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QnetGateway/g2_ircddb.cpp

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/*
* Copyright (C) 2010 by Scott Lawson KI4LKF
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* by KI4LKF, AC2IE */
/*
g2_ircddb is a dstar G2 gateway, using irc routing
adapted from the OpenG2 G2 gateway
Version 2.61 or higher will use ONLY the irc mechanism of routing
and it will NOT use any local Postgres databases or any TRUST(s)
*/
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <time.h>
#include <math.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <regex.h>
#include <string>
#include <utility>
using namespace std;
#include <pthread.h>
#include <wx/hashmap.h>
#include "IRCDDB.h"
#include "versions.h"
#define IP_SIZE 15
#define MAXHOSTNAMELEN 64
#define CALL_SIZE 8
#define ECHO_CODE 'E'
#define STORE_VM_CODE 'S'
#define RECALL_VM_CODE 'R'
#define CLEAR_VM_CODE 'C'
#define LINK_CODE 'L'
/* configuration data */
/* Gateway callsign */
static char OWNER[CALL_SIZE + 1];
static char owner[CALL_SIZE + 1];
//static char PACKAGE_REV[56];
static char LOCAL_IRC_IP[IP_SIZE + 1];
static bool SEND_QRGS_MAPS = false;
static char STATUS_FILE[FILENAME_MAX + 1];
static unsigned char silence[9] = { 0x4e,0x8d,0x32,0x88,0x26,0x1a,0x3f,0x61,0xe8 };
static char DTMF_DIR[FILENAME_MAX + 1];
static char DTMF_FILE[FILENAME_MAX + 1];
static const int MAX_DTMF_BUF = 32;
static char dtmf_chars[17] = "147*2580369#ABCD";
static int dtmf_digit;
static FILE *dtmf_fp = NULL;
static char dtmf_buf[3][MAX_DTMF_BUF + 1] = { {""}, {""}, {""} };
static int dtmf_buf_count[3] = {0, 0, 0};
static unsigned int dtmf_counter[3] = {0, 0, 0};
static int dtmf_last_frame[3] = {0, 0, 0};
static bool IRC_DEBUG = false;
static bool DTMF_DEBUG = false;
static bool REGEN_HDR = false;
/* the aprs TCP socket */
static int aprs_sock = -1;
static struct sockaddr_in aprs_addr;
static socklen_t aprs_addr_len;
/* data needed for aprs login and aprs beacon */
static struct rptr_struct{
char aprs_host[MAXHOSTNAMELEN + 1];
int aprs_port;
int aprs_hash;
int aprs_interval;
char aprs_filter[512];
/* 0=A, 1=B, 2=C */
struct mod_struct {
char call[CALL_SIZE + 1]; /* KJ4NHF-B */
bool defined;
char band[5]; /* 23cm ... */
double frequency, offset, latitude, longitude, range, agl;
char desc1[21], desc2[21];
char desc[64];
char url[65];
char package_version[56];
} mod[3];
} rptr;
/* Gateway external IP and port for remote G2 routing */
static char G2_EXTERNAL_IP[IP_SIZE + 1]; /* 0.0.0.0 */
static int G2_EXTERNAL_PORT = 40000;
/*
Internal Gateway internal IP and port,
so that the local repeater modules can talk to our g2_ircddb
*/
static char G2_INTERNAL_IP[IP_SIZE + 1]; /* 0.0.0.0 */
static int G2_INTERNAL_PORT = 19000;
/* We send repeater data to our g2_link */
static int TO_G2_LINK_PORT = 18997;
static char TO_G2_LINK_IP[IP_SIZE + 1];
/* local repeater module IP and port for each repeater module */
/* all set to 127.0.0.1, unless running on other boxes */
static char TO_RPTR_IP[3][IP_SIZE + 1];
static int TO_RPTR_PORT[3]; /* Example: 19998 19999 20000 */
/* QSO details go to a log file */
static bool QSO_DETAILS = false;
static bool SEND_APRS = false;
/* Recorded files are here */
static char ECHOTEST_DIR[FILENAME_MAX + 1];
/*
How many SECONDS to wait before starting to playback the recorded file.
1 second is enough, some repeaters require 2 seconds to re-initialize
before they accept new streams again.
*/
static int PLAY_WAIT = 1;
/*
How many MILLIseconds to delay when playing back each of the recorded packets
Normal VoIP is 20 milliseconds
*/
static int PLAY_DELAY = 20;
static char IRC_DDB_HOST[512];
static int IRC_DDB_PORT = 9007;
static char IRC_PASS[512];
static int ECHOTEST_REC_TIMEOUT = 1;
static int VOICEMAIL_REC_TIMEOUT = 1;
static int FROM_REMOTE_G2_TIMEOUT = 1;
static int FROM_LOCAL_RPTR_TIMEOUT = 1;
/* local repeater modules being recorded */
/* This is for echotest */
static struct {
time_t last_time;
unsigned char streamid[2];
int fd;
char file[FILENAME_MAX + 1];
} recd[3];
/* this is for vm */
static struct {
time_t last_time;
unsigned char streamid[2];
int fd;
char file[FILENAME_MAX + 1];
} vm[3];
static unsigned char recbuf[100]; /* 56 or 27, max is 56 */
/* the streamids going to remote Gateways from each local module */
static struct {
unsigned char streamid[2];
struct sockaddr_in toDst4;
time_t last_time;
} to_remote_g2[3]; /* 0=A, 1=B, 2=C */
/* input from remote G2 gateway */
static int g2_sock = -1;
static unsigned char readBuffer2[2000]; /* 56 or 27, max is 56 */
static struct sockaddr_in fromDst4;
/*
Incoming data from remote systems
must be fed into our local repeater modules.
*/
static struct {
/* help with header re-generation */
unsigned char saved_hdr[58]; /* repeater format */
uint32_t saved_adr;
unsigned char streamid[2];
uint32_t adr;
struct sockaddr_in band_addr;
time_t last_time;
unsigned short G2_COUNTER;
unsigned char sequence;
} toRptr[3]; /* 0=A, 1=B, 2=C */
/* input from our own local repeater modules */
static int srv_sock = -1;
static unsigned char readBuffer[2000]; /* 58 or 29 or 32, max is 58 */
static struct sockaddr_in fromRptr;
static unsigned char end_of_audio[29];
static volatile bool keep_running = true;
//static time_t wd_timer = 0;
/* send packets to g2_link */
static struct sockaddr_in plug;
/* for talking with the irc server */
static CIRCDDB *ii;
enum aprs_level {
al_none,
al_$1,
al_$2,
al_c1,
al_r1,
al_c2,
al_csum1,
al_csum2,
al_csum3,
al_csum4,
al_data,
al_end
};
enum slow_level {
sl_first,
sl_second
};
static struct {
aprs_level al;
unsigned char data[300];
unsigned int len;
unsigned char buf[6];
slow_level sl;
bool is_sent;
} aprs_pack[3];
/* lock down a stream per band */
static struct {
unsigned char streamID[2];
time_t last_time;
} aprs_streamID[3];
/* text coming from local repeater bands */
static struct {
unsigned char streamID[2];
unsigned char flags[3];
char lh_mycall[CALL_SIZE + 1];
char lh_sfx[5];
char lh_yrcall[CALL_SIZE + 1];
char lh_rpt1[CALL_SIZE + 1];
char lh_rpt2[CALL_SIZE + 1];
time_t last_time;
char txt[64]; /* Only 20 are used */
unsigned short txt_cnt;
bool txt_stats_sent;
char dest_rptr[CALL_SIZE + 1];
/* try to process GPS mode: GPRMC and ID */
char temp_line[256];
unsigned short temp_line_cnt;
char gprmc[256];
char gpid[256];
bool is_gps_sent;
time_t gps_last_time;
int num_dv_frames;
int num_dv_silent_frames;
int num_bit_errors;
} band_txt[3]; /* 0=A, 1=B, 2=C */
/* Used to validate MYCALL input */
static regex_t preg;
/*
CACHE used to cache users, repeaters,
gateways, IP numbers coming from the irc server
*/
WX_DECLARE_STRING_HASH_MAP(wxString, user2rptr_type);
static user2rptr_type user2rptr_map;
WX_DECLARE_STRING_HASH_MAP(wxString, rptr2gwy_type);
static rptr2gwy_type rptr2gwy_map;
WX_DECLARE_STRING_HASH_MAP(wxString, gwy2ip_type);
static gwy2ip_type gwy2ip_map;
static pthread_mutex_t irc_data_mutex = PTHREAD_MUTEX_INITIALIZER;
static unsigned short crc_tabccitt[256] = {
0x0000,0x1189,0x2312,0x329b,0x4624,0x57ad,0x6536,0x74bf,
0x8c48,0x9dc1,0xaf5a,0xbed3,0xca6c,0xdbe5,0xe97e,0xf8f7,
0x1081,0x0108,0x3393,0x221a,0x56a5,0x472c,0x75b7,0x643e,
0x9cc9,0x8d40,0xbfdb,0xae52,0xdaed,0xcb64,0xf9ff,0xe876,
0x2102,0x308b,0x0210,0x1399,0x6726,0x76af,0x4434,0x55bd,
0xad4a,0xbcc3,0x8e58,0x9fd1,0xeb6e,0xfae7,0xc87c,0xd9f5,
0x3183,0x200a,0x1291,0x0318,0x77a7,0x662e,0x54b5,0x453c,
0xbdcb,0xac42,0x9ed9,0x8f50,0xfbef,0xea66,0xd8fd,0xc974,
0x4204,0x538d,0x6116,0x709f,0x0420,0x15a9,0x2732,0x36bb,
0xce4c,0xdfc5,0xed5e,0xfcd7,0x8868,0x99e1,0xab7a,0xbaf3,
0x5285,0x430c,0x7197,0x601e,0x14a1,0x0528,0x37b3,0x263a,
0xdecd,0xcf44,0xfddf,0xec56,0x98e9,0x8960,0xbbfb,0xaa72,
0x6306,0x728f,0x4014,0x519d,0x2522,0x34ab,0x0630,0x17b9,
0xef4e,0xfec7,0xcc5c,0xddd5,0xa96a,0xb8e3,0x8a78,0x9bf1,
0x7387,0x620e,0x5095,0x411c,0x35a3,0x242a,0x16b1,0x0738,
0xffcf,0xee46,0xdcdd,0xcd54,0xb9eb,0xa862,0x9af9,0x8b70,
0x8408,0x9581,0xa71a,0xb693,0xc22c,0xd3a5,0xe13e,0xf0b7,
0x0840,0x19c9,0x2b52,0x3adb,0x4e64,0x5fed,0x6d76,0x7cff,
0x9489,0x8500,0xb79b,0xa612,0xd2ad,0xc324,0xf1bf,0xe036,
0x18c1,0x0948,0x3bd3,0x2a5a,0x5ee5,0x4f6c,0x7df7,0x6c7e,
0xa50a,0xb483,0x8618,0x9791,0xe32e,0xf2a7,0xc03c,0xd1b5,
0x2942,0x38cb,0x0a50,0x1bd9,0x6f66,0x7eef,0x4c74,0x5dfd,
0xb58b,0xa402,0x9699,0x8710,0xf3af,0xe226,0xd0bd,0xc134,
0x39c3,0x284a,0x1ad1,0x0b58,0x7fe7,0x6e6e,0x5cf5,0x4d7c,
0xc60c,0xd785,0xe51e,0xf497,0x8028,0x91a1,0xa33a,0xb2b3,
0x4a44,0x5bcd,0x6956,0x78df,0x0c60,0x1de9,0x2f72,0x3efb,
0xd68d,0xc704,0xf59f,0xe416,0x90a9,0x8120,0xb3bb,0xa232,
0x5ac5,0x4b4c,0x79d7,0x685e,0x1ce1,0x0d68,0x3ff3,0x2e7a,
0xe70e,0xf687,0xc41c,0xd595,0xa12a,0xb0a3,0x8238,0x93b1,
0x6b46,0x7acf,0x4854,0x59dd,0x2d62,0x3ceb,0x0e70,0x1ff9,
0xf78f,0xe606,0xd49d,0xc514,0xb1ab,0xa022,0x92b9,0x8330,
0x7bc7,0x6a4e,0x58d5,0x495c,0x3de3,0x2c6a,0x1ef1,0x0f78
};
static int g2_open();
static int srv_open();
static void calcPFCS(unsigned char *packet, int len);
static void *get_irc_data(void *arg);
static int get_yrcall_rptr_from_cache(char *call, char *arearp_cs, char *zonerp_cs,
char *mod, char *ip, char RoU);
static bool get_yrcall_rptr(char *call, char *arearp_cs, char *zonerp_cs,
char *mod, char *ip, char RoU);
static void traceit(const char *fmt,...);
static int read_config(char *);
static void runit();
static void sigCatch(int signum);
static void *echotest(void *arg);
static void compute_aprs_hash();
static void *send_aprs_beacon(void *arg);
/* aprs functions, borrowed from my retired IRLP node 4201 */
static bool aprs_write_data(short int rptr_idx, unsigned char *data);
static void aprs_sync_it(short int rptr_idx);
static void aprs_reset(short int rptr_idx);
static unsigned int aprs_get_data(short int rptr_idx, unsigned char *data, unsigned int len);
static void aprs_init();
static void aprs_open();
static bool aprs_add_data(short int rptr_idx, unsigned char *data);
static bool aprs_check_data(short int rptr_idx);
static unsigned int aprs_calc_crc(unsigned char* buf, unsigned int len);
static void aprs_select_band(short int rptr_idx, unsigned char *streamID);
static void aprs_process_text(unsigned char *streamID,
unsigned char seq,
unsigned char *buf,
unsigned int len);
static void gps_send(short int rptr_idx);
static bool verify_gps_csum(char *gps_text, char *csum_text);
static void build_aprs_from_gps_and_send(short int rptr_idx);
static ssize_t writen(char *buffer, size_t n);
static void qrgs_and_maps();
static bool resolve_rmt(char *name, int type, struct sockaddr_in *addr);
static void set_dest_rptr(int mod_ndx, char *dest_rptr);
extern void dstar_dv_init();
extern int dstar_dv_decode(const unsigned char *d, int data[3]);
static bool resolve_rmt(char *name, int type, struct sockaddr_in *addr)
{
struct addrinfo hints;
struct addrinfo *res;
struct addrinfo *rp;
int rc = 0;
bool found = false;
memset(&hints, 0x00, sizeof(struct addrinfo));
hints.ai_family = AF_INET;
hints.ai_socktype = type;
rc = getaddrinfo(name, NULL, &hints, &res);
if (rc != 0) {
traceit("getaddrinfo return error code %d for [%s]\n", rc, name);
return false;
}
for (rp = res; rp != NULL; rp = rp->ai_next) {
if ((rp->ai_family == AF_INET) &&
(rp->ai_socktype == type)) {
memcpy(addr, rp->ai_addr, sizeof(struct sockaddr_in));
found = true;
break;
}
}
freeaddrinfo(res);
return found;
}
static void set_dest_rptr(int mod_ndx, char *dest_rptr)
{
FILE *statusfp = NULL;
char statusbuf[1024];
char *status_local_mod = NULL;
char *status_remote_stm = NULL;
char *status_remote_mod = NULL;
const char *delim = ",";
char *saveptr = NULL;
char *p = NULL;
statusfp = fopen(STATUS_FILE, "r");
if (statusfp) {
setvbuf(statusfp, (char *)NULL, _IOLBF, 0);
while (fgets(statusbuf, 1020, statusfp) != NULL) {
p = strchr(statusbuf, '\r');
if (p)
*p = '\0';
p = strchr(statusbuf, '\n');
if (p)
*p = '\0';
status_local_mod = strtok_r(statusbuf, delim, &saveptr);
status_remote_stm = strtok_r(NULL, delim, &saveptr);
status_remote_mod = strtok_r(NULL, delim, &saveptr);
if (!status_local_mod || !status_remote_stm || !status_remote_mod)
continue;
if ( ((*status_local_mod == 'A') && (mod_ndx == 0)) ||
((*status_local_mod == 'B') && (mod_ndx == 1)) ||
((*status_local_mod == 'C') && (mod_ndx == 2)) ) {
strncpy(dest_rptr, status_remote_stm, CALL_SIZE);
dest_rptr[7] = *status_remote_mod;
dest_rptr[CALL_SIZE] = '\0';
break;
}
}
fclose(statusfp);
}
return;
}
/* compute checksum */
static void calcPFCS(unsigned char *packet, int len)
{
unsigned short crc_dstar_ffff = 0xffff;
unsigned short tmp, short_c;
short int i;
short int low;
short int high;
if (len == 56) {
low = 15;
high = 54;
} else if (len == 58) {
low = 17;
high = 56;
} else
return;
for (i = low; i < high ; i++) {
short_c = 0x00ff & (unsigned short)packet[i];
tmp = (crc_dstar_ffff & 0x00ff) ^ short_c;
crc_dstar_ffff = (crc_dstar_ffff >> 8) ^ crc_tabccitt[tmp];
}
crc_dstar_ffff = ~crc_dstar_ffff;
tmp = crc_dstar_ffff;
if (len == 56) {
packet[54] = (unsigned char)(crc_dstar_ffff & 0xff);
packet[55] = (unsigned char)((tmp >> 8) & 0xff);
} else {
packet[56] = (unsigned char)(crc_dstar_ffff & 0xff);
packet[57] = (unsigned char)((tmp >> 8) & 0xff);
}
return;
}
/* log the event */
static void traceit(const char *fmt,...)
{
time_t ltime;
struct tm tm;
const short BFSZ = 512;
char buf[BFSZ];
time(&ltime);
localtime_r(&ltime, &tm);
snprintf(buf,BFSZ - 1,"%02d%02d%02d at %d:%02d:%02d:",
tm.tm_mon+1,tm.tm_mday,tm.tm_year % 100,
tm.tm_hour,tm.tm_min,tm.tm_sec);
va_list args;
va_start(args,fmt);
vsnprintf(buf + strlen(buf), BFSZ - strlen(buf) -1, fmt, args);
va_end(args);
fprintf(stdout, "%s", buf);
return;
}
static char *trim(char *s)
{
if (s) {
// remove trailing whitespace
while (strlen(s) && isspace(s[strlen(s)-1]))
s[strlen(s)-1] = (char)NULL;
// count leading whitespace
int i = 0;
while (isspace(s[i]))
i++;
// this could be used on malloc'ed char*, so we will not change where s points
// and this will keep free() working properly.
