wedb_standalone 0.1.1

单机网络服务底座：RESP 协议帧、AOF 逻辑层与节点服务编排（对标 Garnet libs/server 单机半区）
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224

//! 常量字符串基建（对标 libs/server/Lua/LuaRunner.Strings.cs:ConstantStringRegistryIndexes）。
//!
//! C# 把高频字符串预载进 VM Registry 换取零拷贝；Rust 侧宿主回调可直接以
//! `&'static [u8]` 建串，故常量表以静态字节承载；[`LuaRunner_Strings::constant_string_to_registry`]
//! 保留 1:1 注册语义（压栈 + TryRef），供注册表索引形态的调用方使用。

use super::lua_state_wrapper::LuaStateWrapper;

/// 高频常量串（字段名对齐 C# ConstantStringRegistryIndexes 属性）。
pub struct ConstantStrings;

impl ConstantStrings {
  /// <see cref="CmdStrings.LUA_OK"/>
  pub const OK: &[u8] = b"OK";
  /// <see cref="CmdStrings.LUA_ok"/>
  pub const OK_LOWER: &[u8] = b"ok";
  /// <see cref="CmdStrings.LUA_err"/>
  pub const ERR: &[u8] = b"err";
  /// <see cref="CmdStrings.LUA_No_session_available"/>
  pub const NO_SESSION_AVAILABLE: &[u8] = b"No session available";
  /// <see cref="CmdStrings.LUA_ERR_Please_specify_at_least_one_argument_for_this_redis_lib_call"/>
  pub const PLEASE_SPECIFY_REDIS_CALL: &[u8] =
    b"ERR Please specify at least one argument for this redis lib call";
  /// <see cref="CmdStrings.RESP_ERR_NOPERM"/>
  pub const ERR_NO_PERM: &[u8] = b"NOPERM this user has no permissions to run the command";
  /// <see cref="CmdStrings.LUA_ERR_Unknown_Redis_command_called_from_script"/>
  pub const ERR_UNKNOWN: &[u8] = b"ERR Unknown Redis command called from script";
  /// <see cref="CmdStrings.RESP_ERR_GENERIC_UNK_CMD"/>
  ///
  /// 通用未知命令错误文本（ProcessSingleRespTerm 的特判比对串）。
  pub const RESP_ERR_GENERIC_UNK_CMD: &[u8] = b"ERR unknown command";
  /// <see cref="CmdStrings.LUA_ERR_Lua_redis_lib_command_arguments_must_be_strings_or_integers"/>
  pub const ERR_BAD_ARG: &[u8] = b"ERR Lua redis lib command arguments must be strings or integers";
  /// <see cref="CmdStrings.LUA_ERR_wrong_number_of_arguments"/>
  pub const ERR_WRONG_NUMBER_OF_ARGS: &[u8] = b"ERR wrong number of arguments";
  /// <see cref="CmdStrings.LUA_ERR_redis_log_requires_two_arguments_or_more"/>
  pub const ERR_REDIS_LOG_REQUIRED: &[u8] = b"ERR redis.log() requires two arguments or more.";
  /// <see cref="CmdStrings.LUA_ERR_First_argument_must_be_a_number_log_level"/>
  pub const ERR_FIRST_ARG_MUST_BE_NUMBER: &[u8] =
    b"ERR First argument must be a number (log level).";
  /// <see cref="CmdStrings.LUA_ERR_Invalid_debug_level"/>
  pub const ERR_INVALID_DEBUG_LEVEL: &[u8] = b"ERR Invalid debug level.";
  /// <see cref="CmdStrings.LUA_ERR_Invalid_command_passed_to_redis_acl_check_cmd"/>
  pub const ERR_INVALID_COMMAND: &[u8] = b"ERR Invalid command passed to redis.acl_check_cmd()";
  /// <see cref="CmdStrings.LUA_ERR_redis_setresp_requires_one_argument"/>
  pub const ERR_REDIS_SETRESP_ARG: &[u8] = b"ERR redis.setresp() requires one argument.";
  /// <see cref="CmdStrings.LUA_ERR_RESP_version_must_be_2_or_3"/>
  pub const ERR_RESP_VERSION: &[u8] = b"ERR RESP version must be 2 or 3.";
  /// <see cref="CmdStrings.LUA_ERR_redis_log_disabled"/>
  pub const ERR_LOGGING_DISABLED: &[u8] = b"ERR redis.log(...) disabled in Garnet config";
  /// <see cref="CmdStrings.LUA_double"/>
  pub const DOUBLE: &[u8] = b"double";
  /// <see cref="CmdStrings.LUA_map"/>
  pub const MAP: &[u8] = b"map";
  /// <see cref="CmdStrings.Lua_set"/>
  pub const SET: &[u8] = b"set";
  /// <see cref="CmdStrings.LUA_big_number"/>
