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#ifndef INCLUDED_IPBASE_
#define INCLUDED_IPBASE_
#include <iosfwd>
#include <unordered_map>
#include <mutex>
#include "../record/record.h"
// received RecordPtr objects are passed on to function that may grab
// their contents. Otherwise, the Record as const & is passed to the
// called function: destruction is then handled by the unique_ptr's
// destruction
struct IPbase
{
enum LogType
{
COMPLETE,
EXPIRED,
EOP
};
private:
std::ostream &d_stdMsg;
std::ostream &d_logDataStream;
typedef std::unordered_map<uint64_t, RecordPtr> RecordMap;
std::mutex d_mutex;
RecordMap d_map;
void (IPbase::*d_logData)(Record const &) const;
static LogType s_logType;
static std::pair<char const *, char const *> s_logTypeText[];
void (IPbase::*d_dstData)(Record const &) const; // as with the
void (IPbase::*d_viaData)(Record const &) const; // protected data
void (IPbase::*d_byteCountsData)(Record const &) const;
protected:
void (IPbase::*d_dst)(Record const &) const; // dst or noDst
void (IPbase::*d_via)(Record const &) const; // via or noVia
void (IPbase::*d_byteCounts)(Record const &) const; // byteCounts or
// noByteCounts
public:
virtual ~IPbase();
void process(RecordPtr next); // starting point: received from
// ConnectionsConsumer::run
void cleanup(time_t now_ttl);
static void setLogType(LogType logType);
static std::pair<char const *, char const *> const &logType();
protected:
// KeyMap is used to associate the OUT dev. packets
// with available IN dev packets in UDP/TCP connections
// at a syn-packet 'expired' is set true: cleanupHook
// may remove the keyMap value at cleanup time.
// At an outDev packet, if the ID is new, 'expired' is set
// false: maybe the next SYN packet immediately follows.
struct KeyMapStruct
{
bool expired;
uint64_t key;
};
typedef std::unordered_map<size_t, KeyMapStruct> KeyMap;
IPbase(std::ostream &stdMsg, std::ostream &logDataStream);
size_t size() const;
void insert(RecordPtr &next);
RecordMap::iterator find(uint64_t key);
RecordMap::iterator end();
void logCSV(Record const &record) const; // may call logData()
// (not overridden)
// also deletes the Record
void erase(RecordMap::iterator const &iter);
std::ostream &stdMsg() const;
void setVia(RecordMap::iterator const &iter, Record const &next);
void log(Record const &record) const;
void keyMapCleanup(KeyMap &keyMap);
void maybeSizeLog(size_t *lastSize, size_t keyMapSize,
char const *label);
void dst(Record const &record) const;
void dstData(Record const &record) const;
void via(Record const &record) const;
void viaData(Record const &record) const;
void byteCounts(Record const &record) const;
void byteCountsData(Record const &record) const;
private:
virtual void cleanupHook();
// default: TCP and UDP records
virtual void logConnection(Record const &record) const;
virtual void inDev(RecordPtr &next); // TCP overrides
virtual void sent(RecordPtr &next) = 0;
virtual void received(RecordPtr &next) = 0;
virtual void outDev(RecordPtr &next) = 0;
virtual void vDst(Record const &record) const;
virtual void vVia(Record const &record) const;
virtual void vByteCounts(Record const &record) const;
void ignore(Record const &record) const; // noDst, noVia,
// noByteCounts,
// noDataLog
void destroy(Record const &record);
void logData(Record const &record) const;
static std::string showLeft(size_t port, char sep);
};
inline size_t IPbase::size() const
{
return d_map.size();
}
inline void IPbase::insert(RecordPtr &next)
{
d_map.insert( { next->key(), std::move(next) } );
}
inline IPbase::RecordMap::iterator IPbase::end()
{
return d_map.end();
}
inline IPbase::RecordMap::iterator IPbase::find(uint64_t key)
{
return d_map.find(key);
}
inline void IPbase::logCSV(Record const &record) const
{
(this->*d_logData) (record);
}
inline std::ostream &IPbase::stdMsg() const
{
return d_stdMsg;
}
// static
inline std::pair<char const *, char const *> const &IPbase::logType()
{
return s_logTypeText[s_logType];
}
// static
inline void IPbase::setLogType(LogType logType)
{
if (s_logType != EOP)
s_logType = logType;
}
#endif
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