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/*
* Dibbler - a portable DHCPv6
*
* authors: Tomasz Mrugalski <thomson@klub.com.pl>
* Marek Senderski <msend@o2.pl>
*
* released under GNU GPL v2 only licence
*
*/
#include <signal.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "DHCPServer.h"
#include "Portable.h"
#include "Logger.h"
#include "daemon.h"
using namespace std;
TDHCPServer * ptr = 0;
/// the default working directory
std::string WORKDIR(DEFAULT_WORKDIR);
void signal_handler(int n) {
Log(Crit) << "Signal received. Shutting down." << LogEnd;
ptr->stop();
}
int status() {
pid_t pid = getServerPID();
if (pid==-1) {
cout << "Dibbler server: NOT RUNNING." << endl;
} else {
cout << "Dibbler server: RUNNING, pid=" << pid << endl;
}
int result = (pid>0)? 0: -1;
pid = getClientPID();
if (pid==-1) {
cout << "Dibbler client: NOT RUNNING." << endl;
} else {
cout << "Dibbler client: RUNNING, pid=" << pid << endl;
}
pid = getRelayPID();
if (pid==-1) {
cout << "Dibbler relay : NOT RUNNING." << endl;
} else {
cout << "Dibbler relay : RUNNING, pid=" << pid << endl;
}
return result;
}
int run() {
if (!init(SRVPID_FILE, WORKDIR.c_str())) {
die(SRVPID_FILE);
return -1;
}
TDHCPServer srv(SRVCONF_FILE);
ptr = &srv;
if (ptr->isDone()) {
die(SRVPID_FILE);
return -1;
}
// connect signals
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
ptr->run();
die(SRVPID_FILE);
return 0;
}
int help() {
cout << "Usage:" << endl;
cout << " dibbler-server ACTION" << endl
<< " ACTION = status|start|stop|run" << endl
<< " status - show status and exit" << endl
<< " start - start installed service" << endl
<< " stop - stop installed service" << endl
<< " install - Not available in Linux/Unix systems." << endl
<< " uninstall - Not available in Linux/Unix systems." << endl
<< " run - run in the console" << endl
<< " help - displays usage info." << endl;
return 0;
}
int main(int argc, char * argv[])
{
char command[256];
int result=-1;
logStart("(SERVER, Linux port)", "Server", SRVLOG_FILE);
// parse command line parameters
if (argc>1) {
int len = strlen(argv[1])+1;
if (len>255)
len = 255;
strncpy(command,argv[1],len);
} else {
memset(command,0,256);
}
if (!strncasecmp(command,"start",5) ) {
result = start(SRVPID_FILE, WORKDIR.c_str());
} else
if (!strncasecmp(command,"run",3) ) {
result = run();
} else
if (!strncasecmp(command,"stop",4)) {
result = stop(SRVPID_FILE);
} else
if (!strncasecmp(command,"status",6)) {
result = status();
} else
if (!strncasecmp(command,"help",4)) {
result = help();
} else
if (!strncasecmp(command,"install",7)) {
cout << "Function not available in Linux/Unix systems." << endl;
result = 0;
} else
if (!strncasecmp(command,"uninstall",9)) {
cout << "Function not available in Linux/Unix systems." << endl;
result = 0;
} else
{
help();
}
logEnd();
return result? EXIT_FAILURE : EXIT_SUCCESS;
}
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