OMNeT++ Parallel Simulation Support  6.0.3
ccommbufferbase.h
1 //=========================================================================
2 // CCOMMBUFFERBASE.H - part of
3 //
4 // OMNeT++/OMNEST
5 // Discrete System Simulation in C++
6 //
7 //=========================================================================
8 
9 /*--------------------------------------------------------------*
10  Copyright (C) 1992-2017 Andras Varga
11  Copyright (C) 2006-2017 OpenSim Ltd.
12 
13  This file is distributed WITHOUT ANY WARRANTY. See the file
14  `license' for details on this and other legal matters.
15 *--------------------------------------------------------------*/
16 
17 #ifndef __OMNETPP_CCOMMBUFFERBASE_H
18 #define __OMNETPP_CCOMMBUFFERBASE_H
19 
20 #include "omnetpp/ccommbuffer.h"
21 
22 namespace omnetpp {
23 
28 class SIM_API cCommBufferBase : public cCommBuffer
29 {
30  protected:
31  char *mBuffer = nullptr; // the buffer
32  int mBufferSize = 0; // size of buffer allocated
33  int mMsgSize = 0; // current msg size (incremented by pack() functions)
34  int mPosition = 0; // current position in buffer for unpacking
35 
36  protected:
37  void extendBufferFor(int dataSize);
38 
39  public:
43  cCommBufferBase() {}
44 
48  virtual ~cCommBufferBase();
49 
55  char *getBuffer() const;
56 
60  int getBufferLength() const;
61 
66  void allocateAtLeast(int size);
67 
72  void setMessageSize(int size);
73 
77  int getMessageSize() const;
78 
82  void reset();
83 
89  virtual bool isBufferEmpty() const override;
90 
96  virtual void assertBufferEmpty() override;
97 
101  virtual void swap(cCommBufferBase *other);
102 
104 };
105 
106 } // namespace omnetpp
107 
108 
109 #endif
omnetpp::cCommBufferBase
Adds buffer (re)allocation functions to cCommBuffer. This functionality is not always needed,...
Definition: ccommbufferbase.h:28
omnetpp::cCommBufferBase::cCommBufferBase
cCommBufferBase()
Definition: ccommbufferbase.h:43
omnetpp::cCommBuffer