From be6d00edc42dee8b265a5f83841a74d2f1f8a254 Mon Sep 17 00:00:00 2001
From: Christian Koopmann <christian@MTMAC0057.local>
Date: Thu, 2 Feb 2023 09:50:18 +0800
Subject: [PATCH] Fix ch8-resolve build error in modern rust versions

---
 ch8/ch8-resolve/Cargo.lock  | 1034 ++++++++++++-----------------------
 ch8/ch8-resolve/Cargo.toml  |    2 +-
 ch8/ch8-resolve/src/main.rs |   15 +-
 3 files changed, 350 insertions(+), 701 deletions(-)

diff --git a/ch8/ch8-resolve/Cargo.lock b/ch8/ch8-resolve/Cargo.lock
index 71e43fa3..86098829 100644
--- a/ch8/ch8-resolve/Cargo.lock
+++ b/ch8/ch8-resolve/Cargo.lock
@@ -1,1118 +1,762 @@
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+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/ch8/ch8-resolve/Cargo.toml b/ch8/ch8-resolve/Cargo.toml
index 87d76f79..f6634a26 100644
--- a/ch8/ch8-resolve/Cargo.toml
+++ b/ch8/ch8-resolve/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2018"
 [dependencies]
 rand = "0.6"
 clap = "2.33"
-trust-dns = { version = "0.16", default-features = false }
+trust-dns-client = { version = "0.21.2", default-features = false }
diff --git a/ch8/ch8-resolve/src/main.rs b/ch8/ch8-resolve/src/main.rs
index 2e50cfe8..2500091d 100644
--- a/ch8/ch8-resolve/src/main.rs
+++ b/ch8/ch8-resolve/src/main.rs
@@ -3,10 +3,10 @@ use std::time::Duration;
 
 use clap::{App, Arg};
 use rand;
-use trust_dns::op::{Message, MessageType, OpCode, Query};
-use trust_dns::rr::domain::Name;
-use trust_dns::rr::record_type::RecordType;
-use trust_dns::serialize::binary::*;
+use trust_dns_client::op::{Message, MessageType, OpCode, Query};
+use trust_dns_client::rr::domain::Name;
+use trust_dns_client::rr::record_type::RecordType;
+use trust_dns_client::serialize::binary::*;
 
 fn main() {
   let app = App::new("resolve")
@@ -63,7 +63,12 @@ fn main() {
 
   for answer in dns_message.answers() {
     if answer.record_type() == RecordType::A {
-      let resource = answer.rdata();
+      // .rdata() is deprecated in modern trust_dns_client:
+      //
+      // warning: use of deprecated associated function `trust_dns_client::rr::Record::rdata`: use `Record::data` instead
+      //
+      // let resource = answer.rdata();
+      let resource = answer.data().unwrap();
       let ip = resource
         .to_ip_addr()
         .expect("invalid IP address received");