WebSocket++ 0.8.2
C++ websocket client/server library
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functional.hpp
1/*
2 * Copyright (c) 2014, Peter Thorson. All rights reserved.
3 *
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.
14 *
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.
25 *
26 */
27
28#ifndef WEBSOCKETPP_COMMON_FUNCTIONAL_HPP
29#define WEBSOCKETPP_COMMON_FUNCTIONAL_HPP
30
31#include <websocketpp/common/cpp11.hpp>
32
33// If we've determined that we're in full C++11 mode and the user hasn't
34// explicitly disabled the use of C++11 functional header, then prefer it to
35// boost.
36#if defined _WEBSOCKETPP_CPP11_INTERNAL_ && !defined _WEBSOCKETPP_NO_CPP11_FUNCTIONAL_
37 #ifndef _WEBSOCKETPP_CPP11_FUNCTIONAL_
38 #define _WEBSOCKETPP_CPP11_FUNCTIONAL_
39 #endif
40#endif
41
42// If we're on Visual Studio 2010 or higher and haven't explicitly disabled
43// the use of C++11 functional header then prefer it to boost.
44#if defined(_MSC_VER) && _MSC_VER >= 1600 && !defined _WEBSOCKETPP_NO_CPP11_FUNCTIONAL_
45 #ifndef _WEBSOCKETPP_CPP11_FUNCTIONAL_
46 #define _WEBSOCKETPP_CPP11_FUNCTIONAL_
47 #endif
48#endif
49
50
51
53 #include <functional>
54#else
55 #include <boost/bind.hpp>
56 #include <boost/function.hpp>
57 #include <boost/ref.hpp>
58#endif
59
60
61
62namespace websocketpp {
63namespace lib {
64
66 using std::function;
67 using std::bind;
68 using std::ref;
69 namespace placeholders = std::placeholders;
70
71 // There are some cases where a C++11 compiler balks at using std::ref
72 // but a C++03 compiler using boost function requires boost::ref. As such
73 // lib::ref is not useful in these cases. Instead this macro allows the use
74 // of boost::ref in the case of a boost compile or no reference wrapper at
75 // all in the case of a C++11 compile
76 #define _WEBSOCKETPP_REF(x) x
77
78 template <typename T>
79 void clear_function(T & x) {
80 x = nullptr;
81 }
82#else
83 using boost::function;
84 using boost::bind;
85 using boost::ref;
86 namespace placeholders {
87 /// \todo this feels hacky, is there a better way?
88 using ::_1;
89 using ::_2;
90 using ::_3;
91 }
92
93 // See above definition for more details on what this is and why it exists
94 #define _WEBSOCKETPP_REF(x) boost::ref(x)
95
96 template <typename T>
97 void clear_function(T & x) {
98 x.clear();
99 }
100#endif
101
102} // namespace lib
103} // namespace websocketpp
104
105#endif // WEBSOCKETPP_COMMON_FUNCTIONAL_HPP
#define _WEBSOCKETPP_CPP11_FUNCTIONAL_
#define _WEBSOCKETPP_CPP11_THREAD_
Concurrency policy that uses std::mutex / boost::mutex.
Definition basic.hpp:37
Stub for user supplied base class.
Stub for user supplied base class.
Stub class for use when disabling permessage_deflate extension.
Definition disabled.hpp:53
Stores, parses, and manipulates HTTP requests.
Definition request.hpp:50
Stores, parses, and manipulates HTTP responses.
Definition response.hpp:57
Basic logger that outputs to an ostream.
Definition basic.hpp:59
Thread safe stub "random" integer generator.
Definition none.hpp:46
Server endpoint role based on the given config.
Basic ASIO endpoint socket component.
Definition none.hpp:317
Asio based endpoint transport component.
Definition endpoint.hpp:54
iostream::connection< config > transport_con_type
Definition endpoint.hpp:62
config::elog_type elog_type
Type of this endpoint's error logging policy.
Definition endpoint.hpp:56
void set_write_handler(write_handler h)
Sets the write handler.
Definition endpoint.hpp:134
void set_shutdown_handler(shutdown_handler h)
Sets the shutdown handler.
Definition endpoint.hpp:154
bool is_secure() const
Tests whether or not the underlying transport is secure.
Definition endpoint.hpp:116
lib::shared_ptr< type > ptr
Type of a pointer to this endpoint transport component.
Definition endpoint.hpp:51
transport_con_type::ptr transport_con_ptr
Definition endpoint.hpp:65
void async_connect(transport_con_ptr, uri_ptr, connect_handler cb)
Initiate a new connection.
Definition endpoint.hpp:183
lib::error_code init(transport_con_ptr tcon)
Initialize a connection.
