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helpers.c
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/*
* Copyright (C) 2017...2021 by Lieven De Samblanx ON7LDS
*
* 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.
*/
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <unistd.h>
#include <stdlib.h>
#include <dirent.h>
#include <sys/types.h>
#include <ifaddrs.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <syslog.h>
#include <sys/vfs.h>
#include <errno.h>
#include <fcntl.h>
#include <time.h>
#include <sys/stat.h>
#include "NextionDriver.h"
#include "helpers.h"
void getNetworkInterface(char* info) {
const unsigned int IFLISTSIZ = 25U;
int n;
FILE* fp = fopen("/proc/net/route" , "r");
if (fp == NULL) {
writelog(LOG_ERR,"Unabled to open /proc/route");
return;
}
char* dflt = NULL;
char line[100U];
while (fgets(line, 100U, fp)) {
char* p1 = strtok(line , " \t");
char* p2 = strtok(NULL , " \t");
if (p1 != NULL && p2 != NULL) {
if (strcmp(p2, "00000000") == 0) {
dflt = p1;
break;
}
}
}
fclose(fp);
if (dflt == NULL) {
writelog(LOG_ERR,"Unable to find the default route");
return;
}
char interfacelist[IFLISTSIZ][50+INET6_ADDRSTRLEN];
for (n = 0U; n < IFLISTSIZ; n++) {
interfacelist[n][0] = 0;
}
struct ifaddrs* ifaddr;
if (getifaddrs(&ifaddr) == -1) {
writelog(LOG_ERR,"getifaddrs failure");
return;
}
unsigned int ifnr = 0U;
struct ifaddrs* ifa;
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (ifa->ifa_addr == NULL)
continue;
int family = ifa->ifa_addr->sa_family;
if (family == AF_INET || family == AF_INET6) {
char host[NI_MAXHOST];
int s = getnameinfo(ifa->ifa_addr, family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if (s != 0) {
writelog(LOG_ERR,"getnameinfo() failed: %s\n", gai_strerror(s));
continue;
}
if (family == AF_INET) {
sprintf(interfacelist[ifnr], "%s:%s", ifa->ifa_name, host);
writelog(LOG_INFO," IPv4: %s", interfacelist[ifnr]);
} else {
sprintf(interfacelist[ifnr], "%s:%s", ifa->ifa_name, host);
writelog(LOG_INFO," IPv6: %s", interfacelist[ifnr]);
}
ifnr++;
}
}
freeifaddrs(ifaddr);
writelog(LOG_INFO," Default interface is : %s" , dflt);
for (n = 0U; n < ifnr; n++) {
char* p = strchr(interfacelist[n], '%');
if (p != NULL)
*p = 0;
if (strstr(interfacelist[n], dflt) != 0) {
strcpy((char*)info, interfacelist[n]);
break;
}
}
}
int getInternetStatus(int i){
char *hostname;
struct hostent *hostinfo;
hostname = "brandmeister.network";
if (i%4 == 1) hostname = "news.brandmeister.network";
if (i%4 == 2) hostname = "ask.brandmeister.network";
if (i%4 == 3) hostname = "wiki.brandmeister.network";
hostinfo = gethostbyname (hostname);
if (hostinfo == NULL) return 0; else return 1;
}
void remove_all_chars(char* str, char c) {
char *pr = str, *pw = str;
while (*pr) {
*pw = *pr++;
pw += (*pw != c);
}
*pw = '\0';
}
void sanitize(char *line) {
char *new;
int index,indexN;
new=strdup(line);
if (new==NULL) printf("ERROR");
