调整解析地址选择
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@@ -1,5 +1,5 @@
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use std::cell::RefCell;
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use std::collections::HashSet;
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use std::collections::HashMap;
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use std::net::{Ipv4Addr, Ipv6Addr, SocketAddr, ToSocketAddrs, UdpSocket};
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use std::str::FromStr;
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use std::time::Duration;
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@@ -9,7 +9,7 @@ use anyhow::Context;
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use dns_parser::{Builder, Packet, QueryClass, QueryType, RData, ResponseCode};
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thread_local! {
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static HISTORY: RefCell<HashSet<SocketAddr>> = RefCell::new(HashSet::new());
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static HISTORY: RefCell<HashMap<SocketAddr,usize>> = RefCell::new(HashMap::new());
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}
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/// 保留一个地址使用记录,使用过的地址后续不再选中,直到地址全使用过
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@@ -17,7 +17,8 @@ pub fn address_choose(addrs: Vec<SocketAddr>) -> anyhow::Result<SocketAddr> {
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HISTORY.with(|history| {
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let mut available = Vec::new();
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for x in &addrs {
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if !history.borrow().contains(x) {
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let num = history.borrow().get(x).map_or(0, |v| *v);
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if num < 3 {
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available.push(*x);
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}
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}
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@@ -26,7 +27,13 @@ pub fn address_choose(addrs: Vec<SocketAddr>) -> anyhow::Result<SocketAddr> {
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history.borrow_mut().clear();
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}
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let addr = address_choose0(available)?;
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history.borrow_mut().insert(addr);
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history
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.borrow_mut()
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.entry(addr)
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.and_modify(|v| {
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*v += 1;
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})
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.or_insert(1);
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Ok(addr)
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})
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}
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