// Instead we will move the string to s and write over leading whitespace.
if (i) {
char *p1 = s - 1;
char *p2 = p1 + i;
do {
*++p1 = *++p2;
} while (*p1);
}
}
// the returned value doesn't have to be used. s didn't change!
return s;
}
/* process configuration file */
static int read_config(char *cfgFile)
{
short int valid_params = 39;
short int params = 0;
unsigned short i;
FILE *cnf = NULL;
char aline[1024];
char *tok = NULL;
const char *Tstr = "TRUE";
const char *Fstr = "FALSE";
char zero = (char)NULL;
cnf = fopen(cfgFile, "r");
if (!cnf) {
traceit("Failed to open file %s\n", cfgFile);
return 1;
}
traceit("Reading file %s\n", cfgFile);
while (fgets(aline, 1024, cnf) != NULL) {
(void)trim(aline);
if ('#'==aline[0] || NULL==strchr(aline, '=') || (char)NULL==aline[0])
continue;
char *param = strtok(aline, "=");
if (NULL == param)
continue;
(void)trim(param);
if (0 == strlen(param))
continue;
char *value = trim(strtok(NULL, "=")); // get the rest of the line, i.e., the value
// trim value
(void)trim(value);
if (NULL==value)
value = &zero;
if (0 == strcmp(param, "OWNER")) {
if (3>strlen(value) || CALL_SIZE-2<strlen(value))
traceit("OWNER value '%s' invalid\n", value);
else {
strcpy(OWNER, value);
strcpy(owner, value);
for (i=0; i < strlen(OWNER); i++) {
if (isupper(owner[i]))
owner[i] = tolower(owner[i]);
if (islower(OWNER[i]))
OWNER[i] = toupper(OWNER[i]);
}
traceit("OWNER=[%s]\n", OWNER);
while (CALL_SIZE > strlen(OWNER))
strcat(OWNER, " ");
params ++;
}
} else if (0 == strcmp(param, "STATUS_FILE")) {
strncpy(STATUS_FILE, value ,FILENAME_MAX);
STATUS_FILE[FILENAME_MAX] = zero;
traceit("STATUS_FILE=[%s]\n",STATUS_FILE);
params ++;
} else if (0 == strcmp(param, "LOCAL_IRC_IP")) {
if (strlen(value) < 7)
traceit("LOCAL_IRC_IP value [%s] invalid\n", value);
else {
strncpy(LOCAL_IRC_IP, value, IP_SIZE);
LOCAL_IRC_IP[IP_SIZE] = zero;
traceit("LOCAL_IRC_IP=[%s]\n", LOCAL_IRC_IP);
params ++;
}
} else if (0 == strcmp(param,"SEND_QRGS_MAPS")) {
if ('Y'==value[0] || 'y'==value[0])
SEND_QRGS_MAPS = true;
else
SEND_QRGS_MAPS = false;
traceit("SEND_QRGS_MAPS=[%s]\n", SEND_QRGS_MAPS ? Tstr : Fstr);
params ++;
} else if (0 == strcmp(param, "APRS_HOST")) {
strncpy(rptr.aprs_host, value, MAXHOSTNAMELEN);
rptr.aprs_host[MAXHOSTNAMELEN] = zero;
traceit("APRS_HOST=[%s]\n", rptr.aprs_host);
params++;
} else if (0 == strcmp(param, "APRS_PORT")) {
rptr.aprs_port = atoi(value);
traceit("APRS_PORT=[%d]\n", rptr.aprs_port);
params++;
} else if (0 == strcmp(param, "APRS_INTERVAL")) {
rptr.aprs_interval = atoi(value);
traceit("APRS_INTERVAL=[%d]\n", rptr.aprs_interval);
if (rptr.aprs_interval < 40) {
rptr.aprs_interval = 40;
traceit("APRS_INTERVAL is low number, re-setting to 40\n");
}
params++;
} else if (0 == strcmp(param, "APRS_FILTER")) {
strncpy(rptr.aprs_filter, value, 512);
rptr.aprs_filter[511] = zero;
traceit("APRS_filter=[%s]\n", rptr.aprs_filter);
params++;
} else if (0 == strncmp(param, "RPTR_", 5)) {
char cm = param[5];
int m = cm - 'A';
if (0<=m && m<3) {
rptr.mod[i].defined = strlen(value) ? true : false;
if (rptr.mod[i].defined) {
for (i=0; i<10; i++) {
tok = strtok(i?NULL:value, "|");
switch (i) {
case 0:
(void)trim(tok);
switch (tok[0]) {
case '0':
strcpy(rptr.mod[m].package_version, DVAP_VERSION);
break;
case '1':
strcpy(rptr.mod[m].package_version, DVRPTR_VERSION);
break;
default:
rptr.mod[m].package_version[0] = zero;
break;
}
break;
case 1:
rptr.mod[m].frequency = tok ? atof(tok) : 0.0;
break;
case 2:
rptr.mod[m].offset = tok ? atof(tok) : 0.0;
break;
case 3:
rptr.mod[m].range = tok ? atof(tok) : 0.0;
break;
case 4:
rptr.mod[m].agl = tok ? atof(tok) : 0.0;
break;
case 5:
rptr.mod[m].latitude = tok ? atof(tok) : 0.0;
break;
case 6:
rptr.mod[m].longitude = tok ? atof(tok) : 0.0;
break;
case 7:
if (tok)
strncpy(rptr.mod[m].desc1, trim(tok), 20);
rptr.mod[m].desc1[tok ? 20 : 0] = zero;
break;
case 8:
if (tok)
strncpy(rptr.mod[m].desc2, trim(tok), 20);
rptr.mod[m].desc2[tok ? 20 : 0] = zero;
break;
case 9:
if (tok) {
char *instr = strstr(tok, "//");
if (instr) {
char *p = tok;
while (p < instr+2)
*p++ = ' ';
}
(void)trim(tok);
strncpy(rptr.mod[m].url, tok, 64);
}
rptr.mod[m].url[tok ? 64 : 0] = zero;
}
}
if (strlen(rptr.mod[m].package_version)) {
params++;
// make the long description
strcpy(rptr.mod[m].desc, rptr.mod[m].desc1);
if (strlen(rptr.mod[m].desc2)) {
strcat(rptr.mod[m].desc, "%s ");
strcat(rptr.mod[m].desc, rptr.mod[m].desc2);
}
traceit("Mod%c:\n", cm);
traceit("\tType =%s\n", rptr.mod[m].package_version);
traceit("\tfreq =%lg\n", rptr.mod[m].frequency);
traceit("\toffset =%lg\n", rptr.mod[m].offset);
traceit("\trange =%lg\n", rptr.mod[m].range);
traceit("\tagl =%lg\n", rptr.mod[m].agl);
traceit("\tlatitude =%lg\n", rptr.mod[m].latitude);
traceit("\tlongitude=%lg\n", rptr.mod[m].longitude);
traceit("\tdesc1 =%s\n", rptr.mod[m].desc1);
traceit("\tdesc2 =%s\n", rptr.mod[m].desc2);
traceit("\turl =%s\n", rptr.mod[m].url);
} else
traceit("RPTR_%c Type not defined\n", cm);
} else
params++; // empty value for RPTR_X
} else
traceit("RPTR_ID_%c? must be A, B or C\n", cm);
} else if (0 == strcmp(param, "G2_EXTERNAL_IP")) {
if (strlen(value) < 7)
traceit("G2_EXTERNAL_IP value [%s] invalid\n", value);
else {
strncpy(G2_EXTERNAL_IP, value, IP_SIZE);
G2_EXTERNAL_IP[IP_SIZE] = zero;
traceit("G2_EXTERNAL_IP=[%s]\n", G2_EXTERNAL_IP);
params ++;
}
} else if (0 == strcmp(param, "G2_EXTERNAL_PORT")) {
G2_EXTERNAL_PORT = atoi(value);
traceit("G2_EXTERNAL_PORT=[%d]\n", G2_EXTERNAL_PORT);
params ++;
} else if (0 == strcmp(param, "G2_INTERNAL_IP")) {
if (strlen(value) < 7)
traceit("G2_INTERNAL_IP value [%s] invalid\n", value);
else {
strncpy(G2_INTERNAL_IP, value, IP_SIZE);
G2_INTERNAL_IP[IP_SIZE] = zero;
traceit("G2_INTERNAL_IP=[%s]\n", G2_INTERNAL_IP);
params ++;
}
} else if (0 == strcmp(param, "G2_INTERNAL_PORT")) {
G2_INTERNAL_PORT = atoi(value);
traceit("G2_INTERNAL_PORT=[%d]\n", G2_INTERNAL_PORT);
params ++;
} else if (0 == strcmp(param, "TO_G2_LINK_IP")) {
if (strlen(value) < 7)
traceit("TO_G2_LINK_IP value [%s] invalid\n", value);
else {
strncpy(TO_G2_LINK_IP, value, IP_SIZE);
TO_G2_LINK_IP[IP_SIZE] = zero;
traceit("TO_G2_LINK_IP=[%s]\n", TO_G2_LINK_IP);
params ++;
}
} else if (0 == strcmp(param, "TO_G2_LINK_PORT")) {
TO_G2_LINK_PORT = atoi(value);
traceit("TO_G2_LINK_PORT=[%d]\n", TO_G2_LINK_PORT);
params ++;
} else if (0 == strncmp(param, "TO_RPTR_IP_", 11)) {
char cm = param[11];
int m = cm - 'A';
if (0<=m && m<3) {
if (strlen(value) < 7)
traceit("TO_RPTR_IP_$c value [%s] invalid\n", cm, value);
else {
strncpy(TO_RPTR_IP[m], value, IP_SIZE);
TO_RPTR_IP[m][IP_SIZE] = '\0';
traceit("TO_RPTR_IP_%c=[%s]\n", cm, TO_RPTR_IP[m]);
params ++;
}
} else
traceit("TO_RPTR_IP_%c is invalid\n", cm);
} else if (0 == strncmp(param, "TO_RPTR_PORT_", 13)) {
char cm = param[13];
int m = cm - 'A';
if (0<=m && m<3) {
TO_RPTR_PORT[m] = atoi(value);
traceit("TO_RPTR_PORT_%c=[%d]\n", cm, TO_RPTR_PORT[m]);
params ++;
} else
traceit("TO_RPTR_PORT_%c is invalid\n", cm);
} else if (0 == strcmp(param, "QSO_DETAILS")) {
if ('Y'==value[0] || 'y'==value[0])
QSO_DETAILS = true;
else
QSO_DETAILS = false;
traceit("QSO_DETAILS=[%s]\n", QSO_DETAILS ? Tstr : Fstr);
params ++;
} else if (0 == strcmp(param, "IRC_DEBUG")) {
if ('Y'==value[0] || 'y'==value[0])
IRC_DEBUG = true;
else
IRC_DEBUG = false;
traceit("IRC_DEBUG=[%s]\n", IRC_DEBUG ? Tstr : Fstr);
params ++;
} else if (0 == strcmp(param, "DTMF_DEBUG")) {
if ('Y'==value[0] || 'y'==value[0])
DTMF_DEBUG = true;
else
DTMF_DEBUG = false;
traceit("DTMF_DEBUG=[%s]\n", DTMF_DEBUG ? Tstr : Fstr);
params ++;
} else if (0 == strcmp(param,"REGEN_HDR")) {
if ('Y'==value[0] || 'y'==value[0])
REGEN_HDR = true;
else
REGEN_HDR = false;
traceit("REGEN_HDR=[%s]\n", REGEN_HDR ? Tstr : Fstr);
params ++;
} else if (0 == strcmp(param, "SEND_APRS")) {
if ('Y'==value[0] || 'y'==value[0])
SEND_APRS = true;
else
SEND_APRS = false;
traceit("SEND_APRS=[%s]\n", SEND_APRS ? Tstr : Fstr);
params ++;
} else if (0 == strcmp(param, "ECHOTEST_DIR")) {
strncpy(ECHOTEST_DIR, value, FILENAME_MAX);
ECHOTEST_DIR[FILENAME_MAX] = zero;
traceit("ECHOTEST_DIR=[%s]\n", ECHOTEST_DIR);
params ++;
} else if (0 == strcmp(param, "PLAY_WAIT")) {
PLAY_WAIT = atoi(value);
if ((PLAY_WAIT > 10) || (PLAY_WAIT < 1))
PLAY_WAIT = 1;
traceit("PLAY_WAIT=[%d]\n", PLAY_WAIT);
params ++;
} else if (0 == strcmp(param, "PLAY_DELAY")) {
PLAY_DELAY = atoi(value);
if ((PLAY_DELAY > 50) || (PLAY_DELAY < 10))
PLAY_DELAY = 20;
traceit("PLAY_DELAY=[%d]\n", PLAY_DELAY);
params ++;
} else if (0 == strcmp(param, "ECHOTEST_REC_TIMEOUT")) {
ECHOTEST_REC_TIMEOUT = atoi(value);
traceit("ECHOTEST_REC_TIMEOUT=[%d]\n", ECHOTEST_REC_TIMEOUT);
params ++;
} else if (0 == strcmp(param, "VOICEMAIL_REC_TIMEOUT")) {
VOICEMAIL_REC_TIMEOUT = atoi(value);
traceit("VOICEMAIL_REC_TIMEOUT=[%d]\n", VOICEMAIL_REC_TIMEOUT);
params ++;
} else if (0 == strcmp(param, "FROM_REMOTE_G2_TIMEOUT")) {
FROM_REMOTE_G2_TIMEOUT = atoi(value);
traceit("FROM_REMOTE_G2_TIMEOUT=[%d]\n", FROM_REMOTE_G2_TIMEOUT);
params ++;
} else if (0 == strcmp(param, "FROM_LOCAL_RPTR_TIMEOUT")) {
FROM_LOCAL_RPTR_TIMEOUT = atoi(value);
traceit("FROM_LOCAL_RPTR_TIMEOUT=[%d]\n", FROM_LOCAL_RPTR_TIMEOUT);
params ++;
} else if (0 == strcmp(param, "IRC_DDB_HOST")) {
if (strlen(value) < 7)
traceit("IRC_DDB_HOST value [%s] invalid\n", value);
else {
strncpy(IRC_DDB_HOST, value, 512);
IRC_DDB_HOST[512] = zero;
traceit("IRC_DDB_HOST=[%s]\n", IRC_DDB_HOST);
params ++;
}
} else if (0 == strcmp(param, "IRC_DDB_PORT")) {
IRC_DDB_PORT = atoi(value);
traceit("IRC_DDB_PORT=[%d]\n",IRC_DDB_PORT);
params ++;
} else if (0 == strcmp(param, "IRC_PASS")) {
strncpy(IRC_PASS, value, 512);
IRC_PASS[511] = zero;
params ++;
} else if (0 == strcmp(param,"DTMF_DIR")) {
strncpy(DTMF_DIR, value, FILENAME_MAX);
DTMF_DIR[FILENAME_MAX] = zero;
traceit("DTMF_DIR=[%s]\n", DTMF_DIR);
params ++;
} else {
traceit("UNKNOWN: %s = %s\n", param, value);
}
}
fclose(cnf);
if (params != valid_params) {
traceit("Configuration file %s invalid, only found %d of %d parameters\n",cfgFile, params, valid_params);
return 1;
}
return 0;
}
/* Create the 40000 external port */
static int g2_open()
{
struct sockaddr_in sin;
g2_sock = socket(PF_INET,SOCK_DGRAM,0);
if (g2_sock == -1) {
traceit("Failed to create g2 socket,errno=%d\n",errno);
return 1;
}
fcntl(g2_sock,F_SETFL,O_NONBLOCK);
memset(&sin,0,sizeof(struct sockaddr_in));
sin.sin_family = AF_INET;
sin.sin_port = htons(G2_EXTERNAL_PORT);
sin.sin_addr.s_addr = inet_addr(G2_EXTERNAL_IP);
if (bind(g2_sock,(struct sockaddr *)&sin,sizeof(struct sockaddr_in)) != 0) {
traceit("Failed to bind g2 socket on port %d, errno=%d\n",G2_EXTERNAL_PORT,errno);
close(g2_sock);
g2_sock = -1;
return 1;
}
return 0;
}
/* Create the 19000 internal port */
static int srv_open()
{
struct sockaddr_in sin;
srv_sock = socket(PF_INET,SOCK_DGRAM,0);
if (srv_sock == -1) {
traceit("Failed to create srv socket,errno=%d\n",errno);
return 1;
}
fcntl(srv_sock,F_SETFL,O_NONBLOCK);
memset(&sin,0,sizeof(struct sockaddr_in));
sin.sin_family = AF_INET;
sin.sin_port = htons(G2_INTERNAL_PORT);
sin.sin_addr.s_addr = inet_addr(G2_INTERNAL_IP);
if (bind(srv_sock,(struct sockaddr *)&sin,sizeof(struct sockaddr_in)) != 0) {
traceit("Failed to bind srv socket on port %d, errno=%d\n",
G2_INTERNAL_PORT,errno);
close(srv_sock);
srv_sock = -1;
return 1;
}
return 0;
}
/* receive data from the irc server and save it */
static void *get_irc_data(void *arg)
{
struct timespec req;
wxString user;
wxString rptr;
wxString gateway;
wxString ipaddr;
DSTAR_PROTOCOL proto;
IRCDDB_RESPONSE_TYPE type;
int rc = 0;
struct sigaction act;
short threshold = 0;
short THRESHOLD_MAX = 100;
short last_status = 0;
arg = arg;
act.sa_handler = sigCatch;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
if (sigaction(SIGTERM, &act, 0) != 0) {
traceit("sigaction-TERM failed, error=%d\n", errno);
traceit("get_irc_data thread exiting...\n");
keep_running = false;
pthread_exit(NULL);
}
if (sigaction(SIGINT, &act, 0) != 0) {
traceit("sigaction-INT failed, error=%d\n", errno);
traceit("get_irc_data thread exiting...\n");
keep_running = false;
pthread_exit(NULL);
}
if (sigaction(SIGPIPE, &act, 0) != 0) {
traceit("sigaction-PIPE failed, error=%d\n", errno);
traceit("get_irc_data thread exiting...\n");
keep_running = false;
pthread_exit(NULL);
}
while (keep_running) {
threshold ++;
if (threshold >= THRESHOLD_MAX) {
rc = ii->getConnectionState();
if ((rc == 0) || (rc == 10)) {
if (last_status != 0) {
traceit("irc status=%d, probable disconnect...\n", rc);
last_status = 0;
}
} else if (rc == 7) {
if (last_status != 2) {
traceit("irc status=%d, probable connect...\n", rc);
last_status = 2;
}
} else {
if (last_status != 1) {
traceit("irc status=%d, probable connect...\n", rc);
last_status = 1;
}
}
threshold = 0;
}
while (((type = ii->getMessageType()) != IDRT_NONE) && keep_running) {
if (type == IDRT_USER) {
ii->receiveUser(user, rptr, gateway, ipaddr);
if (!user.IsEmpty()) {
