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Diffstat (limited to '3rdParty/Boost/src/boost/asio/basic_socket_streambuf.hpp')
-rw-r--r--3rdParty/Boost/src/boost/asio/basic_socket_streambuf.hpp386
1 files changed, 321 insertions, 65 deletions
diff --git a/3rdParty/Boost/src/boost/asio/basic_socket_streambuf.hpp b/3rdParty/Boost/src/boost/asio/basic_socket_streambuf.hpp
index c2a9a99..fb047c6 100644
--- a/3rdParty/Boost/src/boost/asio/basic_socket_streambuf.hpp
+++ b/3rdParty/Boost/src/boost/asio/basic_socket_streambuf.hpp
@@ -2,7 +2,7 @@
// basic_socket_streambuf.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,53 +20,64 @@
#if !defined(BOOST_NO_IOSTREAM)
#include <streambuf>
-#include <boost/array.hpp>
-#include <boost/preprocessor/arithmetic/inc.hpp>
-#include <boost/preprocessor/repetition/enum_binary_params.hpp>
-#include <boost/preprocessor/repetition/enum_params.hpp>
-#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/utility/base_from_member.hpp>
#include <boost/asio/basic_socket.hpp>
+#include <boost/asio/deadline_timer_service.hpp>
+#include <boost/asio/detail/array.hpp>
#include <boost/asio/detail/throw_error.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/stream_socket_service.hpp>
+#include <boost/asio/time_traits.hpp>
-#if !defined(BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY)
-#define BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY 5
-#endif // !defined(BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY)
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#if !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
+
+# include <boost/preprocessor/arithmetic/inc.hpp>
+# include <boost/preprocessor/repetition/enum_binary_params.hpp>
+# include <boost/preprocessor/repetition/enum_params.hpp>
+# include <boost/preprocessor/repetition/repeat_from_to.hpp>
+
+# if !defined(BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY)
+# define BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY 5
+# endif // !defined(BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY)
// A macro that should expand to:
// template <typename T1, ..., typename Tn>
-// basic_socket_streambuf<Protocol, StreamSocketService>* connect(
+// basic_socket_streambuf<Protocol, StreamSocketService,
+// Time, TimeTraits, TimerService>* connect(
// T1 x1, ..., Tn xn)
// {
// init_buffers();
-// boost::system::error_code ec;
-// this->basic_socket<Protocol, StreamSocketService>::close(ec);
+// this->basic_socket<Protocol, StreamSocketService>::close(ec_);
// typedef typename Protocol::resolver resolver_type;
// typedef typename resolver_type::query resolver_query;
// resolver_query query(x1, ..., xn);
-// resolve_and_connect(query, ec);
-// return !ec ? this : 0;
+// resolve_and_connect(query);
+// return !ec_ ? this : 0;
// }
// This macro should only persist within this file.
-#define BOOST_ASIO_PRIVATE_CONNECT_DEF( z, n, data ) \
+# define BOOST_ASIO_PRIVATE_CONNECT_DEF( z, n, data ) \
template <BOOST_PP_ENUM_PARAMS(n, typename T)> \
- basic_socket_streambuf<Protocol, StreamSocketService>* connect( \
+ basic_socket_streambuf<Protocol, StreamSocketService, \
+ Time, TimeTraits, TimerService>* connect( \
BOOST_PP_ENUM_BINARY_PARAMS(n, T, x)) \
{ \
init_buffers(); \
- boost::system::error_code ec; \
- this->basic_socket<Protocol, StreamSocketService>::close(ec); \
+ this->basic_socket<Protocol, StreamSocketService>::close(ec_); \
typedef typename Protocol::resolver resolver_type; \
typedef typename resolver_type::query resolver_query; \
resolver_query query(BOOST_PP_ENUM_PARAMS(n, x)); \
- resolve_and_connect(query, ec); \
- return !ec ? this : 0; \
+ resolve_and_connect(query); \
+ return !ec_ ? this : 0; \
} \
/**/
+#endif // !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
+
#include <boost/asio/detail/push_options.hpp>
namespace boost {
@@ -74,7 +85,10 @@ namespace asio {
/// Iostream streambuf for a socket.
template <typename Protocol,
- typename StreamSocketService = stream_socket_service<Protocol> >
+ typename StreamSocketService = stream_socket_service<Protocol>,
+ typename Time = boost::posix_time::ptime,
+ typename TimeTraits = boost::asio::time_traits<Time>,
+ typename TimerService = deadline_timer_service<Time, TimeTraits> >
class basic_socket_streambuf
: public std::streambuf,
private boost::base_from_member<io_service>,
@@ -84,11 +98,19 @@ public:
/// The endpoint type.
typedef typename Protocol::endpoint endpoint_type;
+ /// The time type.