index=0;
indexN=0;
while (line[index]) {
if ((line[index]!='\'')&&(line[index]!='"')&&(line[index]!=0x0D)&&(line[index]!=0x0A)
&&(!((line[index]==' ')&&(line[index+1]=='=')))&&(!((index>1)&&(line[index]==' ')&&(line[index-1]=='='))) ) {
new[indexN++]=line[index];
}
index++;
}
new[indexN]=0;
strcpy(line,new);
free(new);
}
void initConfig(void) {
int i;
strcpy(nextionDriverLink,NEXTIONDRIVERLINK);
strcpy(nextionPort,NEXTIONPORT);
strcpy(configFile1,CONFIGFILE);
strcpy(configFile2,"");
strcpy(groupsFile,GROUPSFILE);
strcpy(usersFile,USERSFILE);
strcpy(groupsFileSrc,GROUPSFILESRC);
strcpy(usersFileSrc,USERSFILESRC);
screenLayout=2;
userDBDelimiter=',';
userDBId=0;
userDBCall=1;
userDBName=34; // fields 2 and 3
userDBX1=4;
userDBX2=5;
userDBX3=6;
RXfrequency=0;
TXfrequency=0;
location[0]=0;
tempInF=0;
for(i=0; i<14; i++) modeIsEnabled[i]=0;
remotePort[0]=0;
localPort[0]=0;
transparentIsEnabled=0;
sendFrameType=0;
datafiledir[0]=0;
groupsFile[0]=0;
usersFile[0]=0;
changepages=0;
for (i=0; i<7; i++) modeIsEnabled[i]=0;
}
int readConfig(int filenr) {
#define BUFFER_SIZE 200
int found,ok;
char configFile[200];
ok=0;
found=0;
strcpy(configFile,"");
if (filenr==1) strcpy(configFile,configFile1);
if (filenr==2) strcpy(configFile,configFile2);
if (strlen(configFile)==0) return 1;
writelog(LOG_NOTICE,"Reading configuration file %s",configFile);
FILE* fp = fopen(configFile, "rt");
if (fp == NULL) {
return -100-filenr;
}
changepages=0;
removeDim=0;
sleepWhenInactive=60;
waitForLan=1;
sendUserDataMask=0b00000010;
char buffer[BUFFER_SIZE];
while (fgets(buffer, BUFFER_SIZE, fp) != NULL) {
sanitize(buffer);
// since this is for Nextion displays, we assume Nextion is enabled,
// so we do not check this and only search for the screenLayout variable
if (buffer[0] == '#') {
continue;
}
if (buffer[0] == '[') {
ok=0;
if (strncmp(buffer, "[D-Star]", 8) == 0) ok=C_DSTAR;
if (strncmp(buffer, "[DMR]", 5) == 0) ok=C_DMR;
if (strncmp(buffer, "[System Fusion]", 15) == 0) ok=C_YSF;
if (strncmp(buffer, "[P25]", 5) == 0) ok=C_P25;
if (strncmp(buffer, "[NXDN]", 6) == 0) ok=C_NXDN;
if (strncmp(buffer, "[POCSAG]", 6) == 0) ok=C_POCSAG;
if (strncmp(buffer, "[M17]", 6) == 0) ok=C_M17;
if (strncmp(buffer, "[M17 Network]", 13) == 0) ok=C_M17NET;
if (strncmp(buffer, "[D-Star Network]", 16) == 0) ok=C_DSTARNET;
if (strncmp(buffer, "[DMR Network]", 13) == 0) ok=C_DMRNET;
if (strncmp(buffer, "[System Fusion Network]", 23) == 0) ok=C_YSFNET;
if (strncmp(buffer, "[P25 Network]", 13) == 0) ok=C_P25NET;
if (strncmp(buffer, "[NXDN Network]", 14) == 0) ok=C_NXDNNET;
if (strncmp(buffer, "[Info]", 6) == 0) ok=C_INFO;
if (strncmp(buffer, "[Nextion]", 9) == 0) ok=C_NEXTION;
if (strncmp(buffer, "[Log]", 5) == 0) ok=C_LOG;
if (strncmp(buffer, "[Transparent Data]", 18) == 0) ok=C_TRANSPARENT;
if (strncmp(buffer, "[NextionDriver]", 15) == 0) ok=C_NEXTIONDRIVER;
}
char* key = strtok(buffer, " \t=\r\n");
