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clean obsolete SSU data

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orignal 2015-02-08 08:50:05 -05:00
parent a80e4ef0ea
commit e5fdee272b
4 changed files with 98 additions and 17 deletions
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16
SSUData.h
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@ -26,6 +26,9 @@ namespace transport
const size_t SSU_V6_MAX_PACKET_SIZE = SSU_MTU_V6 - IPV6_HEADER_SIZE - UDP_HEADER_SIZE; // 1424
const int RESEND_INTERVAL = 3; // in seconds
const int MAX_NUM_RESENDS = 5;
const int DECAY_INTERVAL = 20; // in seconds
const int MAX_NUM_RECEIVED_MESSAGES = 1000; // how many msgID we store for duplicates check
const int INCOMPLETE_MESSAGES_CLEANUP_TIMEOUT = 30; // in seconds
// data flags
const uint8_t DATA_FLAG_EXTENDED_DATA_INCLUDED = 0x02;
const uint8_t DATA_FLAG_WANT_REPLY = 0x04;
@ -58,9 +61,10 @@ namespace transport
{
I2NPMessage * msg;
int nextFragmentNum;
uint32_t lastFragmentInsertTime; // in seconds
std::set<std::unique_ptr<Fragment>, FragmentCmp> savedFragments;
IncompleteMessage (I2NPMessage * m): msg (m), nextFragmentNum (0) {};
IncompleteMessage (I2NPMessage * m): msg (m), nextFragmentNum (0), lastFragmentInsertTime (0) {};
~IncompleteMessage () { if (msg) DeleteI2NPMessage (msg); };
};
@ -78,6 +82,8 @@ namespace transport
SSUData (SSUSession& session);
~SSUData ();
void Start ();
void Stop ();
void ProcessMessage (uint8_t * buf, size_t len);
@ -95,6 +101,12 @@ namespace transport
void ScheduleResend ();
void HandleResendTimer (const boost::system::error_code& ecode);
void ScheduleDecay ();
void HandleDecayTimer (const boost::system::error_code& ecode);
void ScheduleIncompleteMessagesCleanup ();
void HandleIncompleteMessagesCleanupTimer (const boost::system::error_code& ecode);
void AdjustPacketSize (const i2p::data::RouterInfo& remoteRouter);
@ -104,7 +116,7 @@ namespace transport
std::map<uint32_t, IncompleteMessage *> m_IncomleteMessages;
std::map<uint32_t, SentMessage *> m_SentMessages;
std::set<uint32_t> m_ReceivedMessages;
boost::asio::deadline_timer m_ResendTimer;
boost::asio::deadline_timer m_ResendTimer, m_DecayTimer, m_IncompleteMessagesCleanupTimer;
int m_MaxPacketSize, m_PacketSize;
i2p::I2NPMessagesHandler m_Handler;
};