76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/*
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; Project: Open Vehicle Monitor System
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; Date: 14th March 2017
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;
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; Changes:
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; 1.0 Initial release
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;
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; (C) 2011 Michael Stegen / Stegen Electronics
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; (C) 2011-2017 Mark Webb-Johnson
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; (C) 2011 Sonny Chen @ EPRO/DX
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;
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; Permission is hereby granted, free of charge, to any person obtaining a copy
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; of this software and associated documentation files (the "Software"), to deal
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; in the Software without restriction, including without limitation the rights
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; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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; copies of the Software, and to permit persons to whom the Software is
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; furnished to do so, subject to the following conditions:
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;
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; The above copyright notice and this permission notice shall be included in
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; all copies or substantial portions of the Software.
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;
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; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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; THE SOFTWARE.
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*/
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#ifndef __OVMS_BUFFER_H__
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#define __OVMS_BUFFER_H__
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#include <string>
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#include <stdint.h>
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class OvmsBuffer
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{
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public:
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OvmsBuffer(size_t size, void* userdata = 0);
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virtual ~OvmsBuffer();
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public:
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size_t Size();
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size_t FreeSpace();
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size_t UsedSpace();
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public:
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void EmptyAll();
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bool Push(uint8_t byte);
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bool Push(uint8_t *byte, size_t count);
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uint8_t Pop();
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size_t Pop(size_t count, uint8_t *dest);
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uint8_t Peek();
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size_t Peek(size_t count, uint8_t *dest);
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void Diagnostics();
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public:
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int HasLine();
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std::string ReadLine();
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public:
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int PollSocket(int sock, long timeoutms);
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public:
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void* m_userdata;
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protected:
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uint8_t *m_buffer;
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int m_head;
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int m_tail;
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size_t m_size;
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size_t m_used;
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};
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#endif //#ifndef __OVMS_BUFFER_H__
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