if (key == NULL)
continue;
char* value = strtok(NULL, "\r\n");
if (value == NULL)
continue;
//1-20 = modes enabled/disabled
if (ok<21) {
if (strcmp(key, "Enable") == 0) {
modeIsEnabled[ok] = (unsigned int)atoi(value);
found++;
}
}
if (ok==C_INFO) {
if (strcmp(key, "RXFrequency") == 0) {
RXfrequency = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"Found RX Frequency %d",RXfrequency);
found++;
}
if (strcmp(key, "TXFrequency") == 0) {
TXfrequency = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"Found TX Frequency %d",TXfrequency);
found++;
}
if (strcmp(key, "Location") == 0) {
remove_all_chars(value,'"');
strcpy(location,value);
writelog(LOG_NOTICE,"Found Location [%s]",location);
found++;
}
}
if (ok==C_NEXTION) {
if (strcmp(key, "Port") == 0) {
strcpy(nextionDriverLink,value);
writelog(LOG_NOTICE,"Found Virtual Port [%s]",nextionDriverLink);
found++;
}
if (strcmp(key, "ScreenLayout") == 0) {
screenLayout = (unsigned int)atoi(value);
found++;
}
if (strcmp(key, "DisplayTempInFahrenheit") == 0) {
tempInF = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"Showing temperature in %s", (tempInF==0) ? "Celsius" : "Farenheit" );
found++;
}
}
/*
if (ok==C_LOG) {
if (strcmp(key, "FileLevel") == 0)
loglevel = (unsigned int)atoi(value);
}
*/
if (ok==C_TRANSPARENT) {
if (strcmp(key, "Enable") == 0) {
transparentIsEnabled = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"Use Transparent Connection: %s", (transparentIsEnabled==0) ? "NO" : "YES");
found++;
}
if (strcmp(key, "LocalPort") == 0) {
strcpy(remotePort,value); //yes! the local port from MMDVMHost is our remote port !
writelog(LOG_NOTICE," Remote port: %s", remotePort);
found++;
}
if (strcmp(key, "RemotePort") == 0) {
strcpy(localPort,value); //yes! the remote port from MMDVMHost is our local port !
writelog(LOG_NOTICE," Local port: %s", localPort);
found++;
}
if (strcmp(key, "SendFrameType") == 0) {
sendFrameType = (unsigned int)atoi(value);
writelog(LOG_NOTICE," Send Frame Type: %s", (sendFrameType==0) ? "NO" : "YES");
found++;
}
}
if (ok==C_NEXTIONDRIVER) {
if (strcmp(key, "Port") == 0) {
strcpy(nextionPort,value);
writelog(LOG_NOTICE,"Found Nextion Port [%s]",nextionPort);
found++;
}
if (strcmp(key, "LogLevel") == 0) {
verbose=(unsigned int)atoi(value);
if (verbose<0) verbose=0;
if (verbose>4) verbose=4;
found++;
}
if (strcmp(key, "DataFilesPath") == 0) {
strcpy(datafiledir,value);
if (datafiledir[strlen(datafiledir)-1]!='/') {
strcat(datafiledir,"/");
}
found++;
}
if (strcmp(key, "GroupsFile") == 0) {
strcpy(groupsFile,value);
found++;
}
if (strcmp(key, "GroupsFileSrc") == 0) {
strncpy(groupsFileSrc,value,sizeof(groupsFileSrc)-1);
groupsFileSrc[sizeof(groupsFileSrc)-1]=0;
writelog(LOG_NOTICE,"Groups file will be fetched from [%s]",groupsFileSrc);
found++;
}
if (strcmp(key, "DMRidFile") == 0) {
strcpy(usersFile,value);
found++;
}
if (strcmp(key, "DMRidFileSrc") == 0) {
