From 886ac8b7a060e4806abac5b92feccff7bcce27eb Mon Sep 17 00:00:00 2001
From: Richard Hodges <hodges.r@gmail.com>
Date: Wed, 26 Aug 2020 13:35:01 +0200
Subject: [PATCH] Add handler tracking locations to detect_ssl

---
 CHANGELOG.md                            |  1 +
 include/boost/beast/core/detect_ssl.hpp | 24 +++++++++++++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f28ea9b..0c113857 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 Version XXX:
 
+* Add handler tracking locations to detect_ssl.
 * Add handler tracking locations to icy_stream.
 * Add handler tracking locations to basic_stream.
 * Add handler tracking locations to http operations.
diff --git a/include/boost/beast/core/detect_ssl.hpp b/include/boost/beast/core/detect_ssl.hpp
index 644318de..272535f5 100644
--- a/include/boost/beast/core/detect_ssl.hpp
+++ b/include/boost/beast/core/detect_ssl.hpp
@@ -591,8 +591,19 @@ operator()(error_code ec, std::size_t bytes_transferred, bool cont)
             // by the move, are first moved to the stack before calling the
             // initiating function.
 
-            yield stream_.async_read_some(buffer_.prepare(
-                read_size(buffer_, 1536)), std::move(*this));
+            yield
+            {
+                // This macro facilitates asynchrnous handler tracking and
+                // debugging when the preprocessor macro
+                // BOOST_ASIO_CUSTOM_HANDLER_TRACKING is defined.
+
+                BOOST_ASIO_HANDLER_LOCATION((
+                    __FILE__, __LINE__,
+                    "async_detect_ssl"));
+
+                stream_.async_read_some(buffer_.prepare(
+                    read_size(buffer_, 1536)), std::move(*this));
+            }
 
             // Commit what we read into the buffer's input area.
             buffer_.commit(bytes_transferred);
@@ -626,7 +637,14 @@ operator()(error_code ec, std::size_t bytes_transferred, bool cont)
             // used in the call to async_read_some above, to avoid
             // instantiating another version of the function template.
 
-            yield stream_.async_read_some(buffer_.prepare(0), std::move(*this));
+            yield
+            {
+                BOOST_ASIO_HANDLER_LOCATION((
+                    __FILE__, __LINE__,
+                    "async_detect_ssl"));
+
+                stream_.async_read_some(buffer_.prepare(0), std::move(*this));
+            }
 
             // Restore the saved error code
             ec = ec_;