// process input data
int receiveData(SSL& ssl, Data& data, bool peek)
{
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_READ))
ssl.SetError(no_error);
ssl.verfiyHandShakeComplete();
if (ssl.GetError()) return -1;
if (!ssl.HasData())
processReply(ssl);
if (peek)
ssl.PeekData(data);
else
ssl.fillData(data);
ssl.useLog().ShowData(data.get_length());
if (ssl.GetError()) return -1;
if (data.get_length() == 0 && ssl.getSocket().WouldBlock()) {
ssl.SetError(YasslError(SSL_ERROR_WANT_READ));
return SSL_WOULD_BLOCK;
}
return data.get_length();
}
// send data
int sendData(SSL& ssl, const void* buffer, int sz)
{
int sent = 0;
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_READ))
ssl.SetError(no_error);
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_WRITE)) {
ssl.SetError(no_error);
ssl.SendWriteBuffered();
if (!ssl.GetError()) {
// advance sent to prvevious sent + plain size just sent
sent = ssl.useBuffers().prevSent + ssl.useBuffers().plainSz;
}
}
ssl.verfiyHandShakeComplete();
if (ssl.GetError()) return -1;
for (;;) {
int len = min(sz - sent, MAX_RECORD_SIZE);
output_buffer out;
input_buffer tmp;
Data data;
if (sent == sz) break;
if (ssl.CompressionOn()) {
if (Compress(static_cast<const opaque*>(buffer) + sent, len,
tmp) == -1) {
ssl.SetError(compress_error);
return -1;
}
data.SetData(tmp.get_size(), tmp.get_buffer());
}
else
data.SetData(len, static_cast<const opaque*>(buffer) + sent);
buildMessage(ssl, out, data);
ssl.Send(out.get_buffer(), out.get_size());
if (ssl.GetError()) {
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_WRITE)) {
ssl.useBuffers().plainSz = len;
ssl.useBuffers().prevSent = sent;
}
return -1;
}
sent += len;
}
ssl.useLog().ShowData(sent, true);
return sent;
}