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lib.rs
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extern crate redis_module;
use redis_module::native_types::RedisType;
use redis_module::raw::RedisModuleTypeMethods;
#[cfg(not(feature = "as-library"))]
use redis_module::Status;
#[cfg(not(feature = "as-library"))]
use redis_module::{Context, RedisResult};
#[cfg(not(feature = "as-library"))]
use crate::c_api::{
get_llapi_ctx, json_api_free_iter, json_api_get, json_api_get_at, json_api_get_boolean,
json_api_get_double, json_api_get_int, json_api_get_json, json_api_get_len,
json_api_get_string, json_api_get_type, json_api_is_json, json_api_len, json_api_next,
json_api_open_key_internal, LLAPI_CTX,
};
use crate::redisjson::Format;
mod array_index;
mod backward;
pub mod c_api;
pub mod commands;
pub mod error;
mod formatter;
pub mod manager;
mod nodevisitor;
pub mod redisjson;
pub const REDIS_JSON_TYPE_VERSION: i32 = 3;
pub static REDIS_JSON_TYPE: RedisType = RedisType::new(
"ReJSON-RL",
REDIS_JSON_TYPE_VERSION,
RedisModuleTypeMethods {
version: redis_module::TYPE_METHOD_VERSION,
rdb_load: Some(redisjson::type_methods::rdb_load),
rdb_save: Some(redisjson::type_methods::rdb_save),
aof_rewrite: None, // TODO add support
free: Some(redisjson::type_methods::free),
// Currently unused by Redis
mem_usage: None,
digest: None,
// Auxiliary data (v2)
aux_load: None,
aux_save: None,
aux_save_triggers: 0,
free_effort: None,
unlink: None,
copy: None,
defrag: None,
},
);
/////////////////////////////////////////////////////
#[macro_export]
macro_rules! redis_json_module_create {(
data_types: [
$($data_type:ident),* $(,)*
],
pre_command_function: $pre_command_function_expr:expr,
get_manage: $get_manager_expr:expr,
version: $version:expr,
init: $init_func:expr,
) => {
use redis_module::{redis_command, redis_module, RedisString};
use std::marker::PhantomData;
use std::os::raw::{c_double, c_int, c_longlong};
use redis_module::{raw as rawmod};
use rawmod::ModuleOptions;
use std::{
ffi::CStr,
os::raw::{c_char, c_void},
};
use libc::size_t;
///
/// JSON.DEL <key> [path]
///
fn json_del(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_del(mngr, ctx, args),
None => commands::command_json_del(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.GET <key>
/// [INDENT indentation-string]
/// [NEWLINE line-break-string]
/// [SPACE space-string]
/// [path ...]
///
/// TODO add support for multi path
fn json_get(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_get(mngr, ctx, args),
None => commands::command_json_get(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.SET <key> <path> <json> [NX | XX | FORMAT <format>]
///
fn json_set(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_set(mngr, ctx, args),
None => commands::command_json_set(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.MGET <key> [key ...] <path>
///
fn json_mget(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_mget(mngr, ctx, args),
None => commands::command_json_mget(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.STRLEN <key> [path]
///
fn json_str_len(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_str_len(mngr, ctx, args),
None => commands::command_json_str_len(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.TYPE <key> [path]
///
fn json_type(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_type(mngr, ctx, args),
None => commands::command_json_type(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.NUMINCRBY <key> <path> <number>
///
fn json_num_incrby(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_num_incrby(mngr, ctx, args),
None => commands::command_json_num_incrby(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.NUMMULTBY <key> <path> <number>
///
fn json_num_multby(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_num_multby(mngr, ctx, args),
None => commands::command_json_num_multby(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.NUMPOWBY <key> <path> <number>
///
fn json_num_powby(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_num_powby(mngr, ctx, args),
None => commands::command_json_num_powby(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
//
/// JSON.TOGGLE <key> <path>
fn json_bool_toggle(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_bool_toggle(mngr, ctx, args),
None => commands::command_json_bool_toggle(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.STRAPPEND <key> [path] <json-string>
///
fn json_str_append(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_str_append(mngr, ctx, args),
None => commands::command_json_str_append(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.ARRAPPEND <key> <path> <json> [json ...]
///
fn json_arr_append(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_arr_append(mngr, ctx, args),
None => commands::command_json_arr_append(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.ARRINDEX <key> <path> <json-scalar> [start [stop]]
///
/// scalar - number, string, Boolean (true or false), or null
///
fn json_arr_index(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_arr_index(mngr, ctx, args),
None => commands::command_json_arr_index(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.ARRINSERT <key> <path> <index> <json> [json ...]
