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Diffstat (limited to 'include/dbus-c++/pipe.h')
-rw-r--r-- | include/dbus-c++/pipe.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/dbus-c++/pipe.h b/include/dbus-c++/pipe.h new file mode 100644 index 0000000..752d48d --- /dev/null +++ b/include/dbus-c++/pipe.h @@ -0,0 +1,69 @@ +/* + * + * D-Bus++ - C++ bindings for D-Bus + * + * Copyright (C) 2005-2007 Paolo Durante <shackan@gmail.com> + * + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef DBUSXX_PIPE_H +#define DBUSXX_PIPE_H + +/* Project */ +#include "api.h" + +/* STD */ +#include <cstdlib> + +namespace DBus { + +class DXXAPI Pipe +{ +public: + /*! + * Write some data into the communication pipe. + * + * @param buffer The raw data to write. + * @param nbytes The number of bytes to write from the buffer. + */ + void write(const void *buffer, unsigned int nbytes); + + ssize_t read(void *buffer, unsigned int &nbytes); + + /*! + * Simply write one single byte into the pipe. This is a shortcut + * if there's really no data to transport, but to activate the handler. + */ + void signal(); + +private: + void(*_handler)(const void *data, void *buffer, unsigned int nbyte); + int _fd_write; + int _fd_read; + const void *_data; + + // allow construction only in BusDispatcher + Pipe (void(*handler)(const void *data, void *buffer, unsigned int nbyte), const void *data); + ~Pipe () {}; + +friend class BusDispatcher; +}; + +} /* namespace DBus */ + +#endif // DBUSXX_PIPE_H |