A Discrete-Event Network Simulator
API
pcap-file-wrapper.h
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18 
19 #ifndef PCAP_FILE_WRAPPER_H
20 #define PCAP_FILE_WRAPPER_H
21 
22 #include <cstring>
23 #include <limits>
24 #include <fstream>
25 #include "ns3/ptr.h"
26 #include "ns3/packet.h"
27 #include "ns3/object.h"
28 #include "ns3/nstime.h"
29 #include "pcap-file.h"
30 
31 namespace ns3 {
32 
39 class PcapFileWrapper : public Object
40 {
41 public:
46  static TypeId GetTypeId (void);
47 
48  PcapFileWrapper ();
50 
51 
55  bool Fail (void) const;
59  bool Eof (void) const;
63  void Clear (void);
64 
78  void Open (std::string const &filename, std::ios::openmode mode);
79 
83  void Close (void);
84 
108  void Init (uint32_t dataLinkType,
109  uint32_t snapLen = std::numeric_limits<uint32_t>::max (),
110  int32_t tzCorrection = PcapFile::ZONE_DEFAULT);
111 
119  void Write (Time t, Ptr<const Packet> p);
120 
133  void Write (Time t, const Header &header, Ptr<const Packet> p);
134 
143  void Write (Time t, uint8_t const *buffer, uint32_t length);
144 
151  Ptr<Packet> Read (Time &t);
152 
161  uint32_t GetMagic (void);
162 
171  uint16_t GetVersionMajor (void);
172 
181  uint16_t GetVersionMinor (void);
182 
191  int32_t GetTimeZoneOffset (void);
192 
201  uint32_t GetSigFigs (void);
202 
211  uint32_t GetSnapLen (void);
212 
221  uint32_t GetDataLinkType (void);
222 
223 private:
225  uint32_t m_snapLen;
227 };
228 
229 } // namespace ns3
230 
231 #endif /* PCAP_FILE_WRAPPER_H */
Protocol header serialization and deserialization.
Definition: header.h:42
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
uint32_t GetMagic(void)
Returns the magic number of the pcap file as defined by the magic_number field in the pcap global hea...
void Write(Time t, Ptr< const Packet > p)
Write the next packet to file.
void Init(uint32_t dataLinkType, uint32_t snapLen=std::numeric_limits< uint32_t >::max(), int32_t tzCorrection=PcapFile::ZONE_DEFAULT)
Initialize the pcap file associated with this wrapper.
uint16_t GetVersionMajor(void)
Returns the major version of the pcap file as defined by the version_major field in the pcap global h...
uint32_t GetDataLinkType(void)
Returns the data link type field of the pcap file as defined by the network field in the pcap global ...
#define max(a, b)
Definition: 80211b.c:45
A class representing a pcap file.
Definition: pcap-file.h:42
static TypeId GetTypeId(void)
Get the type ID.
int32_t GetTimeZoneOffset(void)
Returns the time zone offset of the pcap file as defined by the thiszone field in the pcap global hea...
void Clear(void)
Clear all state bits of the underlying iostream.
static const int32_t ZONE_DEFAULT
Time zone offset for current location.
Definition: pcap-file.h:45
bool Eof(void) const
Ptr< Packet > Read(Time &t)
Read the next packet from the file.
void Open(std::string const &filename, std::ios::openmode mode)
Create a new pcap file or open an existing pcap file.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
uint16_t GetVersionMinor(void)
Returns the minor version of the pcap file as defined by the version_minor field in the pcap global h...
uint32_t GetSigFigs(void)
Returns the accuracy of timestamps field of the pcap file as defined by the sigfigs field in the pcap...
bool m_nanosecMode
Timestamps in nanosecond mode.
PcapFile m_file
Pcap file.
uint32_t m_snapLen
max length of saved packets
bool Fail(void) const
A base class which provides memory management and object aggregation.
Definition: object.h:87
void Close(void)
Close the underlying pcap file.
A class that wraps a PcapFile as an ns3::Object and provides a higher-layer ns-3 interface to the low...
a unique identifier for an interface.
Definition: type-id.h:58
uint32_t GetSnapLen(void)
Returns the max length of saved packets field of the pcap file as defined by the snaplen field in the...