if (!rptr.IsEmpty() && !gateway.IsEmpty() && !ipaddr.IsEmpty()) {
if (IRC_DEBUG)
traceit("C-u:%s,%s,%s,%s\n", user.mb_str(), rptr.mb_str(), gateway.mb_str(), ipaddr.mb_str());
pthread_mutex_lock(&irc_data_mutex);
user2rptr_map[user] = rptr;
rptr2gwy_map[rptr] = gateway;
gwy2ip_map[gateway] = ipaddr;
pthread_mutex_unlock(&irc_data_mutex);
// traceit("%d users, %d repeaters, %d gateways\n", user2rptr_map.size(), rptr2gwy_map.size(), gwy2ip_map.size());
}
}
} else if (type == IDRT_REPEATER) {
ii->receiveRepeater(rptr, gateway, ipaddr, proto);
if (!rptr.IsEmpty()) {
if (!gateway.IsEmpty() && !ipaddr.IsEmpty()) {
if (IRC_DEBUG)
traceit("C-r:%s,%s,%s\n", rptr.mb_str(), gateway.mb_str(), ipaddr.mb_str());
pthread_mutex_lock(&irc_data_mutex);
rptr2gwy_map[rptr] = gateway;
gwy2ip_map[gateway] = ipaddr;
pthread_mutex_unlock(&irc_data_mutex);
// traceit("%d repeaters, %d gateways\n", rptr2gwy_map.size(), gwy2ip_map.size());
}
}
} else if (type == IDRT_GATEWAY) {
ii->receiveGateway(gateway, ipaddr, proto);
if (!gateway.IsEmpty() && !ipaddr.IsEmpty()) {
if (IRC_DEBUG)
traceit("C-g:%s,%s\n", gateway.mb_str(),ipaddr.mb_str());
pthread_mutex_lock(&irc_data_mutex);
gwy2ip_map[gateway] = ipaddr;
pthread_mutex_unlock(&irc_data_mutex);
// traceit("%d gateways\n", gwy2ip_map.size());
}
}
}
req.tv_sec = 0;
req.tv_nsec = 500000000; // 500 milli
nanosleep(&req, NULL);
}
traceit("get_irc_data thread exiting...\n");
pthread_exit(NULL);
}
/* return codes: 0=OK(found it), 1=TRY AGAIN, 2=FAILED(bad data) */
static int get_yrcall_rptr_from_cache(char *call, char *arearp_cs, char *zonerp_cs,
char *mod, char *ip, char RoU)
{
user2rptr_type::iterator user_pos = user2rptr_map.end();
rptr2gwy_type::iterator rptr_pos = rptr2gwy_map.end();
gwy2ip_type::iterator gwy_pos = gwy2ip_map.end();
char temp[CALL_SIZE + 1];
memset(arearp_cs, ' ', CALL_SIZE);
arearp_cs[CALL_SIZE] = '\0';
memset(zonerp_cs, ' ', CALL_SIZE);
zonerp_cs[CALL_SIZE] = '\0';
*mod = ' ';
/* find the user in the CACHE */
if (RoU == 'U') {
user_pos = user2rptr_map.find(call);
if (user_pos != user2rptr_map.end()) {
memcpy(arearp_cs, user_pos->second.c_str(), 7);
*mod = user_pos->second.c_str()[7];
} else
return 1;
} else if (RoU == 'R') {
memcpy(arearp_cs, call, 7);
*mod = call[7];
} else {
traceit("Invalid specification %c for RoU\n", RoU);
return 2;
}
if ((*mod != 'A') && (*mod != 'B') && (*mod != 'C')) {
traceit("Invalid module %c\n", *mod);
return 2;
}
memcpy(temp, arearp_cs, 7);
temp[7] = *mod;
temp[CALL_SIZE] = '\0';
rptr_pos = rptr2gwy_map.find(temp);
if (rptr_pos != rptr2gwy_map.end()) {
memcpy(zonerp_cs, rptr_pos->second.c_str(), CALL_SIZE);
zonerp_cs[CALL_SIZE] = '\0';
gwy_pos = gwy2ip_map.find(zonerp_cs);
if (gwy_pos != gwy2ip_map.end()) {
strncpy(ip, gwy_pos->second.c_str(),IP_SIZE);
ip[IP_SIZE] = '\0';
return 0;
} else {
/* traceit("Could not find IP for Gateway %s\n", zonerp_cs); */
return 1;
}
} else {
/* traceit("Could not find Gateway for repeater %s\n", temp); */
return 1;
}
return 2;
}
static bool get_yrcall_rptr(char *call, char *arearp_cs, char *zonerp_cs,
char *mod, char *ip, char RoU)
{
int rc = 2;
int status = 0;
pthread_mutex_lock(&irc_data_mutex);
rc = get_yrcall_rptr_from_cache(call, arearp_cs, zonerp_cs, mod, ip, RoU);
pthread_mutex_unlock(&irc_data_mutex);
if (rc == 0)
return true;
else if (rc == 2)
return false;
/* at this point, the data is not in cache */
/* report the irc status */
status = ii->getConnectionState();
// traceit("irc status=%d\n", status);
if (status != 7) {
traceit("Remote irc database not ready, irc status is not 7, try again\n");
return false;
}
/* request data from irc server */
if (RoU == 'U') {
traceit("User [%s] not in local cache, try again\n", call);
/*** YRCALL=KJ4NHFBL ***/
if (((call[6] == 'A') || (call[6] == 'B') || (call[6] == 'C')) &&
(call[7] == LINK_CODE))
traceit("If this was a gateway link request, that is ok\n");
if (!ii->findUser(call)) {
traceit("findUser(%s): Network error\n", call);
return false;
}
} else if (RoU == 'R') {
traceit("Repeater [%s] not in local cache, try again\n", call);
if (!ii->findRepeater(call)) {
traceit("findRepeater(%s): Network error\n", call);
return false;
}
}
return false;
}
/* signal catching function */
static void sigCatch(int signum)
{
/* do NOT do any serious work here */
if ((signum == SIGTERM) || (signum == SIGINT))
keep_running = false;
return;
}
/* run the main loop for g2_ircddb */
static void runit()
{
fd_set fdset;
struct timeval tv;
socklen_t fromlen;
int recvlen;
int recvlen2;
short i,j;
bool result = false;
int mycall_valid = REG_NOERROR;
char temp_radio_user[CALL_SIZE + 1];
char temp_mod;
time_t t_now;
char arearp_cs[CALL_SIZE + 1];
char zonerp_cs[CALL_SIZE + 1];
char ip[IP_SIZE + 1];
int rc = 0;
char tempfile[FILENAME_MAX + 1];
pthread_t echo_thread;
pthread_attr_t attr;
long num_recs = 0L;
short int rec_len = 56;
pthread_t aprs_beacon_thread;
pthread_t irc_data_thread;
/* START: TEXT crap */
bool new_group[3] = { true, true, true };
int header_type = 0;
short to_print[3] = { 0, 0, 0 };
bool ABC_grp[3] = { false, false, false };
bool C_seen[3] = { false, false, false };
unsigned char tmp_txt[3];
/* END: TEXT crap */
int ber_data[3];
int ber_errs;
int max_nfds = 0;
dstar_dv_init();
if (g2_sock > max_nfds)
max_nfds = g2_sock;
if (srv_sock > max_nfds)
max_nfds = srv_sock;
traceit("g2=%d, srv=%d, MAX+1=%d\n",
g2_sock, srv_sock, max_nfds + 1);
/* start the beacon thread */
if (SEND_APRS) {
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&aprs_beacon_thread,&attr,send_aprs_beacon,(void *)0);
if (rc != 0)
traceit("failed to start the aprs beacon thread\n");
else
traceit("APRS beacon thread started\n");
pthread_attr_destroy(&attr);
}
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&irc_data_thread,&attr,get_irc_data,(void *)0);
if (rc != 0) {
traceit("failed to start the get_irc_data thread\n");
keep_running = false;
} else
traceit("get_irc_data thread started\n");
pthread_attr_destroy(&attr);
ii->kickWatchdog(IRCDDB_VERSION);
while (keep_running) {
for (i = 0; i < 3; i++) {
/* echotest recording timed out? */
if (recd[i].last_time != 0) {
time(&t_now);
if ((t_now - recd[i].last_time) > ECHOTEST_REC_TIMEOUT) {
traceit("Inactivity on echotest recording mod %d, removing stream id=%d,%d\n",
i,recd[i].streamid[0], recd[i].streamid[1]);
recd[i].streamid[0] = 0x00;
recd[i].streamid[1] = 0x00;
recd[i].last_time = 0;
close(recd[i].fd);
recd[i].fd = -1;
// traceit("Closed echotest audio file:[%s]\n", recd[i].file);
/* START: echotest thread setup */
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&echo_thread, &attr, echotest, (void *)recd[i].file);
if (rc != 0) {
traceit("failed to start echotest thread\n");
/* when the echotest thread runs, it deletes the file,
Because the echotest thread did NOT start, we delete the file here
*/
unlink(recd[i].file);
}
pthread_attr_destroy(&attr);
/* END: echotest thread setup */
}
}
/* voicemail recording timed out? */
if (vm[i].last_time != 0) {
time(&t_now);
if ((t_now - vm[i].last_time) > VOICEMAIL_REC_TIMEOUT) {
traceit("Inactivity on voicemail recording mod %d, removing stream id=%d,%d\n",
i,vm[i].streamid[0], vm[i].streamid[1]);
vm[i].streamid[0] = 0x00;
vm[i].streamid[1] = 0x00;
vm[i].last_time = 0;
close(vm[i].fd);
vm[i].fd = -1;
// traceit("Closed voicemail audio file:[%s]\n", vm[i].file);
}
}
/* any stream going to local repeater timed out? */
if (toRptr[i].last_time != 0) {
time(&t_now);
/*
The stream can be from a cross-band, or from a remote system,
so we could use either FROM_LOCAL_RPTR_TIMEOUT or FROM_REMOTE_G2_TIMEOUT
but FROM_REMOTE_G2_TIMEOUT makes more sense, probably is a bigger number
*/
if ((t_now - toRptr[i].last_time) > FROM_REMOTE_G2_TIMEOUT) {
traceit("Inactivity to local rptr mod index %d, removing stream id %d,%d\n",
i, toRptr[i].streamid[0], toRptr[i].streamid[1]);
/*
Send end_of_audio to local repeater.
Let the repeater re-initialize
*/
end_of_audio[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
end_of_audio[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
if (i == 0)
end_of_audio[13] = 0x03;
else if (i == 1)
end_of_audio[13] = 0x01;
else
end_of_audio[13] = 0x02;
end_of_audio[14] = toRptr[i].streamid[0];
end_of_audio[15] = toRptr[i].streamid[1];
end_of_audio[16] = toRptr[i].sequence | 0x40;
for (j = 0; j < 2; j++)
sendto(srv_sock, (char *)end_of_audio,29,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
toRptr[i].G2_COUNTER ++;
toRptr[i].streamid[0] = '\0';
toRptr[i].streamid[1] = '\0';
toRptr[i].adr = 0;
toRptr[i].last_time = 0;
}
}
/* any stream coming from local repeater timed out ? */
if (band_txt[i].last_time != 0) {
time(&t_now);
if ((t_now - band_txt[i].last_time) > FROM_LOCAL_RPTR_TIMEOUT) {
/* This local stream never went to a remote system, so trace the timeout */
if (to_remote_g2[i].toDst4.sin_addr.s_addr == 0)
traceit("Inactivity from local rptr band %d, removing stream id %d,%d\n",
i, band_txt[i].streamID[0], band_txt[i].streamID[1]);
band_txt[i].streamID[0] = 0x00;
band_txt[i].streamID[1] = 0x00;
band_txt[i].flags[0] = 0x00;
band_txt[i].flags[1] = 0x00;
band_txt[i].flags[2] = 0x00;
band_txt[i].lh_mycall[0] = '\0';
band_txt[i].lh_sfx[0] = '\0';
band_txt[i].lh_yrcall[0] = '\0';
band_txt[i].lh_rpt1[0] = '\0';
band_txt[i].lh_rpt2[0] = '\0';
band_txt[i].last_time = 0;
band_txt[i].txt[0] = '\0';
band_txt[i].txt_cnt = 0;
band_txt[i].dest_rptr[0] = '\0';
band_txt[i].num_dv_frames = 0;
band_txt[i].num_dv_silent_frames = 0;
band_txt[i].num_bit_errors = 0;
}
}
/* any stream from local repeater to a remote gateway timed out ? */
if (to_remote_g2[i].toDst4.sin_addr.s_addr != 0) {
time(&t_now);
if ((t_now - to_remote_g2[i].last_time) > FROM_LOCAL_RPTR_TIMEOUT) {
traceit("Inactivity from local rptr mod %d, removing stream id %d,%d\n",
i, to_remote_g2[i].streamid[0], to_remote_g2[i].streamid[1]);
memset(&(to_remote_g2[i].toDst4),0,sizeof(struct sockaddr_in));
to_remote_g2[i].streamid[0] = '\0';
to_remote_g2[i].streamid[1] = '\0';
to_remote_g2[i].last_time = 0;
}
}
}
/* wait 20 ms max */
FD_ZERO(&fdset);
FD_SET(g2_sock,&fdset);
FD_SET(srv_sock,&fdset);
tv.tv_sec = 0;
tv.tv_usec = 20000; /* 20 ms */
(void)select(max_nfds + 1,&fdset,0,0,&tv);
/* process packets coming from remote G2 */
if (FD_ISSET(g2_sock, &fdset)) {
fromlen = sizeof(struct sockaddr_in);
recvlen2 = recvfrom(g2_sock,(char *)readBuffer2,2000,
0,(struct sockaddr *)&fromDst4,&fromlen);
if ( ((recvlen2 == 56) ||
(recvlen2 == 27)) &&
(memcmp(readBuffer2, "DSVT", 4) == 0) &&
((readBuffer2[4] == 0x10) || /* header */
(readBuffer2[4] == 0x20)) && /* details */
(readBuffer2[8] == 0x20)) { /* voice type */
if (recvlen2 == 56) {
/*
Find out the local repeater module IP/port
to send the data to
*/
i = -1;
if (readBuffer2[25] == 'A')
i = 0;
else if (readBuffer2[25] == 'B')
i = 1;
else if (readBuffer2[25] == 'C')
i = 2;
/* valid repeater module? */
if (i >= 0) {
/*
toRptr[i] is active if a remote system is talking to it or
toRptr[i] is receiving data from a cross-band
*/
if ((toRptr[i].last_time == 0) && (band_txt[i].last_time == 0) &&
((readBuffer2[15] == 0x00) ||
(readBuffer2[15] == 0x01) || /* allow the announcements from g2_link */
(readBuffer2[15] == 0x08) ||
(readBuffer2[15] == 0x20) ||
(readBuffer2[15] == 0x28) ||
(readBuffer2[15] == 0x40))) {
if (QSO_DETAILS)
traceit("START from g2: streamID=%d,%d, flags=%02x:%02x:%02x, my=%.8s, sfx=%.4s, ur=%.8s, rpt1=%.8s, rpt2=%.8s, %d bytes fromIP=%s\n",
readBuffer2[12],readBuffer2[13],
readBuffer2[15], readBuffer2[16], readBuffer2[17],
&readBuffer2[42],
&readBuffer2[50], &readBuffer2[34],
&readBuffer2[18], &readBuffer2[26],
recvlen2,inet_ntoa(fromDst4.sin_addr));
memcpy(readBuffer,"DSTR", 4);
readBuffer[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
readBuffer[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
readBuffer[6] = 0x73;
readBuffer[7] = 0x12;
readBuffer[8] = 0x00;
readBuffer[9] = 0x30;
readBuffer[10] = 0x20;
memcpy(readBuffer + 11, readBuffer2 + 9, 47);
sendto(srv_sock, (char *)readBuffer,58,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* save the header */
memcpy(toRptr[i].saved_hdr, readBuffer, 58);
toRptr[i].saved_adr = fromDst4.sin_addr.s_addr;
/* This is the active streamid */
toRptr[i].streamid[0] = readBuffer2[12];
toRptr[i].streamid[1] = readBuffer2[13];
toRptr[i].adr = fromDst4.sin_addr.s_addr;
/* time it, in case stream times out */
time(&toRptr[i].last_time);
/* bump the G2 counter */
toRptr[i].G2_COUNTER ++;
toRptr[i].sequence = readBuffer[16];
}
}
} else {
if ((readBuffer2[14] & 0x40) != 0) {
if (QSO_DETAILS)
traceit("END from g2: streamID=%d,%d, %d bytes from IP=%s\n",
readBuffer2[12],readBuffer2[13],
recvlen2,inet_ntoa(fromDst4.sin_addr));
}
/* find out which repeater module to send the data to */
for (i = 0; i < 3; i++) {
/* streamid match ? */
if ((memcmp(toRptr[i].streamid, readBuffer2 + 12, 2) == 0) &&
(toRptr[i].adr == fromDst4.sin_addr.s_addr)) {
memcpy(readBuffer,"DSTR", 4);
readBuffer[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
