Started working on ddcd
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ddcd.c
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ddcd.c
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/*
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This software is part of libcsdr, a set of simple DSP routines for
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Software Defined Radio.
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Copyright (c) 2014, Andras Retzler <randras@sdr.hu>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL ANDRAS RETZLER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <signal.h>
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#include <stdio.h>
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#include <getopt.h>
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struct client_s
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{
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int socket;
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int addr;
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} client_t;
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int main(int argc, char* argv[])
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{
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int c;
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//arguments:
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int host_port;
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char host_address[100] = "127.0.0.1";
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int decimation;
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for(;;)
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{
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int option_index = 0;
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static struct option long_options[] = {
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{"port", required_argument, 0, 'p' },
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{"address", required_argument, 0, 'a' },
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{"decimation", required_argument, 0, 'd' }
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};
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c = getopt_long(argc, argv, "p:a:d:", long_options, &option_index);
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if(c==-1) break;
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switch (c)
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{
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case 'a':
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host_address[100-1]=0;
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strncpy(host_address,optarg,100-1);
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break;
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case 'p':
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host_port=atoi(optarg);
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break;
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case 'd':
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decimation=atoi(optarg);
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break;
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case 0:
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case '?':
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default:
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printf(" 0%o ??\n", c);
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}
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}
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struct sockaddr_in addr_host;
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int listen_socket;
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std::vector<client_t> clients;
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listen_socket=socket(AF_INET,SOCK_STREAM,0);
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memset(&addr_host,'0',sizeof(addr_host));
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addr_host.sin_family=AF_INET;
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addr_host.sin_port=htons(8888);
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addr_host.sin_addr.s_addr=inet_addr("127.0.0.1");
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}
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