2 * Copyright (c) 2014, Peter Thorson. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of the WebSocket++ Project nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #ifndef WEBSOCKETPP_CONFIG_DEBUG_HPP
29 #define WEBSOCKETPP_CONFIG_DEBUG_HPP
33 // Non-Policy common stuff
34 #include <websocketpp/common/cpp11.hpp>
35 #include <websocketpp/common/stdint.hpp>
38 #include <websocketpp/concurrency/basic.hpp>
41 #include <websocketpp/transport/iostream/endpoint.hpp>
44 #include <websocketpp/http/request.hpp>
45 #include <websocketpp/http/response.hpp>
48 #include <websocketpp/message_buffer/message.hpp>
49 #include <websocketpp/message_buffer/alloc.hpp>
52 #include <websocketpp/logger/basic.hpp>
55 #include <websocketpp/random/none.hpp>
57 // User stub base classes
58 #include <websocketpp/endpoint_base.hpp>
59 #include <websocketpp/connection_base.hpp>
62 #include <websocketpp/extensions/permessage_deflate/disabled.hpp>
64 namespace websocketpp {
67 /// Client/Server debug config with iostream transport
69 typedef debug_core type;
72 typedef websocketpp::concurrency::basic concurrency_type;
74 // HTTP Parser Policies
75 typedef http::parser::request request_type;
76 typedef http::parser::response response_type;
79 typedef message_buffer::message<message_buffer::alloc::con_msg_manager>
81 typedef message_buffer::alloc::con_msg_manager<message_type>
83 typedef message_buffer::alloc::endpoint_msg_manager<con_msg_manager_type>
84 endpoint_msg_manager_type;
87 typedef websocketpp::log::basic<concurrency_type,
88 websocketpp::log::elevel> elog_type;
89 typedef websocketpp::log::basic<concurrency_type,
90 websocketpp::log::alevel> alog_type;
93 typedef websocketpp::random::none::int_generator<uint32_t> rng_type;
95 /// Controls compile time enabling/disabling of thread syncronization
96 /// code Disabling can provide a minor performance improvement to single
97 /// threaded applications
98 static bool const enable_multithreading = true;
100 struct transport_config {
101 typedef type::concurrency_type concurrency_type;
102 typedef type::elog_type elog_type;
103 typedef type::alog_type alog_type;
104 typedef type::request_type request_type;
105 typedef type::response_type response_type;
107 /// Controls compile time enabling/disabling of thread syncronization
108 /// code Disabling can provide a minor performance improvement to single
109 /// threaded applications
110 static bool const enable_multithreading = true;
112 /// Default timer values (in ms)
114 /// Length of time to wait for socket pre-initialization
116 * Exactly what this includes depends on the socket policy in use
118 static const long timeout_socket_pre_init = 5000;
120 /// Length of time to wait before a proxy handshake is aborted
121 static const long timeout_proxy = 5000;
123 /// Length of time to wait for socket post-initialization
125 * Exactly what this includes depends on the socket policy in use.
126 * Often this means the TLS handshake
128 static const long timeout_socket_post_init = 5000;
130 /// Length of time to wait for dns resolution
131 static const long timeout_dns_resolve = 5000;
133 /// Length of time to wait for TCP connect
134 static const long timeout_connect = 5000;
136 /// Length of time to wait for socket shutdown
137 static const long timeout_socket_shutdown = 5000;
140 /// Transport Endpoint Component
141 typedef websocketpp::transport::iostream::endpoint<transport_config>
144 /// User overridable Endpoint base class
145 typedef websocketpp::endpoint_base endpoint_base;
146 /// User overridable Connection base class
147 typedef websocketpp::connection_base connection_base;
149 /// Default timer values (in ms)
151 /// Length of time before an opening handshake is aborted
152 static const long timeout_open_handshake = 5000;
153 /// Length of time before a closing handshake is aborted
154 static const long timeout_close_handshake = 5000;
155 /// Length of time to wait for a pong after a ping
156 static const long timeout_pong = 5000;
158 /// WebSocket Protocol version to use as a client
160 * What version of the WebSocket Protocol to use for outgoing client
161 * connections. Setting this to a value other than 13 (RFC6455) is not
164 static const int client_version = 13; // RFC6455
166 /// Default static error logging channels
168 * Which error logging channels to enable at compile time. Channels not
169 * enabled here will be unable to be selected by programs using the library.