readBuffer[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
readBuffer[6] = 0x73;
readBuffer[7] = 0x12;
readBuffer[8] = 0x00;
readBuffer[9] = 0x13;
readBuffer[10] = 0x20;
memcpy(readBuffer + 11, readBuffer2 + 9, 18);
sendto(srv_sock, (char *)readBuffer,29,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* timeit */
time(&toRptr[i].last_time);
/* bump G2 counter */
toRptr[i].G2_COUNTER ++;
toRptr[i].sequence = readBuffer[16];
/* End of stream ? */
if ((readBuffer2[14] & 0x40) != 0) {
/* clear the saved header */
memset(toRptr[i].saved_hdr, 0, sizeof(toRptr[i].saved_hdr));
toRptr[i].saved_adr = 0;
toRptr[i].last_time = 0;
toRptr[i].streamid[0] = '\0';
toRptr[i].streamid[1] = '\0';
toRptr[i].adr = 0;
}
break;
}
}
/* no match ? */
if ((i == 3) && REGEN_HDR) {
/* check if this a continuation of audio that timed out */
if ((readBuffer2[14] & 0x40) != 0)
; /* we do not care about end-of-QSO */
else {
/* for which repeater this stream has timed out ? */
for (i = 0; i < 3; i++) {
/* match saved stream ? */
if ((memcmp(toRptr[i].saved_hdr + 14, readBuffer2 + 12, 2) == 0) &&
(toRptr[i].saved_adr == fromDst4.sin_addr.s_addr)) {
/* repeater module is inactive ? */
if ((toRptr[i].last_time == 0) && (band_txt[i].last_time == 0)) {
traceit("Re-generating header for streamID=%d,%d\n", readBuffer2[12],readBuffer2[13]);
toRptr[i].saved_hdr[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
toRptr[i].saved_hdr[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
/* re-generate/send the header */
sendto(srv_sock, (char *)toRptr[i].saved_hdr,58,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* bump G2 counter */
toRptr[i].G2_COUNTER ++;
/* send this audio packet to repeater */
memcpy(readBuffer,"DSTR", 4);
readBuffer[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
readBuffer[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
readBuffer[6] = 0x73;
readBuffer[7] = 0x12;
readBuffer[8] = 0x00;
readBuffer[9] = 0x13;
readBuffer[10] = 0x20;
memcpy(readBuffer + 11, readBuffer2 + 9, 18);
sendto(srv_sock, (char *)readBuffer,29,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* make sure that any more audio arriving will be accepted */
toRptr[i].streamid[0] = readBuffer2[12];
toRptr[i].streamid[1] = readBuffer2[13];
toRptr[i].adr = fromDst4.sin_addr.s_addr;
/* time it, in case stream times out */
time(&toRptr[i].last_time);
/* bump the G2 counter */
toRptr[i].G2_COUNTER ++;
toRptr[i].sequence = readBuffer[16];
}
break;
}
}
}
}
}
}
FD_CLR (g2_sock,&fdset);
}
/* process data coming from local repeater modules */
if (FD_ISSET(srv_sock, &fdset)) {
fromlen = sizeof(struct sockaddr_in);
recvlen = recvfrom(srv_sock,(char *)readBuffer,2000,
0,(struct sockaddr *)&fromRptr,&fromlen);
/* DV */
if ( ((recvlen == 58) ||
(recvlen == 29) ||
(recvlen == 32)) &&
(readBuffer[6] == 0x73) &&
(readBuffer[7] == 0x12) &&
(memcmp(readBuffer,"DSTR", 4) == 0) &&
(readBuffer[10] == 0x20) &&
(readBuffer[8] == 0x00) &&
((readBuffer[9] == 0x30) || /* 48 bytes follow */
(readBuffer[9] == 0x13) || /* 19 bytes follow */
(readBuffer[9] == 0x16)) ) { /* 22 bytes follow */
if (recvlen == 58) {
if (QSO_DETAILS)
traceit("START from rptr: cntr=%02x %02x, streamID=%d,%d, flags=%02x:%02x:%02x, my=%.8s, sfx=%.4s, ur=%.8s, rpt1=%.8s, rpt2=%.8s, %d bytes fromIP=%s\n",
readBuffer[4], readBuffer[5],
readBuffer[14], readBuffer[15],
readBuffer[17], readBuffer[18], readBuffer[19],
readBuffer + 44, readBuffer + 52, readBuffer + 36,
readBuffer + 28, readBuffer + 20, recvlen, inet_ntoa(fromRptr.sin_addr));
if ((memcmp(readBuffer + 28, OWNER, 7) == 0) && /* rpt1 is this repeater */
/*** (memcmp(readBuffer + 44, OWNER, 7) != 0) && ***/ /* MYCALL is NOT this repeater */
((readBuffer[17] == 0x00) || /* normal */
(readBuffer[17] == 0x08) || /* EMR */
(readBuffer[17] == 0x20) || /* BREAK */
(readBuffer[17] == 0x28))) { /* EMR + BREAK */
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
dtmf_last_frame[i] = 0;
dtmf_counter[i] = 0;
memset(dtmf_buf[i], 0, sizeof(dtmf_buf[i]));
dtmf_buf_count[i] = 0;
/* Initialize the LAST HEARD data for the band */
band_txt[i].streamID[0] = readBuffer[14];
band_txt[i].streamID[1] = readBuffer[15];
band_txt[i].flags[0] = readBuffer[17];
band_txt[i].flags[1] = readBuffer[18];
band_txt[i].flags[2] = readBuffer[19];
memcpy(band_txt[i].lh_mycall, readBuffer + 44, CALL_SIZE);
band_txt[i].lh_mycall[CALL_SIZE] = '\0';
memcpy(band_txt[i].lh_sfx, readBuffer + 52, 4);
band_txt[i].lh_sfx[4] = '\0';
memcpy(band_txt[i].lh_yrcall, readBuffer + 36, CALL_SIZE);
band_txt[i].lh_yrcall[CALL_SIZE] = '\0';
memcpy(band_txt[i].lh_rpt1, readBuffer + 28, CALL_SIZE);
band_txt[i].lh_rpt1[CALL_SIZE] = '\0';
memcpy(band_txt[i].lh_rpt2, readBuffer + 20, CALL_SIZE);
band_txt[i].lh_rpt2[CALL_SIZE] = '\0';
time(&band_txt[i].last_time);
band_txt[i].txt[0] = '\0';
band_txt[i].txt_cnt = 0;
band_txt[i].txt_stats_sent = false;
band_txt[i].dest_rptr[0] = '\0';
/* try to process GPS mode: GPRMC and ID */
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
band_txt[i].gprmc[0] = '\0';
band_txt[i].gpid[0] = '\0';
band_txt[i].is_gps_sent = false;
// band_txt[i].gps_last_time = 0; DO NOT reset it
new_group[i] = true;
to_print[i] = 0;
ABC_grp[i] = false;
band_txt[i].num_dv_frames = 0;
band_txt[i].num_dv_silent_frames = 0;
band_txt[i].num_bit_errors = 0;
/* select the band for aprs processing, and lock on the stream ID */
if (SEND_APRS)
aprs_select_band(i, readBuffer + 14);
}
}
/* Is MYCALL valid ? */
memset(temp_radio_user, ' ', CALL_SIZE);
memcpy(temp_radio_user, readBuffer + 44, 8);
temp_radio_user[CALL_SIZE] = '\0';
mycall_valid = regexec(&preg, temp_radio_user, 0, NULL, 0);
if (mycall_valid == REG_NOERROR)
; // traceit("MYCALL [%s] passed IRC expression validation\n", temp_radio_user);
else {
if (mycall_valid == REG_NOMATCH)
traceit("MYCALL [%s] failed IRC expression validation\n", temp_radio_user);
else
traceit("Failed to validate MYCALL [%s], regexec error=%d\n", temp_radio_user, mycall_valid);
}
/* send data g2_link */
if (mycall_valid == REG_NOERROR)
sendto(srv_sock, (char *)readBuffer, recvlen,0,
(struct sockaddr *)&plug,
sizeof(struct sockaddr_in));
if ((mycall_valid == REG_NOERROR) &&
(memcmp(readBuffer + 36, "XRF", 3) != 0) && /* not a reflector */
(memcmp(readBuffer + 36, "REF", 3) != 0) && /* not a reflector */
(memcmp(readBuffer + 36, "DCS", 3) != 0) && /* not a reflector */
(readBuffer[36] != ' ') && /* must have something */
(memcmp(readBuffer + 36, "CQCQCQ", 6) != 0)) { /* urcall is NOT CQCQCQ */
if ((readBuffer[36] == '/') && /* urcall starts with a slash */
(memcmp(readBuffer + 28, OWNER, 7) == 0) && /* rpt1 is this repeater */
((readBuffer[35] == 'A') ||
(readBuffer[35] == 'B') ||
(readBuffer[35] == 'C')) && /* mod is A,B,C */
(memcmp(readBuffer + 20, OWNER, 7) == 0) && /* rpt2 is this repeater */
(readBuffer[27] == 'G') && /* local Gateway */
/*** (memcmp(readBuffer + 44, OWNER, 7) != 0) && ***/ /* mycall is NOT this repeater */
((readBuffer[17] == 0x00) || /* normal */
(readBuffer[17] == 0x08) || /* EMR */
(readBuffer[17] == 0x20) || /* BK */
(readBuffer[17] == 0x28)) /* EMR + BK */
) {
if (memcmp(readBuffer + 37, OWNER, 6) != 0) { /* the value after the slash in urcall, is NOT this repeater */
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
/* one radio user on a repeater module at a time */
if (to_remote_g2[i].toDst4.sin_addr.s_addr == 0) {
/* YRCALL=/repeater + mod */
/* YRCALL=/KJ4NHFB */
memset(temp_radio_user, ' ', CALL_SIZE);
memcpy(temp_radio_user, readBuffer + 37, 6);
temp_radio_user[6] = ' ';
temp_radio_user[7] = readBuffer[43];
if (temp_radio_user[7] == ' ')
temp_radio_user[7] = 'A';
temp_radio_user[CALL_SIZE] = '\0';
result = get_yrcall_rptr(temp_radio_user, arearp_cs, zonerp_cs, &temp_mod, ip, 'R');
if (result) { /* it is a repeater */
/* set the destination */
memcpy(to_remote_g2[i].streamid, readBuffer + 14, 2);
memset(&(to_remote_g2[i].toDst4),0,sizeof(struct sockaddr_in));
to_remote_g2[i].toDst4.sin_family = AF_INET;
to_remote_g2[i].toDst4.sin_port = htons(G2_EXTERNAL_PORT);
to_remote_g2[i].toDst4.sin_addr.s_addr = inet_addr(ip);
memcpy(readBuffer2, "DSVT", 4);
readBuffer2[4] = 0x10;
readBuffer2[5] = 0x00;
readBuffer2[6] = 0x00;
readBuffer2[7] = 0x00;
readBuffer2[8] = readBuffer[10];
readBuffer2[9] = readBuffer[11];
readBuffer2[10] = readBuffer[12];
readBuffer2[11] = readBuffer[13];
memcpy(readBuffer2 + 12, readBuffer + 14, 44);
/* set rpt1 */
memset(readBuffer2 + 18, ' ', CALL_SIZE);
memcpy(readBuffer2 + 18, arearp_cs, strlen(arearp_cs));
readBuffer2[25] = temp_mod;
/* set rpt2 */
memset(readBuffer2 + 26, ' ', CALL_SIZE);
memcpy(readBuffer2 + 26, zonerp_cs, strlen(zonerp_cs));
readBuffer2[33] = 'G';
/* set yrcall, can NOT let it be slash and repeater + module */
memcpy(readBuffer2 + 34, "CQCQCQ ", 8);
/* set PFCS */
calcPFCS(readBuffer2, 56);
/*
The remote repeater has been set, lets fill in the dest_rptr
so that later we can send that to the LIVE web site
*/
memcpy(band_txt[i].dest_rptr, readBuffer2 + 18, CALL_SIZE);
band_txt[i].dest_rptr[CALL_SIZE] = '\0';
/* send to remote gateway */
for (j = 0; j < 5; j++)
sendto(g2_sock, (char *)readBuffer2, 56,
0,(struct sockaddr *)&(to_remote_g2[i].toDst4),
sizeof(struct sockaddr_in));
traceit("Routing to IP=%s, streamID=%d,%d, my=%.8s, sfx=%.4s, ur=%.8s, rpt1=%.8s, rpt2=%.8s, %d bytes\n",
inet_ntoa(to_remote_g2[i].toDst4.sin_addr),
readBuffer2[12],readBuffer2[13],&readBuffer2[42],
&readBuffer2[50], &readBuffer2[34],
&readBuffer2[18], &readBuffer2[26],
56);
time(&(to_remote_g2[i].last_time));
}
}
}
}
} else if ((memcmp(readBuffer + 36, OWNER, 7) != 0) && /* urcall is not this repeater */
(memcmp(readBuffer + 28, OWNER, 7) == 0) && /* rpt1 is this repeater */
((readBuffer[35] == 'A') ||
(readBuffer[35] == 'B') ||
(readBuffer[35] == 'C')) && /* mod is A,B,C */
(memcmp(readBuffer + 20, OWNER, 7) == 0) && /* rpt2 is this repeater */
(readBuffer[27] == 'G') && /* local Gateway */
/*** (memcmp(readBuffer + 44, OWNER, 7) != 0) && ***/ /* mycall is NOT this repeater */
((readBuffer[17] == 0x00) || /* normal */
(readBuffer[17] == 0x08) || /* EMR */
(readBuffer[17] == 0x20) || /* BK */
(readBuffer[17] == 0x28)) /* EMR + BK */
) {
memset(temp_radio_user, ' ', CALL_SIZE);
memcpy(temp_radio_user, readBuffer + 36, CALL_SIZE);
temp_radio_user[CALL_SIZE] = '\0';
result = get_yrcall_rptr(temp_radio_user, arearp_cs, zonerp_cs, &temp_mod, ip, 'U');
if (result) {
/* destination is a remote system */
if (memcmp(zonerp_cs, OWNER, 7) != 0) {
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
/* one radio user on a repeater module at a time */
if (to_remote_g2[i].toDst4.sin_addr.s_addr == 0) {
/* set the destination */
memcpy(to_remote_g2[i].streamid, readBuffer + 14, 2);
memset(&(to_remote_g2[i].toDst4),0,sizeof(struct sockaddr_in));
to_remote_g2[i].toDst4.sin_family = AF_INET;
to_remote_g2[i].toDst4.sin_port = htons(G2_EXTERNAL_PORT);
to_remote_g2[i].toDst4.sin_addr.s_addr = inet_addr(ip);
memcpy(readBuffer2, "DSVT", 4);
readBuffer2[4] = 0x10;
readBuffer2[5] = 0x00;
readBuffer2[6] = 0x00;
readBuffer2[7] = 0x00;
readBuffer2[8] = readBuffer[10];
readBuffer2[9] = readBuffer[11];
readBuffer2[10] = readBuffer[12];
readBuffer2[11] = readBuffer[13];
memcpy(readBuffer2 + 12, readBuffer + 14, 44);
/* set rpt1 */
memset(readBuffer2 + 18, ' ', CALL_SIZE);
memcpy(readBuffer2 + 18, arearp_cs, strlen(arearp_cs));
readBuffer2[25] = temp_mod;
/* set rpt2 */
memset(readBuffer2 + 26, ' ', CALL_SIZE);
memcpy(readBuffer2 + 26, zonerp_cs, strlen(zonerp_cs));
readBuffer2[33] = 'G';
/* set PFCS */
calcPFCS(readBuffer2, 56);
/*
The remote repeater has been set, lets fill in the dest_rptr
so that later we can send that to the LIVE web site
*/
memcpy(band_txt[i].dest_rptr, readBuffer2 + 18, CALL_SIZE);
band_txt[i].dest_rptr[CALL_SIZE] = '\0';
/* send to remote gateway */
for (j = 0; j < 5; j++)
sendto(g2_sock, (char *)readBuffer2, 56,
0,(struct sockaddr *)&(to_remote_g2[i].toDst4),
sizeof(struct sockaddr_in));
traceit("Routing to IP=%s, streamID=%d,%d, my=%.8s, sfx=%.4s, ur=%.8s, rpt1=%.8s, rpt2=%.8s, %d bytes\n",
inet_ntoa(to_remote_g2[i].toDst4.sin_addr),
readBuffer2[12],readBuffer2[13],&readBuffer2[42],
&readBuffer2[50], &readBuffer2[34],
&readBuffer2[18], &readBuffer2[26],
56);
time(&(to_remote_g2[i].last_time));
}
}
} else {
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
/* the user we are trying to contact is on our gateway */
/* make sure they are on a different module */
if (temp_mod != readBuffer[35]) {
/*
The remote repeater has been set, lets fill in the dest_rptr
so that later we can send that to the LIVE web site
*/
memcpy(band_txt[i].dest_rptr, readBuffer + 20, CALL_SIZE);
band_txt[i].dest_rptr[7] = temp_mod;
band_txt[i].dest_rptr[CALL_SIZE] = '\0';
i = -1;
if (temp_mod == 'A')
i = 0;
else if (temp_mod == 'B')
i = 1;
else if (temp_mod == 'C')
i = 2;
/* valid destination repeater module? */
if (i >= 0) {
/*
toRptr[i] : receiving from a remote system or cross-band
band_txt[i] : local RF is talking.
