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This commit is contained in:
kervala 2016-04-02 11:34:39 +02:00
parent e2c4def76c
commit e29d08861d
3 changed files with 61 additions and 17 deletions
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9
code/nel/include/nel/net/inet_address.h
View file

@ -32,6 +32,12 @@ struct in6_addr;
#ifdef NL_OS_WINDOWS
// automatically add the win socket library if you use nel network part
#pragma comment(lib, "ws2_32.lib")
// it seems that the default loop back address is not defined for ipv6
#ifndef IN6ADDR_LOOPBACK_INIT
#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
#endif
#endif
namespace NLMISC
@ -137,6 +143,9 @@ public:
/// Returns true if this CInetAddress is 127.0.0.1
bool is127001 () const;
/// Returns true if this CInetAddress is a loop back address
bool CInetAddress::isloopbackIPAddress () const;
/// Creates a CInetAddress object with local host address, port=0
static CInetAddress localHost();

40
code/nel/src/net/inet_address.cpp
View file

@ -700,6 +700,13 @@ std::vector<CInetAddress> CInetAddress::localAddresses()
throw ESocket( "Unable to get local hostname" );
}
// for loopback ipv4
struct in_addr *psin_addrIPv4 = NULL;
// for loopback ipv6
struct in6_addr *psin_addrIPv6 = NULL;
// 2. Get address list
vector<CInetAddress> vect;
@ -723,16 +730,27 @@ std::vector<CInetAddress> CInetAddress::localAddresses()
while (p != NULL)
{
// check address family
if (p->ai_family == AF_INET)
{
// ipv4
if (p->ai_family == AF_INET){ // ipv4
// loopback ipv4
if(!psin_addrIPv4){ // add loopback address only once
struct in_addr *psin_addrIPv4 = new in_addr;
psin_addrIPv4->s_addr = htonl(INADDR_LOOPBACK);
vect.push_back(CInetAddress(psin_addrIPv4, localhost));
}
struct sockaddr_in *ipv4 = (struct sockaddr_in *)p->ai_addr;
vect.push_back( CInetAddress( &ipv4->sin_addr, localhost ) );
}
else if (p->ai_family == AF_INET6)
{
// ipv6
else if (p->ai_family == AF_INET6){ // ipv6
// loopback ipv6
if(!psin_addrIPv6){ // add loopback address only once
struct in6_addr aLoopback6 = IN6ADDR_LOOPBACK_INIT;
psin_addrIPv6 = &aLoopback6;
vect.push_back(CInetAddress(psin_addrIPv6, localhost));
}
struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)p->ai_addr;
vect.push_back( CInetAddress( &ipv6->sin6_addr, localhost ) );
@ -758,6 +776,16 @@ bool CInetAddress::is127001 () const
return (internalIPAddress () == htonl(0x7F000001));
}
bool CInetAddress::isloopbackIPAddress () const
{
const char *sIPAddress = ipAddress().c_str();
return (strcmp(sIPAddress, "::") == 0) ||
(strcmp(sIPAddress, "::1") == 0) ||
(strcmp(sIPAddress, "127.0.0.1") == 0) ||
(strcmp(sIPAddress, "0:0:0:0:0:0:0:1") == 0);
}
std::string vectorCInetAddressToString(const std::vector<CInetAddress> &addrs)
{

29
code/nel/src/net/unified_network.cpp
View file

@ -828,17 +828,16 @@ void CUnifiedNetwork::addService(const string &name, const vector<CInetAddress>
for (uint i = 0; i < addr.size(); i++)
{
// first we have to look if we have a network that can established the connection
uint j = 0;
// it s 127.0.0.1, it s ok
if (!addr[i].is127001 ())
{
if (!addr[i].isloopbackIPAddress ()){ // it 's loopback ip address, it s ok
for (j = 0; j < laddr.size (); j++)
{
if (laddr[j].internalNetAddress () == addr[i].internalNetAddress ())
{
// it's ok, we can try
break;
break; // it's ok, we can try
}
}
@ -1272,8 +1271,7 @@ uint8 CUnifiedNetwork::findConnectionId (TServiceId sid, uint8 nid)
uint8 connectionId = _IdCnx[sid.get()].DefaultNetwork;
if (nid == 0xFF)
{
// it s often happen because they didn't set a good network configuration, so it s in debug to disable it easily
{ // default network
//nldebug ("HNETL5: nid %hu, will use the default connection %hu", (uint16)nid, (uint16)connectionId);
}
else if (nid >= _IdCnx[sid.get()].NetworkConnectionAssociations.size())
@ -1294,8 +1292,9 @@ uint8 CUnifiedNetwork::findConnectionId (TServiceId sid, uint8 nid)
if (connectionId >= _IdCnx[sid.get()].Connections.size() || !_IdCnx[sid.get()].Connections[connectionId].valid() || !_IdCnx[sid.get()].Connections[connectionId].CbNetBase->connected())
{
// there's a problem with the selected connectionID, so try to find a valid one
nlwarning ("HNETL5: Can't find selected connection id %hu to send message to %s because connection is not valid or connected, find a valid connection id", (uint16)connectionId, _IdCnx[sid.get()].ServiceName.c_str ());
if(nid != 0xFF) // not a default network. There's a problem with the selected connectionID, so try to find a valid one
nlwarning ("HNETL5: Can't find selected connection id %hu to send message to %s because connection is not valid or connected, find a valid connection id", (uint16)connectionId, _IdCnx[sid.get()].ServiceName.c_str ());
for (connectionId = 0; connectionId < _IdCnx[sid.get()].Connections.size(); connectionId++)
{
@ -1303,6 +1302,14 @@ uint8 CUnifiedNetwork::findConnectionId (TServiceId sid, uint8 nid)
{
// we found one at last, use this one
//nldebug ("HNETL5: Ok, we found a valid connectionid, use %hu", (uint16)connectionId);
if(nid < _IdCnx[sid.get()].NetworkConnectionAssociations.size()){
_IdCnx[sid.get()].NetworkConnectionAssociations[nid] = connectionId; // we set the preferred networkConnectionAssociation
} else {
if(nid == 0xFF){
_IdCnx[sid.get()].DefaultNetwork = connectionId;
}
}
nlwarning ("HNETL5: selected connection id %hu from network %hu to send message to %s", (uint16)connectionId, (uint16)nid, _IdCnx[sid.get()].ServiceName.c_str ());
break;
}
}
@ -1782,7 +1789,7 @@ bool CUnifiedNetwork::isServiceLocal (TServiceId sid)
{
for (uint j = 0; j < _IdCnx[sid.get()].ExtAddress.size(); j++)
{
if (_IdCnx[sid.get()].ExtAddress[j].is127001 ())
if (_IdCnx[sid.get()].ExtAddress[j].isloopbackIPAddress ())
return true;
if (_IdCnx[sid.get()].ExtAddress[j].internalIPAddress () == laddr[i].internalIPAddress ())