strncpy(usersFileSrc,value,sizeof(usersFileSrc)-1);
usersFileSrc[sizeof(usersFileSrc)-1]=0;
writelog(LOG_NOTICE,"Users file will be fetched from [%s]",usersFileSrc);
found++;
}
//----- Users -----
if (strcmp(key, "DMRidDelimiter") == 0) {
userDBDelimiter=value[0];
found++;
}
if (strcmp(key, "DMRidId") == 0) {
userDBId=(unsigned int)atoi(value);
if ((userDBId<1)||(userDBId>10))userDBId=1;
userDBId--;
found++;
}
if (strcmp(key, "DMRidCall") == 0) {
userDBCall=(unsigned int)atoi(value);
if ((userDBCall<1)||(userDBCall>10))userDBCall=2;
userDBCall--;
found++;
}
if (strcmp(key, "DMRidName") == 0) {
if (value[1]==',') { value[1]=value[2]; value[2]=0; }
userDBName=(unsigned int)atoi(value);
if ((userDBName<1)||(userDBName>99))userDBName=34;
found++;
}
if (strcmp(key, "DMRidX1") == 0) {
userDBX1=(unsigned int)atoi(value);
if ((userDBX1<1)||(userDBX1>10))userDBX1=5;
userDBX1--;
found++;
}
if (strcmp(key, "DMRidX2") == 0) {
userDBX2=(unsigned int)atoi(value);
if ((userDBX2<1)||(userDBX2>10))userDBX2=6;
userDBX2--;
found++;
}
if (strcmp(key, "DMRidX3") == 0) {
userDBX3=(unsigned int)atoi(value);
if ((userDBX3<1)||(userDBX3>10))userDBX3=7;
userDBX3--;
found++;
}
//----- ----- -----
if (strcmp(key, "ChangePagesMode") == 0) {
changepages = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"ChangePagesMode: %s", changepages ? "ON" : "OFF");
found++;
}
if (strcmp(key, "RemoveDim") == 0) {
removeDim = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"RemoveDim: %s", removeDim ? "ON" : "OFF");
found++;
}
if (strcmp(key, "SleepWhenInactive") == 0) {
sleepWhenInactive = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"SleepWhenInactive: %s", sleepWhenInactive ? "ON" : "OFF");
found++;
}
if (strcmp(key, "ShowModesStatus") == 0) {
showModesStatus = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"ShowModesStatus: %s", showModesStatus ? "ON" : "OFF");
found++;
}
if (strcmp(key, "SendUserDataMask") == 0) {
int base; if ((value[1]!=0)&&(value[1]=='b')) { base=2; value[0]=' ', value[1]=' '; } else { base=0; }
sendUserDataMask = (unsigned int)strtol(value, NULL, base);
writelog(LOG_NOTICE,"SendUserDataMask: %d %s | 0x%X", base, value, sendUserDataMask);
found++;
}
if (strcmp(key, "WaitForLan") == 0) {
waitForLan = (unsigned int)atoi(value);
writelog(LOG_NOTICE,"WaitForLan: %s", waitForLan ? "ON" : "OFF");
found++;
}
}
}
fclose(fp);
if (found == 0) {
writelog(LOG_ERR,"Found no data in config file %s.\n", configFile);
}
return found;
}
void readVersions(char *filename) {
char buffer[102], *val;
// printf("--- File [%s]\n",filename);
FILE* fp = fopen(filename, "rt");
if (fp != NULL) {
while (fgets(buffer, 100, fp) != NULL) {
sanitize(buffer);
val=strstr(buffer,"=");
if (val==NULL) continue;
val[0]=0; val++;
// printf("Key [%s]\n",buffer);
// printf("Val [%s]\n\n",val);
if (strcmp(buffer,"PRETTY_NAME")==0) { strcpy(OSname,val); }
