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variable length buffer for LeaseSet

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orignal 2015-04-08 09:39:02 -04:00
parent e9edc7b205
commit 9ce9d9b7fc
2 changed files with 15 additions and 7 deletions
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13
LeaseSet.cpp
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@ -14,8 +14,9 @@ namespace i2p
namespace data
{
LeaseSet::LeaseSet (const uint8_t * buf, int len)
LeaseSet::LeaseSet (const uint8_t * buf, size_t len)
{
m_Buffer = new uint8_t[len];
memcpy (m_Buffer, buf, len);
m_BufferLen = len;
ReadFromBuffer ();
@ -27,10 +28,12 @@ namespace data
const i2p::data::LocalDestination * localDestination = pool.GetLocalDestination ();
if (!localDestination)
{
m_Buffer = nullptr;
m_BufferLen = 0;
LogPrint (eLogError, "Destination for local LeaseSet doesn't exist");
return;
}
m_Buffer = new uint8_t[localDestination->GetIdentity ().GetFullLen ()];
m_BufferLen = localDestination->GetIdentity ().ToBuffer (m_Buffer, MAX_LS_BUFFER_SIZE);
memcpy (m_Buffer + m_BufferLen, localDestination->GetEncryptionPublicKey (), 256);
m_BufferLen += 256;
@ -62,9 +65,15 @@ namespace data
ReadFromBuffer ();
}
void LeaseSet::Update (const uint8_t * buf, int len)
void LeaseSet::Update (const uint8_t * buf, size_t len)
{
m_Leases.clear ();
if (len > m_BufferLen)
{
auto oldBuffer = m_Buffer;
m_Buffer = new uint8_t[len];
delete[] oldBuffer;
}
memcpy (m_Buffer, buf, len);
m_BufferLen = len;
ReadFromBuffer ();

9
LeaseSet.h
View File

@ -36,11 +36,10 @@ namespace data
{
public:
LeaseSet (const uint8_t * buf, int len);
LeaseSet (const LeaseSet& ) = default;
LeaseSet (const uint8_t * buf, size_t len);
LeaseSet (const i2p::tunnel::TunnelPool& pool);
LeaseSet& operator=(const LeaseSet& ) = default;
void Update (const uint8_t * buf, int len);
~LeaseSet () { delete[] m_Buffer; };
void Update (const uint8_t * buf, size_t len);
const IdentityEx& GetIdentity () const { return m_Identity; };
const uint8_t * GetBuffer () const { return m_Buffer; };
@ -64,7 +63,7 @@ namespace data
std::vector<Lease> m_Leases;
IdentityEx m_Identity;
uint8_t m_EncryptionKey[256];
uint8_t m_Buffer[MAX_LS_BUFFER_SIZE];
uint8_t * m_Buffer;
size_t m_BufferLen;
};
}