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Code Issues Releases Activity

check if session is terminated before receive

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This commit is contained in:
orignal 2020-10-18 14:39:58 -04:00
parent 417b5ed6cc
commit da94d40738
2 changed files with 18 additions and 9 deletions
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25
libi2pd_client/I2CP.cpp
View File

@ -226,14 +226,13 @@ namespace client
}
I2CPSession::I2CPSession (I2CPServer& owner, std::shared_ptr<proto::socket> socket):
m_Owner (owner), m_Socket (socket), m_Payload (nullptr),
m_SessionID (0xFFFF), m_MessageID (0), m_IsSendAccepted (true)
m_Owner (owner), m_Socket (socket), m_SessionID (0xFFFF),
m_MessageID (0), m_IsSendAccepted (true)
{
}
I2CPSession::~I2CPSession ()
{
delete[] m_Payload;
}
void I2CPSession::Start ()
@ -264,6 +263,11 @@ namespace client
void I2CPSession::ReceiveHeader ()
{
if (!m_Socket)
{
LogPrint (eLogError, "I2CP: Can't receive header");
return;
}
boost::asio::async_read (*m_Socket, boost::asio::buffer (m_Header, I2CP_HEADER_SIZE),
boost::asio::transfer_all (),
std::bind (&I2CPSession::HandleReceivedHeader, shared_from_this (), std::placeholders::_1, std::placeholders::_2));
@ -279,10 +283,7 @@ namespace client
if (m_PayloadLen > 0)
{
if (m_PayloadLen <= I2CP_MAX_MESSAGE_LENGTH)
{
m_Payload = new uint8_t[m_PayloadLen];
ReceivePayload ();
}
else
{
LogPrint (eLogError, "I2CP: Unexpected payload length ", m_PayloadLen);
@ -299,6 +300,11 @@ namespace client
void I2CPSession::ReceivePayload ()
{
if (!m_Socket)
{
LogPrint (eLogError, "I2CP: Can't receive payload");
return;
}
boost::asio::async_read (*m_Socket, boost::asio::buffer (m_Payload, m_PayloadLen),
boost::asio::transfer_all (),
std::bind (&I2CPSession::HandleReceivedPayload, shared_from_this (), std::placeholders::_1, std::placeholders::_2));
@ -311,8 +317,6 @@ namespace client
else
{
HandleMessage ();
delete[] m_Payload;
m_Payload = nullptr;
m_PayloadLen = 0;
ReceiveHeader (); // next message
}
@ -345,6 +349,11 @@ namespace client
void I2CPSession::SendI2CPMessage (uint8_t type, const uint8_t * payload, size_t len)
{
if (len > I2CP_MAX_MESSAGE_LENGTH)
{
LogPrint (eLogError, "I2CP: Message to send is too long ", len);
return;
}
auto socket = m_Socket;
if (socket)
{

2
libi2pd_client/I2CP.h
View File

@ -179,7 +179,7 @@ namespace client
I2CPServer& m_Owner;
std::shared_ptr<proto::socket> m_Socket;
uint8_t m_Header[I2CP_HEADER_SIZE], * m_Payload;
uint8_t m_Header[I2CP_HEADER_SIZE], m_Payload[I2CP_MAX_MESSAGE_LENGTH];
size_t m_PayloadLen;
std::shared_ptr<I2CPDestination> m_Destination;