if (strcmp(buffer,"Version")==0) { strcpy(PIname,val); }
}
fclose(fp);
}
}
int getDiskFree(int log){
struct statfs sStats;
char fname[250];
int ok;
strcpy(fname,datafiledir);
strcat(fname,groupsFile);
ok = statfs( fname, &sStats );
if (ok==-1) {
writelog(LOG_ERR,"No groups file found (%s), trying config file to calculate disk size",fname);
ok = statfs( configFile1 , &sStats );
}
if( ok == -1 ) {
writelog(LOG_ERR,"Unable to find any file to calculate disk size");
return -1;
} else {
int size,free;
//sizes in MB;
size=((sStats.f_blocks/1024)*sStats.f_bsize)/1024;
free=((sStats.f_bavail/1024)*sStats.f_bsize)/1024;
if (log) {
writelog(LOG_NOTICE,"Disk size : %d MB (%d free)",size,free);
}
// in PCT
return (100*free)/size;
}
}
int getHWinfo(char* info) {
size_t n = 0;
char *line = NULL;
strcpy(info,"");
FILE *fp = fopen("/proc/cpuinfo", "r");
if (fp==NULL) return ENOENT;
while (getline(&line, &n, fp) > 0) {
if (strstr(line, "model name")) { sprintf(info,"%s",line); }
if (strstr(line, "Model")) { sprintf(info,"%s",line); }
}
char *token;
const char s[3] = ":\n";
token = strtok(info, s);
if ( token != NULL ) {
token = strtok(NULL, s);
}
sprintf(info, "%s", token+1 );
free(line);
fclose(fp);
return 0;
}
int getMeminfo(char* info) {
size_t n = 0;
char *line = NULL;
int i;
strcpy(info,"");
FILE *fp = fopen("/proc/meminfo", "r");
if (fp==NULL) return ENOENT;
while (getline(&line, &n, fp) > 0) {
if (strstr(line, "MemTotal")) { sprintf(info,"%s",line); }
}
char *token;
const char s[3] = ":\n";
token = strtok(info, s);
if ( token != NULL ) {
token = strtok(NULL, s);
}
for(i=0; i<20; i++) { if (token[0]==0x20) token++; else break; }
sprintf(info, "%s", token );
free(line);
fclose(fp);
return 0;
}
#define LH_PAGES 8
#define LH_INDEXES 20
#define LH_FIELDS 40
char data[LH_PAGES][LH_FIELDS][LH_INDEXES][100];
unsigned char startdata[LH_PAGES];
unsigned char LHinhibit;
void addLH(char* displaydatabuf ) {
int i,f,field, test1, test2;
char* split;
char displaydata[1024];
if (displaydatabuf==NULL) return;
if ((displaydatabuf[0]=='L')&&(displaydatabuf[1]=='H'))return;
strcpy(displaydata,displaydatabuf);
displaydata[99]=0;
writelog(LOG_DEBUG," LH: check [%s] on page %d",displaydata,page);
if ((page<0)||(page>=LH_PAGES)) { writelog(LOG_ERR,"LH: nonexistent page"); return; }
split=strstr(displaydata,"=");
if ((split!=NULL)&&(strstr(displaydata,"MMDVM.status.val")!=NULL)) {
split[0]=' ';
statusval=atoi(split);
return;
}
split=strstr(displaydata,".txt=");
if (split==NULL) { return; }
split[0]=0;
i=strlen(displaydata);
while(i>0) {i--; if ((displaydata[i]<'0')||(displaydata[i]>'9'))displaydata[i]=' '; }
field=atoi(displaydata);
split++;
strncpy(data[page][field][0],split,99);
writelog(LOG_DEBUG," LH: page %d field %d is [%s]",page,field,split);
writelog(LOG_DEBUG," LH: statusval %d",statusval);
/*
42 : Dstar type/my1/my2
62 : DMR ID1
70 : DMR ID2
82 : YSF src
102 : P25 source
