refactor: remove SSL/OpenSSL support from beast2

- Remove ssl_stream.hpp, worker_ssl.hpp, https_server.hpp/cpp
- Remove certificate.hpp/cpp SSL certificate utilities
- Remove ssl_stream.cpp, https_server.cpp, stream.cpp tests
- Remove OpenSSL dependency from CMakeLists.txt and Jamfile
- Remove BOOST_BEAST2_HAS_CORO macro from config.hpp
- Remove signal_set handling from asio_io_context.cpp
- Clean up commented SSL includes in beast2.hpp
- Remove conditional coro guards from body_write_stream.cpp

Author: vinniefalco

example/server/CMakeLists.txt

@@ -21,26 +21,18 @@ target_compile_definitions(beast2_server_example
 set_property(TARGET beast2_server_example
     PROPERTY FOLDER "examples")
 
-find_package(OpenSSL REQUIRED)
 target_include_directories(beast2_server_example PRIVATE .)
 target_link_libraries(
     beast2_server_example
     Boost::beast2
     Boost::json
     Boost::url
-    OpenSSL::SSL
-    OpenSSL::Crypto
     )
 
-if (WIN32)
-    target_link_libraries(beast2_server_example crypt32)
-endif()
-
 if (TARGET Boost::capy_zlib)
     target_link_libraries(beast2_server_example Boost::capy_zlib)
 endif()
 
 if (TARGET Boost::capy_brotli)
     target_link_libraries(beast2_server_example Boost::capy_brotli)
 endif()
-

example/server/Jamfile

@@ -8,27 +8,15 @@
 # Official repository: https://github.com/CPPAlliance/http
 #
 
-using openssl ;
 import ac ;
 
-lib advapi32 ;
-lib crypt32 ;
-lib gdi32 ;
-lib user32 ;
-
 project
     : requirements
       <library>/boost/beast2//boost_beast2
       <library>/boost/url//boost_url
       <library>/boost/json//boost_json
       [ ac.check-library /boost/capy//boost_capy_zlib : <library>/boost/capy//boost_capy_zlib : ]
       [ ac.check-library /boost/capy//boost_capy_brotli : <library>/boost/capy//boost_capy_brotli : ]
-      [ ac.check-library /openssl//ssl : <library>/openssl//ssl/<link>shared : <build>no ]
-      [ ac.check-library /openssl//crypto : <library>/openssl//crypto/<link>shared : <build>no ]
-      <target-os>windows:<library>advapi32
-      <target-os>windows:<library>crypt32
-      <target-os>windows:<library>gdi32
-      <target-os>windows:<library>user32
       <include>.
     ;
 

example/server/certificate.cpp

@@ -7,7 +7,6 @@
 // Official repository: https://github.com/cppalliance/beast2
 //
 
-#include "certificate.hpp"
 #include "serve_detached.hpp"
 #include "serve_log_admin.hpp"
 #include <boost/beast2/asio_io_context.hpp>

example/server/certificate.hpp

@@ -15,14 +15,12 @@
 #include <boost/beast2/server/fixed_array.hpp>
 #include <boost/beast2/server/http_server.hpp>
 #include <boost/beast2/server/http_stream.hpp>
-//#include <boost/beast2/server/https_server.hpp>
 #include <boost/beast2/server/plain_worker.hpp>
 #include <boost/beast2/server/route_handler_asio.hpp>
 #include <boost/beast2/server/router.hpp>
 #include <boost/beast2/server/router_asio.hpp>
 #include <boost/beast2/server/serve_redirect.hpp>
 #include <boost/beast2/server/serve_static.hpp>
-//#include <boost/beast2/server/worker_ssl.hpp>
 #include <boost/beast2/server/workers.hpp>
 #include <boost/beast2/test/error.hpp>
 #include <boost/beast2/test/fail_count.hpp>
@@ -40,7 +38,6 @@
 #include <boost/beast2/logger.hpp>
 #include <boost/beast2/body_read_stream.hpp>
 #include <boost/beast2/read.hpp>
-//#include <boost/beast2/ssl_stream.hpp>
 #include <boost/beast2/write.hpp>
 
 #endif

example/server/main.cpp

@@ -38,14 +38,6 @@ namespace beast2 {
 
 //------------------------------------------------
 
-#if defined(__cpp_lib_coroutine) && __cpp_lib_coroutine >= 201902L
-# define BOOST_BEAST2_HAS_CORO 1
-#elif defined(__cpp_impl_coroutine) && __cpp_impl_coroutines >= 201902L
-# define BOOST_BEAST2_HAS_CORO 1
-#endif
-
-//------------------------------------------------
-
 // Add source location to error codes
 #ifdef BOOST_BEAST2_NO_SOURCE_LOCATION
 # define BOOST_BEAST2_ERR(ev) (::boost::system::error_code(ev))

include/boost/beast2.hpp

@@ -424,8 +424,6 @@ do_suspend() ->
     BOOST_ASSERT(! pwg_);
     pwg_.reset(new work_guard(stream_.get_executor()));
 
-    // VFALCO cancel timer
-
     return http::resumer(*this);
 }