*/
if ((toRptr[i].last_time == 0) && (band_txt[i].last_time == 0)) {
traceit("CALLmode cross-banding from mod %c to %c\n", readBuffer[35], temp_mod);
readBuffer[27] = temp_mod;
readBuffer[35] = 'G';
calcPFCS(readBuffer, 58);
sendto(srv_sock, (char *)readBuffer,58,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* This is the active streamid */
toRptr[i].streamid[0] = readBuffer[14];
toRptr[i].streamid[1] = readBuffer[15];
toRptr[i].adr = fromRptr.sin_addr.s_addr;
/* time it, in case stream times out */
time(&toRptr[i].last_time);
/* bump the G2 counter */
toRptr[i].G2_COUNTER ++;
toRptr[i].sequence = readBuffer[16];
}
}
} else
traceit("icom rule: no routing from %.8s to %s%c\n", readBuffer + 28, arearp_cs,temp_mod);
}
}
}
}
} else if ((readBuffer[43] == '0') &&
(readBuffer[42] == CLEAR_VM_CODE) &&
(readBuffer[36] == ' ')) {
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
/* voicemail file is closed */
if ((vm[i].fd == -1) && (vm[i].file[0] != '\0')) {
unlink(vm[i].file);
traceit("removed voicemail file: %s\n", vm[i].file);
vm[i].file[0] = '\0';
} else
traceit("No voicemail to clear or still recording\n");
}
} else if ((readBuffer[43] == '0') &&
(readBuffer[42] == RECALL_VM_CODE) &&
(readBuffer[36] == ' ')) {
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
/* voicemail file is closed */
if ((vm[i].fd == -1) && (vm[i].file[0] != '\0')) {
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&echo_thread, &attr, echotest, (void *)vm[i].file);
if (rc != 0)
traceit("failed to start playing back voicemail\n");
pthread_attr_destroy(&attr);
} else
traceit("No voicemail to recall or still recording\n");
}
} else if ((readBuffer[43] == '0') &&
(readBuffer[42] == STORE_VM_CODE) &&
(readBuffer[36] == ' ')) {
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
if (vm[i].fd >= 0)
traceit("Already recording for voicemail on mod %d\n", i);
else {
memset(tempfile, '\0', sizeof(tempfile));
snprintf(tempfile, FILENAME_MAX, "%s/%c_%s",
ECHOTEST_DIR,
readBuffer[35],
"voicemail.dat");
vm[i].fd = open(tempfile,
O_CREAT | O_WRONLY | O_TRUNC | O_APPEND,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (vm[i].fd < 0)
traceit("Failed to create file %s for voicemail\n", tempfile);
else {
strcpy(vm[i].file, tempfile);
traceit("Recording mod %c for voicemail into file:[%s]\n",
readBuffer[35],
vm[i].file);
time(&vm[i].last_time);
memcpy(vm[i].streamid, readBuffer + 14, 2);
memcpy(recbuf, "DSVT", 4);
recbuf[4] = 0x10;
recbuf[5] = 0x00;
recbuf[6] = 0x00;
recbuf[7] = 0x00;
recbuf[8] = readBuffer[10];
recbuf[9] = readBuffer[11];
recbuf[10] = readBuffer[12];
recbuf[11] = readBuffer[13];
memcpy(recbuf + 12, readBuffer + 14, 44);
memset(recbuf + 18, ' ', CALL_SIZE);
memcpy(recbuf + 18, OWNER, strlen(OWNER));
recbuf[25] = readBuffer[35];
memset(recbuf + 26, ' ', CALL_SIZE);
memcpy(recbuf + 26, OWNER, strlen(OWNER));
recbuf[33] = 'G';
memcpy(recbuf + 34, "CQCQCQ ", 8);
calcPFCS(recbuf,56);
rec_len = 56;
(void)write(vm[i].fd, "DVTOOL", 6);
(void)write(vm[i].fd, &num_recs, 4);
(void)write(vm[i].fd, &rec_len, 2);
(void)write(vm[i].fd, (char *)recbuf, rec_len);
}
}
}
} else if ((readBuffer[43] == ECHO_CODE) &&
(readBuffer[36] == ' ')) {
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
if (recd[i].fd >= 0)
traceit("Already recording for echotest on mod %d\n", i);
else {
memset(tempfile, '\0', sizeof(tempfile));
snprintf(tempfile, FILENAME_MAX, "%s/%c_%s",
ECHOTEST_DIR,
readBuffer[35],
"echotest.dat");
recd[i].fd = open(tempfile,
O_CREAT | O_WRONLY | O_EXCL | O_TRUNC | O_APPEND,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (recd[i].fd < 0)
traceit("Failed to create file %s for echotest\n", tempfile);
else {
strcpy(recd[i].file, tempfile);
traceit("Recording mod %c for echotest into file:[%s]\n",
readBuffer[35],
recd[i].file);
time(&recd[i].last_time);
memcpy(recd[i].streamid, readBuffer + 14, 2);
memcpy(recbuf, "DSVT", 4);
recbuf[4] = 0x10;
recbuf[5] = 0x00;
recbuf[6] = 0x00;
recbuf[7] = 0x00;
recbuf[8] = readBuffer[10];
recbuf[9] = readBuffer[11];
recbuf[10] = readBuffer[12];
recbuf[11] = readBuffer[13];
memcpy(recbuf + 12, readBuffer + 14, 44);
memset(recbuf + 18, ' ', CALL_SIZE);
memcpy(recbuf + 18, OWNER, strlen(OWNER));
recbuf[25] = readBuffer[35];
memset(recbuf + 26, ' ', CALL_SIZE);
memcpy(recbuf + 26, OWNER, strlen(OWNER));
recbuf[33] = 'G';
memcpy(recbuf + 34, "CQCQCQ ", 8);
calcPFCS(recbuf,56);
rec_len = 56;
(void)write(recd[i].fd, "DVTOOL", 6);
(void)write(recd[i].fd, &num_recs, 4);
(void)write(recd[i].fd, &rec_len, 2);
(void)write(recd[i].fd, (char *)recbuf, rec_len);
}
}
}
} else
/* check for cross-banding */
if ((memcmp(readBuffer + 36, "CQCQCQ", 6) == 0) && /* yrcall is CQCQCQ */
(memcmp(readBuffer + 28, OWNER, 7) == 0) && /* rpt1 is this repeater */
(memcmp(readBuffer + 20, OWNER, 7) == 0) && /* rpt2 is this repeater */
((readBuffer[35] == 'A') ||
(readBuffer[35] == 'B') ||
(readBuffer[35] == 'C')) && /* mod of rpt1 is A,B,C */
((readBuffer[27] == 'A') ||
(readBuffer[27] == 'B') ||
(readBuffer[27] == 'C')) && /* !!! usually a G of rpt2, but we see A,B,C */
(readBuffer[35] != readBuffer[27])) { /* cross-banding? make sure NOT the same */
i = -1;
if (readBuffer[35] == 'A')
i = 0;
else if (readBuffer[35] == 'B')
i = 1;
else if (readBuffer[35] == 'C')
i = 2;
if (i >= 0) {
/*
The remote repeater has been set, lets fill in the dest_rptr
so that later we can send that to the LIVE web site
*/
memcpy(band_txt[i].dest_rptr, readBuffer + 20, CALL_SIZE);
band_txt[i].dest_rptr[CALL_SIZE] = '\0';
}
i = -1;
if (readBuffer[27] == 'A')
i = 0;
else if (readBuffer[27] == 'B')
i = 1;
else if (readBuffer[27] == 'C')
i = 2;
/* valid destination repeater module? */
if (i >= 0) {
/*
toRptr[i] : receiving from a remote system or cross-band
band_txt[i] : local RF is talking.
*/
if ((toRptr[i].last_time == 0) && (band_txt[i].last_time == 0)) {
traceit("ZONEmode cross-banding from mod %c to %c\n", readBuffer[35], readBuffer[27]);
readBuffer[35] = 'G';
calcPFCS(readBuffer, 58);
sendto(srv_sock, (char *)readBuffer,58,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* This is the active streamid */
toRptr[i].streamid[0] = readBuffer[14];
toRptr[i].streamid[1] = readBuffer[15];
toRptr[i].adr = fromRptr.sin_addr.s_addr;
/* time it, in case stream times out */
time(&toRptr[i].last_time);
/* bump the G2 counter */
toRptr[i].G2_COUNTER ++;
toRptr[i].sequence = readBuffer[16];
}
}
}
} else {
for (i = 0; i < 3; i++) {
if (memcmp(band_txt[i].streamID, readBuffer + 14, 2) == 0) {
time(&band_txt[i].last_time);
if ((readBuffer[16] & 0x40) != 0) {
if (dtmf_buf_count[i] > 0) {
memset(DTMF_FILE, 0, sizeof(DTMF_FILE));
snprintf(DTMF_FILE, FILENAME_MAX, "%s/%d_mod_DTMF_NOTIFY", DTMF_DIR, i);
if (DTMF_DEBUG)
traceit("Saving dtmfs=[%s] into file: [%s]\n", dtmf_buf[i], DTMF_FILE);
dtmf_fp = fopen(DTMF_FILE, "w");
if (!dtmf_fp)
traceit("Failed to create dtmf file %s\n", DTMF_FILE);
else {
fprintf(dtmf_fp, "%s\n%s", dtmf_buf[i], band_txt[i].lh_mycall);
fclose(dtmf_fp);
dtmf_fp = NULL;
}
memset(dtmf_buf[i], 0, sizeof(dtmf_buf[i]));
dtmf_buf_count[i] = 0;
dtmf_counter[i] = 0;
dtmf_last_frame[i] = 0;
}
ii->sendHeardWithTXStats(band_txt[i].lh_mycall,
band_txt[i].lh_sfx,
(strstr(band_txt[i].lh_yrcall,"REF") == NULL)?band_txt[i].lh_yrcall:"CQCQCQ ",
band_txt[i].lh_rpt1,
band_txt[i].lh_rpt2,
band_txt[i].flags[0],
band_txt[i].flags[1],
band_txt[i].flags[2],
band_txt[i].num_dv_frames,
band_txt[i].num_dv_silent_frames,
band_txt[i].num_bit_errors);
band_txt[i].streamID[0] = 0x00;
band_txt[i].streamID[1] = 0x00;
band_txt[i].flags[0] = 0x00;
band_txt[i].flags[1] = 0x00;
band_txt[i].flags[2] = 0x00;
band_txt[i].lh_mycall[0] = '\0';
band_txt[i].lh_sfx[0] = '\0';
band_txt[i].lh_yrcall[0] = '\0';
band_txt[i].lh_rpt1[0] = '\0';
band_txt[i].lh_rpt2[0] = '\0';
band_txt[i].last_time = 0;
band_txt[i].txt[0] = '\0';
band_txt[i].txt_cnt = 0;
band_txt[i].dest_rptr[0] = '\0';
band_txt[i].num_dv_frames = 0;
band_txt[i].num_dv_silent_frames = 0;
band_txt[i].num_bit_errors = 0;
} else {
ber_errs = dstar_dv_decode(readBuffer + 17, ber_data);
if (ber_data[0] == 0xf85)
band_txt[i].num_dv_silent_frames ++;
band_txt[i].num_bit_errors += ber_errs;
band_txt[i].num_dv_frames ++;
if ((ber_data[0] & 0x0ffc) == 0xfc0) {
dtmf_digit = (ber_data[0] & 0x03) | ((ber_data[2] & 0x60) >> 3);
if (dtmf_counter[i] > 0) {
if (dtmf_last_frame[i] != dtmf_digit)
dtmf_counter[i] = 0;
}
dtmf_last_frame[i] = dtmf_digit;
dtmf_counter[i] ++;
if ((dtmf_counter[i] == 5) && (dtmf_digit >= 0) && (dtmf_digit <= 15)) {
if (dtmf_buf_count[i] < MAX_DTMF_BUF) {
dtmf_buf[i][ dtmf_buf_count[i] ] = dtmf_chars[dtmf_digit];
dtmf_buf_count[i] ++;
}
}
memcpy(readBuffer + 17, silence, 9);
} else
dtmf_counter[i] = 0;
}
break;
}
}
if (recvlen == 29)
memcpy(tmp_txt, readBuffer + 26, 3);
else
memcpy(tmp_txt, readBuffer + 29, 3);
// traceit("%x%x%x\n", tmp_txt[0], tmp_txt[1], tmp_txt[2]);
// traceit("%c%c%c\n", tmp_txt[0] ^ 0x70, tmp_txt[1] ^ 0x4f, tmp_txt[2] ^ 0x93);
/* extract 20-byte RADIO ID */
if ((tmp_txt[0] != 0x55) || (tmp_txt[1] != 0x2d) || (tmp_txt[2] != 0x16)) {
// traceit("%x%x%x\n", tmp_txt[0], tmp_txt[1], tmp_txt[2]);
// traceit("%c%c%c\n", tmp_txt[0] ^ 0x70, tmp_txt[1] ^ 0x4f, tmp_txt[2] ^ 0x93);
for (i = 0; i < 3; i++) {
if (memcmp(band_txt[i].streamID, readBuffer + 14, 2) == 0) {
if (new_group[i]) {
tmp_txt[0] = tmp_txt[0] ^ 0x70;
header_type = tmp_txt[0] & 0xf0;
if ((header_type == 0x50) || /* header */
(header_type == 0xc0)) { /* squelch */
new_group[i] = false;
to_print[i] = 0;
ABC_grp[i] = false;
} else if (header_type == 0x30) { /* GPS or GPS id or APRS */
new_group[i] = false;
to_print[i] = tmp_txt[0] & 0x0f;
ABC_grp[i] = false;
if (to_print[i] > 5)
to_print[i] = 5;
else if (to_print[i] < 1)
to_print[i] = 1;
if ((to_print[i] > 1) && (to_print[i] <= 5)) {
/* something went wrong? all bets are off */
if (band_txt[i].temp_line_cnt > 200) {
traceit("Reached the limit in the OLD gps mode\n");
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
/* fresh GPS string, re-initialize */
if ((to_print[i] == 5) && ((tmp_txt[1] ^ 0x4f) == '$')) {
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
/* do not copy CR, NL */
if (((tmp_txt[1] ^ 0x4f) != '\r') && ((tmp_txt[1] ^ 0x4f) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[1] ^ 0x4f;
band_txt[i].temp_line_cnt++;
}
if (((tmp_txt[2] ^ 0x93) != '\r') && ((tmp_txt[2] ^ 0x93) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[2] ^ 0x93;
band_txt[i].temp_line_cnt++;
}
if (((tmp_txt[1] ^ 0x4f) == '\r') || ((tmp_txt[2] ^ 0x93) == '\r')) {
if (memcmp(band_txt[i].temp_line, "$GPRMC", 6) == 0) {
memcpy(band_txt[i].gprmc, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gprmc[band_txt[i].temp_line_cnt] = '\0';
} else if (band_txt[i].temp_line[0] != '$') {
memcpy(band_txt[i].gpid, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gpid[band_txt[i].temp_line_cnt] = '\0';
if (SEND_APRS && !band_txt[i].is_gps_sent)
gps_send(i);
}
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
} else if (((tmp_txt[1] ^ 0x4f) == '\n') || ((tmp_txt[2] ^ 0x93) == '\n')) {
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
to_print[i] -= 2;
} else {
/* something went wrong? all bets are off */
if (band_txt[i].temp_line_cnt > 200) {
traceit("Reached the limit in the OLD gps mode\n");
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
/* do not copy CR, NL */
if (((tmp_txt[1] ^ 0x4f) != '\r') && ((tmp_txt[1] ^ 0x4f) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[1] ^ 0x4f;
band_txt[i].temp_line_cnt++;
}
if ((tmp_txt[1] ^ 0x4f) == '\r') {
if (memcmp(band_txt[i].temp_line, "$GPRMC", 6) == 0) {
memcpy(band_txt[i].gprmc, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gprmc[band_txt[i].temp_line_cnt] = '\0';
} else if (band_txt[i].temp_line[0] != '$') {
memcpy(band_txt[i].gpid, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gpid[band_txt[i].temp_line_cnt] = '\0';
if (SEND_APRS && !band_txt[i].is_gps_sent)
gps_send(i);
}
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
} else if ((tmp_txt[1] ^ 0x4f) == '\n') {
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
to_print[i] --;
}
} else if (header_type == 0x40) { /* ABC text */
new_group[i] = false;
to_print[i] = 3;
ABC_grp[i] = true;
C_seen[i] = ((tmp_txt[0] & 0x0f) == 0x03)?true:false;
band_txt[i].txt[band_txt[i].txt_cnt] = tmp_txt[1] ^ 0x4f;
band_txt[i].txt_cnt++;
band_txt[i].txt[band_txt[i].txt_cnt] = tmp_txt[2] ^ 0x93;
band_txt[i].txt_cnt++;
/*
We should NOT see any more text,
if we already processed text,
so blank out the codes.
*/
if (band_txt[i].txt_stats_sent) {
if (recvlen == 29) {
readBuffer[26] = 0x70;
readBuffer[27] = 0x4f;
readBuffer[28] = 0x93;
} else {
readBuffer[29] = 0x70;
readBuffer[30] = 0x4f;
readBuffer[31] = 0x93;
}
}
if (band_txt[i].txt_cnt >= 20) {
band_txt[i].txt[band_txt[i].txt_cnt] = '\0';
/***
ii->sendHeardWithTXMsg(band_txt[i].lh_mycall,
band_txt[i].lh_sfx,
(strstr(band_txt[i].lh_yrcall,"REF") == NULL)?band_txt[i].lh_yrcall:"CQCQCQ ",
band_txt[i].lh_rpt1,
band_txt[i].lh_rpt2,
band_txt[i].flags[0],
band_txt[i].flags[1],
band_txt[i].flags[2],
band_txt[i].dest_rptr,
band_txt[i].txt);
***/
// traceit("TEXT1=[%s]\n", band_txt[i].txt);
band_txt[i].txt_cnt = 0;
}
} else {
new_group[i] = false;
to_print[i] = 0;
ABC_grp[i] = false;
}
} else {
if (to_print[i] == 3) {
if (ABC_grp[i]) {
band_txt[i].txt[band_txt[i].txt_cnt] = tmp_txt[0] ^ 0x70;
band_txt[i].txt_cnt ++;
band_txt[i].txt[band_txt[i].txt_cnt] = tmp_txt[1] ^ 0x4f;
band_txt[i].txt_cnt ++;
band_txt[i].txt[band_txt[i].txt_cnt] = tmp_txt[2] ^ 0x93;
band_txt[i].txt_cnt ++;
/*
We should NOT see any more text,
if we already processed text,
so blank out the codes.
