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Code Issues Releases Activity

limit SSU outgoing windows

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This commit is contained in:
orignal 2016-06-26 17:03:04 -04:00
parent 6b0c05ee7c
commit 4b9e39ac64
2 changed files with 10 additions and 1 deletions
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10
SSUData.cpp
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@ -425,6 +425,7 @@ namespace transport
if (ecode != boost::asio::error::operation_aborted) if (ecode != boost::asio::error::operation_aborted)
{ {
uint32_t ts = i2p::util::GetSecondsSinceEpoch (); uint32_t ts = i2p::util::GetSecondsSinceEpoch ();
int numResent = 0;
for (auto it = m_SentMessages.begin (); it != m_SentMessages.end ();) for (auto it = m_SentMessages.begin (); it != m_SentMessages.end ();)
{ {
if (ts >= it->second->nextResendTime) if (ts >= it->second->nextResendTime)
@ -437,6 +438,7 @@ namespace transport
try try
{ {
m_Session.Send (f->buf, f->len); // resend m_Session.Send (f->buf, f->len); // resend
numResent++;
} }
catch (boost::system::system_error& ec) catch (boost::system::system_error& ec)
{ {
@ -457,7 +459,13 @@ namespace transport
else else
it++; it++;
} }
ScheduleResend (); if (numResent < MAX_OUTGOING_WINDOW_SIZE)
ScheduleResend ();
else
{
LogPrint (eLogError, "SSU: resend window exceeds max size. Session terminated");
m_Session.Close ();
}
} }
} }

1
SSUData.h
View File

@ -29,6 +29,7 @@ namespace transport
const int DECAY_INTERVAL = 20; // in seconds const int DECAY_INTERVAL = 20; // in seconds
const int INCOMPLETE_MESSAGES_CLEANUP_TIMEOUT = 30; // in seconds const int INCOMPLETE_MESSAGES_CLEANUP_TIMEOUT = 30; // in seconds
const unsigned int MAX_NUM_RECEIVED_MESSAGES = 1000; // how many msgID we store for duplicates check const unsigned int MAX_NUM_RECEIVED_MESSAGES = 1000; // how many msgID we store for duplicates check
const int MAX_OUTGOING_WINDOW_SIZE = 200; // how many unacked message we can store
// data flags // data flags
const uint8_t DATA_FLAG_EXTENDED_DATA_INCLUDED = 0x02; const uint8_t DATA_FLAG_EXTENDED_DATA_INCLUDED = 0x02;
const uint8_t DATA_FLAG_WANT_REPLY = 0x04; const uint8_t DATA_FLAG_WANT_REPLY = 0x04;