+ typedef typename TimeTraits::time_type time_type;
+
+ /// The duration type.
+ typedef typename TimeTraits::duration_type duration_type;
+
/// Construct a basic_socket_streambuf without establishing a connection.
basic_socket_streambuf()
: basic_socket<Protocol, StreamSocketService>(
boost::base_from_member<boost::asio::io_service>::member),
- unbuffered_(false)
+ unbuffered_(false),
+ timer_service_(0),
+ timer_state_(no_timer)
{
init_buffers();
}
@@ -98,6 +120,8 @@ public:
{
if (pptr() != pbase())
overflow(traits_type::eof());
+
+ destroy_timer();
}
/// Establish a connection.
@@ -107,14 +131,30 @@ public:
* @return \c this if a connection was successfully established, a null
* pointer otherwise.
*/
- basic_socket_streambuf<Protocol, StreamSocketService>* connect(
+ basic_socket_streambuf<Protocol, StreamSocketService,
+ Time, TimeTraits, TimerService>* connect(
const endpoint_type& endpoint)
{
init_buffers();
- boost::system::error_code ec;
- this->basic_socket<Protocol, StreamSocketService>::close(ec);
- this->basic_socket<Protocol, StreamSocketService>::connect(endpoint, ec);
- return !ec ? this : 0;
+
+ this->basic_socket<Protocol, StreamSocketService>::close(ec_);
+
+ if (timer_state_ == timer_has_expired)
+ {
+ ec_ = boost::asio::error::operation_aborted;
+ return 0;
+ }
+
+ io_handler handler = { this };
+ this->basic_socket<Protocol, StreamSocketService>::async_connect(
+ endpoint, handler);
+
+ ec_ = boost::asio::error::would_block;
+ this->get_service().get_io_service().reset();
+ do this->get_service().get_io_service().run_one();
+ while (ec_ == boost::asio::error::would_block);
+
+ return !ec_ ? this : 0;
}
#if defined(GENERATING_DOCUMENTATION)
@@ -130,6 +170,19 @@ public:
template <typename T1, ..., typename TN>
basic_socket_streambuf<Protocol, StreamSocketService>* connect(
T1 t1, ..., TN tn);
+#elif defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
+ template <typename... T>
+ basic_socket_streambuf<Protocol, StreamSocketService,
+ Time, TimeTraits, TimerService>* connect(T... x)
+ {
+ init_buffers();
+ this->basic_socket<Protocol, StreamSocketService>::close(ec_);
+ typedef typename Protocol::resolver resolver_type;
+ typedef typename resolver_type::query resolver_query;
+ resolver_query query(x...);
+ resolve_and_connect(query);
+ return !ec_ ? this : 0;
+ }
#else
BOOST_PP_REPEAT_FROM_TO(
1, BOOST_PP_INC(BOOST_ASIO_SOCKET_STREAMBUF_MAX_ARITY),
@@ -141,14 +194,85 @@ public:
* @return \c this if a connection was successfully established, a null
* pointer otherwise.
*/
- basic_socket_streambuf<Protocol, StreamSocketService>* close()
+ basic_socket_streambuf<Protocol, StreamSocketService,
+ Time, TimeTraits, TimerService>* close()
{
- boost::system::error_code ec;
sync();
- this->basic_socket<Protocol, StreamSocketService>::close(ec);
- if (!ec)
+ this->basic_socket<Protocol, StreamSocketService>::close(ec_);
+ if (!ec_)
init_buffers();
- return !ec ? this : 0;
+ return !ec_ ? this : 0;
+ }
+
+ /// Get the last error associated with the stream buffer.
+ /**
+ * @return An \c error_code corresponding to the last error from the stream
+ * buffer.
+ */
+ const boost::system::error_code& puberror() const
+ {
+ return error();
+ }
+
+ /// Get the stream buffer's expiry time as an absolute time.
+ /**
+ * @return An absolute time value representing the stream buffer's expiry
+ * time.
+ */
+ time_type expires_at() const
+ {
+ return timer_service_
+ ? timer_service_->expires_at(timer_implementation_)
+ : time_type();
+ }
+
+ /// Set the stream buffer's expiry time as an absolute time.
+ /**
+ * This function sets the expiry time associated with the stream. Stream
+ * operations performed after this time (where the operations cannot be
+ * completed using the internal buffers) will fail with the error
+ * boost::asio::error::operation_aborted.
+ *
+ * @param expiry_time The expiry time to be used for the stream.
+ */
+ void expires_at(const time_type& expiry_time)
+ {
+ construct_timer();
+
+ boost::system::error_code ec;
+ timer_service_->expires_at(timer_implementation_, expiry_time, ec);
+ boost::asio::detail::throw_error(ec, "expires_at");
+
+ start_timer();
+ }
+
+ /// Get the stream buffer's expiry time relative to now.