170 * This option gives an optimizing compiler the ability to remove entirely
171 * code to test whether or not to print out log messages on a certain
174 * Default is all except for development/debug level errors
176 static const websocketpp::log::level elog_level =
177 websocketpp::log::elevel::all;
179 /// Default static access logging channels
181 * Which access logging channels to enable at compile time. Channels not
182 * enabled here will be unable to be selected by programs using the library.
183 * This option gives an optimizing compiler the ability to remove entirely
184 * code to test whether or not to print out log messages on a certain
187 * Default is all except for development/debug level access messages
189 static const websocketpp::log::level alog_level =
190 websocketpp::log::alevel::all;
193 static const size_t connection_read_buffer_size = 16384;
195 /// Drop connections immediately on protocol error.
197 * Drop connections on protocol error rather than sending a close frame.
198 * Off by default. This may result in legit messages near the error being
199 * dropped as well. It may free up resources otherwise spent dealing with
200 * misbehaving clients.
202 static const bool drop_on_protocol_error = false;
204 /// Suppresses the return of detailed connection close information
206 * Silence close suppresses the return of detailed connection close
207 * information during the closing handshake. This information is useful
208 * for debugging and presenting useful errors to end users but may be
209 * undesirable for security reasons in some production environments.
210 * Close reasons could be used by an attacker to confirm that the endpoint
211 * is out of resources or be used to identify the WebSocket implementation
214 * Note: this will suppress *all* close codes, including those explicitly
215 * sent by local applications.
217 static const bool silent_close = false;
219 /// Default maximum message size
221 * Default value for the processor's maximum message size. Maximum message size
222 * determines the point at which the library will fail a connection with the
223 * message_too_big protocol error.
225 * The default is 32MB
229 static const size_t max_message_size = 32000000;
231 /// Default maximum http body size
233 * Default value for the http parser's maximum body size. Maximum body size
234 * determines the point at which the library will abort reading an HTTP
235 * connection with the 413/request entity too large error.
237 * The default is 32MB
241 static const size_t max_http_body_size = 32000000;
243 /// Global flag for enabling/disabling extensions
244 static const bool enable_extensions = true;
246 /// Extension specific settings:
248 /// permessage_compress extension
249 struct permessage_deflate_config {
250 typedef type::request_type request_type;
252 /// If the remote endpoint requests that we reset the compression
253 /// context after each message should we honor the request?
254 static const bool allow_disabling_context_takeover = true;
256 /// If the remote endpoint requests that we reduce the size of the
257 /// LZ77 sliding window size this is the lowest value that will be
258 /// allowed. Values range from 8 to 15. A value of 8 means we will
259 /// allow any possible window size. A value of 15 means do not allow
260 /// negotiation of the window size (ie require the default).
261 static const uint8_t minimum_outgoing_window_bits = 8;
264 typedef websocketpp::extensions::permessage_deflate::disabled
265 <permessage_deflate_config> permessage_deflate_type;
267 /// Autonegotiate permessage-deflate
269 * Automatically enables the permessage-deflate extension.
271 * For clients this results in a permessage-deflate extension request being
272 * sent with every request rather than requiring it to be requested manually
274 * For servers this results in accepting the first set of extension settings
275 * requested by the client that we understand being used. The alternative is
276 * requiring the extension to be manually negotiated in `validate`. With
277 * auto-negotiate on, you may still override the auto-negotiate manually if
280 //static const bool autonegotiate_compression = false;
283 } // namespace config
284 } // namespace websocketpp
286 #endif // WEBSOCKETPP_CONFIG_CORE_HPP