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#include <stdio.h> //printf(3)
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#include <stdlib.h> //exit(3)
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#include <unistd.h> //fork(3), chdir(3), sysconf(3)
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#include <signal.h> //signal(3)
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#include <sys/stat.h> //umask(3)
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#include <syslog.h> //syslog(3), openlog(3), closelog(3)
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#include <iostream>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <curl/curl.h>
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#define MAXHOSTNAME 256
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#define DESTURL "http://wttr.in/"
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#define DESTURLEND "?format=3"
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using namespace std;
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const char* offices[] = {
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"Brisbane",
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"Canberra",
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"Melbourne",
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"Perth",
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"Sydney",
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"Beijing",
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"Shanghai",
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"Shenzhen",
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"Hong Kong",
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"Bangalore",
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"New%20Delhi",
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"Kolkata",
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"Mumbai",
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"Pune",
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"Jakarta",
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"Tokyo",
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"Nagoya",
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"Osaka",
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"Fukuoka",
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"Seoul",
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"Kuala%20Lumpur",
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"Auckland",
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"Wellington",
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"Makati%20City",
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"Singapore",
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"Taipei",
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"Bangkok",
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"London",
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"Amsterdam",
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"Barcelona",
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"Berlin",
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"Brno",
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"Brussels",
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"Copenhagen",
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"Berlin",
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"Cork",
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"Dublin",
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"Düsseldorf",
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"Farnborough",
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"Frankfurt%20am%20Main",
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"Helsinki",
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"Madrid",
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"Milan",
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"Moscow",
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"Grasbrunn",
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"Neuchâtel",
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"Newcastle%20Upon%20Tyne",
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"Oslo",
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"Prague",
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"Puteaux",
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"Rome",
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"Stockholm",
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"Stuttgart",
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"Cherkasy",
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"Vienna",
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"Warsaw",
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"Waterford",
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"Zürich",
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"Dubai",
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"İstanbul",
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"Ra’anana",
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"Riyadh",
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"Sandton",
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"Buenos%20Aires",
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"Brasília",
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"Fortaleza",
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"Rio%20de%20Janeiro",
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"São%20Paulo",
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"Santiago",
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"Bogota",
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"Ciudad%20de%20México",
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"Monterrey",
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"Lima",
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"Montreal",
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"Toronto",
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"Raleigh",
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"Boston",
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"Ann%20Arbor",
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"Atlanta",
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"Washington",
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"North Charleston",
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"Charlotte",
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"Chicago",
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"San%20Francisco",
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"New%20York",
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"Dallas",
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"Denver",
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"Durham",
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"Huntsville",
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"Los%20Angeles",
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"Mahwah",
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"Minneapolis",
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"Richmond",
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"St.%20Louis",
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"Sunnyvale",
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"McLean",
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"Westford",
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NULL };
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int curlUrl( const char* myOffice, size_t myUrlLength )
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{
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std::string fullUrl;
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CURL *curl;
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CURLcode res;
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// create a URL from 2 constants and an office string
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fullUrl.append( DESTURL );
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fullUrl.append( myOffice );
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fullUrl.append( DESTURLEND );
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// make a C string of the same size and copy to it
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int fullUrlSize = fullUrl.length();
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char charFullArray[ fullUrlSize + 1 ];
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strcpy( charFullArray, fullUrl.c_str() );
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// setup curl, grab the combined URL, and clean up
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curl = curl_easy_init();
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if(curl)
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{
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curl_easy_setopt(curl, CURLOPT_URL, charFullArray);
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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return res;
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}
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int main()
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{
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int ttl=999999;
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int delay=10;
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pid_t pid = fork();
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if (pid == 0)
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{
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// child process
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openlog("testapp",LOG_PID,LOG_DAEMON);
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// iterate over the list of Red Hat offices and get the weather for each
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for ( int i=0; offices[i] != NULL; i++ )
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{
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curlUrl( ( "http://wttr.in?%sformat=3", offices[i]), sizeof( ( "http://wttr.in?%sformat=3", offices[i]) ) );
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sleep(delay);
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}
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syslog(LOG_NOTICE,"testapp child process ended");
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closelog();
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return(EXIT_SUCCESS);
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}
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if (pid > 0)
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{
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// parent process
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string filename = "/var/run/testapp.pid";
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ofstream o(filename.c_str());
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o << pid << endl;
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ifstream meminfo;
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meminfo.open("/proc/meminfo");
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meminfo.close();
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openlog("testapp",LOG_PID,LOG_DAEMON);
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/* disabling this due to startup timeout
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do
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{
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syslog(LOG_NOTICE,"daemon ttl %d",ttl);
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sleep(delay);
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ttl-=delay;
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} while ( ttl > 0 );
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syslog(LOG_NOTICE,"daemon ttl expired");*/
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syslog(LOG_NOTICE,"testapp parent process ended");
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closelog();
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return(EXIT_SUCCESS);
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}
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}
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