// $Id$
//
-// Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-// Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Copyright (C) 2006
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+// Stefan Bund <g0dil@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
/** \file
+ \brief ReadPolicy and WritePolicy public header
- \todo ReadWritePolicy.test.cc
+ \todo ReadWritePolicy.test.cc
*/
-#ifndef HH_ReadWritePolicy_
-#define HH_ReadWritePolicy_ 1
+#ifndef HH_SENF_Socket_ReadWritePolicy_
+#define HH_SENF_Socket_ReadWritePolicy_ 1
// Custom includes
#include "SocketPolicy.hh"
#include "ClientSocketHandle.hh"
-#include "CommunicationPolicy.hh"
+#include "CommunicationPolicy.hh"
//#include "ReadWritePolicy.mpp"
///////////////////////////////hh.p////////////////////////////////////////
namespace senf {
+ /// \addtogroup policy_impl_group
+ /// @{
+ /** \brief ReadPolicy for readable sockets
+
+ This policy provides support for readable sockets via the standard UNIX read/recvfrom system
+ calls. The concrete semantics of the read calls depend on the framing policy of the socket.
+ */
struct ReadablePolicy : public ReadPolicyBase
{
static unsigned read(FileHandle handle, char * buffer, unsigned size);
- template <class Policy>
- static unsigned readfrom(ClientSocketHandle<Policy> handle, char * buffer, unsigned size,
- typename Policy::AddressingPolicy::Address & address,
- typename IfCommunicationPolicyIs<Policy,UnconnectedCommunicationPolicy>::type * = 0);
+ ///< read data from socket
+ /**< \param[in] handle socket handle to read from
+ \param[in] buffer address of buffer to write data to
+ \param[in] size size of buffer
+ \returns number of bytes read */
+# ifndef DOXYGEN
+ template <class SPolicy>
+ static unsigned readfrom(ClientSocketHandle<SPolicy> handle, char * buffer, unsigned size,
+ typename SPolicy::AddressingPolicy::Address & address,
+ typename IfCommunicationPolicyIs<
+ SPolicy,UnconnectedCommunicationPolicy>::type * = 0);
+# else
+ template <class SPolicy>
+ static unsigned readfrom(ClientSocketHandle<SPolicy> handle, char * buffer, unsigned size,
+ typename Policy::AddressingPolicy::Address & address);
+ ///< read data from socket returning peer address
+ /**< \param[in] handle socket handle to read from
+ \param[in] buffer address of buffer to write data to
+ \param[in] size size of buffer
+ \param[out] address peer address
+ \returns number of bytes read */
+# endif
private:
static unsigned do_readfrom(FileHandle handle, char * buffer, unsigned size,
- struct ::sockaddr * addr, socklen_t len);
+ struct ::sockaddr * addr, socklen_t * len);
};
+ /** \brief ReadPolicy for unreadable sockets
+
+ This is different from UndefinedReadPolicy (which is the same as ReadPolicyBase). This
+ policy class defines the socket readability -- it explicitly states, that the socket does
+ not support reading.
+ */
struct NotReadablePolicy : public ReadPolicyBase
{};
+ /** \brief WritePolicy for writeable sockets
+
+ This policy provides support for writable sockets via the standard UNIX write/sendto system
+ calls. The concrete semantics of the write calls depend on the framing policy of the socket.
+ */
struct WriteablePolicy : public WritePolicyBase
{
- template <class Policy>
- static unsigned write(ClientSocketHandle<Policy> handle, char const * buffer, unsigned size,
- typename IfCommunicationPolicyIs<Policy,ConnectedCommunicationPolicy>::type * = 0);
- template <class Policy>
- static unsigned writeto(ClientSocketHandle<Policy> handle,
- typename boost::call_traits<typename Policy::AddressingPolicy::Address>::param_type addr,
+# ifndef DOXYGEN
+ template <class SPolicy>
+ static unsigned write(ClientSocketHandle<SPolicy> handle, char const * buffer, unsigned size,
+ typename IfCommunicationPolicyIs<
+ SPolicy,ConnectedCommunicationPolicy>::type * = 0);
+# else
+ template <class SPolicy>
+ static unsigned write(ClientSocketHandle<SPolicy> handle, char const * buffer,
+ unsigned size);
+ ///< write data to socket
+ /**< This member is only enabled if the socket uses
+ connected communication. Otherwise the communication
+ partner must be specified explicitly using the sendto
+ call
+
+ \param[in] handle socket handle to write data to
+ \param[in] buffer address of buffer to send
+ \param[in] size number of bytes to write
+ \returns number of bytes written */
+# endif
+# ifndef DOXYGEN
+ template <class SPolicy>
+ static unsigned writeto(ClientSocketHandle<SPolicy> handle,
+ typename boost::call_traits<
+ typename SPolicy::AddressingPolicy::Address>::param_type addr,
char const * buffer, unsigned size,
- typename IfCommunicationPolicyIs<Policy,UnconnectedCommunicationPolicy>::type * = 0);
+ typename IfCommunicationPolicyIs<
+ SPolicy,UnconnectedCommunicationPolicy>::type * = 0);
+# else
+ template <class SPolicy>
+ static unsigned writeto(ClientSocketHandle<SPolicy> handle,
+ typename Policy::AddressingPolicy::Address const & addr,
+ char const * buffer, unsigned size);
+ ///< write data to socket sending to given peer
+ /**< This member is only enabled if the socket uses
+ unconnected communication. Otherwise no target may be
+ specified since it is implied in the connection.
+
+ \param[in] handle socket handle to write data to
+ \param[in] buffer address of buffer to send
+ \param[in] size number of bytes to write
+ \param[in] addr peer to send data to
+ \returns number of bytes written
+ */
+# endif
private:
static unsigned do_write(FileHandle handle, char const * buffer, unsigned size);
static unsigned do_writeto(FileHandle handle, char const * buffer, unsigned size,
- struct sockaddr * addr, socklen_t len);
+ struct sockaddr const * addr, socklen_t len);
};
-
+
+ /** \brief WritePolicy for unwriteable sockets
+
+ This is different from UndefinedWritePolicy (which is the same as WritePolicyBase). This
+ policy class defines the socket writeability -- it explicitly states, that the socket does
+ not support writing.
+ */
struct NotWriteablePolicy : public WritePolicyBase
{};
+ /// @}
+
}
\f
// Local Variables:
// mode: c++
+// fill-column: 100
// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// comment-column: 40
// End:
projects / senf.git / blobdiff