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Additions to tcponudp to add a TouKeepAlive system.

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This is only used if we are in 'firewalled' mode.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@360 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
drbob 2008-02-28 10:43:33 +00:00
parent 31454138b7
commit 6dd3d30d8e
9 changed files with 335 additions and 25 deletions
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38
libretroshare/src/tcponudp/udpsorter.h
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@ -43,6 +43,24 @@ class UdpPeer
virtual void recvPkt(void *data, int size) = 0;
};
class TouStunPeer
{
public:
TouStunPeer()
:lastsend(0), failCount(0) { return; }
TouStunPeer(std::string id_in, const struct sockaddr_in &addr)
:id(id_in), remote(addr), lastsend(0), failCount(0) { return; }
std::string id;
struct sockaddr_in remote;
time_t lastsend;
uint32_t failCount;
};
class UdpSorter: public UdpReceiver
{
public:
@ -52,7 +70,11 @@ virtual ~UdpSorter() { return; }
/* add a TCPonUDP stream */
int addUdpPeer(UdpPeer *peer, const struct sockaddr_in &raddr);
bool setStunKeepAlive(uint32_t required);
bool addStunPeer(const struct sockaddr_in &remote, const char *peerid);
bool checkStunKeepAlive();
bool externalAddr(struct sockaddr_in &remote);
/* Packet IO */
@ -76,7 +98,7 @@ int status(std::ostream &out);
/* STUN handling */
bool isStunPacket(void *data, int size);
bool handleStunPkt(void *data, int size, struct sockaddr_in &from);
bool locked_handleStunPkt(void *data, int size, struct sockaddr_in &from);
int doStun(struct sockaddr_in stun_addr);
bool response(void *stun_pkt, int size, struct sockaddr_in &addr);
@ -84,7 +106,10 @@ bool response(void *stun_pkt, int size, struct sockaddr_in &addr);
void *generate_stun_reply(struct sockaddr_in *stun_addr, int *len);
bool generate_stun_pkt(void *stun_pkt, int *len);
/* stun keepAlive */
bool locked_printStunList();
bool locked_recvdStun(const struct sockaddr_in &remote);
bool storeStunPeer(const struct sockaddr_in &remote, const char *peerid);
UdpLayer *udpLayer;
@ -94,9 +119,16 @@ bool generate_stun_pkt(void *stun_pkt, int *len);
struct sockaddr_in eaddr; /* external addr */
bool eaddrKnown;
std::list<struct sockaddr_in> stunPeers; /* potentials */
bool mStunKeepAlive;
time_t mStunLastRecv;
time_t mStunLastSend;
std::list<TouStunPeer> mStunList; /* potentials */
std::map<struct sockaddr_in, UdpPeer *> streams;
};
#endif