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Implement detection of local IPv6 addresses

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This commit is contained in:
Cameron Gutman
2022-11-02 20:35:41 -05:00
parent 371906445e
commit 411998d4e3
4 changed files with 47 additions and 23 deletions
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24
app/streaming/session.cpp
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@@ -1227,17 +1227,27 @@ bool Session::startConnectionAsync()
m_Preferences->packetSize);
}
else {
// isReachableOverVpn() does network I/O, so we only attempt to check
// VPN reachability if we've already contacted the PC successfully
if (m_Computer->isReachableOverVpn()) {
// It looks like our route to this PC is over a VPN.
// Use 1392 byte video packets by default
m_StreamConfig.packetSize = 1392;
// getActiveAddressReachability() does network I/O, so we only attempt to check
// reachability if we've already contacted the PC successfully.
switch (m_Computer->getActiveAddressReachability()) {
case NvComputer::RI_LAN:
// This address is on-link, so treat it as a local address
// even if it's not in RFC 1918 space or it's an IPv6 address.
m_StreamConfig.streamingRemotely = STREAM_CFG_LOCAL;
break;
case NvComputer::RI_VPN:
// It looks like our route to this PC is over a VPN, so cap at 1024 bytes.
// Treat it as remote even if the target address is in RFC 1918 address space.
m_StreamConfig.streamingRemotely = STREAM_CFG_REMOTE;
m_StreamConfig.packetSize = 1024;
}
else {
break;
default:
// If we don't have reachability info, let moonlight-common-c decide.
m_StreamConfig.streamingRemotely = STREAM_CFG_AUTO;
m_StreamConfig.packetSize = 1392;
break;
}
}