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434 lines
13 KiB
434 lines
13 KiB
/*
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* Copyright (C) 2010 by Scott Lawson KI4LKF
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* Copyright (C) 2018 by Thomas A. Early N7TAE
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <time.h>
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#include <string>
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#include <libconfig.h++>
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#include "QnetTypeDefs.h"
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using namespace libconfig;
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#define VERSION "v3.1"
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int sockDst = -1;
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struct sockaddr_in toDst;
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FILE *fp = NULL;
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time_t tNow = 0;
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short streamid_raw = 0;
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bool isdefined[3] = { false, false, false };
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std::string REPEATER, IP_ADDRESS;
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int PORT, PLAY_WAIT, PLAY_DELAY;
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unsigned short crc_tabccitt[256] = {
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0x0000,0x1189,0x2312,0x329b,0x4624,0x57ad,0x6536,0x74bf,0x8c48,0x9dc1,0xaf5a,0xbed3,0xca6c,0xdbe5,0xe97e,0xf8f7,
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0x1081,0x0108,0x3393,0x221a,0x56a5,0x472c,0x75b7,0x643e,0x9cc9,0x8d40,0xbfdb,0xae52,0xdaed,0xcb64,0xf9ff,0xe876,
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0x2102,0x308b,0x0210,0x1399,0x6726,0x76af,0x4434,0x55bd,0xad4a,0xbcc3,0x8e58,0x9fd1,0xeb6e,0xfae7,0xc87c,0xd9f5,
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0x3183,0x200a,0x1291,0x0318,0x77a7,0x662e,0x54b5,0x453c,0xbdcb,0xac42,0x9ed9,0x8f50,0xfbef,0xea66,0xd8fd,0xc974,
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0x4204,0x538d,0x6116,0x709f,0x0420,0x15a9,0x2732,0x36bb,0xce4c,0xdfc5,0xed5e,0xfcd7,0x8868,0x99e1,0xab7a,0xbaf3,
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0x5285,0x430c,0x7197,0x601e,0x14a1,0x0528,0x37b3,0x263a,0xdecd,0xcf44,0xfddf,0xec56,0x98e9,0x8960,0xbbfb,0xaa72,
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0x6306,0x728f,0x4014,0x519d,0x2522,0x34ab,0x0630,0x17b9,0xef4e,0xfec7,0xcc5c,0xddd5,0xa96a,0xb8e3,0x8a78,0x9bf1,
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0x7387,0x620e,0x5095,0x411c,0x35a3,0x242a,0x16b1,0x0738,0xffcf,0xee46,0xdcdd,0xcd54,0xb9eb,0xa862,0x9af9,0x8b70,
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0x8408,0x9581,0xa71a,0xb693,0xc22c,0xd3a5,0xe13e,0xf0b7,0x0840,0x19c9,0x2b52,0x3adb,0x4e64,0x5fed,0x6d76,0x7cff,
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0x9489,0x8500,0xb79b,0xa612,0xd2ad,0xc324,0xf1bf,0xe036,0x18c1,0x0948,0x3bd3,0x2a5a,0x5ee5,0x4f6c,0x7df7,0x6c7e,
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0xa50a,0xb483,0x8618,0x9791,0xe32e,0xf2a7,0xc03c,0xd1b5,0x2942,0x38cb,0x0a50,0x1bd9,0x6f66,0x7eef,0x4c74,0x5dfd,
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0xb58b,0xa402,0x9699,0x8710,0xf3af,0xe226,0xd0bd,0xc134,0x39c3,0x284a,0x1ad1,0x0b58,0x7fe7,0x6e6e,0x5cf5,0x4d7c,
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0xc60c,0xd785,0xe51e,0xf497,0x8028,0x91a1,0xa33a,0xb2b3,0x4a44,0x5bcd,0x6956,0x78df,0x0c60,0x1de9,0x2f72,0x3efb,
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0xd68d,0xc704,0xf59f,0xe416,0x90a9,0x8120,0xb3bb,0xa232,0x5ac5,0x4b4c,0x79d7,0x685e,0x1ce1,0x0d68,0x3ff3,0x2e7a,
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0xe70e,0xf687,0xc41c,0xd595,0xa12a,0xb0a3,0x8238,0x93b1,0x6b46,0x7acf,0x4854,0x59dd,0x2d62,0x3ceb,0x0e70,0x1ff9,
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0xf78f,0xe606,0xd49d,0xc514,0xb1ab,0xa022,0x92b9,0x8330,0x7bc7,0x6a4e,0x58d5,0x495c,0x3de3,0x2c6a,0x1ef1,0x0f78
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};
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void calcPFCS(unsigned char rawbytes[58])
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{
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unsigned short crc_dstar_ffff = 0xffff;
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unsigned short tmp, short_c;
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short int i;
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for (i = 17; i < 56 ; i++) {
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short_c = 0x00ff & (unsigned short)rawbytes[i];
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tmp = (crc_dstar_ffff & 0x00ff) ^ short_c;
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crc_dstar_ffff = (crc_dstar_ffff >> 8) ^ crc_tabccitt[tmp];
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}
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crc_dstar_ffff = ~crc_dstar_ffff;
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tmp = crc_dstar_ffff;
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rawbytes[56] = (unsigned char)(crc_dstar_ffff & 0xff);
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rawbytes[57] = (unsigned char)((tmp >> 8) & 0xff);
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return;
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}
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bool dst_open(const char *ip, const int port)
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{
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int reuse = 1;
