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Bugfixes for connection logic:

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* added bool return value to ConnectionRequest. only returns false if MODE not allowed.
 * added checks for an existingConnectionRequest - results in a NOOP.
 * made each ConnectionRequest result in only one UDP start.
 * a START message will not kill a local ConnectionRequest (even in remotely started).
 * increased CONNECTION_TIMEOUT as this should never happen at this level.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-netupgrade@4449 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
drbob 2011-07-15 16:02:56 +00:00
parent bffaf6e5ef
commit 6609cec94d
7 changed files with 42 additions and 12 deletions
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38
libbitdht/src/bitdht/bdconnection.cc
View File

@ -265,6 +265,8 @@ int bdConnectManager::requestConnection_direct(struct sockaddr_in *laddr, bdNode
if (checkExistingConnectionAttempt(target))
{
std::cerr << "bdConnectManager::requestConnection_direct() Existing ConnectionRequest... NOOP";
std::cerr << std::endl;
return 0;
}
@ -326,8 +328,15 @@ int bdConnectManager::requestConnection_proxy(struct sockaddr_in *laddr, bdNodeI
std::cerr << std::endl;
#endif
/* create a bdConnect, and put into the queue */
if (checkExistingConnectionAttempt(target))
{
std::cerr << "bdConnectManager::requestConnection_proxy() Existing ConnectionRequest... NOOP";
std::cerr << std::endl;
return 0;
}
/* create a bdConnect, and put into the queue */
bdConnectionRequest connreq;
connreq.setupProxyConnection(laddr, target, mode);
@ -676,7 +685,7 @@ void bdConnectManager::iterateConnectionRequests()
/* connection completed, doing UDP connection */
if (now - it->second.mStateTS > BITDHT_CONNREQUEST_TIMEOUT_CONNECT)
{
std::cerr << "bdConnectManager::iterateConnectionAttempt() EXTCONNECT has reached timout ->????";
std::cerr << "bdConnectManager::iterateConnectionAttempt() ERROR EXTCONNECT has reached timout -> SHOULD NEVER HAPPEN... restart this query:";
std::cerr << std::endl;
std::cerr << it->second;
std::cerr << std::endl;
@ -854,9 +863,29 @@ void bdConnectManager::callbackConnectRequest(bdId *srcId, bdId *proxyId, bdId *
{
if (it->second.mState == BITDHT_CONNREQUEST_INPROGRESS)
{
std::cerr << "bdConnectManager::callbackConnectRequest() ERROR alt CR also in progress!";
/* AT THIS POINT - WE SHOULD SWITCH IT INTO EXTCONNECT MODE????,
* which will timeout - if it fails...
* THIS is effectively the end of the connection attempt anyway.
* if UDP succeeds or fails, will Kill either way.
*/
std::cerr << "bdConnectManager::callbackConnectRequest() ERROR ALT CR also in progress!";
std::cerr << std::endl;
}
std::cerr << "bdConnectManager::callbackConnectRequest() WARNING Switching ALT CR to EXTCONNECT Mode";
std::cerr << std::endl;
time_t now = time(NULL);
it->second.mState = BITDHT_CONNREQUEST_EXTCONNECT;
it->second.mStateTS = now;
}
else
{
std::cerr << "bdConnectManager::callbackConnectRequest() No ALT CR - Good";
std::cerr << std::endl;
}
callbackConnect(srcId, proxyId, destId, mode, point, cbtype, errcode);
return;
@ -2233,7 +2262,8 @@ int bdConnectManager::recvedConnectionAck(bdId *id, bdId *srcConnAddr, bdId *des
// Slightly different callback, use ConnAddr for start message!
// Also callback to ConnectionRequest first.
// ACTUALLY we are END, so shouldn't (AT This Point do this).
callbackConnect(&(conn->mSrcConnAddr),&(conn->mProxyId),&(conn->mDestId),
// MUST callback via ConnectRequest - to prevent duplicate REQUESTS.
callbackConnectRequest(&(conn->mSrcConnAddr),&(conn->mProxyId),&(conn->mDestId),
conn->mMode, conn->mPoint, BITDHT_CONNECT_CB_START,
BITDHT_CONNECT_ERROR_NONE);

