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Diffstat (limited to 'gr-msdd6000/src/msdd6000.cc')
| -rw-r--r-- | gr-msdd6000/src/msdd6000.cc | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/gr-msdd6000/src/msdd6000.cc b/gr-msdd6000/src/msdd6000.cc deleted file mode 100644 index f0a13936c..000000000 --- a/gr-msdd6000/src/msdd6000.cc +++ /dev/null @@ -1,209 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2008,2009 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <msdd6000.h> - -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#ifdef HAVE_ARPA_INET_H -#include <arpa/inet.h> -#endif -#ifdef HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#ifdef HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif - -#define DEBUG(A) printf("=debug=> %s\n", A) - -static void -optimize_socket(int socket); - -/* - * Holds types that need autoconf help. They're here and not in the .h file because - * here we've got access to config.h - */ -class MSDD6000::detail { -public: - struct sockaddr_in d_sockaddr; -}; - - -MSDD6000::MSDD6000(char* addr) - : d_detail(new MSDD6000::detail()) -{ - d_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); - - optimize_socket(d_sock); - - - // set up remote sockaddr -// int s = inet_aton(addr, &d_adx); - d_detail->d_sockaddr.sin_family = AF_INET; - d_detail->d_sockaddr.sin_port = htons(10000); - int s = inet_aton(addr, &d_detail->d_sockaddr.sin_addr); - - // set up local sockaddr - struct in_addr d_myadx; - struct sockaddr_in d_mysockaddr; - short int port = 10010; - d_myadx.s_addr = INADDR_ANY; - d_mysockaddr.sin_family = AF_INET; - d_mysockaddr.sin_port = htons(port); - memcpy(&d_mysockaddr.sin_addr.s_addr, &d_myadx.s_addr, sizeof(in_addr)); - //d_sockaddr.sin_addr = INADDR_ANY; - s = bind(d_sock, (const sockaddr*) &d_mysockaddr, sizeof(d_mysockaddr)); - - // set default values - d_decim = 2; - d_ddc_gain = 2; - d_rf_attn = 0; - d_state = STATE_STOPPED; -} - -MSDD6000::~MSDD6000() -{ - // printf("MSDD6000::Destructing\n"); - close(d_sock); -} - - -static void -optimize_socket(int socket){ -#define BANDWIDTH 1000000000/8 -#define DELAY 0.5 - int ret; - - int sock_buf_size = static_cast<int>(2*BANDWIDTH*DELAY); - char textbuf[512]; - snprintf(textbuf, sizeof(textbuf), "%d", sock_buf_size); - printf("sock_buf_size = %d\n", sock_buf_size); - - ret = setsockopt(socket, SOL_SOCKET, SO_SNDBUF, - &sock_buf_size, sizeof(sock_buf_size)); - - ret = setsockopt(socket, SOL_SOCKET, SO_RCVBUF, - &sock_buf_size, sizeof(sock_buf_size)); - - int uid = getuid(); - if(uid!=0){ - printf(" ****** COULD NOT OPTIMIZE SYSTEM NETWORK PARAMETERS BECAUSE YOU ARE NOT RUNNING AS ROOT *******\n ****** YOUR MSDD6000 RECIEVER PERFORMANCE IS GOING TO BE TERRIBLE *******\n"); - return; - } - - - // SET UP SOME SYSTEM WIDE TCP SOCKET PARAMETERS - // FIXME seems like kind of a big hammer. Are you sure you need this? - FILE* fd = fopen("/proc/sys/net/core/netdev_max_backlog", "w"); - if (fd){ - fwrite("10000", 1, strlen("10000"), fd); - fclose(fd); - } - - fd = fopen("/proc/sys/net/core/rmem_max", "w"); - if (fd){ - fwrite(textbuf, 1, strlen(textbuf), fd); - fclose(fd); - } - - fd = fopen("/proc/sys/net/core/wmem_max", "w"); - if (fd){ - fwrite(textbuf, 1, strlen(textbuf), fd); - fclose(fd); - } - - // just incase these were rejected before because of max sizes... - - ret = setsockopt( socket, SOL_SOCKET, SO_SNDBUF, - (char *)&sock_buf_size, sizeof(sock_buf_size) ); - - ret = setsockopt( socket, SOL_SOCKET, SO_RCVBUF, - (char *)&sock_buf_size, sizeof(sock_buf_size) ); - -} - - -void MSDD6000::set_decim(int decim_pow2){ - DEBUG("SETTING NEW DECIM"); - d_decim = decim_pow2; - - if(d_state==STATE_STARTED) - send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); -} - -void MSDD6000::set_rf_attn(int attn){ - DEBUG("SETTING NEW RF ATTN"); - d_rf_attn = attn; - if(d_state==STATE_STARTED) - send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); -} - -void MSDD6000::set_ddc_gain(int gain){ - DEBUG("SETTING NEW DDC GAIN"); - d_ddc_gain = gain; - if(d_state==STATE_STARTED) - send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); -} - -void MSDD6000::set_fc(int center_mhz, int offset_hz){ - DEBUG("SETTING NEW FC"); - d_fc_mhz = center_mhz; - d_offset_hz = offset_hz; - - if(d_state==STATE_STARTED) - send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); -} - - -void MSDD6000::start(){ - send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, d_decim, d_offset_hz); - d_state = STATE_STARTED; - } - - -void MSDD6000::stop(){ - // new request with 0 decim tells it to halt - send_request(d_fc_mhz, d_rf_attn, d_ddc_gain, 0, d_offset_hz); - d_state = STATE_STOPPED; - } - - -void MSDD6000::send_request(float freq_mhz, float rf_attn, float ddc_gain, float ddc_dec, float ddc_offset_hz){ - static char buff[512]; - sprintf(buff, "%f %f %f %f %f\n",freq_mhz, rf_attn, ddc_gain, ddc_dec, ddc_offset_hz); - printf("sending: %s\n", buff); - int flags = 0; - sendto( d_sock, buff, strlen(buff)+1, flags, - (const sockaddr*)&(d_detail->d_sockaddr), sizeof(d_detail->d_sockaddr)); - } - - -int MSDD6000::read(char* buf, int size){ - int flags = 0; - return recv(d_sock, buf, size, flags); - } - - |