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include DeliveryStatus to Garlic

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orignal 2014-01-08 22:47:22 -05:00
parent 3aab091e9f
commit 57c97208f9
7 changed files with 93 additions and 14 deletions
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54
Garlic.cpp
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@ -4,6 +4,8 @@
#include <string>
#include "ElGamal.h"
#include "RouterContext.h"
#include "I2NPProtocol.h"
#include "Tunnel.h"
#include "Timestamp.h"
#include "Streaming.h"
#include "Garlic.h"
@ -65,8 +67,6 @@ namespace garlic
FillI2NPMessageHeader (m, eI2NPGarlic);
if (msg)
DeleteI2NPMessage (msg);
if (leaseSet)
DeleteI2NPMessage (leaseSet);
return m;
}
@ -97,17 +97,23 @@ namespace garlic
size_t GarlicRoutingSession::CreateGarlicPayload (uint8_t * payload, I2NPMessage * msg, I2NPMessage * leaseSet)
{
uint64_t ts = i2p::util::GetMillisecondsSinceEpoch () + 5000; // 5 sec
uint32_t msgID = m_Rnd.GenerateWord32 ();
size_t size = 0;
uint8_t * numCloves = payload + size;
*numCloves = 0;
size++;
if (leaseSet)
{
// clove is DeliveryStatus is LeaseSet is presented
size += CreateDeliveryStatusClove (payload + size, msgID);
(*numCloves)++;
if (leaseSet) // first clove is our leaseSet if presented
{
// clove is our leaseSet if presented
size += CreateGarlicClove (payload + size, leaseSet, false);
(*numCloves)++;
}
if (msg) // next clove message ifself if presented
if (msg) // clove message ifself if presented
{
size += CreateGarlicClove (payload + size, msg, m_Destination->IsDestination ());
(*numCloves)++;
@ -115,7 +121,7 @@ namespace garlic
memset (payload + size, 0, 3); // certificate of message
size += 3;
*(uint32_t *)(payload + size) = htobe32 (m_Rnd.GenerateWord32 ()); // MessageID
*(uint32_t *)(payload + size) = htobe32 (msgID); // MessageID
size += 4;
*(uint64_t *)(payload + size) = htobe64 (ts); // Expiration of message
size += 8;
@ -149,6 +155,42 @@ namespace garlic
size += 3;
return size;
}
size_t GarlicRoutingSession::CreateDeliveryStatusClove (uint8_t * buf, uint32_t msgID)
{
size_t size = 0;
auto tunnel = i2p::tunnel::tunnels.GetNextInboundTunnel ();
if (tunnel)
{
buf[size] = eGarlicDeliveryTypeTunnel << 5; // delivery instructions flag tunnel
size++;
*(uint32_t *)(buf + size) = htobe32 (tunnel->GetNextTunnelID ()); // tunnelID
size += 4;
memcpy (buf + size, tunnel->GetNextIdentHash (), 32); // To Hash
size += 32;
}
else
{
LogPrint ("No reply tunnels for garlic DeliveryStatus found");
buf[size] = 0;// delivery instructions flag local
size++;
}
I2NPMessage * msg = CreateDeliveryStatusMsg (msgID);
memcpy (buf + size, msg->GetBuffer (), msg->GetLength ());
size += msg->GetLength ();
DeleteI2NPMessage (msg);
uint64_t ts = i2p::util::GetMillisecondsSinceEpoch () + 5000; // 5 sec
*(uint32_t *)(buf + size) = htobe32 (m_Rnd.GenerateWord32 ()); // CloveID
size += 4;
*(uint64_t *)(buf + size) = htobe64 (ts); // Expiration of clove
size += 8;
memset (buf + size, 0, 3); // certificate of clove
size += 3;
return size;
}
GarlicRouting routing;
GarlicRouting::GarlicRouting ()