From 48e2faa22e6c8b7f2eca965dd87f7bca760b3b1f Mon Sep 17 00:00:00 2001
From: noosc <534815812@qq.com>
Date: Fri, 24 May 2019 16:24:41 +0800
Subject: [PATCH] fix bad_weak_ptr

pass weak_ptr of connection to http2_handler, avoid calling `do_write` after connection is destroyed.
---
 src/asio_server_connection.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/asio_server_connection.h b/src/asio_server_connection.h
index daf9a664..f5102c87 100644
--- a/src/asio_server_connection.h
+++ b/src/asio_server_connection.h
@@ -87,10 +87,15 @@ public:
   /// Start the first asynchronous operation for the connection.
   void start() {
     boost::system::error_code ec;
-
+    std::weak_ptr<connection> weak_self = this->shared_from_this();
+    
     handler_ = std::make_shared<http2_handler>(
         GET_IO_SERVICE(socket_), socket_.lowest_layer().remote_endpoint(ec),
-        [this]() { do_write(); }, mux_);
+        [weak_self]() {
+          auto shared_connection = weak_self.lock();
+          if (!shared_connection) { return; }
+          shared_connection->do_write();
+        }, mux_);
     if (handler_->start() != 0) {
       stop();
       return;