update folders

snipplets/code/Crystal/UNIXSockets/server.cr

@@ -0,0 +1,46 @@
+require "socket"
+require "file_utils"
+
+SOCKET = "/tmp/myapp.sock"
+
+begin
+  FileUtils.rm(SOCKET)
+rescue e : File::NotFoundError
+end
+
+server = UNIXServer.new(SOCKET)
+CLIENTS = [] of UNIXSocket
+
+Signal::INT.trap do
+  puts "Closing server..."
+  server.close(delete = true)
+
+  exit
+end
+
+def handle_client(client)
+  loop do
+    message = client.gets
+
+    p! client
+
+    if message == "start"
+      puts "::request START command::"
+      client.puts "Hello :)"
+    elsif message == "help"
+      puts "::request HELP command::"
+      client.puts "This example ECHO unix server!"
+    elsif message == "run"
+      puts "::request RUN command::"
+      client.puts "Ready, Set, GO!"
+    else
+      break
+    end
+  end
+end
+
+puts "Listen..."
+
+while client = server.accept
+  spawn handle_client(client)
+end