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fixed race condition

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orignal 2014-10-06 12:50:36 -04:00
parent 0f3a68cd8e
commit 7fb93ca853
3 changed files with 29 additions and 10 deletions
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23
Tunnel.cpp
View File

@ -243,6 +243,7 @@ namespace tunnel
Tunnel * Tunnels::GetPendingTunnel (uint32_t replyMsgID)
{
std::unique_lock<std::mutex> l(m_PendingTunnelsMutex);
auto it = m_PendingTunnels.find(replyMsgID);
if (it != m_PendingTunnels.end () && it->second->GetState () == eTunnelStatePending)
{
@ -299,6 +300,11 @@ namespace tunnel
{
if (pool)
{
{
std::unique_lock<std::mutex> l(m_PendingTunnelsMutex);
for (auto it: m_PendingTunnels)
if (it.second->GetTunnelPool () == pool) it.second->SetTunnelPool (nullptr);
}
std::unique_lock<std::mutex> l(m_PoolsMutex);
m_Pools.erase (pool->GetIdentHash ());
delete pool;
@ -374,9 +380,19 @@ namespace tunnel
}
void Tunnels::ManageTunnels ()
{
ManagePendingTunnels ();
ManageInboundTunnels ();
ManageOutboundTunnels ();
ManageTransitTunnels ();
ManageTunnelPools ();
}
void Tunnels::ManagePendingTunnels ()
{
// check pending tunnel. delete failed or timeout
uint64_t ts = i2p::util::GetSecondsSinceEpoch ();
std::unique_lock<std::mutex> l(m_PendingTunnelsMutex);
for (auto it = m_PendingTunnels.begin (); it != m_PendingTunnels.end ();)
{
auto tunnel = it->second;
@ -405,12 +421,7 @@ namespace tunnel
it = m_PendingTunnels.erase (it);
}
}
ManageInboundTunnels ();
ManageOutboundTunnels ();
ManageTransitTunnels ();
ManageTunnelPools ();
}
}
void Tunnels::ManageOutboundTunnels ()
{

2
Tunnel.h
View File

@ -139,6 +139,7 @@ namespace tunnel
void ManageOutboundTunnels ();
void ManageInboundTunnels ();
void ManageTransitTunnels ();
void ManagePendingTunnels ();
void ManageTunnelPools ();
void CreateZeroHopsInboundTunnel ();
@ -147,6 +148,7 @@ namespace tunnel
bool m_IsRunning;
std::thread * m_Thread;
std::mutex m_PendingTunnelsMutex;
std::map<uint32_t, Tunnel *> m_PendingTunnels; // by replyMsgID
std::mutex m_InboundTunnelsMutex;
std::map<uint32_t, InboundTunnel *> m_InboundTunnels;

14
TunnelPool.cpp
View File

@ -17,10 +17,16 @@ namespace tunnel
TunnelPool::~TunnelPool ()
{
for (auto it: m_InboundTunnels)
it->SetTunnelPool (nullptr);
for (auto it: m_OutboundTunnels)
it->SetTunnelPool (nullptr);
{
std::unique_lock<std::mutex> l(m_InboundTunnelsMutex);
for (auto it: m_InboundTunnels)
it->SetTunnelPool (nullptr);
}
{
std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);
for (auto it: m_OutboundTunnels)
it->SetTunnelPool (nullptr);
}
}
void TunnelPool::TunnelCreated (InboundTunnel * createdTunnel)