From a4392d4a7f80a29729b3be434e749e2254bd0d8d Mon Sep 17 00:00:00 2001
From: Andreas Pohl <pohl@adtech.de>
Date: Wed, 9 Dec 2015 23:11:40 +0100
Subject: [PATCH] libnghttp2_asio: Make io_service accessors const

---
 src/asio_io_service_pool.cc              | 2 +-
 src/asio_io_service_pool.h               | 2 +-
 src/asio_server.cc                       | 2 +-
 src/asio_server.h                        | 2 +-
 src/asio_server_http2.cc                 | 2 +-
 src/asio_server_http2_impl.cc            | 2 +-
 src/asio_server_http2_impl.h             | 2 +-
 src/includes/nghttp2/asio_http2_server.h | 2 +-
 8 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/asio_io_service_pool.cc b/src/asio_io_service_pool.cc
index cbf36ad7..916f6d1e 100644
--- a/src/asio_io_service_pool.cc
+++ b/src/asio_io_service_pool.cc
@@ -92,7 +92,7 @@ boost::asio::io_service &io_service_pool::get_io_service() {
   return io_service;
 }
 
-std::vector<std::shared_ptr<boost::asio::io_service>> &io_service_pool::get_io_services() {
+const std::vector<std::shared_ptr<boost::asio::io_service>> &io_service_pool::get_io_services() const {
   return io_services_;
 }
 
diff --git a/src/asio_io_service_pool.h b/src/asio_io_service_pool.h
index 03a60fe0..9c29619d 100644
--- a/src/asio_io_service_pool.h
+++ b/src/asio_io_service_pool.h
@@ -71,7 +71,7 @@ public:
   boost::asio::io_service &get_io_service();
 
   /// Get access to all io_service objects.
-  std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services();
+  const std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services() const;
 
 private:
   /// The pool of io_services.
diff --git a/src/asio_server.cc b/src/asio_server.cc
index f9352879..ff9bb3b5 100644
--- a/src/asio_server.cc
+++ b/src/asio_server.cc
@@ -169,7 +169,7 @@ void server::stop() { io_service_pool_.stop(); }
 
 void server::join() { io_service_pool_.join(); }
 
-std::vector<std::shared_ptr<boost::asio::io_service>> &server::get_io_services() {
+const std::vector<std::shared_ptr<boost::asio::io_service>> &server::get_io_services() const {
   return io_service_pool_.get_io_services();
 }
 
diff --git a/src/asio_server.h b/src/asio_server.h
index ed89b9a5..433f6530 100644
--- a/src/asio_server.h
+++ b/src/asio_server.h
@@ -74,7 +74,7 @@ public:
   void stop();
 
   /// Get access to all io_service objects.
-  std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services();
+  const std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services() const;
 
 private:
   /// Initiate an asynchronous accept operation.
diff --git a/src/asio_server_http2.cc b/src/asio_server_http2.cc
index 17808f8d..ca270a25 100644
--- a/src/asio_server_http2.cc
+++ b/src/asio_server_http2.cc
@@ -77,7 +77,7 @@ void http2::stop() { impl_->stop(); }
 
 void http2::join() { return impl_->join(); }
 
-std::vector<std::shared_ptr<boost::asio::io_service>> &http2::get_io_services() {
+const std::vector<std::shared_ptr<boost::asio::io_service>> &http2::get_io_services() const {
   return impl_->get_io_services();
 }
 
diff --git a/src/asio_server_http2_impl.cc b/src/asio_server_http2_impl.cc
index 187af44e..62c0df29 100644
--- a/src/asio_server_http2_impl.cc
+++ b/src/asio_server_http2_impl.cc
@@ -59,7 +59,7 @@ void http2_impl::stop() { return server_->stop(); }
 
 void http2_impl::join() { return server_->join(); }
 
-std::vector<std::shared_ptr<boost::asio::io_service>> &http2_impl::get_io_services() {
+const std::vector<std::shared_ptr<boost::asio::io_service>> &http2_impl::get_io_services() const {
   return server_->get_io_services();
 }
 
diff --git a/src/asio_server_http2_impl.h b/src/asio_server_http2_impl.h
index d38b4307..395310bd 100644
--- a/src/asio_server_http2_impl.h
+++ b/src/asio_server_http2_impl.h
@@ -50,7 +50,7 @@ public:
   bool handle(std::string pattern, request_cb cb);
   void stop();
   void join();
-  std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services();
+  const std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services() const;
 
 private:
   std::unique_ptr<server> server_;
diff --git a/src/includes/nghttp2/asio_http2_server.h b/src/includes/nghttp2/asio_http2_server.h
index 0a892576..8756022e 100644
--- a/src/includes/nghttp2/asio_http2_server.h
+++ b/src/includes/nghttp2/asio_http2_server.h
@@ -202,7 +202,7 @@ public:
   void join();
 
   // Get access to the io_service objects.
-  std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services();
+  const std::vector<std::shared_ptr<boost::asio::io_service>> &get_io_services() const;
 
 private:
   std::unique_ptr<http2_impl> impl_;