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logreaderport.h
1/*
2 * GearBox Project: Peer-Reviewed Open-Source Libraries for Robotics
3 * http://gearbox.sf.net/
4 * Copyright (c) 2008 Geoffrey Biggs
5 *
6 * flexiport flexible hardware data communications library.
7 *
8 * This distribution is licensed to you under the terms described in the LICENSE file included in
9 * this distribution.
10 *
11 * This work is a product of the National Institute of Advanced Industrial Science and Technology,
12 * Japan. Registration number: H20PRO-881
13 *
14 * This file is part of flexiport.
15 *
16 * flexiport is free software: you can redistribute it and/or modify it under the terms of the GNU
17 * Lesser General Public License as published by the Free Software Foundation, either version 3 of
18 * the License, or (at your option) any later version.
19 *
20 * flexiport is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
21 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public License along with flexiport.
25 * If not, see <http://www.gnu.org/licenses/>.
26 */
27
28#ifndef __LOGREADERPORT_H
29#define __LOGREADERPORT_H
30
31#include "port.h"
32
33#include <map>
34#include <string>
35
39
40namespace flexiport
41{
42
43class LogFile;
44
75class FLEXIPORT_EXPORT LogReaderPort : public Port
76{
77 public:
78 LogReaderPort (std::map<std::string, std::string> options);
79 ~LogReaderPort ();
80
82 void Open ();
84 void Close ();
86 ssize_t Read (void * const buffer, size_t count);
88 ssize_t ReadFull (void * const buffer, size_t count);
90 ssize_t BytesAvailable ();
92 ssize_t BytesAvailableWait ();
94 ssize_t Write (const void * const buffer, size_t count);
96 void Flush ();
98 void Drain ();
100 std::string GetStatus () const;
102 void SetTimeout (Timeout timeout);
104 void SetCanRead (bool canRead);
106 void SetCanWrite (bool canWrite);
108 bool IsOpen () const;
109
110 private:
111 LogFile *_logFile;
112 std::string _logFileName;
113 unsigned int _strictness;
114 int _jitter;
115 bool _ignoreTimes;
116 bool _open;
117
118 bool ProcessOption (const std::string &option, const std::string &value);
119 void CheckPort (bool read);
120};
121
122} // namespace flexiport
123
125
126#endif // __LOGREADERPORT_H
void Drain()
Drain the port's input and output buffers.
Definition logreaderport.cpp:250
ssize_t Read(void *const buffer, size_t count)
Read from the port.
Definition logreaderport.cpp:99
ssize_t ReadFull(void *const buffer, size_t count)
Read the requested quantity of data from the port.
Definition logreaderport.cpp:117
ssize_t BytesAvailableWait()
Get the number of bytes waiting after blocking for the timeout.
Definition logreaderport.cpp:182
void SetCanRead(bool canRead)
Set the read permissions of the port.
Definition logreaderport.cpp:279
ssize_t BytesAvailable()
Get the number of bytes waiting to be read at the port. Returns immediatly.
Definition logreaderport.cpp:169
std::string GetStatus() const
Get the status of the port (type, device, etc).
Definition logreaderport.cpp:261
ssize_t Write(const void *const buffer, size_t count)
Write data to the port.
Definition logreaderport.cpp:198
void Open()
Open the port.
Definition logreaderport.cpp:71
bool IsOpen() const
Check if the port is open.
Definition logreaderport.cpp:289
void Close()
Close the port.
Definition logreaderport.cpp:84
void Flush()
Flush the port's input and output buffers, discarding all data.
Definition logreaderport.cpp:242
void SetTimeout(Timeout timeout)
Set the timeout value in milliseconds.
Definition logreaderport.cpp:274
void SetCanWrite(bool canWrite)
Set the write permissions of the port.
Definition logreaderport.cpp:284
An object used to represent timeouts.
Definition timeout.h:63
FlexiPort data communications library.
 

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