object_get_ex(jobj, member, &_j)) { \
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char _new_path[strlen(path) + strlen(member) + 2]; \
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snprintfz(_new_path, sizeof(_new_path), "%s%s%s", path, *path?".":"", member); \
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if (!callback(_j, _new_path, dst, error)) { \
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return false; \
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} \
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} else { \
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buffer_sprintf(error, "missing '%s.%s' object", path, member); \
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return false; \
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} \
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} while(0)
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#endif //NETDATA_JSON_C_PARSER_INLINE_H
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