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// BufferedSslContext.cpp
// Implements the cBufferedSslContext class representing a SSL context with the SSL peer data backed by a cByteBuffer
#include "Globals.h"
#include "BufferedSslContext.h"
cBufferedSslContext::cBufferedSslContext(size_t a_BufferSize):
m_OutgoingData(a_BufferSize),
m_IncomingData(a_BufferSize)
{
}
int cBufferedSslContext::ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes)
{
// Called when PolarSSL wants to read encrypted data from the SSL peer
// Read the data from the buffer inside this object, where the owner has stored them using WriteIncoming():
size_t NumBytes = std::min(a_NumBytes, m_IncomingData.GetReadableSpace());
if (NumBytes == 0)
{
return POLARSSL_ERR_NET_WANT_READ;
}
if (!m_IncomingData.ReadBuf(a_Buffer, NumBytes))
{
m_IncomingData.ResetRead();
return POLARSSL_ERR_NET_RECV_FAILED;
}
m_IncomingData.CommitRead();
return (int)NumBytes;
}
int cBufferedSslContext::SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes)
{
// Called when PolarSSL wants to write encrypted data to the SSL peer
// Write the data into the buffer inside this object, where the owner can later read them using ReadOutgoing():
if (!m_OutgoingData.CanWriteBytes(a_NumBytes))
{
return POLARSSL_ERR_NET_WANT_WRITE;
}
if (!m_OutgoingData.Write((const char *)a_Buffer, a_NumBytes))
{
return POLARSSL_ERR_NET_SEND_FAILED;
}
return (int)a_NumBytes;
}
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