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fixed race condition

pull/97/head
orignal 10 years ago
parent
commit
5abd4021c4
  1. 3
      Garlic.cpp
  2. 1
      Garlic.h

3
Garlic.cpp

@ -290,6 +290,7 @@ namespace garlic @@ -290,6 +290,7 @@ namespace garlic
SessionDecryption * decryption = new SessionDecryption;
decryption->SetKey (key);
decryption->SetTagCount (1);
std::unique_lock<std::mutex> l(m_SessionsTagsMutex);
m_SessionTags[SessionTag(tag)] = decryption;
}
@ -343,6 +344,7 @@ namespace garlic @@ -343,6 +344,7 @@ namespace garlic
it->second->UseTag ();
HandleAESBlock (buf + 32, length - 32, it->second, msg->from);
if (!it->second->GetTagCount ()) delete it->second; // all tags were used
std::unique_lock<std::mutex> l(m_SessionsTagsMutex);
m_SessionTags.erase (it); // tag might be used only once
}
else
@ -377,6 +379,7 @@ namespace garlic @@ -377,6 +379,7 @@ namespace garlic
if (tagCount > 0)
{
decryption->AddTagCount (tagCount);
std::unique_lock<std::mutex> l(m_SessionsTagsMutex);
for (int i = 0; i < tagCount; i++)
m_SessionTags[SessionTag(buf + i*32)] = decryption;
}

1
Garlic.h

@ -129,6 +129,7 @@ namespace garlic @@ -129,6 +129,7 @@ namespace garlic
std::map<uint32_t, GarlicRoutingSession *> m_CreatedSessions; // msgID -> session
// incoming session
// multiple tags refer to one decyption
std::mutex m_SessionsTagsMutex;
std::map<SessionTag, SessionDecryption *> m_SessionTags; // tag -> decryption
};

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