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sockDst = socket(PF_INET,SOCK_DGRAM,0);
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if (sockDst == -1) {
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printf("Failed to create DSTAR socket\n");
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return true;
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}
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if (setsockopt(sockDst,SOL_SOCKET,SO_REUSEADDR, (char *)&reuse, sizeof(reuse)) == -1) {
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close(sockDst);
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sockDst = -1;
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printf("setsockopt DSTAR REUSE failed\n");
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return true;
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}
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memset(&toDst,0,sizeof(struct sockaddr_in));
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toDst.sin_family = AF_INET;
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toDst.sin_port = htons(port);
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toDst.sin_addr.s_addr = inet_addr(ip);
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fcntl(sockDst,F_SETFL,O_NONBLOCK);
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return false;
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}
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void dst_close()
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{
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if (sockDst != -1) {
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close(sockDst);
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sockDst = -1;
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}
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return;
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}
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bool get_value(const Config &cfg, const char *path, int &value, int min, int max, int default_value)
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{
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if (cfg.lookupValue(path, value)) {
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if (value < min || value > max)
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value = default_value;
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} else
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value = default_value;
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printf("%s = [%d]\n", path, value);
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return true;
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}
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bool get_value(const Config &cfg, const char *path, double &value, double min, double max, double default_value)
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{
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if (cfg.lookupValue(path, value)) {
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if (value < min || value > max)
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value = default_value;
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} else
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value = default_value;
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printf("%s = [%lg]\n", path, value);
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return true;
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}
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bool get_value(const Config &cfg, const char *path, bool &value, bool default_value)
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{
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if (! cfg.lookupValue(path, value))
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value = default_value;
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printf("%s = [%s]\n", path, value ? "true" : "false");
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return true;
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}
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bool get_value(const Config &cfg, const char *path, std::string &value, int min, int max, const char *default_value)
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{
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if (cfg.lookupValue(path, value)) {
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int l = value.length();
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if (l<min || l>max) {
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printf("%s is invalid\n", path);
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return false;
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}
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} else
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value = default_value;
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printf("%s = [%s]\n", path, value.c_str());
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return true;
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}
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/* process configuration file */
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bool read_config(const char *cfgFile)
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{
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Config cfg;
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printf("Reading file %s\n", cfgFile);
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// Read the file. If there is an error, report it and exit.