  pub const BIG_NUMBER: &[u8] = b"big_number";
  /// <see cref="CmdStrings.LUA_format"/>
  pub const FORMAT: &[u8] = b"format";
  /// <see cref="CmdStrings.LUA_string"/>
  pub const STRING: &[u8] = b"string";
  /// <see cref="CmdStrings.LUA_bad_arg_atan2"/>
  pub const BAD_ARG_ATAN2: &[u8] = b"bad argument to atan2";
  /// <see cref="CmdStrings.LUA_bad_arg_cosh"/>
  pub const BAD_ARG_COSH: &[u8] = b"bad argument to cosh";
  /// <see cref="CmdStrings.LUA_bad_arg_frexp"/>
  pub const BAD_ARG_FREXP: &[u8] = b"bad argument to frexp";
  /// <see cref="CmdStrings.LUA_bad_arg_ldexp"/>
  pub const BAD_ARG_LDEXP: &[u8] = b"bad argument to ldexp";
  /// <see cref="CmdStrings.LUA_bad_arg_log10"/>
  pub const BAD_ARG_LOG10: &[u8] = b"bad argument to log10";
  /// <see cref="CmdStrings.LUA_bad_arg_pow"/>
  pub const BAD_ARG_POW: &[u8] = b"bad argument to pow";
  /// <see cref="CmdStrings.LUA_bad_arg_sinh"/>
  pub const BAD_ARG_SINH: &[u8] = b"bad argument to sinh";
  /// <see cref="CmdStrings.LUA_bad_arg_tanh"/>
  pub const BAD_ARG_TANH: &[u8] = b"bad argument to tanh";
  /// <see cref="CmdStrings.LUA_bad_arg_maxn"/>
  pub const BAD_ARG_MAXN: &[u8] = b"bad argument to maxn";
  /// <see cref="CmdStrings.LUA_bad_arg_loadstring"/>
  pub const BAD_ARG_LOAD_STRING: &[u8] = b"bad argument to loadstring";
  /// <see cref="CmdStrings.LUA_bad_arg_loadstring_null_byte"/>
  pub const BAD_ARG_LOAD_STRING_NULL_BYTE: &[u8] =
    b"bad argument to loadstring, interior null byte";
  /// <see cref="CmdStrings.LUA_bad_arg_tobit"/>
  pub const BAD_ARG_TO_BIT: &[u8] = b"bad argument to tobit";
  /// <see cref="CmdStrings.LUA_bad_arg_tohex"/>
  pub const BAD_ARG_TO_HEX: &[u8] = b"bad argument to tohex";
  /// <see cref="CmdStrings.LUA_bad_arg_bswap"/>
  pub const BAD_ARG_BSWAP: &[u8] = b"bad argument to bswap";
  /// <see cref="CmdStrings.LUA_bad_arg_bnot"/>
  pub const BAD_ARG_BNOT: &[u8] = b"bad argument to bnot";
  /// <see cref="CmdStrings.LUA_bad_arg_encode"/>
  pub const BAD_ARG_ENCODE: &[u8] = b"bad argument to encode";
  /// <see cref="CmdStrings.LUA_bad_arg_decode"/>
  pub const BAD_ARG_DECODE: &[u8] = b"bad argument to decode";
  /// <see cref="CmdStrings.LUA_bad_arg_pack"/>
  pub const BAD_ARG_PACK: &[u8] = b"bad argument to pack";
  /// <see cref="CmdStrings.LUA_bad_arg_unpack"/>
  pub const BAD_ARG_UNPACK: &[u8] = b"bad argument to unpack";
  /// <see cref="CmdStrings.LUA_bad_arg_format"/>
  pub const BAD_ARG_FORMAT: &[u8] = b"bad argument to format";
  /// <see cref="CmdStrings.LUA_bad_arg_bor"/>
  pub const BAD_ARG_BOR: &[u8] = b"bad argument to bor";
  /// <see cref="CmdStrings.LUA_bad_arg_band"/>
  pub const BAD_ARG_BAND: &[u8] = b"bad argument to band";
  /// <see cref="CmdStrings.LUA_bad_arg_bxor"/>
  pub const BAD_ARG_BXOR: &[u8] = b"bad argument to bxor";
  /// <see cref="CmdStrings.LUA_bad_arg_lshift"/>
  pub const BAD_ARG_LSHIFT: &[u8] = b"bad argument to lshift";
  /// <see cref="CmdStrings.LUA_bad_arg_rshift"/>
  pub const BAD_ARG_RSHIFT: &[u8] = b"bad argument to rshift";
  /// <see cref="CmdStrings.LUA_bad_arg_arshift"/>
  pub const BAD_ARG_ARSHIFT: &[u8] = b"bad argument to arshift";
  /// <see cref="CmdStrings.LUA_bad_arg_rol"/>
  pub const BAD_ARG_ROL: &[u8] = b"bad argument to rol";
  /// <see cref="CmdStrings.LUA_bad_arg_ror"/>
  pub const BAD_ARG_ROR: &[u8] = b"bad argument to ror";
  /// <see cref="CmdStrings.LUA_unexpected_json_value_kind"/>