*/
if (band_txt[i].txt_stats_sent) {
if (recvlen == 29) {
readBuffer[26] = 0x70;
readBuffer[27] = 0x4f;
readBuffer[28] = 0x93;
} else {
readBuffer[29] = 0x70;
readBuffer[30] = 0x4f;
readBuffer[31] = 0x93;
}
}
if ((band_txt[i].txt_cnt >= 20) || C_seen[i]) {
band_txt[i].txt[band_txt[i].txt_cnt] = '\0';
if (!band_txt[i].txt_stats_sent) {
/*** if YRCALL is CQCQCQ, set dest_rptr ***/
if (memcmp(band_txt[i].lh_yrcall, "CQCQCQ", 6) == 0) {
set_dest_rptr(i, band_txt[i].dest_rptr);
if (memcmp(band_txt[i].dest_rptr, "REF", 3) == 0)
band_txt[i].dest_rptr[0] = '\0';
}
ii->sendHeardWithTXMsg(band_txt[i].lh_mycall,
band_txt[i].lh_sfx,
(strstr(band_txt[i].lh_yrcall,"REF") == NULL)?band_txt[i].lh_yrcall:"CQCQCQ ",
band_txt[i].lh_rpt1,
band_txt[i].lh_rpt2,
band_txt[i].flags[0],
band_txt[i].flags[1],
band_txt[i].flags[2],
band_txt[i].dest_rptr,
band_txt[i].txt);
// traceit("TEXT2=[%s], destination repeater=[%s]\n", band_txt[i].txt, band_txt[i].dest_rptr);
band_txt[i].txt_stats_sent = true;
}
band_txt[i].txt_cnt = 0;
}
if (C_seen[i])
C_seen[i] = false;
} else {
/* something went wrong? all bets are off */
if (band_txt[i].temp_line_cnt > 200) {
traceit("Reached the limit in the OLD gps mode\n");
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
/* do not copy CR, NL */
if (((tmp_txt[0] ^ 0x70) != '\r') && ((tmp_txt[0] ^ 0x70) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[0] ^ 0x70;
band_txt[i].temp_line_cnt++;
}
if (((tmp_txt[1] ^ 0x4f) != '\r') && ((tmp_txt[1] ^ 0x4f) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[1] ^ 0x4f;
band_txt[i].temp_line_cnt++;
}
if (((tmp_txt[2] ^ 0x93) != '\r') && ((tmp_txt[2] ^ 0x93) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[2] ^ 0x93;
band_txt[i].temp_line_cnt++;
}
if (
((tmp_txt[0] ^ 0x70) == '\r') ||
((tmp_txt[1] ^ 0x4f) == '\r') ||
((tmp_txt[2] ^ 0x93) == '\r')
) {
if (memcmp(band_txt[i].temp_line, "$GPRMC", 6) == 0) {
memcpy(band_txt[i].gprmc, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gprmc[band_txt[i].temp_line_cnt] = '\0';
} else if (band_txt[i].temp_line[0] != '$') {
memcpy(band_txt[i].gpid, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gpid[band_txt[i].temp_line_cnt] = '\0';
if (SEND_APRS && !band_txt[i].is_gps_sent)
gps_send(i);
}
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
} else if (((tmp_txt[0] ^ 0x70) == '\n') ||
((tmp_txt[1] ^ 0x4f) == '\n') ||
((tmp_txt[2] ^ 0x93) == '\n')) {
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
}
} else if (to_print[i] == 2) {
/* something went wrong? all bets are off */
if (band_txt[i].temp_line_cnt > 200) {
traceit("Reached the limit in the OLD gps mode\n");
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
/* do not copy CR, NL */
if (((tmp_txt[0] ^ 0x70) != '\r') && ((tmp_txt[0] ^ 0x70) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[0] ^ 0x70;
band_txt[i].temp_line_cnt++;
}
if (((tmp_txt[1] ^ 0x4f) != '\r') && ((tmp_txt[1] ^ 0x4f) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[1] ^ 0x4f;
band_txt[i].temp_line_cnt++;
}
if (((tmp_txt[0] ^ 0x70) == '\r') || ((tmp_txt[1] ^ 0x4f) == '\r')) {
if (memcmp(band_txt[i].temp_line, "$GPRMC", 6) == 0) {
memcpy(band_txt[i].gprmc, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gprmc[band_txt[i].temp_line_cnt] = '\0';
} else if (band_txt[i].temp_line[0] != '$') {
memcpy(band_txt[i].gpid, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gpid[band_txt[i].temp_line_cnt] = '\0';
if (SEND_APRS && !band_txt[i].is_gps_sent)
gps_send(i);
}
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
} else if (((tmp_txt[0] ^ 0x70) == '\n') || ((tmp_txt[1] ^ 0x4f) == '\n')) {
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
} else if (to_print[i] == 1) {
/* something went wrong? all bets are off */
if (band_txt[i].temp_line_cnt > 200) {
traceit("Reached the limit in the OLD gps mode\n");
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
/* do not copy CR, NL */
if (((tmp_txt[0] ^ 0x70) != '\r') && ((tmp_txt[0] ^ 0x70) != '\n')) {
band_txt[i].temp_line[band_txt[i].temp_line_cnt] = tmp_txt[0] ^ 0x70;
band_txt[i].temp_line_cnt++;
}
if ((tmp_txt[0] ^ 0x70) == '\r') {
if (memcmp(band_txt[i].temp_line, "$GPRMC", 6) == 0) {
memcpy(band_txt[i].gprmc, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gprmc[band_txt[i].temp_line_cnt] = '\0';
} else if (band_txt[i].temp_line[0] != '$') {
memcpy(band_txt[i].gpid, band_txt[i].temp_line, band_txt[i].temp_line_cnt);
band_txt[i].gpid[band_txt[i].temp_line_cnt] = '\0';
if (SEND_APRS && !band_txt[i].is_gps_sent)
gps_send(i);
}
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
} else if ((tmp_txt[0] ^ 0x70) == '\n') {
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
}
}
new_group[i] = true;
to_print[i] = 0;
ABC_grp[i] = false;
}
break;
}
}
}
/* send data to g2_link */
sendto(srv_sock, (char *)readBuffer, recvlen,0,
(struct sockaddr *)&plug,
sizeof(struct sockaddr_in));
/* aprs processing */
if (SEND_APRS)
aprs_process_text(readBuffer + 14, /* stream ID */
readBuffer[16], /* seq */
readBuffer + 17, /* audio + text */
(recvlen == 29)?12:15); /* size */
for (i = 0; i < 3; i++) {
/* find out if data must go to the remote G2 */
if (memcmp(to_remote_g2[i].streamid, readBuffer + 14, 2) == 0) {
memcpy(readBuffer2, "DSVT", 4);
readBuffer2[4] = 0x20;
readBuffer2[5] = 0x00;
readBuffer2[6] = 0x00;
readBuffer2[7] = 0x00;
readBuffer2[8] = readBuffer[10];
readBuffer2[9] = readBuffer[11];
readBuffer2[10] = readBuffer[12];
readBuffer2[11] = readBuffer[13];
memcpy(readBuffer2 + 12, readBuffer + 14, 3);
if (recvlen == 29)
memcpy(readBuffer2 + 15, readBuffer + 17, 12);
else
memcpy(readBuffer2 + 15, readBuffer + 20, 12);
sendto(g2_sock, (char *)readBuffer2, 27,
0,(struct sockaddr *)&(to_remote_g2[i].toDst4),
sizeof(struct sockaddr_in));
time(&(to_remote_g2[i].last_time));
/* Is this the end-of-stream */
if ((readBuffer[16] & 0x40) != 0) {
memset(&(to_remote_g2[i].toDst4),0,sizeof(struct sockaddr_in));
to_remote_g2[i].streamid[0] = '\0';
to_remote_g2[i].streamid[1] = '\0';
to_remote_g2[i].last_time = 0;
}
break;
} else
/* Is the data to be recorded for echotest */
if ((recd[i].fd >= 0) &&
(memcmp(recd[i].streamid, readBuffer + 14, 2) == 0)) {
time(&recd[i].last_time);
memcpy(recbuf, "DSVT", 4);
recbuf[4] = 0x20;
recbuf[5] = 0x00;
recbuf[6] = 0x00;
recbuf[7] = 0x00;
recbuf[8] = readBuffer[10];
recbuf[9] = readBuffer[11];
recbuf[10] = readBuffer[12];
recbuf[11] = readBuffer[13];
memcpy(recbuf + 12, readBuffer + 14, 3);
if (recvlen == 29)
memcpy(recbuf + 15, readBuffer + 17, 12);
else
memcpy(recbuf + 15, readBuffer + 20, 12);
rec_len = 27;
(void)write(recd[i].fd, &rec_len, 2);
(void)write(recd[i].fd, (char *)recbuf, rec_len);
if ((readBuffer[16] & 0x40) != 0) {
recd[i].streamid[0] = 0x00;
recd[i].streamid[1] = 0x00;
recd[i].last_time = 0;
close(recd[i].fd);
recd[i].fd = -1;
// traceit("Closed echotest audio file:[%s]\n", recd[i].file);
/* we are in echotest mode, so play it back */
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
rc = pthread_create(&echo_thread, &attr, echotest, (void *)recd[i].file);
if (rc != 0) {
traceit("failed to start echotest thread\n");
/*
When the echotest thread runs, it deletes the file,
Because the echotest thread did NOT start, we delete the file here
*/
unlink(recd[i].file);
}
pthread_attr_destroy(&attr);
}
break;
} else
/* Is the data to be recorded for voicemail */
if ((vm[i].fd >= 0) &&
(memcmp(vm[i].streamid, readBuffer + 14, 2) == 0)) {
time(&vm[i].last_time);
memcpy(recbuf, "DSVT", 4);
recbuf[4] = 0x20;
recbuf[5] = 0x00;
recbuf[6] = 0x00;
recbuf[7] = 0x00;
recbuf[8] = readBuffer[10];
recbuf[9] = readBuffer[11];
recbuf[10] = readBuffer[12];
recbuf[11] = readBuffer[13];
memcpy(recbuf + 12, readBuffer + 14, 3);
if (recvlen == 29)
memcpy(recbuf + 15, readBuffer + 17, 12);
else
memcpy(recbuf + 15, readBuffer + 20, 12);
rec_len = 27;
(void)write(vm[i].fd, &rec_len, 2);
(void)write(vm[i].fd, (char *)recbuf, rec_len);
if ((readBuffer[16] & 0x40) != 0) {
vm[i].streamid[0] = 0x00;
vm[i].streamid[1] = 0x00;
vm[i].last_time = 0;
close(vm[i].fd);
vm[i].fd = -1;
// traceit("Closed voicemail audio file:[%s]\n", vm[i].file);
}
break;
} else
/* or maybe this is cross-banding data */
if ((memcmp(toRptr[i].streamid, readBuffer + 14, 2) == 0) &&
(toRptr[i].adr == fromRptr.sin_addr.s_addr)) {
sendto(srv_sock, (char *)readBuffer,29,0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
/* timeit */
time(&toRptr[i].last_time);
/* bump G2 counter */
toRptr[i].G2_COUNTER ++;
toRptr[i].sequence = readBuffer[16];
/* End of stream ? */
if ((readBuffer[16] & 0x40) != 0) {
toRptr[i].last_time = 0;
toRptr[i].streamid[0] = '\0';
toRptr[i].streamid[1] = '\0';
toRptr[i].adr = 0;
}
break;
}
}
if ((readBuffer[16] & 0x40) != 0) {
if (QSO_DETAILS)
traceit("END from rptr: cntr=%02x %02x, streamID=%d,%d, %d bytes\n",
readBuffer[4], readBuffer[5],
readBuffer[14],readBuffer[15],recvlen);
}
}
}
FD_CLR (srv_sock,&fdset);
}
}
}
static void compute_aprs_hash()
{
short hash = 0x73e2;
short i = 0;
short len = 0;
char *p = NULL;
char rptr_sign[CALL_SIZE + 1];
strcpy(rptr_sign, OWNER);
p = strchr(rptr_sign, ' ');
if (!p) {
traceit("Failed to build repeater callsign for aprs hash\n");
return;
}
*p = '\0';
p = rptr_sign;
len = strlen(rptr_sign);
while (i < len) {
hash ^= (*p++) << 8;
hash ^= (*p++);
i += 2;
}
traceit("aprs hash code=[%d] for %s\n", hash, OWNER);
rptr.aprs_hash = hash;
return;
}
static void aprs_open()
{
struct timespec req;
bool ok = false;
fd_set fdset;
struct timeval tv;
short int MAX_WAIT = 15; /* 15 seconds wait time MAX */
int val = 1;
socklen_t val_len;
char snd_buf[512];
char rcv_buf[512];
int rc = 0;
/* do some mimimal checking */
if (rptr.aprs_host[0] == '\0') {
traceit("Invalid value for APRS_HOST\n");
return;
}
if (rptr.aprs_port == 0) {
traceit("Invalid value for APRS_PORT\n");
return;
}
if (rptr.aprs_interval == 0) {
traceit("Invalid value for APRS_INTERVAL\n");
return;
}
ok = resolve_rmt(rptr.aprs_host, SOCK_STREAM, &aprs_addr);
if (!ok) {
traceit("Can not resolve APRS_HOST %s\n", rptr.aprs_host);
return;
}
/* fill it in */
aprs_addr.sin_family = AF_INET;
aprs_addr.sin_port = htons(rptr.aprs_port);
aprs_addr_len = sizeof(aprs_addr);
aprs_sock = socket(PF_INET,SOCK_STREAM,0);
if (aprs_sock == -1) {
traceit("Failed to create aprs socket,error=%d\n",errno);
return;
}
fcntl(aprs_sock,F_SETFL,O_NONBLOCK);
val = 1;
if (setsockopt(aprs_sock,IPPROTO_TCP,TCP_NODELAY,(char *)&val, sizeof(val)) == -1) {
traceit("setsockopt TCP_NODELAY TCP for aprs socket failed,error=%d\n",errno);
close(aprs_sock);
aprs_sock = -1;
return;
}
traceit("Trying to connect to APRS...\n");
rc = connect(aprs_sock, (struct sockaddr *)&aprs_addr, aprs_addr_len);
if (rc != 0) {
if (errno == EINPROGRESS) {
traceit("Waiting for up to %d seconds for APRS_HOST\n", MAX_WAIT);
while (MAX_WAIT > 0) {
tv.tv_sec = 0;
tv.tv_usec = 0;
FD_ZERO(&fdset);
FD_SET(aprs_sock, &fdset);
rc = select(aprs_sock + 1, NULL, &fdset, NULL, &tv);
if (rc < 0) {
traceit("Failed to connect to APRS...select,error=%d\n", errno);
close(aprs_sock);
aprs_sock = -1;
return;
} else if (rc == 0) { /* timeout */
MAX_WAIT--;
sleep(1);
} else {
val = 1; /* Assume it fails */
val_len = sizeof(val);
if (getsockopt(aprs_sock, SOL_SOCKET, SO_ERROR, (char *) &val, &val_len) < 0) {
traceit("Failed to connect to APRS...getsockopt, error=%d\n", errno);
close(aprs_sock);
aprs_sock = -1;
return;
} else if (val == 0)
break;
MAX_WAIT--;
sleep(1);
}
}
if (MAX_WAIT == 0) {
traceit("Failed to connect to APRS...timeout\n");
close(aprs_sock);
aprs_sock = -1;
return;
}
} else {
traceit("Failed to connect to APRS, error=%d\n", errno);
close(aprs_sock);
aprs_sock = -1;
return;
}
}
traceit("Connected to APRS %s:%d\n", rptr.aprs_host, rptr.aprs_port);
/* login to aprs */
sprintf(snd_buf, "user %s pass %d vers g2_ircddb 2.99 UDP 5 ",
OWNER, rptr.aprs_hash);
/* add the user's filter */
if (rptr.aprs_filter[0] != '\0') {
strcat(snd_buf, "filter ");
strcat(snd_buf, rptr.aprs_filter);
}
// traceit("APRS login command:[%s]\n", snd_buf);
strcat(snd_buf, "\r\n");
while (true) {
rc = writen(snd_buf, strlen(snd_buf));
if (rc < 0) {
if (errno == EWOULDBLOCK) {
recv(aprs_sock, rcv_buf, sizeof(rcv_buf), 0);
req.tv_sec = 0;
req.tv_nsec = 100000000; // 100 milli
nanosleep(&req, NULL);
} else {
traceit("APRS login command failed, error=%d\n", errno);
break;
}
} else {
// traceit("APRS login command sent\n");
break;
}
}
recv(aprs_sock, rcv_buf, sizeof(rcv_buf), 0);
return;
}
void *send_aprs_beacon(void *arg)
{
struct timespec req;
int rc;
char snd_buf[512];
char rcv_buf[512];
float tmp_lat;
float tmp_lon;
float lat;
float lon;
char lat_s[15];
char lon_s[15];
time_t last_beacon_time = 0;
time_t last_keepalive_time = 0;
time_t tnow = 0;
short int i;
struct sigaction act;
/*
Every 20 seconds, the remote APRS host sends a KEEPALIVE packet-comment
on the TCP/APRS port.
If we have not received any KEEPALIVE packet-comment after 5 minutes
we must assume that the remote APRS host is down or disappeared
or has dropped the connection. In these cases, we must re-connect.
There are 3 keepalive packets in one minute, or every 20 seconds.
In 5 minutes, we should have received a total of 15 keepalive packets.