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try {
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cfg.readFile(cfgFile);
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} catch(const FileIOException &fioex) {
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printf("Can't read %s\n", cfgFile);
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return true;
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} catch(const ParseException &pex) {
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printf("Parse error at %s:%d - %s\n", pex.getFile(), pex.getLine(), pex.getError());
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return true;
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}
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if (! get_value(cfg, "ircddb.login", REPEATER, 3, 6, "UNDEFINED"))
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return true;
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REPEATER.resize(6, ' ');
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printf("REPEATER=[%s]\n", REPEATER.c_str());
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for (short int m=0; m<3; m++) {
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std::string path = "module.";
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path += m + 'a';
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std::string type;
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if (cfg.lookupValue(std::string(path+".type").c_str(), type)) {
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if (strcasecmp(type.c_str(), "dvap") && strcasecmp(type.c_str(), "dvrptr") && strcasecmp(type.c_str(), "mmdvm")) {
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printf("module type '%s' is invalid\n", type.c_str());
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return true;
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}
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isdefined[m] = true;
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}
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}
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if (false==isdefined[0] && false==isdefined[1] && false==isdefined[2]) {
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printf("No repeaters defined!\n");
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return true;
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}
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if (! get_value(cfg, "gateway.internal.ip", IP_ADDRESS, 7, 15, "127.0.0.1"))
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return true;
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get_value(cfg, "gateway.internal.port", PORT, 16000, 65535, 19000);
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get_value(cfg, "timing.play.wait", PLAY_WAIT, 1, 10, 2);
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get_value(cfg, "timing.play.delay", PLAY_DELAY, 9, 25, 19);
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return false;
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}
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void ToUpper(std::string &str)
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{
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for (unsigned int i=0; i<str.size(); i++)
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if (islower(str[i]))
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str[i] = toupper(str[i]);
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}
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int main(int argc, char *argv[])
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{
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unsigned short rlen = 0;
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static unsigned short G2_COUNTER = 0;
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size_t nread = 0;
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SDSVT dsvt;
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SDSTR dstr;
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char RADIO_ID[21];
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short int TEXT_idx = 0;
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if (argc != 4) {
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printf("Usage: %s <module> <mycall> <dvtoolFile>\n", argv[0]);
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printf("Where...\n");
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printf(" module is one of your modules\n");
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printf(" mycall is your personal callsign\n");
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printf(" dvtoolFile is a dvtool file\n");
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return 0;
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}
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std::string cfgfile(CFG_DIR);
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cfgfile += "/qn.cfg";
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if (read_config(cfgfile.c_str()))
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return 1;
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if (REPEATER.size() > 6) {
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printf("repeaterCallsign can not be more than 6 characters, %s is invalid\n", REPEATER.c_str());
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return 1;
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}
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ToUpper(REPEATER);
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char module = argv[1][0];
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if (islower(module))
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module = toupper(module);
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if ((module != 'A') && (module != 'B') && (module != 'C')) {
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printf("module must be one of A B C\n");
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return 1;
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}
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if (strlen(argv[2]) > 8) {
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printf("MYCALL can not be more than 8 characters, %s is invalid\n", argv[2]);
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return 1;
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}
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std::string mycall(argv[2]);
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ToUpper(mycall);
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fp = fopen(argv[3], "rb");
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if (!fp) {
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printf("Failed to open file %s for reading\n", argv[3]);
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return 1;
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}
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/* DVTOOL + 4 byte num_of_records */
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unsigned char buf[10];
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nread = fread(buf, 10, 1, fp);
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if (nread != 1) {
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printf("Cant read first 10 bytes\n");
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fclose(fp);
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return 1;
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}
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if (0 != memcmp(buf, "DVTOOL", 6)) {
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printf("DVTOOL signature not found in %s\n", argv[3]);
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fclose(fp);
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return 1;
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}
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memset(RADIO_ID, ' ', 20);
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RADIO_ID[20] = '\0';
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memcpy(RADIO_ID, "QnetVoice Data", 4);
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unsigned long int delay = PLAY_DELAY * 1000L;
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sleep(PLAY_WAIT);
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time(&tNow);
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srand(tNow + getpid());
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if (dst_open(IP_ADDRESS.c_str(), PORT))
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return 1;
