/// <summary> int RTMPSockBuf_Fill(RTMPSockBuf *sb)</summary>
public static int RTMPSockBuf_Fill(RTMPSockBuf sb)
{
const string __FUNCTION__ = "RTMPSockBuf_Fill";
int nBytes;
if (sb.sb_size == 0)
{
sb.sb_start = 0; // = sb.sb_buf;
}
while (true)
{
// nBytes = sizeof (sb.sb_buf) - 1 - sb.sb_size - (sb.sb_start - sb.sb_buf);
nBytes = RTMP.RTMP_BUFFER_CACHE_SIZE - 1 - sb.sb_size - sb.sb_start;
#if CRYPTO_SSL // defined(CRYPTO) && !defined(NO_SSL)
if (sb.sb_ssl)
{
nBytes = TLS_read(sb.sb_ssl, sb.sb_start + sb.sb_size, nBytes);
}
else
#endif
{
// nBytes = recv(sb.sb_socket, sb.sb_start + sb.sb_size, nBytes, 0);
nBytes = sb.sb_socket.Receive(sb.sb_buf, sb.sb_start + sb.sb_size, nBytes, SocketFlags.None);
}
if (nBytes != -1)
{
sb.sb_size += nBytes;
}
else
{
int sockerr = 0; // TODO: GetSockError();
const int EINTR = 2;
const int EWOULDBLOCK = 3;
const int EAGAIN = 4;
Log.RTMP_Log(Log.RTMP_LogLevel.RTMP_LOGDEBUG, "{0}, recv returned {1}. GetSockError(): {2} ({3})", __FUNCTION__, nBytes, sockerr, string.Empty); // strerror(sockerr)
if (sockerr == EINTR && !RTMP.RTMP_ctrlC)
{
continue;
}
if (sockerr == EWOULDBLOCK || sockerr == EAGAIN)
{
sb.sb_timedout = true;
nBytes = 0;
}
}
break;
}
return(nBytes);
}
// int RTMPSockBuf_Close(RTMPSockBuf *sb)
public static int RTMPSockBuf_Close(RTMPSockBuf sb)
{
#if CRYPTO_SSL
if (sb.sb_ssl)
{
TLS_shutdown(sb.sb_ssl);
TLS_close(sb.sb_ssl);
sb.sb_ssl = NULL;
}
#endif
if (sb.sb_socket != null)
{
// return closesocket(sb.sb_socket);
sb.sb_socket.Close();
return(0);
}
return(0);
}
/// <summary> int RTMPSockBuf_Send(RTMPSockBuf *sb, const char *buf, int len) </summary>
public static int RTMPSockBuf_Send(RTMPSockBuf sb, byte[] buf, int len)
{
int rc;
#if _DEBUG
fwrite(buf, 1, len, netstackdump);
#endif
#if CRYPTO_SSL // defined(CRYPTO) && !defined(NO_SSL)
if (sb.sb_ssl)
{
rc = TLS_write(sb.sb_ssl, buf, len);
}
else
#endif
{
// rc = send(sb.sb_socket, buf, len, 0);
rc = sb.sb_socket.Send(buf, 0, len, SocketFlags.None);
}
return(rc);
}