*/
short THRESHOLD_COUNTDOWN = 15;
arg = arg;
act.sa_handler = sigCatch;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
if (sigaction(SIGTERM, &act, 0) != 0) {
traceit("sigaction-TERM failed, error=%d\n", errno);
traceit("beacon thread exiting...\n");
pthread_exit(NULL);
}
if (sigaction(SIGINT, &act, 0) != 0) {
traceit("sigaction-INT failed, error=%d\n", errno);
traceit("beacon thread exiting...\n");
pthread_exit(NULL);
}
if (sigaction(SIGPIPE, &act, 0) != 0) {
traceit("sigaction-PIPE failed, error=%d\n", errno);
traceit("beacon thread exiting...\n");
pthread_exit(NULL);
}
time(&last_keepalive_time);
/* This thread is also saying to the APRS_HOST that we are ALIVE */
while (keep_running) {
if (aprs_sock == -1) {
aprs_open();
if (aprs_sock == -1)
sleep(1);
else
THRESHOLD_COUNTDOWN = 15;
}
time(&tnow);
if ((tnow - last_beacon_time) > (rptr.aprs_interval * 60)) {
for (i = 0; i < 3; i++) {
if (rptr.mod[i].desc[0] != '\0') {
tmp_lat = fabs(rptr.mod[i].latitude);
tmp_lon = fabs(rptr.mod[i].longitude);
lat = floor(tmp_lat);
lon = floor(tmp_lon);
lat = (tmp_lat - lat) * 60.0F + lat * 100.0F;
lon = (tmp_lon - lon) * 60.0F + lon * 100.0F;
if (lat >= 1000.0F)
sprintf(lat_s, "%.2f", lat);
else if (lat >= 100.0F)
sprintf(lat_s, "0%.2f", lat);
else if (lat >= 10.0F)
sprintf(lat_s, "00%.2f", lat);
else
sprintf(lat_s, "000%.2f", lat);
if (lon >= 10000.0F)
sprintf(lon_s, "%.2f", lon);
else if (lon >= 1000.0F)
sprintf(lon_s, "0%.2f", lon);
else if (lon >= 100.0F)
sprintf(lon_s, "00%.2f", lon);
else if (lon >= 10.0F)
sprintf(lon_s, "000%.2f", lon);
else
sprintf(lon_s, "0000%.2f", lon);
/* send to aprs */
sprintf(snd_buf, "%s>APJI23,TCPIP*,qAC,%sS:!%s%cD%s%c&RNG%04u %s %s",
rptr.mod[i].call, rptr.mod[i].call,
lat_s, (rptr.mod[i].latitude < 0.0F) ? 'S' : 'N',
lon_s, (rptr.mod[i].longitude < 0.0F) ? 'W' : 'E',
(unsigned int)rptr.mod[i].range, rptr.mod[i].band, rptr.mod[i].desc);
// traceit("APRS Beacon =[%s]\n", snd_buf);
strcat(snd_buf, "\r\n");
while (keep_running) {
if (aprs_sock == -1) {
aprs_open();
if (aprs_sock == -1)
sleep(1);
else
THRESHOLD_COUNTDOWN = 15;
} else {
rc = writen(snd_buf, strlen(snd_buf));
if (rc < 0) {
if ((errno == EPIPE) ||
(errno == ECONNRESET) ||
(errno == ETIMEDOUT) ||
(errno == ECONNABORTED) ||
(errno == ESHUTDOWN) ||
(errno == EHOSTUNREACH) ||
(errno == ENETRESET) ||
(errno == ENETDOWN) ||
(errno == ENETUNREACH) ||
(errno == EHOSTDOWN) ||
(errno == ENOTCONN)) {
traceit("send_aprs_beacon: APRS_HOST closed connection,error=%d\n",errno);
close(aprs_sock);
aprs_sock = -1;
} else if (errno == EWOULDBLOCK) {
req.tv_sec = 0;
req.tv_nsec = 100000000; // 100 milli
nanosleep(&req, NULL);
} else {
/* Cant do nothing about it */
traceit("send_aprs_beacon failed, error=%d\n", errno);
break;
}
} else {
// traceit("APRS beacon sent\n");
break;
}
}
rc = recv(aprs_sock, rcv_buf, sizeof(rcv_buf), 0);
if (rc > 0)
THRESHOLD_COUNTDOWN = 15;
}
}
rc = recv(aprs_sock, rcv_buf, sizeof(rcv_buf), 0);
if (rc > 0)
THRESHOLD_COUNTDOWN = 15;
}
time(&last_beacon_time);
}
/*
Are we still receiving from APRS host ?
*/
rc = recv(aprs_sock, rcv_buf, sizeof(rcv_buf), 0);
if (rc < 0) {
if ((errno == EPIPE) ||
(errno == ECONNRESET) ||
(errno == ETIMEDOUT) ||
(errno == ECONNABORTED) ||
(errno == ESHUTDOWN) ||
(errno == EHOSTUNREACH) ||
(errno == ENETRESET) ||
(errno == ENETDOWN) ||
(errno == ENETUNREACH) ||
(errno == EHOSTDOWN) ||
(errno == ENOTCONN)) {
traceit("send_aprs_beacon: recv error: APRS_HOST closed connection,error=%d\n",errno);
close(aprs_sock);
aprs_sock = -1;
}
} else if (rc == 0) {
traceit("send_aprs_beacon: recv: APRS shutdown\n");
close(aprs_sock);
aprs_sock = -1;
} else
THRESHOLD_COUNTDOWN = 15;
req.tv_sec = 0;
req.tv_nsec = 100000000; // 100 milli
nanosleep(&req, NULL);
/* 20 seconds passed already ? */
time(&tnow);
if ((tnow - last_keepalive_time) > 20) {
/* we should be receving keepalive packets ONLY if the connection is alive */
if (aprs_sock >= 0) {
if (THRESHOLD_COUNTDOWN > 0)
THRESHOLD_COUNTDOWN--;
if (THRESHOLD_COUNTDOWN == 0) {
traceit("APRS host keepalive timeout\n");
close(aprs_sock);
aprs_sock = -1;
}
}
/* reset timer */
time(&last_keepalive_time);
}
}
traceit("beacon thread exiting...\n");
pthread_exit(NULL);
}
static void *echotest(void *arg)
{
char *file = (char *)arg;
struct timespec req;
FILE *fp = NULL;
unsigned short rlen = 0;
size_t nread = 0;
unsigned char dstar_buf[56];
unsigned char rptr_buf[58];
short int i = 0;
struct sigaction act;
act.sa_handler = sigCatch;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
if (sigaction(SIGTERM, &act, 0) != 0) {
traceit("sigaction-TERM failed, error=%d\n", errno);
traceit("echotest thread exiting...\n");
pthread_exit(NULL);
}
if (sigaction(SIGINT, &act, 0) != 0) {
traceit("sigaction-INT failed, error=%d\n", errno);
traceit("echotest thread exiting...\n");
pthread_exit(NULL);
}
if (sigaction(SIGPIPE, &act, 0) != 0) {
traceit("sigaction-PIPE failed, error=%d\n", errno);
traceit("echotest thread exiting...\n");
pthread_exit(NULL);
}
traceit("File to playback:[%s]\n", file);
fp = fopen(file, "rb");
if (!fp) {
traceit("Failed to open file %s\n", file);
pthread_exit(NULL);
}
nread = fread(dstar_buf, 10, 1, fp);
if (nread != 1) {
traceit("Cant read first 10 bytes in %s\n", file);
fclose(fp);
pthread_exit(NULL);
}
if (memcmp(dstar_buf, "DVTOOL", 6) != 0) {
traceit("DVTOOL keyword not found in %s\n", file);
fclose(fp);
pthread_exit(NULL);
}
sleep(PLAY_WAIT);
while (keep_running) {
nread = fread(&rlen, 2, 1, fp);
if (nread != 1)
break;
if ((rlen != 56) && (rlen != 27)) {
traceit("Expected 56 bytes or 27 bytes, found %d\n", rlen);
break;
}
nread = fread(dstar_buf, rlen, 1, fp);
if (nread == 1) {
if (memcmp(dstar_buf, "DSVT", 4) != 0) {
traceit("DVST keyword not found in %s\n", file);
break;
}
if (dstar_buf[8] != 0x20) {
traceit("Not Voice type in %s\n", file);
break;
}
if ((dstar_buf[4] != 0x10) && (dstar_buf[4] != 0x20)) {
traceit("Not a valid record type in %s\n",file);
break;
}
if (rlen == 56) {
/* which module is this recording for? */
if (dstar_buf[25] == 'A')
i = 0;
else if (dstar_buf[25] == 'B')
i = 1;
else if (dstar_buf[25] == 'C')
i = 2;
/***
WARNING: G2_COUNTER is accessed by both threads.
It should be protected with a MUTEX,
but since this version is NOT for RP2C, but for home-brew
it does not really matter.
Anyway, accessing G2_COUNTER and adding 1 to it,
should be an atomic operation.
***/
memcpy(rptr_buf, "DSTR", 4);
rptr_buf[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
rptr_buf[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
rptr_buf[6] = 0x73;
rptr_buf[7] = 0x12;
rptr_buf[8] = 0x00;
rptr_buf[9] = 0x30;
rptr_buf[10] = 0x20;
memcpy(rptr_buf + 11, dstar_buf + 9, 47);
/* We did not change anything */
// calcPFCS(rptr_buf, 58);
} else {
rptr_buf[5] = (unsigned char)(toRptr[i].G2_COUNTER & 0xff);
rptr_buf[4] = (unsigned char)((toRptr[i].G2_COUNTER >> 8) & 0xff);
rptr_buf[9] = 0x13;
memcpy(rptr_buf + 11, dstar_buf + 9, 18);
}
sendto(srv_sock, (char *)rptr_buf, rlen + 2, 0,
(struct sockaddr *)&toRptr[i].band_addr,
sizeof(struct sockaddr_in));
toRptr[i].G2_COUNTER ++;
req.tv_sec = 0;
req.tv_nsec = PLAY_DELAY * 1000000;
nanosleep(&req, NULL);
}
}
fclose(fp);
if (!strstr(file, "voicemail.dat"))
unlink(file);
traceit("Finished playing\n");
pthread_exit(NULL);
}
static void qrgs_and_maps()
{
for(int i=0; i<3; i++) {
char rptrcall[CALL_SIZE+1];
strcpy(rptrcall, OWNER);
rptrcall[CALL_SIZE-1] = 'A' + i;
if (rptr.mod[i].latitude || rptr.mod[i].longitude || strlen(rptr.mod[i].desc1) || strlen(rptr.mod[i].url))
ii->rptrQTH(rptrcall, rptr.mod[i].latitude, rptr.mod[i].longitude, rptr.mod[i].desc1, rptr.mod[i].desc2, rptr.mod[i].url, rptr.mod[i].package_version);
if (rptr.mod[i].frequency)
ii->rptrQRG(rptrcall, rptr.mod[i].frequency, rptr.mod[i].offset, rptr.mod[i].range, rptr.mod[i].agl);
}
return;
}
int main(int argc, char **argv)
{
short int i;
struct sigaction act;
bool ok;
char *p = NULL;
int rc = 0;
setvbuf(stdout, (char *)NULL, _IOLBF, 0);
traceit("VERSION %s\n", IRCDDB_VERSION);
if (argc != 2) {
traceit("Example: g2_ircddb g2_ircddb.cfg\n");
return 1;
}
/* Used to validate MYCALL input */
rc = regcomp(&preg,
"^(([1-9][A-Z])|([A-Z][0-9])|([A-Z][A-Z][0-9]))[0-9A-Z]*[A-Z][ ]*[ A-RT-Z]$",
REG_EXTENDED | REG_NOSUB);
if (rc != REG_NOERROR) {
traceit("The IRC regular expression is NOT valid\n");
return 1;
}
act.sa_handler = sigCatch;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
if (sigaction(SIGTERM, &act, 0) != 0) {
traceit("sigaction-TERM failed, error=%d\n", errno);
return 1;
}
if (sigaction(SIGINT, &act, 0) != 0) {
traceit("sigaction-INT failed, error=%d\n", errno);
return 1;
}
if (sigaction(SIGPIPE, &act, 0) != 0) {
traceit("sigaction-PIPE failed, error=%d\n", errno);
return 1;
}
rptr.aprs_host[0] = '\0';
rptr.aprs_port = 0;
rptr.aprs_hash = -1;
rptr.aprs_interval = 0;
rptr.aprs_filter[0] = '\0';
for (i = 0; i < 3; i++) {
rptr.mod[i].latitude = 0.00;
rptr.mod[i].longitude = 0.00;
rptr.mod[i].range = 0;
rptr.mod[i].desc[0] = '\0';
}
strcpy(rptr.mod[0].band, "23cm");
strcpy(rptr.mod[1].band, "70cm");
strcpy(rptr.mod[2].band, "2m");
for (i = 0; i < 3; i++) {
aprs_streamID[i].streamID[0] = 0x00;
aprs_streamID[i].streamID[1] = 0x00;
aprs_streamID[i].last_time = 0;
}
for (i = 0; i < 3; i++) {
band_txt[i].streamID[0] = 0x00;
band_txt[i].streamID[1] = 0x00;
band_txt[i].flags[0] = 0x00;
band_txt[i].flags[1] = 0x00;
band_txt[i].flags[2] = 0x00;
band_txt[i].lh_mycall[0] = '\0';
band_txt[i].lh_sfx[0] = '\0';
band_txt[i].lh_yrcall[0] = '\0';
band_txt[i].lh_rpt1[0] = '\0';
band_txt[i].lh_rpt2[0] = '\0';
band_txt[i].last_time = 0;
band_txt[i].txt[0] = '\0';
band_txt[i].txt_cnt = 0;
band_txt[i].txt_stats_sent = false;
band_txt[i].dest_rptr[0] = '\0';
band_txt[i].temp_line[0] = '\0';
band_txt[i].temp_line_cnt = 0;
band_txt[i].gprmc[0] = '\0';
band_txt[i].gpid[0] = '\0';
band_txt[i].is_gps_sent = false;
band_txt[i].gps_last_time = 0;
band_txt[i].num_dv_frames = 0;
band_txt[i].num_dv_silent_frames = 0;
band_txt[i].num_bit_errors = 0;
}
/* process configuration file */
rc = read_config(argv[1]);
if (rc != 0) {
traceit("Failed to process config file %s\n", argv[1]);
return 1;
}
/* build the repeater callsigns for aprs */
strcpy(rptr.mod[0].call, OWNER);
p = strchr(rptr.mod[0].call, ' ');
if (!p) {
traceit("Failed to build repeater callsigns for aprs\n");
return 1;
}
*p = '\0';
strcpy(rptr.mod[1].call, rptr.mod[0].call);
strcpy(rptr.mod[2].call, rptr.mod[0].call);
strcat(rptr.mod[0].call, "-A");
strcat(rptr.mod[1].call, "-B");
strcat(rptr.mod[2].call, "-C");
traceit("Repeater callsigns: [%s] [%s] [%s]\n",
rptr.mod[0].call, rptr.mod[1].call, rptr.mod[2].call);
aprs_init();
compute_aprs_hash();
ok = ::wxInitialize();
if (!ok) {
traceit("Failed to initialize wx\n");
return 1;
}
ii = new CIRCDDB(IRC_DDB_HOST, IRC_DDB_PORT, owner, IRC_PASS, IRCDDB_VERSION, LOCAL_IRC_IP);
ok = ii->open();
if (!ok) {
traceit("irc open failed\n");
::wxUninitialize();
return 1;
}
rc = ii->getConnectionState();
traceit("Waiting for irc connection status of 2\n");
i = 0;
while (rc < 2) {
traceit("irc status=%d\n", rc);
if (rc < 2) {
i++;
sleep(5);
} else
break;
if (!keep_running)
break;
if (i > 5) {
traceit("We can not wait any longer...\n");
break;
}
rc = ii->getConnectionState();
}
do {
/* udp port 40000 must open first */
rc = g2_open();
if (rc != 0) {
traceit("g2_open() failed\n");
break;
}
/* Open udp INTERNAL port */
rc = srv_open();
if (rc != 0) {
traceit("srv_open() failed\n");
break;
}
/* recording for echotest on local repeater modules */
for (i = 0; i < 3; i++) {
recd[i].last_time = 0;
recd[i].streamid[0] = 0x00;
recd[i].streamid[1] = 0x00;
recd[i].fd = -1;
memset(recd[i].file, 0, sizeof(recd[i].file));
}
/* recording for voicemail on local repeater modules */
for (i = 0; i < 3; i++) {
vm[i].last_time = 0;
vm[i].streamid[0] = 0x00;
vm[i].streamid[1] = 0x00;
vm[i].fd = -1;
memset(vm[i].file, 0, sizeof(vm[i].file));
if (i == 0)
snprintf(vm[i].file, FILENAME_MAX, "%s/%c_%s",
ECHOTEST_DIR,'A',"voicemail.dat");
else if (i == 1)
snprintf(vm[i].file, FILENAME_MAX, "%s/%c_%s",
ECHOTEST_DIR,'B',"voicemail.dat");
else
snprintf(vm[i].file, FILENAME_MAX, "%s/%c_%s",
ECHOTEST_DIR,'C',"voicemail.dat");
if (access(vm[i].file, F_OK) != 0)
memset(vm[i].file, 0, sizeof(vm[i].file));
else
traceit("Loaded voicemail file: %s for mod %d\n",
vm[i].file, i);
}
/* the repeater modules run on these ports */
for (i = 0; i < 3; i++) {
memset(&toRptr[i],0,sizeof(toRptr[i]));
memset(toRptr[i].saved_hdr, 0, sizeof(toRptr[i].saved_hdr));
toRptr[i].saved_adr = 0;
toRptr[i].streamid[0] = '\0';
toRptr[i].streamid[1] = '\0';
toRptr[i].adr = 0;
toRptr[i].band_addr.sin_family = AF_INET;
toRptr[i].band_addr.sin_addr.s_addr = inet_addr(TO_RPTR_IP[i]);
toRptr[i].band_addr.sin_port = htons(TO_RPTR_PORT[i]);
toRptr[i].last_time = 0;
toRptr[i].G2_COUNTER = 0;
toRptr[i].sequence = 0x00;
}
/*
Initialize the end_of_audio that will be sent to the local repeater
when audio from remote G2 has timed out
*/
memcpy(end_of_audio, "DSTR", 4);
end_of_audio[6] = 0x73;
end_of_audio[7] = 0x12;
end_of_audio[8] = 0x00;
end_of_audio[9] = 0x13;
end_of_audio[10] = 0x20;
end_of_audio[11] = 0x00;
end_of_audio[12] = 0x01;
memset(end_of_audio + 17, '\0', 9);
end_of_audio[26] = 0x70;
end_of_audio[27] = 0x4f;
end_of_audio[28] = 0x93;
/* to remote systems */
for (i = 0; i < 3; i++) {
memset(&(to_remote_g2[i].toDst4),0,sizeof(struct sockaddr_in));
to_remote_g2[i].streamid[0] = '\0';
to_remote_g2[i].streamid[1] = '\0';
to_remote_g2[i].last_time = 0;
}
/* where to send packets to g2_link */
memset(&plug,0,sizeof(struct sockaddr_in));
plug.sin_family = AF_INET;
plug.sin_port = htons(TO_G2_LINK_PORT);
plug.sin_addr.s_addr = inet_addr(TO_G2_LINK_IP);
traceit("g2_ircddb...entering processing loop\n");
if (SEND_QRGS_MAPS)
qrgs_and_maps();
runit();
traceit("Leaving processing loop...\n");
} while (false);
if (srv_sock != -1) {
close(srv_sock);
traceit("Closed G2_INTERNAL_PORT\n");
}
if (g2_sock != -1) {
close(g2_sock);
traceit("Closed G2_EXTERNAL_PORT\n");
