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/* -*- c++ -*- */
/*
* Copyright 2012 Hoernchen <la@tfc-server.de>
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef RTL_TCP_SOURCE_F_H
#define RTL_TCP_SOURCE_F_H
#include <osmosdr_api.h>
#include <gr_sync_block.h>
#include <gruel/thread.h>
#if defined(_WIN32)
// if not posix, assume winsock
#pragma comment(lib, "ws2_32.lib")
#define USING_WINSOCK
#include <winsock2.h>
#include <ws2tcpip.h>
#define SHUT_RDWR 2
typedef char* optval_t;
#else
#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
typedef void* optval_t;
#endif
#define ssize_t int
class rtl_tcp_source_f;
typedef boost::shared_ptr<rtl_tcp_source_f> rtl_tcp_source_f_sptr;
OSMOSDR_API rtl_tcp_source_f_sptr make_rtl_tcp_source_f (
size_t itemsize,
const char *host,
unsigned short port,
int payload_size,
bool eof,
bool wait);
class OSMOSDR_API rtl_tcp_source_f : public gr_sync_block
{
private:
size_t d_itemsize;
int d_payload_size; // maximum transmission unit (packet length)
bool d_eof; // zero-length packet is EOF
bool d_wait; // wait if data if not immediately available
int d_socket; // handle to socket
unsigned char *d_temp_buff; // hold buffer between calls
size_t d_temp_offset; // point to temp buffer location offset
float *d_LUT;
private:
rtl_tcp_source_f(size_t itemsize, const char *host,
unsigned short port, int payload_size, bool eof, bool wait);
// The friend declaration allows make_source_c to
// access the private constructor.
friend OSMOSDR_API rtl_tcp_source_f_sptr make_rtl_tcp_source_f (
size_t itemsize,
const char *host,
unsigned short port,
int payload_size,
bool eof,
bool wait);
public:
~rtl_tcp_source_f();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
void set_freq(int freq);
void set_sample_rate(int sample_rate);
void set_gain_mode(int manual);
void set_gain(int gain);
void set_freq_corr(int ppm);
};
#endif /* RTL_TCP_SOURCE_F_H */
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