122 : NXDN source
132 : POCSAG RIC
*/
test1=((statusval==42)||(statusval==62)||(statusval==70)||(statusval==82)||(statusval==102)||(statusval==122)||(statusval==132));
if (test1) { writelog(LOG_DEBUG,"NO LH Inhibit\n "); LHinhibit=0; }
/*
41 : D-Star listening
61 : DMR listening1
64 : DMR Call end1
69 : DMR listening2
72 : DMR Call end2
81 : YSF listening
101 : P25 listening
121 : NXDN listening
*/
test2=((statusval==41)||(statusval==61)||(statusval==69)||(statusval==81)||(statusval==101)||(statusval==121)||(statusval==131)
||(statusval==64)||(statusval==72)
);
if (test2||LHinhibit) { writelog(LOG_DEBUG,"LH Inhibit\n "); LHinhibit=1; return; }
if (startdata[page]==0) startdata[page]=1;
//printf("===page %d field %d index %d current[%s] split[%s] test[%c]\n",page,field,startdata[page],data[page][field][startdata[page]],split,test1?'Y':'N');
if ( (page==0)||(test1) ) {
startdata[page]++;
// if (page>0)printf("-----------New index !-----------\n");
}
if (startdata[page]>=LH_INDEXES) startdata[page]=1;
i=startdata[page];
if ((page==0)||(test1)){ for (f=0;f<LH_FIELDS;f++) strncpy(data[page][f][i],data[page][f][0],99); strcpy(data[page][f][0],""); statusval=0; }
strncpy(data[page][field][i],split,99);
//printf("===write page%d field %d index %d split[%s] \n",page,field,i,split);
//for (f=0;f<LH_FIELDS;f++) if (strlen(data[page][f][i])>0)printf("page %d index %d veld %d [%s]\n",page,i,f,data[page][f][i]);
}
void LHlist(int page,int aant) {
int i,f,s;
char text[100],tmp[50];
//nog niet OK
if (aant>=LH_INDEXES)aant=LH_INDEXES;
writelog(LOG_DEBUG,"Last Heard: page %d, %d lines",page,aant);
for (i=0;i<aant;i++){
s=startdata[page]-i; if (s<1) s+=LH_INDEXES;
//printf("--> %d --> %d \n",i,s);
for (f=0;f<LH_FIELDS;f++) {
if (strlen(data[page][f][s])>1) {
strncpy(tmp,data[page][f][s],48); tmp[49]=0;
sprintf(text,"LH%dt%d.%s",i,f,tmp);
sendCommand(text); usleep(50);
}
}
}
}
void dumpLHlist(void) {
int p,i,f;
// for (p=0;p<LH_PAGES;p++) {
p=2;{
printf("---------------------PAGE %d--(start %d)-------------------\n",p,startdata[p]);
for (i=0;i<LH_INDEXES;i++){
printf("Index %d : ",i);
for (f=0;f<LH_FIELDS;f++) {
if (strlen(data[p][f][i])>6) printf("(%d)t%d [%s] ",startdata[p],f,data[p][f][i]);
}
printf("\n");
}
}
}
void sendScreenData(unsigned int pagenr) {
int field;
char text[100];
if (pagenr==0xFE) pagenr=0;
if (pagenr>LH_PAGES) { writelog(LOG_ERR,"Refresh Screen: nonexistent page"); return; }
writelog(LOG_DEBUG,"Refresh Screen: sending fields for page %d",pagenr);
for (field=0; field<LH_FIELDS; field++){
sprintf(text,"t%d.%s",field,data[pagenr][field][startdata[page]]);
if (strlen(data[pagenr][field][startdata[page]])>0) {
writelog(LOG_DEBUG," LH: sending %s",text);
sendCommand(text);
}
}
writelog(LOG_DEBUG,"Refresh Screen: sending fields done");
}
int search_group(int nr, group_t a[], int m, int n)
{
writelog(LOG_DEBUG,"--- Group search for ID %d (%d - %d)",nr,m,n);
