Use handshake_timeout for closing handshake during read operations

Fixes #2999

Author: ashtum

include/boost/beast/websocket/impl/read.hpp

@@ -662,6 +662,7 @@ class stream<NextLayer, deflateSupported>::read_some_op
             }
 
             impl.change_status(status::closing);
+            impl.update_timer(this->get_executor());
 
             if(! impl.wr_close)
             {

test/beast/websocket/read1.cpp

@@ -163,10 +163,45 @@ class read1_test : public unit_test::suite
 
     }
 
+    void
+    testIssue2999()
+    {
+        net::io_context ioc;
+
+        // Use handshake_timeout for the closing handshake,
+        // which can occur in websocket::stream::async_read_some.
+        stream<test::stream> ws1(ioc);
+        stream<test::stream> ws2(ioc);
+        test::connect(ws1.next_layer(), ws2.next_layer());
+        ws1.async_handshake("test", "/", test::success_handler());
+        ws2.async_accept(test::success_handler());
+        test::run(ioc);
+
+        flat_buffer b;
+        ws1.set_option(stream_base::timeout{
+            std::chrono::milliseconds(50),
+            stream_base::none(),
+            false});
+        // add a close frame to the input
+        ws1.next_layer().append(string_view{
+            "\x88\x00", 2});
+        ws1.async_read(b, test::fail_handler(
+            beast::error::timeout));
+        // limit the write buffer so that writing
+        // the close frame will not complete during
+        // the call to ioc.run_one()
+        ws1.next_layer().write_size(1);
+        ioc.run_one();
+        std::this_thread::sleep_for(
+            std::chrono::milliseconds(100));
+        ioc.run();
+    }
+
     void
     run() override
     {
         testTimeout();
+        testIssue2999();
     }
 };