  pub const UNEXPECTED_JSON_VALUE_KIND: &[u8] = b"Unexpected json value kind";
  /// <see cref="CmdStrings.LUA_cannot_serialise_to_json"/>
  pub const CANNOT_SERIALISE_TO_JSON: &[u8] = b"Cannot serialise Lua type to JSON";
  /// <see cref="CmdStrings.LUA_unexpected_error"/>
  pub const UNEXPECTED_ERROR: &[u8] = b"Unexpected Lua error";
  /// <see cref="CmdStrings.LUA_cannot_serialise_excessive_nesting"/>
  pub const CANNOT_SERIALISE_NESTING: &[u8] = b"Cannot serialise, excessive nesting (1001)";
  /// <see cref="CmdStrings.LUA_unable_to_format_number"/>
  pub const UNABLE_TO_FORMAT_NUMBER: &[u8] = b"Unable to format number";
  /// <see cref="CmdStrings.LUA_found_too_many_nested"/>
  pub const FOUND_TOO_MANY_NESTED: &[u8] = b"Found too many nested data structures (1001)";
  /// <see cref="CmdStrings.LUA_expected_value_but_found_invalid"/>
  pub const EXPECTED_VALUE_BUT_FOUND: &[u8] = b"Expected value but found invalid token.";
  /// <see cref="CmdStrings.LUA_missing_bytes_in_input"/>
  pub const MISSING_BYTES_IN_INPUT: &[u8] = b"Missing bytes in input.";
  /// <see cref="CmdStrings.LUA_unexpected_msgpack_sigil"/>
  pub const UNEXPECTED_MSGPACK_SIGIL: &[u8] = b"Unexpected MsgPack sigil";
  /// <see cref="CmdStrings.LUA_msgpack_string_too_long"/>
  pub const MSGPACK_STRING_TOO_LONG: &[u8] = b"MsgPack string is too long";
  /// <see cref="CmdStrings.LUA_msgpack_array_too_long"/>
  pub const MSGPACK_ARRAY_TOO_LONG: &[u8] = b"MsgPack array is too long";
  /// <see cref="CmdStrings.LUA_msgpack_map_too_long"/>
  pub const MSGPACK_MAP_TOO_LONG: &[u8] = b"MsgPack map is too long";
  /// <see cref="CmdStrings.LUA_insufficient_lua_stack_space"/>
  pub const INSUFFICIENT_LUA_STACK_SPACE: &[u8] = b"Insufficient Lua stack space";
  /// <see cref="CmdStrings.LUA_parameter_reset_failed_memory"/>
  pub const PARAMETER_RESET_FAILED_MEMORY: &[u8] =
    b"Resetting parameters to Lua script failed: Memory";
  /// <see cref="CmdStrings.LUA_parameter_reset_failed_syntax"/>
  pub const PARAMETER_RESET_FAILED_SYNTAX: &[u8] =
    b"Resetting parameters to Lua script failed: Syntax";
  /// <see cref="CmdStrings.LUA_parameter_reset_failed_runtime"/>
  pub const PARAMETER_RESET_FAILED_RUNTIME: &[u8] =
    b"Resetting parameters to Lua script failed: Runtime";
  /// <see cref="CmdStrings.LUA_parameter_reset_failed_other"/>
  pub const PARAMETER_RESET_FAILED_OTHER: &[u8] =
    b"Resetting parameters to Lua script failed: Other";
  /// <see cref="CmdStrings.LUA_out_of_memory"/>
  pub const OUT_OF_MEMORY: &[u8] = b"Lua VM ran out of memory";
  /// <see cref="CmdStrings.RESP_ERR_GENERIC_UNK_CMD"/>（前缀形态，用于识别 unknown command）
  pub const ERR_UNKNOWN_TEXT: &[u8] = b"ERR unknown command";
  /// <see cref="CmdStrings.LUA_load_string_error"/>
  pub const LOAD_STRING_ERROR: &[u8] = b"load_string encountered error";
  /// <see cref="CmdStrings.LUA_AND"/>
  pub const AND: &[u8] = b"AND";
  /// <see cref="CmdStrings.LUA_OR"/>
  pub const OR: &[u8] = b"OR";
  /// <see cref="CmdStrings.LUA_XOR"/>
  pub const XOR: &[u8] = b"XOR";
  /// <see cref="CmdStrings.LUA_NOT"/>
  pub const NOT: &[u8] = b"NOT";
  /// <see cref="CmdStrings.LUA_DIFF"/>
  pub const DIFF: &[u8] = b"DIFF";
  /// <see cref="CmdStrings.LUA_KEYS"/>
  pub const KEYS: &[u8] = b"KEYS";
  /// <see cref="CmdStrings.LUA_ARGV"/>
  pub const ARGV: &[u8] = b"ARGV";
}