Definition endpoint.hpp:197
void init_logging(lib::shared_ptr< alog_type > a, lib::shared_ptr< elog_type > e)
Initialize logging.
Definition endpoint.hpp:171
endpoint type
Type of this endpoint transport component.
Definition endpoint.hpp:49
void register_ostream(std::ostream *o)
Register a default output stream.
Definition endpoint.hpp:80
config::concurrency_type concurrency_type
Type of this endpoint's concurrency policy.
Definition endpoint.hpp:54
void set_secure(bool value)
Set whether or not endpoint can create secure connections.
Definition endpoint.hpp:102
config::alog_type alog_type
Type of this endpoint's access logging policy.
Definition endpoint.hpp:58
#define __has_extension
Definition cpp11.hpp:40
#define __has_feature(x)
Definition cpp11.hpp:37
Concurrency handling support.
Definition basic.hpp:34
Implementation of RFC 7692, the permessage-deflate WebSocket extension.
Definition disabled.hpp:44
HTTP handling support.
Definition request.hpp:37
Stub RNG policy that always returns 0.
Definition none.hpp:35
Random number generation policies.
Transport policy that uses asio.
Definition endpoint.hpp:46
Transport policy that uses STL iostream for I/O and does not support timers.
Definition endpoint.hpp:43
lib::function< lib::error_code(connection_hdl)> shutdown_handler
Definition base.hpp:61
lib::function< lib::error_code(connection_hdl, char const *, size_t)> write_handler
The type and signature of the callback used by iostream transport to write.
Definition base.hpp:48
Transport policies provide network connectivity and timers.
Definition endpoint.hpp:45
lib::function< void(lib::error_code const &)> accept_handler
The type and signature of the callback passed to the accept method.
Definition endpoint.hpp:69
lib::function< void(lib::error_code const &)> connect_handler
The type and signature of the callback passed to the connect method.
Definition endpoint.hpp:72
Namespace for the WebSocket++ project.
lib::shared_ptr< uri > uri_ptr
Pointer to a URI.
Definition uri.hpp:352
Server config with asio transport and TLS disabled.
static const long timeout_socket_shutdown
Length of time to wait for socket shutdown.
Definition core.hpp:137
static const long timeout_connect
Length of time to wait for TCP connect.
Definition core.hpp:134
static const long timeout_dns_resolve
Length of time to wait for dns resolution.
Definition core.hpp:131
static const long timeout_proxy
Length of time to wait before a proxy handshake is aborted.
Definition core.hpp:121
static const long timeout_socket_pre_init
Default timer values (in ms)
Definition core.hpp:118
static const long timeout_socket_post_init
Length of time to wait for socket post-initialization.
Definition core.hpp:128
Server config with iostream transport.
Definition core.hpp:68
websocketpp::random::none::int_generator< uint32_t > rng_type
RNG policies.
Definition core.hpp:93
static const websocketpp::log::level elog_level
Default static error logging channels.
Definition core.hpp:176
websocketpp::transport::iostream::endpoint< transport_config > transport_type
Transport Endpoint Component.
Definition core.hpp:142
static const size_t max_http_body_size
Default maximum http body size.
Definition core.hpp:252
static const long timeout_open_handshake
Default timer values (in ms)
Definition core.hpp:152
static const size_t max_message_size
Default maximum message size.
Definition core.hpp:240
static const bool drop_on_protocol_error
Drop connections immediately on protocol error.
Definition core.hpp:213
static const long timeout_close_handshake
Length of time before a closing handshake is aborted.
Definition core.hpp:154
static const websocketpp::log::level alog_level
Default static access logging channels.
Definition core.hpp:189
websocketpp::log::basic< concurrency_type, websocketpp::log::elevel > elog_type
Logging policies.
Definition core.hpp:88
static const long timeout_pong
Length of time to wait for a pong after a ping.
Definition core.hpp:156
static const bool silent_close
Suppresses the return of detailed connection close information.
Definition core.hpp:228
static bool const enable_multithreading
Definition core.hpp:98
static const size_t connection_read_buffer_size
Size of the per-connection read buffer.
Definition core.hpp:204
static const bool enable_extensions
Global flag for enabling/disabling extensions.
Definition core.hpp:255
static const int client_version
WebSocket Protocol version to use as a client.
Definition core.hpp:164
Package of log levels for logging access events.
Definition levels.hpp:112
static level const devel
Development messages (warning: very chatty)
Definition levels.hpp:141
static level const all
Special aggregate value representing "all levels".
Definition levels.hpp:152
Package of log levels for logging errors.
Definition levels.hpp:59
static level const devel
Low level debugging information (warning: very chatty)
Definition levels.hpp:63
static level const all
Special aggregate value representing "all levels".
Definition levels.hpp:80