2
libbitdht/src/bitdht/bdconnection.h
View File

@ -42,7 +42,7 @@ class bdNodePublisher;
#define BITDHT_CONNREQUEST_EXTCONNECT 4
#define BITDHT_CONNREQUEST_DONE 5
#define BITDHT_CONNREQUEST_TIMEOUT_CONNECT 30
#define BITDHT_CONNREQUEST_TIMEOUT_CONNECT 120 // MAKE THIS LARGE - SHOULD NEVER HAPPEN.
#define BITDHT_CONNREQUEST_TIMEOUT_INPROGRESS 30
#define BITDHT_CONNREQUEST_MAX_AGE 60

2
libbitdht/src/bitdht/bdiface.h
View File

@ -317,7 +317,7 @@ virtual void removeFindNode(bdNodeId *id) = 0;
virtual void findDhtValue(bdNodeId *id, std::string key, uint32_t mode) = 0;
/***** Connections Requests *****/
virtual void ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start) = 0;
virtual bool ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start) = 0;
virtual void ConnectionAuth(bdId *srcId, bdId *proxyId, bdId *destId, uint32_t mode, uint32_t loc, uint32_t answer) = 0;
virtual void ConnectionOptions(uint32_t allowedModes, uint32_t flags) = 0;

4
libbitdht/src/bitdht/bdmanager.cc
View File

@ -1255,12 +1255,12 @@ int bdDebugCallback::dhtValueCallback(const bdNodeId *id, std::string key, uint3
void bdNodeManager::ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start)
bool bdNodeManager::ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start)
{
std::cerr << "bdNodeManager::ConnectionRequest()";
std::cerr << std::endl;
mConnMgr->requestConnection(laddr, target, mode, start);
return mConnMgr->requestConnection(laddr, target, mode, start);
}
void bdNodeManager::ConnectionAuth(bdId *srcId, bdId *proxyId, bdId *destId, uint32_t mode, uint32_t loc, uint32_t answer)

2
libbitdht/src/bitdht/bdmanager.h
View File

@ -121,7 +121,7 @@ virtual int getDhtQueries(std::map<bdNodeId, bdQueryStatus> &queries);
virtual int getDhtQueryStatus(const bdNodeId *id, bdQuerySummary &query);
/***** Connection Interface ****/
virtual void ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start);
virtual bool ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start);
virtual void ConnectionAuth(bdId *srcId, bdId *proxyId, bdId *destId,
uint32_t mode, uint32_t loc, uint32_t answer);
virtual void ConnectionOptions(uint32_t allowedModes, uint32_t flags);

4
libbitdht/src/udp/udpbitdht.cc
View File

@ -125,11 +125,11 @@ void UdpBitDht::removeCallback(BitDhtCallback *cb)
mBitDhtManager->removeCallback(cb);
}
void UdpBitDht::ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start)
bool UdpBitDht::ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start)
{
bdStackMutex stack(dhtMtx); /********** MUTEX LOCKED *************/
mBitDhtManager->ConnectionRequest(laddr, target, mode, start);
return mBitDhtManager->ConnectionRequest(laddr, target, mode, start);
}

2
libbitdht/src/udp/udpbitdht.h
View File

@ -68,7 +68,7 @@ virtual void addCallback(BitDhtCallback *cb);
virtual void removeCallback(BitDhtCallback *cb);
/***** Connections Requests *****/
virtual void ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start);
virtual bool ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start);
virtual void ConnectionAuth(bdId *srcId, bdId *proxyId, bdId *destId, uint32_t mode, uint32_t loc, uint32_t answer);
virtual void ConnectionOptions(uint32_t allowedModes, uint32_t flags);