+ /**
+ * @return A relative time value representing the stream buffer's expiry time.
+ */
+ duration_type expires_from_now() const
+ {
+ return TimeTraits::subtract(expires_at(), TimeTraits::now());
+ }
+
+ /// Set the stream buffer's expiry time relative to now.
+ /**
+ * This function sets the expiry time associated with the stream. Stream
+ * operations performed after this time (where the operations cannot be
+ * completed using the internal buffers) will fail with the error
+ * boost::asio::error::operation_aborted.
+ *
+ * @param expiry_time The expiry time to be used for the timer.
+ */
+ void expires_from_now(const duration_type& expiry_time)
+ {
+ construct_timer();
+
+ boost::system::error_code ec;
+ timer_service_->expires_from_now(timer_implementation_, expiry_time, ec);
+ boost::asio::detail::throw_error(ec, "expires_from_now");
+
+ start_timer();
}
protected:
@@ -156,15 +280,26 @@ protected:
{
if (gptr() == egptr())
{
- boost::system::error_code ec;
- std::size_t bytes_transferred = this->service.receive(
- this->implementation,
+ if (timer_state_ == timer_has_expired)
+ {
+ ec_ = boost::asio::error::operation_aborted;
+ return traits_type::eof();
+ }
+
+ io_handler handler = { this };
+ this->get_service().async_receive(this->get_implementation(),
boost::asio::buffer(boost::asio::buffer(get_buffer_) + putback_max),
- 0, ec);
- if (ec)
+ 0, handler);
+
+ ec_ = boost::asio::error::would_block;
+ this->get_service().get_io_service().reset();
+ do this->get_service().get_io_service().run_one();
+ while (ec_ == boost::asio::error::would_block);
+ if (ec_)
return traits_type::eof();
- setg(get_buffer_.begin(), get_buffer_.begin() + putback_max,
- get_buffer_.begin() + putback_max + bytes_transferred);
+
+ setg(&get_buffer_[0], &get_buffer_[0] + putback_max,
+ &get_buffer_[0] + putback_max + bytes_transferred_);
return traits_type::to_int_type(*gptr());
}
else
@@ -184,13 +319,25 @@ protected:
}
else
{
+ if (timer_state_ == timer_has_expired)
+ {
+ ec_ = boost::asio::error::operation_aborted;
+ return traits_type::eof();
+ }
+
// Send the single character immediately.
- boost::system::error_code ec;
char_type ch = traits_type::to_char_type(c);
- this->service.send(this->implementation,
- boost::asio::buffer(&ch, sizeof(char_type)), 0, ec);
- if (ec)
+ io_handler handler = { this };
+ this->get_service().async_send(this->get_implementation(),
+ boost::asio::buffer(&ch, sizeof(char_type)), 0, handler);
+
+ ec_ = boost::asio::error::would_block;
+ this->get_service().get_io_service().reset();
+ do this->get_service().get_io_service().run_one();
+ while (ec_ == boost::asio::error::would_block);
+ if (ec_)
return traits_type::eof();
+
return c;
}
}
@@ -201,15 +348,26 @@ protected:
boost::asio::buffer(pbase(), pptr() - pbase());
while (boost::asio::buffer_size(buffer) > 0)
{
- boost::system::error_code ec;
- std::size_t bytes_transferred = this->service.send(
- this->implementation, boost::asio::buffer(buffer),
- 0, ec);
- if (ec)
+ if (timer_state_ == timer_has_expired)
+ {
+ ec_ = boost::asio::error::operation_aborted;
+ return traits_type::eof();
+ }
+
+ io_handler handler = { this };
+ this->get_service().async_send(this->get_implementation(),
+ boost::asio::buffer(buffer), 0, handler);
+
+ ec_ = boost::asio::error::would_block;
+ this->get_service().get_io_service().reset();
+ do this->get_service().get_io_service().run_one();
+ while (ec_ == boost::asio::error::would_block);
+ if (ec_)
return traits_type::eof();
- buffer = buffer + bytes_transferred;
+
+ buffer = buffer + bytes_transferred_;
}
- setp(put_buffer_.begin(), put_buffer_.end());
+ setp(&put_buffer_[0], &put_buffer_[0] + put_buffer_.size());
// If the new character is eof then our work here is done.
if (traits_type::eq_int_type(c, traits_type::eof()))
@@ -239,45 +397,141 @@ protected:
return 0;
}
+ /// Get the last error associated with the stream buffer.
+ /**
+ * @return An \c error_code corresponding to the last error from the stream
+ * buffer.
