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fixed getting MTU on windows, add address to log messages with MTU

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Signed-off-by: R4SAS <r4sas@i2pmail.org>
This commit is contained in:
R4SAS 2022-07-27 13:24:07 +03:00
parent 4b1f5c9c9b
commit fdeb884fe5
No known key found for this signature in database
GPG Key ID: 66F6C87B98EBCFE2
2 changed files with 58 additions and 52 deletions
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54
libi2pd/RouterContext.cpp
View File

@ -230,8 +230,8 @@ namespace i2p
auto transports = m_RouterInfo.GetCompatibleTransports (false);
return (transports & (i2p::data::RouterInfo::eSSU2V4 | i2p::data::RouterInfo::eSSU2V6)) &&
!(transports & (i2p::data::RouterInfo::eSSUV4 | i2p::data::RouterInfo::eSSUV6));
}
}
void RouterContext::SetStatus (RouterStatus status)
{
if (status != m_Status)
@ -256,8 +256,8 @@ namespace i2p
{
if (IsSSU2Only ())
SetStatus (status);
}
}
void RouterContext::SetStatusV6 (RouterStatus status)
{
if (status != m_StatusV6)
@ -281,8 +281,8 @@ namespace i2p
{
if (IsSSU2Only ())
SetStatusV6 (status);
}
}
void RouterContext::UpdatePort (int port)
{
bool updated = false;
@ -472,14 +472,14 @@ namespace i2p
UpdateRouterInfo ();
return ret;
}
void RouterContext::RemoveSSU2Introducer (const i2p::data::IdentHash& h, bool v4)
{
if (!IsSSU2Only ()) return;
if (m_RouterInfo.RemoveSSU2Introducer (h, v4))
UpdateRouterInfo ();
}
}
void RouterContext::SetFloodfill (bool floodfill)
{
m_IsFloodfill = floodfill;
@ -598,8 +598,8 @@ namespace i2p
{
if (IsSSU2Only ())
SetUnreachable (v4, v6);
}
}
void RouterContext::SetUnreachable (bool v4, bool v6)
{
if (v4 || (v6 && !SupportsV4 ()))
@ -649,7 +649,7 @@ namespace i2p
// delete previous introducers
bool isSSU2Published = IsSSU2Only (); // TODO
if (isSSU2Published)
i2p::config::GetOption ("ssu2.published", isSSU2Published);
i2p::config::GetOption ("ssu2.published", isSSU2Published);
auto& addresses = m_RouterInfo.GetAddresses ();
for (auto& addr : addresses)
if (addr->ssu && (!addr->IsSSU2 () || isSSU2Published) &&
@ -880,34 +880,34 @@ namespace i2p
if (addr->ssu && ((v4 && addr->IsV4 ()) || (!v4 && addr->IsV6 ())))
{
if (!addr->IsSSU2 ()) // SSU1
{
{
// round to multiple of 16
if (v4)
{
{
if (mtu > 1484) mtu = 1484;
else
{
{
mtu -= 12;
mtu = (mtu >> 4) << 4;
mtu += 12;
}
}
else
}
}
else
{
if (mtu > 1488) mtu = 1488;
else
mtu = (mtu >> 4) << 4;
}
}
}
}
if (mtu)
{
{
addr->ssu->mtu = mtu;
LogPrint (eLogDebug, "Router: MTU for ", v4 ? "ipv4" : "ipv6", " address is set to ", mtu);
}
}
}
}
LogPrint (eLogDebug, "Router: MTU for ", v4 ? "ipv4" : "ipv6", " address ", addr->host.to_string(), " is set to ", mtu);
}
}
}
}
void RouterContext::UpdateNTCP2V6Address (const boost::asio::ip::address& host)
{
bool isYgg = i2p::util::net::IsYggdrasilAddress (host);

