From e6fbe24a700bb0e4cc3a1ec8bac9d777303cc41a Mon Sep 17 00:00:00 2001
From: Inga <inga-lovinde@noreply.oomza.cutegay.software>
Date: Tue, 14 Nov 2023 00:53:00 +0000
Subject: [PATCH] implemented main entry point

---
 hostnames_allocator/sample.in   | 11 +++++++++++
 hostnames_allocator/src/main.rs | 23 ++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 hostnames_allocator/sample.in

diff --git a/hostnames_allocator/sample.in b/hostnames_allocator/sample.in
new file mode 100644
index 0000000..beafa88
--- /dev/null
+++ b/hostnames_allocator/sample.in
@@ -0,0 +1,11 @@
+A gateway
+A gateway
+A gateway
+A proxy
+A proxy
+D gateway2
+D gateway5
+A proxy
+A gateway
+A gateway
+A gateway
diff --git a/hostnames_allocator/src/main.rs b/hostnames_allocator/src/main.rs
index e7a11a9..1dd0815 100644
--- a/hostnames_allocator/src/main.rs
+++ b/hostnames_allocator/src/main.rs
@@ -1,3 +1,24 @@
+use std::io::{self, BufRead};
+
+use lazy_static::lazy_static;
+use regex::Regex;
+
+use hostnames_allocator::hostnames_allocator::HostnamesAllocator;
+
+lazy_static! {
+    static ref COMMAND_REGEX: Regex = Regex::new(r"^([AD])\s+(\w+)$").unwrap();
+}
+
 fn main() {
-    println!("Hello, world!");
+    let mut hostnames_allocator = HostnamesAllocator::new();
+    let stdin = io::stdin();
+    for line_result in stdin.lock().lines() {
+        let line = line_result.unwrap();
+        let (_, [command, argument]) = COMMAND_REGEX.captures(&line).unwrap().extract();
+        match command {
+            "A" => println!("{}", hostnames_allocator.allocate(argument)),
+            "D" => hostnames_allocator.free(argument),
+            _ => panic!(),
+        }
+    }
 }