}
if (aprs_sock != -1) {
close(aprs_sock);
traceit("Closed APRS\n");
}
for (i = 0; i < 3; i++) {
recd[i].last_time = 0;
recd[i].streamid[0] = 0x00;
recd[i].streamid[1] = 0x00;
if (recd[i].fd >= 0) {
close(recd[i].fd);
unlink(recd[i].file);
}
}
ii->close();
::wxUninitialize();
traceit("g2_ircddb exiting\n");
return rc;
}
static void aprs_init()
{
short int rptr_idx;
/* Initialize the statistics on the APRS packets */
for (rptr_idx = 0; rptr_idx < 3; rptr_idx++) {
aprs_pack[rptr_idx].al = al_none;
aprs_pack[rptr_idx].data[0] = '\0';
aprs_pack[rptr_idx].len = 0;
aprs_pack[rptr_idx].buf[0] = '\0';
aprs_pack[rptr_idx].sl = sl_first;
aprs_pack[rptr_idx].is_sent = false;
}
/* Initialize the APRS host */
memset(&aprs_addr,0,sizeof(struct sockaddr_in));
aprs_addr_len = sizeof(aprs_addr);
return;
}
// This is called when header comes in from repeater
static void aprs_select_band(short int rptr_idx, unsigned char *streamID)
{
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_select_band, invalid mod %d\n", rptr_idx);
return;
}
/* lock on the streamID */
aprs_streamID[rptr_idx].streamID[0] = streamID[0];
aprs_streamID[rptr_idx].streamID[1] = streamID[1];
// aprs_streamID[rptr_idx].last_time = 0;
aprs_reset(rptr_idx);
return;
}
// This is called when data(text) comes in from repeater
// Parameter buf is either:
// 12 bytes(packet from repeater was 29 bytes) or
// 15 bytes(packet from repeater was 32 bytes)
// Parameter len is either 12 or 15, because we took passed over the first 17 bytes
// in the repeater data
// Paramter seq is the byte at pos# 16(counting from zero) in the repeater data
static void aprs_process_text(unsigned char *streamID,
unsigned char seq,
unsigned char *buf,
unsigned int len)
{
bool done = false;
unsigned char aprs_data[200];
unsigned int aprs_len;
char *p = NULL;
char *hdr = NULL;
char *aud = NULL;
char aprs_buf[1024];
int rc;
time_t tnow = 0;
short int i;
short int rptr_idx = -1;
len = len;
for (i = 0; i < 3; i++) {
if (memcmp(streamID, aprs_streamID[i].streamID, 2) == 0) {
rptr_idx = i;
break;
}
}
if ((rptr_idx < 0) || (rptr_idx > 2)) {
// traceit("ERROR in aprs_process_text: rptr_idx %d is invalid\n", rptr_idx);
return;
}
if ((seq & 0x40) == 0x40)
return;
if ((seq & 0x1f) == 0x00) {
aprs_sync_it(rptr_idx);
return;
}
done = aprs_write_data(rptr_idx, buf + 9);
if (!done)
return;
aprs_len = aprs_get_data(rptr_idx, aprs_data, 200);
aprs_data[aprs_len] = '\0';
time(&tnow);
if ((tnow - aprs_streamID[rptr_idx].last_time) < 30)
return;
if (aprs_sock == -1)
return;
p = strchr((char*)aprs_data, ':');
if (!p) {
aprs_reset(rptr_idx);
return;
}
*p = '\0';
hdr = (char *)aprs_data;
aud = p + 1;
if (strchr(hdr, 'q') != NULL)
return;
p = strchr(aud, '\r');
*p = '\0';
sprintf(aprs_buf, "%s,qAR,%s:%s\r\n", hdr, rptr.mod[rptr_idx].call, aud);
// traceit("GPS-A=%s", aprs_buf);
rc = writen(aprs_buf, strlen(aprs_buf));
if (rc == -1) {
if ((errno == EPIPE) ||
(errno == ECONNRESET) ||
(errno == ETIMEDOUT) ||
(errno == ECONNABORTED) ||
(errno == ESHUTDOWN) ||
(errno == EHOSTUNREACH) ||
(errno == ENETRESET) ||
(errno == ENETDOWN) ||
(errno == ENETUNREACH) ||
(errno == EHOSTDOWN) ||
(errno == ENOTCONN)) {
traceit("aprs_process_text: APRS_HOST closed connection,error=%d\n",errno);
close(aprs_sock);
aprs_sock = -1;
} else /* if it is WOULDBLOCK, we will not go into a loop here */
traceit("aprs_process_text: send error=%d\n", errno);
}
time(&aprs_streamID[rptr_idx].last_time);
return;
}
static bool aprs_write_data(short int rptr_idx, unsigned char *data)
{
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_write_data: rptr_idx %d is invalid\n", rptr_idx);
return false;
}
if (aprs_pack[rptr_idx].is_sent)
return false;
switch (aprs_pack[rptr_idx].sl) {
case sl_first:
aprs_pack[rptr_idx].buf[0] = data[0] ^ 0x70;
aprs_pack[rptr_idx].buf[1] = data[1] ^ 0x4f;
aprs_pack[rptr_idx].buf[2] = data[2] ^ 0x93;
aprs_pack[rptr_idx].sl = sl_second;
return false;
case sl_second:
aprs_pack[rptr_idx].buf[3] = data[0] ^ 0x70;
aprs_pack[rptr_idx].buf[4] = data[1] ^ 0x4f;
aprs_pack[rptr_idx].buf[5] = data[2] ^ 0x93;
aprs_pack[rptr_idx].sl = sl_first;
break;
}
if ((aprs_pack[rptr_idx].buf[0] & 0xf0) != 0x30)
return false;
return aprs_add_data(rptr_idx, aprs_pack[rptr_idx].buf + 1);
}
static void aprs_reset(short int rptr_idx)
{
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_reset: rptr_idx %d is invalid\n", rptr_idx);
return;
}
aprs_pack[rptr_idx].al = al_none;
aprs_pack[rptr_idx].len = 0;
aprs_pack[rptr_idx].sl = sl_first;
aprs_pack[rptr_idx].is_sent = false;
return;
}
static void aprs_sync_it(short int rptr_idx)
{
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_sync_it: rptr_idx %d is invalid\n", rptr_idx);
return;
}
aprs_pack[rptr_idx].sl = sl_first;
return;
}
static bool aprs_add_data(short int rptr_idx, unsigned char *data)
{
unsigned int i;
unsigned char c;
bool ok;
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_add_data: rptr_idx %d is invalid\n", rptr_idx);
return false;
}
for (i = 0; i < 5; i++) {
c = data[i];
if ((aprs_pack[rptr_idx].al == al_none) && (c == '$')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_$1;
} else if ((aprs_pack[rptr_idx].al == al_$1) && (c == '$')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_$2;
} else if ((aprs_pack[rptr_idx].al == al_$2) && (c == 'C')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_c1;
} else if ((aprs_pack[rptr_idx].al == al_c1) && (c == 'R')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_r1;
} else if ((aprs_pack[rptr_idx].al == al_r1) && (c == 'C')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_c2;
} else if (aprs_pack[rptr_idx].al == al_c2) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_csum1;
} else if (aprs_pack[rptr_idx].al == al_csum1) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_csum2;
} else if (aprs_pack[rptr_idx].al == al_csum2) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_csum3;
} else if (aprs_pack[rptr_idx].al == al_csum3) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_csum4;
} else if ((aprs_pack[rptr_idx].al == al_csum4) && (c == ',')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
aprs_pack[rptr_idx].al = al_data;
} else if ((aprs_pack[rptr_idx].al == al_data) && (c != '\r')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
if (aprs_pack[rptr_idx].len >= 300) {
traceit("ERROR in aprs_add_data: Expected END of APRS data\n");
aprs_pack[rptr_idx].len = 0;
aprs_pack[rptr_idx].al = al_none;
}
} else if ((aprs_pack[rptr_idx].al == al_data) && (c == '\r')) {
aprs_pack[rptr_idx].data[aprs_pack[rptr_idx].len] = c;
aprs_pack[rptr_idx].len++;
ok = aprs_check_data(rptr_idx);
if (ok) {
aprs_pack[rptr_idx].al = al_end;
return true;
} else {
traceit("BAD checksum in APRS data\n");
aprs_pack[rptr_idx].al = al_none;
aprs_pack[rptr_idx].len = 0;
}
} else {
aprs_pack[rptr_idx].al = al_none;
aprs_pack[rptr_idx].len = 0;
}
}
return false;
}
static unsigned int aprs_get_data(short int rptr_idx, unsigned char *data, unsigned int len)
{
unsigned int l;
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_get_data: rptr_idx %d is invalid\n", rptr_idx);
return 0;
}
l = aprs_pack[rptr_idx].len - 10;
if (l > len)
l = len;
memcpy(data, aprs_pack[rptr_idx].data + 10, l);
aprs_pack[rptr_idx].al = al_none;
aprs_pack[rptr_idx].len = 0;
aprs_pack[rptr_idx].is_sent = true;
return l;
}
static bool aprs_check_data(short int rptr_idx)
{
unsigned int my_sum;
char buf[5];
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in aprs_check_data: rptr_idx %d is invalid\n", rptr_idx);
return false;
}
my_sum = aprs_calc_crc(aprs_pack[rptr_idx].data + 10,
aprs_pack[rptr_idx].len - 10);
sprintf(buf, "%04X", my_sum);
return (memcmp(buf,
aprs_pack[rptr_idx].data + 5,
4) == 0);
}
static unsigned int aprs_calc_crc(unsigned char* buf, unsigned int len)
{
unsigned int my_crc = 0xffff;
unsigned int i,j;
unsigned char c;
bool xor_val;
if (!buf)
return 0;
if (len <= 0)
return 0;
for (j = 0; j < len; j++) {
c = buf[j];
for (i = 0; i < 8; i++) {
xor_val = (((my_crc ^ c) & 0x01) == 0x01);
my_crc >>= 1;
if (xor_val)
my_crc ^= 0x8408;
c >>= 1;
}
}
return (~my_crc & 0xffff);
}
static void gps_send(short int rptr_idx)
{
time_t tnow = 0;
char *p = NULL;
bool ok = false;
static char old_mycall[CALL_SIZE + 1] = { " " };
if ((rptr_idx < 0) || (rptr_idx > 2)) {
traceit("ERROR in gps_send: rptr_idx %d is invalid\n", rptr_idx);
return;
}
if (band_txt[rptr_idx].gprmc[0] == '\0') {
band_txt[rptr_idx].gpid[0] = '\0';
traceit("missing GPS ID\n");
return;
}
if (band_txt[rptr_idx].gpid[0] == '\0') {
band_txt[rptr_idx].gprmc[0] = '\0';
traceit("Missing GPSRMC\n");
return;
}
if (memcmp(band_txt[rptr_idx].gpid, band_txt[rptr_idx].lh_mycall, CALL_SIZE) != 0) {
traceit("MYCALL [%s] does not match first 8 characters of GPS ID [%.8s]\n",
band_txt[rptr_idx].lh_mycall, band_txt[rptr_idx].gpid);
band_txt[rptr_idx].gprmc[0] = '\0';
band_txt[rptr_idx].gpid[0] = '\0';
return;
}
/* if new station, reset last time */
if (strcmp(old_mycall, band_txt[rptr_idx].lh_mycall) != 0) {
strcpy(old_mycall, band_txt[rptr_idx].lh_mycall);
band_txt[rptr_idx].gps_last_time = 0;
}
/* do NOT process often */
time(&tnow);
if ((tnow - band_txt[rptr_idx].gps_last_time) < 31)
return;
traceit("GPRMC=[%s]\n", band_txt[rptr_idx].gprmc);
traceit("GPS id=[%s]\n",band_txt[rptr_idx].gpid);
p = strrchr(band_txt[rptr_idx].gprmc, '*');
if (!p) {
/* BAD news, something went wrong */
traceit("Missing asterisk before checksum in GPRMC\n");
band_txt[rptr_idx].gprmc[0] = '\0';
band_txt[rptr_idx].gpid[0] = '\0';
return;
} else {
*p = '\0';
/* verify csum in GPRMC */
ok = verify_gps_csum(band_txt[rptr_idx].gprmc + 1, p + 1);
if (!ok) {
traceit("csum in GPRMC not good\n");
band_txt[rptr_idx].gprmc[0] = '\0';
band_txt[rptr_idx].gpid[0] = '\0';
return;
}
}
p = strrchr(band_txt[rptr_idx].gpid, '*');
if (!p) {
/* BAD news, something went wrong */
traceit("Missing asterisk before checksum in GPS id\n");
band_txt[rptr_idx].gprmc[0] = '\0';
band_txt[rptr_idx].gpid[0] = '\0';
return;
} else {
*p = '\0';
/* verify csum in GPS id */
ok = verify_gps_csum(band_txt[rptr_idx].gpid, p + 1);
if (!ok) {
traceit("csum in GPS id not good\n");
band_txt[rptr_idx].gprmc[0] = '\0';
band_txt[rptr_idx].gpid[0] = '\0';
return;
}
}
/* now convert GPS into APRS and send it */
build_aprs_from_gps_and_send(rptr_idx);
band_txt[rptr_idx].is_gps_sent = true;
time(&(band_txt[rptr_idx].gps_last_time));
return;
}
static void build_aprs_from_gps_and_send(short int rptr_idx)
{
char buf[512];
char *p = NULL;
const char *delim = ",";
int rc = 0;
char *saveptr = NULL;
/* breakdown of GPRMC */
//char *GPRMC = NULL;
//char *time_utc = NULL;
//char *nav = NULL;
char *lat_str = NULL;
char *lat_NS = NULL;
char *lon_str = NULL;
char *lon_EW = NULL;
/*** dont care about the rest */
strcpy(buf, band_txt[rptr_idx].lh_mycall);
p = strchr(buf, ' ');
if (p) {
if (band_txt[rptr_idx].lh_mycall[7] != ' ') {
*p = '-';
*(p + 1) = band_txt[rptr_idx].lh_mycall[7];
*(p + 2) = '>';
*(p + 3) = '\0';
} else {
*p = '>';
*(p + 1) = '\0';
}
} else
strcat(buf, ">");
strcat(buf, "APDPRS,DSTAR*,qAR,");
strcat(buf, rptr.mod[rptr_idx].call);
strcat(buf, ":!");
//GPRMC =
strtok_r(band_txt[rptr_idx].gprmc, delim, &saveptr);
//time_utc =
strtok_r(NULL, delim, &saveptr);
//nav =
strtok_r(NULL, delim, &saveptr);
lat_str = strtok_r(NULL, delim, &saveptr);
lat_NS = strtok_r(NULL, delim, &saveptr);
lon_str = strtok_r(NULL, delim, &saveptr);
lon_EW = strtok_r(NULL, delim, &saveptr);
if (lat_str && lat_NS) {
if ((*lat_NS != 'N') && (*lat_NS != 'S')) {
traceit("Invalid North or South indicator in latitude\n");
return;
}
if (strlen(lat_str) != 9) {
traceit("Invalid latitude\n");
return;
}
if (lat_str[4] != '.') {
traceit("Invalid latitude\n");
return;
}
lat_str[7] = '\0';
strcat(buf, lat_str);
strcat(buf, lat_NS);
} else {
traceit("Invalid latitude\n");
return;
}
/* secondary table */
strcat(buf, "\\");
if (lon_str && lon_EW) {
if ((*lon_EW != 'E') && (*lon_EW != 'W')) {
traceit("Invalid East or West indicator in longitude\n");
return;
}
if (strlen(lon_str) != 10) {
traceit("Invalid longitude\n");
return;
}
if (lon_str[5] != '.') {
traceit("Invalid longitude\n");
return;
}
lon_str[8] = '\0';
strcat(buf, lon_str);
strcat(buf, lon_EW);
} else {
traceit("Invalid longitude\n");
return;
}
/* Just this symbolcode only */
strcat(buf, "k");
strncat(buf, band_txt[rptr_idx].gpid + 13, 32);
// traceit("Built APRS from old GPS mode=[%s]\n", buf);
strcat(buf, "\r\n");
rc = writen(buf, strlen(buf));
if (rc == -1) {
if ((errno == EPIPE) ||
(errno == ECONNRESET) ||
(errno == ETIMEDOUT) ||
(errno == ECONNABORTED) ||
(errno == ESHUTDOWN) ||
(errno == EHOSTUNREACH) ||
(errno == ENETRESET) ||
(errno == ENETDOWN) ||
(errno == ENETUNREACH) ||
(errno == EHOSTDOWN) ||
(errno == ENOTCONN)) {
traceit("build_aprs_from_gps_and_send: APRS_HOST closed connection,error=%d\n",errno);
close(aprs_sock);
aprs_sock = -1;
} else
traceit("build_aprs_from_gps_and_send: send error=%d\n", errno);
}
return;
}
static bool verify_gps_csum(char *gps_text, char *csum_text)
{
short int len;
short int i;
char c;
short computed_csum = 0;
char computed_csum_text[16];
char *p = NULL;
len = strlen(gps_text);
for (i = 0; i < len; i++) {
c = gps_text[i];
if (computed_csum == 0)
computed_csum = (char)c;
else
computed_csum = computed_csum ^ ((char)c);
}
sprintf(computed_csum_text, "%02X", computed_csum);
// traceit("computed_csum_text=[%s]\n", computed_csum_text);
p = strchr(csum_text, ' ');
if (p)
*p = '\0';
if (strcmp(computed_csum_text, csum_text) == 0)
return true;
else
return false;
}
static ssize_t writen(char *buffer, size_t n)
{
ssize_t num_written = 0;
size_t tot_written = 0;
char *buf;
buf = buffer;
for (tot_written = 0; tot_written < n;) {
num_written = write(aprs_sock, buf, n - tot_written);
if (num_written <= 0) {
if ((num_written == -1) && (errno == EINTR))
continue;
else
return num_written;
}
tot_written += num_written;
buf += num_written;
}
return tot_written;
}
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