+ */
+ virtual const boost::system::error_code& error() const
+ {
+ return ec_;
+ }
+
private:
void init_buffers()
{
- setg(get_buffer_.begin(),
- get_buffer_.begin() + putback_max,
- get_buffer_.begin() + putback_max);
+ setg(&get_buffer_[0],
+ &get_buffer_[0] + putback_max,
+ &get_buffer_[0] + putback_max);
if (unbuffered_)
setp(0, 0);
else
- setp(put_buffer_.begin(), put_buffer_.end());
+ setp(&put_buffer_[0], &put_buffer_[0] + put_buffer_.size());
}
template <typename ResolverQuery>
- void resolve_and_connect(const ResolverQuery& query,
- boost::system::error_code& ec)
+ void resolve_and_connect(const ResolverQuery& query)
{
typedef typename Protocol::resolver resolver_type;
typedef typename resolver_type::iterator iterator_type;
resolver_type resolver(
boost::base_from_member<boost::asio::io_service>::member);
- iterator_type i = resolver.resolve(query, ec);
- if (!ec)
+ iterator_type i = resolver.resolve(query, ec_);
+ if (!ec_)
{
iterator_type end;
- ec = boost::asio::error::host_not_found;
- while (ec && i != end)
+ ec_ = boost::asio::error::host_not_found;
+ while (ec_ && i != end)
{
- this->basic_socket<Protocol, StreamSocketService>::close();
- this->basic_socket<Protocol, StreamSocketService>::connect(*i, ec);
+ this->basic_socket<Protocol, StreamSocketService>::close(ec_);
+
+ if (timer_state_ == timer_has_expired)
+ {
+ ec_ = boost::asio::error::operation_aborted;
+ return;
+ }
+
+ io_handler handler = { this };
+ this->basic_socket<Protocol, StreamSocketService>::async_connect(
+ *i, handler);
+
+ ec_ = boost::asio::error::would_block;
+ this->get_service().get_io_service().reset();
+ do this->get_service().get_io_service().run_one();
+ while (ec_ == boost::asio::error::would_block);
+
++i;
}
}
}
+ struct io_handler;
+ friend struct io_handler;
+ struct io_handler
+ {
+ basic_socket_streambuf* this_;
+
+ void operator()(const boost::system::error_code& ec,
+ std::size_t bytes_transferred = 0)
+ {
+ this_->ec_ = ec;
+ this_->bytes_transferred_ = bytes_transferred;
+ }
+ };
+
+ struct timer_handler;
+ friend struct timer_handler;
+ struct timer_handler
+ {
+ basic_socket_streambuf* this_;
+
+ void operator()(const boost::system::error_code&)
+ {
+ time_type now = TimeTraits::now();
+
+ time_type expiry_time = this_->timer_service_->expires_at(
+ this_->timer_implementation_);
+
+ if (TimeTraits::less_than(now, expiry_time))
+ {
+ this_->timer_state_ = timer_is_pending;
+ this_->timer_service_->async_wait(this_->timer_implementation_, *this);
+ }
+ else
+ {
+ this_->timer_state_ = timer_has_expired;
+ boost::system::error_code ec;
+ this_->basic_socket<Protocol, StreamSocketService>::close(ec);
+ }
+ }
+ };
+
+ void construct_timer()
+ {
+ if (timer_service_ == 0)
+ {
+ TimerService& timer_service = use_service<TimerService>(
+ boost::base_from_member<boost::asio::io_service>::member);
+ timer_service.construct(timer_implementation_);
+ timer_service_ = &timer_service;
+ }
+ }
+
+ void destroy_timer()
+ {
+ if (timer_service_)
+ timer_service_->destroy(timer_implementation_);
+ }
+
+ void start_timer()
+ {
+ if (timer_state_ != timer_is_pending)
+ {
+ timer_handler handler = { this };
+ handler(boost::system::error_code());
+ }
+ }
+
enum { putback_max = 8 };
enum { buffer_size = 512 };
- boost::array<char, buffer_size> get_buffer_;
- boost::array<char, buffer_size> put_buffer_;
+ boost::asio::detail::array<char, buffer_size> get_buffer_;
+ boost::asio::detail::array<char, buffer_size> put_buffer_;
bool unbuffered_;
+ boost::system::error_code ec_;
+ std::size_t bytes_transferred_;
+ TimerService* timer_service_;
+ typename TimerService::implementation_type timer_implementation_;
+ enum state { no_timer, timer_is_pending, timer_has_expired } timer_state_;
};
} // namespace asio
@@ -285,7 +539,9 @@ private:
#include <boost/asio/detail/pop_options.hpp>
-#undef BOOST_ASIO_PRIVATE_CONNECT_DEF
+#if !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
+# undef BOOST_ASIO_PRIVATE_CONNECT_DEF
+#endif // !defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
#endif // !defined(BOOST_NO_IOSTREAM)