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respect the DTLS MTU for domain server list sending

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This commit is contained in:
Stephen Birarda 2014-04-07 10:48:58 -07:00
parent 69504b0a9d
commit a6641aa95b
1 changed files with 4 additions and 2 deletions
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6
domain-server/src/DomainServer.cpp
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@ -37,7 +37,8 @@ DomainServer::DomainServer(int argc, char* argv[]) :
_isUsingDTLS(false),
_x509Credentials(NULL),
_dhParams(NULL),
_priorityCache(NULL)
_priorityCache(NULL),
_dtlsSessions()
{
gnutls_global_init();
@ -500,6 +501,7 @@ void DomainServer::sendDomainListToNode(const SharedNodePointer& node, const Hif
if (nodeInterestList.size() > 0) {
DTLSServerSession* dtlsSession = _isUsingDTLS ? _dtlsSessions[senderSockAddr] : NULL;
unsigned int dataMTU = dtlsSession ? gnutls_dtls_get_data_mtu(*dtlsSession->getGnuTLSSession()) : MAX_PACKET_SIZE;
// if the node has any interest types, send back those nodes as well
foreach (const SharedNodePointer& otherNode, nodeList->getNodeHash()) {
@ -530,7 +532,7 @@ void DomainServer::sendDomainListToNode(const SharedNodePointer& node, const Hif
nodeDataStream << secretUUID;
if (broadcastPacket.size() + nodeByteArray.size() > MAX_PACKET_SIZE) {
if (broadcastPacket.size() + nodeByteArray.size() > dataMTU) {
// we need to break here and start a new packet
// so send the current one