56
libi2pd/util.cpp
View File

@ -173,7 +173,7 @@ namespace net
if(dwRetVal != NO_ERROR)
{
LogPrint(eLogError, "NetIface: GetMTU(): Enclosed GetAdaptersAddresses() call has failed");
LogPrint(eLogError, "NetIface: GetMTU: Enclosed GetAdaptersAddresses() call has failed");
FREE(pAddresses);
return fallback;
}
@ -185,7 +185,7 @@ namespace net
pUnicast = pCurrAddresses->FirstUnicastAddress;
if(pUnicast == nullptr)
LogPrint(eLogError, "NetIface: GetMTU(): Not a unicast IPv4 address, this is not supported");
LogPrint(eLogError, "NetIface: GetMTU: Not a unicast IPv4 address, this is not supported");
for(int i = 0; pUnicast != nullptr; ++i)
{
@ -193,10 +193,13 @@ namespace net
sockaddr_in* localInterfaceAddress = (sockaddr_in*) lpAddr;
if(localInterfaceAddress->sin_addr.S_un.S_addr == inputAddress.sin_addr.S_un.S_addr)
{
auto result = pAddresses->Mtu;
char addr[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &(((struct sockaddr_in *)localInterfaceAddress)->sin_addr), addr, INET_ADDRSTRLEN);
auto result = pCurrAddresses->Mtu;
FREE(pAddresses);
pAddresses = nullptr;
LogPrint(eLogInfo, "NetIface: GetMTU(): Using ", result, " bytes for IPv4");
LogPrint(eLogInfo, "NetIface: GetMTU: Using ", result, " bytes for IPv4 address ", addr);
return result;
}
pUnicast = pUnicast->Next;
@ -204,7 +207,7 @@ namespace net
pCurrAddresses = pCurrAddresses->Next;
}
LogPrint(eLogError, "NetIface: GetMTU(): No usable unicast IPv4 addresses found");
LogPrint(eLogError, "NetIface: GetMTU: No usable unicast IPv4 addresses found");
FREE(pAddresses);
return fallback;
}
@ -216,7 +219,7 @@ namespace net
PIP_ADAPTER_ADDRESSES pCurrAddresses = nullptr;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr;
if(GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen)
if (GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen)
== ERROR_BUFFER_OVERFLOW)
{
FREE(pAddresses);
@ -227,23 +230,23 @@ namespace net
AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen
);
if(dwRetVal != NO_ERROR)
if (dwRetVal != NO_ERROR)
{
LogPrint(eLogError, "NetIface: GetMTU(): Enclosed GetAdaptersAddresses() call has failed");
LogPrint(eLogError, "NetIface: GetMTU: Enclosed GetAdaptersAddresses() call has failed");
FREE(pAddresses);
return fallback;
}
bool found_address = false;
pCurrAddresses = pAddresses;
while(pCurrAddresses)
while (pCurrAddresses)
{
PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress;
pUnicast = pCurrAddresses->FirstUnicastAddress;
if(pUnicast == nullptr)
LogPrint(eLogError, "NetIface: GetMTU(): Not a unicast IPv6 address, this is not supported");
if (pUnicast == nullptr)
LogPrint(eLogError, "NetIface: GetMTU: Not a unicast IPv6 address, this is not supported");
for(int i = 0; pUnicast != nullptr; ++i)
for (int i = 0; pUnicast != nullptr; ++i)
{
LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr;
sockaddr_in6 *localInterfaceAddress = (sockaddr_in6*) lpAddr;
@ -258,10 +261,13 @@ namespace net
if (found_address)
{
auto result = pAddresses->Mtu;
char addr[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, &(((struct sockaddr_in6 *)localInterfaceAddress)->sin6_addr), addr, INET6_ADDRSTRLEN);
auto result = pCurrAddresses->Mtu;
FREE(pAddresses);
pAddresses = nullptr;
LogPrint(eLogInfo, "NetIface: GetMTU(): Using ", result, " bytes for IPv6");
LogPrint(eLogInfo, "NetIface: GetMTU: Using ", result, " bytes for IPv6 address ", addr);
return result;
}
pUnicast = pUnicast->Next;
@ -270,7 +276,7 @@ namespace net
pCurrAddresses = pCurrAddresses->Next;
}
LogPrint(eLogError, "NetIface: GetMTU(): No usable unicast IPv6 addresses found");
LogPrint(eLogError, "NetIface: GetMTU: No usable unicast IPv6 addresses found");
FREE(pAddresses);
return fallback;
}
@ -302,7 +308,7 @@ namespace net
}
else
{
LogPrint(eLogError, "NetIface: GetMTU(): Address family is not supported");
LogPrint(eLogError, "NetIface: GetMTU: Address family is not supported");
return fallback;
}
}
@ -434,20 +440,20 @@ namespace net
{
case 0x20010470:
case 0x260070ff:
// Hurricane Electric
// Hurricane Electric
return 1480;
break;
case 0x2a06a003:
case 0x2a06a003:
case 0x2a06a004:
case 0x2a06a005:
// route48
case 0x2a06a005:
// route48
return 1420;
break;
default: ;
}
break;
default: ;
}
return 1500;
}
}
static bool IsYggdrasilAddress (const uint8_t addr[16])
{
return addr[0] == 0x02 || addr[0] == 0x03;