if (nr==0) return -1;
if (m>n) return -1;
if(m == n) {
if(a[n].nr == nr) { return n; } else return -1;
}
if((n-m)<2) {
if(a[n].nr == nr) { return n; } else return -1;
}
int middle=(m+n)/2;
if(a[middle].nr==nr) return middle;
else
if(nr > a[middle].nr) return search_group(nr, a, middle, n);
else
if(nr < a[middle].nr) return search_group(nr, a, m, middle);
return -1;
}
int search_user_index_for_ID(int nr, user_t a[], int m, int n)
{
writelog(LOG_DEBUG,"--- User search for ID %d (%d [%d] - %d [%d] )",nr,m,a[m].nr,n,a[n].nr);
// usleep(200000);
if (nr==0) return -1;
if (m>n) return -1;
if((n-m)<2) {
if(a[n].nr == nr) { return n; } else return -1;
}
int middle=(m+n)/2;
if(a[middle].nr==nr) return middle;
else
if(nr > a[middle].nr) return search_user_index_for_ID(nr, a, middle, n);
else
if(nr < a[middle].nr) return search_user_index_for_ID(nr, a, m, middle);
return -1;
}
int search_user_array_for_CALL(char* call, user_call_idx_t a[], int m, int n)
{
writelog(LOG_DEBUG,"--- User index search for call %s (%d [%s] - %d [%s] )",call,m,a[m].call,n,a[n].call);
if (strlen(call)==0) return -1;
if (m>n) return -1;
if((n-m)<2) {
if(strcmp(a[n].call,call)==0) { return n; } else return -1;
}
int middle=(m+n)/2;
if(strcmp(a[middle].call,call)==0) return middle;
else
if(strcmp(a[middle].call,call)<0) return search_user_array_for_CALL(call, a, middle, n);
else
if(strcmp(a[middle].call,call)>0) return search_user_array_for_CALL(call, a, m, middle);
return -1;
}
int search_user_index_for_CALL(char* call, user_call_idx_t a[], int m, int n){
int i;
i=search_user_array_for_CALL(call, a, m, n);
if (i>0) return usersCALL_IDX[i].nr; else return -1; //KE7FNS Should return an error, not the first index in the table
}
void print_groups() {
int i;
for (i=0; i<nmbr_groups;i++)
printf("Group %5d: %d = [%s]\n", i, groups[i].nr, groups[i].name);
}
void print_users() {
int i;
for (i=0; i<nmbr_users;i++)
printf("User %5d: %d = [%s][%s][%s][%s][%s]\n", i, users[i].nr, users[i].data1, users[i].data2, users[i].data3, users[i].data4, users[i].data5);
}
void print_call_id() {
int i;
for (i=0; i<nmbr_users;i++)
printf("User %15s: %d\n", usersCALL_IDX[i].call, usersCALL_IDX[i].nr);
}
int insert_user_call_idx(user_call_idx_t table[], int index, void *call, int nr){
char *m;
if (index>=MAXUSERS) {
writelog(LOG_ERR," Maximum of %d users reached. Not adding more users.",index);
return 0;
}
m = malloc(256);
if (m==NULL) return 0;
free(m);
table[index].nr = nr;
int size;
size=strlen(call)+1;
table[index].call = malloc(size);
memcpy(table[index].call,call,size);
// writelog(LOG_DEBUG,"Inserted call [%s] = index [%d]",table[index].call,table[index].nr);
return 1;
}
int insert_user(user_t table[], int nr, void *new_data1, void *new_data2, void *new_data3, void *new_data4, void *new_data5)
{
char *m;
if (nmbr_users>=MAXUSERS) {
writelog(LOG_ERR," Maximum of %d users reached. Not adding more users.",nmbr_users);
return 0;
}
m = malloc(1024);
if (m==NULL) return 0;
free(m);
table[nmbr_users].nr = nr;
int size;
size=strlen(new_data1)+1;
table[nmbr_users].data1 = malloc(size);
memcpy(table[nmbr_users].data1,new_data1,size);
size=strlen(new_data2)+1;
table[nmbr_users].data2 = malloc(size);
memcpy(table[nmbr_users].data2,new_data2,size);
size=strlen(new_data3)+1;
table[nmbr_users].data3 = malloc(size);
memcpy(table[nmbr_users].data3,new_data3,size);
size=strlen(new_data4)+1;
table[nmbr_users].data4 = malloc(size);
memcpy(table[nmbr_users].data4,new_data4,size);
size=strlen(new_data5)+1;
table[nmbr_users].data5 = malloc(size);
memcpy(table[nmbr_users].data5,new_data5,size);
//printf("User index %5d: %d = [%s][%s][%s][%s][%s]\n", nmbr_users, table[nmbr_users].nr, table[nmbr_users].data1, table[nmbr_users].data2, table[nmbr_users].data3, table[nmbr_users].data4, table[nmbr_users].data5);
nmbr_users++;
return 1;
}
int insert_group(group_t table[], int nr, void *new_data){
char *m;
if (nmbr_groups>=MAXGROUPS) {
writelog(LOG_ERR," Maximum of %d groups reached. Not adding more groups.",nmbr_groups);
return 0;
}
m = malloc(256);
if (m==NULL) return 0;
free(m);
table[nmbr_groups].nr = nr;
int size;
size=strlen(new_data)+1;
table[nmbr_groups].name = malloc(size);
memcpy(table[nmbr_groups].name,new_data,size);
nmbr_groups++;
return 1;
}
int cmpstringp( const void* a, const void* b)
{
int int_a = * ( (int*) a );
int int_b = * ( (int*) b );
return strcmp(users[int_a].data1,users[int_b].data1);
}
void readGroups(void){
#define BUFFER_SZ 100
char fname[250];
strcpy(fname,datafiledir);
strcat(fname,groupsFile);
writelog(LOG_NOTICE," Reading groups from %s",fname);
nmbr_groups=0;
FILE* fp = fopen(fname, "rt");
if (fp == NULL) {
writelog(LOG_WARNING, " ERROR: Couldn't open the groups file %s.",fname);
return;
}
char buffer[BUFFER_SZ];
int nr;
insert_group(groups, 0, "");
while (fgets(buffer, BUFFER_SZ, fp) != NULL) {
nr=0;
char* key = strtok(buffer, " \":");
if (key == NULL) continue;
nr=atoi(key);
key = strtok(NULL, ":\"");
if (key == NULL)
continue;
key = strtok(NULL, ":\"");
if (key == NULL) continue;
// printf("Pushing %d %s \n",nr, key);fflush(NULL);
if (insert_group(groups, nr, key)==0) break;
}
fclose(fp);
writelog(LOG_NOTICE," Read %d groups.",nmbr_groups);
}
void convertStoDHMS(long int age,char * DHMS) {
int temp;
if (age>INT_MAX) age=INT_MAX;
temp=age/86400;
sprintf(DHMS,"%d days",temp);
if (temp>2) return;
temp=age/3600;
sprintf(DHMS,"%d hour",temp);
if (temp>2) return;
temp=age/60;
sprintf(DHMS,"%d min",temp);
if (temp>2) return;
sprintf(DHMS,"%d s",temp);
}
void updateDB(int age) {
struct stat attr;
char fname[250], cmd[550],text[120],tmp[100],dt[50],unit[20];
int ok;
time_t nu = time(NULL);
tmp[0]=0;
strcpy(fname,datafiledir);
strcat(fname,groupsFile);
ok=stat(fname, &attr);
if (ok!=0) {
sprintf(tmp," No Groups file found");