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Code Issues Releases Activity

reduce memory usage

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orignal 2015-03-11 13:24:13 -04:00
parent ccb4e967cf
commit 1d7fd8ac96
2 changed files with 20 additions and 4 deletions
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2
SSUData.cpp
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@ -176,7 +176,7 @@ namespace transport
// expected fragment
if (msg->len + fragmentSize > msg->maxLen)
{
LogPrint (eLogInfo, "Short I2NP message of size ", msg->maxLen, " is not enough");
LogPrint (eLogInfo, "SSU I2NP message size ", msg->maxLen, " is not enough");
I2NPMessage * newMsg = NewI2NPMessage ();
*newMsg = *msg;
DeleteI2NPMessage (msg);

22
TunnelEndpoint.cpp
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@ -97,7 +97,7 @@ namespace tunnel
if (fragment + size < decrypted + TUNNEL_DATA_ENCRYPTED_SIZE)
{
// this is not last message. we have to copy it
m.data = NewI2NPMessage ();
m.data = NewI2NPShortMessage ();
m.data->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header
m.data->len += TUNNEL_GATEWAY_HEADER_SIZE;
*(m.data) = *msg;
@ -156,8 +156,16 @@ namespace tunnel
auto& msg = it->second;
if (m.nextFragmentNum == msg.nextFragmentNum)
{
if (msg.data->len + size < I2NP_MAX_MESSAGE_SIZE) // check if messega is not too long
if (msg.data->len + size < I2NP_MAX_MESSAGE_SIZE) // check if message is not too long
{
if (msg.data->len + size > msg.data->maxLen)
{
LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough");
I2NPMessage * newMsg = NewI2NPMessage ();
*newMsg = *(msg.data);
DeleteI2NPMessage (msg.data);
msg.data = newMsg;
}
memcpy (msg.data->buf + msg.data->len, fragment, size); // concatenate fragment
msg.data->len += size;
if (isLastFragment)
@ -211,6 +219,14 @@ namespace tunnel
{
LogPrint (eLogInfo, "Out-of-sequence fragment ", (int)it->second.fragmentNum, " of message ", msgID, " found");
auto size = it->second.data->GetLength ();
if (msg.data->len + size > msg.data->maxLen)
{
LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough");
I2NPMessage * newMsg = NewI2NPMessage ();
*newMsg = *(msg.data);
DeleteI2NPMessage (msg.data);
msg.data = newMsg;
}
memcpy (msg.data->buf + msg.data->len, it->second.data->GetBuffer (), size); // concatenate out-of-sync fragment
msg.data->len += size;
if (it->second.isLastFragment)
@ -250,7 +266,7 @@ namespace tunnel
if (typeID == eI2NPDatabaseStore || typeID == eI2NPDatabaseSearchReply )
{
// catch RI or reply with new list of routers
auto ds = NewI2NPMessage ();
auto ds = NewI2NPShortMessage ();
*ds = *(msg.data);
i2p::data::netdb.PostI2NPMsg (ds);
}