NATMap Class Reference

#include <NATMap.h>

Public Member Functions
	NATMap ()
	~NATMap ()
void	insertElement (NATData server_map, int stor_id, NATData storage_map)
NATData	getElement (NATData server_map, int stor_id)
void	removeElement (NATData server_map, int stor_id)
bool	findElement (NATData server_map, int stor_id)
Private Attributes
map< pair< NATData, int > , NATData >	nat_map
pthread_mutex_t	m_Mutex

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Detailed Description

Definition at line 48 of file NATMap.h.

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Constructor & Destructor Documentation

NATMap::NATMap

(

)

Definition at line 66 of file NATMap.cpp.

{
    // Inicializa o mutex da classe.
    pthread_mutex_init( &m_Mutex, NULL );
}

NATMap::~NATMap

(

)

Definition at line 72 of file NATMap.cpp.

{
    // Destroi o mutex da classe.
    pthread_mutex_destroy( &m_Mutex );
}

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Member Function Documentation

bool NATMap::findElement	(	NATData	server_map,
		int	stor_id
	)

Definition at line 136 of file NATMap.cpp.

{
    bool isFound;
    map<pair<NATData, int>, NATData>::iterator Element;
    pair<NATData, int> current_pair( server_map, stor_id );

    pthread_mutex_lock( &m_Mutex );

    // Obtem o elemento dado pela chave. Se ele nao existir, entao Element sera
    // igual a nat_map.end(). Entao, somente deveremos verificar se o iterador
    // e diferente de nat_map.end().
    Element = nat_map.find( current_pair );
    isFound = ( Element != nat_map.end() );

    pthread_mutex_unlock( &m_Mutex );

    return( isFound );
}

NATData NATMap::getElement	(	NATData	server_map,
		int	stor_id
	)

Definition at line 101 of file NATMap.cpp.

{
    pair<NATData, int> current_pair( server_map, stor_id );
    NATData Data;

    pthread_mutex_lock( &m_Mutex );

    #ifdef RIO_DEBUG2
    struct in_addr ip1, ip2;
    ip1.s_addr = server_map.nat_addr;
    ip2.s_addr = nat_map[current_pair].nat_addr;
    RioErr << "[NATMap] Retrieving NAT mapping" << endl;
    RioErr << inet_ntoa( ip1 ) << " , "
           << ntohs( server_map.nat_port ) << " , "
           << stor_id << " ==> ";
    fflush( stderr ); 
    RioErr << inet_ntoa( ip2 ) << " , "
           << ntohs( nat_map[current_pair].nat_port ) << endl;
    #endif

    Data = nat_map[current_pair];
    pthread_mutex_unlock( &m_Mutex );
    return Data;
};

void NATMap::insertElement	(	NATData	server_map,
		int	stor_id,
		NATData	storage_map
	)

Definition at line 78 of file NATMap.cpp.

{
    pair<NATData, int> current_pair( server_map, stor_id );

    pthread_mutex_lock( &m_Mutex );
    nat_map[current_pair] = storage_map;

    #ifdef RIO_DEBUG2
    struct in_addr ip1, ip2;
    ip1.s_addr = server_map.nat_addr;
    ip2.s_addr = storage_map.nat_addr;
    RioErr << "[NATMap] Inserting NAT mapping" << endl;
    RioErr << inet_ntoa( ip1 ) << " , "
           << ntohs( server_map.nat_port ) << " , "
           << stor_id << " ==> ";
    fflush( stderr ); 
    RioErr << inet_ntoa( ip2 ) << " , "
           << ntohs( storage_map.nat_port ) << endl;
    #endif

    pthread_mutex_unlock( &m_Mutex );
};

void NATMap::removeElement	(	NATData	server_map,
		int	stor_id
	)

Definition at line 126 of file NATMap.cpp.

{
    pair<NATData, int> current_pair( server_map, stor_id );

    pthread_mutex_lock( &m_Mutex );
    nat_map.erase( current_pair );
    pthread_mutex_unlock( &m_Mutex );
}

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Field Documentation

pthread_mutex_t NATMap::m_Mutex [private]

Definition at line 53 of file NATMap.h.

map<pair<NATData, int>, NATData> NATMap::nat_map [private]

Definition at line 51 of file NATMap.h.

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The documentation for this class was generated from the following files:

• NATMap.h
• NATMap.cpp