feat: change the ip2region2 -> xdb

binding/rust/Cargo.toml

@@ -1,2 +1,2 @@
 [workspace]
-members = ["example", "ip2region2"]
+members = ["example", "xdb"]

binding/rust/ReadMe.md

@@ -23,7 +23,7 @@
 
 ```toml
 [dependencies]
-ip2region2 = { git = "https://github.com/lionsoul2014/ip2region.git", branch = "master" }
+xdb = { git = "https://github.com/lionsoul2014/ip2region.git", branch = "master" }
 # 用于生成随机数
 rand = "0.8"
 # 用于初始化日志打印
@@ -42,7 +42,7 @@ use std::net::Ipv4Addr;
 use std::thread;
 use std::time::{Duration, Instant};
 
-use ip2region2::{search_by_ip, searcher_init};
+use xdb::{search_by_ip, searcher_init};
 
 fn main() {
     // 配置输出日志信息
@@ -103,7 +103,7 @@ fn main() {
    Compiling ip-test v0.1.0 (/home/gong/rust-work/ip-test)
     Finished release [optimized] target(s) in 0.27s
      Running `target/release/ip-test`
-2022-12-24T03:31:22.921958Z DEBUG ip2region2::searcher: load xdb searcher file at ./ip2region.xdb 
+2022-12-24T03:31:22.921958Z DEBUG xdb::searcher: load xdb searcher file at ./ip2region.xdb 
 
 测试多类型查询
 0|0|0|内网IP|内网IP
@@ -131,7 +131,7 @@ use std::time::Instant;
 
 use tokio::sync::mpsc;
 
-use ip2region2::{search_by_ip, searcher_init};
+use xdb::{search_by_ip, searcher_init};
 
 #[tokio::main]
 async fn main() {
@@ -171,7 +171,7 @@ $ RUST_LOG=debug cargo run -r
    Compiling ip-test v0.1.0 (/home/gong/rust-work/ip-test)
     Finished release [optimized] target(s) in 0.51s
      Running `target/release/ip-test`
-2022-12-24T04:05:32.876664Z DEBUG ip2region2::searcher: load xdb searcher file at ./ip2region.xdb 
+2022-12-24T04:05:32.876664Z DEBUG xdb::searcher: load xdb searcher file at ./ip2region.xdb 
 tokio spawn 4 over cost: 1.133448675s, ave: 113ns
 tokio spawn 2 over cost: 1.133938619s, ave: 113ns
 tokio spawn 1 over cost: 1.136872027s, ave: 113ns
@@ -183,7 +183,7 @@ tokio spawn 3 over cost: 1.26446099s, ave: 126ns
 
 # `binding/rust`路径下面的结构说明
 
-`ip2region2`
+`xdb`
 
 - 封装了`ip`到`region`的函数
 - 里面包含单元测试和`benchmark`测试
@@ -311,7 +311,7 @@ $ cargo test
 
 需要保证查询速度不会有大幅降低，希望有朝一日，远方的朋友可以再深度优化一下，实现几十纳秒级别的查询速度
 
-下面是`ip2region2`库的第一版`benchmark`结果
+下面是`rust/xdb`库的第一版`benchmark`结果
 
 重点关注如下
 

binding/rust/example/Cargo.toml

@@ -10,7 +10,7 @@ license = "Apache-2.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ip2region2 = { path = "../ip2region2" }
+xdb = { path = "../xdb" }
 clap = { version = "4.0" }
 tracing = "0.1"
 tracing-subscriber = "0.3.14"

binding/rust/example/src/main.rs

@@ -9,7 +9,7 @@ use std::time::Instant;
 
 use clap::ArgMatches;
 
-use ip2region2::{search_by_ip, searcher_init};
+use xdb::{search_by_ip, searcher_init};
 
 mod cmd;
 

binding/rust/xdb/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "ip2region2"
+name = "xdb"
 version = "0.1.0"
 edition = "2021"
 rust-version = "1.66.0"

binding/rust/xdb/benches/search.rs

@@ -1,7 +1,7 @@
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
 use rand;
 
-use ip2region2::searcher::{
+use xdb::searcher::{
     get_block_by_size, get_full_cache, get_vector_index_cache, search_by_ip, searcher_init,
 };
 

binding/rust/xdb/src/searcher.rs

@@ -24,7 +24,13 @@ where
     T: ToUIntIP + Display,
 {
     let ip = ip.to_u32_ip()?;
-    let (start_ptr, end_ptr) = get_start_end_ptr(ip);
+    let il0 = ((ip >> 24) & 0xFF) as usize;
+    let il1 = ((ip >> 16) & 0xFF) as usize;
+    let idx = VECTOR_INDEX_SIZE * (il0 * VECTOR_INDEX_COLS + il1);
+    let start_point = idx;
+    let vector_cache = get_vector_index_cache();
+    let start_ptr = get_block_by_size(vector_cache, start_point, 4);
+    let end_ptr = get_block_by_size(vector_cache, start_point + 4, 4);
     let mut left: usize = 0;
     let mut right: usize = (end_ptr - start_ptr) / SEGMENT_INDEX_SIZE;
 
@@ -49,17 +55,6 @@ where
     Err("not matched".into())
 }
 
-pub fn get_start_end_ptr(ip: u32) -> (usize, usize) {
-    let il0 = ((ip >> 24) & 0xFF) as usize;
-    let il1 = ((ip >> 16) & 0xFF) as usize;
-    let idx = VECTOR_INDEX_SIZE * (il0 * VECTOR_INDEX_COLS + il1);
-    let start_point = idx;
-    let vector_cache = get_vector_index_cache();
-    let start_ptr = get_block_by_size(vector_cache, start_point, 4);
-    let end_ptr = get_block_by_size(vector_cache, start_point + 4, 4);
-    (start_ptr, end_ptr)
-}
-
 /// it will check ../data/ip2region.xdb, ../../data/ip2region.xdb, ../../../data/ip2region.xdb
 fn default_detect_xdb_file() -> Result<String, Box<dyn Error>> {
     let prefix = "../".to_owned();