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send options in Datagram3

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orignal
2025-09-30 19:01:12 -04:00
parent dc9cdf941d
commit cd841f7219
4 changed files with 35 additions and 9 deletions
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libi2pd/Datagram.cpp
+14 -4
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@@ -56,7 +56,8 @@ namespace datagram
return ObtainSession(ident);
}
void DatagramDestination::SendDatagram (std::shared_ptr<DatagramSession> session, const uint8_t * payload, size_t len, uint16_t fromPort, uint16_t toPort)
void DatagramDestination::SendDatagram (std::shared_ptr<DatagramSession> session, const uint8_t * payload, size_t len,
uint16_t fromPort, uint16_t toPort, const i2p::util::Mapping * options)
{
if (session)
{
@@ -65,9 +66,18 @@ namespace datagram
{
case eDatagramV3:
{
constexpr uint8_t flags[] = { 0x00, 0x03 }; // datagram3, no options
msg = CreateDataMessage ({{m_Owner->GetIdentity ()->GetIdentHash (), 32},
{flags, 2}, {payload, len}}, fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM3, false); // datagram3
uint8_t flags[] = { 0x00, 0x03 }; // datagram3, no options
if (options)
{
uint8_t optionsBuf[256]; // TODO: evaluate actual size
size_t optionsLen = options->ToBuffer (optionsBuf, 256);
if (optionsLen) flags[1] |= DATAGRAM3_FLAG_OPTIONS;
msg = CreateDataMessage ({{m_Owner->GetIdentity ()->GetIdentHash (), 32}, {flags, 2},
{optionsBuf, optionsLen}, {payload, len}}, fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM3, false); // datagram3
}
else
msg = CreateDataMessage ({{m_Owner->GetIdentity ()->GetIdentHash (), 32},
{flags, 2}, {payload, len}}, fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM3, false); // datagram3
break;
}
case eDatagramV1: