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/*
Copyright (C) 2009 Red Hat, Inc.
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 the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_NAMED_PIPE
#define _H_NAMED_PIPE
#include <windows.h>
#include "process_loop.h"
#include "event_sources.h"
#include "platform.h"
#define PIPE_TIMEOUT 5000
#define PIPE_BUF_SIZE 8192
#define PIPE_MAX_NAME_LEN 256
#define PIPE_PREFIX TEXT("\\\\.\\pipe\\")
class WinConnection;
class PipeBuffer: public EventSources::Handle {
public:
PipeBuffer(HANDLE pipe, ProcessLoop& process_loop);
~PipeBuffer();
void set_handler(NamedPipe::ConnectionInterface* handler) { _handler = handler;}
DWORD get_overlapped_bytes();
protected:
NamedPipe::ConnectionInterface *_handler;
OVERLAPPED _overlap;
HANDLE _pipe;
uint32_t _start;
uint32_t _end;
uint8_t _data[PIPE_BUF_SIZE];
bool _pending;
ProcessLoop& _process_loop;
};
class PipeReader: public PipeBuffer {
public:
PipeReader(HANDLE pipe, ProcessLoop& process_loop) : PipeBuffer(pipe, process_loop) {}
int32_t read(uint8_t *buf, int32_t size);
void on_event();
};
class PipeWriter: public PipeBuffer {
public:
PipeWriter(HANDLE pipe, ProcessLoop& process_loop) : PipeBuffer(pipe, process_loop) {}
int32_t write(const uint8_t *buf, int32_t size);
void on_event();
};
class WinConnection {
public:
WinConnection(HANDLE pipe, ProcessLoop& process_loop);
~WinConnection();
int32_t read(uint8_t *buf, int32_t size);
int32_t write(const uint8_t *buf, int32_t size);
void set_handler(NamedPipe::ConnectionInterface* handler);
private:
HANDLE _pipe;
PipeWriter _writer;
PipeReader _reader;
};
class WinListener: public EventSources::Handle {
public:
WinListener(const char *name, NamedPipe::ListenerInterface &listener_interface,
ProcessLoop& process_loop);
~WinListener();
void on_event();
private:
void create_pipe();
private:
TCHAR *_pipename;
NamedPipe::ListenerInterface &_listener_interface;
OVERLAPPED _overlap;
HANDLE _pipe;
ProcessLoop& _process_loop;
};
#endif
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