pub struct LuaRunner_Strings;

impl LuaRunner_Strings {
  /// libs/server/Lua/LuaRunner.Strings.cs:ConstantStringToRegistry
  ///
  /// 高频字符串压栈并转入注册表，返回引用 id（C# TryRef 形态）。
  pub fn constant_string_to_registry(state: &mut LuaStateWrapper, string: &[u8]) -> i32 {
    if !state.try_push_buffer(string) {
      panic!("Insufficient space in Lua VM for constant string");
    }
    state
      .try_ref()
      .expect("Insufficient space in Lua VM for constant string")
  }
}

#[cfg(test)]
mod tests {
  use super::{ConstantStrings, LuaRunner_Strings};
  use crate::lua::lua_state_wrapper::LuaStateWrapper;

  #[test]
  fn constant_string_texts_match_cmd_strings() {
    assert_eq!(ConstantStrings::OK_LOWER, b"ok");
    assert_eq!(
      ConstantStrings::ERR_UNKNOWN,
      b"ERR Unknown Redis command called from script"
    );
    assert_eq!(
      ConstantStrings::CANNOT_SERIALISE_NESTING,
      b"Cannot serialise, excessive nesting (1001)"
    );
    assert_eq!(ConstantStrings::KEYS, b"KEYS");
    assert_eq!(ConstantStrings::ARGV, b"ARGV");
  }

  #[test]
  fn constant_string_to_registry_roundtrip() {
    let mut state = LuaStateWrapper::new();
    let id = LuaRunner_Strings::constant_string_to_registry(&mut state, ConstantStrings::OK_LOWER);
    assert!(state.expect_lua_stack_empty());
    assert!(state.push_ref(id));
    assert_eq!(state.known_string_to_buffer(-1).unwrap(), b"ok");
  }
}