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// Read and reformat and write packets
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while (true) {
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/* 2 byte length */
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nread = fread(&rlen, 2, 1, fp);
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if (nread != 1) {
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printf("End-Of-File\n");
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break;
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}
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if (rlen == 56)
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streamid_raw = (short)(::rand() & 0xFFFF);
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else if (rlen == 27)
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;
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else {
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printf("Wrong packet size!\n");
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return 1;
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}
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/* read the packet */
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nread = fread(dsvt.title, rlen, 1, fp);
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printf("Read %d byte packet from %s\n", (int)nread*rlen, argv[3]);
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if (rlen == 56)
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printf("rpt1=%.8s rpt2=%.8s urcall=%.8s, mycall=%.8s, sfx=%.4s\n",
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dsvt.hdr.rpt1, dsvt.hdr.rpt2, dsvt.hdr.urcall, dsvt.hdr.mycall, dsvt.hdr.sfx);
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else
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printf("streamid=%04X counter=%02X\n", dsvt.streamid, dsvt.counter);
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if (nread == 1) {
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if (memcmp(dsvt.title, "DSVT", 4) != 0) {
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printf("DVST title not found\n");
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return 1;
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}
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if (dsvt.id != 0x20) {
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printf("Not Voice type\n");
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return 1;
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}
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if (dsvt.config!=0x10 && dsvt.config!=0x20) {
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printf("Not a valid record type\n");
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return 1;
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}
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dstr.counter = htons(G2_COUNTER++);
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if (rlen == 56) {
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memcpy(dstr.pkt_id, "DSTR", 4);
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dstr.flag[0] = 0x73;
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dstr.flag[1] = 0x12;
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dstr.flag[2] = 0x00;
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dstr.remaining = 0x30;
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dstr.vpkt.icm_id = 0x20;
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dstr.vpkt.dst_rptr_id = dsvt.flagb[0];
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dstr.vpkt.snd_rptr_id = dsvt.flagb[1];
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dstr.vpkt.snd_term_id = dsvt.flagb[2];
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dstr.vpkt.streamid = htons(streamid_raw);
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dstr.vpkt.ctrl = dsvt.counter;
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for (int i=0; i<3; i++)
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dstr.vpkt.hdr.flag[i] = dsvt.hdr.flag[i];
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memset(dstr.vpkt.hdr.r2, ' ', 36);
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memcpy(dstr.vpkt.hdr.r2, REPEATER.c_str(), REPEATER.size());
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dstr.vpkt.hdr.r2[7] = 'G';
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memcpy(dstr.vpkt.hdr.r1, REPEATER.c_str(), REPEATER.size());
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dstr.vpkt.hdr.r1[7] = module;
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memcpy(dstr.vpkt.hdr.ur, "CQCQCQ", 6); /* yrcall */
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memcpy(dstr.vpkt.hdr.my, mycall.c_str(), mycall.size());
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memcpy(dstr.vpkt.hdr.nm, "QNET", 4);
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calcPFCS(dstr.pkt_id);
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} else {
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dstr.remaining = 0x13;
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dstr.vpkt.ctrl = dsvt.counter;
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memcpy(dstr.vpkt.vasd.voice, dsvt.vasd.voice, 12);
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if ((dstr.vpkt.vasd.text[0] != 0x55) || (dstr.vpkt.vasd.text[1] != 0x2d) || (dstr.vpkt.vasd.text[2] != 0x16)) {
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if (TEXT_idx == 0) {
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dstr.vpkt.vasd.text[0] = '@' ^ 0x70;
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dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
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dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
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} else if (TEXT_idx == 2) {
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dstr.vpkt.vasd.text[0] = RADIO_ID[TEXT_idx++] ^ 0x70;
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dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
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dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
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} else if (TEXT_idx == 5) {
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dstr.vpkt.vasd.text[0] = 'A' ^ 0x70;
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dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
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dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
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} else if (TEXT_idx == 7) {
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dstr.vpkt.vasd.text[0] = RADIO_ID[TEXT_idx++] ^ 0x70;
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dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
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dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
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} else if (TEXT_idx == 10) {
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dstr.vpkt.vasd.text[0] = 'B' ^ 0x70;
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dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
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dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
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} else if (TEXT_idx == 12) {
|
|
dstr.vpkt.vasd.text[0] = RADIO_ID[TEXT_idx++] ^ 0x70;
|
|
dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
|
|
dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
|
|
} else if (TEXT_idx == 15) {
|
|
dstr.vpkt.vasd.text[0] = 'C' ^ 0x70;
|
|
dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
|
|
dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
|
|
} else if (TEXT_idx == 17) {
|
|
dstr.vpkt.vasd.text[0] = RADIO_ID[TEXT_idx++] ^ 0x70;
|
|
dstr.vpkt.vasd.text[1] = RADIO_ID[TEXT_idx++] ^ 0x4f;
|
|
dstr.vpkt.vasd.text[2] = RADIO_ID[TEXT_idx++] ^ 0x93;
|
|
} else {
|
|
dstr.vpkt.vasd.text[0] = 0x70;
|
|
dstr.vpkt.vasd.text[1] = 0x4f;
|
|
dstr.vpkt.vasd.text[2] = 0x93;
|
|
}
|
|
}
|
|
}
|
|
|
|
int sent = sendto(sockDst, dstr.pkt_id, rlen + 2,0, (struct sockaddr *)&toDst, sizeof(toDst));
|
|
if (sent == 58)
|
|
printf("Sent DSTR HDR r2=%.8s r1=%.8s ur=%.8s my=%.8s nm=%.4s\n",
|
|
dstr.vpkt.hdr.r2, dstr.vpkt.hdr.r1, dstr.vpkt.hdr.ur, dstr.vpkt.hdr.my, dstr.vpkt.hdr.nm);
|
|
else if (sent == 29)
|
|
printf("Sent DSTR DATA streamid=%04X, ctrl=%02X\n", dstr.vpkt.streamid, dstr.vpkt.ctrl);
|
|
else
|
|
printf("ERROR: sendto returned %d!\n", sent);
|
|
}
|
|
usleep(delay);
|
|
}
|
|
dst_close();
|
|
fclose(fp);
|
|
return 0;
|
|
}
|