///
fn json_arr_insert(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_arr_insert(mngr, ctx, args),
None => commands::command_json_arr_insert(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.ARRLEN <key> [path]
///
fn json_arr_len(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_arr_len(mngr, ctx, args),
None => commands::command_json_arr_len(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.ARRPOP <key> [path [index]]
///
fn json_arr_pop(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_arr_pop(mngr, ctx, args),
None => commands::command_json_arr_pop(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.ARRTRIM <key> <path> <start> <stop>
///
fn json_arr_trim(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_arr_trim(mngr, ctx, args),
None => commands::command_json_arr_trim(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.OBJKEYS <key> [path]
///
fn json_obj_keys(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_obj_keys(mngr, ctx, args),
None => commands::command_json_obj_keys(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.OBJLEN <key> [path]
///
fn json_obj_len(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_obj_len(mngr, ctx, args),
None => commands::command_json_obj_len(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.CLEAR <key> [path ...]
///
fn json_clear(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_clear(mngr, ctx, args),
None => commands::command_json_clear(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.DEBUG <subcommand & arguments>
///
/// subcommands:
/// MEMORY <key> [path]
/// HELP
///
fn json_debug(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_debug(mngr, ctx, args),
None => commands::command_json_debug(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
///
/// JSON.RESP <key> [path]
///
fn json_resp(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_resp(mngr, ctx, args),
None => commands::command_json_resp(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
fn json_cache_info(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_cache_info(mngr, ctx, args),
None => commands::command_json_cache_info(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
fn json_cache_init(ctx: &Context, args: Vec<RedisString>) -> RedisResult {
$pre_command_function_expr(ctx, &args);
let m = $get_manager_expr;
match m {
Some(mngr) => commands::command_json_cache_init(mngr, ctx, args),
None => commands::command_json_cache_init(manager::RedisJsonKeyManager{phantom:PhantomData}, ctx, args),
}
}
redis_json_module_export_shared_api! {
get_manage:$get_manager_expr,
pre_command_function: $pre_command_function_expr,
}
fn intialize(ctx: &Context, args: &Vec<RedisString>) -> Status {
export_shared_api(ctx);
ctx.set_module_options(ModuleOptions::HANDLE_IO_ERRORS);
ctx.log_notice("Enabled diskless replication");
$init_func(ctx, args)
}
redis_module! {
name: "ReJSON",
version: $version,
data_types: [$($data_type,)*],
init: intialize,
commands: [
["json.del", json_del, "write", 1,1,1],
["json.get", json_get, "readonly", 1,1,1],
["json.mget", json_mget, "readonly", 1,1,1],
["json.set", json_set, "write deny-oom", 1,1,1],
["json.type", json_type, "readonly", 1,1,1],
["json.numincrby", json_num_incrby, "write", 1,1,1],
["json.toggle", json_bool_toggle, "write deny-oom", 1,1,1],
["json.nummultby", json_num_multby, "write", 1,1,1],
["json.numpowby", json_num_powby, "write", 1,1,1],
["json.strappend", json_str_append, "write deny-oom", 1,1,1],
["json.strlen", json_str_len, "readonly", 1,1,1],
["json.arrappend", json_arr_append, "write deny-oom", 1,1,1],
["json.arrindex", json_arr_index, "readonly", 1,1,1],
["json.arrinsert", json_arr_insert, "write deny-oom", 1,1,1],
["json.arrlen", json_arr_len, "readonly", 1,1,1],
["json.arrpop", json_arr_pop, "write", 1,1,1],
["json.arrtrim", json_arr_trim, "write", 1,1,1],
["json.objkeys", json_obj_keys, "readonly", 1,1,1],
["json.objlen", json_obj_len, "readonly", 1,1,1],
["json.clear", json_clear, "write", 1,1,1],
["json.debug", json_debug, "readonly", 1,1,1],
["json.forget", json_del, "write", 1,1,1],
["json.resp", json_resp, "readonly", 1,1,1],
["json._cacheinfo", json_cache_info, "readonly", 1,1,1],
["json._cacheinit", json_cache_init, "write", 1,1,1],
],
}
}
}
#[cfg(not(feature = "as-library"))]
fn pre_command(_ctx: &Context, _args: &Vec<RedisString>) {}
#[cfg(not(feature = "as-library"))]
fn dummy_init(_ctx: &Context, _args: &Vec<RedisString>) -> Status {
Status::Ok
}
#[cfg(not(feature = "as-library"))]
redis_json_module_create! {
data_types: [REDIS_JSON_TYPE],
pre_command_function: pre_command,
get_manage: Some(manager::RedisJsonKeyManager{phantom:PhantomData}),
version: 99_99_99,
init: dummy_init,
}